LU505055B1 - A HIGH TEMPERATURE SHUTDOWN PROTECTION DEVICE FOR ELECTRICAL EQUIPMENT - Google Patents

Abstract

The present invention relates to the technical field of electrical equipment, particularly to a high temperature shutdown protection device for the electrical equipment, comprising: a casing, a radiator, and electrical components, wherein the casing has a dust net fixedly mounted on the left end side wall, the radiator is fixedly mounted on the right end side wall of the casing, the upper end of the casing is fixedly mounted with an exhaust fan, and a cooling fan is fixedly mounted on the lower end inner wall; a mounting plate is fixedly mounted on the inner wall of the casing, a rod-shaped hole is provided on the side wall of the mounting plate, and electrical components are fixedly mounted on the upper end side wall of the mounting plate. When the electrical component is overloaded with sustained heat, the temperature detected by the temperature sensor exceeds the highest temperature, the controller supplies power to the electromagnet, the electromagnet generates suction on the electrode plate II, one end of the electrode plate II is clamped and adsorbed with the electromagnet, so that the electrode plate II and the electrode plate Ⅰ are separated, the wires on the electrical component are separated, and the electrical component stops working, so as to prevent sustained high temperature and overload operation from affecting the service life of the electrical equipment. The electrical parts stop working, so as to prevent sustained high temperature and overload operation from affecting the service life of the electrical equipment.

Description

A high temperature shutdown protection device for electrical equipment LU505055

Technical part

The present invention relates to the technical field of electrical equipment, particularly to a high temperature shutdown protection device for the electrical equipment.

Technology in the background

Electrical equipment is in the power system on the generator, transformer,

Power lines, circuit breakers and other devices together, electricity in our lives and

Production play an important role, can not be ignored, which brings us great convenience, become an important source of energy in our production and life, the power plant to the normal operation of electricity and transmission of the most critical factors is the electrical

Equipment.

In the outdoor electrical equipment, when the normal operation of the standard, its internal

Cooling device can effectively dissipate heat to ensure normal operation, when the electrical equipment as overloaded operation, the cooling device is likely to be unable to effectively dissipate heat to ensure it, if not stopped in time, the service life of the electrical

devices will be greatly reduced.

Content of the invention

An object of the current invention is to provide a high temperature shutdown protection device for the electrical equipment in order to solve the above-mentioned problems of the prior art.

technology to solve.

To achieve the above purpose, the present invention provides the following technical solution: a high temperature shutdown protection device for the electrical

Equipment comprising: a housing, a cooler and an electrical component, wherein the

housing having a dust net fixedly attached to the side wall at the left end of the housing, the cooler fixedly attached to the side wall at the right end of the housing, the upper end of the housing having an exhaust fan fixedly attached thereto and a cooling fan fixedly attached thereto on the inner wall at the lower end of the housing;

A mounting plate is firmly attached to the inner wall of the housing, a rod-shaped

Hole is provided on the side wall of the mounting plate, the electrical component is firmly attached to the

side wall of the upper end of the mounting plate, and a temperature sensor is firmly attached to the upper inner wall of the housing;

A housing is firmly attached to the upper end of the electrical component, and a

Cover plate is detachably attached to the upper end of the housing, and the electrical component is connected to an external power supply via a wire that runs through the housing, and the wire is divided into two segments within the housing and connected to

Electrode plate I or electrode plate II. The electrode plate IT is rotatably connected to the housing body by a spring, and an electromagnet is connected by a

Connecting rod attached to the inner side wall of the cover plate, and the

Electromagnet is located above electrode plate II.

Preferably, the upper end of the housing is fixedly connected to a

Lid mounted, the upper end of the lid is smaller than the lower end, the lower end of the

Lid covers the top of the case, and an alarm lamp is fixed to the top of the

housing mounted.

Preferably, a number of rod-shaped holes are evenly opened on the side wall of the mounting plate, the rod-shaped holes allow the

Cooling fans generate wind to pass through and cool the electrical components, and a control unit is fixed to the top of the electrical components.

Preferably, the lower end of the housing body has ear plates fixedly attached to the front and rear side walls and is fixedly attached to the upper

end of the electrical component. An elastic plate is firmly attached to the side walls at the front and back of the upper end of the housing body, the elastic

Plate has the shape of an L. One end of the elastic plate is firmly attached to the outer wall of the

housing body, and the other end of the elastic plate is fixed with a

Snap block, which has the shape of a right-angled triangular zhang and whose beveled edge is on the top, and positioning holes are on all four

Sides of the upper end of the housing body opened.

Preferably, a positioning column is fixedly mounted on all four sides of the lower end of said cover plate, and a fixed plate is fixedly mounted on the side walls of the front and rear ends of the cover plate, so that when the positioning column is inserted into the

positioning holes and inserted, the side walls at the outer end of the fixed plate first come into contact with the bevelled edges at the top of the catch block and cross over to catch the catch block and snap together with the side walls at the bottom of the catch block.

Preferably, a battery is permanently mounted in the housing body, the battery is connected via a

Connecting wire I electrically connected to a solenoid, the solenoid is tiltable at the bottom

end of a connecting rod, and the upper end of the connecting rod is fixedly mounted to the lower end of a cover plate.

Preferably, the electrode plate I is fixedly attached to the inner wall of the lower end of the

Housing body mounted by a support rod, the electrode plate II is rotatable in the

Housing body, a spring I is fixedly mounted on the lower end of the electrode plate II, the lower end of the spring I is fixedly mounted on the side wall of the lower end of the housing body, and the electrode plate I and the electrode plate II come into contact when the

Spring I is balanced and the electrode plate II is made of magnetic metal material.

Preferably, the rotating plate is rotatably connected to the inner wall of one end of the

housing body, the rotating plate is made of an insulating material, the lower end of the rotating plate is firmly mounted with a spring II, and the lower end of the

Spring II is firmly connected to the lower side wall of the housing body.

Preferably, one end of the turntable is located at the bottom of one end of the

Electrode plate II, the lower end of the turntable is equipped with a pressure switch, which

Pressure switch is firmly attached to the bottom side wall of the housing body, and the

The pressure switch is electrically connected to the alarm lamp via connecting wire II.

Compared with the prior art, the present invention has the following advantageous

Effect:

If the temperature detected by the temperature sensor is between the opening temperature and the maximum temperature, the control system will start the cooling machine to cool and close the exhaust fan to cool the electrical components. If the electrical components

Components are overloaded and persistently hot and the temperature detected by the temperature sensor exceeds

maximum temperature, the control supplies the electromagnet with power, ab4/505055

Electromagnet creates a suction on the electrode plate II, and one end of the electrode plate II deforms and adsorbs with the electromagnet, so that the electrode plate II and the

Electrode plate I must be separated and the conductor on the electrical component must be interrupted and the electrical component must stop working in order to prevent sustained high

Temperatures and overload operation have a lifespan. The electrical parts stop working to prevent prolonged high temperatures and overload operation from damaging the

affect the service life of electrical equipment.

Description of the attached drawings

Figure 1 shows a schematic representation of the overall structure of the present invention;

Figure 2 shows a schematic diagram of the internal structure of the box of the present

Invention;

Figure 3 shows a plan view of the interior of the housing of the present invention;

Figure 4 is a schematic representation of the housing and the cover of the present

Invention in unfolded state;

Figure 5 is a schematic representation of the connection between the housing body and the cover plate of the present invention;

Figure 6 shows a schematic representation of a section of the housing of the present

Invention;

Figure 7 shows an enlarged view of the structure of area A in Figure 6 of the present

Invention.

In the picture: 1, housing; 2, dust net; 3, cover; 4, exhaust fan; 5,

protective cover; 6, cooler; 7, cooling fan; 8, mounting plate; 9, electrical component; 10,

regulator; 11, alarm light; 12, housing body; 13, ear plate; 14, elastic plate; 15,

Snap block; 16, Positioning hole; 17, Cover plate; 18, Mounting plate; 19,

Positioning pins; 20, Wire 21, Battery; 22, Connecting rod; 23, Electromagnet; 24,

Connecting line I; 25, electrode plate I; 26, electrode plate II; 27, spring I; 28, rotating plate; 29, spring II; 30, pressure switch; 31, connecting line II; 32, temperature sensor.

Detailed description

In order to better understand the purpose of the present invention, the technical solutions for a clear and complete description and the advantages, the following

Embodiments of the present invention will be described in more detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of the

embodiments, and are used only to describe the embodiments of the present

invention, and are not used to describe the embodiments of the present

invention, and all other embodiments that may be apparent to persons of ordinary skill in the

Technical knowledge in the field of technology without creative work are within the scope of the present invention.

In the description of the present invention, it is intended to be clear that the terms "center", "middle", "top", "bottom", "left", "right", "inside", "outside", "top", "bottom", "side", "vertical", "horizontal" and other terms for the orientation or

Positional relationships are based on those shown in the accompanying drawings and are intended only to facilitate and simplify the description of the present invention and are not intended to indicate or imply that the device or element referred to has a particular orientation or must be constructed and operated in a particular orientation and are therefore not to be construed as a limitation of the present invention.

invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only and are not to be understood as indicating or implying a relative meaning.

When describing the present invention, it should be noted that the terms "mounted", "connected", "connected" are to be understood in the broadest sense, unless expressly stated and limited otherwise. For example, it may be a fixed connection, a detachable connection or a one-piece connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection via an intermediate medium, or it may be a connection within the two elements. The specific meaning of the above terms in the context of the present invention can be understood by those skilled in the art in certain cases.

For the sake of brevity and illustration, the principles of

Embodiments are described mainly by way of examples. In the following

Description provides many specific details to provide a comprehensive understanding of the

However, it is obvious to a person skilled in the art that the

embodiments are not limited to these specific details. In some

In the examples, the known methods and structures are not described in detail in order to

understanding of these embodiments is not unnecessarily difficult. In addition, all

Embodiments can also be used in combination with each other.

With reference to Figures 1 to 7, the present invention provides a technical

Solution: a high temperature shutdown protection device for the electrical equipment, comprising: a housing 1, a radiator 6 and an electrical component 9, a dust net 2 is fixedly attached to the side wall at the left end of the housing 1, and the radiator 6 is fixedly attached to the

Side wall of the housing 1 at the right end. The upper end of the housing 1 is firmly connected to an exhaust fan 4, the outer end of the exhaust fan 4 is connected to a

Protective cover 5 is provided, the protective cover 5 plays a role in preventing

Dust and preventing small insects and other things from entering the

Housing 1, the lower end of the inner wall is fixedly connected to a cooling fan 7, the heat generated by the electrical components 9 flows to the upper end and is quickly discharged from the housing 1 under the action of the exhaust fan 4, and the cooling fan 7 plays a

Role in cooling the electrical components 9. The upper end of the housing 1 is provided with a

Cover 3 is fixedly mounted by a support rod, the upper end of the cover 3 is smaller than the lower end, the lower end of the cover 3 shades the upper end of the housing 1, and an alarm light 11 is fixedly mounted on the upper end of the housing 1, and the cover 3 serves as a guard for the housing 1 to protect the housing 1 from rainwater and the sun;

A mounting plate 8 is firmly attached to the inner wall of the container 1, a rod-shaped

Hole is opened on the side wall of the mounting plate 8, and an electrical component 9 is fixedly attached to the upper side wall of the mounting plate 8. A temperature sensor 32 is fixedly attached to the upper inner wall of the housing 1, and the temperature sensor 32 serves to detect the

temperature in the housing 1 in real time, and a number of rod-shaped

Holes are evenly opened on the side wall of the mounting plate 8, and the rod-shaped

Holes allow the wind generated by the cooling fan 7 to pass through and cool the electrical components 9. A control unit 10 is fixed to the upper end of the electrical/ 905055

component 9, and the control unit 10 is electrically connected to the exhaust fan 4, the radiator 6, the temperature sensor 32 and the electromagnet 23, and the maximum, minimum and opening temperatures are set in advance in the control unit 10, and the 5 temperature sensor 32 transmits the detected temperature in the housing 1 to the control unit 10.

If the temperature detected by the temperature sensor 32 is between the opening temperature and the maximum temperature, the control unit 10 controls the cooling of the radiator 6. If the electrical component 9 is overloaded and constantly heats up, and if the temperature detected by the temperature sensor 32 exceeds the maximum temperature, the control unit 10 supplies the

Electromagnet 23 is supplied with current, which creates a suction on the electrode plate II 26, and one end of the electrode plate II 26 is tensioned and adsorbed by the electromagnet 23, so that the electrode plate IT 26 and the electrode plate I 25 can be separated. The wire 20 of the electrical component 9 is disconnected, and the electrical component 9 is put out of operation.

At the same time, the other end of the electrode plate II 26 moves downwards and presses the

rotary plate 28 down, the lower end of the rotary plate 28 touches the upper end of the pressure switch 30 and presses it down, and the connecting wire II 31 on the alarm lamp 11 turns on, and the alarm lamp 11 lights up;

A housing body 12 is fixedly mounted at the upper end of the electrical component 9, and a

Cover plate 17 is detachably mounted on the upper end of the housing body 12, and the electrical component 9 is connected to an external power source via a wire 20 which runs through the housing body 12. The wire 20 is divided into two

segments, and an electrode plate I 25 and an electrode plate II 26 are connected to the

Electrode plate II 26 is connected to the housing body 12 via a spring I 27, and an electromagnet 23 is arranged above the electrode plate II 26. An electromagnet 23 is connected to the inner

front wall of the cover plate 17, and the electromagnet 23 is located above the electrode plate II 26.

Ear plates 13 are fixedly attached to the side walls at the front and rear of the lower end of the housing body 12 and fixedly attached to the upper end of the electric component 9 through the ear plates 13, and an elastic plate 14 is fixedly attached to the side walls at the front and

rear side of the upper end of the housing body 12. The elastic plate 14 has the

Shape of an L. One end of the elastic plate 14 is fixedly attached to an outer wall of the housing body 12, and the other end of the elastic plate 14 is fixedly attached to a snap block 15, and the snap block 15 has the shape of a right-angled triangle Zhang, and the

The beveled edge is located on the top. On all four sides of the top of the

Housing body 12, positioning holes 16 are provided on all four sides of the lower

End of the cover plate 17, positioning pins 19 are fixedly attached, and fastening plates 18 are fixedly attached to the side walls of the front and rear ends of the cover plate 17, so that when the positioning pins 19 are slidably inserted into the positioning holes 16, the side walls of the outer ends of the fastening plates 18 first come into contact with the beveled edges at the upper end of the snap block 15 and cross over to snap the snap block 15 and the side walls at the lower end of the

Snap block 15 into place.

A battery 21 is fixedly mounted in the housing body 12, the battery 21 being connected via a

Connecting wire I 24 is electrically connected to an electromagnet 23, the electromagnet

23 is tiltably mounted on a lower end of a connecting rod 22 and an upper end&}505055 of the connecting rod 22 is fixedly mounted on a lower end of the cover plate 17. The first

Electrode plate 25 is fixedly attached to the inner wall of the lower end of the

Housing body 12, the second electrode plate 26 is rotatably mounted in the housing body 12, a spring 27 is fixedly attached to the lower end of the second electrode plate 26, a lower end of the spring 27 is fixedly attached to the side wall of the lower end of the housing 12, when the spring 27 is balanced, the first electrode plate 25 and the second electrode plate 26 come into contact with each other, and the second electrode plate 26 is made of a magnetic metal material.

A rotary plate 28 is rotatably connected to an inner wall of one end of the housing body 12, the rotary plate 28 is made of an insulating material, and a spring 29 is fixedly attached to a lower end of the rotary plate 28, and a lower end of the

Spring two 29 is firmly connected to a lower side wall of the housing body 12. The second

Electrode plate 26 and the rotary plate 28 do not touch when the first spring 27 and the second spring 29 are in balance, one end of the rotary plate 28 is located at the bottom of one end of the second electrode plate 26, and the lower end of the rotary plate 28 is provided with a

Pressure switch 30.

The pressure switch 30 is fixedly mounted on the lower side wall of the housing body 12, and the pressure switch 30 is electrically connected to the alarm lamp 11 via the connecting line II 31, and the alarm lamp 11 is connected to an external

Power supply connected. When one end of the electrode plate II 26 and the electromagnet 23 are attracted, one end of the electrode plate II 26 is rotated by the tension spring one 27, and the other end is rotated downward, and the rotary plate 28 can compress the spring two 29 to move downward and press down on the pressure switch 30.

When the device is in operation, the electrical component 9 generates heat during operation, and when the temperature detected by the temperature sensor 32 is between the opening temperature and the maximum temperature, the controller 10 controls the cooler 6 to perform cooling and closes the exhaust fan 4 to cool the electrical component 9.

If the electrical component 9 is overloaded and continues to heat up and the

Temperature sensor 32 detects a temperature that exceeds the highest temperature, the

Control unit 10 supplies the electromagnet 23 with current, the electromagnet 23 generates a suction force on the electrode plate II 26, and one end of the electrode plate II 26 is tensioned and

Electromagnet 23 adsorbed so that the electrode plate II 26 and the electrode plate I 25 are separated and the wire 20 on the electrical component 9 is separated and the electrical

Component 9 stops working. At the same time, the other end of the electrode plate II 26 moves downwards and presses down the rotary plate 28, the lower end of the rotary plate 28 touches the upper end of the pressure switch 30 and presses it down, and the connecting wire II 31 on the

Alarm light 11 is turned on and alarm light 11 lights up to alert personnel.

Although embodiments of the present invention have been shown and described, it will be understood by one skilled in the art that numerous changes,

Modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is determined by the appended claims and their

Equivalents limited.

LU505055

Claims (9)

Claims LU505055 1. A high temperature shutdown protection device for the electrical equipment, comprising: a casing (1), a radiator (6) and electrical components (9). Characterized by: a dust net (2) fixedly attached to the left side wall of the casing (1), a radiator (6) fixedly attached to the right side wall of the casing (1), an exhaust fan (4) fixedly attached to the upper end of the casing (1), and a cooling fan (7) fixedly attached to the inner wall of the lower end; a mounting plate (8) is fixedly attached to the inner wall of the casing (1), a rod-shaped hole is provided on the side wall of the mounting plate (8), an electrical component (9) is fixedly attached to the upper end side wall of the mounting plate (8), and a temperature sensor (32) is fixedly attached to the upper inner wall of the casing (1); The electrical parts (9) are fixedly attached to the upper end of the housing body (12), and a cover plate (17) is detachably attached to the upper end of the housing body (12). The electrical part (9) is connected to an external power supply via a wire (20) passing through the housing body (12), and the wire (20) is divided into two segments within the housing body (12) and connected to an electrode plate I (25) and an electrode plate II (26), respectively. The electrode plate II (26) is rotatably connected to the housing body (12) by a spring I (27), and an electromagnet (23) is attached to the inner side wall of the cover plate (17) by means of a connecting rod (22), and the electromagnet (23) is located above the electrode plate II (26). 2. A high temperature shutdown protective device for the electrical equipment according to claim 1, characterized in that: the upper end of the housing (1) is fixedly mounted with a cover (3) by means of a support rod, the upper end of the cover (3) is smaller than the lower end, and the lower end of the cover (3) covers the upper end of the housing (1), and the upper end of the housing (1) is fixedly mounted with an alarm lamp (11). 3. A high temperature shutdown protective device for the electrical equipment according to claim 1, characterized in that: a number of rod-shaped holes are evenly opened on the side wall of the mounting plate (8), the rod-shaped holes allow the wind generated by the cooling fan (7) to pass through and cool the electrical parts (9), and a control device (10) is fixedly attached to the upper end of the electrical parts (9). 4. A high temperature shutdown protection device for the electrical equipment according to claim 3, characterized in that the housing body (12) has ear plates (13) fixedly attached to the side walls at the front and rear of the lower end, and is fixedly attached to the upper end of the electrical component (9) through the ear plate (13). The side walls at the front and rear of the upper end of the housing body (12) are fixedly mounted with an elastic plate (14), the elastic plate (14) has the shape of an L. One end of the elastic plate (14) is fixedly mounted to the outer wall of the housing body (12), and the other end of the elastic plate (14) is fixedly mounted with a snap block (15), the snap block (15) has the shape of a right-angled triangle, and the beveled edge is located on the top, and the upper end of the housing body (12) is provided with a positioning hole (16) on each of the four sides of the upper end. 5. A high temperature shutdown protective device for the electrical equipment according to claim 4, characterized in that a positioning pin (19) is fixedly attached to all four sides of the lower end of the cover plate (17), and a fixing plate (18) is fixedly attached to the side walls of the front and rear ends of the cover plate (17). Value/505055 the positioning pins (19) are slidably inserted into the positioning hole (16), the outer side wall of the fixing plate (18) first contacts the beveled edge of the upper end of the snap block (15) and traverses the snap block (15) to snap into the lower side wall of the snap block (15). 6. A high temperature shutdown protection device for the electrical equipment according to claim 5, characterized in that: a battery (21) is fixedly installed in the housing body (12). The battery (21) is electrically connected to an electromagnet (23) via a connecting wire (24), the electromagnet (23) is tiltably mounted on the lower end of a connecting rod (22), and the upper end of the connecting rod (22) is fixedly mounted on the lower end of a cover plate (17). 7. A high temperature shutdown protection device for the electrical equipment according to claim 6, characterized in that the electrode plate I (25) is fixedly attached to the inner wall of the lower end of the housing body (12) by means of a support rod, the electrode plate II (26) is rotatably mounted within the housing body (12), and the spring I (27) is fixedly attached to the lower end of the electrode plate II (26). The lower end of the spring I (27) is fixedly mounted on the side wall of the lower end of the housing body (12), the electrode plate I (25) and the electrode plate II (26) are in contact when the spring I (27) is balanced, and the electrode plate II (26) is made of a magnetic metal material. 8. A high temperature shutdown protection device for the electrical equipment according to claim 7, characterized in that a rotary plate (28) is rotatably connected to the inner wall of one end of the housing body (12), the rotary plate (28) is made of insulating material, and the lower end of the rotary plate (28) is fixedly mounted with spring II (29) whose lower end is fixedly connected to the side wall of the lower end of the housing body (12). 9. A high temperature shutdown protection device for the electrical equipment according to claim 7, characterized in that one end of the rotary plate (28) is arranged at the lower side of one end of the electrode plate II (26), and the lower end of the rotary plate (28) is provided with a push button switch (30). The push button switch (30) is fixedly attached to the lower side wall of the case body (12), and the push button switch (30) is electrically connected to the alarm lamp (11) via the connecting wire II (31).