CN112018721A - Power supply line overcurrent protection device based on Internet of things - Google Patents

Abstract

The invention discloses an overcurrent protection device for a power supply line based on the Internet of Things, which relates to the technical field of electric power engineering; in order to solve the problem of the safety of a circuit breaker after overcurrent and power outage, it specifically includes a main casing, one of which is a main casing. A first hole is opened on the side bottom, and a horizontally arranged switch gate is rotated and fixed between two inner walls of the first hole, and two horizontally arranged wire inlet ports are fixed on one side of the bottom of one end of the main casing, and A horizontally arranged outlet port is fixed on the other side of the bottom of one end of the main casing. In the present invention, when the working temperature of the device is high, the electromagnet at the bottom can be directly energized, so that the electromagnet can generate magnetism, which can attract the attracting iron block at the top, pull down the contact fixing rod, and disconnect the current for protection. and the internal electric push rod is extended, and the limit block is clamped with the limit slot to prevent the process of accidentally closing the switch and improve the safety of work.

Description

An IoT-based overcurrent protection device for power supply lines

technical field

The invention relates to the technical field of electric power engineering, in particular to an overcurrent protection device for a power supply line based on the Internet of Things.

Background technique

After the 20th century, the production of electric energy mainly relies on thermal power plants, hydropower plants and nuclear power plants. Where conditions permit, tidal, geothermal and wind energy are also used to generate electricity. The transmission and distribution of electrical energy is mainly achieved through high and low voltage AC power networks. As the development direction of power transmission engineering technology, its focus is to study the ultra-high voltage (above 1 million volts) AC power transmission and DC power transmission technology to form a larger power network; at the same time, it is also necessary to study the technical problems of superconductor power transmission.

In the current use process of end customers of electric power engineering, the current protection device needs to be installed in order to consider the safety of electricity consumption. Electricity, in the case of unknowing, will cause damage again, which has a great hidden danger to power transmission and electricity safety.

SUMMARY OF THE INVENTION

Based on the technical problems existing in the background art, the present invention proposes an overcurrent protection device for a power supply line based on the Internet of Things.

An overcurrent protection device for a power supply line based on the Internet of Things proposed by the present invention includes a main casing, a first hole is opened at the bottom of one side of the main casing, and a horizontal arrangement is rotated and fixed between the inner walls of both sides of the first hole. The switch gate, one side of the bottom of one end of the main casing is fixed with two horizontally arranged inlet ports, and the other side of the bottom of one end of the main casing is fixed with a horizontally arranged outlet port. A vertically arranged fixing plate is fixed at one side between the inner walls on both sides, a horizontally arranged fixing block is fixed at the bottom of one side of the fixing plate, and a horizontally arranged electromagnet is fixed at the top position of the fixing block. The peripheral outer wall of the switch gate is located in the inner position of the main casing and is fixed with a horizontally arranged contact fixing rod, and the bottom side of the contact fixing rod is fixed with a horizontally arranged attraction iron block, and the bottom of the attraction iron block and the top of the electromagnet are fixed. The bottom of the contact fixing rod is fixed with an inclined limit spring in the middle, and the bottom of the limit spring is connected with the bottom of one inner wall of the main casing, and the top of one side of the fixed plate is fixed with a vertical limit spring. The energization coil is provided, and the bottom of the energization coil is in contact with the top of the side contacting the fixing rod, the bottom position of the inner wall of the circumference of the switch gate is provided with a vertical installation and fixing groove, and the inner circumference of the installation and fixing groove is sleeved with a fixed groove. A vertically arranged electric push rod, the bottom output end of the electric push rod is fixed with a vertically arranged limit block, and the inner wall of one side of the main casing is located at the bottom of the first hole with a limit slot, and the limit The groove is clamped with the inside of the limit block, and the top of the inner wall of one side of the main casing is fixed with an IoT module by bolts.

Preferably, a vertically arranged fixing mainboard is fixed on the other side of the main casing, and both ends of the top and bottom of the fixing mainboard are provided with horizontally arranged fixing bolt holes.

Preferably, a second hole is opened at a top position of one side of the main casing, and a horizontally arranged locking switch is fixed to the second hole.

Preferably, a vertically arranged conductive plate 2 is fixed on one side of the fixing plate, and a vertically arranged conductive plate 1 is fixed on one side of the conductive plate 2.

Preferably, a vertically arranged fire extinguishing arc is fixed at one end of the top inner wall of the main casing.

Preferably, a vertically arranged temperature sensor is fixed at the middle position of the top inner wall of the main casing, and the temperature sensor is located at the top position of the energized coil.

Preferably, the signal output end of the temperature sensor is electrically connected with the signal receiving end of the electromagnet.

Preferably, a horizontally arranged heat dissipation hole slot is opened at a middle position of one side of the main casing.

Preferably, a horizontally arranged cooling fan is fixed in the middle position of the cooling hole slot, and the air outlet position of the cooling fan faces the outside.

Preferably, a vertically arranged filter screen plate is fixed at one side of the circumferential inner wall of the heat dissipation hole slot.

In the present invention:

1. When the internal working heating temperature is high, it can be directly energized through the electromagnet at the bottom position, so that the electromagnet can generate magnetism, which can attract the attracting iron block at the top, pull down the contact fixing rod, and disconnect the current. The process of protection, and the internal electric push rod is extended, and the limit block is connected with the limit slot to prevent the process of accidentally closing the switch and improve the safety of work;

2. By closing the lock switch and pushing the switch gate to run downward, the contact fixing rod at the inner position is in contact with the bottom of the top energized coil, and the process of conducting electricity can pass the positive and negative electrodes of the current through the inner conductive plate respectively. 1. The process of conducting electricity on the conductive plate 2;

3. There is a cooling hole slot on one side of the main casing, and a cooling fan is installed inside the cooling hole slot, which can quickly dissipate heat after the internal power is turned off to prevent the device from being softened and damaged. Intake of ash to improve the cleanliness of the device.

Description of drawings

1 is a schematic diagram of the overall structure of a power supply line overcurrent protection device based on the Internet of Things proposed by the present invention;

FIG. 2 is a schematic side view sectional structure diagram of a power supply line overcurrent protection device based on the Internet of Things proposed by the present invention;

3 is a schematic structural diagram of a locking mechanism of a power supply line overcurrent protection device based on the Internet of Things proposed by the present invention;

FIG. 4 is a schematic structural diagram of a heat dissipation mechanism of a power supply line overcurrent protection device based on the Internet of Things proposed by the present invention.

In the picture: 1 inlet port, 2 outlet port, 3 switch gate, 4 lock switch, 5 fixing bolt hole, 6 fixing main board, 7 main casing, 8 limit spring, 9 contact fixing rod, 10 electrified coil, 11 temperature Sensor, 12 arc extinguishing, 13 conducting plate one, 14 conducting plate two, 15 attracting iron block, 16 fixing block, 17 fixing plate, 18 electromagnet, 19 limit slot, 20 limit block, 21 electric push rod, 22 installation Fixed slot, 23 cooling fan, 24 filter screen, 25 cooling hole slot, 26 IoT module.

Detailed ways

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present patent, but should not be construed as a limitation on the present patent.

In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, rather than indicating or implying The device or element referred to must have, be constructed, and operate in a particular orientation and is not to be construed as a limitation of this patent.

In the description of this patent, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "arranged" should be understood in a broad sense. , it can also be detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific situations.

Example 1

1-3, a power supply line overcurrent protection device based on the Internet of Things includes a main casing 7, a first hole is opened at the bottom of one side of the main casing 7, and the inner walls on both sides of the first hole are rotated and fixed. For the horizontally arranged switch gate 3, two horizontally arranged inlet ports 1 are fixed at one side of the bottom of one end of the main casing 7, and the other side of the bottom of one end of the main casing 7 is fixed with a horizontally arranged outlet port 2, A vertically arranged fixing plate 17 is fixed at one side between the inner walls on both sides of the main casing 7, a horizontally arranged fixing block 16 is fixed at the bottom of one side of the fixing plate 17, and a horizontally arranged fixing block 16 is fixed at the top position of the fixing block 16. The electromagnet 18, the peripheral outer wall of the switch gate 3 is located in the inner position of the main casing 7 and is fixed with a horizontally arranged contact fixing rod 9, and the bottom side of the contact fixing rod 9 is fixed with a horizontally arranged attraction iron block 15, and the attraction iron block 15 The bottom of the contact fixing rod 9 is fixed with an oblique limit spring 8 in the middle of the bottom of the contact fixing rod 9, and the bottom of the limit spring 8 is connected with the bottom of one side of the inner wall of the main casing 7, and the fixing plate The top of one side of 17 is fixed with a vertically arranged energization coil 10, and the bottom of the energization coil 10 is in contact with the top of one side of the contact fixing rod 9, and the bottom position of the inner wall of the switch gate 3 is provided with a vertically arranged installation and fixing groove. 22, and the circumferential inner wall of the installation and fixing groove 22 is sleeved with a vertically arranged electric push rod 21, the bottom output end of the electric push rod 21 is fixed with a vertically arranged limit block 20, and the inner wall of one side of the main casing 7 is located in the first A limiting slot 19 is defined at the bottom of a hole, and the limiting slot 19 is engaged with the interior of the limiting block 20 . The IoT module 26 is fixed on the top of one side inner wall of the main casing 7 by bolts.

In the present invention, the other side of the main casing 7 is fixed with a vertically arranged fixed main board 6, and both ends of the top and bottom of the fixed main board 6 are provided with horizontally arranged fixing bolt holes 5. One side of the main casing 7 The top position is provided with a second hole, and the second hole is fixed with a horizontally arranged locking switch 4, one side of the fixing plate 17 is fixed with a vertically arranged conductive plate 2 14, and one side of the conductive plate 14 is fixed with a A vertically arranged conductive plate 13, a vertically arranged fire extinguishing arc 12 is fixed at one end of the top inner wall of the main casing 7, and a vertically arranged temperature sensor 11 is fixed at the middle position of the top inner wall of the main casing 7, and the temperature sensor 11 is located at the At the top position of the energized coil 10 , the signal output end of the temperature sensor 11 is electrically connected to the signal receiving end of the electromagnet 18 .

When using this embodiment, when using the IoT-based power supply line overcurrent protection device, the operator firstly fixes the protection device through the fixing bolt holes 5 for fixing the top and bottom positions of the main board 6, and the bottom position is fixed. The incoming port 1 and the outgoing port 2 of the device are connected to the current wires of the connected equipment, and they are fixed and stable, and connected to the power supply for use. During the use process, the user can close the lock switch 4 and push the switch gate 3. Running downward, the contact fixing rod 9 at the inner position is in contact with the bottom of the top energized coil 10, and the process of conducting electricity can be conducted. During the conduction process, the normal operation of the protection device can be ensured, and the temperature sensor 11 at the top position performs a real-time working process. When the internal working heating temperature is high, it can directly pass the electromagnet 18 at the bottom position. Power on, make the electromagnet 18 generate magnetism, can attract the attracting iron block 15 on the top, pull down the contact fixing rod 9, disconnect the current, and carry out the process of protection, and the internal electric push rod 21 is extended, passing the limit block 20 is clamped with the limit slot 19 to prevent the process of accidentally closing the switch gate and improve the safety of work. Through the Internet of Things module 26, the entire protection device can be incorporated into the Internet of Things for network use.

Example 2

1-4, a power supply line overcurrent protection device based on the Internet of Things, the main casing 7 is provided with a horizontally arranged cooling hole slot 25 in the middle position, and the middle position of the cooling hole slot 25 is fixed with a horizontally arranged cooling hole. The fan 23 is installed, and the air outlet position of the cooling fan 23 faces the outside, and a vertically arranged filter screen plate 24 is fixed at one side of the circumferential inner wall of the cooling hole groove 25 .

When this embodiment is in use, in the second embodiment, on the basis of the first embodiment, a heat dissipation hole slot 25 is opened on one side of the main casing 7, and a heat dissipation fan 23 is installed inside the heat dissipation hole slot 25, which can After the internal power failure, rapid heat dissipation is carried out to prevent the device from being softened and damaged, and the filter screen plate 24 can prevent the internal dust from entering, and improve the cleanliness of the device.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a power supply line overcurrent protection device based on thing networking, includes host case (7), its characterized in that, first hole has been seted up to one side bottom of host case (7), and rotates switch floodgate (3) that are fixed with the level and set up between the both sides inner wall of first hole, one side rigidity of one end bottom of host case (7) has inlet wire port (1) that two levels set up, and the opposite side rigidity of the one end bottom of host case (7) has outlet wire port (2) that the level set up, one side rigidity between the both sides inner wall of host case (7) has fixed plate (17) of vertical setting, one side bottom of fixed plate (17) is fixed with fixed block (16) that the level set up, the top rigidity of fixed block (16) has electro-magnet (18) that the level set up, the circumference outer wall of switch floodgate (3) is located the contact dead lever (9) that the inside rigidity of host case (7) has the level to set up ) The bottom of the contact fixing rod (9) is fixed with an attraction iron block (15) which is horizontally arranged, the bottom of the attraction iron block (15) is attracted with the top of the electromagnet (18), an inclined limiting spring (8) is fixed in the middle of the bottom of the contact fixing rod (9), the bottom of the limiting spring (8) is connected with the bottom of the inner wall of one side of the main case (7), a vertically arranged energizing coil (10) is fixed at the top of one side of the fixing plate (17), the bottom of the energizing coil (10) is contacted with the top of one side of the contact fixing rod (9), a vertically arranged installation fixing groove (22) is formed in the bottom of the inner wall of the circumference of the switch brake (3), an electric push rod (21) which is vertically arranged is sleeved on the inner wall of the circumference of the installation fixing groove (22), and a vertically arranged limiting block (20) is fixed at the output end of the bottom of the electric push rod (, spacing groove (19) have been seted up to the bottom position that one side inner wall of host computer shell (7) is located first hole, and inside looks joint of spacing groove (19) and stopper (20), there is thing networking module (26) at one side inner wall top of host computer shell (7) through the bolt fastening.

2. The power supply line overcurrent protection device based on the Internet of things of claim 1, wherein a vertically arranged fixed main board (6) is fixed to the other side of the main case (7), and horizontally arranged fixed bolt holes (5) are formed in the positions of two ends of the top and the bottom of the fixed main board (6).

3. The power supply line overcurrent protection device based on the internet of things as claimed in claim 2, wherein a second hole is formed in the top of one side of the main case (7), and a horizontally arranged locking switch (4) is fixed to the second hole.

4. The power supply line overcurrent protection device based on the internet of things is characterized in that a second vertically-arranged conductive plate (14) is fixed to one side of the fixing plate (17), and a first vertically-arranged conductive plate (13) is fixed to one side of the second vertically-arranged conductive plate (14).

5. The power supply line overcurrent protection device based on the Internet of things as claimed in claim 4, wherein a vertically arranged fire extinguishing arc (12) is fixed at one end of the top inner wall of the main case (7).

6. The power supply line overcurrent protection device based on the Internet of things is characterized in that a vertically arranged temperature sensor (11) is fixed in the middle position of the inner wall of the top of the main case (7), and the temperature sensor (11) is located at the top position of the electrified coil (10).

7. The power supply line overcurrent protection device based on the Internet of things of claim 6, wherein a signal output end of the temperature sensor (11) is electrically connected with a signal receiving end of the electromagnet (18).

8. The power supply line overcurrent protection device based on the Internet of things of claim 1, wherein a horizontally arranged heat dissipation hole groove (25) is formed in the middle of one side of the main case (7).

9. The power supply line overcurrent protection device based on the internet of things as claimed in claim 8, wherein a horizontally arranged heat dissipation fan (23) is fixed in the middle of the heat dissipation hole groove (25), and an air outlet position of the heat dissipation fan (23) faces outwards.

10. The power supply line overcurrent protection device based on the internet of things as claimed in claim 9, wherein a vertically arranged filter screen plate (24) is fixed at one side of the circumferential inner wall of the heat dissipation hole groove (25).

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