CN218647081U

CN218647081U - Dry-type reactor fault on-line monitoring device

Info

Publication number: CN218647081U
Application number: CN202222909835.1U
Authority: CN
Inventors: 徐俊成; 谢恒�
Original assignee: Nanjing Qianneng Technology Co ltd
Current assignee: Nanjing Qianneng Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-17
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a dry-type reactor trouble on-line monitoring device belongs to reactor check out test set technical field, including detecting the box, be provided with the case lid on detecting the box, be provided with the infrared camera that is used for detecting reactor temperature distribution in the case lid, be provided with the first contact assembly to reactor upside electrical contact in detecting the box, it is provided with the second contact assembly to reactor downside electrical contact to detect the bottom half, be provided with the microcomputer processor who handles infrared camera detection data on detecting the box, be provided with the wireless transmitter who is used for microprocessor first-sending data on detecting the box, solved current reactor operating condition and can not carry out the problem monitored in real time, the invention compares with prior art, and its apparent advantage is: the temperature change on the surface of the reactor can be monitored in real time, and the reactor is convenient to install.

Description

Dry-type reactor fault on-line monitoring device

Technical Field

The utility model belongs to the technical field of reactor check out test set, specifically be a dry-type reactor trouble on-line monitoring device.

Background

The reactor is also called an inductor, and is widely applied in a circuit, a certain inductance exists in the circuit due to the effect of electromagnetic induction, and the reactor can play a role in preventing current change, the reactor is mostly arranged in an alternating current circuit, and the reactor is generally provided with two groups of contacts, one group of contacts is used for connecting in a power supply, and the other group of contacts is used for connecting out the power supply.

The traditional dry-type reactor is easy to influence the temperature change of the surface of the reactor by the voltage and current changes because a winding and an iron core are not immersed in insulating liquid, and when the surface temperature of the reactor is higher, a short-circuit fault occurs, chinese patent CN204166057U discloses a dry-type air-core reactor on-line monitoring device, but the device can not integrally observe the temperature distribution of the reactor by intelligently sensing the local temperature through a temperature sensor, and the device is not beneficial to the installation of the reactor and the heat dissipation of the reactor, so that the working state of the reactor needs to be monitored in real time, and a dry-type reactor fault on-line monitoring device is needed to solve the problem.

Disclosure of Invention

The utility model aims at providing a dry-type reactor trouble on-line monitoring device to solve the problem that proposes in the above-mentioned background art, the utility model discloses a reasonable arranging, the temperature variation on real-time supervision reactor surface makes things convenient for the reactor to install.

The technical solution for realizing the purpose of the invention is as follows: a dry-type reactor fault online monitoring device comprises a detection box body, wherein a box cover is arranged on the detection box body, a reactor is arranged in the detection box body, an upper side electric contact and a lower side electric contact are arranged on the reactor, an infrared camera for detecting the temperature distribution of the reactor is arranged in the box cover, a first contact assembly for electrically contacting the upper side electric contact of the reactor is arranged in the detection box body, the first contact assembly comprises a movable rod hinged in the detection box body, a first contact is arranged at one end of the movable rod, a magnetic block is arranged at the other end of the movable rod, an electromagnet magnetically separated and combined with the magnetic block is arranged on the inner wall of the detection box body, a second contact assembly for electrically contacting the lower side electric contact of the reactor is arranged at the bottom of the detection box body, the second contact assembly comprises a spring rod arranged at the bottom of the detection box body, and a second contact is arranged at the tail end of an output shaft of the spring rod;

the detection box body is also provided with a microcomputer processor and a detection circuit for detecting the working current and voltage of the reactor, and the microcomputer processor is respectively connected with the infrared camera, the detection circuit and the electromagnet.

Furthermore, a wireless transmitter connected with the microcomputer processor is also arranged on the detection box body.

Further, the inner wall of the detection box body is provided with a base, and a spring hinge is arranged at the hinged position of the movable rod and the base.

Furthermore, the bottom of the detection box body is provided with a mounting seat for mounting the reactor, and the mounting seat is provided with a mounting hole.

Further, the two sides of the detection box body are provided with heat dissipation holes in a penetrating mode.

Further, the first contact and the second contact are both made of pure copper materials, and the first contact and the second contact are of disc-shaped structures.

Furthermore, a cable hole for connecting a reactor cable is formed in the front side of the detection box body.

Compared with the prior art, the invention has the remarkable advantages that:

1. the detection circuit detects the working voltage and current of the reactor through the first contact and the second contact and sends detection data to the microcomputer processor, meanwhile, the microcomputer processor receives real-time temperature distribution of the surface of the reactor detected by the infrared camera, the microcomputer processor is also used for controlling the switch of the electromagnet, and the microcomputer processor and an external upper computer can be used for receiving data of the microcomputer processor and wirelessly controlling the microcomputer processor through the wireless transmitter;

2. the utility model discloses a reasonable arranging, the temperature variation on real-time supervision reactor surface makes things convenient for the reactor installation.

Drawings

Fig. 1 is the utility model relates to a dry-type reactor trouble on-line monitoring device's overall structure schematic diagram.

Fig. 2 is the utility model relates to a dry-type reactor trouble on-line monitoring device's open structure schematic diagram.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is a schematic diagram of the connection of the microcomputer processor in the dry reactor fault on-line monitoring device of the present invention.

Fig. 6 is a schematic diagram of the utility model for an online monitoring device of dry reactor fault.

In the figure: the detection device comprises a detection box body 1, heat dissipation holes 101, a cable hole 102, a box cover 2, an infrared camera 3, a microcomputer processor 4, a wireless transmitter 41, a first contact assembly 5, a first contact 51, a movable rod 52, a spring hinge 53, an electromagnet 54, a magnetic block 55, a base 56, a mounting seat 6, a second contact assembly 7, a spring rod 71, a second contact 72, an electric reactor 8, an upper side electric contact 81 and a lower side electric contact 82.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model provides a technical scheme: referring to fig. 1 and 6, the dry type reactor fault on-line monitoring device comprises a detection box body 1, a box cover 2 is arranged on the detection box body 1, an infrared camera 3 used for detecting the temperature distribution of a reactor 8 is arranged in the box cover 2, the infrared camera 3 generates a temperature sensing image and sends the temperature sensing image to a microcomputer processor 4, and the microcomputer processor 4 sends data to an external upper computer through a wireless transmitter 41 so as to detect the real-time temperature distribution of the reactor 8 in the box body 1 on line.

Referring to fig. 2-4, a first contact assembly 5 electrically contacting an electrical contact 81 on the upper side of the reactor 8 is arranged in the detection box 1, the first contact assembly 5 comprises a movable rod 52 hinged in the detection box 1, a first contact 51 is arranged at one end of the movable rod 52, a magnetic block 55 is arranged at the other end of the movable rod 52, an electromagnet 54 magnetically coupled with the magnetic block 55 is arranged on the inner wall of the detection box 1, the electromagnet 54 is controlled to be switched on or switched off by the microcomputer processor 4, when the electromagnet 54 is switched off, the bottom of the electromagnet 54 is magnetically attracted to the magnetic block 55, the left side of the movable rod 52 falls under the elastic force of a spring hinge 53, the first contact 51 contacts the electrical contact 81 on the upper side of the reactor 8, when the electromagnet 54 is switched on, the bottom of the electromagnet 54 generates a magnetic pole same as that of the magnetic block 55, the bottom of the electromagnet 54 is repelled from the magnetic block 55, the left side of the movable rod 52 is lifted, and the first contact 51 is separated from the electrical contact 81 on the upper side of the reactor 8.

Referring to fig. 3-4, the bottom of the detection box 1 is provided with a second contact assembly 7 for electrically contacting with the electric contact 82 on the lower side of the reactor 8, the second contact assembly 7 comprises a spring rod 71 arranged on the bottom of the detection box 1, the tail end of the output shaft of the spring rod 71 is provided with a second contact 72, when the reactor 8 is installed on the installation seat 6, the electric contact 82 on the lower side of the reactor 8 is contacted with the second contact 72, and the spring rod 71 enables the second contact 72 to have an upward elastic force, so that the second contact 72 is ensured to be stably contacted with the electric contact 82 on the lower side of the reactor 8.

Referring to fig. 3-6, a microcomputer processor 4 for detecting data by an infrared camera 3 is arranged on a detection box body 1, a wireless transmitter 41 for transmitting data firstly by the microcomputer is arranged on the detection box body 1, a detection circuit for detecting working current and voltage of a reactor 8 is arranged in the detection box body 1, the detection circuit transmits the detection data to the microcomputer processor 4, the input end of the microcomputer processor 4 is electrically connected with the infrared camera 3, the output end of the microcomputer processor 4 is electrically connected with the input end of an electromagnet 54, and the microcomputer processor 4 is in bidirectional data connection with the wireless transmitter 41;

when the first contact 51 and the second contact 72 are in contact with the electrical contacts of the reactor 8, the detection circuit detects the working voltage and current of the reactor 8 through the first contact 51 and the second contact 72, and sends the detection data to the microcomputer processor 4, meanwhile, the microcomputer processor 4 receives the real-time temperature distribution of the surface of the reactor 8 detected by the infrared camera 3, the microcomputer processor 4 sends the data to an external upper computer through the wireless transmitter 41, and then the real-time temperature distribution of the reactor 8 in the box body 1 is detected on line, in addition, the microcomputer processor 4 is also used for controlling the switch of the electromagnet 54, the microcomputer processor 4 is connected with the external upper computer through the wireless transmitter 41, and can be used for receiving the data of the microcomputer processor 4 and carrying out wireless control on the microcomputer processor 4.

Referring to fig. 3 and 4, a base 56 is disposed on an inner wall of the detection box 1, the movable rod 52 is hinged to the base 56, and a spring hinge 53 is disposed at a hinge of the movable rod 52 and the base 56 for rotatably supporting the movable rod 52.

Referring to fig. 3, a mounting seat 6 for mounting a reactor 8 is arranged at the bottom of the detection box 1, and a mounting hole is formed in the mounting seat 6 for mounting the reactor 8.

Referring to fig. 1 and 2, heat dissipation holes 101 are formed in two sides of the detection box 1 in a penetrating manner, the first contact 51 and the second contact 72 are made of pure copper, and the first contact 51 and the second contact 72 are of disc-shaped structures, so that the contact area between the first contact 51 and the electric contact on the reactor 8 is increased, and the stability of electric contact is ensured.

As an embodiment of the present invention: the box cover 2 is opened, the input end of the microcomputer processor 4 is connected with an external power supply, the microcomputer processor 4 controls the electromagnet 54 to be opened, the bottom of the electromagnet 54 generates a magnetic pole which is the same as that of the magnetic block 55, the bottom of the electromagnet 54 is repelled and separated from the magnetic block 55, the left side of the movable rod 52 is lifted, and the first contact 51 is separated from the upper side electric contact 81 of the reactor 8;

then the reactor 8 is arranged on the installation seat, the reactor 8 is connected with an external equipment cable through the cable hole 102, the electric contact 82 at the lower side of the reactor 8 is electrically contacted with the second contact 72, and after the external upper computer is wirelessly connected with the wireless transmitter 41, the external upper computer controls the microcomputer processor 4 through the wireless transmitter 41;

then the microcomputer processor 4 firstly controls the electromagnet 54 to close, the bottom of the electromagnet 54 is magnetically attracted with the magnetic block 55, the left side of the movable rod 52 falls under the action of the elastic force of the spring hinge 53, and the first contact 51 is contacted with the upper side electric contact 81 of the reactor 8;

when the first contact 51 and the second contact 72 are in contact with the upper side electrical contact 81 and the lower side electrical contact 82 of the reactor 8, the detection circuit detects the working voltage and current of the reactor 8 through the first contact 51 and the second contact 72 and sends the detection data to the microcomputer processor 4, meanwhile, the microcomputer processor 4 receives the real-time temperature distribution of the surface of the reactor 8 detected by the infrared camera 3, and the microcomputer processor 4 sends the data to an external upper computer through the wireless transmitter 41 so as to detect the real-time temperature distribution of the reactor 8 in the box body 1 on line;

finally, after the detection is finished, the microcomputer processor 4 controls the electromagnet 54 to be opened again, the first contact 51 is separated from the upper side electric contact 81 of the reactor 8, and the reactor 8 is taken out.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a dry-type reactor trouble on-line monitoring device, is including detecting box (1), be provided with case lid (2) on detecting box (1), be provided with reactor (8) in detecting box (1), be provided with upside electrical contact (81) and downside electrical contact (82) on reactor (8), its characterized in that:

the detection device is characterized in that an infrared camera (3) used for detecting the temperature distribution of the reactor (8) is arranged in the box cover (2), a first contact component (5) electrically contacting an upper side electric contact (81) of the reactor (8) is arranged in the detection box body (1), the first contact component (5) comprises a movable rod (52) hinged in the detection box body (1), a first contact (51) is arranged at one end of the movable rod (52), a magnetic block (55) is arranged at the other end of the movable rod (52), an electromagnet (54) magnetically separated from and combined with the magnetic block (55) is arranged on the inner wall of the detection box body (1), a second contact component (7) electrically contacting a lower side electric contact (82) of the reactor (8) is arranged at the bottom of the detection box body (1), the second contact component (7) comprises a spring rod (71) arranged at the bottom of the detection box body (1), and a second contact (72) is arranged at the tail end of an output shaft of the spring rod (71);

the detection box body (1) is further provided with a microcomputer processor (4) and a detection circuit for detecting working current and working voltage of the reactor (8), and the microcomputer processor (4) is respectively connected with the infrared camera (3), the detection circuit and the electromagnet (54).

2. The dry-type reactor fault on-line monitoring device of claim 1, characterized in that: the detection box body (1) is also provided with a wireless transmitter (41) connected with the microcomputer processor (4).

3. The dry-type reactor fault on-line monitoring device of claim 1, characterized in that: the inner wall of the detection box body (1) is provided with a base (56), and a spring hinge (53) is arranged at the hinged position of the movable rod (52) and the base (56).

4. The dry-type reactor fault on-line monitoring device of claim 1, characterized in that: the detection box body (1) is provided with a mounting seat (6) used for mounting a reactor (8) at the bottom, and the mounting seat (6) is provided with a mounting hole.

5. The dry-type reactor fault on-line monitoring device of claim 1, characterized in that: the two sides of the detection box body (1) are provided with heat dissipation holes (101) in a penetrating mode.

6. The dry-type reactor fault on-line monitoring device of claim 1, characterized in that: the first contact (51) and the second contact (72) are both made of pure copper, and the first contact (51) and the second contact (72) are of disc-shaped structures.

7. The dry-type reactor fault on-line monitoring device of claim 1, characterized in that: the front side of the detection box body (1) is provided with a cable hole (102) for connecting a cable of the reactor (8).