CN207098845U - A kind of solar light-heat power-generation electric pushrod - Google Patents
A kind of solar light-heat power-generation electric pushrod Download PDFInfo
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- CN207098845U CN207098845U CN201720744083.4U CN201720744083U CN207098845U CN 207098845 U CN207098845 U CN 207098845U CN 201720744083 U CN201720744083 U CN 201720744083U CN 207098845 U CN207098845 U CN 207098845U
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- electric pushrod
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- heat power
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Abstract
The utility model discloses a kind of solar light-heat power-generation electric pushrod, belong to linear drive technology field, motor is provided with the electric pushrod, the motor is connected with drive screw, drive nut axially mobile relative to drive screw when drive screw rotates, its special described motor connection has cable, and the cable is stretched out outside electric pushrod, the cable includes sheath, and the venting channels inside the electric pushrod and outside the electric pushrod are communicated with the sheath.The utility model has the advantage of the water proof and dust proof effect for both ensureing electric pushrod, and can solve the problems, such as easily to produce negative pressure inside electric pushrod.
Description
【Technical field】
A kind of solar light-heat power-generation electric pushrod is the utility model is related to, belongs to Linear transmission technical field.
【Background technology】
Electric pushrod, linear actuators being typically also, its main operational principle is to drive drive screw to rotate by motor,
Nut is set on drive screw, drives nut to move back and forth when drive screw rotates.
With the development of heliotechnics, solar light-heat power-generation technology is the emerging Solar use skill after photovoltaic generation
Art, its principle be substantial amounts of heliostat in a manner of focusing on by the energy accumulating of solar energy direct light, it is general to collect
It is to be collected among these using tower, the effect of heliostat is more crucial, electronic in order to improve the efficiency of heliostat reflected sunlight
Push rod is applied to the drive device as heliostat.
The electric pushrod in solar light-heat power-generation field is applied, because the environment used is in outdoor adverse circumstances
In, it is necessary to avoid the erosion of rainwater, frost, sand and dust, so this kind of electric pushrod must possess extraordinary sealing structure, but
It is that sealing structure is very good there is also problem, because the nut of electric pushrod is moved back and forth inside electric pushrod, similar to one
Individual piston is moved back and forth in syringe, and a vacuum effect can be produced if syringe overall tightness is very good, in syringe, then is lived
The resistance that the reciprocating motion of plug is subject to is very big, and similarly, if the sealing of electric pushrod is fine, piston is past in electric pushrod
Multiple athletic meeting makes to produce negative pressure inside electric pushrod, and the resistance being subject to so as to cause nut to move back and forth becomes big, so drives spiral shell
Female reciprocating energy consumption increases, and how to ensure not produce negative pressure inside electric pushrod so working out, and and can rises
To the scheme of waterproof and dustproof, be this kind of electric pushrod there is an urgent need to.
【Utility model content】
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art and provides a kind of solar energy
Hot generating electric pushrod, had both ensured the water proof and dust proof effect of electric pushrod, and can solve easily production inside electric pushrod
The problem of raw negative pressure.
Solves above-mentioned technical problem, the utility model adopts the following technical scheme that：
A kind of solar light-heat power-generation electric pushrod, the electric pushrod is interior to be provided with motor, the motor drive connection
There is drive screw, drive nut axially mobile relative to drive screw when drive screw rotates, its special described motor connection has electricity
Cable, the cable are stretched out outside electric pushrod, and the cable includes sheath, and described electronic push away is communicated with the sheath
Venting channels inside bar and outside the electric pushrod.
Preferably, be provided with hollow conduit or metal webmaster in the sheath, hollow conduit or the metal webmaster it is interior
Chamber forms the venting channels.
Preferably, the internal diameter of the hollow conduit or metal webmaster is 1mm~15mm.
Preferably, being provided with cored wire in the sheath, the cored wire includes cored wire set, and the outside of cored wire set is provided with convex tendon,
Separate to form gap between adjacent cored wire or by the convex tendon between cored wire and sheath, the gap forms the venting channels.
Preferably, it is provided with filler in the sheath.
Preferably, the part that the cable is located in electric pushrod is cable inner segment, on the cable inner segment
Provided with the first side opening for connecting the venting channels；And/or the part that the cable is stretched out outside electric pushrod is electricity
The outer section of cable, the outer section of the cable are provided with the second side opening for being used for connecting the venting channels.
Preferably, the drive screw drives nut to be moved back and forth between initial position and extreme position, the electricity
Dynamic push rod also includes photoelectric sensor and the touch panel for triggering the photoelectric sensor, when the nut is returned to initial position
The touch panel is driven to be moved towards the photoelectric sensor.
Preferably, the electric pushrod also includes fixed seat, the fixed seat is with drive screw in axially retained position
Fixed, the photoelectric sensor is arranged in the fixed seat.
Preferably, the fixed seat is provided with accommodating cavity, the photoelectric sensor is arranged in the accommodating cavity, the appearance
Chamber is put provided with the first opening, the touch panel includes the triggering projection that can be stretched into by the described first opening in the accommodating cavity.
Preferably, first opening is provided with soft seal set, the triggering projection may pass through described soft close
Big envelope is stretched into accommodating cavity；And/or the accommodating cavity is provided with the second opening, the photoelectric sensor is installed by the second opening
Into accommodating cavity, second opening sets fluid sealant.
Preferably, the motor connection has brake device for electrical machinery, the brake device for electrical machinery includes：
Fixed seat, it is fixedly mounted on motor；
Connecting shaft, is fixedly connected or integrative-structure with the motor shaft of motor：
Brake block, in rotation direction with the connecting shaft rotate, in the axial direction with connecting shaft floating connection：
Electromagnet, in fixed seat；
In the operating condition, left between the brake block and fixed seat and avoid gap, under on-position, the electromagnetism
Body drives the brake block to produce floating by magneticaction, and adhesive is in fixed seat.
Preferably, being provided with fixed disk in the connecting shaft, the fixed disk is with connecting shaft synchronous axial system, the fixation
Dynamic clamping head and quiet clamping head is provided between disk and brake block.
Preferably, the fixed disk can move axially relative to the connecting shaft, and connection is positioned at by fastener
On axle.
Preferably, the electromagnet includes inner ring, coil and magnet, the inner ring is set in connecting shaft, the line
Circle is wound on outside the inner ring, and the magnet is located at overhang；Or, the electromagnet includes magnetic core and around being located at outside magnetic core
Coil, the magnetic core are set in connecting shaft.
Using the beneficial effects of the utility model：
Electric pushrod in the utility model, original sealing structure can still ensure without modification on electric pushrod
Good sealing, for preventing the erosions such as outdoor rainwater, frost, sand and dust to inside electric pushrod, meanwhile, in order to solve electricity
Negative pressure problem inside dynamic push rod, the utility model is improved cable, because the power output of electric pushrod comes from
Motor, and motor is the need for power supply, there is power supply just to need cable, traditional cable be all it is solid, it is even endless
Complete solid, the gap between its internal core is also very small, it is impossible to realizes ventilatory effect.
And the cable in the utility model, its inside are provided with venting channels, cable one end is connected to electric pushrod
On internal motor, the other end is then connected in the power supply box of outside or on other power supply units, and this kind of power supply box or other
Power supply unit communicates equivalent to ambient atmosphere, so, is equivalent to by cable, by the inside of electric pushrod
Air pressure connects with ambient pressure, and because the power supply units such as power supply box are typically all to have corresponding water proof and dust proof measure, so
Rainwater etc. will not be also entered in electric pushrod from the venting channels of cable, so as to solve well inside electric pushrod
Negative pressure problem.
First, solve most intuitively effect be exactly allow nut move back and forth be that the resistance being subject to greatly reduces, so as to
Reduce the energy loss of electric pushrod.
Secondly, solve the problems, such as negative pressure, not exclusively reduce the problem of nut is moved back and forth by resistance, and can also
Play other effects beyong contemplation：
1st, tradition applies the electric pushrod in solar energy techniques, although sealing structure is provided with, due to electronic
Push rod is arranged under open-air atmosphere, if sealing structure nearby adheres to the foreign matters such as rainwater, frost, sand and dust, when push rod is stretched
During contracting, it can be entered because ambient atmosphere is more than the foreign matters such as the air pressure inside electric pushrod, this kind of rainwater, frost, sand and dust by suck-back
The inside of electric pushrod, so being even provided with sealing structure, the problem of foreign matter enters electric pushrod still be present, and solve
After negative pressure problem, for electric pushrod when flexible, its air pressure inside and external pressure are consistent, at least can guarantee that suck-back phenomenon
No longer occur, reduce the hidden danger that foreign matter enters inside electric pushrod.
2nd, tradition applies electric pushrod in solar energy techniques, its operating ambient temperature at -30 DEG C~70 DEG C, so
Under extreme adverse circumstances, on 70 DEG C of daytime, -30 DEG C of night, day and night temperature reaches 100 DEG C, in this case, closed electricity
Pass through 100 degrees Celsius of difference variation inside dynamic push rod, the pressure inside electric pushrod larger difference occurs with outside pressure
Different, now in the presence of atmospheric pressure, the suffered burden of sealing structure is very big, aging procedure aggravation, influences sealing knot
The service life of structure.And after solving negative pressure problem, even if by 100 DEG C round the clock of the temperature difference, the inside of push rod and outside pressure
It can also be consistent by force, can at least greatly reduce because the inconsistent burden to caused by sealing structure of inside and outside pressure, improves electricity
The service life of dynamic push rod.
In other preferred schemes, also have the advantages that：
In the utility model, by the limit switch of traditional contact, photoelectric sensor is improved to, photoelectric sensor is to adopt
By the use of photoelectric cell as the sensor of detecting element, it is first converted into measured change the change of optical signal, then borrowed
Photoelectric cell is helped further to convert optical signals into electric signal, the utility model also sets up a touch panel in addition, and the nut returns
Drive the touch panel to be moved towards the photoelectric sensor when position is to initial position, the advantages of using the utility model, exist first
Precision height, reaction in photoelectric sensor is fast, and after touch panel is moved to target location towards photoelectric sensor, photoelectric sensor is anti-
Should be very fast, the position of touch panel can be sensed immediately, be also equivalent to sense the position of nut, relative to traditional limit
For switch, sensitivity is well a lot.
Secondly, photoelectric sensor is substantially contactless, that is, touch panel is without touching photoelectric sensor,
This causes the power that will not be had an effect between touch panel and photoelectric sensor, will not also wear, long-term use of, will not also cause to miss
Difference becomes the problem of big, can guarantee that precision all the time as before.
In precision it is guaranteed after so that each back to zero position of nut be all accurately, so when control system to electronic
When push rod is controlled propulsion, it can guarantee that the relative telescopic precision of electric pushrod is more preferable, so as to accurately realize that the settled date imitates
Fruit, so as to allow the solar energy that heliostat reflects accurately to reflex on collection tower.
Additionally, it is preferred that in scheme, the utility model is also improved to brake device for electrical machinery, under normal operation, is stopped
It is to leave to avoid gap between car piece and fixed seat, due to the presence in this avoidance gap so that between brake block and fixed seat
There is no rubbing action, because brake block is with not rubbed between rotation, that is, connecting shaft and fixed seat with connecting shaft
Effect, the drag effect that in other words motor shaft is subject to is substantially zeroed, so as to allow motor in normal operation, brake gear pair
Motor does not produce drag effect substantially, and it also avoid heating problem, simultaneously as brake block and fixed seat under normal condition
Do not contact, the time mutually worn is few, and service life is longer, applies on electric pushrod, especially solar light-heat power-generation skill
The electric pushrod in art field, the service life that can guarantee that electric pushrod it is longer, it is necessary to energy consumption it is less.
In the case where needing to motor braking, electromagnet allows brake block to produce floating, so as to stop by magneticaction
For the adhesive of car piece in fixed seat, the operation principle of electromagnet is to produce magnetic force by power on/off, in the utility model, the magnetic
Power is used to controlling the floating of brake block, and in brake block adhesive to fixed seat, both produce frictional force, and brake block is hindered itself
Power, rotating speed decline, so that the rotating speed of connecting shaft also accordingly declines, so as to play the braking effect to motor, applied in electricity
On dynamic push rod, the especially electric pushrod of solar light-heat power-generation technical field, electric pushrod bounce back brake when brake force more
To be steady, and brake force is controlled using power on/off, is also more conform with the electric pushrod of solar light-heat power-generation technical field,
Because this kind of electric pushrod can be all controlled using a set of automatic control system, so as to which control system of switching on or off electricity is also added to this
In automatic control system.
Further, since it is electric control that braking, which uses, and the torsion spring braking being driven is the different rotation directions by motor shaft
To realize, and electric pushrod of the present utility model is used, either motor shaft is in rotating forward state or inverted status, Dou Nengshi
Now to the braking of motor.
Other features and advantage of the present utility model will be detailed in following embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the overall schematic of the utility model electric pushrod embodiment one；
Fig. 2 is the schematic diagram of the cable in the utility model electric pushrod embodiment one；
Fig. 3 is the schematic cross-section of the cable in the utility model electric pushrod embodiment one；
Fig. 4 is the exploded perspective view of the utility model electric pushrod embodiment one；
Fig. 5 is the partial schematic sectional view of the utility model electric pushrod embodiment one；
Fig. 6 is touch panel, the assembling schematic diagram of fixed seat in the utility model electric pushrod embodiment one；
Fig. 7 is the exploded perspective view between touch panel, fixed seat in the utility model electric pushrod embodiment one；
Fig. 8 is the schematic diagram of one end face of fixed seat in the utility model electric pushrod embodiment one；
Fig. 9 be Fig. 8 in A-A to schematic cross-sectional view；
Figure 10 is the schematic cross-sectional view of B-B direction in Fig. 8；
Figure 11 is the structural representation of touch panel in the utility model electric pushrod embodiment one；
Figure 12 is the structural representation of brake device for electrical machinery in the utility model electric pushrod embodiment one；
Figure 13 is the schematic cross-sectional view of brake device for electrical machinery in the utility model electric pushrod embodiment one；
Figure 14 is the schematic diagram of the end face of brake device for electrical machinery in the utility model electric pushrod embodiment one；
Figure 15 is the schematic diagram of leaf spring in the utility model electric pushrod embodiment one；
Figure 16 is the schematic cross-section of the cable in the utility model electric pushrod embodiment two.
【Embodiment】
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
In the following description, occur the indicating position such as term " interior ", " outer ", " on ", " under ", "left", "right" or
Position relationship is to be described based on orientation shown in the drawings or position relationship, description embodiment merely for convenience with simplified, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, because
This is it is not intended that to limitation of the present utility model.
Embodiment 1：
As shown in Fig. 1 to Figure 15, a kind of solar light-heat power-generation electric pushrod of the present embodiment displaying, the present embodiment master
It is preferred in solar light-heat power-generation technology, drives heliostat to use, the electric pushrod in the present embodiment, it is mainly tied
Structure includes motor 10, and motor 10 is connected with drive screw 11, and nut 12 is connected with drive screw 11, and motor 10 is installation
In pedestal 13, pedestal 13 is fixedly connected with outer tube 14, and nut 12 is then fixedly connected with inner tube 15, is driven when motor 10 drives
When screw rod 11 rotates, nut 12 relatively moves with drive screw 11, specifically two on drive screw 11 position
Moved back and forth between putting, be to be moved back and forth at one between initial position and extreme position for nut 12.For entirety
For, it is to realize inner tube 15 to relatively move with outer tube 14, the outermost end of inner tube 15 is then used to drive heliostat to rotate.
The electric pushrod in solar light-heat power-generation field is applied, because the environment used is in outdoor adverse circumstances
In, it is necessary to the erosion of rainwater, frost, sand and dust be avoided, so this kind of electric pushrod must possess extraordinary sealing structure.
Electric pushrod in the present embodiment, original sealing structure can still ensure very without modification on electric pushrod
Good sealing, for preventing the erosions such as outdoor rainwater, frost, sand and dust to inside electric pushrod, meanwhile, it is electronic in order to solve
Negative pressure problem inside push rod, the present embodiment are improved the cable 2 of motor 10, because the power output of electric pushrod is come
From in motor 10, and motor 10 is the need for power supply, has power supply just to need cable, traditional cable be all it is solid, i.e.,
It is not exclusively solid, the gap between its internal core 23 is also very small, it is impossible to realizes ventilatory effect.
And the cable 2 in the present embodiment, its inside are provided with venting channels 201, the one end of cable 2 is connected to electronic push away
On motor 10 inside bar, the other end stretches out outside electric pushrod and is connected in the power supply box of outside or on other power supply units,
And this kind of power supply box or other power supply units so, are equivalent to pass through cable equivalent to communicating with ambient atmosphere
Line 2, the air pressure inside of electric pushrod is connected with ambient pressure, and because the power supply units such as power supply box are typically all to have accordingly
Water proof and dust proof measure, so rainwater etc. will not be also entered in electric pushrod from the venting channels 201 of cable 2, so as to very
Solves the negative pressure problem inside electric pushrod well.
First, solve most intuitively effect be exactly allow nut 12 move back and forth be that the resistance being subject to greatly reduces, from
And reduce the energy loss of electric pushrod.
Secondly, solve the problems, such as negative pressure, not exclusively reduce the problem of nut 12 is moved back and forth by resistance, but also
Other effects beyong contemplation can be played：
1st, tradition applies the electric pushrod in solar energy techniques, although sealing structure is provided with, due to electronic
Push rod is arranged under open-air atmosphere, if sealing structure nearby adheres to the foreign matters such as rainwater, frost, sand and dust, when push rod is stretched
During contracting, it can be entered because ambient atmosphere is more than the foreign matters such as the air pressure inside electric pushrod, this kind of rainwater, frost, sand and dust by suck-back
The inside of electric pushrod, so being even provided with sealing structure, the problem of foreign matter enters electric pushrod still be present, and solve
After negative pressure problem, for electric pushrod when flexible, its air pressure inside and external pressure are consistent, at least can guarantee that suck-back phenomenon
No longer occur, reduce the hidden danger that foreign matter enters inside electric pushrod.
2nd, tradition applies electric pushrod in solar energy techniques, its operating ambient temperature at -30 DEG C~70 DEG C, so
Under extreme adverse circumstances, on 70 DEG C of daytime, -30 DEG C of night, day and night temperature reaches 100 DEG C, in this case, closed electricity
Pass through 100 degrees Celsius of difference variation inside dynamic push rod, the pressure inside electric pushrod larger difference occurs with outside pressure
Different, now in the presence of atmospheric pressure, the suffered burden of sealing structure is very big, aging procedure aggravation, influences sealing knot
The service life of structure.And after solving negative pressure problem, even if by 100 DEG C round the clock of the temperature difference, the inside of push rod and outside pressure
It can also be consistent by force, can at least greatly reduce because the inconsistent burden to caused by sealing structure of inside and outside pressure, improves electricity
The service life of dynamic push rod.
The concrete structure of cable 2, with reference to shown in Fig. 2 and Fig. 3, cable 2 includes sheath 21, is provided with the sheath 21
The inner chamber of hollow conduit 22 described in hollow conduit 22 forms the venting channels 201, and the hollow conduit 22 is located in sheath 21
At axial location, for the cored wire 23 in cable 2 then between hollow conduit 22 and sheath 21, sheath 21 is used as outer protection,
Water proof and dust proof, hollow conduit 22 are then used as ventilation, inside connection electric pushrod and outside electric pushrod.It should be noted that
Hollow conduit 22 can also be metal webmaster, as long as being separated cored wire 23, so as to produce larger gap between cored wire 23
It is that can be used as venting channels 201.In addition, filler 24 can be set in the sheath 21 so that cable 2 is more full
It is full to enrich, because there is hollow conduit 22 also not interfering with ventilatory effect.
The internal diameter of hollow conduit 22 is 1mm~15mm, preferably 5mm, and the internal diameter of hollow conduit 22 easily causes greatly very much cable
2 overall line footpath of line is thicker, increases cost, weight is also relatively large, if the internal diameter of hollow conduit 22 is too small, cable 2 is one
Denier easily causes hollow conduit 22 to be converted into sealing by around folding, bad so as to cause to ventilate.
Cable 2 is divided into section outside cable inner segment and cable according to physical location difference, and cable inner segment is positioned at electricity
Part inside dynamic push rod, the outer section of cable is the part outside electric pushrod, because cable 2 and motor 10 connect
Connect usually in end, in order to strengthen ventilatory effect, the cable 2, which is provided with, is used to connecting the of the venting channels 201
One side opening, such gas can be entered in hollow conduit 22 by the first side opening, and the first side opening is located at cable inner segment
On；Similarly, the outer section of the cable is provided with the second side opening for being used for connecting the venting channels 201, and the second side opening is excellent
Choosing is to be located at the end of the outer section of cable.
In addition, in solar energy thermal-power-generating technology, the rotational angle required precision to heliostat is higher, so being pushed away to electronic
The stroke of bar has a set of control system to be automatically controlled to realize, control system is this due to being prior art
The inventive point of embodiment, therefore do not illustrate excessively, control system control the flexible of inner tube 15 is required for a zero-bit reference, so
For zero-bit with reference to must be accurate, and existing electric pushrod be sensed by the limit switch of contact, first this
The precision of the limit switch itself of kind contact is not fine, secondly because the limit switch of contact, connects due to extruding for a long time
Touch, easily abrasion, the accuracy of detection after abrasion can change again, if be used in solar energy thermal-power-generating technology, it drives
Precision can not ensure.
In order to solve this problem, as shown in Fig. 4 to Figure 11, by the limit switch of traditional contact in the present embodiment,
Photoelectric sensor 30 is improved to, photoelectric sensor 30 is to use sensor of the photoelectric cell as detecting element, and it is first quilt
The change of measurement is converted into the change of optical signal, then further converts optical signals into electric signal by photoelectric cell, in addition
The present embodiment also sets up a touch panel 31, and the nut 12 drives the touch panel 31 towards the photoelectricity when being returned to initial position
Sensor 30 moves, and the advantages of so design, first consists in the precision height of photoelectric sensor 30, reacts fast, when the direction of touch panel 31
After photoelectric sensor 30 is moved to target location, photoelectric sensor 30 reacts very fast, can sense the position of touch panel 31 immediately
Put, be also equivalent to sense the position of nut 12, for traditional limit switch, sensitivity is well a lot.
Secondly, photoelectric sensor 30 is substantially contactless, that is, touch panel 31 is not have to touch photoelectric sensor
30, this causes the power that will not be had an effect between touch panel 31 and photoelectric sensor 30, will not also wear, long-term use of,
Error will not be caused to become the problem of big, can guarantee that precision all the time as before.
In precision it is guaranteed after so that each back to zero position of nut 12 be all accurately, so when control system to electricity
When dynamic push rod is controlled propulsion, it can guarantee that the relative telescopic precision of electric pushrod is more preferable, so as to accurately realize the settled date
Effect, so as to allow the solar energy that heliostat reflects accurately to reflex on collection tower.
Concrete structure：
The inductive switch for the initial position for sensing nut 12 is made a modular component, this module by the present embodiment
The design of change, which the advantage is that, to be installed with generalization, as shown in fig. 6, including fixed seat 32 and touch panel 31, the fixed seat 32
Fixed with drive screw 11 in axially retained position, the photoelectric sensor 30 is arranged in the fixed seat 32, the present embodiment
In photoelectric sensor 30 be trough type photoelectric sensor, including sensor main body 301 and pcb board 302, be provided with touch panel 31 tactile
Projection 311 is sent out, after triggering projection 311 is extend into the groove of photoelectric sensor 30, light can be sheltered from, so that photoelectric transfer
Sensor 30 is triggered, and produces signal.
Installed to simplify, the modularization inductive switch of this monoblock type, is by outer tube 14 and pedestal in the present embodiment
The effect of pressing between 13 is fixed on electric pushrod, as shown in figure 5, outer tube 14, which is the mode being connected through a screw thread, is fixed on base
On seat 13, wherein touch panel 31, the center of fixed seat 32 are all hollow, so that drive screw 11 passes through, while the outer ring of fixed seat 32
It is convexly equipped with locating ring 321.When mounted, first the black box set in Fig. 6 is attached to outside drive screw 11, then outer tube 14 passes through
The mode of spiral connection is installed on pedestal 13, and after installing, locating ring 321 is just pressed on end face and the pedestal 13 of outer tube 14
Between, so as to complete stationary positioned effect, thus save and fixed with fastener, simplify installation.
The specific mounting structure of photoelectric sensor 30：Accommodating cavity 322 is set in the fixed seat 32 of the present embodiment, referring to Fig. 9,
The photoelectric sensor 30 is arranged in the accommodating cavity 322, and the accommodating cavity 322 is provided with the first opening 322a, and this first is opened
Mouth 322a is arranged on the side towards touch panel 31, and triggering projection 311 can stretch into the accommodating cavity by the described first opening 322a
In 322, and enter in the groove of photoelectric sensor 30, set the effect of accommodating cavity 322 to be preferably protect photoelectricity
Sensor 30, prevent the materials such as dust, lubricating oil from entering in the groove of photoelectric sensor 30, influence the inspection of photoelectric sensor 30
Survey.
In order to more easily assemble photoelectric sensor 30, accommodating cavity 322 is also provided with the second opening 322b, the second opening
322b is arranged far from the side of touch panel 31, and the second opening 322b bore is greater than the first opening 322a, during assembling, photoelectric transfer
Sensor 30 is installed in accommodating cavity 322 by the second opening 322b, and by fasteners such as screws by the PCB of photoelectric sensor 30
Plate 302 is fixed in fixed seat 32.
Because electric pushrod is the mechanical kind of drive, more profit is especially coated with inside it on drive screw 11
Lubricating oil, lubricating oil is easily thrown on photoelectric sensor 30 at the first opening 322a, the second opening 322b in rotation process, separately
Outside, because the present embodiment is to be used for solar light-heat power-generation technology, use environment is that out of doors, very big probability has moisture, ash
The small particles such as dirt are entered inside electric pushrod, and these materials also enter easily by the first opening 322a, the second opening 322b
Enter into the groove of photoelectric sensor 30, because the operation principle of photoelectric sensor 30 is exactly to sense whether light is blocked, one
Denier light is blocked by lubricating oil, small particle, will influence the normal work of photoelectric sensor 30, in order to solve this problem,
The present embodiment is provided with twice safeguard structure in fixed seat 32.
First of safeguard structure, after photoelectric sensor 30 is installed in accommodating cavity 322 by the second opening 322b, the
Fluid sealant is coated with two opening 322b, fluid sealant can be 704 glue or heat-conducting glue etc., set fluid sealant to have two effects, when
To gap sealing protection, second, being protected to photoelectric sensor lead-out wire, it is broken when preventing by external force.Can certainly be
The form of fluid sealant or sealing ring is set to realize between the pcb board 302 and fixed seat 32 of photoelectric sensor 30；
Second safeguard structure, it is described first opening 322a at be provided with soft seal set 33, it is described triggering projection 311 can
Stretched into through soft seal set 33 in accommodating cavity 322, after setting soft seal to cover 33, have substantially no effect on the work of touch panel 31
It is dynamic, and effectively obstruct lubricating oil and enter, soft seal set can use silicon rubber.
Between touch panel 31 and fixed seat 32, there is provided guide frame, i.e., described touch panel 31 is set towards the side of fixed seat 32
There are more leads 34, and the guide groove 323 stretched into for lead 34 is then provided with fixed seat 32, lead 34 and guide groove
323 matchings so that the guidance quality between touch panel 31 and fixed seat 32 is more preferable, and triggering projection 311 can be allowed accurately to extend into photoelectric transfer
In the groove of sensor 30.In addition, after more leads 34 are set, moreover it is possible to prevent that relative turn occurs between touch panel 31 and fixed seat 32
It is dynamic.
In order to ensure the reset effect of touch panel 31, return unit is provided between touch panel 31 and fixed seat 32 in the present embodiment
35, the return unit in the present embodiment is preferably spring, and the spring is set in outside lead 34, and such lead 34 can be to spring
Certain locating effect is played, while is arranged multiple springs, the active force of reset is also more steady.
In addition, in order to prevent from departing between touch panel 31 and fixed seat 32, lead 34 is caused to depart from guide groove 323
Problem, the structure of spacing disengaging is also provided with the present embodiment between fixed seat 32 and touch panel 31, is in fixed seat specifically
Screw rod perforation 324 is set on 32, and counterbore is set in end face of the fixed seat 32 away from touch panel 31, stop screw 36 is worn from counterbore
Enter, and it is spacing by counterbore, and the other end of stop screw 36 is then fixed on touch panel 31, between such touch panel 31 and fixed seat 32
Maximum spacing influences the relative movement between touch panel 31 and fixed seat 32 with regard to that can be defined.
Except the ultimate range between touch panel 31 and fixed seat 32 has spacing, the minimum between touch panel 31 and fixed seat 32
Distance be also required to it is spacing, if not spacing, it is possible to cause trigger projection 311 excessively contact photoelectric sensor 30 so that
The damage of photoelectric sensor 30 is caused, therefore in the present embodiment, the touch panel 31 is provided with spacing preiection towards the side of fixed seat 32
312, spacing preiection 312 is circumferentially provided with multiple, prevents warpage.
In addition, in the present embodiment, a kind of brake device for electrical machinery is also disclosed, the motor brake dress on traditional electric pushrod
Put, be all by the way of torsion spring braking, during 101 normal work of motor shaft, active force between torsion spring and motor shaft 101 compared with
It is small, and when electric pushrod needs retraction, motor shaft 101 inverts, so that two free ends of torsion spring can be driven to tighten up, so as to play
Braking effect, this structure has been structure very common on electric pushrod, but the brake structure of this structure, normal
During work, still there can be certain rubbing action between torsion spring and motor shaft 101, and in addition, the mode of torsion spring braking,
Brake force less stable.
As shown in Figure 12 to Figure 16, the brake device for electrical machinery in the present embodiment, including base 41, connecting shaft 42, brake block
43 and electromagnet 44, base 41 be fixedly mounted on motor 10, connecting shaft 42 be fixedly connected with the motor shaft 101 of motor 10 or
Integrative-structure, brake block 43 are fixedly connected in rotation direction with connecting shaft 42, and floated with connecting shaft 42 connects in the axial direction
Connect, it is signified here to mean that connecting shaft 42 drive brake block 43 also to rotate when rotating, while brake block 43 is not
It is to be fixed completely with connecting shaft 42, on the axial direction of connecting shaft 42, relative move can occur with connecting shaft 42 for brake block 43
It is dynamic, and electromagnet 44 is mounted in base 41.In the operating condition, left between the brake block 43 and base 41 between avoidance
Gap, under on-position, the electromagnet 44 drives the brake block 43 to produce floating by magneticaction, and adhesive is to base
On 41.
It is to leave to avoid gap under normal operation, between brake block 43 and base 41, due to this avoidance gap
In the presence of so that there is no rubbing action between brake block 43 and base 41, because brake block 43 is with rotation with connecting shaft 42,
Namely there is no rubbing action between connecting shaft 42 and base 41, the drag effect that in other words motor shaft 101 is subject to is substantially zeroed,
So as to allow motor 10, brake device for electrical machinery does not produce drag effect substantially to motor 10, and keeps away in normal operation
Heating problem is exempted from, simultaneously as brake block 43 does not contact with base 41 under normal condition, the time mutually worn is few, uses the longevity
Order longer, apply on electric pushrod, especially the electric pushrod of solar light-heat power-generation technical field, can guarantee that electric pushrod
Service life it is longer, it is necessary to energy consumption it is less.
In the case where needing to brake motor 10, electromagnet 44 allows brake block 43 to produce floating by magneticaction, from
And by the adhesive of brake block 43 to base 41, the operation principle of electromagnet 44 is to produce magnetic force by power on/off, in this practicality
In new, the magnetic force is used to controlling the floating of brake block 43, and in the adhesive of brake block 43 to base 41, both produce frictional force, stop
Car piece 43 itself is by resistance, and rotating speed declines, so that the rotating speed of connecting shaft 42 also accordingly declines, so as to play to motor 10
Braking effect, apply on electric pushrod, especially the electric pushrod of solar light-heat power-generation technical field, electric pushrod exist
Brake force is more steady during retraction braking, and controls brake force using power on/off, is also more conform with solar light-heat power-generation
The electric pushrod of technical field, because this kind of electric pushrod can be all controlled using a set of automatic control system, so as to handle
Control system of switching on or off electricity is also added in the automatic control system.
Further, since it is electric control that braking, which uses, and the torsion spring braking being driven is the different rotation sides by motor shaft 101
Always to realize, and use electric pushrod of the present utility model, either motor shaft 101 is in rotating forward state or inverted status,
The braking to motor 10 can be realized.
Brake device for electrical machinery concrete structure：
Using Figure 13 as reference, base 41 is fixedly mounted on the upper surface of motor 10 by a connecting plate 45, base 41
Inner hollow, the connecting shaft 42 in the present embodiment, and will be even with trip bolt by setting flat position to be connected with motor shaft 101
Spindle 42 achieves a fixed connection with motor shaft 101, and connecting shaft 42 is through base 41 and stretches out the upper surface of base 41, connecting shaft 42
Upper part one fixed disk 46 is installed, fixed disk 46 is sleeved in connecting shaft 42 and rotated with the rotation of connecting shaft 42,
And brake block 43 is then arranged on the lower section of fixed disk 46, between fixed disk 46 and base 41.
Dynamic clamping head and quiet clamping head 47 is provided between brake block 43 and fixed disk 46, dynamic clamping head and quiet clamping head 47 is preferably in the present embodiment
Leaf spring, leaf spring have certain rigidity in itself, and the leaf spring in the present embodiment is preferably annular leaf spring, similar to the cushion of annular
Circle, circumferentially there is 4 location points as shown in figure 15, in annular leaf spring, and first position point P1 and the 3rd location point P3 are symmetrical, the
Two location point P2 and the 4th location point P4 are symmetrical, and first position point P1 and the 3rd location point P3 fixes with fixed disk 46 to be connected
Connect, for example welding or riveting, the second place point P2 and the 4th location point P4 are fixedly connected with brake block 43, such as welding or riveting
Connect.This connected mode of leaf spring, both having realized will not occur mutually to rotate between fixed disk 46 and brake block 43, simultaneously fixed
It can be relatively moved between disk 46 and brake block 43 axially, so that brake block 43 can produce under magneticaction
Lower motion.
It should be noted that the structure of the leaf spring of the present embodiment and the connected mode of leaf spring are only preferred, other realities
Apply in mode, leaf spring is not limited to annular or bar shaped, leaf spring and fixed disk 46, the connected mode of brake block 43
It is also not limited in Figure 15, as long as the link position point of the link position point of leaf spring and fixed disk 46, leaf spring and brake block 43 is not
Overlapping, can realize both prevents from rotating, and but also with the effect of elastic reset, this embodiment should all fall into of the present utility model
Protection domain.
The scope that gap is avoided in the present embodiment is 0.2mm~0.5mm, preferably 0.3mm, due to assembling be present during assembling
Error, while its thickness of brake block 43 also has an error, and there is also abrasion, these errors and abrasion after long-term use all can
Cause avoidance gap to change, can be in order to ensure to avoid gap in 0.2mm~0.5mm, the present embodiment will be fixed
Disk 46 is arranged to adjustable, i.e. the sidepiece of fixed disk 46 is provided with side screwed hole, and trip bolt 48 is provided with the screwed hole of side,
Axial location between fixed disk 46 and connecting shaft 42 can be finely adjusted, and locked with trip bolt 48 after fine setting, made in addition
To be preferred, limited step 421 is also provided with the present embodiment in connecting shaft 42, the limited step 421 is used for spacing fixed disk
46 extreme lower position, to prevent that it is too small that fixed disk 46 from installing gap between rear braking piece 43 and the upper surface of base 41.
It should be noted that the axially adjustable mode or other embodiment of fixed disk 46, such as connecting shaft 42
On be threaded, fixed disk 46, which is connected through a screw thread, to be arranged in connecting shaft 42, the upper and lower ends of fixed disk 46 set two it is tight
Gu nut, fixed disk 46 is fixed in connecting shaft 42 by way of nut fastening.More there is guarantor in this regulative mode precision
Barrier.
For electromagnet 44, electromagnet 44 described in the present embodiment includes inner ring 441, coil 442 and magnet 443, described
Inner ring 441 is set in connecting shaft 42, and the coil 442 is wound on outside the inner ring 441, and the magnet is located at the end of coil 442
Portion, is specifically provided in the bottom of coil 442, and the base 41 in the present embodiment is metal, in the energized state, simultaneously
Motor 10 is also under normal operating conditions, and coil 442, which is powered, produces magnetic field, so as to which the magnetic field with magnet 443 is cancelled out each other, now
The upper surface of base 41 does not have magnetic force, will not produce suction to brake block 43, in this condition brake block 43 and base 41
It there is between upper surface and avoid gap, and when under off-position, general this when of motor 10 also powers off, now line
Circle 442 does not produce magnetic field, and magnetic force is transmitted to the upper surface of base 41 by magnet 443, and the upper surface of base 41 is to brake block 43
Suction is produced, and overcomes the active force of leaf spring, by the adhesive of brake block 43 to base 41, so as to allow base 41 to produce brake block 43
Raw frictional resistance, plays braking effect.
In addition, the sidepiece of base 41 is provided with the threading hole 411 passed through for coil 442 or wire, thus facilitate coil 442
Or the wire that coil 442 connects is reached inside base 41 outside base 41.In addition, in order to reduce the mill of the upper surface of base 41
Damage, the upper surface of the present embodiment center base 41 set wearing layer, or the top of base 41 to use single wear-resisting end cap 412,
The degree of wear of base 41 can be so reduced, while it is also ensured that after long-term immobilization, the change for avoiding gap will not be very big.
Embodiment 2
As shown in figure 16, the present embodiment and the difference of embodiment 1 are do not have hollow conduit, this implementation in the present embodiment
Cored wire 23 in example inside cable 2 includes cored wire set 231, and the outside of cored wire set 231 is provided with convex tendon 232, sets convex tendon 232
Afterwards, it will not be brought into close contact between cored wire 23, but certain interval can be produced, meanwhile, between the inwall of cored wire 23 and sheath 21
Certain interval can be produced, these gaps just form the venting channels 201 naturally.
Embodiment 3
The present embodiment and the difference of embodiment 1 are, fixed seat is not provided with the present embodiment, and photoelectric sensor is directly solid
Dingan County is on the pedestal, and touch panel is also mounted on pedestal, and is to be slidably installed with pedestal, concrete structure, be
Chute is set on pedestal, allows touch panel to be slidably mounted in chute, after photoelectric sensor is installed on pedestal, with a protective cover cover
Firmly, to play grease proofing effect, certain protective cover is also correspondingly provided with first in embodiment 1 such as and is open, so that triggering projection is stretched
Enter or stretch out.
Embodiment 4
The present embodiment and the difference of embodiment 1 are that the structure of electromagnet is otherwise varied, and the electromagnet in the present embodiment is adopted
With most common electromagnet structure, the electromagnet includes magnetic core and is set in company around the coil being located at outside magnetic core, the magnetic core
In spindle, the power on/off situation of the present embodiment coil and the power on/off of motor are on the contrary, i.e. in normal work, coil is in motor
Off-position, in this condition, magnetic core do not produce magnetic field in itself, will not produce suction to brake block, to ensure fixed seat with stopping
Exist between car piece and avoid gap, when motor powers off, coil electricity, now magnetic core generation magnetic field, suction is produced to brake block,
So as to by brake block adhesive to fixed seat.This embodiment, only need braking when, coil is just powered, and it is most of when
In, coil is cold, and energy consumption more saves.
Embodiment 5
The present embodiment and the difference of embodiment 1 are that the dynamic clamping head and quiet clamping head in brake device for electrical machinery in the present embodiment is
Spring, one end of spring are fixedly connected with fixed disk, and the other end of spring is fixedly connected with brake block, but due to spring itself
It is flexible, after so installing, is still easily mutually rotated between brake block and fixed disk, it is fixed in order to solve this problem
Disk sets the limited post of more than 2, and the spacing hole matched with limited post is set on brake block, and brake block occurs relative with fixed disk
When mobile, limited post all the time in spacing hole, and spacing hole can limit limited post rotation, so as to avoid brake block with
Fixed disk is relatively rotated, it is preferred that spring can be set on limited post.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, it is familiar with the those skilled in the art and should be understood that the utility model includes but is not limited to accompanying drawing and above specific embodiment party
Content described in formula.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
Scope in.
Claims (14)
1. a kind of solar light-heat power-generation electric pushrod, the electric pushrod is interior to be provided with motor, and the motor is connected with
Drive screw, drive nut axially mobile relative to drive screw when drive screw rotates, it is characterised in that the motor connection
There is cable, the cable is stretched out outside electric pushrod, and the cable includes sheath, and the electricity is communicated with the sheath
Venting channels inside dynamic push rod and outside the electric pushrod.
2. solar light-heat power-generation electric pushrod as claimed in claim 1, it is characterised in that be provided with the sheath hollow
Conduit or metal webmaster, the inner chamber of hollow conduit or the metal webmaster form the venting channels.
3. solar light-heat power-generation electric pushrod as claimed in claim 2, it is characterised in that the hollow conduit or metal
The internal diameter of webmaster is 1mm~15mm.
4. solar light-heat power-generation electric pushrod as claimed in claim 1, it is characterised in that be provided with core in the sheath
Line, the cored wire include cored wire set, and the outside of cored wire set is provided with convex tendon, described between adjacent cored wire or between cored wire and sheath
Convex tendon separates to form gap, and the gap forms the venting channels.
5. the solar light-heat power-generation electric pushrod as described in one of Claims 1-4, it is characterised in that in the sheath
Provided with filler.
6. the solar light-heat power-generation electric pushrod as described in one of Claims 1-4, it is characterised in that the cable
Part in electric pushrod is cable inner segment, and the cable inner segment, which is provided with, is used to connecting the of the venting channels
One side opening；And/or the part that the cable is stretched out outside electric pushrod is the outer section of cable, is set in the outer section of the cable
There is the second side opening for connecting the venting channels.
7. the solar light-heat power-generation electric pushrod as described in one of Claims 1-4, it is characterised in that the transmission spiral shell
Bar drives nut to be moved back and forth between initial position and extreme position, and the electric pushrod also includes photoelectric sensor and is used for
The touch panel of the photoelectric sensor is triggered, the nut drives the touch panel towards the photoelectric sensing when being returned to initial position
Device moves.
8. solar light-heat power-generation electric pushrod as claimed in claim 7, it is characterised in that the electric pushrod also includes
Fixed seat, the fixed seat are fixed with drive screw in axially retained position, and the photoelectric sensor is arranged on the fixed seat
On.
9. solar light-heat power-generation electric pushrod as claimed in claim 8, it is characterised in that the fixed seat is provided with accommodating
Chamber, the photoelectric sensor are arranged in the accommodating cavity, and the accommodating cavity is provided with the first opening, and the touch panel includes passing through
The triggering projection that first opening is stretched into the accommodating cavity.
10. solar light-heat power-generation electric pushrod as claimed in claim 9, it is characterised in that the first opening peace
Equipped with soft seal set, the triggering projection may pass through the soft seal set and stretch into accommodating cavity；And/or the accommodating cavity
Provided with the second opening, the photoelectric sensor is installed in accommodating cavity by the second opening, and second opening sets sealing
Glue.
11. the solar light-heat power-generation electric pushrod as described in one of Claims 1-4, it is characterised in that the motor connects
Brake device for electrical machinery is connected to, the brake device for electrical machinery includes：
Fixed seat, it is fixedly mounted on motor；
Connecting shaft, is fixedly connected or integrative-structure with the motor shaft of motor：
Brake block, in rotation direction with the connecting shaft rotate, in the axial direction with connecting shaft floating connection：
Electromagnet, in fixed seat；
In the operating condition, left between the brake block and fixed seat and avoid gap, under on-position, the electromagnet leads to
Crossing magneticaction drives the brake block to produce floating, and adhesive is in fixed seat.
12. solar light-heat power-generation electric pushrod as claimed in claim 11, it is characterised in that be provided with the connecting shaft
Fixed disk, the fixed disk are provided with dynamic clamping head and quiet clamping head with connecting shaft synchronous axial system between the fixed disk and brake block.
13. solar light-heat power-generation electric pushrod as claimed in claim 12, it is characterised in that the fixed disk can be relative to
The connecting shaft axial movement, and be positioned at by fastener in connecting shaft.
14. solar light-heat power-generation electric pushrod as claimed in claim 11, it is characterised in that the electromagnet includes interior
Circle, coil and magnet, the inner ring are set in connecting shaft, and the coil is wound on outside the inner ring, and the magnet is located at coil
End；Or, the electromagnet includes magnetic core and is set in around the coil being located at outside magnetic core, the magnetic core in connecting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744083.4U CN207098845U (en) | 2017-06-23 | 2017-06-23 | A kind of solar light-heat power-generation electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744083.4U CN207098845U (en) | 2017-06-23 | 2017-06-23 | A kind of solar light-heat power-generation electric pushrod |
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| Publication Number | Publication Date |
|---|---|
| CN207098845U true CN207098845U (en) | 2018-03-13 |
Family
ID=61553705
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744083.4U Active CN207098845U (en) | 2017-06-23 | 2017-06-23 | A kind of solar light-heat power-generation electric pushrod |
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| CN (1) | CN207098845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453534A (en) * | 2017-06-23 | 2017-12-08 | 浙江捷昌线性驱动科技股份有限公司 | A kind of solar light-heat power-generation electric pushrod |
| CN112796947A (en) * | 2020-12-30 | 2021-05-14 | 吉林大学 | Wind power generation device |
-
2017
- 2017-06-23 CN CN201720744083.4U patent/CN207098845U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453534A (en) * | 2017-06-23 | 2017-12-08 | 浙江捷昌线性驱动科技股份有限公司 | A kind of solar light-heat power-generation electric pushrod |
| CN107453534B (en) * | 2017-06-23 | 2024-04-02 | 浙江捷昌线性驱动科技股份有限公司 | Electric push rod for solar photo-thermal power generation |
| CN112796947A (en) * | 2020-12-30 | 2021-05-14 | 吉林大学 | Wind power generation device |
| CN112796947B (en) * | 2020-12-30 | 2022-04-19 | 吉林大学 | Wind power generation device |
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