CN206864421U - A kind of thermal circuit beraker for electrical equipment - Google Patents
A kind of thermal circuit beraker for electrical equipment Download PDFInfo
- Publication number
- CN206864421U CN206864421U CN201720708290.4U CN201720708290U CN206864421U CN 206864421 U CN206864421 U CN 206864421U CN 201720708290 U CN201720708290 U CN 201720708290U CN 206864421 U CN206864421 U CN 206864421U
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- China
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- piece
- fixedly connected
- electrical equipment
- electromagnet
- joint
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Abstract
It the utility model is related to electric circuit protection equipment field; a kind of especially thermal circuit beraker for electrical equipment; piece is fixedly connected with including housing, power supply, first, second piece is fixedly connected with, is flexibly connected piece, electromagnet and multiple thermistors; housing sidewall is provided with the first joint and the second joint; first is fixedly connected with piece is connected with the first joint; second is fixedly connected with piece is connected with the second joint, and first, which is fixedly connected with piece, is fixedly connected between piece with second and is provided with gap；Electromagnet is arranged at the lower section in gap; the top that piece is arranged at gap is flexibly connected, and electromagnet is connected by one group of spring with being flexibly connected piece, after thermistor is connected by the conductor in parallel of flexibility; it is connected to form protective loop with electromagnet, power sources in series again, protective loop is provided with starting switch.This thermal cutter, the automatic shutdown circuit when the temperature of electrical equipment is increased to certain value, more serious failure is avoided the occurrence of, ensure the service life of electrical equipment.
Description
Technical field
It the utility model is related to electric circuit protection equipment field, especially a kind of thermal circuit beraker for electrical equipment.
Background technology
Breaker has different name according to the difference of the mode of disconnection, and thermal circuit beraker is exactly one of which, and so-called heat is disconnected
Road device is a kind of breaker that tripper structure dropout is driven using bimetal leaf heating, and the tripper structure is dropout part
Mutual clamping is carried out by the control handle on operating breaker between bimetal leaf, broken down in circuit, internal temperature
When steeply rising, described bimetal leaf expanded by heating deformation so that dropout part departs from bimetal leaf and flicks dropout, the open circuit
Conduction element is additionally provided with inside device, the conduction element is used for turning circuit, back-moving spring is provided between conduction element and dropout part,
Dropout part is controlled in control handle and when bimetal leaf clamping, and the back-moving spring is stretched accumulation of energy, and then drives conducting
Part links to conduction position, if after dropout part departs from bimetal leaf, back-moving spring will discharge elastic potential energy, is turned on driving
Portion's disconnecting circuit.The specific utility model patent that refer to Application No. 201420319834.4, this breaker, bimetal leaf
Heating deformation is only determined by the electric current of circuit, can only be cut off in the case where the circuital current exceptions such as short circuit occur, when electric
Element is normal, but because when continuous firing causes the own temperature to raise, breaker is unable to detect that the high temperature of electrical equipment, nothing
Method cuts off circuit in time, may cause the service life reduction of electrical equipment, or trigger more serious accident.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of thermal circuit beraker for electrical equipment, when electric member
The temperature of part cuts off circuit when being increased to certain value, avoids the occurrence of more serious failure, ensures the service life of electrical equipment.
Technical scheme is used by the utility model solves its technical problem：A kind of thermal cut-out for electrical equipment
Device, including housing, power supply, first be fixedly connected with piece, second be fixedly connected with piece, be flexibly connected piece, electromagnet and multiple temperature-sensitives
Resistance,
The housing sidewall is provided with the first joint and the second joint, and described first is fixedly connected with piece and the first joint phase
Even, second is fixedly connected with piece is connected with the second joint, and described first, which is fixedly connected with piece, is fixedly connected between piece with second and is provided with
Gap；
The electromagnet is arranged at the lower section in gap, is flexibly connected the top that piece is arranged at gap, and electromagnet passes through one
Group is connected through the spring in gap with being flexibly connected piece, after electromagnet is powered, is flexibly connected piece in the presence of magnetic force with first
It is fixedly connected with piece and second and is fixedly connected with piece contact；
The thermistor is positive temperature coefficient thermistor, and multiple thermistors are arranged at the outside of housing, and logical
After crossing the conductor in parallel connection of flexibility, then with electromagnet, power sources in series it is connected to form protective loop, the protective loop is provided with
Starting switch.
Further, the power supply includes battery.
Further, one group of thermal vias is provided with the housing.
Further, the side wall of the housing is provided through the radiating fin of side wall.
Further, the electromagnet is provided with one group of guide pillar with being flexibly connected between piece, and the spring is socketed on guide pillar
Outer surface.
The beneficial effects of the utility model are：First joint with outside power line be connected, the second joint by wire with
Electrical equipment is connected, and multiple thermistors are installed on around electrical equipment.In use, closure starting switch, electromagnet and heat
Quick resistance is powered, meanwhile, electromagnet produces magnetic field, is flexibly connected piece and is moved downward simultaneously compression spring by the attraction of electromagnet,
Then piece and second is fixedly connected with first to be fixedly connected with piece and contact, and is fixedly connected with piece by first and is fixedly connected with piece with second and connects
It is logical, electrical equipment is powered and run.The resistance value of thermistor raises with the rise of temperature, when the temperature liter of electrical equipment
When height arrives certain value, the resistance of thermistor increases, and the electric current in protective loop reduces, and magnetic field intensity caused by electromagnet subtracts
Weak, attraction reduces, and is flexibly connected piece and departs from first under the elastic force of spring and be fixedly connected with piece and is fixedly connected with piece with second, and first
It is fixedly connected with piece and is fixedly connected with piece open circuit with second, electrical equipment power-off is out of service.This thermal cutter, when the temperature of electrical equipment
Automatic shutdown circuit when degree is increased to certain value, avoids the occurrence of more serious failure, ensures the service life of electrical equipment.
Brief description of the drawings
Fig. 1 is schematic cross-sectional view of the present utility model.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of thermal circuit beraker for electrical equipment of the present utility model, including housing 1, power supply 2, first
Piece 3 is fixedly connected with, second piece 4 is fixedly connected with, is flexibly connected piece 5, electromagnet 6 and multiple thermistors 7, housing 1 is using modeling
Expect material, first be fixedly connected piece 3, second be fixedly connected piece 4 and be flexibly connected piece 5 use sheet metal.
The side wall of housing 1 is provided with the first joint 8 and the second joint 9, and described first is fixedly connected with the joint of piece 3 and first
8 are connected, and second is fixedly connected with piece 4 is connected with the second joint 9, and described first is fixedly connected with piece 3 is fixedly connected between piece 4 with second
It is provided with gap 11；
The electromagnet 6 is arranged at the lower section in gap 11, is flexibly connected the top that piece 5 is arranged at gap 11, and electromagnet 6
It is connected by one group of spring 10 through gap 11 with being flexibly connected piece 5, after electromagnet 6 is powered, is flexibly connected piece 5 in magnetic force
Effect is lower to be fixedly connected with piece 3 and second with first and is fixedly connected with piece 4 and contacts；
The thermistor 7 is positive temperature coefficient thermistor, positive temperature coefficient thermistor refer to resistance value with
The resistance the rise of temperature and increased, multiple thermistors 7 are arranged at the outside of housing 1, and pass through the conductor in parallel of flexibility
After connection, then with electromagnet 6, power supply 2 protective loop is connected in series to form, the protective loop is provided with starting switch 12.It is soft
Property wire can bend, it is convenient that thermistor 7 is installed to around electrical equipment, using in general copper conductor.
In use, the first joint 8 is connected with the power line of outside, the second joint 9 is connected by wire with electrical equipment,
Thermistor 7 is installed on around electrical equipment, closes starting switch 12, and electromagnet 6 and thermistor 7 are powered, meanwhile, electromagnetism
Iron 6 produces magnetic field, is flexibly connected piece 5 and is moved downward simultaneously compression spring 10 by the attraction of electromagnet 6, then connects with the first fixation
Contact pin 3 is fixedly connected with piece 4 with second and contacted, and is fixedly connected with piece 3 by first and is fixedly connected with piece 4 with second and connect, makes electrical equipment
Be powered operation.The resistance value of thermistor 7 raises with the rise of temperature, when the temperature of electrical equipment is increased to certain value
When, the resistance of thermistor 7 increases, and the electric current in protective loop reduces, and magnetic field intensity caused by electromagnet 6 weakens, attraction
Reduce, be flexibly connected piece 5 and depart from first under the elastic force of spring 10 and be fixedly connected with piece 3 and be fixedly connected with piece 4 with second, the first fixation
Connection sheet 3 is fixedly connected with the open circuit of piece 4 with second, and electrical equipment power-off is out of service.This thermal cutter, when the temperature of electrical equipment
Automatic shutdown circuit when being increased to certain value, more serious failure is avoided the occurrence of, ensure the service life of electrical equipment.
Power supply 2 can use and electrical equipment identical external power source, it is preferred that the power supply 2 includes battery.
One group of thermal vias is provided with the housing 1, the side wall of the housing 1 is provided through the radiating fin of side wall
13, accelerate radiating.
The electromagnet 6 is provided with one group of guide pillar 14 with being flexibly connected between piece 5, and the spring 10 is socketed on outside guide pillar 14
Surface, ensure that the flexible connection movement locus of piece 5 is precise and stable.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (5)
- A kind of 1. thermal circuit beraker for electrical equipment, it is characterised in that：It is fixedly connected including housing (1), power supply (2), first Piece (3), second are fixedly connected with piece (4), are flexibly connected piece (5), electromagnet (6) and multiple thermistors (7),Housing (1) side wall is provided with the first joint (8) and the second joint (9), and described first is fixedly connected with piece (3) and first Joint (8) is connected, and second is fixedly connected with piece (4) is connected with the second joint (9), and described first is fixedly connected with piece (3) consolidates with second Determine to be provided with gap (11) between connection sheet (4)；The electromagnet (6) is arranged at the lower section of gap (11), is flexibly connected the top that piece (5) is arranged at gap (11), and electricity Magnet (6) is connected by one group of spring (10) through gap (11) with being flexibly connected piece (5), after electromagnet (6) is powered, activity Connection sheet (5) is fixedly connected with piece (3) and second with first in the presence of magnetic force and is fixedly connected with piece (4) and contacts；The thermistor (7) is positive temperature coefficient thermistor, and multiple thermistors (7) are arranged at the outside of housing (1), And after passing through flexible conductor in parallel connection, then with electromagnet (6), power supply (2) it is connected in series to form protective loop, the protection Loop is provided with starting switch (12).
- A kind of 2. thermal circuit beraker for electrical equipment as claimed in claim 1, it is characterised in that：The power supply (2) includes Battery.
- A kind of 3. thermal circuit beraker for electrical equipment as claimed in claim 1, it is characterised in that：Set on the housing (1) It is equipped with one group of thermal vias.
- A kind of 4. thermal circuit beraker for electrical equipment as claimed in claim 1, it is characterised in that：The side of the housing (1) Wall is provided through the radiating fin (13) of side wall.
- A kind of 5. thermal circuit beraker for electrical equipment as claimed in claim 1, it is characterised in that：The electromagnet (6) with One group of guide pillar (14) is provided between flexible connection piece (5), the spring (10) is socketed on guide pillar (14) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708290.4U CN206864421U (en) | 2017-06-16 | 2017-06-16 | A kind of thermal circuit beraker for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720708290.4U CN206864421U (en) | 2017-06-16 | 2017-06-16 | A kind of thermal circuit beraker for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206864421U true CN206864421U (en) | 2018-01-09 |
Family
ID=60826723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720708290.4U Expired - Fee Related CN206864421U (en) | 2017-06-16 | 2017-06-16 | A kind of thermal circuit beraker for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206864421U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180285A (en) * | 2020-01-10 | 2020-05-19 | 吴妍佩 | Direct current fuse |
| CN112512280A (en) * | 2020-12-14 | 2021-03-16 | 嘉兴众合信息技术有限公司 | Intelligent manufacturing server for network technology and with enhanced use stability |
| CN112614762A (en) * | 2020-12-15 | 2021-04-06 | 上海红檀智能科技有限公司 | Intelligent miniature circuit breaker |
-
2017
- 2017-06-16 CN CN201720708290.4U patent/CN206864421U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180285A (en) * | 2020-01-10 | 2020-05-19 | 吴妍佩 | Direct current fuse |
| CN112512280A (en) * | 2020-12-14 | 2021-03-16 | 嘉兴众合信息技术有限公司 | Intelligent manufacturing server for network technology and with enhanced use stability |
| CN112614762A (en) * | 2020-12-15 | 2021-04-06 | 上海红檀智能科技有限公司 | Intelligent miniature circuit breaker |
| CN112614762B (en) * | 2020-12-15 | 2021-08-31 | 上海红檀智能科技有限公司 | Intelligent miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20180616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |