CN212779621U - Temperature monitoring device for line junction of transformer substation - Google Patents
Temperature monitoring device for line junction of transformer substation Download PDFInfo
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- CN212779621U CN212779621U CN202021266558.1U CN202021266558U CN212779621U CN 212779621 U CN212779621 U CN 212779621U CN 202021266558 U CN202021266558 U CN 202021266558U CN 212779621 U CN212779621 U CN 212779621U
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Abstract
The utility model discloses a line junction temperature monitoring device of transformer substation relates to temperature monitoring technical field, including the junction box, the another side fixedly connected with main cable of junction box, the one end fixedly connected with heat conduction silica gel of main cable the middle part of first terminal and second terminal is equipped with first electromagnetic switch and second electromagnetic switch respectively. The utility model discloses a set up heat conduction silica gel, can come out the timely transmission of heat that the line connection department produced, utilize bimetallic strip to be heated the bending and change the resistance in the arc resistance pole access circuit, make the staff can learn the temperature of wiring department, reach and make the prefabricated dangerous purpose of staff, through setting up first electromagnetic switch and second electromagnetic switch, the warning light that messenger that can be timely corresponds lights and sends the early warning, and switch over the circuit, utilize two conductive loop to open circuit in turn, make the wiring department have sufficient time cooling, reach the purpose to line protection.
Description
Technical Field
The utility model relates to a temperature monitoring technology field specifically is a circuit connection department temperature monitoring device of transformer substation.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, and is also an electric power facility for controlling the flow direction of electric power and adjusting voltage, and the transformer substation connects power grids of various levels of voltage. In order to ensure the power supply reliability of equipment operation, an online monitoring system of the equipment has great influence on the stable operation of a power grid, so that how to make online temperature measurement and acquisition of the equipment becomes important work, the online temperature measurement and acquisition is an effective measure for effectively preventing equipment accidents, and the online temperature measurement and acquisition method is particularly important at the present with higher and higher operation and maintenance integration degree. The substation receives and distributes power in the power grid system, and is a hub of power transmission. Equipment of the substation bears high-voltage electric energy when in work, and once certain equipment or a certain line is aged, accidents can be caused. The transformer substation is connected with external power and is switched on through cable and terminal, because junction resistance between terminal and the cable is great, when carrying out transmission power, the junction of circuit is the place that generates heat in the whole circuit transmission route most easily, in order to avoid the place of line connection because high temperature takes place danger, need carry out high temperature monitoring to transformer substation's line junction.
At present, high temperature often can appear in the place that current converter and cable are connected when work, and the staff can not be timely learn the temperature between converter and the cable, and the resistance that can not be timely when danger is about to take place is dangerous to current converter can not carry out the circuit switching when converter and cable junction are overheated, makes the converter take place danger very easily.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a line junction temperature monitoring device of transformer substation has solved the problem of proposing in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including the junction box, a junction box side fixedly connected with total terminal, the first terminal of one end fixedly connected with and the second terminal of total terminal, the middle part of first terminal and second terminal is equipped with first electromagnetic switch and second electromagnetic switch respectively, the equal fixedly connected with heat conduction silica gel of tip of first terminal and second terminal, heat conduction silica gel's one end fixedly connected with divides the cable, heat conduction silica gel's top one side fixedly connected with bimetallic strip, heat conduction silica gel's top opposite side fixedly connected with arc resistance pole, fixedly connected with leads electrical pillar in the middle of heat conduction silica gel's the top, the another side fixedly connected with main cable of junction box, two branch cables of the one end fixedly connected with of main cable, the top fixedly connected with warning light of junction box.
Optionally, first electromagnetic switch, second electromagnetic switch, main cable and total terminal all have three, branch cable, heat-conducting silica gel and warning light all have six, six the warning light is connected with different first electromagnetic switch or second electromagnetic switch electricity respectively.
Optionally, the bimetallic strip is electrically connected to the first electromagnetic switch and the second electromagnetic switch through wires, and the conductive post is electrically connected to the first electromagnetic switch and the second electromagnetic switch through wires.
Optionally, the arc-shaped resistance rod and the bimetallic strip are electrically connected with an external thermometer through conducting wires respectively, the bottom of the bimetallic strip is fixedly inserted into the heat-conducting silica gel, and the branch cable is electrically connected with the first binding post or the second binding post in the heat-conducting silica gel.
Optionally, the air inlet window has been seted up to the bottom of junction box, the interior diapire fixedly connected with of junction box and the radiator fan of air inlet window looks adaptation, air outlet window has all been seted up to two sides of junction box, air outlet window has two, two air outlet window sets up at two side symmetries of junction box, air inlet window has threely, three air inlet window is at the equidistant distribution in the bottom of junction box.
Optionally, a side fixedly connected with power converter of junction box, the equal fixedly connected with fan hot plate in two sides of power converter, fan hot plate has a plurality of, a plurality of fan hot plate equidistant distribution.
Three beneficial effects
The utility model provides a line junction temperature monitoring device of transformer substation possesses following beneficial effect:
1. this line connection department temperature monitoring device of transformer substation through setting up heat conduction silica gel, can come out the timely transmission of heat that line connection department produced, can guarantee again that wiring department can not electrically conduct between the metal with the outside, utilizes the bimetallic strip bending of being heated to change the resistance in the arc resistance bar access circuit to the realization is to the measurement of temperature, makes the temperature that the staff can learn wiring department, reaches the purpose that makes the prefabricated danger of staff.
2. This line junction temperature monitoring device of transformer substation, through setting up first electromagnetic switch and second electromagnetic switch, after leading electrical pillar and bimetallic strip to switch on, the warning light that messenger that can be timely corresponds lights and sends the early warning to switch over the circuit, utilize two conductive loop to circular telegrams in turn, make the junction of a telephone switchboard have sufficient time to cool down, reach the purpose to line protection.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the front perspective structure of the present invention;
FIG. 3 is a schematic view of the sectional structure of the junction box of the present invention;
FIG. 4 is a schematic top view of the connection box of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the heat-conducting silica gel of the present invention.
In the figure: 1. a power converter; 2. a fan heating plate; 3. a junction box; 4. a vent window; 5. an air inlet window; 6. a main cable; 7. a warning light; 8. a heat radiation fan; 9. a first terminal post; 10. splitting cables; 11. a conductive post; 12. an arc-shaped resistance rod; 13. a bimetal; 14. heat conducting silica gel; 16. a second terminal; 17. a first electromagnetic switch; 18. a second electromagnetic switch; 19. and (4) a total wiring terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a temperature monitoring device for a line junction of a transformer substation comprises a junction box 3, wherein the bottom of the junction box 3 is provided with an air inlet window 5, the inner bottom wall of the junction box 3 is fixedly connected with a heat radiation fan 8 matched with the air inlet window 5, two side surfaces of the junction box 3 are respectively provided with an air outlet window 4, the two air outlet windows 4 are symmetrically arranged on the two side surfaces of the junction box 3, the number of the air inlet windows 5 is three, the three air inlet windows 5 are distributed at equal intervals at the bottom of the junction box 3, one side surface of the junction box 3 is fixedly connected with a transformer 1, two side surfaces of the transformer 1 are respectively and fixedly connected with a plurality of fan heating plates 2, the fan heating plates 2 are distributed at equal intervals, one side surface of the junction box 3 is fixedly connected with a main binding post 19, one end of the main binding post 19 is fixedly connected with a first binding post 9 and a second binding post 16, the middle parts of the first binding post 9 and the second binding post 16 are respectively provided with a first, the end parts of the first binding post 9 and the second binding post 16 are fixedly connected with a heat-conducting silica gel 14, one end of the heat-conducting silica gel 14 is fixedly connected with a branch cable 10, one side of the top of the heat-conducting silica gel 14 is fixedly connected with a bimetallic strip 13, the arc-shaped resistance rod 12 and the bimetallic strip 13 are respectively and electrically connected with an external thermometer through conducting wires, the bottom of the bimetallic strip 13 is fixedly inserted in the heat-conducting silica gel 14, the branch cable 10 is electrically connected with the first binding post 9 or the second binding post 16 in the heat-conducting silica gel 14, the other side of the top of the heat-conducting silica gel 14 is fixedly connected with the arc-shaped resistance rod 12, the middle of the top of the heat-conducting silica gel 14 is fixedly connected with a conducting post 11, the bimetallic strip 13 is respectively and electrically connected with a first electromagnetic switch 17 and a second electromagnetic switch 18 through conducting wires, the conducting post 11 is respectively and, two branch cables 10 of one end fixedly connected with of main cable 6, the top fixedly connected with warning light 7 of junction box 3, first electromagnetic switch 17, second electromagnetic switch 18, main cable 6 and total terminal 19 all have threely, and branch cable 10, heat conduction silica gel 14 and warning light 7 all have six, and six warning lights 7 are connected with different first electromagnetic switch 17 or second electromagnetic switch 18 electricity respectively.
When the temperature measuring device is used, firstly, the circuit connection part can emit heat when working, so that the temperature of the heat conducting silica gel 14 rises, the bimetallic strip 13 connected to the top of the heat conducting silica gel 14 can be heated by the heat of the heat conducting silica gel 14, the bimetallic strip 13 is bent after the bimetallic strip 13 is heated, the bent bimetallic strip 13 can slowly move on the arc-shaped resistance rod 12, so that the resistance of the arc-shaped resistance rod 12 connected into a circuit changes, the change of the temperature is indirectly reflected by the change of the current, the temperature can be reflected on a temperature measuring instrument at any time, the purpose that a worker can know the temperature of a wiring part is achieved, when the temperature of the heat conducting silica gel 14 is too high, the bimetallic strip 13 can touch the conductive column 11 by bending, and when the conductive column 11 is conducted with the bimetallic strip 13, the first electromagnetic switch 17 on the same circuit with the electrified conductive column 11 is disconnected, meanwhile, the second electromagnetic switch 18 is switched on to enable current to pass through another circuit, the problem that the circuit is not cooled timely due to the fact that the current always passes through one circuit is avoided, meanwhile, the three cooling fans 8 on the inner bottom wall of the junction box 3 blow outside cold air into the junction box 3, heat of the junction of the circuit and the heat-conducting silica gel 14 is dissipated, and the temperature of the junction is avoided being too high.
To sum up, this device is through setting up heat conduction silica gel 14, can come out the timely transmission of the heat that the circuit connection department produced, can guarantee again that the junction can not electrically conduct between with the outside metal, utilize bimetallic strip 13 to be heated the crooked resistance that changes arc resistance pole 12 and insert the circuit, thereby the realization is to the measurement of temperature, make the staff can learn the temperature of junction, reach the prefabricated dangerous mesh of messenger's staff, through setting up first electromagnetic switch 17 and second electromagnetic switch 18, after leading electrical pillar 11 and bimetallic strip 13 to switch on, the warning light 7 that makes that can be timely corresponds lights and sends the early warning, and switch the circuit, utilize two electric conduction return circuits to turn on in turn, make the junction have sufficient time cooling, reach the purpose to the line protection.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Line junction temperature monitoring device of transformer substation, including junction box (3), its characterized in that: a main binding post (19) is fixedly connected to one side face of the junction box (3), a first binding post (9) and a second binding post (16) are fixedly connected to one end of the main binding post (19), a first electromagnetic switch (17) and a second electromagnetic switch (18) are respectively arranged at the middle parts of the first binding post (9) and the second binding post (16), heat-conducting silica gel (14) is fixedly connected to the end parts of the first binding post (9) and the second binding post (16), a cable distributing cable (10) is fixedly connected to one end of the heat-conducting silica gel (14), a bimetallic strip (13) is fixedly connected to one side of the top of the heat-conducting silica gel (14), an arc-shaped resistance rod (12) is fixedly connected to the other side of the top of the heat-conducting silica gel (14), a conductive column (11) is fixedly connected to the middle of the top of the heat-conducting silica gel (14), and a main, the cable is characterized in that two branch cables (10) are fixedly connected to one end of the main cable (6), and a warning lamp (7) is fixedly connected to the top of the junction box (3).
2. The substation line connection temperature monitoring device of claim 1, wherein: first electromagnetic switch (17), second electromagnetic switch (18), thread cable (6) and total terminal (19) all have threely, branch cable (10), heat conduction silica gel (14) and warning light (7) all have six, six warning light (7) are connected with first electromagnetic switch (17) or second electromagnetic switch (18) electricity of difference respectively.
3. The substation line connection temperature monitoring device of claim 1, wherein: the bimetallic strip (13) is electrically connected with the first electromagnetic switch (17) and the second electromagnetic switch (18) through conducting wires respectively, and the conductive column (11) is electrically connected with the first electromagnetic switch (17) and the second electromagnetic switch (18) through conducting wires respectively.
4. The substation line connection temperature monitoring device of claim 1, wherein: the arc-shaped resistance rod (12) and the bimetallic strip (13) are respectively and electrically connected with an external thermometer through conducting wires, the bottom of the bimetallic strip (13) is fixedly inserted in the heat-conducting silica gel (14), and the branch cable (10) is electrically connected with the first binding post (9) or the second binding post (16) in the heat-conducting silica gel (14).
5. The substation line connection temperature monitoring device of claim 1, wherein: air inlet window (5) have been seted up to the bottom of junction box (3), interior diapire fixedly connected with of junction box (3) and radiator fan (8) of air inlet window (5) looks adaptation, air outlet window (4) have all been seted up to two sides of junction box (3), air outlet window (4) have two, two air outlet window (4) set up in two side symmetries of junction box (3), air inlet window (5) have three, three air inlet window (5) are at the bottom of junction box (3) equidistant distribution.
6. The substation line connection temperature monitoring device of claim 1, wherein: a side fixedly connected with power converter (1) of junction box (3), the equal fixedly connected with fan hot plate (2) in two sides of power converter (1), fan hot plate (2) have a plurality of, a plurality of fan hot plate (2) equidistant distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021266558.1U CN212779621U (en) | 2020-07-02 | 2020-07-02 | Temperature monitoring device for line junction of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021266558.1U CN212779621U (en) | 2020-07-02 | 2020-07-02 | Temperature monitoring device for line junction of transformer substation |
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| Publication Number | Publication Date |
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| CN212779621U true CN212779621U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021266558.1U Active CN212779621U (en) | 2020-07-02 | 2020-07-02 | Temperature monitoring device for line junction of transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686120A (en) * | 2024-02-02 | 2024-03-12 | 赣州市金电电子设备有限公司 | Current online measurement device and method for preventing overheat of power cable |
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2020
- 2020-07-02 CN CN202021266558.1U patent/CN212779621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686120A (en) * | 2024-02-02 | 2024-03-12 | 赣州市金电电子设备有限公司 | Current online measurement device and method for preventing overheat of power cable |
| CN117686120B (en) * | 2024-02-02 | 2024-04-26 | 赣州市金电电子设备有限公司 | Current online measurement device and method for preventing overheat of power cable |
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