CN212967366U - Transformer structure - Google Patents

Abstract

The utility model provides a be applied to the transformer structure of electrical apparatus technical field, female row (1) of transformer structure include a plurality ofly, every female row (1) includes a plurality of female row plate (2), female row plate (2) set up to the structure of being made by red copper plate, set up inside baffle (3) between every two adjacent female rows (1), inside baffle (3) both sides set up the arch respectively, form space portion through the arch between inside baffle (3) and the adjacent female row (1), one side outside sets up an outside baffle (4), the other side outside sets up another outside baffle (4), outside baffle (4) are close to female row (1) one side and set up the arch, form space portion through the arch between every outside baffle (4) and the adjacent female row (1), the utility model discloses a transformer structure, the radiating effect when improving female row work, the problem of skin effect is solved, the problems of strong speciality of silk-covered wire and complex operation process are solved, and the safety of personnel is protected.

Description

Transformer structure

Technical Field

The utility model belongs to the technical field of electrical components, more specifically say, relate to a transformer structure.

Background

With the development of science and technology, transformers have been widely used in microwave sources of all-solid-state modulators, pulse modulators, particle accelerators, radar transmitters, and security and flaw detection equipment. The power of electronic components is higher and higher, the volume tends to be miniaturized increasingly, in order to meet the required electrical parameters, the connection of the boosting and rectifying output of the transformer is more important, the common scheme in the prior art is to adopt thick copper plate connection and wire-covered wire connection, and the problem of heat dissipation caused by skin effect of the thick copper plate connection is not perfectly solved so far; the silk covered wire connection process is too troublesome, needs professional personnel to operate, has strong specialization, has high requirements on individuals and poor heat dissipation effect, and can cause serious consequences on a machine once a problem occurs in the working process.

Technical scheme among the prior art adopts thick copper plate as the wire of connecting the heavy current, because the copper is as a whole, and the current distribution of inside in the copper is inhomogeneous, and the electric current concentrates on the apparent thin layer of copper, and the nearer the copper surface, current density is bigger, and the inside electric current is less in fact of copper, makes the resistance of copper increase as a result for the loss power of copper also increases thereupon, simply just it is that the heavy current is walked from the copper surface and not walked inside the copper, causes the inside heat generation of copper seriously and still can not lose heat. There is no good solution to the skin effect. And the common silk covered wire is connected, 6 or more large currents are needed, for example, 6 in the SEDQAJ-0.1 multiplied by 2500 polyester silk covered wire example, each silk is very thick, multiple strands of glue are needed to be bonded together, then a tin pot is used for tin plating, then a proper soldering lug is needed to be selected to be soldered with the silk covered wire, the technological processes can be completed by very professional operators, the requirements on the operators are high, the operation process is complicated, and the cost is too high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the transformer structure is simple in structure, the structure of the busbar and the connection mode of the busbar and other parts are improved, so that the heat dissipation effect of the busbar during working is improved, the skin effect problem is effectively solved, meanwhile, the problems of strong specificity, complex operation process and high cost of a filament-covered wire can be solved, the overall performance of the transformer is improved, the use safety performance of electrical elements is improved, and the safety of personnel is protected.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to a transformer structure, including female arranging, female arranging include a plurality ofly, every female row includes a plurality of female plate of arranging, female plate of arranging sets up the structure of being made by red copper plate, set up inside baffle between per two adjacent female arranging, inside baffle both sides set up the arch respectively, form the space portion through the arch between inside baffle and the adjacent female arranging, one side outside sets up an outside baffle, the opposite side outside sets up another outside baffle, the outside baffle is close to female arranging one side and sets up the arch, form the space portion through the arch between every outside baffle and the adjacent female arranging, still set up input and output on female arranging.

Every female board of arranging of transformer structure on set up a plurality of insulated holes I respectively, set up the insulated hole II that corresponds with insulated hole I position and quantity on the inside baffle, set up the insulated hole III that corresponds with insulated hole I position and quantity on the baffle of the outside.

A plurality of female arranging, inside baffle, the outside baffle of transformer structure constitute the stack and arrange, the female lower part that arranges that the stack is connected with filter capacitor I, filter capacitor I is connected with the radiator, the radiator lower part sets up a plurality of fans, the fan sets up to the structure that can be located I below position of filter capacitor.

And each busbar side of the transformer structure is provided with a plurality of filter capacitors II respectively.

The transformer structure further comprises bolts, and each bolt penetrates through the insulation hole I, the insulation hole II and the insulation hole III of the corresponding busbar 1 in sequence to realize the fixed connection of the busbar.

The transformer structure is characterized in that a rectifier bridge and a surface mount type temperature detection probe 15 are arranged on a busbar, the surface mount type temperature detection probe is connected with an instrument amplifier, the instrument amplifier is connected with a voltage follower, and the voltage follower is connected with an AD converter of a DSP.

The thickness of the red copper plate of the busbar of the transformer structure is controlled between 0.15mm and 0.3 mm.

The busbar of the transformer structure is also provided with an insulated gate bipolar transistor, and the radiator is of a structure capable of aligning the insulated gate bipolar transistor and the rectifier bridge.

The inner partition plate and the outer partition plate of the busbar of the transformer structure are both made of epoxy glass cloth laminated boards of high-strength insulating plates.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

transformer structure, improve female structure of arranging, every female row is formed by the red copper panel of polylith stack layer upon layer respectively, such structure, at transformer during operation, same electric current, female surface of arranging has increased several times, can effectively solve skin effect. The wood arrangement is formed by stacking red copper plates layer by layer, so that special processes such as welding and the like are not needed, the assembly process difficulty is reduced, the operation difficulty and the requirements of personnel are greatly reduced, and the like. Meanwhile, the connection method of the bus bar and the separator and other components is improved, so that a gap part is formed between the bus bar and the adjacent separator (inner separator and outer separator). When the transformer works, the existence of the gap part not only increases the heat dissipation area of the busbar, but also ensures that the wind energy of the fan can reliably blow through the gap part, thereby playing the role of forced heat dissipation and effectively ensuring that the temperature of the busbar is in the set temperature range. Therefore, the mother row is ensured to work in a suitable temperature environment, and the service life of the mother row is prolonged. Transformer structure, simple structure improves through the structure of arranging mother and the connected mode rather than other parts, improves the radiating effect of arranging the during operation of mother, effectively solves skin effect problem, can solve simultaneously that silk envelope curve is strong in speciality, operation technology is loaded down with trivial details, problem that the cost is too high improves transformer wholeness ability, improves electrical components safety in utilization performance, protection personal safety.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic structural view of a transformer structure according to the present invention;

fig. 2 is a schematic side view of the transformer structure according to the present invention;

fig. 3 is a schematic top view of the transformer structure according to the present invention;

fig. 4 is an explosion structure diagram of the superposed busbar of the transformer structure according to the present invention;

in the drawings, the reference numbers are respectively: 1. a busbar; 2. a busbar plate; 3. an internal partition; 4. an outer spacer; 5. An input end; 6. an output end; 7. superposing the busbars; 8. a filter capacitor I; 9. a heat sink; 10. a fan; 11. A filter capacitor II; 12. an insulated gate bipolar transistor; 13. a bolt; 14. a rectifier bridge; 15. a patch type temperature detection probe.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in fig. 1-fig. 4, the utility model relates to a transformer structure, including female 1 of arranging, female 1 of arranging include a plurality ofly, every female 1 of arranging includes a plurality of female plate 2 of arranging, female plate 2 of arranging sets up the structure of making into by red copper plate, every two adjacent female arranging set up inside baffle 3 between 1, inside baffle 3 both sides set up the arch respectively, inside baffle 3 and adjacent female arranging form the space portion through the arch between 1, one side outside sets up an outside baffle 4, the opposite side outside sets up another outside baffle 4, outside baffle 4 is close to female 1 one side of arranging and sets up the arch, form the space portion through the arch between every outside baffle 4 and the adjacent female arranging 1, female arranging still to set up input 5 and output 6 on 1. Above-mentioned structure improves female structure of arranging, and every is arranged and is formed by the stack layer upon layer of polylith red copper panel respectively, and such structure, when the transformer during operation, same electric current, female surface of arranging has increased several times, can effectively solve the skin effect. The wood arrangement is formed by stacking red copper plates layer by layer, so that special processes such as welding and the like are not needed, the assembly process difficulty is reduced, the operation difficulty and the requirements of personnel are greatly reduced, and the like. Meanwhile, the connection method of the bus bar and the separator and other members is also improved so that a gap portion is formed between the bus bar and the adjacent separator (inner separator and outer separator). Therefore, when the transformer works, the existence of the gap part not only increases the heat dissipation area of the busbar, but also ensures that the wind energy of the fan can reliably blow through the gap part, thereby playing the role of forced heat dissipation and effectively ensuring that the temperature of the busbar is in the set temperature range. Therefore, the mother row is ensured to work in a suitable temperature environment, and the service life of the mother row is prolonged. Transformer structure, through the structure to female arranging and improve rather than the connected mode of other parts to improve the radiating effect of female row during operation, effectively solve skin effect problem, can solve simultaneously that silk envelope curve is strong in specificity, the operation technology is loaded down with trivial details, problem that the cost is too high improves transformer wholeness ability, improves electrical components safety in utilization performance, protection personal safety.

Every female board 2 of arranging 1 of every of transformer structure on set up a plurality of insulation hole I respectively, set up the insulation hole II that corresponds with insulation hole I position and quantity on the inside baffle 3, set up the insulation hole III that corresponds with insulation hole I position and quantity on the baffle 4 in the outside.

A plurality of female 1, the inside baffle 3 of arranging, the outer baffle 4 of transformer structure constitute the female 7 that arrange that superposes, the female 7 lower part that arranges that superposes is connected with filter capacitor I8, filter capacitor I8 is connected with radiator 9, radiator 9 lower part sets up a plurality of fans 10, fan 10 sets up to the structure that can be located filter capacitor I8 below position. According to the structure, in the working process, the fan continuously runs, and the forced air cooling is utilized to take away a part of heat on the busbar and the device. And the radiator is arranged at the joint of the busbar and the heating element IGBT and the rectifier bridge, so that the heat radiation effect of the busbar can be improved. And a liquid cooling circulation system is arranged in the radiator, so that the heat dissipation capacity of the busbar is greatly enhanced.

And the side surface of each busbar 1 of the transformer structure is respectively provided with a plurality of filter capacitors II 11. The transformer structure still include bolt 13, every bolt 13 passes insulating hole I, insulating hole II, the insulating hole III that corresponds female arranging 1 in proper order and realizes this female fixed connection who arranges 1. Above-mentioned structure, the bolt realizes the connection of a plurality of female arranging, connects reliably, connects moreover and dismantles the convenience.

The transformer structure is characterized in that a rectifier bridge 14 and a surface mount type temperature detection probe 15 are arranged on a busbar 1, the surface mount type temperature detection probe 15 is connected with an instrument amplifier, the instrument amplifier is connected with a voltage follower, and the voltage follower is connected with an AD converter of a DSP. According to the structure, the bus bar is provided with the patch type temperature detection probe as a temperature signal sampling component, a signal of patch type temperature detection forms a temperature measurement signal through the instrument amplifier, then the isolation signal conversion is formed by the linear optocoupler, and the formed reliable analog measurement signal is sent to the AD converter of the DSP through the voltage follower formed by the rail-to-rail operational amplifier to form each temperature measurement. Therefore, the temperature of the core devices such as the busbar and the Insulated Gate Bipolar Transistor (IGBT) can be detected conveniently and accurately in real time, the temperature of the busbar can be detected safely and efficiently in real time, and the system can monitor and protect the normal operation of the system in real time. And the structure among the prior art, female arranging does not have real-time detection equipment, arranges the temperature with tools such as handheld temperature measuring gun measurement female, and the measuring result is decided by staff's proficiency, and measuring position and distance have a big influence to measuring accuracy, and the operation is not very convenient, and is inefficient, fragile, still electrified work, if misoperation has the influence of the personal safety of operating personnel too much.

The thickness of the red copper plate of the busbar 1 of the transformer structure is controlled between 0.15mm and 0.3 mm. An insulated gate bipolar transistor 12 is further arranged on the busbar 1 of the transformer structure, and the radiator 9 is arranged to be capable of aligning with the insulated gate bipolar transistor 12 and the rectifier bridge 14. By the structure, the radiator at the specific position can effectively play a role in heat dissipation.

The inner partition plate 3 and the outer partition plate 4 of the busbar 1 of the transformer structure are both made of epoxy glass cloth laminated boards of high-strength insulating plates. The EPGC201 can be used for the inner separator 3 and the outer separator 4. The separator made of such a material has extremely high mechanical strength and stable dielectric properties under high humidity, and is suitable as a material for separators.

The transformer structure, the main function is rectification and contravariant. The bus bar is provided with low frequency and high frequency of capacitor filtering, the rectifier bridge inverts three-phase alternating current into direct current, the IGBT (insulated gate bipolar transistor) inverts the direct current into alternating current, and the rectifier bridge is provided with a filter capacitor to eliminate interference. A plurality of mounting holes can be designed according to actual need to input and output, and it is very convenient to be connected with the device, and easy operation can accomplish quick assembly disassembly, does not influence the production progress. The front face of the busbar is provided with the warning mark and the high-voltage danger mark, so that workers and maintenance personnel can be reminded very conveniently and obviously, and the safety of the personnel is protected better. The bus bars are arranged in a layer-by-layer overlapping mode, the skin effect can be well solved, the current is the same, the outer surface of each bus bar is increased by multiple times, and the reliable reduction effect on the temperature of each bus bar is achieved. Therefore, the heat dissipation requirement of the busbar in a high-current and high-power state can be met, and the busbar can also stably work under the high-current and high-power conditions.

The transformer structure of the utility model has simple structure, and can realize fast heat dissipation and fast disassembly and assembly under the conditions of high power and large current; the heat dissipation effect can be enhanced by adding the fan; the heat radiator is added to help the busbar radiate heat; a liquid cooling circulation system is arranged in the radiator to increase the radiating strength; the front side is provided with a warning mark and a high-voltage danger mark, so that workers and maintenance personnel can be reminded very conveniently and obviously, and the safety of the personnel is protected better. The multilayer superposition of the busbar can solve the problem of skin effect and the problems of strong speciality of silk-covered wire, complex operation process and high cost; a gap part is left between the busbar and the partition plate, so that the heat dissipation area can be increased, and forced air cooling can be performed to achieve the best heat dissipation effect. A patch type temperature detection probe is added, the temperature of the busbar is detected safely and efficiently in real time, and the system can be monitored and protected in real time during normal operation.

Transformer structure, improve female structure of arranging, every female row is formed by the red copper panel of polylith stack layer upon layer respectively, such structure, at transformer during operation, same electric current, female surface of arranging has increased several times, can effectively solve skin effect. The wood arrangement is formed by stacking red copper plates layer by layer, so that special processes such as welding and the like are not needed, the assembly process difficulty is reduced, the operation difficulty and the requirements of personnel are greatly reduced, and the like. Meanwhile, the connection method of the bus bar and the separator and other components is improved, so that a gap part is formed between the bus bar and the adjacent separator (inner separator and outer separator). When the transformer works, the existence of the gap part not only increases the heat dissipation area of the busbar, but also ensures that the wind energy of the fan can reliably blow through the gap part, thereby playing the role of forced heat dissipation and effectively ensuring that the temperature of the busbar is in the set temperature range. Therefore, the mother row is ensured to work in a suitable temperature environment, and the service life of the mother row is prolonged. Transformer structure, simple structure improves through the structure of arranging mother and the connected mode rather than other parts, improves the radiating effect of arranging the during operation of mother, effectively solves skin effect problem, can solve simultaneously that silk envelope curve is strong in speciality, operation technology is loaded down with trivial details, problem that the cost is too high improves transformer wholeness ability, improves electrical components safety in utilization performance, protection personal safety.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims (9)

1. A transformer structure, characterized by: including female arranging (1), female arranging (1) including a plurality ofly, every female arranging (1) includes a plurality of female plate (2) of arranging, female plate (2) of arranging sets up the structure of making into by the red copper plate, set up inside baffle (3) between every two adjacent female arranging (1), inside baffle (3) both sides set up the arch respectively, form the space portion through the arch between inside baffle (3) and the adjacent female arranging (1), one side outside sets up one outside baffle (4), the opposite side outside sets up another outside baffle (4), outside baffle (4) are close to female arranging (1) one side and set up the arch, form the space portion through the arch between every outside baffle (4) and the adjacent female arranging (1), still set up input (5) and output (6) on female arranging (1).

2. The transformer structure of claim 1, wherein: every female board (2) of arranging (1) of every of transformer structure on set up a plurality of insulation hole I respectively, set up insulation hole II that corresponds with insulation hole I position and quantity on inside baffle (3), set up the insulation hole III that corresponds with insulation hole I position and quantity on outside baffle (4).

3. The transformer structure according to claim 1 or 2, characterized in that: a plurality of female arranging (1), inside baffle (3), outside baffle (4) of transformer structure constitute the stack and arrange (7) female, the stack is arranged female (7) lower part and is connected with filter capacitor I (8), filter capacitor I (8) are connected with radiator (9), radiator (9) lower part sets up a plurality of fans (10), fan (10) set up to the structure that can be located filter capacitor I (8) below position.

4. The transformer structure according to claim 1 or 2, characterized in that: and the side surface of each busbar (1) of the transformer structure is respectively provided with a plurality of filter capacitors II (11).

5. The transformer structure of claim 2, wherein: the transformer structure further comprises bolts (13), and each bolt (13) penetrates through an insulation hole I, an insulation hole II and an insulation hole III of the corresponding busbar (1) in sequence to realize the fixed connection of the busbar (1).

6. The transformer structure according to claim 1 or 2, characterized in that: the transformer structure is characterized in that a rectifier bridge (14) and a surface mount type temperature detection probe (15) are arranged on a busbar (1) of the transformer structure, the surface mount type temperature detection probe (15) is connected with an instrument amplifier, the instrument amplifier is connected with a voltage follower, and the voltage follower is connected with an AD converter of a DSP.

7. The transformer structure according to claim 1 or 2, characterized in that: the thickness of the red copper plate of the busbar (1) of the transformer structure is controlled between 0.15mm and 0.3 mm.

8. The transformer structure of claim 6, wherein: the transformer structure is characterized in that an insulated gate bipolar transistor (12) is further arranged on the busbar (1), and the radiator (9) is arranged to be capable of aligning to the insulated gate bipolar transistor (12) and the rectifier bridge (14).

9. The transformer structure according to claim 1 or 2, characterized in that: the inner partition plate (3) and the outer partition plate (4) of the busbar (1) of the transformer structure are both made of epoxy glass cloth laminated plates of high-strength insulating plates.

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