A kind of component recycling machine people of the old circuit board of communications industry
Technical field
The present invention relates to communications industry technical field, in particular to the component recycling machine of a kind of old circuit board of communications industry
Device people.
Background technique
Circuit board is important electronic component, is the supporter of electronic component, is the load of electronic component electrical connection
Body, in communications industry, circuit board is essential component, there is the components such as various chips, capacitor, pole pipe on circuit board,
It is not recycled, will lead to the waste of resource.
Component on available circuit plate is recycled, the degree of automation in recycling often through artificial mode
It is low, low efficiency, large labor intensity are artificially collected, and high temperature is easy to scald working artificial, safe effect is poor, and
When being recycled to component, the scolding tin on pin can not effectively be removed, be unfavorable for subsequent processing and use, simultaneously
Categorised collection can not be carried out to component, complicated for operation, large labor intensity and working efficiency are low.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of component recycling machine people of the old circuit board of communications industry,
The present invention can solve the component on available circuit plate in recycling, be recycled often through artificial mode, automatically
Change degree is low, artificially collects low efficiency, large labor intensity, and high temperature is easy to scald working artificial, safe effect
Difference, and when being recycled to component, the scolding tin on pin can not effectively be removed, being unfavorable for subsequent processing makes
With, while categorised collection can not be carried out to component, the problems such as complicated for operation, large labor intensity and working efficiency are low can
To realize that the function of being clamped, recycled to the component on old circuit board, high degree of automation reduce manual operation,
Recovery efficiency is high, and labor intensity is low, reduces manually-operated risk, and safe effect is good, can be to the weldering on component's feet
Tin is effectively removed, and categorised collection effect is good, is used convenient for subsequent processing, has simple to operate, labor intensity
It is low with work efficiency is high the advantages that.
To achieve the goals above, the present invention uses following technical scheme, a kind of component of the old circuit board of communications industry
Recycling machine people, including bottom plate, clamping regulating device, nip rotation device, detinning apparatus and Material collecting box for harvesting, the bottom plate upper end
Left side is equipped with clamping regulating device, and two groups of Material collecting box for harvesting are provided on bottom plate, and two groups of Material collecting box for harvesting are mounted on two before and after bottom plate upper end
Side, bottom plate upper center are equipped with detinning apparatus, and detinning apparatus is located between two groups of Material collecting box for harvesting, are equipped with folder on the right side of bottom plate upper end
Hold rotating device;When work, nip rotation device can clamp circuit board, rotated and be heated, and clamping regulating device can
The recyclable component on circuit board after heating is clamped recycling, detinning apparatus can effectively remove electric elements pin
On scolding tin, convenient for subsequent processing use, Material collecting box for harvesting can by different components carry out categorised collection, can effectively it is right
Component on circuit board carries out recycling and is conducive to, and high degree of automation reduces waste, and simple to operate, work efficiency is high.
The clamping regulating device includes mounting plate, elevating mechanism, regulating mechanism, translation mechanism and gripping body, peace
Loading board is mounted on the left of bottom plate upper end, and elevating mechanism is provided on mounting plate right side, is equipped with tune on the right side of elevating mechanism upper end
Mechanism is saved, regulating mechanism right side central is equipped with translation mechanism, and translation mechanism lower end is equipped with gripping body;When work, lifting
Mechanism drives regulating mechanism to move up and down, and regulating mechanism is adjusted before and after driving translation mechanism, and translation mechanism can drive catching device
Structure or so translation, gripping body can clamp the component on circuit board, and high degree of automation, regulating effect is good, subtracts
Few manual operation intensity is conducive to use.
The elevating mechanism includes mounting rack, lifting motor, elevating screw, screw slider, sliding rail, sliding shoe and gear
Plate, mounting rack are mounted on mounting plate right side central.
Mounting rack upper end is equipped with lifting motor by motor cabinet, and the output shaft of lifting motor is connected with liter by shaft coupling
Lead screw drops, and elevating screw is mounted on mounting rack by bearing, and screw slider is provided on elevating screw.
There are two sliding rails, two sliding rails to be symmetrically mounted on mounting plate front and rear sides by baffle for setting on the right side of mounting plate, sliding
Sliding shoe is provided on rail.
When work, lifting motor drives screw slider to move up and down by elevating screw, and sliding rail and sliding shoe play limit
Effect, transmission effect is good, and movement is steady, guarantees the accuracy of processing, improves work efficiency.
The nip rotation device includes annular truss, Rotational Cylindrical, rotor plate, driving mechanism, position-limit mechanism, clamping machine
Structure, preheating table and heating plate, annular truss are mounted on bottom plate upper end, are connected with and are turned by way of being slidably matched inside annular groove
Dynamic column, Rotational Cylindrical upper end is equipped with rotor plate.
Right side under rotor plate is equipped with driving mechanism, rotor plate lower end installed in front limited position mechanism, rotor plate lower end
Left side is equipped with heating plate, is equipped with preheating table on rear side of rotor plate lower end.
Rotor plate upper end is evenly arranged with open slot, and there are two clamping device, two clamping devices pair for setting on open slot
Title is mounted on open slot two sides.
When work, driving mechanism drives rotor plate rotation, and position-limit mechanism can limit the position of rotor plate, clamps
Mechanism can grip circuit board, and preheating table and heating plate can heat circuit board, add convenient for subsequent
Work, high degree of automation reduce manual operation intensity, simple to operate, improve work efficiency.
The driving mechanism includes driving motor, driving gear and annular rack, and driving motor is installed by motor cabinet
On bottom plate, driving gear is installed on the output shaft of driving motor, driving gear is engaged with annular rack, annular rack installation
In rotor plate lower end;When work, driving motor drives rotor plate to turn by driving gear band rotating ring shape racks turn, annular rack
It is dynamic, the waste of resource can be reduced to carry out recycling processing to the component on circuit board while multistation, work efficiency is high,
Conducive to use.
The clamping device includes runner frame, fixed block, gripper cylinder and grip block, and runner frame is mounted on rotor plate
On, fixed block is connected with inside runner frame by way of being slidably matched, grip block, runner frame middle part are installed on the inside of fixed block
Gripper cylinder is installed, the top of gripper cylinder is connect by flange with grip block;When work, gripper cylinder drive grip block to
Lower movement effectively clamps circuit board, easy to operate, and working effect is high.
The detinning apparatus includes fixed bracket, heating frame and inhales tin band, and fixed bracket is mounted on the left of bottom plate upper end,
Fixed pedestal upper end is equipped with heating frame, is equipped with inside heating frame and inhales tin band;When work, regulating device is clamped by component
Pin insertion is inhaled inside tin band, and can effectively the scolding tin on pin be removed by inhaling tin band, is made convenient for the following process of component
With reducing the waste of resource, improve the using effect of component.
As a preferred technical solution of the present invention, the regulating mechanism includes adjusting bracket, adjusts motor, adjusts silk
Thick stick, movable block, movable plate and mobile chute, adjusting bracket are mounted on the right side of elevating mechanism.
Adjusting bracket rear end is equipped with adjusting motor by motor cabinet, and the output shaft for adjusting motor is connected with tune by shaft coupling
Lead screw is saved, adjusting screw is mounted on adjusting bracket by bearing, and movable block is provided on adjusting screw.
It is connect on the outside of movable block with movable plate middle part, is connected with mobile cunning by way of being slidably matched on the outside of movable plate
Slot, mobile chute are mounted on adjusting bracket.
When work, adjusting motor and drive movable plate to move forward and backward by adjusting screw, mobile chute plays the role of limit,
Regulating effect is good, convenient for clamping the component of different location, removing tin and categorised collection, reduces labor intensity, efficiency
It is high.
As a preferred technical solution of the present invention, the translation mechanism include fixed plate, electronic sliding block, push plate,
Sliding rack and fixing groove, fixed plate are mounted on the right side of regulating mechanism.
Fixed plate lower end is equipped with electronic sliding block, and push plate is provided on electronic sliding block, and push plate lower end is equipped with sliding rack, sliding
Fixing groove is connected with by way of being slidably matched on the outside of moving frame, fixing groove is located in fixed plate.
When work, electronic sliding block drives sliding rack side-to-side movement by push plate, and fixing groove plays the role of limit, adjusts effect
Fruit is good, and accuracy is high, and using effect is good, simple to operate.
As a preferred technical solution of the present invention, the gripping body includes connecting rod, connecting plate, adjusts cylinder
With clamping frame, translation mechanism lower end is equipped with connecting rod, and connecting rod lower end is equipped with connecting plate, on the outside of connecting plate there are two settings
Frame is clamped, two clamping framves are symmetrically mounted on connecting plate front and rear sides by pin shaft, clamp and pass through pin shaft between frame and connecting rod
Adjusting cylinder is installed;When work, adjusts cylinder and clamping frame is driven to clamp the component on circuit board, reduce artificial folder
Complexity when taking, high degree of automation are simple to operate.
As a preferred technical solution of the present invention, the clamping frame includes arc frame, transverse slat and clamping plate, connection
It is uniformly arranged arc frame on the outside of plate, is connect by pin shaft with connecting plate in the middle part of arc frame, arc frame is equipped with transverse slat between upper end,
Arc frame lower end inside is equipped with clamping plate.
As a preferred technical solution of the present invention, the position-limit mechanism includes limiting cylinder, limit clamp and limit
Position deck, limiting cylinder are mounted on bottom plate upper end by mounting base, and there is limit deck on the top of limiting cylinder by flanged joint,
Limit deck is uniformly installed, limit deck is corresponding with limit clamp in Rotational Cylindrical;When work, limiting cylinder drives limiting card
Head carries out clamping fixed to limit deck, guarantees the accuracy that the position of rotor plate is adjusted, convenient for the processing of automation.
As a preferred technical solution of the present invention, the grip block includes top board, telescopic rod and lower platen, on
Pressing plate is mounted on the outside of fixed block, and top board lower end is equipped with telescopic rod, and telescopic rod lower end is equipped with lower platen, and telescopic rod can be with
Play effective buffer function, can to avoid directly to circuit board clamping caused by damage.
When work, step 1: nip rotation device is started to work, circuit board is mounted on by clamping machine by artificial mode
On structure, for the driving motor in driving mechanism by driving gear band rotating ring shape racks turn, annular rack drives rotor plate rotation,
Limiting cylinder in position-limit mechanism drives limit clamp to carry out clamping fixed, preheating table and heating to the limit deck in Rotational Cylindrical
Plate can heat circuit board;Step 2: clamping regulating device is started to work, the lifting motor in elevating mechanism passes through liter
Dropping lead screw drives screw slider to move up and down, and the adjusting motor in regulating mechanism drives movable plate front and back fortune by adjusting screw
Dynamic, the electronic sliding block in translation mechanism drives sliding rack side-to-side movement by push plate, and the adjusting cylinder in gripping body drives folder
Frame is taken to clamp the component on circuit board;Step 3: detinning apparatus is started to work, regulating device is clamped by component
Pin insertion is inhaled inside tin band, and can effectively the scolding tin on pin be removed by inhaling tin band;Step 4: clamping regulating device will be removed
Component after tin is collected respectively inside different Material collecting box for harvesting, may be implemented to clamp the component on old circuit board,
The function of recycling.
The beneficial effects of the present invention are:
1. the present invention can solve the component on available circuit plate in recycling, carried out often through artificial mode
Recycling, the degree of automation is low, artificially collects low efficiency, large labor intensity, and high temperature is easy to scald working artificial,
Safe effect is poor, and when recycling to component, can not effectively remove the scolding tin on pin, be unfavorable for subsequent
Processing use, while categorised collection can not be carried out to component, complicated for operation, large labor intensity and working efficiency are low etc.
Problem, may be implemented the function of being clamped, recycled to the component on old circuit board, and high degree of automation reduces people
Work operation, recovery efficiency is high, and labor intensity is low, reduces manually-operated risk, and safe effect is good, can be to component's feet
On scolding tin effectively removed, categorised collection effect is good, uses convenient for subsequent processing, with simple to operate, labor
The advantages that fatigue resistance is low and work efficiency is high;
2. the present invention devises nip rotation device, nip rotation device can be to add circuit board while multistation
Work, working effect is high, simple to operate;
3. the present invention devises clamping regulating device, clamping regulating device can automate to the component on circuit board
It is clamped, reduces labor intensity;
4. the present invention devises detinning apparatus, detinning apparatus can effectively carry out the scolding tin on component's feet effective
Removal, convenient for subsequent processing use.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram between bottom plate of the present invention, clamping regulating device, detinning apparatus and Material collecting box for harvesting;
Fig. 3 is the structural schematic diagram between translation mechanism and gripping body of the present invention;
Fig. 4 is the structural schematic diagram between sliding rack and gripping body of the present invention;
Fig. 5 is the structural schematic diagram between bottom plate and nip rotation device of the present invention;
Fig. 6 is the cross-sectional view of Fig. 5 of the present invention;
Fig. 7 is the I of Fig. 6 of the present invention to partial enlarged view.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.It should be noted that in the absence of conflict, embodiment in the application and
Feature in embodiment can be combined with each other.
As shown in Figures 1 to 7, the component recycling machine people of the old circuit board of a kind of communications industry, including bottom plate 1, clamping
Regulating device 2, nip rotation device 3, detinning apparatus 4 and Material collecting box for harvesting 5,1 upper end of the bottom plate left side are equipped with clamping and adjust
Device 2, is provided with two groups of Material collecting box for harvesting 5 on bottom plate 1, and two groups of Material collecting box for harvesting 5 are mounted on 1 upper end front and rear sides of bottom plate, in 1 upper end of bottom plate
Portion is equipped with detinning apparatus 4, and detinning apparatus 4 is located between two groups of Material collecting box for harvesting 5, and nip rotation dress is equipped on the right side of 1 upper end of bottom plate
Set 3;When work, nip rotation device 3 can clamp circuit board, rotated and be heated, and clamping regulating device 2 can will add
Recyclable component after heat on circuit board is clamped recycling, and detinning apparatus 4 can effectively remove on electric elements pin
Scolding tin uses convenient for subsequent processing, and different components can be carried out categorised collection by Material collecting box for harvesting 5, can be effectively to electricity
Component on the plate of road carries out recycling and is conducive to, and high degree of automation reduces waste, and simple to operate, work efficiency is high.
The clamping regulating device 2 includes mounting plate 21, elevating mechanism 22, regulating mechanism 23, translation mechanism 24 and folder
Mechanism 25 is taken, mounting plate 21 is mounted on the left of 1 upper end of bottom plate, and mounting plate is provided with elevating mechanism 22, elevator on 21 right side
Regulating mechanism 23 is installed, 23 right side central of regulating mechanism is equipped with translation mechanism 24, under translation mechanism 24 on the right side of 22 upper end of structure
End is equipped with gripping body 25;When work, elevating mechanism 22 drives regulating mechanism 23 to move up and down, and regulating mechanism 23 drives translation
It is adjusted before and after mechanism 24, translation mechanism 24 can drive gripping body 25 or so to translate, and gripping body 25 can be on circuit board
Component clamped, high degree of automation, regulating effect is good, reduce manual operation intensity, be conducive to use.
The elevating mechanism 22 includes mounting rack 221, lifting motor 222, elevating screw 223, screw slider 224, slides
Rail 225, sliding shoe 226 and baffle 227, mounting rack 221 are mounted on 21 right side central of mounting plate.
221 upper end of mounting rack is equipped with lifting motor 222 by motor cabinet, and the output shaft of lifting motor 222 passes through shaft coupling
Device is connected with elevating screw 223, and elevating screw 223 is mounted on mounting rack 221 by bearing, is provided on elevating screw 223
Screw slider 224.
There are two sliding rails 225, two sliding rails 225 to be symmetrically mounted on mounting plate by baffle 227 for setting on the right side of mounting plate 21
21 front and rear sides are provided with sliding shoe 226 on sliding rail 225.
When work, lifting motor 222 drives screw slider 224 to move up and down by elevating screw 223, sliding rail 225 and cunning
Motion block 226 plays the role of limit, and transmission effect is good, and movement is steady, guarantees the accuracy of processing, improves work efficiency.
The nip rotation device 3 includes annular truss 31, Rotational Cylindrical 32, rotor plate 33, driving mechanism 34, position restrainer
Structure 35, clamping device 36, preheating table 37 and heating plate 38, annular truss 31 are mounted on 1 upper end of bottom plate, pass through cunning inside annular groove
The mode of dynamic cooperation is connected with Rotational Cylindrical 32, and 32 upper end of Rotational Cylindrical is equipped with rotor plate 33.
Right side under rotor plate 33 is equipped with driving mechanism 34, and 33 lower end installed in front limited position mechanism 35 of rotor plate turns
Heating plate 38 is installed on the left of 33 lower end of movable plate, preheating table 37 is installed on rear side of 33 lower end of rotor plate.
33 upper end of rotor plate is evenly arranged with open slot, and there are two clamping device 36, two clamping machines for setting on open slot
Structure 36 is symmetrically mounted on open slot two sides.
When work, driving mechanism 34 drives rotor plate 33 to rotate, and position-limit mechanism 35 can carry out the position of rotor plate 33
Limit, clamping device 36 can grip circuit board, and preheating table 37 and heating plate 38 can add circuit board
Heat is convenient for subsequent processing, and high degree of automation reduces manual operation intensity, simple to operate, improves work efficiency.
The driving mechanism 34 includes driving motor 341, driving gear 342 and annular rack 343, driving motor 341
It is mounted on bottom plate 1 by motor cabinet, driving gear 342 is installed on the output shaft of driving motor 341, driving gear 342 is nibbled
Conjunction has annular rack 343, and annular rack 343 is mounted on 33 lower end of rotor plate;When work, driving motor 341 passes through driving gear
342 drive annular racks 343 rotate, annular rack 343 drive rotor plate 33 rotate, can with while multistation on circuit board
Component carry out recycling processing, reduce the waste of resource, work efficiency is high, be conducive to use.
The clamping device 36 includes runner frame 361, fixed block 362, gripper cylinder 363 and grip block 364, runner frame
361 are mounted on rotor plate 33, are connected with fixed block 362, fixed block 362 inside runner frame 361 by way of being slidably matched
Inside is equipped with grip block 364, and gripper cylinder 363 is equipped in the middle part of runner frame 361, and the top of gripper cylinder 363 passes through flange
It is connect with grip block 364;When work, gripper cylinder 363 drives grip block 364 to move downward and is effectively pressed from both sides to circuit board
It holds, easy to operate, working effect is high.
The detinning apparatus 4 includes fixed bracket 41, heating frame 42 and inhales tin band 43, and fixed bracket 41 is mounted on bottom plate
On the left of 1 upper end, fixed 41 upper end of bracket is equipped with heating frame 42, is equipped with inside heating frame 42 and inhales tin band 43;When work, clamping
Regulating device 2 inhales the pin insertion of component inside tin band 43, and can effectively the scolding tin on pin be removed by inhaling tin band 43,
It is used convenient for the following process of component, reduces the waste of resource, improve the using effect of component.
As a preferred technical solution of the present invention, the regulating mechanism 23 includes adjusting bracket 231, adjusts motor
232, adjusting screw 233, movable block 234, movable plate 235 and mobile chute 236, it is right that adjusting bracket 231 is mounted on elevating mechanism 22
Side.
231 rear end of adjusting bracket is equipped with by motor cabinet and adjusts motor 232, and the output shaft for adjusting motor 232 passes through shaft coupling
Device is connected with adjusting screw 233, and adjusting screw 233 is mounted on adjusting bracket 231 by bearing, is provided on adjusting screw 233
Movable block 234.
The outside of movable block 234 with connected in the middle part of movable plate 235, connected by way of being slidably matched on the outside of movable plate 235
There is mobile chute 236, mobile chute 236 is mounted on adjusting bracket 231.
When work, adjusts motor 232 and drive movable plate 235 to move forward and backward by adjusting screw 233, mobile chute 236 rises
To the effect of limit, regulating effect is good, convenient for clamping the component of different location, removing tin and categorised collection, reduces artificial
Labor intensity, it is high-efficient.
The translation mechanism 24 includes fixed plate 241, electronic sliding block 242, push plate 243, sliding rack 244 and fixing groove
245, fixed plate 241 is mounted on 23 right side of regulating mechanism.
241 lower end of fixed plate is equipped with electronic sliding block 242, and push plate 243,243 lower end of push plate are provided on electronic sliding block 242
Sliding rack 244 is installed, 244 outside of sliding rack is connected with fixing groove 245 by way of being slidably matched, and fixing groove 245 is located at
In fixed plate 241.
When work, electronic sliding block 242 drives 244 side-to-side movement of sliding rack by push plate 243, and fixing groove 245 plays limit
Effect, regulating effect is good, and accuracy is high, and using effect is good, simple to operate.
The gripping body 25 includes connecting rod 251, connecting plate 252, adjusts cylinder 253 and clamping frame 254, translates machine
24 lower end of structure is equipped with connecting rod 251, and 251 lower end of connecting rod is equipped with connecting plate 252, on the outside of connecting plate 252 there are two settings
Frame 254 is clamped, two clamping framves 254 are symmetrically mounted on 252 front and rear sides of connecting plate by pin shaft, clamp frame 254 and connecting rod
It is equipped between 251 by pin shaft and adjusts cylinder 253;When work, adjusts cylinder 253 and drive clamping frame 254 on circuit board
Component is clamped, and complexity when artificial clamping is reduced, and high degree of automation is simple to operate.
The clamping frame 254 includes arc frame 2541, transverse slat 2542 and clamping plate 2543, and 252 outside of connecting plate is uniformly
Arc frame 2541 is set, is connect by pin shaft with connecting plate 252 in the middle part of arc frame 2541, arc frame is equipped between 2541 upper end
Transverse slat 2542,2541 lower end inside of arc frame are equipped with clamping plate 2543.
The position-limit mechanism 35 includes limiting cylinder 351, limit clamp 352 and limit deck 353, limiting cylinder 351
It is mounted on 1 upper end of bottom plate by mounting base, there are limit deck 353, Rotational Cylindrical 32 in the top of limiting cylinder 351 by flanged joint
On be uniformly equipped with limit deck 353, limit deck 353 with limit clamp 352 it is corresponding;When work, limiting cylinder 351 is driven
It limits 352 pairs of limit decks 353 of clamp and carries out clamping fixed, guarantee the accuracy that the position of rotor plate 33 is adjusted, convenient for automatic
The processing of change.
The grip block 364 includes top board 3641, telescopic rod 3642 and lower platen 3643, and top board 3641 is mounted on
362 outside of fixed block, 3641 lower end of top board are equipped with telescopic rod 3642, and 3642 lower end of telescopic rod is equipped with lower platen 3643,
Telescopic rod 3642 can play effective buffer function, can to avoid directly to circuit board clamping caused by damage.
When work, step 1: nip rotation device 3 is started to work, circuit board is mounted on by clamping by artificial mode
In mechanism 36, the driving motor 341 in driving mechanism 34 drives annular rack 343 to rotate by driving gear 342, annular rack
343 drive rotor plate 33 to rotate, and the limiting cylinder 351 in position-limit mechanism 35 drives limit clamp 352 to the limit in Rotational Cylindrical 32
Position deck 353 carries out clamping fixed, and preheating table 37 and heating plate 38 can heat circuit board;Step 2: clamping is adjusted
Device 2 is started to work, and the lifting motor 222 in elevating mechanism 22 drives about 224 screw slider to transport by elevating screw 223
Dynamic, the adjusting motor 232 in regulating mechanism 23 drives movable plate 235 to move forward and backward by adjusting screw 233, in translation mechanism 24
Electronic sliding block 242 244 side-to-side movement of sliding rack is driven by push plate 243, the adjusting cylinder 253 in gripping body 25 drives folder
Frame 254 is taken to clamp the component on circuit board;Step 3: detinning apparatus 4 is started to work, clamping regulating device 2 will be first
The pin insertion of device is inhaled inside tin band 43, and can effectively the scolding tin on pin be removed by inhaling tin band 43;Step 4: clamping is adjusted
Regulating device 2 will be collected respectively inside different Material collecting box for harvesting 5 except the component after tin, realize to the component on old circuit board
The function of clamped, recycling solves the component on available circuit plate in recycling, often through artificial side
Formula is recycled, and the degree of automation is low, artificially collects low efficiency, large labor intensity, and high temperature be easy to working artificial into
Row scald, safe effect is poor, and when recycling to component, can not effectively be removed the scolding tin on pin, no
Conducive to subsequent processing use, while categorised collection, complicated for operation, large labor intensity and work can not be carried out to component
The problems such as low efficiency, have reached purpose.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.