Power transformer based on triple protection structure

By designing a power transformer with a triple protection structure, including clamping, circuit protection, and heat dissipation functions, the overheating problem caused by power transformer overload is solved, achieving safe protection and extended lifespan of the transformer.

CN224020569UActive Publication Date: 2026-03-20ANHUI JINHUAN ELECTRIC EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing power transformers lack protective structures, and long-term overload can lead to overheating, aging of insulation materials, and potential faults such as short circuits and burnout.

Method used

A power transformer based on a triple protection structure is designed, including a protective shell, a circuit protection mechanism, a temperature sensing element, and a heat dissipation mechanism. The transformer is fixed by a clamping mechanism, the current and voltage sensing element detects the current and voltage, the temperature sensing element detects the temperature, and the power is cut off and heat is dissipated in case of overload or overheating.

Benefits of technology

It provides triple protection for the power transformer, preventing damage caused by overload, extending service life, and reducing the occurrence of faults.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a power transformer based on a triple protection structure, which comprises a protective shell, a supporting mechanism arranged in the protective shell, a sliding plate used for placing and taking the transformer, a sealing plate used for sealing the rear end of the protective shell, and a driving piece used for driving to complete power failure between the power transformer and external equipment, the current and voltage sensing part is used for detecting output current and voltage of the power transformer, the temperature sensing part is used for sensing the temperature of the power transformer, and the heat dissipation part is used for dissipating heat in the protective shell. According to the power transformer based on the triple protection structure, the power transformer can be fixed to the sliding plate through the clamping mechanism, the sliding plate is fixed into the protection shell through the fixing mechanism, and pins of the power transformer are inserted into the circuit connecting piece; the current, the voltage and the temperature of the transformer are sensed through the current and voltage sensing part and the temperature sensing part respectively, power failure and heat dissipation can be conducted in time, and the triple protection effect is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of power transformer design technology, and in particular to a power transformer based on a triple protection structure. Background Technology

[0002] Power transformers are used in almost all electronic products. While their principle is simple, the winding process varies depending on the application. The main functions of a transformer include: voltage transformation; impedance transformation; isolation; and voltage stabilization (magnetic saturation transformer). Common transformer core shapes are E-type and C-type cores.

[0003] Although power transformers typically have a certain overload capacity, if they operate beyond their rated capacity for an extended period, it can lead to overheating, accelerated aging of insulation materials, shortened transformer lifespan, and may even cause faults such as short circuits and burnout. Existing transformers do not have protective structures.

[0004] Therefore, it is necessary to provide a power transformer based on a triple protection structure to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides a power transformer based on a triple protection structure, which solves the problem that existing transformers do not have a protection structure.

[0006] To solve the above-mentioned technical problems, this utility model provides a power transformer based on a triple protection structure, comprising: a protective shell, wherein a support mechanism is provided inside the protective shell, the support mechanism includes a sliding plate and a sealing plate, the sliding plate is used for placing and removing the transformer, and the sealing plate is used for sealing the rear end of the protective shell;

[0007] A circuit protection mechanism, comprising a driving component and a current and voltage sensing component, wherein the driving component is used to drive the power transformer to disconnect the power supply from external equipment, and the current and voltage sensing component is used to detect the output current and voltage of the power transformer.

[0008] A temperature sensor, used to sense the temperature of a power transformer;

[0009] A heat dissipation mechanism, comprising a heat dissipation component for dissipating heat from the interior of the protective shell.

[0010] Preferably, the surface of the sealing plate is provided with a fixing mechanism, the fixing mechanism includes an elastic member and a first fixing member, and the two ends of the protective shell are connected to second fixing members. The elastic member is used to pull the first fixing member to connect with the second fixing member. The connection between the first fixing member and the second fixing member is used to connect and fix the protective shell and the sealing plate.

[0011] Preferably, the surface of the sliding plate is provided with a clamping mechanism, the clamping mechanism including a distance adjusting member and a clamping member, the distance adjusting member being used to adjust the distance between the two clamping members, and the clamping member being used to clamp and fix the power transformer to the surface of the sliding plate.

[0012] Preferably, the surface of the protective shell is connected to a first connector and a current and voltage sensing component. The first connector is used to connect the transmission, and the circuit connector is used to connect the power transformer to external equipment.

[0013] Preferably, the surface of the protective shell is connected to heat dissipation holes, which provide a channel for heat dissipation from inside the protective shell.

[0014] Preferably, the outer surface of the protective shell is provided with a shock-absorbing component, which includes a shock-absorbing element, a support element, and a third fixing element. The shock-absorbing element is used to absorb shocks from the protective shell, the support element is used to support the connection with external equipment, and the third fixing element is used to fix the support element to the external equipment.

[0015] Compared with related technologies, the power transformer based on a triple protection structure provided by this utility model has the following beneficial effects:

[0016] This utility model provides a power transformer based on a triple protection structure. The power transformer can be fixed on a sliding plate by a clamping mechanism, and the sliding plate is fixed inside the protective shell by a fixing mechanism. The power transformer pins are inserted into the circuit connector. The transformer current, voltage and temperature are sensed by current and voltage sensing components and temperature sensing components, which can promptly cut off power and dissipate heat, thereby achieving the function of triple protection. Attached Figure Description

[0017] Figure 1 A schematic diagram of the first embodiment of a power transformer based on a triple protection structure provided by this utility model;

[0018] Figure 2 for Figure 1 The diagram shows the structure of the sliding plate moving out of the protective shell.

[0019] Figure 3 for Figure 1 The diagram shows a cross-sectional view of the top of the protective shell.

[0020] Figure 4 This is a schematic diagram of the second embodiment of a power transformer based on a triple protection structure provided by this utility model.

[0021] Numbered in the diagram: 1. Protective casing

[0022] 2. Support mechanism; 21. Sliding plate; 22. Sealing plate.

[0023] 3. Fixing mechanism; 31. Elastic component; 32. First fixing component; 33. Second fixing component.

[0024] 4. Clamping mechanism; 41. Distance adjustment component; 42. Clamping component;

[0025] 5. Circuit protection mechanism; 51. Driving component; 52. First connecting component; 53. Current and voltage sensing component; 54. Circuit connecting component.

[0026] 6. Temperature sensing element,

[0027] 7. Heat dissipation mechanism; 71. Heat sink component; 72. Heat dissipation holes.

[0028] 8. Vibration damping components; 81. Vibration damping parts; 82. Support components; 83. Third fixing components. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0030] First Embodiment

[0031] Please refer to the following: Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic diagram of the first embodiment of a power transformer based on a triple protection structure provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the sliding plate moving out of the protective shell. Figure 3 for Figure 1 The diagram shows a cross-sectional view of the top of the protective casing. A power transformer based on a triple protection structure includes: a protective casing 1, with a support mechanism 2 inside the protective casing 1. The support mechanism 2 includes a sliding plate 21 and a sealing plate 22. The sliding plate 21 is used for placing and removing the transformer, and the sealing plate 22 is used for sealing the rear end of the protective casing 1.

[0032] The circuit protection mechanism 5 includes a driving component 51 and a current and voltage sensing component 53. The driving component 51 is used to drive the power transformer to disconnect the power supply from the external equipment, and the current and voltage sensing component 53 is used to detect the output current and voltage of the power transformer.

[0033] Temperature sensor 6, the temperature sensor 6 being used to sense the temperature of the power transformer;

[0034] The heat dissipation mechanism 7 includes a heat dissipation component 71, which is used to dissipate heat from the inside of the protective shell 1.

[0035] The protective shell 1 is square in shape and can be made of steel, aluminum alloy, or plastic, preferably plastic. The supporting mechanism 2 facilitates the installation of the transformer inside the protective shell 1 and provides support. The sliding plate 21 is sized to fit inside the protective shell 1 and has many heat dissipation holes on its surface. The sealing plate 22 is the same size as its rear end. The sliding plate 21 can be made of steel, aluminum alloy, or plastic, preferably plastic. The circuit protection mechanism 5 facilitates the connection of the transformer pins to external devices and can cut off power when the current and voltage are too high. The actuator 51 can be an electric telescopic rod, a hydraulic telescopic rod, or a pneumatic telescopic rod, preferably an electric telescopic rod. There are two actuators 51, which are fixedly connected to the surface of the first connector 52. The surface of the first connector 52 is equipped with multiple current and voltage sensing components 53, which can be electromagnetic current and voltage transformers or electronic current and voltage transformers, preferably electromagnetic current and voltage transformers. The temperature sensing component 6 can be a resistance temperature sensor or an infrared temperature sensor, preferably a resistance temperature sensor. It is connected to the bottom of the transformer through the temperature sensing component 6 and can sense the temperature of the transformer in real time.

[0036] The surface of the sealing plate 22 is provided with a fixing mechanism 3, which includes an elastic member 31 and a first fixing member 32. The two ends of the protective shell 1 are connected with second fixing members 33. The elastic member 31 is used to pull the first fixing member 32 to connect with the second fixing member 33. The connection between the first fixing member 32 and the second fixing member 33 is used to connect and fix the protective shell 1 and the sealing plate 22.

[0037] The function of the fixing mechanism 3 is to connect and fix the protective shell 1 and the support mechanism 2. There are two fixing mechanisms 3. The elastic element 31 can be a spring slide rod, a spring telescopic rod, or an elastic block, etc., preferably a spring slide rod. The sealing plate 22 has a groove on the outer surface near the left and right ends. The two elastic elements 31 are respectively connected to the inside of the two grooves. The elastic element 31 is L-shaped. One end of the two elastic elements 31 is fixedly connected to the surface of the two elastic elements 31. The other end of the two first fixing elements 32 has a groove. The two second fixing elements 33 are round and are respectively fixedly connected to the outer surface of the left and right ends near the rear end of the protective shell 1. When the sealing plate 22 is connected to the rear end of the protective shell 1, under the pull of the spring in the elastic element 31, the other end of the two first fixing elements 32 is respectively sleeved on the surface of the two second fixing elements 33, thereby realizing the fixed connection between the protective shell 1 and the sealing plate 22. The sliding plate 21 is fixed inside the protective shell 1.

[0038] The surface of the sliding plate 21 is provided with a clamping mechanism 4, which includes a distance adjusting member 41 and a clamping member 42. The distance adjusting member 41 is used to adjust the distance between the two clamping members 42, and the clamping member 42 is used to clamp and fix the power transformer on the surface of the sliding plate 21.

[0039] The function of the clamping mechanism 4 is to clamp and fix the transformer on the sliding plate 21. The distance adjustment member 41 can be a bidirectional threaded rod, an electric telescopic rod, or a hydraulic rod, etc., preferably a bidirectional threaded rod. There are two clamping members 42. The bottoms of the two clamping members 42 are respectively threaded to the distance adjustment member 41 through the surface of the sliding plate 21. Thus, when the distance adjustment member 41 is rotated, the two clamping members 42 can move towards each other or relative to each other, thereby fixing the transformer on the sliding plate 21.

[0040] The surface of the protective shell 1 is connected to a first connector 52 and a current and voltage sensing component 53. The first connector 52 is used to connect the transmission, and the circuit connector 54 is used to connect the power transformer to the external equipment.

[0041] The bottom of the first connector 52 is connected to the two driving components 51, and multiple current and voltage sensing components 53 and circuit connectors 54 are connected to its surface. The current and voltage sensing components 53 and circuit connectors 54 are connected one-to-one. The pins on the transformer can be inserted into the interior of the corresponding circuit connectors 54 through the first connector 52, and then the connection point is connected to one end of the circuit connector 54 embedded outside the protective shell 1, thus realizing the path between the transformer and the external equipment. Each current and voltage sensing component 53 senses the current and voltage of each pin and the connecting wire in real time. When the current and voltage are too large, the driving component 51 pushes the first connector 52 to move forward, the pins are disengaged from the interior of the circuit connectors 54, the transformer is disconnected from the external equipment, and the protection function is achieved.

[0042] The surface of the protective shell 1 is connected to heat dissipation holes 72, which provide a channel for heat dissipation inside the protective shell 1.

[0043] The heat sink 71 can be an air-cooled radiator, a water-cooled radiator, or a fan, preferably a fan. The temperature of the transformer is sensed by the temperature sensor 6. When the temperature is too high, the heat sink 71 can be activated to draw a large amount of external air into the protective shell 1, thereby accelerating the dissipation of heat from the transformer surface.

[0044] The working principle of the power transformer based on a triple protection structure provided by this utility model is as follows:

[0045] When placing the power transformer inside the protective housing 1, first pull the two first fixing members 32 outwards, causing one end of each first fixing member 32 to detach from the surface of the two second fixing members 33. Then pull outwards until the sliding plate 21 completely slides out of the protective housing 1. Then, place the transformer pins with one end facing the first connector 52 and the other end connected to the surface of the sealing plate 22 on top of the sliding plate 21. Then rotate the distance adjustment member 41 to move the two clamping members 42 relative to each other until the two clamping members 42 are connected to the left and right ends of the transformer, clamping and fixing the transformer. Then pull the two first fixing members 32 outwards and push the sealing plate 22 to slide the sliding plate 21 into the protective housing 1, and insert the pins into the corresponding circuit connectors 54 until they are sealed. The sealing plate 22 is connected to the rear end of the protective shell 1. When the first fixing member 32 is loosened, under the force of the elastic member 31, the two first fixing members 32 are respectively fitted onto the surfaces of the two second fixing members 33. When the transformer temperature is too high, the temperature sensing member 6 senses and sends a signal to control the heat dissipation member 71 to start. The heat dissipation member 71 draws external air into the protective shell 1. After the air absorbs the heat from the transformer surface, it is dissipated through the sliding plate 21 and the heat dissipation hole 72, which accelerates the dissipation of heat inside the protective shell 1. When the current and voltage of the power transformer are too high, the current and voltage sensing member 53 senses and sends a signal to control the driving member 51 to start and push the first connecting member 52 to drive the circuit connecting member 54 to slide outward, so that the circuit connecting member 54 is disconnected from the pin, thereby realizing the power-off of the protector.

[0046] Compared with related technologies, the power transformer based on a triple protection structure provided by this utility model has the following beneficial effects:

[0047] This utility model provides a power transformer based on a triple protection structure. The power transformer can be fixed on the sliding plate 21 by the clamping mechanism 4, and the sliding plate 21 can be fixed inside the protective shell 1 by the fixing mechanism 3. The power transformer pins are inserted into the circuit connector 54. The transformer current, voltage and temperature are sensed by the current and voltage sensing component 53 and the temperature sensing component 6, respectively, so that the power can be cut off and heat dissipated in time, thereby achieving the triple protection function.

[0048] Second Embodiment

[0049] Please refer to the following: Figure 4 Based on the power transformer with a triple protection structure provided in the first embodiment of this application, the second embodiment of this application proposes another power transformer with a triple protection structure. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0050] Specifically, the second embodiment of this application provides a power transformer based on a triple protection structure, which differs in that the outer surface of the protective shell 1 is provided with a shock-absorbing component 8. The shock-absorbing component 8 includes a shock-absorbing element 81, a support element 82, and a third fixing element 83. The shock-absorbing element 81 is used to dampen the shock of the protective shell 1, the support element 82 is used to support the connection with external equipment, and the third fixing element 83 is used to fix the support element 82 to the external equipment.

[0051] The number of shock-absorbing components 8 is four. The four shock-absorbing components 81 are respectively installed on the left and right ends of the protective shell 1. The shock-absorbing components 81 can be spring shock absorbers, hydraulic shock absorbers, and pneumatic shock absorbers, etc., preferably spring shock absorbers. When the protective shell 1 is subjected to vibration or impact, the spring first deforms and absorbs part of the energy. At the same time, the damper generates damping force, which hinders the rapid rebound of the spring and causes the vibration energy to be gradually dissipated, thereby achieving the purpose of shock absorption.

[0052] The working principle of the power transformer based on a triple protection structure provided by this utility model is as follows:

[0053] First, the protective shell 1 is placed on the equipment. Then, the third fixing member 83 passes through the inside of the support member 82 and is threaded into the inside of the equipment, thereby fixing the support member 82 to the surface of the equipment. When the protective shell 1 is impacted, the protective shell 1 shakes up and down, causing the shock absorber 81 to deform. After absorbing some energy, it generates damping force, which dissipates the vibration energy component, thereby achieving shock absorption.

[0054] Compared with related technologies, the power transformer based on a triple protection structure provided by this utility model has the following beneficial effects:

[0055] This utility model provides a power transformer based on a triple protection structure. The protective shell 1 can be fixed to an external device by the third fixing member 83. When the protective shell 1 is impacted, the shock absorber 81 can reduce the vibration of the protective shell 1, thereby reducing the phenomenon of transformer damage caused by vibration.

[0056] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A power transformer based on a triple protection structure, characterized in that, include: A protective shell, the interior of which is provided with a support mechanism, the support mechanism including a sliding plate and a sealing plate, the sliding plate being used for placing and removing the transformer, and the sealing plate being used for sealing the rear end of the protective shell; A circuit protection mechanism, comprising a driving component and a current and voltage sensing component, wherein the driving component is used to drive the power transformer to disconnect the power supply from external equipment, and the current and voltage sensing component is used to detect the output current and voltage of the power transformer. A temperature sensor, used to sense the temperature of a power transformer; A heat dissipation mechanism, comprising a heat dissipation component for dissipating heat from the interior of the protective shell.

2. A power transformer based on a triple protection structure according to claim 1, characterized in that, The surface of the sealing plate is provided with a fixing mechanism, which includes an elastic element and a first fixing element. The two ends of the protective shell are connected to second fixing elements. The elastic element is used to pull the first fixing element to connect with the second fixing element. The connection between the first fixing element and the second fixing element is used to connect and fix the protective shell and the sealing plate.

3. A power transformer based on a triple protection structure according to claim 1, characterized in that, The surface of the sliding plate is provided with a clamping mechanism, which includes a distance adjustment component and a clamping component. The distance adjustment component is used to adjust the distance between the two clamping components, and the clamping component is used to clamp and fix the power transformer to the surface of the sliding plate.

4. A power transformer based on a triple protection structure according to claim 1, characterized in that, The protective shell has a first connector and a current and voltage sensing component connected to its surface. The first connector is used to connect the transmission, and the circuit connector is used to connect the power transformer to external equipment.

5. A power transformer based on a triple protection structure according to claim 1, characterized in that, The surface of the protective shell is connected to heat dissipation holes, which provide a channel for heat to dissipate from the inside of the protective shell.

6. A power transformer based on a triple protection structure according to claim 1, characterized in that, The outer surface of the protective shell is provided with a shock-absorbing component, which includes a shock-absorbing element, a support element, and a third fixing element. The shock-absorbing element is used to absorb shocks from the protective shell, the support element is used to support the connection with external equipment, and the third fixing element is used to fix the support element to the external equipment.