CN204497173U - A kind of low-voltage circuit breaker with protective circuit - Google Patents
A kind of low-voltage circuit breaker with protective circuit Download PDFInfo
- Publication number
- CN204497173U CN204497173U CN201520225508.1U CN201520225508U CN204497173U CN 204497173 U CN204497173 U CN 204497173U CN 201520225508 U CN201520225508 U CN 201520225508U CN 204497173 U CN204497173 U CN 204497173U
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- release
- voltage
- tripping mechanism
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- free tripping
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- 230000001681 protective effect Effects 0.000 title claims abstract description 16
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
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Abstract
The utility model discloses a kind of low-voltage circuit breaker with protective circuit, comprise free tripping mechanism, overcurrent trip, shunt release, thermal overload release, under-voltage release and start button; Described free tripping mechanism is arranged on overall middle part, and the side of free tripping mechanism arranges main contact; Described overcurrent trip is arranged between main contact and thermal overload release; Described thermal overload release is arranged on the bottom of free tripping mechanism; Described under-voltage release is arranged on the side of thermal overload release; Described start button is arranged on the side of under-voltage release; Described shunt release to be arranged on the electric wire with start button and to be positioned at the top of under-voltage release; This kind of low-voltage circuit breaker not only can disjunction rated current, general electric current, can also disjunction short circuit current; also can be used for connecting frequently and point deenergizing and actuating motor; and possess multi-protective function and creepage protection function, operating value is adjustable, easy and safe to operate.
Description
Technical field
The utility model relates to low-voltage circuit breaker technical field, especially a kind of low-voltage circuit breaker with protective circuit.
Background technology
Low-voltage circuit breaker is that one not only can be connected and disjunction normal duty electric current and overload electric current; it is equivalent to the combination of knife switch, fuse, thermal relay, overcurrent relay and under voltage relay; be the electrical equipment that a kind of existing hand switch effect can carry out again under voltage, dead electricity pressure, overload and protective circuit automatically, the device for switching with disjunction short circuit current can also be connected.Low-voltage circuit breaker is in circuit except playing control action; also there is certain defencive function; as overload, short circuit, under-voltage and earth leakage protective etc.; and current circuit breaker more or less exist certain operations malfunctioning, close performance accident and the problem such as electric conductivity is not good; if circuit breaker occurs to drag or malfunction; to constitute a serious threat to electrical network, therefore, we have proposed a kind of low-voltage circuit breaker with protective circuit for the problems referred to above.
Prior art can not meet the needs of people; for making up prior art deficiency; the utility model aims to provide a kind of low-voltage circuit breaker with protective circuit; it has in circuit except playing control action; also there is certain defencive function; as series of advantages such as overload, short circuit, under-voltage and earth leakage protectives, by optimizing overall design, solve the problem in background technology.
For achieving the above object, the utility model by the following technical solutions: a kind of low-voltage circuit breaker with protective circuit, comprises free tripping mechanism, overcurrent trip, shunt release, thermal overload release, under-voltage release and start button; Described free tripping mechanism is arranged on overall middle part, and the side of free tripping mechanism arranges main contact; Described overcurrent trip is arranged between main contact and thermal overload release; Described thermal overload release is arranged on the bottom of free tripping mechanism; Described under-voltage release is arranged on the side of thermal overload release; Described start button is arranged on the side of under-voltage release; Described shunt release to be arranged on the electric wire with start button and to be positioned at the top of under-voltage release.
Further, described main contact is connected with under-voltage release, shunt release by electric wire, and main contact is the main contact of a kind of time font structure.
Further, described main contact side is provided with spring, and main contact can with free tripping mechanism hook.
Further, described free tripping mechanism is the free tripping mechanism of king's font structure, and both sides are provided with lever to regulate the lifting of free tripping mechanism.
Further, described under-voltage release is provided with spring to be connected with shunt release.
The beneficial effects of the utility model are: this kind of low-voltage circuit breaker overall structure is simple; easy to use; applied range; not only can disjunction rated current; general electric current, can also disjunction short circuit current, under normal operation; also can be used for connecting frequently and point deenergizing and actuating motor, series of advantages such as also possessing multi-protective function and creepage protection function, operating value is adjustable, breaking capacity is high, be easy to operate, safe.
Utility model content
Accompanying drawing explanation
Fig. 1 is the utility model whole interior connection diagram;
Fig. 2 is the utility model overall structure schematic diagram.
In figure: 1, main contact, 2, free tripping mechanism, 3, overcurrent trip, 4, shunt release, 5, thermal overload release, 6, under-voltage release, 7, start button.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, a kind of low-voltage circuit breaker with protective circuit, comprise free tripping mechanism 2, overcurrent trip 3, shunt release 4, thermal overload release 5, under-voltage release 6 and start button 7; Described free tripping mechanism 2 is arranged on overall middle part, and the side of free tripping mechanism 2 arranges main contact 1; Described overcurrent trip 3 is arranged between main contact 1 and thermal overload release 5; Described thermal overload release 5 is arranged on the bottom of free tripping mechanism 2; Described under-voltage release 6 is arranged on the side of thermal overload release 5; Described start button 7 is arranged on the side of under-voltage release 6; Described shunt release 4 to be arranged on the electric wire with start button 7 and to be positioned at the top of under-voltage release 6.
Use novel optimisation technique scheme as this: described main contact 1 is connected with under-voltage release 6, shunt release 4 by electric wire, and main contact 1 is the main contact 1 of a kind of time font structure; Described main contact 1 side is provided with spring, and main contact 1 can with free tripping mechanism 2 hook; Described free tripping mechanism 2 is the free tripping mechanism 2 of king's font structure, and both sides are provided with lever to regulate the lifting of free tripping mechanism 2; Described under-voltage release 6 is provided with spring be connected with shunt release 4.
As operation principle of the present utility model: after main contact 1 is closed, free tripping mechanism 2 will firmly be lifted one's head on the closing position of place, and the coil of overcurrent trip 3 and the pyrogen part of thermal overload release 5 are connected with main circuit, the coil of under-voltage release 6 and power sources in parallel.When circuit be short-circuited or heavy overload time, the armature adhesive of overcurrent trip 3, make free tripping mechanism 2 action, main contact 1 disconnects main circuit, work as circuit overloads, the thermal element heating of thermal overload release 5 makes bimetal leaf be bent upwards, and promotes the armature release of free tripping mechanism 2, also makes free tripping mechanism 2 action, shunt release 4 is used as far distance controlled, when normally working, its coil is power-off, when needs far distance controlled, press start button 7, make coil electricity, armature drives free tripping mechanism 3 action, and main contact 1 is disconnected.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.The above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection range that all should be included in technical solutions of the utility model.
Claims (5)
1. there is a low-voltage circuit breaker for protective circuit, comprise free tripping mechanism, overcurrent trip, shunt release, thermal overload release, under-voltage release and start button; It is characterized in that: described free tripping mechanism is arranged on overall middle part, and the side of free tripping mechanism arranges main contact; Described overcurrent trip is arranged between main contact and thermal overload release; Described thermal overload release is arranged on the bottom of free tripping mechanism; Described under-voltage release is arranged on the side of thermal overload release; Described start button is arranged on the side of under-voltage release; Described shunt release to be arranged on the electric wire with start button and to be positioned at the top of under-voltage release.
2. a kind of low-voltage circuit breaker with protective circuit according to claim 1, is characterized in that: described main contact is connected with under-voltage release, shunt release by electric wire, and main contact is the main contact of a kind of time font structure.
3. a kind of low-voltage circuit breaker with protective circuit according to claim 1 and 2, is characterized in that: described main contact side is provided with spring, and main contact can with free tripping mechanism hook.
4. a kind of low-voltage circuit breaker with protective circuit according to claim 1, is characterized in that: described free tripping mechanism is the free tripping mechanism of king's font structure, and both sides are provided with lever to regulate the lifting of free tripping mechanism.
5. a kind of low-voltage circuit breaker with protective circuit according to claim 1, is characterized in that: described under-voltage release is provided with spring and is connected with shunt release.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225508.1U CN204497173U (en) | 2015-04-14 | 2015-04-14 | A kind of low-voltage circuit breaker with protective circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225508.1U CN204497173U (en) | 2015-04-14 | 2015-04-14 | A kind of low-voltage circuit breaker with protective circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497173U true CN204497173U (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520225508.1U Expired - Fee Related CN204497173U (en) | 2015-04-14 | 2015-04-14 | A kind of low-voltage circuit breaker with protective circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529228A (en) * | 2016-01-28 | 2016-04-27 | 沈阳工业大学 | Controllable electromagnetic release capable of realizing short-circuit protection and control method |
| CN108597967A (en) * | 2018-01-17 | 2018-09-28 | 安徽中骄智能科技有限公司 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
-
2015
- 2015-04-14 CN CN201520225508.1U patent/CN204497173U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529228A (en) * | 2016-01-28 | 2016-04-27 | 沈阳工业大学 | Controllable electromagnetic release capable of realizing short-circuit protection and control method |
| CN105529228B (en) * | 2016-01-28 | 2019-01-22 | 沈阳工业大学 | The controllable electromagnetic buckle releaser and control method of short-circuit protection can be achieved |
| CN108597967A (en) * | 2018-01-17 | 2018-09-28 | 安徽中骄智能科技有限公司 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
| CN108597967B (en) * | 2018-01-17 | 2019-09-13 | 安徽中骄智能科技有限公司 | A kind of thermal tripping broken circuit protecting equipment pushing away formula based on sheet metal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |