CN109386977A - A kind of solar pipe descaling device - Google Patents
A kind of solar pipe descaling device Download PDFInfo
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- CN109386977A CN109386977A CN201811624493.0A CN201811624493A CN109386977A CN 109386977 A CN109386977 A CN 109386977A CN 201811624493 A CN201811624493 A CN 201811624493A CN 109386977 A CN109386977 A CN 109386977A
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- hole
- support
- nut
- stepper motor
- collector tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Cleaning By Liquid Or Steam (AREA)
Abstract
A kind of solar pipe descaling device, belongs to energy conservation and environmental protection.It is made of attemperator, sealing shroud, evacuated collector tube, bracket, cleaning device, the first lead screw, the first nut, first shaft coupling, mounting plate, the first control panel, second shaft coupling, the second nut, the second lead screw, the first stepper motor, second stepper motor, the first limit switch, third stepper motor, the 4th stepper motor and matching board.The plant automation degree is high, it can replace manually carrying out regular fixed time cleaning work to evacuated collector tube completely, not only in the case where ensureing that evacuated collector tube is not destroyed, the scale in evacuated collector tube is cleaned out as far as possible, also the scale cleaned up is collected；Being moved synchronously using the first lead screw, the first stepper motor, the first nut and the second lead screw, second stepper motor, the second nut drives entire row evacuated collector tube to move up and down, and is capable of providing enough power, ensures that the safety of evacuated collector tube is not destroyed.
Description
Technical field
The present invention relates to a kind of solar pipe descaling devices, specifically use the automatic of special construction design
Cleaning device ensures motion accuracy using three guide screw movements, belongs to energy conservation and environmental protection.
Background technique
As solar energy resources utilize continuous universal, most of family has been owned by solar water heater, but the sun
The time of energy water heater is long, a large amount of scale can be remained in solar vacuum heat-collecting pipe, if cleaning can shadow not in time
The use for ringing solar water heater influences the water quality of the hot water of heating, influences the amount of water heater heat insulation effect and heat hot water, also
It will affect the service life etc. of solar water heater.But the cleaning to the evacuated collector tube of solar water heater on the market at present
Or it is carried out using artificial, the speed not only cleaned is slow, it is necessary to the just aspect cleaning after having a large amount of scales, and also it is artificial
It cleans very inconvenient, it is easy to evacuated collector tube be damaged, wasting manpower and material resources' financial resources.
Summary of the invention
The deficiencies of inconvenient is cleaned for above-mentioned solar vacuum heat-collecting pipe, the present invention provides a kind of solar pipe water
Dirty cleaning device.
The present invention is achieved by the following technical solutions: a kind of method of solar pipe scale cleaning, this method use
Double lead-screw carries out motion transmission, in the case where ensureing that evacuated collector tube is not destroyed, evacuated collector tube collective is taken out, is passed through
Four stepping motor synchronous cooperations, evacuated collector tube is rotated, and makes the water outlet of nozzle alignment outlet pipe, using third silk
Thick stick and third nut drive outlet pipe to carry out cleaning to evacuated collector tube, and the device using this method production includes heat preservation dress
It sets, sealing shroud and evacuated collector tube, the attemperator are made of pipe mounting hole A and shell, the pipe mounting hole A
Linear uniform array is distributed in the outer surface of shell；The sealing shroud is made by elastic material, and sealing shroud passed through
The front end for being fitted to evacuated collector tube is crossed, the sealing shroud on the evacuated collector tube is mounted on heat preservation by transition fit
In the pipe mounting hole A of device；It further include bracket, cleaning device, the first lead screw, the first nut, first shaft coupling, mounting plate,
One control panel, second shaft coupling, the second nut, the second lead screw, the first stepper motor, second stepper motor, the first limit switch,
Third stepper motor, the 4th stepper motor and matching board, the attemperator are fixedly mounted on bracket, and the bracket is
By first support, the first support, the second support, second support, bottom surface connecting plate, tube support plate, the second motor installing hole and
One motor installing hole composition, first nut is mounted on the first lead screw by engaged transmission, first lead screw
It is mounted on the first support of bracket by rotation connection, the other end of the first lead screw, which is connected by key, is mounted on the first shaft coupling
On device, the axis of first stepper motor is connected by key the other end for being mounted on first shaft coupling, the first step
It is connected through a screw thread into motor in the first motor mounting hole for being mounted on bracket, second nut passes through engaged transmission installation
On the second lead screw, second lead screw is mounted on the second support of bracket by rotation connection, and the second lead screw is in addition
One end, which is connected by key, to be mounted in second shaft coupling, and the axis of the second stepper motor, which is connected by key, is mounted on second
The other end of axis device, the second stepper motor are connected through a screw thread in the second motor installing hole for being mounted on bracket, institute
The first control panel stated is connected through a screw thread rack-mount, described cleaning device and is fixedly mounted on bracket, and cleans
The first support and second support of device connecting bracket, the mounting plate be from pipe mounting hole B, first shaft hole, with baffle
With the second axis hole composition, what first nut was made of the first threaded hole and third motor installing hole, described the
Three stepper motors are connected through a screw thread in the third motor installing hole for being mounted on the first nut, and the axis of third stepper motor passes through key
Connection is mounted in the first shaft hole of mounting plate, and second nut is made of the second threaded hole and the 4th motor installing hole
, the 4th stepper motor is connected through a screw thread in the 4th motor installing hole for being mounted on the second nut, the 4th stepping electricity
The axis of machine is connected by key in the second axis hole for being mounted on mounting plate, and the matching board is by support plate, with co-clip and bolt
Mounting hole composition, matching board is connected through a screw thread linear uniform array distributing installation on the side plane of mounting plate, described
The bottom of evacuated collector tube be mounted in the pipe mounting hole B of mounting plate by clearance fit, the tube body clamping of evacuated collector tube
In matching board in co-clip, first limit switch is connected through a screw thread on the side end face for being mounted on the first nut.
A kind of solar pipe descaling device, including attemperator, sealing shroud and evacuated collector tube, the heat preservation dress
It sets and is made of pipe mounting hole A and shell, the linear uniform array of pipe mounting hole A is distributed in the outer surface of shell；
The sealing shroud is made by elastic material, and sealing shroud is mounted on the front end of evacuated collector tube by transition fit, described
Evacuated collector tube on sealing shroud be mounted in the pipe mounting hole A of attemperator by transition fit；It further include bracket, cleaning
Device, the first lead screw, the first nut, first shaft coupling, mounting plate, the first control panel, second shaft coupling, the second nut, second
Lead screw, the first stepper motor, second stepper motor, the first limit switch, third stepper motor, the 4th stepper motor and cooperation
Plate, the attemperator are fixedly mounted on bracket, and the bracket is by first support, the first support, the second support,
What two brackets, bottom surface connecting plate, tube support plate, the second motor installing hole and first motor mounting hole formed, first spiral shell
Mother is mounted on the first lead screw by engaged transmission, and first lead screw is mounted on the first support of bracket by rotation connection
On, the other end of the first lead screw, which is connected by key, to be mounted in first shaft coupling, and the axis of first stepper motor passes through
Key connection is mounted on the other end of first shaft coupling, and first stepper motor, which is connected through a screw thread, is mounted on the of bracket
In one motor installing hole, second nut is mounted on the second lead screw by engaged transmission, and second lead screw passes through
Rotation connection is mounted on the second support of bracket, and the other end of the second lead screw, which is connected by key, is mounted on second shaft coupling
On, the axis of the second stepper motor is connected by key the other end for being mounted on second shaft coupling, second stepping
Motor is connected through a screw thread in the second motor installing hole for being mounted on bracket, and first control panel is connected through a screw thread installation
On bracket, the cleaning device is fixedly mounted on bracket, and the first support of cleaning device connecting bracket and second
Frame, the mounting plate be from pipe mounting hole B, first shaft hole, with baffle and the second axis hole form, first nut
It is made of the first threaded hole and third motor installing hole, the third stepper motor, which is connected through a screw thread, is mounted on first
In the third motor installing hole of nut, the axis of third stepper motor is connected by key in the first shaft hole for being mounted on mounting plate, institute
The second nut stated is made of the second threaded hole and the 4th motor installing hole, and the 4th stepper motor is connected by screw thread
It connects in the 4th motor installing hole for being mounted on the second nut, the axis of the 4th stepper motor, which is connected by key, is mounted on the of mounting plate
In two axis holes, what the matching board was formed by support plate, with co-clip and bolt mounting holes, matching board is connected through a screw thread into
Linear homogeneous array distribution is mounted on the side plane of mounting plate, and the bottom of the evacuated collector tube is installed by clearance fit
In the pipe mounting hole B of mounting plate, the tube body of evacuated collector tube be clamped in matching board in co-clip, first limit is opened
Pass is connected through a screw thread on the side end face for being mounted on the first nut
The bracket is by first support, the first support, the second support, second support, bottom surface connecting plate, pipe support
What plate, the second motor installing hole and first motor mounting hole formed, there is cooperation through-hole on first support, the first support is solid
Dingan County is mounted in the medial surface of first support, has cooperation through-hole on second support, the second support is fixedly mounted on second
The medial surface of frame, the first support and second support are beveled end at triangle, the upper surface of the tube support plate
Face, tube support plate are fixedly connected in first support and second support, and the bottom surface connecting plate is fixedly connected on first support
With the bottom surface of second support, the first motor mounting hole and the second motor installing hole are located at the two of bottom surface connecting plate
End.
The cleaning device is by the second control panel, hose, small sized high-pressure water pump, the 5th stepper motor, third shaft coupling
Device, the second limit switch, third nut, collecting box, third lead screw, third limit switch, third support, the 4th support, water outlet
What pipe and attachment base formed, there are evenly distributed through-hole on the front-back of the collecting box, second control panel is logical
The side for being threadedly coupled and being mounted on collecting box is crossed, the small sized high-pressure water pump is connected through a screw thread the side for being mounted on collecting box
Face, the 5th stepper motor, which is connected through a screw thread, to be mounted on the 4th support, and one end of the third lead screw is by turning
Dynamic connection is mounted on third support, and the other end of third lead screw is connected by key the one end for being mounted on third shaft coupling, the
The axis of five stepper motors is connected by key the other end for being mounted on third shaft coupling, the used engaged transmission of the third nut
Connection is mounted on third lead screw, and the bottom of third nut can be slided on the upper surface of collecting box, second limit
Bit switch and third limit switch are connected through a screw thread on the upper surface for being mounted on collecting box, and the attachment base is fixedly mounted on
On the side end face of third nut, the hose is connected on small sized high-pressure water pump, and one end of hose is connected to attachment base, described
Outlet pipe be made by metal material, and flexible deformation, outlet pipe, which is connected through a screw thread, to be mounted on attachment base.
The mounting plate be from pipe mounting hole B, first shaft hole, with baffle and the second axis hole form, described
One axis hole and the second axis hole are symmetrically distributed in the both ends of the surface middle position of mounting plate, and the pipe mounting hole B is linear uniformly
Array distribution is in the side end face of mounting plate, and the pipe bottom mounting hole B is hemisphere face, resilient material production inside pipe mounting hole B
It forms, the cooperation baffle at inverted l shape and is fixedly mounted on the end face of mounting plate.
What the matching board was formed by support plate, with co-clip and bolt mounting holes, described is located at support with co-clip
One end of plate, bolt mounting holes are at uniform circular array distribution in the other end of support plate.
Described matching has cylindrical hole in co-clip, and the circle of cylindrical hole viewed from above is greater than semicircle, circular diameter
It is equal with the overall diameter of evacuated collector tube.
The evacuated collector tube is mounted on mounting plate and matching board, and the sealing shroud on evacuated collector tube passes through transition
When being fitted in the pipe mounting hole A of attemperator, the cylinder axis of pipe mounting hole A, pipe mounting hole B cylinder axis, match
The axis of the axis of cylindrical hole in co-clip and evacuated collector tube is point-blank.
The first fiber switch, which is connected through a screw thread, to be mounted on the first nut, and the cooperation baffle is at inverted L-shaped
It shape and is fixedly mounted on the end face of mounting plate, is mounted on pipe mounting hole B in evacuated collector tube and in co-clip and vacuum heat-collecting
When sealing shroud on pipe is mounted on pipe mounting hole A, cooperation baffle can press the fluctuation piece of the first limit switch, true in cleaning
When empty set heat pipe, cooperation baffle is detached from the fluctuation piece of the first limit switch；Second limit switch and third limit switch
It is connected through a screw thread on the upper surface for being mounted on collecting box, the size and entire row among the second limit switch and third limit switch
The width of evacuated collector tube is identical plus the size of the sum of the width of third nut, and when third nut contacts the second fiber switch
When, the water outlet of outlet pipe can face the nozzle of the evacuated collector tube of the extreme side.
First nut is made of the first threaded hole and third motor installing hole, and the first threaded hole is through-hole spiral shell
Pit, and passed through from the top of the first nut, third motor installing hole is located at the side of the first nut；Second nut is by second
What threaded hole and the 4th motor installing hole formed, the second threaded hole is through hole whorl hole, and is passed through from the top of the second nut, the
Four motor installing holes are located at the side of the second nut.
The usefulness of the invention is, the plant automation degree is high, can replace completely manually to solar pipe, that is, true
Empty set heat pipe carries out regular fixed time cleaning work, not only in the case where ensureing that evacuated collector tube is not destroyed, as far as possible will
Scale in evacuated collector tube is cleaned out, and is also collected to the scale cleaned up, and the destruction to environment is avoided；Using
One lead screw, the first stepper motor, the first nut and the second lead screw, second stepper motor, the second nut move synchronously drive entire row
Evacuated collector tube moves up and down, and has not only ensured the precision of movement, but also is capable of providing enough power, ensures vacuum
The safety of thermal-collecting tube is not destroyed；Entire row evacuated collector tube is done in order to ensure using third stepper motor and the 4th stepper motor
The precision of rotary motion, but also it is capable of providing enough power, ensure that the safety of evacuated collector tube is not destroyed；Due to water outlet
Pipe is made by metal material, and flexible deformation, so when installing outlet pipe debugging apparatus, it can be according to practical feelings
The opening for the evacuated collector tube that condition rotates the water outlet alignment of outlet pipe, facilitates carry out cleaning；Tube support plate is not
It only can connect first support and second support, and can also play the role of supporting entire row evacuated collector tube；Due to co-clip,
Pipe mounting hole B and sealing shroud are all that resilient material is made, therefore can be very good that evacuated collector tube is protected not to be destroyed；
There is cylindrical hole in co-clip due to matching, and the circle of cylindrical hole viewed from above is greater than semicircle, circular diameter and vacuum heat-collecting
The overall diameter of pipe is equal, is not damaged so not only can protect evacuated collector tube with co-clip, but also can also be by evacuated collector tube
It clamps, ensures that evacuated collector tube is not fallen off during the motion；On collecting box there are through-holes, not only can be to cleaning up
Scale is collected and can also come out the moisture filter in scale；First limit switch and cooperation baffle use, be for
The rotational angle of detection evacuated collector tube, the evacuated collector tube after ensureing cleaning can be installed accurately in return pipe mounting hole A；
The width of size and entire row evacuated collector tube among second limit switch and third limit switch adds the width of third nut
The sum of size it is identical, and when third nut contact the second fiber switch when, the water outlet of outlet pipe can face the extreme side
Evacuated collector tube nozzle, be in order to every time cleaning evacuated collector tube during, to the 5th stepper motor one calibration
Position ensures the kinematic accuracy of each the 5th stepper motor of cleaning process, reduces prolonged cumulative errors.
Fig. 1 is whole installation diagram of the invention；
Fig. 2 is assembly motion state display diagram one of the invention；
Fig. 3 is assembly motion state display diagram two of the invention；
Fig. 4 is assembly motion state display diagram three of the invention；
Fig. 5 is assembly motion state display diagram four of the invention；
Fig. 6 is outer framework display diagram of the invention；
Fig. 7 is assembly backsight display diagram one of the invention；
Fig. 8 is A of the invention to partial enlargement diagram；
Fig. 9 is assembly backsight display diagram two of the invention；
Figure 10 is B of the invention to partial enlargement diagram；
Figure 11 is combination unit explosive view；
Figure 12 is the first nut schematic diagram；
Figure 13 is the second nut schematic diagram；
Figure 14 is matching piece top view；
Figure 15 is matching piece display diagram one；
Figure 16 is matching piece display diagram two；
Figure 17 is third nut assembly schematic diagram；
Figure 18 is the first control panel circuit diagram；
Figure 19 is the second control panel circuit diagram.
In figure, 1, attemperator, 101, shell, 102, pipe mounting hole A, 2, bracket, 201, first support, 202, first
Seat, the 203, second support, 204, second support, 205, bottom surface connecting plate, 206, tube support plate, the 207, second motor installing hole,
208, first motor mounting hole, 3, cleaning device, the 301, second control panel, 302, hose, 303, small sized high-pressure water pump, 304,
Five stepper motors, 305, third shaft coupling, the 306, second limit switch, 307, third nut, 308, collecting box, 309, third silk
Thick stick, 3010, third limit switch, 3011 third supports, the 3012, the 4th support, 3013, outlet pipe, 3014, attachment base, 4,
One lead screw, the 5, first nut, the 501, first threaded hole, 502, third motor installing hole, 6, first shaft coupling, 7, mounting plate,
701, pipe mounting hole B, 702, first shaft hole, 703, cooperation baffle, the 704, second axis hole, the 8, first control panel, the 9, second shaft coupling
Device, the 10, second nut, the 1001, second threaded hole, the 1002, the 4th motor installing hole, the 11, second lead screw, 12, evacuated collector tube,
13, sealing shroud, the 14, first stepper motor, 15, second stepper motor, the 16, first limit switch, 17, third stepper motor, 18,
4th stepper motor, 19, matching board, 1901, support plate, 1902, match co-clip, 1903, bolt mounting holes.
Specific embodiment
A kind of method of solar pipe scale cleaning, this method carry out motion transmission using double lead-screw, are ensureing vacuum collection
In the case that heat pipe 12 is not destroyed, 12 collective of evacuated collector tube is taken out, is cooperated by four stepping motor synchronous, by vacuum
Thermal-collecting tube 12 is rotated, and makes the water outlet of nozzle alignment outlet pipe 3013, using 307 band of third lead screw 309 and third nut
Dynamic outlet pipe 3013 carries out cleaning to evacuated collector tube 12, includes attemperator 1, sealing using the device that this method makes
Set 13 and evacuated collector tube 12, the attemperator 1 are made of pipe mounting hole A102 and shell 101, the Guan An
The dress linear uniform array of hole A102 is distributed in the outer surface of shell 101；The sealing shroud 13 is made by elastic material,
Such as silica gel, rubber sealing material, sealing shroud 13 are mounted on the front end of evacuated collector tube 12, the vacuum by transition fit
Sealing shroud 13 on thermal-collecting tube 12 is mounted in the pipe mounting hole A102 of attemperator 1 by transition fit；Further include bracket 2,
Cleaning device 3, the first lead screw 4, the first nut 5, first shaft coupling 6, mounting plate 7, the first control panel 8, second shaft coupling 9,
Two nuts 10, the second lead screw 11, the first stepper motor 14, second stepper motor 15, the first limit switch 16, third stepper motor
17, the 4th stepper motor 18 and matching board 19, the attemperator 1 are fixedly mounted on bracket 2, the bracket 2 be by
First support 201, the first support 202, the second support 203, second support 204, bottom surface connecting plate 205, tube support plate 206,
What two motor installing holes 207 and first motor mounting hole 208 formed, first nut 5 is mounted on the by engaged transmission
On one lead screw 4, first lead screw 4 by rotation connection is mounted on the first support 202 of bracket 2, the first lead screw 4 it is another
Outer one end, which is connected by key, to be mounted in first shaft coupling 6, and the axis of first stepper motor 14, which is connected by key, to be mounted on
The other end of first shaft coupling 6, first stepper motor 14 are connected through a screw thread the first motor peace for being mounted on bracket 2
It fills in hole 208, second nut 10 is mounted on the second lead screw 11 by engaged transmission, and second lead screw 11 passes through
Rotation connection is mounted on the second support 203 of bracket 2, and the other end of the second lead screw 11, which is connected by key, is mounted on second
On axis device 9, the axis of the second stepper motor 15 is connected by key the other end for being mounted on second shaft coupling 9, described
Second stepper motor 15 is connected through a screw thread in the second motor installing hole 207 for being mounted on bracket 2, first control panel 8
It is connected through a screw thread and is mounted on bracket 2, the cleaning device 3 is fixedly mounted on bracket 2, and the connection branch of cleaning device 3
The first support 201 and second support 204 of frame 2, the mounting plate 7 be from pipe mounting hole B701, first shaft hole 702, with
What baffle 703 and the second axis hole 704 formed, first nut 5 is by the first threaded hole 501 and third motor installing hole
502 compositions, the third stepper motor 17 is connected through a screw thread the third motor installing hole 502 for being mounted on the first nut 5
In, the axis of third stepper motor 17 is connected by key in the first shaft hole 702 for being mounted on mounting plate 7, second nut 10
It is made of the second threaded hole 1001 and the 4th motor installing hole 1002, the 4th stepper motor 18 is connected through a screw thread
It is mounted in the 4th motor installing hole 1002 of the second nut 10, the axis of the 4th stepper motor 18, which is connected by key, is mounted on installation
In second axis hole 704 of plate 7, the matching board 19 is by support plate 1901, with co-clip 1902 and 1903 groups of bolt mounting holes
At, matching board 19 is connected through a screw thread linear uniform array distributing installation on the side plane of mounting plate 7, the vacuum
The bottom of thermal-collecting tube 12 is mounted in the pipe mounting hole B701 of mounting plate 7 by clearance fit, the tube body folder of evacuated collector tube 12
It holds in matching board 19 in co-clip 1902, first limit switch 16, which is connected through a screw thread, is mounted on the first nut 5
On side end face.
A kind of solar pipe descaling device, including attemperator 1, sealing shroud 13 and evacuated collector tube 12, it is described
Attemperator 1 is made of pipe mounting hole A102 and shell 101, the linear uniform array distribution of the pipe mounting hole A102
In the outer surface of shell 101；The sealing shroud 13 is made by elastic material, such as silica gel, rubber sealing material, sealing
Set 13 is mounted on the front end of evacuated collector tube 12 by transition fit, and the sealing shroud 13 on the evacuated collector tube 12 passed through
It crosses and is fitted in the pipe mounting hole A102 of attemperator 1；It further include bracket 2, cleaning device 3, the first lead screw 4, the first spiral shell
Female 5, first shaft coupling 6, mounting plate 7, the first control panel 8, second shaft coupling 9, the second nut 10, the second lead screw 11, the first step
Into motor 14, second stepper motor 15, the first limit switch 16, third stepper motor 17, the 4th stepper motor 18 and matching board
19, the attemperator 1 is fixedly mounted on bracket 2, and the bracket 2 is by first support 201, the first support 202,
Two supports 203, second support 204, bottom surface connecting plate 205, tube support plate 206, the second motor installing hole 207 and first motor peace
Fill what hole 208 formed, first nut 5 is mounted on the first lead screw 4 by engaged transmission, and first lead screw 4 is logical
It crosses rotation connection to be mounted on the first support 202 of bracket 2, the other end of the first lead screw 4, which is connected by key, is mounted on first
On shaft coupling 6, the axis of first stepper motor 14 is connected by key the other end for being mounted on first shaft coupling 6, described
The first stepper motor 14 be connected through a screw thread in the first motor mounting hole 208 for being mounted on bracket 2, second nut 10
It is mounted on the second lead screw 11 by engaged transmission, second lead screw 11 is mounted on the second of bracket 2 by rotation connection
On support 203, the other end of the second lead screw 11, which is connected by key, to be mounted in second shaft coupling 9, the second stepping electricity
The axis of machine 15 is connected by key the other end for being mounted on second shaft coupling 9, and the second stepper motor 15 is connected by screw thread
It connects in the second motor installing hole 207 for being mounted on bracket 2, first control panel 8, which is connected through a screw thread, is mounted on bracket 2
On, the cleaning device 3 is fixedly mounted on bracket 2, and the first support 201 of 3 connecting bracket 2 of cleaning device and second
Frame 204, the mounting plate 7 be from pipe mounting hole B701, first shaft hole 702, with baffle 703 and the second axis hole 704 form
, what first nut 5 was made of the first threaded hole 501 and third motor installing hole 502, the third stepping electricity
Machine 17 is connected through a screw thread in the third motor installing hole 502 for being mounted on the first nut 5, and the axis of third stepper motor 17 passes through key
Connection is mounted in the first shaft hole 702 of mounting plate 7, and second nut 10 is by the second threaded hole 1001 and the 4th motor
What mounting hole 1002 formed, the 4th stepper motor 18 is connected through a screw thread the 4th motor peace for being mounted on the second nut 10
It fills in hole 1002, the axis of the 4th stepper motor 18 is connected by key in the second axis hole 704 for being mounted on mounting plate 7, and described matches
What plywood 19 was formed by support plate 1901, with co-clip 1902 and bolt mounting holes 1903, matching board 19 is connected through a screw thread into
Linear homogeneous array distribution is mounted on the side plane of mounting plate 7, and the bottom of the evacuated collector tube 12 passes through clearance fit
Be mounted in the pipe mounting hole B701 of mounting plate 7, the tube body of evacuated collector tube 12 be clamped in matching board 19 in co-clip 1902,
First limit switch 16 is connected through a screw thread on the side end face for being mounted on the first nut 5
The bracket 2 is connected by first support 201, the first support 202, the second support 203, second support 204, bottom surface
What fishplate bar 205, tube support plate 206, the second motor installing hole 207 and first motor mounting hole 208 formed, first support
There is cooperation through-hole on 202, the first support 202 is fixedly mounted on the medial surface of first support 201, on second support 203
There is a cooperation through-hole, the second support 203 is fixedly mounted on the medial surface of second support 204, the first support 201 and second
Frame 204 is at triangle, and the upper surface of the tube support plate 206 is inclined end face, and tube support plate 206 is fixedly connected on first
On bracket 201 and second support 204, the bottom surface connecting plate 205 is fixedly connected on first support 201 and second support 204
Bottom surface, the first motor mounting hole 208 and the second motor installing hole 207 are located at the both ends of bottom surface connecting plate 205.
The cleaning device 3 is by the second control panel 301, hose 302, small sized high-pressure water pump 303, the 5th stepper motor
304, third shaft coupling 305, the second limit switch 306, third nut 307, collecting box 308, third lead screw 309, third limit
What switch 3010, third support 3011, the 4th support 3012, outlet pipe 3013 and attachment base 3014 formed, the collecting box
There are evenly distributed through-hole on 308 front-back, second control panel 301, which is connected through a screw thread, is mounted on collecting box
308 side, the small sized high-pressure water pump 303 are connected through a screw thread the side for being mounted on collecting box 308, the 5th step
It is connected through a screw thread and is mounted on the 4th support 3012 into motor 304, one end of the third lead screw 309 passes through rotation connection
It is mounted on third support 3011, the other end of third lead screw 309, which is connected by key, is mounted on the one of third shaft coupling 305
End, the axis of the 5th stepper motor 304 are connected by key the other end for being mounted on third shaft coupling 305, the third nut
307 used are connected by meshing transmission are mounted on third lead screw 309, and the bottom of third nut 307 can be in the upper of collecting box 308
It is slided on end face, second limit switch 306 and third limit switch 3010 are connected through a screw thread and are mounted on collecting box 308
Upper surface on, the attachment base 3014 is fixedly mounted on the side end face of third nut 307, and the hose 302 connects
On small sized high-pressure water pump 303, one end of hose 302 is connected to attachment base 3014, and the outlet pipe 3013 is by metal material
It is made, such as stainless steel, and flexible deformation, outlet pipe 3013, which is connected through a screw thread, to be mounted on attachment base 3014.
The mounting plate 7 be from pipe mounting hole B701, first shaft hole 702, with 704 groups of baffle 703 and the second axis hole
At, the first shaft hole 702 and the second axis hole 704 is symmetrically distributed in the both ends of the surface middle position of mounting plate 7, described
The linear uniform array of pipe mounting hole B701 is distributed in the side end face of mounting plate 7, and the pipe bottom mounting hole B701 is hemisphere face, pipe
Resilient material is made inside mounting hole B701, such as silica gel, rubber, and the cooperation baffle 703 is at inverted l shape and consolidates
Dingan County is on the end face of mounting plate 7.
What the matching board 19 was formed by support plate 1901, with co-clip 1902 and bolt mounting holes 1903, it is described
It is located at one end of support plate 1901 with co-clip 1902, bolt mounting holes 1903 are at uniform circular array distribution in support plate 1901
In other end.
Described matching has cylindrical hole in co-clip 1902, and the circle of cylindrical hole viewed from above is greater than semicircle, circular
The overall diameter of diameter and evacuated collector tube 12 is equal.
The evacuated collector tube 12 is mounted on mounting plate 7 and matching board 19, and the sealing shroud on evacuated collector tube 12
13 by transition fit when being mounted in the pipe mounting hole A102 of attemperator 1, the cylinder axis of pipe mounting hole A102, pipe installation
The axis of the cylinder axis of hole B701, the axis with the cylindrical hole in co-clip 1902 and evacuated collector tube 12 is in straight line
On.
The first fiber switch 16, which is connected through a screw thread, to be mounted on the first nut 5, the cooperation baffle 703 at
It inverted l shape and is fixedly mounted on the end face of mounting plate 7, is mounted on pipe mounting hole B701 in evacuated collector tube 12 and with co-clip
When sealing shroud 13 in 1902 and on evacuated collector tube 12 is mounted on pipe mounting hole A102, cooperation baffle 703 can press the
The fluctuation piece of one limit switch 16, when cleaning evacuated collector tube 12, cooperation baffle 703 is detached from the fluctuation of the first limit switch 16
Piece；Second limit switch 306 and third limit switch 3010 are connected through a screw thread the upper surface for being mounted on collecting box 308
On, the width of size and entire row evacuated collector tube 12 among the second limit switch 306 and third limit switch 3010 is plus the
The size of the sum of the width of three nuts 307 is identical, and when third nut 307 contacts the second fiber switch 306, outlet pipe 3013
Water outlet can face the extreme side evacuated collector tube 12 nozzle.
What first nut 5 was made of the first threaded hole 501 and third motor installing hole 502, the first threaded hole
501 be through hole whorl hole, and is passed through from the top of the first nut 5, and third motor installing hole 502 is located at the side of the first nut 5；
Second nut 10 is made of the second threaded hole 1001 and the 4th motor installing hole 1002, and the second threaded hole 1001 is through-hole spiral shell
Pit, and passed through from the top of the second nut 10, the 4th motor installing hole 1002 is located at the side of the second nut 10.Support plate
1901
After the completion of the device installation and debugging, hose 302 is connected on the water pipe of connection solar water heater, when solar energy needs
When cleaning the scale in evacuated collector tube 12, or reach cleaning scale time when, first stop to solar water supply,
Start the first stepper motor 14 and second stepper motor 15 synchronizes rotation, drives the first nut 5 and the second nut 10 simultaneously
It moves downward, the first nut 5 and the second nut 10 will drive the entire row vacuum on mounting plate 7 and matching board 19 and matching board 19
Thermal-collecting tube 12 moves downward, and entire row evacuated collector tube 12 is extracted from attemperator 1, further 17 He of third stepper motor
4th stepper motor 18 rotates synchronously, and drives the entire row evacuated collector tube 12 on mounting plate 7 and matching board 19 and matching board 19
Rotate down, at the same the first stepper motor 14 and second stepper motor 15 rotate synchronously drive mounting plate 7 and matching board 19 and
Entire row evacuated collector tube 12 on matching board 19 moves upwards, i.e. the first stepper motor 14, second stepper motor 15, third stepping
18 collective effect of motor 17 and the 4th stepper motor drives entire row evacuated collector tube 12 to do downward and rotary motion simultaneously, when such as
When the nozzle of the nozzle alignment outlet pipe 3013 of entire row evacuated collector tube shown in Fig. 4 12, the first stepper motor 14, the second stepping electricity
Machine 15, third stepper motor 17 and the 4th stepper motor 18 stop operating, and further small sized high-pressure water pump 303 is by hose 302
In water be forced through outlet pipe 3013 and spray to inside evacuated collector tube 12, scale in evacuated collector tube 12 is cleaned, water
Dirt can slide into collecting box 308 along evacuated collector tube 12, when having cleared up first evacuated collector tube 12, small sized high-pressure water pump
303 shut down, and further 5th stepper motor 304 rotation drives third nut 307 to move forward, when outlet pipe 3013
Water outlet when being directed at the opening of next evacuated collector tube 12, the 5th stepper motor 304 stops operating, small sized high-pressure water pump
303 start running, and continue to clean second evacuated collector tube 12, repeat above-mentioned cleaning, last until having cleaned
One evacuated collector tube 12 and third nut 307 touch third limit switch 3010, after the completion of entire cleaning work, the 5th step
Into 304 antiport of motor, third nut 307 is sent back to initial position, i.e., when third nut 307 back moves, touch
When the second limit switch 306, the 5th stepper motor 304 stops operating, and third nut 307 returns to initial position；Further
It is whole on three stepper motors 17 and the 4th stepper motor 18 synchronous rotation, drive mounting plate 7 and matching board 19 and matching board 19
Vacuum pumping thermal-collecting tube 12 is rotated up, while the first stepper motor 14 and second stepper motor 15 rotate synchronously and drive mounting plate 7
It is moved downward with the entire row evacuated collector tube 12 on matching board 19 and matching board 19, reaches position as shown in Figure 2, third stepping
Motor 17 and the 4th stepper motor 18 stop operating, and the first stepper motor 14 and second stepper motor 15 rotate synchronously and drive installation
Entire row evacuated collector tube 12 on plate 7 and matching board 19 and matching board 19 moves upwards, again by entire row evacuated collector tube 12
It is inserted into attemperator 1, then the first stepper motor 14 and second stepper motor 15 stop operating, and the water supply for opening solar energy is opened
It closes, single solar pipe cleaning at this time is completed.
It is as shown in figure 18 the circuit diagram of the first control panel of the device of the invention 8, the first control panel 8 uses MCS-51
Single-chip microcontroller is as control core, using ULN2003A as the first stepper motor 14, second stepper motor 15, third stepper motor
17 and 18 driver of the 4th stepper motor, the first stepper motor 14, second stepper motor 15, third stepper motor 17 and the 4th step
Into motor 18 using the stepper motor of east motor brand PKP series.
It is as shown in figure 19 the circuit diagram of the second control panel of the device of the invention 301, the second control panel 301 uses
MCS-51 single-chip microcontroller is as control core, using ULN2003A as 304 driver of the 5th stepper motor, the 5th stepper motor
304 use the stepper motor of east motor brand PKP series, using the small sized high-pressure water pump 303 of SURGEFLO brand.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of method of solar pipe scale cleaning, it is characterised in that: this method carries out motion transmission using double lead-screw, is protecting
In the case that barrier evacuated collector tube is not destroyed, evacuated collector tube collective is taken out, is cooperated by four stepping motor synchronous, it will
Evacuated collector tube is rotated, and the water outlet of nozzle alignment outlet pipe is made, and drives outlet pipe using third lead screw and third nut
Cleaning is carried out to evacuated collector tube, includes attemperator, sealing shroud and evacuated collector tube using the device that this method makes,
The attemperator is made of pipe mounting hole A and shell, and the linear uniform array of pipe mounting hole A is distributed in outer
The outer surface of shell；The sealing shroud is made by elastic material, and sealing shroud is mounted on evacuated collector tube by transition fit
Front end, the sealing shroud on the evacuated collector tube is mounted in the pipe mounting hole A of attemperator by transition fit；Also wrap
Include bracket, cleaning device, the first lead screw, the first nut, first shaft coupling, mounting plate, the first control panel, second shaft coupling,
Two nuts, the second lead screw, the first stepper motor, second stepper motor, the first limit switch, third stepper motor, the 4th stepping
Motor and matching board, the attemperator are fixedly mounted on bracket, the bracket be by first support, the first support,
What the second support, second support, bottom surface connecting plate, tube support plate, the second motor installing hole and first motor mounting hole formed, institute
The first nut stated is mounted on the first lead screw by engaged transmission, and first lead screw is mounted on bracket by rotation connection
The first support on, the other end of the first lead screw, which is connected by key, to be mounted in first shaft coupling, the described first stepping electricity
The axis of machine is connected by key the other end for being mounted on first shaft coupling, and first stepper motor is connected through a screw thread installation
In the first motor mounting hole of bracket, second nut is mounted on the second lead screw by engaged transmission, and described the
Two lead screws are mounted on the second support of bracket by rotation connection, and the other end of the second lead screw, which is connected by key, is mounted on the
On two shaft couplings, the axis of the second stepper motor is connected by key the other end for being mounted on second shaft coupling, described
Second stepper motor is connected through a screw thread in the second motor installing hole for being mounted on bracket, and first control panel passes through screw thread
It connects rack-mount, described cleaning device to be fixedly mounted on bracket, and the first support of cleaning device connecting bracket
And second support, the mounting plate be from pipe mounting hole B, first shaft hole, with baffle and the second axis hole form, it is described
First nut is made of the first threaded hole and third motor installing hole, and the third stepper motor is connected through a screw thread peace
In the third motor installing hole of the first nut, the axis of third stepper motor is connected by key the first axle for being mounted on mounting plate
Kong Zhong, second nut are made of the second threaded hole and the 4th motor installing hole, and the 4th stepper motor is logical
It crosses threaded connection to be mounted in the 4th motor installing hole of the second nut, the axis of the 4th stepper motor, which is connected by key, to be mounted on
In second axis hole of loading board, what the matching board was formed by support plate, with co-clip and bolt mounting holes, matching board passes through spiral shell
Line connects into linear homogeneous array distribution and is mounted on the side plane of mounting plate, and the bottom of the evacuated collector tube passes through gap
Be fitted in the pipe mounting hole B of mounting plate, the tube body of evacuated collector tube be clamped in matching board in co-clip, described the
One limit switch is connected through a screw thread on the side end face for being mounted on the first nut.
2. a kind of solar pipe descaling device, including attemperator, sealing shroud and evacuated collector tube, the attemperator
It is made of pipe mounting hole A and shell, the linear uniform array of pipe mounting hole A is distributed in the outer surface of shell；Institute
The sealing shroud stated is made by elastic material, and sealing shroud is mounted on the front end of evacuated collector tube by transition fit, described
Sealing shroud on evacuated collector tube is mounted in the pipe mounting hole A of attemperator by transition fit；It is characterized by also including
Bracket, cleaning device, the first lead screw, the first nut, first shaft coupling, mounting plate, the first control panel, second shaft coupling, second
Nut, the second lead screw, the first stepper motor, second stepper motor, the first limit switch, third stepper motor, the 4th stepping electricity
Machine and matching board, the attemperator are fixedly mounted on bracket, and the bracket is by first support, the first support,
What two supports, second support, bottom surface connecting plate, tube support plate, the second motor installing hole and first motor mounting hole formed, it is described
The first nut by engaged transmission be mounted on the first lead screw, first lead screw by rotation connection is mounted on bracket
On first support, the other end of the first lead screw, which is connected by key, to be mounted in first shaft coupling, first stepper motor
Axis be connected by key the other end for being mounted on first shaft coupling, first stepper motor, which is connected through a screw thread, to be mounted on
In the first motor mounting hole of bracket, second nut is mounted on the second lead screw by engaged transmission, and described second
Lead screw is mounted on the second support of bracket by rotation connection, and the other end of the second lead screw, which is connected by key, is mounted on second
On shaft coupling, the axis of the second stepper motor is connected by key the other end for being mounted on second shaft coupling, and described
Two stepping motor is connected through a screw thread in the second motor installing hole for being mounted on bracket, and first control panel is connected by screw thread
Rack-mount, described cleaning device is connect to be fixedly mounted on bracket, and the first support of cleaning device connecting bracket and
Second support, the mounting plate be from pipe mounting hole B, first shaft hole, with baffle and the second axis hole form, described
One nut is made of the first threaded hole and third motor installing hole, and the third stepper motor is connected through a screw thread installation
In the third motor installing hole of the first nut, the axis of third stepper motor is connected by key the first shaft hole for being mounted on mounting plate
In, second nut is made of the second threaded hole and the 4th motor installing hole, and the 4th stepper motor passes through
Threaded connection is mounted in the 4th motor installing hole of the second nut, and the axis of the 4th stepper motor, which is connected by key, is mounted on installation
In second axis hole of plate, what the matching board was formed by support plate, with co-clip and bolt mounting holes, matching board passes through screw thread
It connects into linear homogeneous array distribution to be mounted on the side plane of mounting plate, the bottom of the evacuated collector tube is matched by gap
Conjunction is mounted in the pipe mounting hole B of mounting plate, the tube body of evacuated collector tube be clamped in matching board in co-clip, described first
Limit switch is connected through a screw thread on the side end face for being mounted on the first nut.
3. a kind of solar pipe descaling device as claimed in claim 2, it is characterised in that: the bracket is by first
Bracket, the first support, the second support, second support, bottom surface connecting plate, tube support plate, the second motor installing hole and first motor
Mounting hole composition, there is cooperation through-hole on first support, the first support is fixedly mounted on the medial surface of first support, institute
Have cooperation through-hole on the second support stated, the second support is fixedly mounted on the medial surface of second support, the first support and
Second support is at triangle, and the upper surface of the tube support plate is inclined end face, and tube support plate is fixedly connected on first
On frame and second support, the bottom surface connecting plate is fixedly connected on the bottom surface of first support and second support, and described first
Motor installing hole and the second motor installing hole are located at the both ends of bottom surface connecting plate.
4. a kind of solar pipe descaling device as claimed in claim 2, it is characterised in that: the cleaning device be by
Second control panel, small sized high-pressure water pump, the 5th stepper motor, third shaft coupling, the second limit switch, third nut, is received hose
What header, third lead screw, third limit switch, third support, the 4th support, outlet pipe and attachment base formed, the collection
There are evenly distributed through-hole on the front-back of case, second control panel is connected through a screw thread the side for being mounted on collecting box
Face, the small sized high-pressure water pump are connected through a screw thread the side for being mounted on collecting box, and the 5th stepper motor passes through spiral shell
Line connection is mounted on the 4th support, and one end of the third lead screw is mounted on third support by rotation connection, third
The other end of lead screw is connected by key the one end for being mounted on third shaft coupling, and the axis of the 5th stepper motor is connected by key installation
In the other end of third shaft coupling, used be connected by meshing transmission of the third nut is mounted on third lead screw, and third
The bottom of nut can be slided on the upper surface of collecting box, and second limit switch and third limit switch pass through screw thread
Connection is mounted on the upper surface of collecting box, and the attachment base is fixedly mounted on the side end face of third nut, and described is soft
Pipe is connected on small sized high-pressure water pump, and one end of hose is connected to attachment base, and the outlet pipe is made by metal material,
And flexible deformation, outlet pipe, which is connected through a screw thread, to be mounted on attachment base.
5. a kind of solar pipe descaling device as claimed in claim 2, it is characterised in that: the mounting plate is by pipe
What mounting hole B, first shaft hole, cooperation baffle and the second axis hole formed, the first shaft hole and the second axis hole is symmetrically distributed
In the both ends of the surface middle position of mounting plate, the linear uniform array of pipe mounting hole B is distributed in the side end face of mounting plate, and
The pipe bottom mounting hole B is hemisphere face, and resilient material is made inside pipe mounting hole B, and the cooperation baffle is at inverted l shape
And it is fixedly mounted on the end face of mounting plate.
6. a kind of solar pipe descaling device as claimed in claim 5, it is characterised in that: the matching board is by propping up
Fagging is formed with co-clip and bolt mounting holes, and described one end that is located at support plate with co-clip, bolt mounting holes are at nicely rounded
All array distributions are in the other end of support plate.
7. a kind of solar pipe descaling device as claimed in claim 6, it is characterised in that: described matching in co-clip has circle
Column through-hole, and the circle of cylindrical hole viewed from above is greater than semicircle, the overall diameter of circular diameter and evacuated collector tube is equal.
8. a kind of solar pipe descaling device as claimed in claim 7, it is characterised in that: the evacuated collector tube peace
Sealing shroud on mounting plate and matching board, and on evacuated collector tube is installed by the pipe that transition fit is mounted on attemperator
When in the A of hole, the cylinder axis of pipe mounting hole A, the cylinder axis of pipe mounting hole B, the axis with the cylindrical hole in co-clip and true
The axis of empty set heat pipe is point-blank.
9. a kind of solar pipe descaling device as claimed in claim 5, it is characterised in that: the first fiber switch
It is connected through a screw thread and is mounted on the first nut, the cooperation baffle is at inverted l shape and is fixedly mounted on the end face of mounting plate
On, pipe mounting hole B is mounted in evacuated collector tube and is mounted on pipe mounting hole A with the sealing shroud in co-clip and on evacuated collector tube
When upper, cooperation baffle can press the fluctuation piece of the first limit switch, and when cleaning evacuated collector tube, cooperation baffle is detached from first
The fluctuation piece of limit switch；Second limit switch and third limit switch, which is connected through a screw thread, is mounted on the upper of collecting box
On end face, the width of size and entire row evacuated collector tube among the second limit switch and third limit switch adds third nut
The sum of width size it is identical, and when third nut contacts the second fiber switch, the water outlet of outlet pipe can be faced
The nozzle of the evacuated collector tube of the extreme side.
10. a kind of solar pipe descaling device as claimed in claim 2, it is characterised in that: first nut is
It is made of the first threaded hole and third motor installing hole, the first threaded hole is through hole whorl hole, and from the top of the first nut
It passes through, third motor installing hole is located at the side of the first nut；Second nut is by the second threaded hole and the 4th motor installing hole
Composition, the second threaded hole is through hole whorl hole, and is passed through from the top of the second nut, and the 4th motor installing hole is located at the second spiral shell
Female side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624493.0A CN109386977A (en) | 2018-12-28 | 2018-12-28 | A kind of solar pipe descaling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624493.0A CN109386977A (en) | 2018-12-28 | 2018-12-28 | A kind of solar pipe descaling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109386977A true CN109386977A (en) | 2019-02-26 |
Family
ID=65430720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811624493.0A Withdrawn CN109386977A (en) | 2018-12-28 | 2018-12-28 | A kind of solar pipe descaling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109386977A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945524A (en) * | 2019-03-23 | 2019-06-28 | 杭州乐守科技有限公司 | A kind of solar energy heat collection pipe scale cleaning machine |
| CN110486953A (en) * | 2019-08-08 | 2019-11-22 | 合肥荣事达太阳能有限公司 | A kind of solar water heater of thermal-collecting tube easy to clean |
| WO2020215643A1 (en) * | 2019-04-23 | 2020-10-29 | 范瑶飞 | Cleaning apparatus for solar vacuum tube |
| CN112556215A (en) * | 2020-12-09 | 2021-03-26 | 嘉兴沃尔奇电器有限公司 | Solar water heater convenient for maintenance of water storage tank and vacuum tube and installation method thereof |
-
2018
- 2018-12-28 CN CN201811624493.0A patent/CN109386977A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945524A (en) * | 2019-03-23 | 2019-06-28 | 杭州乐守科技有限公司 | A kind of solar energy heat collection pipe scale cleaning machine |
| WO2020215643A1 (en) * | 2019-04-23 | 2020-10-29 | 范瑶飞 | Cleaning apparatus for solar vacuum tube |
| CN110486953A (en) * | 2019-08-08 | 2019-11-22 | 合肥荣事达太阳能有限公司 | A kind of solar water heater of thermal-collecting tube easy to clean |
| CN112556215A (en) * | 2020-12-09 | 2021-03-26 | 嘉兴沃尔奇电器有限公司 | Solar water heater convenient for maintenance of water storage tank and vacuum tube and installation method thereof |
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Application publication date: 20190226 |