CN209859885U - Intelligent circuit breaker - Google Patents
Intelligent circuit breaker Download PDFInfo
- Publication number
- CN209859885U CN209859885U CN201822276417.7U CN201822276417U CN209859885U CN 209859885 U CN209859885 U CN 209859885U CN 201822276417 U CN201822276417 U CN 201822276417U CN 209859885 U CN209859885 U CN 209859885U
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- Prior art keywords
- tripping
- circuit breaker
- controller
- hook
- rod
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Abstract
The utility model discloses an intelligent circuit breaker, which comprises a tripping controller and a tripping component; the tripping assembly at least comprises a chain, a tripping rod and a hook, the chain is arranged at a fixed position, one end of the tripping rod is connected with the tripping controller, the other end of the tripping rod is connected with the hook, one end of the hook is connected with a fixed shaft, the other end of the hook is in contact with the chain under the action of no external force, and the tripping assembly is in a closed state; when the tripping controller meets a specific condition (such as the temperature around the intelligent circuit breaker is raised to the rated temperature or a remote tripping instruction is received), the tripping controller provides a thrust force for the tripping rod, the other end of the hook can be separated from the chain under the action of the thrust force applied to the tripping rod, and the tripping component enters a tripping state.
Description
Technical Field
The utility model relates to an electric power safety technical field especially relates to an intelligent circuit breaker.
Background
An air switch, also called an air circuit breaker, belongs to a switch which can be automatically switched off as long as the current in the circuit exceeds the rated current. The air switch is an important electric appliance in a low-voltage distribution network and an electric power dragging system, and integrates control and multiple protection functions. In practical application, besides the contact and the disconnection of the circuit, the protection device can also protect the short circuit, serious overload, undervoltage and the like of the circuit or electrical equipment.
However, since the protective trip action of the air switch is completely dependent on the passive sensing of the current change in the line by the magnetic valve drive coil, the trip action is less active; and the fire-resistant switch is lack of sensitivity to common electrical appliance fires, artificial intelligence disconnection and remote active disconnection cannot be realized.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an above-mentioned problem in order to solve current air switch existence creatively provides an intelligent circuit breaker.
According to a first aspect of embodiments of the present invention, there is provided an intelligent circuit breaker, comprising a trip controller and a trip assembly; the tripping assembly at least comprises a chain, a tripping rod and a hook, the chain is arranged at a fixed position, one end of the tripping rod is connected with the tripping controller, the other end of the tripping rod is connected with the hook, one end of the hook is connected with a fixed shaft, the other end of the hook is in contact with the chain under the action of no external force, and the tripping assembly is in a closed state;
when the tripping controller meets a specific condition, the tripping controller provides a thrust to the tripping rod, the other end of the hook can be separated from the chain under the action of the thrust applied to the tripping rod, and the tripping component enters a tripping state.
According to an embodiment of the present invention, the trip controller comprises a titanium alloy driver; the specific condition is that the temperature around the titanium alloy driver is increased to a rated temperature; correspondingly, when the temperature of the periphery of the titanium alloy driver is increased to the rated temperature, the titanium alloy driver is subjected to shrinkage deformation, so that a pushing force is provided for the trip rod.
According to an embodiment of the present invention, the rated temperature is 90 ℃ to 120 ℃.
According to an embodiment of the present invention, the titanium alloy driver is a titanium alloy wire or a titanium alloy guide piece.
According to an embodiment of the present invention, the trip controller includes a command controller; the specific condition is that the instruction controller receives a remote tripping instruction; correspondingly, when the command controller receives a remote tripping command, the command controller provides a thrust force for the tripping rod.
According to an embodiment of the present invention, the intelligent circuit breaker is connected to the intelligent monitoring system via a network; the instruction controller receives a remote tripping instruction sent by the intelligent monitoring system.
According to the utility model relates to an embodiment, work as when intelligent monitoring system detects load operating mode anomaly, to instruction controller sends long-range dropout instruction.
According to the utility model relates to an embodiment when intelligence circuit breaker's ambient temperature is in the temperature threshold value within range, the other end of hasp with the chain contacts under no exogenic action, tripping assembly is in closed state.
According to an embodiment of the present invention, the temperature threshold range is-50 ℃ to 80 ℃.
According to an embodiment of the present invention, the intelligent circuit breaker further comprises a reset controller connected to the trip unit; when the reset controller receives a remote control instruction of tripping and resetting, the reset controller provides a pulling force for the tripping rod, the other end of the hook can be in re-contact with the chain under the action of the pulling force of the tripping rod, the tripping component restores to a closed state, and the pulling force is opposite to the pushing force.
The utility model relates to an intelligent circuit breaker, intelligent circuit breaker includes trip control ware and dropout subassembly; the tripping assembly at least comprises a chain, a tripping rod and a hook, the chain is arranged at a fixed position, one end of the tripping rod is connected with the tripping controller, the other end of the tripping rod is connected with the hook, one end of the hook is connected with a fixed shaft, the other end of the hook is in contact with the chain under the action of no external force, and the tripping assembly is in a closed state; when the tripping controller meets a specific condition (such as the temperature around the intelligent circuit breaker is raised to the rated temperature or a remote tripping instruction is received), the tripping controller provides a thrust force for the tripping rod, the other end of the hook can be separated from the chain under the action of the thrust force applied to the tripping rod, and the tripping component enters a tripping state. Therefore, the protection and circuit breaking actions of the intelligent circuit breaker do not depend on the passive perception of the magnetic valve driving coil on the current change in the line any more, and the circuit breaking actions have initiative; and the circuit breaker has certain sensitivity to common electrical appliance fires, so that artificial intelligence circuit breaking and remote active circuit breaking are realized.
It is to be understood that the teachings of the present invention need not achieve all of the above-described benefits, but rather that certain aspects may achieve certain technical results, and that other embodiments of the present invention may achieve other benefits not mentioned above.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.
Fig. 1 is a schematic view showing a service logic of a general air circuit breaker in the related art;
fig. 2 shows a schematic diagram of a composition structure of an intelligent circuit breaker according to an embodiment of the present invention;
fig. 3 shows a schematic diagram of service logic of the intelligent circuit breaker according to an embodiment of the present invention.
Detailed Description
The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments. It should be understood that these embodiments are given only for the purpose of enabling those skilled in the art to better understand and to implement the invention, and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The technical solution of the present invention will be further elaborated with reference to the accompanying drawings and specific embodiments.
At present, the response events of the common air circuit breaker in the related art include short circuit, overload, undervoltage, and tripping, and the structure of triggering the disconnection (i.e. tripping) is divided into two types, namely an electromagnetic valve composed of an electromagnetic trip and an armature, and a deformed bimetallic strip composed of a bimetallic strip and a heating element, so that the driving force for realizing the disconnection action comes from the pre-tensioned spring mechanical energy storage, and the specific business logic is as shown in fig. 1, and mainly includes: in a normal state of the load or a state of being reset by hand, the air circuit breaker is in a closed state; the air circuit breaker is in a disconnection state under the conditions that the circuit is broken to trigger the electromagnetic tripping, or the overload triggers the bimetallic strip to trip, or the undervoltage triggers the electromagnetic tripping.
In summary, the protection and circuit breaking actions of the existing air circuit breaker, namely an air switch, completely depend on the passive perception of the magnetic valve driving coil on the current change in the line, and the circuit breaking actions lack the initiative; and the fire-resistant switch is lack of sensitivity to common electrical appliance fires, artificial intelligence disconnection and remote active disconnection cannot be realized.
In order to solve the problem, the embodiment of the utility model provides an intelligent circuit breaker. Referring to fig. 2, the intelligent circuit breaker according to the embodiment of the present invention includes at least a trip controller 21 and a trip assembly 22. Under a normal working state, the trip assembly 22 at least comprises a chain 221, a trip bar 222 and a hook 223, the chain 221 is arranged at a fixed position, one end of the trip bar 222 is connected with the trip controller 21, the other end of the trip bar 222 is connected with the hook 223, one end of the hook 223 is connected with a fixed shaft 224, the other end of the hook 223 is in contact with the chain 221 under the action of no external force, and at the moment, the trip assembly 22 is in a closed state, so that the whole intelligent circuit breaker is in the closed state.
When an abnormal condition exists, namely the tripping controller 21 meets a specific condition, the tripping controller 21 provides a thrust force for the tripping rod, the other end of the hook can be separated from the chain under the action of the thrust force applied to the tripping rod, and the tripping assembly 22 enters a tripping state at the moment, so that the whole intelligent circuit breaker is in a disconnection state.
In one possible embodiment, as shown in fig. 2, the trip controller 21 includes a titanium alloy driver 211; correspondingly, a specific condition is that the temperature around the titanium alloy driver 211 is raised to the rated temperature. Accordingly, when the temperature around titanium alloy driver 211 is increased to the rated temperature, titanium alloy driver 211 is shrunk and deformed, thereby providing a pushing force to the trip bar.
For example, in a simulation scene, a space where the distribution box is located is on fire, the temperature is abnormal, namely, the temperature around the titanium alloy driver is rapidly increased to a rated temperature, such as 90-120 ℃, at the moment, the titanium alloy driver is contracted and deformed, so that a thrust is provided for the trip rod, the other end of the hook can be separated from the chain under the action of the thrust applied to the trip rod, and at the moment, the trip assembly enters a trip state, so that the whole intelligent circuit breaker automatically trips and is powered off.
Here, the titanium alloy actuator is a titanium alloy wire or a titanium alloy guide vane. In practical application, when the temperature around the titanium alloy driver is rapidly increased to 90 ℃, the thrust provided for the trip rod is continuously increased along with the temperature increase along with the shrinkage deformation of the titanium alloy driver.
In one possible embodiment, as shown in fig. 2, the trip controller 21 includes a command controller 212; correspondingly, the specific condition is that the command controller 212 receives a remote trip command. Accordingly, when command controller 212 receives a remote trip command, command controller 212 provides a pushing force to the trip bar. The command controller 212 generally receives a remote trip command transmitted by the smart monitoring system connected to the smart monitoring system through a network.
In a simulation scene, when the intelligent monitoring system detects that the load working condition is abnormal, such as the temperature of load equipment exceeds the limit or the current exceeds the limit, a remote tripping instruction is automatically sent to the instruction controller; when the instruction controller receives a remote tripping instruction, the instruction controller provides a thrust for the tripping rod, so that the other end of the hook can be separated from the chain under the action of the thrust borne by the tripping rod, the tripping component enters a tripping state at the moment, the whole intelligent circuit breaker is disconnected, and the remote power-off control is realized.
In another simulation scene, an administrator sends a remote tripping instruction to the instruction controller through the intelligent monitoring system according to needs; when the instruction controller receives a remote tripping instruction, the instruction controller provides a thrust for the tripping rod, so that the other end of the hook can be separated from the chain under the action of the thrust borne by the tripping rod, the tripping component enters a tripping state at the moment, the whole intelligent circuit breaker is disconnected, and the remote power-off control is realized.
In yet another possible embodiment, when the ambient temperature of the smart circuit breaker is within a temperature threshold range, such as-50 ℃ to 80 ℃, the other end of the hook is in contact with the chain without external force, and the trip assembly is in the closed state. In other words, the intelligent circuit breaker is in a working state within a temperature threshold range of-50 ℃ to 80 ℃.
According to an embodiment of the present invention, the intelligent circuit breaker further comprises a reset controller connected to the trip unit; when the reset controller receives a remote control instruction of tripping reset, the reset controller provides a pulling force for the tripping rod, the other end of the hook can be in re-contact with the chain under the action of the pulling force of the tripping rod, and the tripping component is restored to the closed state at the moment. Wherein, the pulling force is a acting force opposite to the pushing force, namely the pulling force is opposite to the pushing force.
Based on aforementioned several possible embodiments, the utility model discloses intelligent circuit breaker's response incident is except including ordinary air circuit breaker's short circuit, overload, and is under-voltage, still includes ambient temperature too high or other unusual operating mode (like load operating mode abnormity) condition, also can include mandatory remote tripping command or remote reset instruction (the remote control instruction that the dropout resets promptly). At this moment, the utility model discloses intelligent circuit breaker's concrete business logic is shown as figure 3, mainly includes: in a normal load state, the intelligent circuit breaker is in a closed state through manual reset or remote instruction reset (optional); the intelligent circuit breaker is in a disconnection state under the conditions that an open circuit triggers electromagnetic tripping, an overload triggers bimetallic strip tripping, an undervoltage triggers electromagnetic tripping, an intelligent alloy tripping due to overhigh environmental temperature or a remote instruction tripping in an emergency.
Therefore, the protection circuit breaking action of the intelligent circuit breaker of the utility model does not depend on the passive perception of the magnetic valve driving coil on the current change in the circuit any more, and the circuit breaking action has initiative; and the circuit breaker has certain sensitivity to common electrical appliance fires, so that artificial intelligence circuit breaking and remote active circuit breaking are realized. The novel intelligent distribution box/power monitoring system under the background of the Internet of things provides brand-new initiative and remote intelligent open circuit response capability, and can greatly improve the power utilization safety bubbles of users, so that the occurrence probability of safety production accidents is reduced.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A smart circuit breaker, characterized in that the smart circuit breaker comprises: a trip controller and a trip assembly; the tripping assembly at least comprises a chain, a tripping rod and a hook, the chain is arranged at a fixed position, one end of the tripping rod is connected with the tripping controller, the other end of the tripping rod is connected with the hook, one end of the hook is connected with a fixed shaft, the other end of the hook is in contact with the chain under the action of no external force, and the tripping assembly is in a closed state;
when the tripping controller meets a specific condition, the tripping controller provides a thrust to the tripping rod, the other end of the hook can be separated from the chain under the action of the thrust applied to the tripping rod, and the tripping component enters a tripping state.
2. The smart circuit breaker of claim 1 wherein the trip controller comprises a titanium alloy driver; the specific condition is that the temperature around the titanium alloy driver is increased to a rated temperature;
correspondingly, when the temperature of the periphery of the titanium alloy driver is increased to the rated temperature, the titanium alloy driver is subjected to shrinkage deformation, so that a pushing force is provided for the trip rod.
3. The smart circuit breaker according to claim 2, wherein the rated temperature is 90-120 ℃.
4. The smart circuit breaker of claim 2 wherein the titanium alloy actuator is a titanium alloy wire or a titanium alloy blade.
5. The smart circuit breaker of claim 1 wherein said trip controller comprises a command controller; the specific condition is that the instruction controller receives a remote tripping instruction;
correspondingly, when the command controller receives a remote tripping command, the command controller provides a thrust force for the tripping rod.
6. The intelligent circuit breaker according to claim 5, wherein the intelligent circuit breaker is in network connection with an intelligent monitoring system; the instruction controller receives a remote tripping instruction sent by the intelligent monitoring system.
7. The intelligent circuit breaker as recited in claim 6, wherein when the intelligent monitoring system detects an abnormal load condition, a remote trip command is sent to the command controller.
8. The smart circuit breaker as recited in claim 1, wherein when the ambient temperature of the smart circuit breaker is within a temperature threshold, the other end of the hook is in contact with the chain without an external force, and the trip assembly is in a closed state.
9. The smart circuit breaker according to claim 8, wherein the temperature threshold ranges from-50 ℃ to 80 ℃.
10. The smart circuit breaker as recited in any one of claims 1, 2 or 5, further comprising a reset controller connected to the trip assembly;
when the reset controller receives a remote control instruction of tripping and resetting, the reset controller provides a pulling force for the tripping rod, the other end of the hook can be in re-contact with the chain under the action of the pulling force of the tripping rod, the tripping component restores to a closed state, and the pulling force is opposite to the pushing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276417.7U CN209859885U (en) | 2018-12-31 | 2018-12-31 | Intelligent circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276417.7U CN209859885U (en) | 2018-12-31 | 2018-12-31 | Intelligent circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859885U true CN209859885U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822276417.7U Expired - Fee Related CN209859885U (en) | 2018-12-31 | 2018-12-31 | Intelligent circuit breaker |
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| CN (1) | CN209859885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637903A (en) * | 2018-12-31 | 2019-04-16 | 杭州天启钛智能科技有限公司 | A kind of intelligent breaker |
-
2018
- 2018-12-31 CN CN201822276417.7U patent/CN209859885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637903A (en) * | 2018-12-31 | 2019-04-16 | 杭州天启钛智能科技有限公司 | A kind of intelligent 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20201231 |