CN205104432U - Knob insulator formula circuit breaker - Google Patents
Knob insulator formula circuit breaker Download PDFInfo
- Publication number
- CN205104432U CN205104432U CN201520814409.7U CN201520814409U CN205104432U CN 205104432 U CN205104432 U CN 205104432U CN 201520814409 U CN201520814409 U CN 201520814409U CN 205104432 U CN205104432 U CN 205104432U
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- Prior art keywords
- contact
- arc
- wiring board
- air cylinder
- insulator
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Abstract
The utility model discloses a knob insulator formula circuit breaker, including last wiring board, arc extinguishing insulator, stationary contact headstock and support insulator, it establishes on the arc extinguishing insulator to go up the wiring board, the stationary contact headstock is established in the arc extinguishing insulator, stationary contact headstock below is provided with static contact and quiet arc contact, the quiet arc contact is established in the static contact, be provided with insulating pull rod in the support insulator, be provided with down wiring board and air cylinder on the insulating pull rod, insulating pull rod and pressure cylinder drive connection, be provided with on the air cylinder and move arc contact and spout, go up wiring board, quiet arc contact, move the arc contact and play wiring board electric connection in proper order, the static contact is held and is connected with moving arc contact card, this knob insulator formula circuit breaker convenient operation, and the arc extinguishing is effectual, safe and reliable, operating stability is good.
Description
Technical field
The utility model relates to a kind of electrical equipment technical field, particularly relates to a kind of porcelain knob breaker.
Background technology
Circuit breaker refers to and can close, carrying and the electric current under cut-offfing normal loop condition also can close, the switching device of carrying and the electric current under cut-offfing abnormal loop condition in official hour, circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application, high-low pressure identification of boundaries is fuzzyyer, general more than 3kV is called High-Voltage Electrical Appliances, circuit breaker can be used to distribute electric energy, infrequently start asynchronous motor, protection is carried out to power circuit and motor etc., can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc., and generally do not need to change parts after disjunction fault current, at present, obtain a wide range of applications, the generation of electricity, conveying, in using, distribution is an extremely important link, distribution system comprises transformer and various high and low voltage electrical equipment equipment, low-voltage circuit breaker is then the electrical equipment that a kind of use has a large capacity and a wide range.
The main contacts of low-voltage circuit breaker is by manual operation or electric switch-on, after main contacts is closed, main contacts is locked on closing position by free tripping mechanism, the coil of overcurrent trip and the thermal element of thermal overload release are connected with main circuit, the coil of under-voltage release and power sources in parallel, when circuit be short-circuited or heavy overload time, the armature adhesive of overcurrent trip, make free tripping mechanism action, main contacts disconnects main circuit, when circuit overloads, the thermal element heating of thermal overload release makes on bimetal leaf bending, promote free tripping mechanism action, when circuit under voltage, the armature release of under-voltage release, also free tripping mechanism action is made, shunt release is then used as far distance controlled, when normally working, its coil is power-off, when needs distance controlling, press starting button, make coil electricity, the progress of vacuum circuit-breaker technology, the progress of vacuum circuit-breaker technology shows high capacity, low overvoltage, intelligent and miniaturized, and this progress is due to vacuum technique, the development of arc control device technology and adopting new technology, the result of new material and new actuating technology.
Current existing breaker structure is complicated, installs inconvenient, there is certain potential safety hazard in use.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of easy to operate, and arc quenching effect is good, safe and reliable, the porcelain knob breaker of good operation stability.
For solving the problem, the utility model adopts following technical scheme: a kind of porcelain knob breaker, comprise upper wiring board, arc-extinguishing porcelain jacket, fixed contact pedestal and support insulator, described upper wiring board is located on arc-extinguishing porcelain jacket, described fixed contact pedestal is located in arc-extinguishing porcelain jacket, fixed contact and static arc contact is provided with below described fixed contact pedestal, described static arc contact is located in fixed contact, insulated tension pole is provided with in described support insulator, arc-extinguishing porcelain jacket inside can form arc control device, handling safety when keeping using, support that insulator can conveniently be installed, keep insulation effect good, upper wiring board and lower terminal block are conveniently linked in circuit, keep good operation stability, air cylinder drives moving arcing contact to move, facilitate the break-make of regulating circuit, described insulated tension pole is provided with lower terminal block and air cylinder, described insulated tension pole and air cylinder are in transmission connection, described air cylinder is provided with moving arcing contact and spout, described upper wiring board, static arc contact, moving arcing contact and lower terminal block are electrically connected successively, described fixed contact holds with moving arcing contact and is connected.
As preferably, described arc-extinguishing porcelain jacket and support that insulator arranged outside has framework, holding structure is stablized, and conveniently installs.
As preferably, described upper wiring board and lower terminal block are brass terminal block, keep good electric conductivity.
As preferably, described insulated tension pole is rubber pull bar, keeps good insulation effect, easy to operate.
As preferably, described spout is communicated with air cylinder, facilitates air cylinder to run.
This technical scheme has easy to operate, and arc quenching effect is good, safe and reliable, the feature of good operation stability.
The beneficial effects of the utility model are: the arc-extinguishing porcelain jacket inside of setting can form arc control device, handling safety when keeping using, support that insulator can conveniently be installed, keep insulation effect good, upper wiring board and lower terminal block are conveniently linked in circuit, keep good operation stability, air cylinder drives moving arcing contact to move, and facilitates the break-make of regulating circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of porcelain knob breaker of the present utility model.
Embodiment
Consult shown in Fig. 1, a kind of porcelain knob breaker, comprise upper wiring board 1, arc-extinguishing porcelain jacket 2, fixed contact pedestal 3 and support insulator 4, described upper wiring board 1 is located on arc-extinguishing porcelain jacket 2, described fixed contact pedestal 3 is located in arc-extinguishing porcelain jacket 2, fixed contact 5 and static arc contact 6 is provided with below described fixed contact pedestal 3, described static arc contact 6 is located in fixed contact 5, insulated tension pole 7 is provided with in described support insulator 4, described insulated tension pole 7 is provided with lower terminal block 8 and air cylinder 9, in use, upper wiring board 1 and lower terminal block 8 are linked in circuit, by mobile insulated tension pole 7, the moving arcing contact 10 on air cylinder 9 is moved, thus the break-make of regulating circuit, described insulated tension pole 7 is in transmission connection with air cylinder 9, described air cylinder 9 is provided with moving arcing contact 10 and spout 11, described upper wiring board 1, static arc contact 6, moving arcing contact 10 and lower terminal block 8 are electrically connected successively, described fixed contact 5 holds with moving arcing contact 10 and is connected.
Described arc-extinguishing porcelain jacket 2 and support insulator 4 arranged outside have framework 12, and in use, holding structure is stablized, convenient installation.
Described upper wiring board 1 and lower terminal block 8 are brass terminal block, in use, keep good electric conductivity.
Described insulated tension pole 7 is rubber pull bar, in use, keeps good insulation effect, easy to operate.
Described spout 11 is communicated with air cylinder 9, in use, facilitates air cylinder 9 to run.
In use, upper wiring board 1 and lower terminal block 8 are linked in circuit, by mobile insulated tension pole 7, the moving arcing contact 10 on air cylinder 9 are moved, thus the break-make of regulating circuit.
The beneficial effects of the utility model are: the arc-extinguishing porcelain jacket inside of setting can form arc control device, handling safety when keeping using, support that insulator can conveniently be installed, keep insulation effect good, upper wiring board and lower terminal block are conveniently linked in circuit, keep good operation stability, air cylinder drives moving arcing contact to move, and facilitates the break-make of regulating circuit.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; any change of expecting without creative work or replacement; all should be encompassed within protection range of the present utility model; therefore, the protection range that protection range of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a porcelain knob breaker, it is characterized in that: comprise upper wiring board, arc-extinguishing porcelain jacket, fixed contact pedestal and support insulator, described upper wiring board is located on arc-extinguishing porcelain jacket, described fixed contact pedestal is located in arc-extinguishing porcelain jacket, fixed contact and static arc contact is provided with below described fixed contact pedestal, described static arc contact is located in fixed contact, insulated tension pole is provided with in described support insulator, described insulated tension pole is provided with lower terminal block and air cylinder, described insulated tension pole and air cylinder are in transmission connection, described air cylinder is provided with moving arcing contact and spout, described upper wiring board, static arc contact, moving arcing contact and lower terminal block are electrically connected successively, described fixed contact holds with moving arcing contact and is connected.
2. porcelain knob breaker according to claim 1, is characterized in that: described arc-extinguishing porcelain jacket and support insulator arranged outside have framework.
3. porcelain knob breaker according to claim 1, is characterized in that: described upper wiring board and lower terminal block are brass terminal block.
4. porcelain knob breaker according to claim 1, is characterized in that: described insulated tension pole is rubber pull bar.
5. porcelain knob breaker according to claim 1, is characterized in that: described spout is communicated with air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520814409.7U CN205104432U (en) | 2015-10-21 | 2015-10-21 | Knob insulator formula circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520814409.7U CN205104432U (en) | 2015-10-21 | 2015-10-21 | Knob insulator formula circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104432U true CN205104432U (en) | 2016-03-23 |
Family
ID=55520193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520814409.7U Active CN205104432U (en) | 2015-10-21 | 2015-10-21 | Knob insulator formula circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244222A (en) * | 2015-10-21 | 2016-01-13 | 成都迅德科技有限公司 | Porcelain knob-type circuit breaker |
-
2015
- 2015-10-21 CN CN201520814409.7U patent/CN205104432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244222A (en) * | 2015-10-21 | 2016-01-13 | 成都迅德科技有限公司 | Porcelain knob-type circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |