CN209115253U

CN209115253U - Variable pitch driver

Info

Publication number: CN209115253U
Application number: CN201821770590.6U
Authority: CN
Inventors: 甘德凯
Original assignee: Shenzhen Inovance Technology Co Ltd
Current assignee: Shenzhen Inovance Technology Co Ltd
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2019-07-16
Anticipated expiration: 2028-10-30

Abstract

The utility model provides a kind of variable pitch driver, including heat-radiating substrate, middle framework and driving assembly, wherein: the middle framework includes top plate and multiple side plates, and the side plate and top plate are integrated, and the edge of the top plate is connected respectively at the top of the multiple side plate；The bottom of every side plate of the middle framework is fixed on the heat-radiating substrate, and has installation cavity between the middle framework and the heat-radiating substrate；The driving component is located in the installation cavity and is installed to the heat-radiating substrate.The utility model passes through the side plate that will constitute center and top plate using integral structure, substantially increases production and the maintenance efficiency of wind electricity change paddle driver, and improve the vibration resistance of complete machine.

Description

Variable pitch driver

Technical field

The utility model relates to field of wind power equipment, more specifically to a kind of variable pitch driver.

Background technique

For wind-power electricity generation as clean energy resource, itself is with the obvious advantage.Currently, wind-power electricity generation have become after coal electricity, water power it The third-largest main force's energy in China afterwards.With the reduction of manufacturing cost, the degree electricity cost of following China's wind-powered electricity generation is expected to close to thermoelectricity, because This wind-powered electricity generation industry will necessarily be developed with fast speed.Variable pitch driver is a core component in wind power system, with wind-powered electricity generation Development, the reliability requirement of variable pitch driver is also greatly improved, it is also growing to the demand of variable pitch driver.

Currently, four sides of the fuselage of wind electricity change paddle driver and control panel center mounting surface use separate structure, I.e. five structural members are connected by screw to composition.Above-mentioned separate structure is needed in assembling using more screw, and by More in structural member, the deviation of mounting hole also can be larger, makes production assembly and continuous ground complicated for operationization, to the life of product It produces and the maintenance of product brings difficulty.

Also, above-mentioned separate structure also results in variable pitch driver, and running vibration resistance is poor at the scene.In addition, Existing wind electricity change paddle driver is all mounted on substantially inside pitch-controlled system axis cabinet, narrow space in cabinet, so as to pitch drive The attended operation of device is very difficult.

Utility model content

The technical problem to be solved by the present invention is to produce for above-mentioned variable pitch driver, is difficult in maintenance, and antivibration The poor problem of ability provides a kind of new variable pitch driver.

The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of variable pitch driver, including heat dissipation base Plate, middle framework and driving assembly, in which: the middle framework includes top plate and multiple side plates, and the side plate and top plate are integrated, and The edge of the top plate is connected respectively at the top of the multiple side plate；The bottom of every side plate of the middle framework is fixed on institute It states on heat-radiating substrate, and there is installation cavity between the middle framework and the heat-radiating substrate；The driving component is located at the peace In behaveing affectedly and it is installed to the heat-radiating substrate.

Preferably, the variable pitch driver includes programmable logic controller (PLC), has the first installation position, institute on the top plate Stating the first installation position includes multiple the first Nut columns for protruding from the cover top surface, and the programmable logic controller (PLC) is fixed On first Nut column.

Preferably, the variable pitch driver includes control panel, has the second installation position, and the control panel on the top plate It is installed on second installation position.

Preferably, the upper surface of the top plate has groove, and second installation position is located in the groove；Described Two installation positions include multiple the second Nut columns for protruding from the bottom portion of groove, and the control panel is fixed on second Nut column On.

Preferably, the groove is located in the view field of first installation position, and the top surface of second Nut column Below the upper surface of the top plate；The lower surface of the programmable logic controller (PLC) has first interface, the control panel Upper surface have second interface, and the control panel be fixed to second Nut column, the programmable logic controller (PLC) When fixed to first Nut column, the first interface and second interface plug connection.

Preferably, the variable pitch driver includes impulse generator card, has third installation position on the top plate, and described Third installation position includes multiple third Nut columns for protruding from the cover top surface, and the impulse generator fixing is scheduled on described On third Nut column.

Preferably, the upper surface of the top plate has the parting bead perpendicular to the top plate, the multiple first Nut column position In the same side of the parting bead, and has on the parting bead and keep away position mouthful；Described the is fixed in the programmable logic controller (PLC) When one Nut column, position mouthful is kept away described in the external terminal insertion on the programmable logic controller (PLC).

Preferably, there is first step structure and second step structure, and institute on one of side plate of the middle framework State on the step surface of first step structure with the first mounting hole, the second step structure step surface on have second installation Hole；The braking resistor terminal of the driving component projects into outside first mounting hole, the input terminal of the driving component is prominent It reaches outside second mounting hole.

Preferably, there is third step structure, and the third step structure on one of side plate of the middle framework Step surface on there is third mounting hole, and the output terminal of the driving component projects into outside the third mounting hole；Have The side plate of the third step structure is oppositely arranged on the middle framework with the side plate with first step structure.

Preferably, fan mounting holes are respectively provided on two adjacent side plates of the middle framework；The middle framework is extremely There is handle on a few side plate.

The variable pitch driver of the utility model has following technical effect that side plate and top plate by that will constitute center use Integral structure, substantially increases production and the maintenance efficiency of wind electricity change paddle driver, and improves the vibration resistance of complete machine.This reality Strong power part and weak current part are also installed on different spaces with novel, so that strong power part be made not do mutually with weak current part It disturbs, improves the Electro Magnetic Compatibility of product.

Detailed description of the invention

Fig. 1 is the decomposition state schematic diagram of the utility model variable pitch driver embodiment；

Fig. 2 is the structural schematic diagram of the middle framework embodiment in the utility model variable pitch driver；

Fig. 3 is the assembled state schematic diagram of the utility model variable pitch driver embodiment；

Fig. 4 is the schematic diagram of programmable logic controller (PLC) assembled embodiment in the utility model variable pitch driver.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

It as shown in Figs. 1-2, is the schematic diagram of the utility model variable pitch driver embodiment, which can be applied to Wind generator system (such as being mounted in wind field high tower axis cabinet), and realize pitch motor drive control.The variable pitch of the present embodiment Driver includes middle framework 10, heat-radiating substrate 20 and driving assembly 30.Wherein, middle framework 10 includes top plate 101 and multiple sides (quantity of side plate 102 is equal with the quantity on the side of top plate 101, such as when top plate 101 is rectangle, the number of side plate 102 for plate 102 Amount is 4), 101 one of above-mentioned side plate 102 and top plate, and the top of multiple side plates 102 is connected respectively to the edge of top plate 101. The bottom of every side plate 102 of framework 10 is fixed on heat-radiating substrate 20 (for example, in the bottom of at least partly side plate 12 among the above Lug 1021 with fixation hole is set, and the screw by passing through fixation hole consolidates the bottom of side plate 12 and heat-radiating substrate 20 It is fixed), and there is installation cavity between middle framework 10 and heat-radiating substrate 20, driving assembly 30, which is located in above-mentioned installation cavity and is fixed to, to be dissipated On hot substrate 20.

Above-mentioned variable pitch driver by the way that side plate 102 and top plate 101 are integrated into a part, i.e., in framework 10 (center Part 10 can be die casting), no longer need to that side plate 102 and top plate 101 are fixed together by screw, without by screw by two A adjacent side plates 102 are fixed together, and only need directly to be fastened on middle framework 10 on heat-radiating substrate 20 entirely through screw, thus Substantially increase production and the maintenance efficiency of wind electricity change paddle driver, while the grounded continuous reliable and antivibration of driving assembly 30 Kinetic force becomes more epistasis.

As shown in figure 4, above-mentioned variable pitch driver further includes programmable logic controller (PLC) (Programmable Logic Controller, PLC) 60, correspondingly, there is the first installation position, and first installation position includes multiple protrudes from top plate 101 First Nut column 41 of 101 upper surface of top plate, programmable logic controller (PLC) 60 are fixed on the first Nut column 41.Due to programmable Logic controller is fixed on the upper surface of top plate 101, therefore convenient for the installation to programmable logic controller (PLC) 60, attended operation (such as being connect with other devices).And since programmable logic controller (PLC) 60 is located at outside installation cavity, driving assembly 30 will not It is interfered, electromagnetic interference performance can be met without supernumerary structure.

As shown in figure 3, above-mentioned variable pitch driver includes control panel 50, correspondingly, there is the second installation position on top plate 101, And second installation position be located at outside installation cavity；Control panel 50 is installed on the second installation position.Similarly, since control panel 50 is located at installation Outside chamber, driving assembly 30 will not interfere it, can meet electromagnetic interference performance without supernumerary structure.

Particularly, the upper surface of top plate 101 has groove 1011, and the second installation position is located in the groove 1011.Second Installation position includes multiple the second Nut columns 42 for protruding from 1011 bottom of groove, and control panel 50 is fixed on the second Nut column 42.

Above-mentioned groove 1011 can be located in the view field of the first installation position, and the top surface of the second Nut column 42 is located at top plate 101 upper surface can efficiently use sky hereinafter, in this way, control panel 50 is the lower section that may be mounted to programmable logic controller (PLC) 60 Between.Meanwhile the lower surface of programmable logic controller (PLC) 60 has second interface with the upper surface of first interface, control panel 50 501, and the second installation position (being fixed to the second Nut column 42), the installation of programmable logic controller (PLC) 60 are installed in control panel 60 When to the first installation position (be fixed to the first Nut column 41), first interface and 501 plug connection of second interface.It is connect by first The Hard link of mouth and second interface 501, can be improved the integration degree of programmable logic controller (PLC) 60, to provide more expand Open up function.

Above-mentioned variable pitch driver is by by (including the programmable logic control of strong power part (i.e. driving assembly 30) and weak current part Device 60 processed, control panel 50) different spaces are installed on, and it is by top plate 101 that its is completely isolated, make strong power part and weak current part It does not interfere mutually, improves the Electro Magnetic Compatibility of product.

Above-mentioned variable pitch driver may also include impulse generator (Pulse Generator, PG) card, correspondingly, top plate 101 On can have third installation position, and the third installation position includes multiple third Nut columns 43, PG for protruding from 101 upper surface of top plate Fixing is scheduled on third Nut column 43.

Particularly, it can be more than that the first Nut column 41 protrudes from top that third Nut column 3, which protrudes from the height of 101 upper surface of top plate, The height of 101 upper surface of plate, the i.e. mounting surface of PG card are higher than the mounting surface of programmable logic controller (PLC) 60, consequently facilitating PG card Installation and removal.Also, Hard link can also be used between PG card and programmable logic controller (PLC) 60, i.e., respectively in the following table of PG card Corresponding interface is arranged in face and the upper surface of programmable logic controller (PLC) 60, thus when PG card is installed to third installation position, PG The corresponding interface plug connection of the interface and programmable logic controller (PLC) 60 of card lower surface.

In addition, the upper surface of top plate 101 can also have the parting bead 1012 perpendicular to top plate 101, multiple first Nut columns 41 Can have positioned at the same side of parting bead 1012, and on parting bead 1012 and keep away position mouthful；First is installed in programmable logic controller (PLC) 60 When installation position, the external terminal insertion on programmable logic controller (PLC) 60 keeps away position mouthful.It, can will be on top plate 101 by parting bead 1012 Board and other parts (such as display screen, input key etc.) separate, while avoid on programmable logic controller (PLC) 60 outside Connecting terminal is hanging.

Can have first step structure and second step structure, and on one of side plate 102 of framework 10 among the above On the step surface of one step structure with the first mounting hole, second step structure step surface on have the second mounting hole；It is above-mentioned The braking resistor terminal of driving assembly 30 projects into outside the first mounting hole, the input terminal of driving assembly 30 projects into the second installation Outside hole.By above-mentioned first step structure and second step structure, the patching operations of variable pitch driver are greatly facilitated.

Similarly, there is on one of side plate of framework 10 third step structure, and the third step structure among the above Step surface on there is third mounting hole 1022, the output terminal of driving assembly 30 projects into outside third mounting hole.And it is above-mentioned Side plate 102 with third step structure is oppositely arranged on middle framework 10 with the side plate 102 with first step structure.

In addition, fan peace is respectively provided on two adjacent side plates of framework 10 among the above for convenient for radiator fan installation Dress hole 1024 (is respectively used to installation X-axis fan and Y-axis fan).

Can also have handle 1023 at least one side plate 102 of framework 10 among the above, to facilitate removing for variable pitch driver Fortune operation.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should It is subject to the protection scope in claims.

Claims

1. a kind of variable pitch driver, which is characterized in that including heat-radiating substrate, middle framework and driving assembly, in which: the center Part includes top plate and multiple side plates, and the side plate and top plate are integrated, and the top is connected respectively at the top of the multiple side plate The edge of plate；The bottom of every side plate of the middle framework is fixed on the heat-radiating substrate, and the middle framework is dissipated with described There is installation cavity between hot substrate；The driving component is located in the installation cavity and is installed to the heat-radiating substrate.

2. variable pitch driver according to claim 1, which is characterized in that the variable pitch driver includes programmable logic control Device processed, has the first installation position on the top plate, and first installation position includes multiple protruding from the of the cover top surface One Nut column, the programmable logic controller (PLC) are fixed on first Nut column.

3. variable pitch driver according to claim 2, which is characterized in that the variable pitch driver includes control panel, described There is the second installation position, and the control panel is installed on second installation position on top plate.

4. variable pitch driver according to claim 3, which is characterized in that the upper surface of the top plate has groove, and institute The second installation position is stated to be located in the groove；Second installation position includes multiple the second nuts for protruding from the bottom portion of groove Column, the control panel are fixed on second Nut column.

5. variable pitch driver according to claim 4, which is characterized in that the groove is located at the throwing of first installation position In the domain of shadow zone, and the top surface of second Nut column is located at the upper surface of the top plate or less；The programmable logic controller (PLC) Lower surface there is second interface with the upper surface of first interface, the control panel, and be fixed in the control panel described When second Nut column, the programmable logic controller (PLC) are fixed to first Nut column, the first interface and second interface Plug connection.

6. variable pitch driver according to claim 1, which is characterized in that the variable pitch driver includes impulse generator Card, has third installation position on the top plate, and the third installation position includes multiple protruding from the of the cover top surface Three Nut columns, the impulse generator fixing are scheduled on the third Nut column.

7. variable pitch driver according to claim 2, which is characterized in that the upper surface of the top plate has perpendicular to described The parting bead of top plate, the multiple first Nut column are located at the same side of the parting bead, and have on the parting bead and keep away position mouthful；Institute External terminal insertion when stating programmable logic controller (PLC) fixed to first Nut column, on the programmable logic controller (PLC) It is described to keep away position mouthful.

8. variable pitch driver according to claim 1, which is characterized in that have on one of side plate of the middle framework First step structure and second step structure, and there is the first mounting hole, described the on the step surface of the first step structure There is the second mounting hole on the step surface of two step structures；The braking resistor terminal of the driving component projects into first peace It fills outside hole, the input terminal of the driving component projects into outside second mounting hole.

9. variable pitch driver according to claim 8, which is characterized in that have on one of side plate of the middle framework Third step structure, and there is third mounting hole, and the output of the driving component on the step surface of the third step structure Terminal projects into outside the third mounting hole；Side plate with the third step structure and the side plate with first step structure It is oppositely arranged on the middle framework.

10. variable pitch driver according to claim 1, which is characterized in that on two adjacent side plates of the middle framework It is respectively provided with fan mounting holes；There is handle at least one side plate of the middle framework.