CN209843454U - Cold source assembly and high-power transformer using same - Google Patents

Abstract

The utility model provides a cold source subassembly and use high-power transformer of this cold source subassembly, includes the cavity, is equipped with the fan that an induced air direction deviates from the cavity in one side of cavity, is equipped with a radiator in the cavity, the radiator sets up with the fan is adjacent, is equipped with a refrigeration body that is used for supplying cold to the radiator at the opposite side that the radiator deviates from the fan, the refrigeration body is the electric refrigeration body, the electric refrigeration body includes electric refrigeration body heat portion and electric refrigeration body cold portion, electric refrigeration body hot side and radiator butt setting. The high-power transformer adopts the matching arrangement of the thermal electric body and the electric cooling body, so that a local lower temperature can be provided under the condition of reducing the energy consumption as far as possible, the lower temperature passes through the heat radiator, the heat radiator can adopt a fin structure and the like, and the temperature of the heat radiator is transmitted to the outside through the fan, so that enough cold energy supply is brought to the high-power transformer, particularly the transformer above 110 kV.

Description

Cold source assembly and high-power transformer using same

Technical Field

The application relates to a cold source component and a high-power transformer using the same.

Background

The cooling system is one of the important components of the transformer, and has the function of dissipating heat generated during the operation of the transformer to keep the temperature of the transformer within a reasonable range, thereby ensuring the safe and stable operation of the transformer. The cooling system mainly plays a cooling function under the operation of the fan, and the fan is also a main energy consumption device of the cooling system. Because the existing fan directly adopts forced wind to blow directly, the function and the efficacy of the fan need to be assisted by the temperature of the outside air, if the outside temperature is higher, the cooling effect is poor, so that a lot of unnecessary energy consumption can be caused, and the economic benefit and the environmental protection are both adversely affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the application provides a cold source component and a high-power transformer using the cold source component, and on one hand, the cold source component comprises a cavity, wherein a fan with an induced air direction deviating from the cavity is arranged on one side of the cavity, a heat radiation body is arranged in the cavity and is adjacent to the fan, a refrigerating body for supplying cold to the heat radiation body is arranged on the other side of the heat radiation body deviating from the fan, the refrigerating body is an electric refrigerating body, the electric refrigerating body comprises an electric refrigerating body heat part and an electric refrigerating body cold part, the electric refrigerating body heat surface is abutted to the heat radiation body, a thermal electric body is further arranged in the cavity, and the thermal electric body is arranged on one side of the electric refrigerating body far away from the fan; the thermoelectric body comprises a thermoelectric body heating part and a thermoelectric body cooling part, and the thermoelectric body heating part is arranged towards the electric cooling body heating part. The high-power transformer adopts the matching arrangement of the thermal electric body and the electric cooling body, so that a local lower temperature can be provided under the condition of reducing the energy consumption as far as possible, the lower temperature passes through the heat radiator, the heat radiator can adopt a fin structure and the like, and the temperature of the heat radiator is transmitted to the outside through the fan, so that enough cold energy supply is brought to the high-power transformer, particularly the transformer above 110 kV. The patent paper-Gushining-thermoelectric refrigerating device [ J ]. Low temperature engineering, 1983, (4 th) describes the technology of electric refrigerating as a mature technology. How to improve the operation efficiency of the TEG generator to reduce the failure rate of equipment [ J ] in electronic manufacturing, 2017, (stage 1) is also described in detail in thermotropic electricity, Liulusheng, Li Changwo.

Preferably, the thermoelectric module further comprises a heat conducting portion, wherein the heat conducting portion is arranged between the electric refrigerator and the thermoelectric body.

Preferably, the heat conducting portion is disposed in contact with each of the electric refrigerator and the thermoelectric body. The balance and rapidity of heat conduction between the two are improved.

Preferably, an external protection body is arranged outside the cavity body and at a position corresponding to the pyroelectric body. The heat pipe can isolate the transmission of external heat to the inside and can play a certain protection role.

Preferably, the solar water heater further comprises a rechargeable power supply, and the rechargeable power supply is respectively connected with the thermoelectric body and the electric cooling body.

Preferably, the rechargeable power supply is arranged in the cavity or the outer protective body.

Preferably, a plurality of external connecting rods are arranged outside the cavity, and a plurality of vent holes are formed in the external connecting rods.

On the other hand, the high-power transformer utilizing the cold source components comprises a transformer main body, wherein a protection shell is arranged outside the transformer main body, and a plurality of cold source components are arranged on the protection shell. Because the cold source subassembly can provide the air current that the temperature is lower, consequently adopt this kind of structure can be no matter be forced ventilation or natural convection ventilation's the condition, as long as enter into the protective housing through this cold source subassembly, can both play the effect of better cooling.

Preferably, the protective shell is further provided with a plurality of air outlets, and a forced ventilation mechanism is arranged outside the cold source assembly.

Preferably, the forced ventilation mechanism is an exhaust fan which generates wind direction towards the inside of the protective shell.

This application can bring following beneficial effect:

1. the thermoelectric body and the electric cooling body are matched, so that a local lower temperature can be provided under the condition of reducing energy consumption as much as possible, the lower temperature passes through the heat dissipation body, the heat dissipation body can adopt a fin structure and the like, and the temperature of the heat dissipation body is transmitted to the outside through the fan;

2. the outer protection body has the functions of isolating the transmission of external heat to the inside and playing a certain protection role;

3. this application is because the cold source subassembly can provide the lower air current of temperature, consequently adopts this kind of structure can be no matter be forced draft or natural convection ventilation's the condition under, as long as enter into the protective housing through this cold source subassembly internal, can both play the effect of better cooling, and the high-power transformer substation more than the specially adapted 110kv can comparatively obvious reduction its inside temperature.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic diagram of the application of the present invention to a high power transformer.

Detailed Description

In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in the drawings, the following detailed description is given by way of example in order to more clearly explain the overall concept of the present application.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In a first embodiment, as shown in fig. 1-2, a cold source assembly includes a cavity 1, a fan 2 having an air inducing direction deviating from the cavity 1 is disposed on one side of the cavity 1, a heat sink 3 is disposed in the cavity 1, the heat sink 3 is disposed adjacent to the fan 2, a cooling body for supplying cold to the heat sink 3 is disposed on the other side of the heat sink 3 deviating from the fan 2, the cooling body is an electric cooling body 4, the electric cooling body 4 includes an electric cooling body heating portion 5 and an electric cooling body cooling portion 6, a hot surface of the electric cooling body 4 is abutted to the heat sink 3, a thermal electric body 7 is further disposed in the cavity 1, and the thermal electric body 7 is disposed on one side of the electric cooling body 4 away from the fan 2; the thermoelectrics 7 comprise a thermoelectrics hot part 8 and a thermoelectrics cold part 9, and the thermoelectrics hot part 8 is arranged towards the electric refrigerator hot part 5. The thermoelectric body 7 and the electric refrigerating body 4 are matched, so that a local lower temperature can be provided under the condition of reducing energy consumption as much as possible, the lower temperature passes through the heat radiator 3, the heat radiator 3 can adopt a fin structure and the like, and the temperature of the heat radiator 3 is transmitted to the outside through the fan 2. Further comprising a heat conducting portion 10, said heat conducting portion 10 being arranged between the electroluminescent body 4 and the pyroelectric body 7. The heat conducting portion 10 is disposed in contact with the electric refrigerator 4 and the thermoelectric element 7, respectively. The balance and rapidity of heat conduction between the two are improved. An outer protective body 11 is arranged outside the cavity 1 and at a position corresponding to the pyroelectric body 7. The heat pipe can isolate the transmission of external heat to the inside and can play a certain protection role. And the solar energy refrigerator also comprises a rechargeable power supply which is respectively connected with the thermoelectric body 7 and the electric refrigerating body 4. The rechargeable power supply 12 is arranged in the cavity 1 or the outer protective body 11. A plurality of external connecting rods are arranged outside the cavity 1, and a plurality of air holes are arranged on the external connecting rods.

In a second embodiment, a high power transformer using a heat sink assembly includes a transformer body, a protective casing 14 is disposed outside the transformer body, and a plurality of heat sink assemblies are disposed on the protective casing 14. Because the cold source component can provide air flow with lower temperature, the structure can play a better role in cooling under the condition of forced ventilation or natural convection ventilation as long as the air flow enters the protective shell 14 through the cold source component. A plurality of air outlet holes are also arranged on the protective shell 14, and a forced ventilation mechanism is arranged outside the cold source component. The forced ventilation mechanism is an exhaust fan 13 which generates wind direction towards the inside of the protective casing 14.

Of course, the temperature in the transformer main body can be used as a target parameter to establish linkage with the exhaust fan 13, and the forced operation of the exhaust fan 13 can also be controlled in a remote control mode. It should be noted that one exhaust fan 13 may be used together with a plurality of cooling modules, instead of one cooling module.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A heat sink assembly, comprising: the cooling device comprises a cavity, wherein a fan with an induced air direction deviating from the cavity is arranged on one side of the cavity, a heat radiation body is arranged in the cavity, the heat radiation body is arranged adjacent to the fan, a refrigeration body used for supplying cold to the heat radiation body is arranged on the other side of the heat radiation body deviating from the fan, the refrigeration body is an electric refrigeration body, the electric refrigeration body comprises an electric refrigeration body hot part and an electric refrigeration body cold part, the electric refrigeration body hot surface is arranged in a butting mode with the heat radiation body, a thermal electric body is further arranged in the cavity, and the thermal electric body is arranged on one side, far away from the fan, of the electric refrigeration body; the thermoelectric body comprises a thermoelectric body heating part and a thermoelectric body cooling part, and the thermoelectric body heating part is arranged towards the electric cooling body heating part.

2. The heat sink assembly as recited in claim 1, wherein: the thermoelectric module further comprises a heat conducting part, wherein the heat conducting part is arranged between the electric refrigerator and the thermoelectric body.

3. The heat sink assembly as recited in claim 2, wherein: the heat conducting part is respectively connected with the electric refrigerator and the thermal refrigerator in an abutting mode.

4. The heat sink assembly as recited in claim 1, wherein: an outer protective body is arranged outside the cavity body and corresponds to the pyroelectric body.

5. The heat sink assembly as recited in claim 1, wherein: the thermoelectric generator further comprises a rechargeable power supply which is respectively connected with the thermoelectric body and the electric refrigerator.

6. The heat sink assembly as recited in claim 5, wherein: the rechargeable power supply is arranged in the cavity or the outer protective body.

7. The heat sink assembly as recited in claim 1, wherein: and a plurality of external connecting rods are arranged outside the cavity, and a plurality of air vents are arranged on the external connecting rods.

8. A high power transformer using the heat sink assembly as claimed in any one of claims 1 to 7, wherein: the transformer comprises a transformer body, wherein a protective shell is arranged outside the transformer body, and a plurality of cold source components are arranged on the protective shell.

9. A high power transformer according to claim 8, characterised in that: and the protective shell is also provided with a plurality of air outlets, and a forced ventilation mechanism is arranged outside the cold source component.

10. A high power transformer according to claim 9, characterised in that: the forced ventilation mechanism is an exhaust fan which generates wind direction and faces the inside of the protective shell.