CN119381119A - A frequency conversion and voltage conversion device - Google Patents
A frequency conversion and voltage conversion device Download PDFInfo
- Publication number
- CN119381119A CN119381119A CN202411930290.XA CN202411930290A CN119381119A CN 119381119 A CN119381119 A CN 119381119A CN 202411930290 A CN202411930290 A CN 202411930290A CN 119381119 A CN119381119 A CN 119381119A
- Authority
- CN
- China
- Prior art keywords
- mounting
- gear
- transmission
- base
- installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 title description 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 128
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims description 27
- 239000000428 dust Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012791 sliding layer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides variable frequency and voltage equipment, which comprises a base, wherein a transformer body is arranged on the base, a sliding groove is formed in the base along the circumferential direction of the base, a sliding block is arranged in the sliding groove in a sliding mode, a mounting rod is arranged on the sliding block, a mounting frame is arranged at the top of the mounting rod, a cooling fan is arranged on the mounting frame, a first gear is rotatably sleeved on the mounting rod, a rack meshed with the first gear is arranged at the top of the base, a driving assembly is arranged on the mounting rod, a second gear is rotatably sleeved on the mounting rod, a mounting block is arranged on the base, an arc-shaped groove is formed in one side, close to the inside of the base, of the mounting block, a tooth slot is formed in the inner wall of the groove, a mounting shaft is arranged at the bottom of the mounting frame, the bottom of the mounting shaft is in transmission connection with the mounting rod, and a transmission assembly is arranged on the mounting rod.
Description
Technical Field
The invention relates to the technical field of variable-voltage equipment, in particular to variable-frequency variable-voltage equipment.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The variable frequency transformer is an electric device for changing the voltage and frequency of alternating current, and is generally composed of a frequency converter and a transformer, the output voltage and frequency can be adjusted according to the load requirement so as to realize the accurate control of a motor or other electric devices, the frequency converter is a core part of the variable frequency transformer, the variable frequency transformer can convert the alternating current with fixed frequency into the alternating current with variable frequency, the transformer is used for adjusting the voltage and can raise or lower the voltage of the alternating current as required, the variable frequency transformer has important and wide application in the fields of industrial automation, power transmission, motor control and the like, the energy utilization efficiency can be improved, the mechanical abrasion is reduced, the service life of the device is prolonged, and more accurate speed and power control can be realized.
Along with the development of power electronics technology, the application of the high-frequency transformer in a power system is more and more extensive, compared with the traditional power frequency transformer, the high-frequency transformer has the advantages of small volume, light weight, high efficiency, high response speed and the like, but along with the improvement of voltage class and capacity, the heat dissipation problem of the high-frequency transformer becomes more and more prominent, and the high-voltage high-capacity high-frequency transformer can generate a large amount of heat in the operation process, and the heat mainly comprises copper loss, iron loss, switching loss and stray loss, and particularly in the high-load working state, the accumulated heat in the variable-frequency transformer cannot be timely discharged, so that the temperature in the equipment is rapidly increased, the performance of insulating materials is reduced, the safety and the reliability of the transformer are affected, and therefore, how to perform rapid and efficient heat dissipation is particularly important for the variable-frequency transformer.
In the conventional heat dissipation mode selection, because the variable frequency transformer is an electrical device, in order to ensure long-term effective operation of the device, one or both of natural air cooling and forced air cooling are generally selected to dissipate heat of the device, wherein the natural air cooling refers to heat exchange between the device and air in the surrounding environment to realize heat dissipation, and the forced air cooling utilizes a cooling fan to drive air circulation in the surrounding environment of the transformer so as to achieve the heat dissipation mode of taking away heat generated by the variable frequency transformer, but in the actual use process, the variable frequency transformer radiates heat outwards from an internal iron core, the heat is uniformly distributed around the transformer, only one side of the transformer is always blown away by forced air cooling to dissipate heat, and the side opposite to the air cooling radiator is required to bear heat of the transformer, and also bear heat brought by airflow, so that the heat born by different positions of the transformer is different, in the long-time use process, certain damage is easily caused to the transformer, and the use safety and reliability of the transformer are influenced.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a variable frequency and voltage transformation device, which can improve the heat dissipation performance of the variable frequency and voltage transformation device and the use safety and reliability of a transformer.
The aim of the invention is achieved by the following technical scheme:
A variable frequency and voltage transformation device comprises a base, wherein a transformer body is arranged on the base, a sliding groove is formed in the base along the circumferential direction of the base, a sliding block is arranged in the sliding groove in a sliding mode, a mounting rod is arranged on the sliding block, a mounting frame is arranged at the top of the mounting rod, a cooling fan is arranged on the mounting frame, a first gear is coaxially sleeved on the mounting rod in a rotating mode, a rack is fixedly arranged at the top of the base along the circumferential direction of the base, the rack is meshed with the first gear, a driving assembly is arranged on the mounting rod and used for driving the first gear to rotate, a second gear is coaxially sleeved on the mounting rod in a rotating mode, a mounting block is fixedly arranged at four corners of the base, an arc-shaped groove is formed in one side, close to the inside of the base, a tooth groove for the second gear to mesh is formed in the inner wall of the groove, a mounting shaft is arranged at the bottom of the mounting frame, the bottom of the mounting shaft is in transmission connection with the mounting rod, a transmission assembly is arranged on the mounting rod, one end of the transmission assembly is in transmission connection with the second gear, the other end of the transmission assembly is in transmission connection with the second gear, the transmission assembly is arranged on the mounting rod, and a limiting piece is arranged on the mounting rod and used for limiting a deflection angle of the shaft.
In some possible embodiments, the driving assembly comprises a driving motor and a driving gear, the driving motor is fixedly arranged on the sliding block, the driving gear is coaxially and fixedly arranged on an output shaft of the driving motor, the driving gear is meshed with the first gear, a mounting seat is fixedly arranged at the top of the mounting rod, the bottom of the mounting shaft is rotatably arranged at the top of the mounting seat, the mounting seat is hollow, the transmission assembly is arranged in the mounting seat, and the limiting piece is arranged in the mounting seat.
In some possible embodiments, the transmission assembly includes a first transmission gear, a second transmission gear and a third transmission gear, the first transmission gear is coaxially and rotatably sleeved on the installation rod, the first transmission gear is coaxially and fixedly connected with the second gear, a transmission shaft is rotationally arranged in the installation seat, the axis of the transmission shaft is mutually perpendicular to the axis of the installation rod, the second transmission gear is coaxially and fixedly sleeved on the transmission shaft, the bottom end of the installation shaft penetrates through the top wall of the installation seat and stretches into the installation seat, the third transmission gear is coaxially and fixedly sleeved on the bottom end of the installation shaft, and the first transmission gear and the third transmission gear are in transmission connection through the second transmission gear.
In some possible embodiments, the number of the second transmission gears is two, the number of the transmission shafts is two, the two transmission shafts are symmetrically arranged inside the mounting seat along the axis of the mounting rod, and the second transmission gears are coaxially and fixedly connected with the transmission shafts in a one-to-one correspondence.
In some possible embodiments, the limiting piece is set to the bolt, radially offer the bar groove along the transmission shaft on the inner wall of mount pad, slide in the bar groove and be provided with the bar piece, the fixed one end that sets up in the bar piece keeping away from the bar groove of limiting piece, set up on the transmission shaft and supply limiting piece male spacing groove, be provided with the elastic component in the bar groove, the elastic component is used for driving the limiting piece towards the spacing groove removal, the notch lateral wall of spacing groove sets up to the inclined plane, the tip of limiting piece sets up to the wedge with the mutual adaptation of inclined plane.
In some possible embodiments, the number of the bar grooves is four, the radian angle between every two adjacent bar grooves is set to 90 degrees, and the limit grooves are arranged in one-to-one correspondence with the bar grooves.
In some possible embodiments, a through hole is formed in the bottom of the mounting seat, the top end of the mounting rod penetrates through the through hole and stretches into the mounting seat, a connecting rod is fixedly arranged at the top end of the mounting rod, and one end, away from the mounting rod, of the connecting rod is fixedly connected with the inner wall of the mounting seat.
In some possible embodiments, a plurality of mounting holes are formed in the mounting frame, a plurality of mounting holes are uniformly formed in the mounting frame along the vertical direction, cooling fans are arranged in each mounting hole, dust screens are arranged on the side walls of the mounting frame, which are close to and far away from the transformer body, in a covering mode, the dust screens are detachably connected with the mounting frame, fixing pieces are arranged on the dust screens, and the fixing pieces are used for limiting the positions of the dust screens on the mounting frame.
In some possible embodiments, the transformer body includes the bottom plate and is located roof on the bottom plate, be provided with two mirror symmetry's iron core between bottom plate and the roof, two the center post periphery cover of iron core is equipped with the mounting bracket, is equipped with the winding around the periphery of mounting bracket, is equipped with the guard plate at the periphery cover of winding, is equipped with the cover body at the base upper cover, has seted up the ventilation hole on the perisporium of the cover body.
In some possible embodiments, balls are embedded in the bottom of the slider for rolling contact with the inner bottom wall of the sliding channel.
In summary, the technical solution of the embodiment of the present invention has at least the following advantages and beneficial effects:
According to the variable frequency and variable voltage device disclosed by the invention, the first gear is driven to rotate through the driving component, so that the sliding block is driven to move in the sliding groove along the circumferential direction of the base, in the process, when the mounting rod passes through the mounting block, the second gear is driven to rotate through the arc-shaped groove, and then the mounting shaft is driven to rotate through the transmission component, the mounting frame can be driven to deflect along with the rotation of the mounting shaft, so that the deflection of the cooling fan is realized, the air outlet end of the cooling fan is always arranged towards the transformer body on the base, and in the working process of the transformer, the cooling fan rotates along the Zhou Xiangrao transformer body of the base in the sliding groove, so that different surfaces of the transformer body can be uniformly blown and cooled, the accumulation of heat on one side of the transformer can be effectively avoided, the protection effect on the transformer can be effectively improved, the damage caused by heat accumulation to the transformer is reduced, and the use safety and reliability of the transformer are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a cover according to an embodiment of the present invention;
Fig. 3 is a schematic diagram of an internal structure of a transformer body according to an embodiment of the invention;
FIG. 4 is a schematic view of a base structure according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a driving assembly according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a transmission assembly according to an embodiment of the present invention;
FIG. 7 is a schematic view of an explosion structure of a stopper according to an embodiment of the present invention;
fig. 8 is an enlarged view of a portion a in fig. 7;
FIG. 9 is a schematic diagram of a limiting groove according to an embodiment of the present invention;
fig. 10 is an exploded view of a dust screen according to an embodiment of the present invention.
The icons include 1, a base, 11, a transformer body, 111, a bottom plate, 112, a top plate, 113, an iron core, 114, a mounting rack, 115, windings, 116, a protection plate, 12, a cover, 121, a vent, 13, a sliding groove, 131, a sliding block, 14, a mounting rod, 15, a mounting frame, 16, a cooling fan, 2, a first gear, 21, a rack, 22, a second gear, 23, a mounting block, 24, an arc groove, 25, a tooth socket, 3, a driving component, 31, a driving motor, 32, a driving gear, 4, a mounting shaft, 41, a mounting seat, 42, a perforation, 43, a connecting rod, 5, a driving component, 51, a first driving gear, 52, a second driving gear, 53, a third driving gear, 54, a driving shaft, 6, a limiting piece, 61, a bar groove, 62, a bar block, 63, a limiting groove, 64, an elastic piece, 65, a slope, 66, a guide groove, 67, a guide block, 7, a mounting hole, 71, a dust-proof net, 72 and a fixing piece.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The present invention is described in further detail below with reference to fig. 1 to 10.
Referring to fig. 1 and 2, a variable frequency and transformer apparatus includes a base 1, a transformer body 11 is provided on the base 1, the base 1 is mainly used to provide a carrier for the transformer body 11, and the base 1 may have a substantially rectangular shape.
As an embodiment of the present invention, the transformer body 11 may be mounted on the top of the base 1 by means of bolting, wherein the transformer body 11 is used for providing functions of a variable frequency transformer known in the prior art, such as voltage conversion and current transmission.
Referring to fig. 2 and 3, the transformer body 11 includes a bottom plate 111 and a top plate 112 disposed on the bottom plate 111, two mirror-symmetrical iron cores 113 are disposed between the bottom plate 111 and the top plate 112, the iron cores 113 are E-shaped, the upper iron cores 113 are fixed to the top plate 112, the lower iron cores 113 are fixed to the bottom plate 111, the outer circumferences of the center columns of the two iron cores 113 are sleeved with a mounting frame 114, windings 115 are wound around the outer circumferences of the mounting frame 114, and protection plates 116 are sleeved around the outer circumferences of the windings 115.
It is to be understood that the structure of the transformer body 11 is not modified according to the present invention, so that the specific construction of the transformer body 11 and the working principle thereof can be described with reference to the variable frequency transformer known in the prior art, and will not be described in detail herein.
As an embodiment of the present invention, referring to fig. 1, a cover 12 is covered on a base 1, and ventilation holes 121 are formed in a peripheral wall of the cover 12, and in actual use, the cover 12 and the base 1 are connected to each other by bolts, and the ventilation holes 121 can achieve air convection inside and outside the cover 12, so as to improve the heat dissipation effect on the transformer body 11.
Referring to fig. 2 and 4, a sliding groove 13 is formed in the top of the base 1 along the circumferential direction of the base 1, a sliding block 131 is slidably arranged in the sliding groove 13, the sliding groove 13 is circumferentially arranged around the base 1, the sliding block 131 is arranged below the sliding groove 13, a mounting rod 14 (shown in fig. 6) is arranged in the vertical direction at the top of the sliding block 131, a mounting frame 15 is arranged at the top of the mounting rod 14, a cooling fan 16 is arranged on the mounting frame 15, a first gear 2 is coaxially and rotatably sleeved on the mounting rod 14, the diameter of the mounting rod 14 is smaller than the width of the top opening of the sliding groove 13, a rack 21 is fixedly arranged at the top of the base 1 along the circumferential direction of the base 1, the rack 21 is meshed with the first gear 2, the rack 21 is circumferentially arranged around the circumferential direction of the base 1, a round corner is arranged at the corner of the rack 21, and the radius of the round corner is adapted to the radius of the first gear 2.
Referring to fig. 5, a driving assembly 3 is provided on the mounting rod 14, the driving assembly 3 is used for driving the first gear 2 to rotate, as a possible embodiment of the present invention, the driving assembly 3 includes a driving motor 31 and a driving gear 32, the driving motor 31 is fixedly mounted on the sliding block 131, the driving gear 32 is coaxially and fixedly provided on an output shaft of the driving motor 31, and the driving gear 32 is engaged with the first gear 2. In the actual use, the driving motor 31 is started, the driving motor 31 drives the driving gear 32 to rotate, and then drives the first gear 2 to rotate, because the other side of the first gear 2 is meshed with the rack 21, the sliding block 131 can be driven to move in the sliding groove 13 along with the rotation of the first gear 2, and because the radius of the round angle at the corner of the rack 21 is matched with the radius of the first gear 2, the motion track of the sliding block 131 on the base 1 is a rectangular motion track, and the cooling fan 16 can be driven to do circumferential motion around the transformer body 11 along with the movement of the sliding block 131 in the sliding groove 13.
Referring to fig. 5 and 6, a second gear 22 is coaxially and rotatably sleeved on a mounting rod 14, mounting blocks 23 are fixedly arranged at four corners of a base 1, an arc-shaped groove 24 is formed in one side, close to the inside of the base 1, of each mounting block 23, tooth grooves 25 for the second gear 22 to mesh are formed in the inner wall of each groove, the radius of each arc-shaped groove 24 is mutually matched with the radius of each second gear 22, a mounting shaft 4 is arranged at the bottom of a mounting frame 15, the bottom of each mounting shaft 4 is in transmission connection with the mounting rod 14, a transmission assembly 5 is arranged on the mounting rod 14, one end of each transmission assembly 5 is in transmission connection with the corresponding second gear 22, the other end of each transmission assembly 5 is in transmission connection with the corresponding mounting shaft 4, and a limiting piece 6 is arranged on the mounting rod 14 and used for limiting the deflection angle of the corresponding mounting shaft 4.
Referring to fig. 6, a mounting seat 41 is fixedly provided at the top of the mounting rod 14, the bottom of the mounting shaft 4 is rotatably provided at the top of the mounting seat 41, the mounting seat 41 is hollow, and the transmission assembly 5 and the limiting member 6 are both provided in the mounting seat 41.
Referring to fig. 6, a through hole 42 is formed in the bottom of the mounting seat 41, the top end of the mounting rod 14 extends into the mounting seat 41 through the through hole 42, a connecting rod 43 is fixedly arranged at the top end of the mounting rod 14, and one end of the connecting rod 43 away from the mounting rod 14 is fixedly connected with the inner wall of the mounting seat 41.
Referring to fig. 6, as an embodiment of the present invention, the transmission assembly 5 includes a first transmission gear 51, a second transmission gear 52 and a third transmission gear 53, the first transmission gear 51 is coaxially and rotatably sleeved on the mounting rod 14, the first transmission gear 51 and the second gear 22 are coaxially and fixedly connected, that is, the first transmission gear 51 can synchronously rotate along with the second gear 22, a transmission shaft 54 is rotationally arranged in the mounting seat 41, an axis of the transmission shaft 54 is perpendicular to an axis of the mounting rod 14, the second transmission gear 52 is coaxially and fixedly sleeved on the transmission shaft 54, a bottom end of the mounting shaft 4 penetrates through a top wall of the mounting seat 41 and stretches into an inside of the mounting seat 41, the third transmission gear 53 is coaxially and fixedly sleeved on a bottom end of the mounting shaft 4, and the first transmission gear 51 and the third transmission gear 53 are in transmission connection through the second transmission gear 52.
Referring to fig. 6, as an embodiment of the present invention, the first transmission gear 51, the second transmission gear 52, and the third transmission gear 53 are each provided as bevel 65 bevel gears, the rotation axes of the first transmission gear 51 and the third transmission gear 53 are coaxially disposed, and the rotation axis of the second transmission gear 52 is perpendicular to the rotation axis of the first transmission gear 51.
Referring to fig. 6, as an embodiment of the present invention, two second transmission gears 52 are provided, two transmission shafts 54 are provided inside the mounting seat 41, the two transmission shafts 54 are symmetrically provided on two inner walls of the mounting seat 41 along the axis of the mounting rod 14, and the second transmission gears 52 are coaxially and fixedly connected with the transmission shafts 54 in a one-to-one correspondence.
In the actual use process, the driving motor 31 drives the driving gear 32 to rotate, and then drives the first gear 2 to rotate, along with the rotation of the first gear 2, the purpose of driving the cooling fan 16 to do circumferential motion around the transformer body 11 is achieved, in the process, when the cooling fan 16 passes through the corner of the base 1, the second gear 22 is meshed with the tooth groove 25 in the arc-shaped groove 24, along with the movement of the sliding block, the second gear 22 rotates clockwise under the action of the arc-shaped groove 24, along with the rotation of the second gear 22, the first transmission gear 51 can be driven to rotate clockwise in the mounting seat 41, and as the second transmission gear 52 is meshed with the first transmission gear 51, the third transmission gear 53 is meshed with the second transmission gear 52, and therefore, along with the clockwise rotation of the first transmission gear 51, the third transmission gear 53 can be driven to rotate anticlockwise, the third transmission gear 53 drives the mounting shaft 4 to rotate anticlockwise, and then drives the mounting frame 15 to rotate anticlockwise, along with the rotation of the mounting frame 15, the wind gap orientation of the cooling fan 16 can be adjusted, and the other side wall of the cooling fan 16 deflects 90 degrees, and the side wall of the transformer 11 is cooled.
As an embodiment of the present invention, by setting a proper meshing ratio, after the second gear 22 completely passes through the arc-shaped groove 24, the rotation angle of the second gear 22 is 90 °, at this time, because the first transmission gear 51 is coaxially and fixedly connected with the second gear 22, the rotation angle of the first transmission gear 51 is also 90 °, and the effect of the second transmission gear 52 itself is the effect of transmission and changing the rotation direction, so that, along with the clockwise rotation of the first transmission gear 51 by 90 °, at this time, the third transmission gear 53 rotates anticlockwise by 90 °, so that the wind gap of the cooling fan 16 is still set towards the transformer body 11, thereby achieving the effect of blowing, cooling and heat dissipation to the transformer body 11.
Referring to fig. 7, 8 and 9, as an embodiment of the present invention, the stopper 6 is provided as a latch, a bar groove 61 is formed on the inner wall of the mounting seat 41 along the radial direction of the transmission shaft 54, a bar block 62 is slidably provided in the bar groove 61, the stopper 6 is fixedly provided at one end of the bar block 62 away from the bar groove 61, a stopper groove 63 into which the stopper 6 is inserted is formed on the transmission shaft 54, an elastic member 64 is provided in the bar groove 61, and the elastic member 64 is used for driving the stopper 6 to move toward the inside of the stopper groove 63.
Referring to fig. 8, as an embodiment of the present invention, the elastic member 64 is provided as a compression spring, one end of the elastic member 64 is abutted against the inner wall of the bar-shaped groove 61, and the other end is abutted against the side wall of the bar-shaped block 62, and the elastic member 64 is always in a compressed state during the operation of the device.
In addition, referring to fig. 8 and 9, the notch side wall of the stopper 63 is provided as a slope 65, and the end of the stopper 6 is provided as a wedge shape that is mutually fitted with the slope 65.
In the actual use process, when the second gear 22 is not meshed with the tooth grooves 25 of the arc-shaped groove 24, the end part of the limiting piece 6 is positioned in the limiting groove 63 under the action of the elastic piece 64, and under the condition of no intervention of a large external force, the rotation of the transmission shaft 54 is limited, at this time, the second transmission gear 52 cannot deflect, so that the first transmission gear 51 and the third transmission gear 53 are in a state of being unable to deflect, and the second gear 22, the mounting shaft 4, the mounting frame 15 and the cooling fan 16 are in a state of being unable to deflect. Because the installation shaft 4, the installation frame 15 and the cooling fan 16 can not deflect, the direction of the air port of the cooling fan 16 is not deflected in the process that the sliding block 131 moves along one side line of the base 1 in the sliding groove 13, so that the air port of the cooling fan 16 always faces the transformer body 11 on the base 1, the blowing cooling heat dissipation effect of the cooling fan 16 on the transformer body 11 can be effectively guaranteed, and because the second gear 22 can not deflect, the second gear 22 can be guaranteed to be smoothly meshed with the tooth grooves 25 on the surface of the arc-shaped groove 24 when the second gear 22 enters the arc-shaped groove 24, the integral transmission precision and accuracy of the device are further improved, and the integral reliability and stability of the device in the actual use process are improved.
When the second gear 22 enters the arc-shaped groove 24 and the second gear 22 is meshed with the tooth groove 25 on the arc-shaped groove 24, the second gear 22 has a movement tendency of autorotation at the moment, the movement tendency is transferred to the first transmission gear 51, and then the second transmission gear 52 meshed with the first transmission gear 51 is transferred to the transmission shaft 54, so that the transmission shaft 54 has a movement tendency of autorotation along the axis of the transmission shaft 54, under the drive of the movement tendency, the transmission shaft 54 deflects, as the transmission shaft 54 deflects, the notch of the limit groove 63 is set to be a bevel 65, the end part of the limit piece 6 is set to be a wedge-shaped matched with the bevel 65, at the moment, the torsion force of the transmission shaft 54 is transferred to the limit piece 6 through the bevel 65, and as the limit piece 6 only has vertical displacement, the limit piece 6 moves along the radial direction of the transmission shaft 54 and finally breaks away from the limit groove 63 under the action of the transmission shaft 54, after the limit piece 6 breaks away from the limit groove 63, the transmission shaft 54 continues to deflect until the second gear 22 is completely deflected by the tooth groove 25 on the arc-shaped groove 24, the limit piece 6 falls into the limit groove 22 under the action of the limit groove 64 again under the elastic piece 64, and the limit piece is mounted in the limit groove 22 again, and cannot enter the arc-shaped groove 22 again, and the cooling state is limited by the limit piece 22 is again, and the limit piece is cooled, and the limit piece is mounted in the limit groove 24, and can be cooled, and the limit piece is cooled.
As another possible embodiment of the present invention, in order to make the limiting member 6 more conveniently separate from the limiting groove 63, a sliding layer is coated on the end of the limiting member 6, and the sliding layer may be made of polytetrafluoroethylene, so that the sliding friction force between the end of the limiting member 6 and the inclined surface 65 of the opening of the limiting groove 63 can be effectively reduced, and the relative sliding between the limiting member 6 and the inclined surface 65 of the opening of the limiting groove 63 is facilitated.
As an embodiment of the present invention, referring to fig. 7 and 9, four bar grooves 61 are uniformly formed along the circumferential direction of the transmission shaft 54, the arc angle between adjacent bar grooves 61 is set to 90 °, four limit grooves 63 are correspondingly formed, and four limit grooves 63 are correspondingly formed with the four bar grooves 61 one by one, so that a single deflection angle of the transmission shaft 54 can be ensured to be 90 °, and the deflection angle is adapted to the rotation angle of the second gear 22 and the rotation angle of the mounting frame 15.
Referring to fig. 8, a guide groove 66 is formed in the inner wall of the bar groove 61 along the length direction of the bar groove 61, a guide block 67 is slidably provided in the guide groove 66, the guide block 67 is fixedly connected with the side wall of the bar block 62, and when the limiting member 6 moves in the limiting groove 63, the limiting member 6 drives the bar block 62 to move in the bar groove 61 and further drives the guide block 67 to move in the guide groove 66, so that the movement of the bar block 62 in the bar groove 61 can be guided.
Referring to fig. 10, a plurality of mounting holes 7 are formed in a mounting frame 15, the mounting holes 7 are uniformly formed in the mounting frame 15 in the vertical direction, cooling fans 16 are arranged in each mounting hole 7, dust screens 71 are respectively arranged on side walls of the mounting frame 15, which are close to and far from the transformer body 11, and the dust screens 71 are detachably connected with the mounting frame 15, fixing pieces 72 are arranged on the dust screens 71, and the fixing pieces 72 are used for limiting positions of the dust screens 71 on the mounting frame 15.
As an embodiment of the present invention, referring to fig. 10, the fixing member 72 is configured as a fixing bolt, and dust or other impurity foreign matter in the air can be effectively prevented from adhering to the fan blades of the cooling fan 16 by the dust-proof net 71, so that the device can be ensured to have a good heat dissipation effect during long-time use.
As a possible embodiment of the present invention, balls (not shown) are embedded in the bottom of the sliding block 131, and the balls are used to make rolling contact with the inner bottom wall of the sliding groove 13. The sliding friction force between the sliding block 131 and the inner wall of the sliding groove 13 can be effectively reduced through the arrangement of the balls, so that the sliding block 131 can move in the sliding groove 13 conveniently, meanwhile, the abrasion between the sliding block 131 and the sliding groove 13 can be reduced, and the service life of the whole device is prolonged.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The variable frequency and voltage transformation equipment comprises a base (1), wherein a transformer body (11) is arranged on the base (1), the variable frequency and voltage transformation equipment is characterized in that a sliding groove (13) is formed in the base (1) along the circumferential direction of the base (1), a sliding block (131) is arranged in the sliding groove (13) in a sliding mode, a mounting rod (14) is arranged on the sliding block (131), a mounting frame (15) is arranged at the top of the mounting rod (14), a cooling fan (16) is arranged on the mounting frame (15), a first gear (2) is coaxially sleeved on the mounting rod (14) in a rotating mode, racks (21) are fixedly arranged at the top of the base (1) along the circumferential direction of the base (1), the racks (21) are meshed with the first gear (2), a driving assembly (3) is arranged on the mounting rod (14), and the driving assembly (3) is used for driving the first gear (2) to rotate.
The coaxial cover that rotates is equipped with second gear (22) on installation pole (14), fixedly is provided with installation piece (23) in the four corners department of base (1), is provided with arc recess (24) near one side of base (1) inside at installation piece (23), has offered on the inner wall of recess and has supplied tooth's socket (25) of second gear (22) meshing, is provided with installation axle (4) in the bottom of installation frame (15), the bottom of installation axle (4) is connected with the transmission between installation pole (14), is provided with drive assembly (5) on installation pole (14), the one end and the second gear (22) transmission of drive assembly (5) are connected, and the other end is connected with installation axle (4) transmission, is provided with locating part (6) on installation pole (14), locating part (6) are used for prescribing a limit to the deflection angle of installation axle (4).
2. The variable frequency and variable voltage device according to claim 1, wherein the driving assembly (3) comprises a driving motor (31) and a driving gear (32), the driving motor (31) is fixedly arranged on a sliding block (131), the driving gear (32) is coaxially and fixedly arranged on an output shaft of the driving motor (31), the driving gear (32) is meshed with the first gear (2), a mounting seat (41) is fixedly arranged at the top of the mounting rod (14), the bottom of the mounting shaft (4) is rotatably arranged at the top of the mounting seat (41), the mounting seat (41) is hollow, the transmission assembly (5) is arranged in the mounting seat (41), and the limiting piece (6) is arranged in the mounting seat (41).
3. The variable frequency and variable voltage device according to claim 2, wherein the transmission assembly (5) comprises a first transmission gear (51), a second transmission gear (52) and a third transmission gear (53), the first transmission gear (51) is coaxially and rotatably sleeved on the installation rod (14), the first transmission gear (51) is coaxially and fixedly connected with the second gear (22), a transmission shaft (54) is rotatably arranged in the installation seat (41), the axis of the transmission shaft (54) is mutually perpendicular to the axis of the installation rod (14), the second transmission gear (52) is coaxially and fixedly sleeved on the transmission shaft (54), the bottom end of the installation shaft (4) penetrates through the top wall of the installation seat (41) to extend into the installation seat (41), the third transmission gear (53) is coaxially and fixedly sleeved on the bottom end of the installation shaft (4), and the first transmission gear (51) and the third transmission gear (53) are in transmission connection through the second transmission gear (52).
4. A variable frequency and voltage device as set forth in claim 3 wherein said second driving gears (52) are provided with two, said driving shafts (54) are provided with two, said two driving shafts (54) are symmetrically arranged inside said mounting base (41) along the axis of said mounting rod (14), said second driving gears (52) are coaxially and fixedly connected with said driving shafts (54) in one-to-one correspondence.
5. The variable frequency and vary voltage equipment of claim 4, wherein the limiting piece (6) is a bolt, a bar-shaped groove (61) is formed in the inner wall of the mounting seat (41) along the radial direction of the transmission shaft (54), a bar-shaped block (62) is arranged in the bar-shaped groove (61) in a sliding mode, the limiting piece (6) is fixedly arranged at one end, far away from the bar-shaped groove (61), of the bar-shaped block (62), a limiting groove (63) for inserting the limiting piece (6) is formed in the transmission shaft (54), an elastic piece (64) is arranged in the bar-shaped groove (61), the elastic piece (64) is used for driving the limiting piece (6) to move towards the limiting groove (63), the notch side wall of the limiting groove (63) is provided with an inclined surface (65), and the end portion of the limiting piece (6) is provided with a wedge shape which is mutually matched with the inclined surface (65).
6. The variable frequency and vary voltage equipment of claim 5, wherein the strip-shaped grooves (61) are uniformly formed in four along the circumferential direction of the transmission shaft (54), the radian angles between every two adjacent strip-shaped grooves (61) are set to be 90 degrees, and the limit grooves (63) are arranged in one-to-one correspondence with the strip-shaped grooves (61).
7. The variable frequency and voltage device as set forth in claim 2, wherein a through hole (42) is formed in the bottom of the mounting base (41), the top end of the mounting rod (14) extends into the mounting base (41) through the through hole (42), a connecting rod (43) is fixedly arranged at the top end of the mounting rod (14), and one end of the connecting rod (43) far away from the mounting rod (14) is fixedly connected with the inner wall of the mounting base (41).
8. A variable frequency and transforming device as claimed in claim 1, characterized in that a plurality of mounting holes (7) are formed in the mounting frame (15), the mounting holes (7) are uniformly formed in the mounting frame (15) along the vertical direction, cooling fans (16) are arranged in each mounting hole (7), dust screens (71) are respectively covered on the side walls of the mounting frame (15) close to and far away from the transformer body (11), the dust screens (71) are detachably connected with the mounting frame (15), fixing pieces (72) are arranged on the dust screens (71), and the fixing pieces (72) are used for limiting the positions of the dust screens (71) on the mounting frame (15).
9. The variable frequency and voltage device as set forth in claim 1, wherein the transformer body (11) comprises a bottom plate (111) and a top plate (112) arranged on the bottom plate (111), two iron cores (113) in mirror symmetry are arranged between the bottom plate (111) and the top plate (112), a mounting frame (114) is sleeved on the periphery of a center column of the two iron cores (113), a winding (115) is wound on the periphery of the mounting frame (114), a protection plate (116) is sleeved on the periphery of the winding (115), a cover body (12) is covered on the base (1), and ventilation holes (121) are formed in the peripheral wall of the cover body (12).
10. A variable frequency and voltage device as claimed in claim 1, characterized in that balls are embedded in the bottom of the sliding block (131) for rolling contact with the inner bottom wall of the sliding groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411930290.XA CN119381119B (en) | 2024-12-26 | 2024-12-26 | Variable frequency and voltage transformation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411930290.XA CN119381119B (en) | 2024-12-26 | 2024-12-26 | Variable frequency and voltage transformation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119381119A true CN119381119A (en) | 2025-01-28 |
| CN119381119B CN119381119B (en) | 2025-04-08 |
Family
ID=94338250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411930290.XA Active CN119381119B (en) | 2024-12-26 | 2024-12-26 | Variable frequency and voltage transformation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119381119B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204631763U (en) * | 2015-05-18 | 2015-09-09 | 宜春学院 | Computer case cooling device |
| CN207542032U (en) * | 2017-12-02 | 2018-06-26 | 江苏九天电气设备有限公司 | A kind of cooling device of dry-type transformer |
| CN207649438U (en) * | 2017-10-18 | 2018-07-24 | 建湖县裕祥机械制造有限公司 | A kind of radiator applied to petroleum machinery |
| CN215265841U (en) * | 2021-03-16 | 2021-12-21 | 永州安登利电子有限公司 | High-efficient heat dissipation type dry-type transformer |
| CN114447808A (en) * | 2022-01-07 | 2022-05-06 | 常州创捷电气科技有限公司 | Multifunctional electrical cabinet and use method thereof |
| CN217405237U (en) * | 2022-05-10 | 2022-09-09 | 山东信诺电力工程有限公司 | Energy-saving operation device of transformer |
| CN119170383A (en) * | 2024-11-25 | 2024-12-20 | 广安领创华财电子科技有限公司 | A high frequency transformer |
-
2024
- 2024-12-26 CN CN202411930290.XA patent/CN119381119B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204631763U (en) * | 2015-05-18 | 2015-09-09 | 宜春学院 | Computer case cooling device |
| CN207649438U (en) * | 2017-10-18 | 2018-07-24 | 建湖县裕祥机械制造有限公司 | A kind of radiator applied to petroleum machinery |
| CN207542032U (en) * | 2017-12-02 | 2018-06-26 | 江苏九天电气设备有限公司 | A kind of cooling device of dry-type transformer |
| CN215265841U (en) * | 2021-03-16 | 2021-12-21 | 永州安登利电子有限公司 | High-efficient heat dissipation type dry-type transformer |
| CN114447808A (en) * | 2022-01-07 | 2022-05-06 | 常州创捷电气科技有限公司 | Multifunctional electrical cabinet and use method thereof |
| CN217405237U (en) * | 2022-05-10 | 2022-09-09 | 山东信诺电力工程有限公司 | Energy-saving operation device of transformer |
| CN119170383A (en) * | 2024-11-25 | 2024-12-20 | 广安领创华财电子科技有限公司 | A high frequency transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119381119B (en) | 2025-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113157057A (en) | Dustproof heat dissipation type computer box | |
| CN217486015U (en) | Primary and secondary fusion complete set of ring cages | |
| CN119381119B (en) | Variable frequency and voltage transformation equipment | |
| CN215646498U (en) | Magnetic suspension motor casing of high security performance | |
| US20070048125A1 (en) | Rotary structure of a heat dissipating fan | |
| CN221306369U (en) | Modularized machine room | |
| CN117307506A (en) | Fans and electronic equipment | |
| CN220491281U (en) | Heat radiation structure of server | |
| CN118711944A (en) | An energy-saving and environmentally friendly high heat dissipation transformer | |
| CN213122837U (en) | Artificial intelligence application service software development terminal | |
| CN212724904U (en) | Transformer temperature control heat dissipation device | |
| CN212231988U (en) | Dampproofing ventilation electrical control cabinet | |
| CN211930041U (en) | Electric power cabinet that heat dispersion is good | |
| CN113078772A (en) | Energy-conserving magnetic suspension motor that radiating effect is good | |
| CN220235318U (en) | Power supply internal heat dissipation control system | |
| LU503978B1 (en) | A general installation device for big data server | |
| CN222146032U (en) | An operating mechanism for a circuit breaker in an inflatable cabinet | |
| CN208284868U (en) | A kind of power distribution cabinet aeration structure | |
| CN222600680U (en) | Outdoor high-voltage combined transformer | |
| CN217642295U (en) | Electrical engineering and switch cabinet for automation thereof | |
| CN219498678U (en) | Draw-out type low-voltage switch cabinet | |
| CN220274120U (en) | A heat dissipation device and communication equipment | |
| CN119852875B (en) | Power box for power engineering | |
| CN221929518U (en) | Large-lead self-locking-free electric push rod | |
| CN216700799U (en) | Intelligent heat dissipation electric cabinet for miniature wind power equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |