CN220324259U - Push-pull type transformer - Google Patents
Push-pull type transformer Download PDFInfo
- Publication number
- CN220324259U CN220324259U CN202321133316.9U CN202321133316U CN220324259U CN 220324259 U CN220324259 U CN 220324259U CN 202321133316 U CN202321133316 U CN 202321133316U CN 220324259 U CN220324259 U CN 220324259U
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- heat dissipation
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- piston rod
- coil
- opening
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a push-pull type transformer, which comprises a box body and a PCB circuit main board arranged in the box body, wherein pins, a first coil, a second coil and a capacitor element are arranged on the PCB circuit main board, a heat dissipation mechanism comprises a cylinder and a piston assembly which are arranged in the box body, a piston cavity is arranged in the cylinder, the piston cavity is connected with heat dissipation parts of the first coil and the second coil through heat conduction pieces, the piston assembly comprises a piston rod arranged on the cylinder, a heat dissipation opening is arranged on the box body, a moving plate is covered on the heat dissipation opening and is connected with the piston rod through a transmission assembly, and the moving plate is driven by the piston rod and the transmission assembly to have a heat dissipation state for opening the heat dissipation opening and a closing state for closing the heat dissipation opening. According to the push-pull type transformer provided by the utility model, when the inside of the box body is at a high temperature, the radiating effect can be improved, and when the inside of the box body is at a low temperature, the elements in the box body can be protected.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a push-pull type transformer.
Background
The bidirectional DC converter is widely applied to occasions such as a DC uninterrupted power supply system, a space power supply system, an electric automobile and the like. More and more bidirectional DC converters are also proposed, and isolated bidirectional DC converters have forward, flyback, push-pull, bridge topologies, etc. Different topologies correspond to different applications, each having its advantages and disadvantages. The push-pull full-bridge bidirectional direct current converter is formed by full-bridge topology and full-wave rectification. The push-pull side is of a current type, the input is supplied by a storage battery, the full-bridge side is of a voltage type, and the input is connected to a direct-current high-voltage bus. The bidirectional DC converter topology is suitable for occasions with larger voltage transmission and higher transmission power.
The existing push-pull type transformer is realized by using an electronic circuit board (PCB) copper wire for replacing a mode, and manual winding is needed, so that high production consistency and reliability are kept, for example, the push-pull type transformer based on the electronic circuit board (PCB) is named as a push-pull type transformer with an authorized bulletin number of CN211265158U, an authorized bulletin date of 2020, 8 months and 14 days, and comprises a transformer shell, a PCB board arranged in the transformer shell, a first coil arranged on the upper end face of the PCB board, a plurality of coils arranged on the middle layer, a second coil arranged on the lower end face of the PCB board, and a first magnetic core clamped with the upper end face of the PCB board; the first controller is arranged on the upper end face of the PCB board; the first diode is arranged on the upper end face of the PCB, the second controller is arranged on the lower end face of the PCB, and the second diode is arranged on the lower end face of the PCB; and the capacitors are arranged on the upper end face and the lower end face of the PCB.
The push-pull type transformer based on the electronic circuit board PCB comprises a transformer main body box, wherein a PCB circuit main board is arranged in the transformer main body box, an integrated magnetic core is arranged at the top of the PCB circuit main board, a first prefabricated coil is arranged on the outer side of the integrated magnetic core, a second prefabricated coil is arranged on one side, close to the first prefabricated coil, of the PCB circuit main board, a metal radiating fin is arranged at the bottom of the PCB circuit main board, and a radiating hole is formed in the outer wall of the transformer main body box.
The push-pull transformer can generate a lot of heat in the operation process, and the heat dissipation effect of the push-pull transformer provided by the prior patent application is poor, so that the coils and other elements on the PCB circuit main board are in a high-temperature state, and the damage is easy to cause.
Disclosure of Invention
The object of the present utility model is to provide a push-pull transformer which solves the above-mentioned drawbacks of the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a push-pull type transformer, includes the box and sets up PCB circuit mainboard in the box, be provided with pin, first coil, second coil and capacitive element on the PCB circuit mainboard, still include heat dissipation mechanism, heat dissipation mechanism is including installing cylinder and the piston subassembly in the box, be provided with the piston chamber in the cylinder, the piston chamber pass through the heat-conducting piece with the radiating portion of first coil and second coil is connected, the piston subassembly is including installing piston rod on the cylinder, be provided with the heat dissipation opening on the box, the heat dissipation opening is last to be covered with the kinematic plate, the kinematic plate pass through drive assembly with the piston rod is connected, the kinematic plate is accepted the drive of piston rod and drive assembly has and opens the heat dissipation opening's heat dissipation state and is closed the off state of heat dissipation opening.
The push-pull type transformer comprises a plurality of strip-shaped openings arranged at the top of the box body, and the strip-shaped openings are sequentially arranged at intervals along the width or length direction of the box body.
In the push-pull transformer, the moving plate is provided with the opening parts with the same size as the strip-shaped openings, strip-shaped sealing parts are formed between the opening parts, the strip-shaped sealing parts correspond to the strip-shaped openings in the closed state, and the opening parts correspond to the strip-shaped openings in the heat dissipation state.
According to the push-pull transformer, the moving plate is provided with the sliding strip, the inner wall of the box body is provided with the sliding groove, and the sliding strip is in sliding connection with the sliding groove.
The push-pull transformer further comprises an elastic piece, wherein the elastic piece is arranged in the sliding groove, and the elastic piece is blocked on the sliding stroke of the sliding strip along the sliding groove.
The push-pull type transformer comprises the transmission assembly, wherein the transmission assembly comprises a connecting steel wire rope and a mounting pulley, the mounting pulley is arranged on the piston rod, one end of the connecting steel wire rope is fixedly connected to the cylinder, and the other end of the connecting steel wire rope penetrates through the mounting pulley and then is fixedly connected with the moving plate.
According to the push-pull type transformer, the end, far away from the cylinder seat, of the piston rod is provided with the heat dissipation plate, and the installation pulley is arranged on the heat dissipation plate.
In the push-pull transformer, the heat radiating fins are arranged on the box body, the heat conducting connecting plates are arranged in the box body and are connected with the heat radiating fins, and in the heat radiating state, the heat radiating plates are in contact with the heat conducting connecting plates.
In the push-pull type transformer, at least two heat dissipation openings are provided, each heat dissipation opening is provided with one moving plate, and each moving plate is connected with the piston rod through a transmission assembly.
In the above technical scheme, the utility model provides a push-pull type transformer, which comprises a box body, and a PCB circuit main board and a heat dissipation mechanism which are arranged in the box body, wherein a heat dissipation opening is arranged on the box body, a moving plate is arranged on the heat dissipation opening, and the moving plate can control the heat dissipation opening to switch between a closed state and a heat dissipation state.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of a push-pull transformer according to an embodiment of the present utility model;
FIG. 2 is a second schematic diagram of a push-pull transformer according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a heat dissipation mechanism according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a case according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a sports board according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a case; 11. a heat dissipation opening; 12. a strip-shaped opening; 13. a heat radiation fin; 14. a thermally conductive connecting plate; 2. a PCB circuit motherboard; 21. a first coil; 22. a second coil; 23. pins; 3. a cylinder; 31. a piston chamber; 4. a piston assembly; 41. a piston rod; 42. a heat dissipation plate; 5. a motion plate; 51. a sliding bar; 52. an opening portion; 53. an elastic member; 6. a transmission assembly; 61. connecting a steel wire rope; 62. and (5) installing a pulley.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, an embodiment of the present utility model provides a push-pull transformer, including a case 1, a PCB circuit board 2 disposed in the case 1, and a heat dissipation mechanism, wherein a pin 23, a first coil 21, a second coil 22, and a capacitor element are disposed on the PCB circuit board 2, the heat dissipation mechanism includes a cylinder 3 and a piston assembly 4 mounted in the case 1, a piston chamber 31 is disposed in the cylinder 3, the piston chamber 31 is connected to heat dissipation parts of the first coil 21 and the second coil 22 through a heat conduction member, the piston assembly 4 includes a piston rod 41 mounted on the cylinder 3, a heat dissipation opening 11 is disposed on the case 1, a moving plate 5 is covered on the heat dissipation opening 11, the moving plate 5 is connected to the piston rod 41 through a transmission assembly 6, and the moving plate 5 receives driving of the piston rod 41 and the transmission assembly 6 to have a heat dissipation state of opening the heat dissipation opening 11 and a closing state of closing the heat dissipation opening 11.
Specifically, the first coil 21 and the second coil 22 include an integral magnetic core and a coil disposed on the magnetic core, the capacitor device and the pin 23 are set according to needs, other elements such as a patch diode are further disposed on the PCB circuit motherboard 2, which is not described in detail in the prior art, compared with the prior art, the heat dissipation opening 11 is disposed on the case 1, the heat dissipation opening 11 may be a strip-shaped opening or a heat dissipation hole, a heat dissipation mechanism is disposed in the case 1, the heat dissipation mechanism can correspondingly drive and adjust the state of the heat dissipation opening 11 according to the temperature in the case 1, when the temperature in the case 1 is higher, the heat dissipation mechanism enables the heat dissipation opening 11 to be in a heat dissipation state, at this time, the heat dissipation opening 11 is opened, the heat dissipation effect is improved, when the temperature in the case 1 is reduced to be lower, the heat dissipation mechanism can drive the heat dissipation opening 11 to be in a closed state, and protection of the elements such as the first coil 21, the second coil 22 and the capacitor in the case 1 can be realized.
In this embodiment, the heat dissipation mechanism includes the cylinder 3 and installs the piston subassembly 4 on the cylinder 3, the box 1 includes mounting plate and sets up the installation shell on mounting plate, cylinder 3 and PCB circuit mainboard 2 are all installed on mounting plate, the inside of cylinder 3 is provided with piston chamber 31, store the gas in the piston chamber 31, piston subassembly 4 includes piston and piston rod 41, cylinder 3 is connected with heating element such as first coil 21, second coil 22 through the heat-conducting piece, if after heating element such as first coil 21, second coil 22 produced heat, cylinder 3 is heated thereby makes the gaseous thermal expansion in the piston chamber 31, drive piston and piston rod 41 move.
In this embodiment, the heat dissipation opening 11 on the case 1 may be a strip-shaped opening or a heat dissipation hole formed on the case 1, the moving plate 5 is slidably disposed inside the case 1, the transmission assembly 6 is disposed between the moving plate 5 and the piston rod 41 to implement transmission between the piston rod 41 and the moving plate 5, so in the use process, in an initial state, the moving plate 5 covers the heat dissipation opening 11, and thus the heat dissipation opening 11 is closed, when the first coil 21, the second coil 22 and other heating elements in the case 1 generate heat, the cylinder 3 is heated, so that the gas in the piston cavity 31 is heated and expanded, the piston and the piston rod 41 are driven to move, the piston rod 41 correspondingly drives the moving plate 5 to move through the transmission assembly 6, the heat dissipation opening 11 is opened by the moving plate 5, thereby improving the heat dissipation effect, and when the temperature in the case 1 is reduced, the gas in the piston cavity 31 is contracted, so that the piston rod 41 is reversely moved, and the heat dissipation opening 11 is closed by the movement of the moving plate 5 through the transmission assembly 6.
The embodiment of the utility model provides a push-pull type transformer, which comprises a box body 1, a PCB circuit main board 2 and a heat dissipation mechanism which are arranged in the box body 1, wherein a heat dissipation opening 11 is arranged on the box body 1, a moving plate 5 is arranged on the heat dissipation opening 11, and the moving plate 5 can control the heat dissipation opening 11 to switch between a closed state and a heat dissipation state, so that in the use process, when the temperature in the box body 1 reaches a preset value, a piston rod 41 moves to enable the moving plate 5 to move to a second working position through a transmission assembly 6, the heat dissipation opening 11 is in a heat dissipation state, the heat dissipation effect of the box body 1 is improved, the high temperature condition in the box body 1 is avoided, the damage to a first coil 21, a second coil 22 and a capacitor element is avoided, after the temperature in the box body 1 is reduced, the piston rod 41 moves to enable the moving plate 5 to move to the first working position through the transmission assembly 6, and the moving plate 5 enables the heat dissipation opening 11 to be in the closed state, dust and other impurities are prevented from entering the box body 1, and the first coil 21, the second coil 22 and the capacitor element in the box body 1 are protected.
In this embodiment, preferably, the heat dissipation opening 11 includes a plurality of strip-shaped openings 12 disposed at the top of the case 1, the plurality of strip-shaped openings 12 are sequentially disposed at intervals along the width or length direction of the case 1, the moving plate 5 is provided with opening portions 52 having the same size as the strip-shaped openings 12, and strip-shaped sealing portions between the opening portions 52, the size of the strip-shaped sealing portions is larger than that of the opening portions 52, in the closed state, the strip-shaped sealing portions correspond to the strip-shaped openings 12, at this time, each strip-shaped sealing portion respectively closes each strip-shaped opening 12, in the heat dissipation state, the opening portions 52 correspond to the strip-shaped openings 12, at this time, each opening portion 52 corresponds to the strip-shaped opening 12 one by one, so that each strip-shaped opening 12 is opened.
In this embodiment, preferably, the moving plate 5 is provided with a sliding strip 51, a sliding groove is provided on the inner wall of the case 1, the sliding strip 51 is slidably connected in the sliding groove, an elastic member 53 is provided in the sliding groove, the elastic member 53 is blocked on the sliding travel of the sliding strip 51 along the sliding groove, the elastic member 53 may be a spring, the elastic member 53 is configured such that when the elastic member 53 is in an initial state, each strip-shaped sealing portion closes each strip-shaped opening 12, and when the piston rod 41 moves to drive the moving plate 5 to move, the sliding strip 51 moves along the sliding groove to press the elastic member 53 against the elasticity, so that when the gas in the piston chamber 31 contracts to make the piston rod 41 move in a reverse direction, the moving plate 5 can be driven to the initial state by the driving of the elastic member 53.
In this embodiment, preferably, the transmission assembly 6 includes a connection wire rope 61 and a mounting pulley 62, the mounting pulley 62 is disposed on the piston rod 41, one end of the connection wire rope 61 is fixedly connected to the cylinder 3, and the other end of the connection wire rope 61 passes through the mounting pulley 62 and is fixedly connected to the moving plate 5; the connecting steel wire rope 61 is divided into two sections by the installation pulley 62, a first section is arranged between the moving plate 5 and the installation pulley 62, a second section is arranged between the installation sliding and the air cylinder 3, when the air cylinder 3 is heated, air in the piston cavity 31 is heated and expanded to drive the piston and the piston rod 41 to move, the length of the second section is increased, the length of the first section is reduced, the connecting steel wire rope 61 pulls the moving plate 5 to move to press the elastic piece 53, otherwise, after the temperature in the box body 1 is reduced, the air in the piston cavity 31 is contracted to enable the piston rod 41 to reversely move, the length of the second section is reduced, and the moving plate 5 is driven by the elasticity of the elastic piece 53 to move to an initial state, and the length of the second section is increased to the initial state.
In this embodiment, preferably, a heat dissipation plate 42 is disposed at one end of the piston rod 41 away from the cylinder 3, the installation pulley 62 is disposed on the heat dissipation plate 42, the heat dissipation fins 13 are disposed on the case 1, the heat conduction connection plate 14 is disposed inside the case 1, the heat conduction connection plate 14 is connected with each heat dissipation fin 13, and in a heat dissipation state, the heat dissipation plate 42 is in contact with the heat conduction connection plate 14; the heat dissipation effect of the box body 1 can be improved through the heat dissipation fins 13 and the heat conduction connecting plate 14, when the temperature in the box body 1 does not exceed a preset value, the piston rod 41 does not move, when the temperature exceeds the preset value, the piston rod 41 moves, so that the moving plate 5 opens the strip-shaped opening 12, and the heat dissipation plate 42 positioned in the box body 1 is in direct contact with the heat conduction connecting plate 14 at the moment, so that the heating elements such as the first coil 21 and the second coil 22 in the box body 1 are directly communicated with the heat conduction connecting plate 14 and the heat dissipation fins 13 through the air cylinder 3, the piston rod 41 and the heat dissipation plate 42, and the heat dissipation effect is improved.
In this embodiment, preferably, there are at least two heat dissipation openings 11, each heat dissipation opening 11 is provided with a moving plate 5, and each moving plate 5 is connected with the piston rod 41 through the transmission assembly 6; the movement of the piston rod 41 can enable each moving plate 5 to synchronously move through the transmission assembly 6, so that each heat dissipation opening 11 can be in a heat dissipation state or a closed state at the same time.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (9)
1. The utility model provides a push-pull transformer, includes the box and sets up PCB circuit mainboard in the box, be provided with pin, first coil, second coil and capacitive element on the PCB circuit mainboard, its characterized in that still includes heat dissipation mechanism, heat dissipation mechanism is including installing cylinder and the piston assembly in the box, be provided with the piston chamber in the cylinder, the piston chamber pass through the heat-conducting piece with the radiating portion of first coil and second coil is connected, the piston assembly is including installing piston rod on the cylinder, be provided with the heat dissipation opening on the box, the heat dissipation opening is last to be covered with the kinematic plate, the kinematic plate accept through drive assembly with the piston rod is connected, the drive of kinematic plate piston rod and drive assembly has to open the radiating state of heat dissipation opening and close the off state of heat dissipation opening.
2. The push-pull transformer of claim 1, wherein the heat dissipation opening comprises a plurality of strip-shaped openings arranged at the top of the case, and the plurality of strip-shaped openings are sequentially arranged at intervals along the width or length direction of the case.
3. The push-pull transformer according to claim 2, wherein the moving plate is provided with openings of the same size as the bar-shaped openings, and a bar-shaped sealing portion is formed between the openings, the bar-shaped sealing portion corresponding to the bar-shaped openings in the closed state, and the opening corresponding to the bar-shaped openings in the heat dissipation state.
4. A push-pull transformer according to claim 3, wherein the moving plate is provided with a sliding bar, and the inner wall of the case is provided with a sliding groove, and the sliding bar is slidably connected in the sliding groove.
5. The push-pull transformer of claim 4 further comprising a resilient member disposed within the sliding groove, the resilient member blocking a sliding travel of the sliding bar along the sliding groove.
6. The push-pull transformer according to claim 1, wherein the transmission assembly comprises a connection wire rope and a mounting pulley, the mounting pulley is arranged on the piston rod, one end of the connection wire rope is fixedly connected to the cylinder, and the other end of the connection wire rope passes through the mounting pulley and is fixedly connected with the moving plate.
7. The push-pull transformer of claim 6 wherein the end of the piston rod remote from the cylinder block is provided with a heat sink on which the mounting pulley is disposed.
8. The push-pull transformer of claim 7 wherein heat sink fins are disposed on the housing, a thermally conductive connecting plate is disposed inside the housing, the thermally conductive connecting plate is connected to each of the heat sink fins, and in the heat dissipation state, the heat dissipation plate is in contact with the thermally conductive connecting plate.
9. The push-pull transformer according to claim 1, wherein at least two heat dissipation openings are provided, one of the moving plates is disposed on each heat dissipation opening, and each moving plate is connected to the piston rod through a transmission assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321133316.9U CN220324259U (en) | 2023-05-11 | 2023-05-11 | Push-pull type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321133316.9U CN220324259U (en) | 2023-05-11 | 2023-05-11 | Push-pull type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324259U true CN220324259U (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321133316.9U Active CN220324259U (en) | 2023-05-11 | 2023-05-11 | Push-pull type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118589382A (en) * | 2024-08-06 | 2024-09-03 | 大航有能电气有限公司 | Bus duct with temperature self-adaptive adjusting function and assembling method thereof |
-
2023
- 2023-05-11 CN CN202321133316.9U patent/CN220324259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118589382A (en) * | 2024-08-06 | 2024-09-03 | 大航有能电气有限公司 | Bus duct with temperature self-adaptive adjusting function and assembling method thereof |
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