CN207458866U - A kind of breaker running current instruction device - Google Patents
A kind of breaker running current instruction device Download PDFInfo
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- CN207458866U CN207458866U CN201721612829.2U CN201721612829U CN207458866U CN 207458866 U CN207458866 U CN 207458866U CN 201721612829 U CN201721612829 U CN 201721612829U CN 207458866 U CN207458866 U CN 207458866U
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- circuit breaker
- magnetic coil
- electric magnetic
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Abstract
The utility model discloses a kind of breaker running current instruction device, including being placed in inside Shell of circuit breaker and the heat-conducting piece being fixedly connected with circuit breaker electric magnetic coil and the load current monitoring unit being placed on heat-conducting piece；The load current monitoring unit mainly includes with lower component：Thermal sensing element, internal temperature during circuit breaker electric magnetic coil operation under different rated current is perceived for collecting, one end of the thermal sensing element is close to circuit breaker electric magnetic coil and in horizontally disposed, its other end is set away from circuit breaker electric magnetic coil and in pectinate texture, wherein pectinate texture is for increasing temperature gradient, and a temperature discoloring element is respectively provided at revolution of the pectinate texture away from circuit breaker electric magnetic coil one side；And transparent demonstration eyepiece, temperature discoloring member outboard is placed on Shell of circuit breaker；It the advantage is that there is load current function for monitoring, prompting and warning information can allow user to carry out dilatation, intervention, solution to potentially overloading overload.
Description
Technical field
The invention belongs to breaker technical field, more particularly, to a kind of breaker running current instruction device.
Background technology
Traditional miniature circuit breaker close a floodgate be powered after, can not be learnt by product current working line current value whether
Still have redundancy for increasing load temporarily, be only capable of offer circuit excess current protective function (under such as 1.13 times of rated current 1 it is small when in
It does not trip, when fault current rises to 1.45 times of rated current, the interior tripping when next 1 is small, under 5 times of rated current
It cannot trip in 100ms, to trip in 20ms under 10 times of rated current, GB10963.1 please be join in detail).
Some conduct pieces (electromagnetic coil) in existing breaker all have certain internal resistance, therefore when the different volume of carrying
Its caloric value is different (because of I^2*R=P, W=Pt) during constant current, that is, causes Shell of circuit breaker internal temperature different.
The content of the invention
The utility model aim is：A kind of breaker running current instruction device is provided, is not only simple in structure, user
Just, and with load current function for monitoring, prompting and warning information can allow user to potentially overload overload carry out dilatation,
Intervene, solve, to avoid the protection power failure and emergency maintenance of burst, so as to improve the stability of operation of power networks, reduce maintenance time
Number reduces power grid operation cost.
The technical solution of the utility model is：A kind of breaker running current instruction device, including being placed in breaker shell
Internal portion and the heat-conducting piece being fixedly connected with circuit breaker electric magnetic coil, the load current monitoring unit being placed on the heat-conducting piece；
The load current monitoring unit mainly includes with lower component：
Thermal sensing element perceives inside temperature during circuit breaker electric magnetic coil operation under different rated current for collecting
Degree, one end of the thermal sensing element is close to circuit breaker electric magnetic coil and in being horizontally disposed with, and the other end is away from circuit breaker electric magnet-wire
It encloses and is in that pectinate texture is set, wherein pectinate texture is for increasing temperature gradient, and in the pectinate texture away from breaker electromagnetism
A temperature discoloring element is respectively provided at the revolution of coil one side；
And transparent demonstration eyepiece, temperature discoloring member outboard is placed on Shell of circuit breaker.
As preferred technical solution, the transparent demonstration eyepiece includes three electric current indicating windows, and refers in adjacent current
Show and barrier block is set between window, and the barrier block is integrally formed with the Shell of circuit breaker.
As preferred technical solution, the load current monitoring unit is fixed on by connector on the heat-conducting piece.
As preferred technical solution, a supporting rod, and the supporting rod are respectively provided in the transparent demonstration eyepiece both sides
It is integrally formed with the Shell of circuit breaker.
The utility model has the advantages that：
1. the utility model is not only simple in structure, is easy to use, and with load current function for monitoring, prompting and early warning
Information can allow user to carry out dilatation, intervention, solution to potentially overloading overload, and the protection to avoid burst has a power failure and emergent dimension
It repaiies, so as to improve the stability of operation of power networks, reduces maintenance times, reduce power grid operation cost.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the combination schematic internal view of the utility model and breaker；
Fig. 2 is the combination of side view of the utility model and breaker；
Fig. 3 is the side view of the utility model；
Fig. 4 is the sectional view of the utility model；
Wherein：1 Shell of circuit breaker, 2 circuit breaker electric magnetic coils, 3 heat-conducting pieces, 4 thermal sensing elements, 41 pectinate textures, 5 temperature
Photochromic elements, 6 transparent demonstration eyepieces, 7 barrier blocks, 8 connectors, 9 supporting rods.
Specific embodiment
Embodiment：Referring to figs. 1 to shown in 4, a kind of breaker running current instruction device, including being placed in Shell of circuit breaker
The heat-conducting piece 3 being fixedly connected inside 1 and with circuit breaker electric magnetic coil 2, the load current monitoring unit being placed on heat-conducting piece 3；It should
Load current monitoring unit mainly includes with lower component：Thermal sensing element 4 perceives open circuit under different rated current for collecting
Internal temperature when device electromagnetic coil 2 is run, one end of the thermal sensing element 4 is set close to circuit breaker electric magnetic coil 2 and in level
It puts, the other end is set away from circuit breaker electric magnetic coil 2 and in pectinate texture 41, and wherein pectinate texture 41 is terraced for increasing temperature
Degree, and it is respectively provided with a temperature discoloring element 5 at the revolution of the pectinate texture 41 away from 2 one side of circuit breaker electric magnetic coil；And
Transparent demonstration eyepiece 6 is placed in 5 outside of temperature discoloring element on Shell of circuit breaker 1.
The transparent demonstration eyepiece 6 of the utility model includes three electric current indicating windows, and is set between adjacent current indicating window
Barrier block 7 is put, and barrier block 7 is integrally formed with Shell of circuit breaker 1.
The load current monitoring unit of the utility model is fixed on by connector 8 on heat-conducting piece 3, and in transparent instruction mesh
6 both sides of mirror are respectively provided with a supporting rod 9, and supporting rod 9 is integrally formed with Shell of circuit breaker 1.
The heat-conducting piece 3 of the utility model can be variously-shaped, in Fig. 1 heat-conducting piece 3 for L-type heat-conductive bracket or
Material is not limited to, fixed and conduction conductive component thermal energy can be met.
The utility model can be additionally used in the temperature instruction to breaker main circuit when the operation of similar power product simultaneously
Function can provide the substantially running temperature of product to the user, and facilitate user's visualizing directly perceived recognizes product temperature correlation
Operation information, provide easily information for breakdown judge, analysis and early warning etc.
The running current instruction function of the utility model is applied in the conventional product that need to be held according to environment temperature drop, is also had
Corresponding amendment instruction function, form specific as follows are done in the variation of with good grounds environment temperature：
The load current value being applicable according to environment temperature
Form holds reference table for the temperature drop of conventional small breaker, which is by being carried out not to large-tonnage product
The index of the actual test data of synthermal difference electric current, in order to can be provided for designer in varying environment and weather
Under the conditions of select more suitable product to reduce the unnecessary trip protection that environment and weather conditions is answered to generate, promote product
Operation stability.However this patent is exactly as key job condition, accordingly, it is capable to combining environmental, weather item using temperature, Wen Sheng
I caused by part and running current2T shows the running current and redundancy condition that have more directive significance to adjust.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (4)
1. a kind of breaker running current instruction device, which is characterized in that including being placed in Shell of circuit breaker（1）It is internal and with
Circuit breaker electric magnetic coil（2）The heat-conducting piece being fixedly connected（3）And it is placed in the heat-conducting piece（3）On load current monitoring it is single
Member；The load current monitoring unit mainly includes with lower component：
Thermal sensing element（4）, circuit breaker electric magnetic coil under different rated current is perceived for collecting（2）Inside temperature during operation
Degree, the thermal sensing element（4）One end close to circuit breaker electric magnetic coil（2）And in being horizontally disposed with, the other end is away from breaker
Electromagnetic coil（2）And in pectinate texture（41）It sets, wherein pectinate texture（41）For increasing temperature gradient, and in the pectination knot
Structure（41）Away from circuit breaker electric magnetic coil（2）A temperature discoloring element is respectively provided at the revolution of one side（5）；
And transparent demonstration eyepiece（6）, arranged on Shell of circuit breaker（1）On be placed in temperature discoloring element（5）Outside.
2. breaker according to claim 1 running current instruction device, which is characterized in that the transparent demonstration eyepiece
（6）Including three electric current indicating windows, and barrier block is set between adjacent current indicating window（7）, and the barrier block（7）With institute
State Shell of circuit breaker（1）It is integrally formed.
3. breaker according to claim 1 running current instruction device, which is characterized in that the load current monitoring
Unit passes through connector（8）It is fixed on the heat-conducting piece（3）On.
4. breaker according to claim 1 running current instruction device, which is characterized in that in the transparent instruction mesh
Mirror（6）Both sides are respectively provided with a supporting rod（9）, and the supporting rod（9）With the Shell of circuit breaker（1）It is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612829.2U CN207458866U (en) | 2017-11-28 | 2017-11-28 | A kind of breaker running current instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612829.2U CN207458866U (en) | 2017-11-28 | 2017-11-28 | A kind of breaker running current instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458866U true CN207458866U (en) | 2018-06-05 |
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ID=62277308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721612829.2U Active CN207458866U (en) | 2017-11-28 | 2017-11-28 | A kind of breaker running current instruction device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207458866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051629A (en) * | 2017-11-28 | 2018-05-18 | 法泰电器（江苏）股份有限公司 | A kind of breaker load current monitoring device |
| CN108051629B (en) * | 2017-11-28 | 2024-07-12 | 法泰电器（江苏）股份有限公司 | Load current monitoring device for circuit breaker |
-
2017
- 2017-11-28 CN CN201721612829.2U patent/CN207458866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051629A (en) * | 2017-11-28 | 2018-05-18 | 法泰电器（江苏）股份有限公司 | A kind of breaker load current monitoring device |
| CN108051629B (en) * | 2017-11-28 | 2024-07-12 | 法泰电器（江苏）股份有限公司 | Load current monitoring device for circuit breaker |
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