CN213093156U - Electric operating mechanism with dry contact control and feedback - Google Patents
Electric operating mechanism with dry contact control and feedback Download PDFInfo
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- CN213093156U CN213093156U CN202021965937.XU CN202021965937U CN213093156U CN 213093156 U CN213093156 U CN 213093156U CN 202021965937 U CN202021965937 U CN 202021965937U CN 213093156 U CN213093156 U CN 213093156U
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Abstract
The utility model relates to a circuit control technical field especially relates to an electric operating mechanism of area dry contact control and feedback, include: plastic shells; a control circuit board is arranged in the plastic shell; the intelligent switching device is characterized in that a driving module, a sampling module, an analysis module, an execution module, a first dry contact and a second dry contact are arranged on the control circuit board, a storage unit is arranged in the execution module, the sampling module, the analysis module, the execution module and the driving module are electrically connected in sequence, the first dry contact and the second dry contact are respectively arranged on two corresponding outer side walls of the plastic shell, the first dry contact is electrically connected with the analysis module, the second dry contact is electrically connected with the execution module, a brake pushing rod connected with the driving module is further arranged on the plastic shell, an external controller is connected with the first dry contact, the opening and closing state and the fault tripping state of the circuit breaker arranged in the distribution box can be fed back in time, and the external controller can implement opening and closing of the circuit breaker through the second dry contact.
Description
Technical Field
The utility model relates to a circuit control technical field especially relates to an electric operating mechanism of area dry contact control and feedback.
Background
The circuit breaker is a switching device which can close, bear and break current under normal loop conditions and can close, bear and break current under abnormal loop conditions within a specified time, and generally, the circuit breaker needs to be matched with an electric operating mechanism to realize remote control on and off operations;
the electric operating mechanism is an important part for a remote automatic opening and closing circuit breaker, the operation mode of the electric operating mechanism of the existing circuit breaker mainly uses a communication line to give a trigger signal to control the opening and closing of the electric operating mechanism, and the control end of the electric operating mechanism and the electric operating mechanism are not usually installed together, so that the condition of wrong connection or missed connection often occurs. In a power distribution system, even in the case where a circuit breaker is fitted with an electric operating mechanism, the electric operating mechanism itself cannot feed back an opening and closing gate state and a current fault state of the circuit breaker under its control.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been developed to provide an electric operating mechanism with dry contact control and feedback that overcomes or at least partially solves the above-mentioned problems.
In order to solve the problem, the utility model discloses a take electric operating mechanism of dry contact control and feedback, include:
plastic shells;
a control circuit board is arranged in the plastic shell;
the control circuit board is provided with a driving module, a sampling module, an analysis module, an execution module, a first dry contact and a second dry contact, a storage unit is arranged in the execution module, the sampling module, the analysis module, the execution module and the driving module are electrically connected in sequence, the first dry contact and the second dry contact are respectively arranged on two corresponding outer side walls of the plastic shell, the first dry contact is electrically connected with the analysis module, the second dry contact is electrically connected with the execution module, and the plastic shell is further provided with a brake pushing rod connected with the driving module.
Further, the driving module comprises a direct current motor, a reduction gear set consisting of a plurality of reduction gears and a gear disc meshed with a driven gear at the tail end of the reduction gear set are further arranged inside the plastic shell, one end of the brake pushing rod is arranged at the eccentric position of the gear disc, and the other end of the brake pushing rod extends to the outside from the arc-shaped groove of the plastic shell.
Furthermore, a worm is arranged on the power output end of the direct current motor, and the worm is meshed with a driving gear of the reduction gear set.
Furthermore, a rectifying unit is further arranged in the execution module, and the rectifying unit comprises a capacitor, a resistor and a transistor.
Furthermore, the first main contact and the second main contact are respectively provided with three wiring terminals, the three wiring terminals of the first main contact are respectively a first public end, an overcurrent fault end and a switching-off/switching-on state end, and the three wiring terminals of the second main contact are respectively a second public end, a control switching-off end and a control switching-on end.
Furthermore, the plastic shell is also provided with a dry contact controller electrically connected with the first dry contact and the second dry contact, the first dry contact is an input end of the dry contact controller, and the second dry contact is an output end of the dry contact controller.
Furthermore, when the first dry contact and the second dry contact are electrically connected through the dry contact controller, the voltage rated value is 220VAC \24VDC, and the current rated value is 0.5A
The utility model discloses a following advantage:
the power supply passing through the circuit breaker is sampled through the sampling module, the analysis module in the mechanism analyzes whether the voltage is overloaded or the circuit is in fault, if the voltage is overloaded or the circuit is in fault, a preset mechanism stored in a storage unit of the execution module is triggered, a motor in the driving module is controlled to drive a brake pushing rod to drive the circuit breaker to trip, and therefore circuit protection is achieved; in addition, the open-close state and the fault tripping state of the circuit breaker arranged in the distribution box can be timely fed back by connecting the dry contact with an external controller.
Drawings
Fig. 1 is a schematic structural diagram of an electric operating mechanism with dry contact control and feedback according to the present invention.
Fig. 2 is a schematic view of the connection structure of the first dry contact and the second dry contact in the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model discloses an one of the core design lies in, carries out corresponding switching action according to the voltage magnitude of gathering, is difficult to the problem of monitoring and the timely feedback circuit breaker switching-on and switching-off state for solving current overload, adopts the dry contact output switching-on and switching-off state and the overcurrent condition to the dry contact controller, and then makes the motor carry out to the execution module through the corresponding model of dry contact controller output, accomplishes the control to the circuit breaker switching-on and switching-off action.
Referring to fig. 1 and 2, the method specifically includes:
a plastic shell 10; the plastic shell 10 is an installation shell of the mechanism, and the outside of the plastic shell is clamped or spliced with the outside of the circuit breaker;
a control circuit board 11 is arranged in the plastic shell 10; preferably an integrated circuit board;
the control circuit board 11 is provided with a driving module, a sampling module 20, an analyzing module 18, an executing module 12, a first dry contact 19 and a second dry contact 16, the executing module 12 is internally provided with a storage unit, the storage unit is stored with a preset programming language for judgment and automatic execution, the sampling module 20, the analyzing module 18, the executing module 12 and the driving module are sequentially and electrically connected, the sampling module 20, the analyzing module 18 and the executing module 12 are respectively realized by at least one solid chip in a functional manner, the first dry contact 19 and the second dry contact 16 are respectively arranged on two corresponding outer side walls of the plastic shell 10, the first dry contact 19 is electrically connected with the analyzing module 18, the second dry contact 16 is electrically connected with the executing module 12, the plastic shell 10 is further provided with a brake pushing rod 13 connected with the driving module, the brake pushing rod 13 is connected with a switch of the circuit breaker, and the brake pushing rod 13 drives the switch to open and close.
A sampling needle electrically connected with the sampling module is arranged outside the plastic shell, a power supply of the circuit breaker is transmitted to the sampling module by adopting the needle, the power supply passing through the circuit breaker is sampled by the sampling module 20, the analysis module 18 in the mechanism analyzes whether the voltage of the power supply is overloaded or not, if the voltage is overloaded, a preset mechanism stored in a storage unit of the execution module 12 is triggered, a motor in the driving module is controlled to drive the brake pushing rod 13 to drive the circuit breaker to trip, and therefore circuit protection is achieved, meanwhile, the analysis module 18 outputs a current state to an external dry contact controller 24 through a dry contact, whether the current is over-current or not is displayed through the controller, the circuit structure is prevented from being damaged under the condition that the voltage is not overloaded and the current is overloaded, and the switching state of the circuit breaker can be actually controlled through the operation of; in addition, the open-close state and the fault tripping state of the circuit breaker arranged in the distribution box can be timely fed back by connecting the dry contact with an external controller.
In an embodiment, the driving module includes a dc motor 17, a reduction gear set 15 including a plurality of reduction gear sets 15, and a gear plate engaged with a driven gear at the end of the reduction gear set 15 are further disposed inside the plastic housing 10, one end of the push rod 13 is disposed at an eccentric position of the gear plate, and the other end of the push rod 13 extends from the arc-shaped slot 14 of the plastic housing 10 to the outside.
Preferably, due to the space limitation inside the plastic shell 10, the direct current motor 17 is horizontally arranged inside the plastic shell 10, the output shaft of the direct current motor 17 is not on the same plane as the reduction gear set 15, a worm is arranged on the power output end of the direct current motor 17, and the worm is meshed with the driving gear of the reduction gear set 15.
Preferably, the sampled current is an alternating current motor, because a direct current motor 17 is adopted, the current needs to be converted and then connected with the direct current motor 17, and the execution module 12 is further provided with a rectifying unit, and the rectifying unit comprises a capacitor, a resistor and a transistor.
In an embodiment, the first trunk contact 19 and the second trunk contact 16 are respectively provided with three connection terminals, the three connection terminals of the first trunk contact 19 are respectively a first common terminal 21, an overcurrent fault terminal 22, and a switching-off/switching-on state terminal 23, and the three connection terminals of the second trunk contact 16 are respectively a second common terminal 25, a control switching-off terminal 26, and a control switching-on terminal 27.
In an embodiment, a dry contact controller 24 electrically connected to the first dry contact 19 and the second dry contact 16 is further disposed outside the plastic housing 10, the first dry contact 19 is an input terminal of the dry contact controller 24, and the second dry contact 16 is an output terminal of the dry contact controller 24.
Preferably, the voltage rating of the first dry contact 19 and the current rating of the second dry contact 16 electrically connected through the dry contact controller 24 are 220VAC \24VDC and 0.5A.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. 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 terminal that comprises the element.
The above detailed description is made on the electric operating mechanism with dry contact point control and feedback provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. An electric operating mechanism with dry contact control and feedback, comprising:
plastic shells;
a control circuit board is arranged in the plastic shell;
the control circuit board is provided with a driving module, a sampling module, an analysis module, an execution module, a first dry contact and a second dry contact, a storage unit is arranged in the execution module, the sampling module, the analysis module, the execution module and the driving module are electrically connected in sequence, the first dry contact and the second dry contact are respectively arranged on two corresponding outer side walls of the plastic shell, the first dry contact is electrically connected with the analysis module, the second dry contact is electrically connected with the execution module, and the plastic shell is further provided with a brake pushing rod connected with the driving module.
2. The mechanism as claimed in claim 1, wherein the driving module comprises a dc motor, the inside of the plastic housing is further provided with a reduction gear set composed of a plurality of reduction gears, a gear disc engaged with a driven gear at the extreme end of the reduction gear set, one end of the push rod is disposed at an eccentric position of the gear disc, and the other end of the push rod extends from an arc-shaped slot of the plastic housing to the outside.
3. The mechanism as claimed in claim 2, wherein a worm is provided on the power output end of the dc motor, and the worm is engaged with the driving gear of the reduction gear set.
4. The mechanism of claim 2, wherein the execution module further comprises a rectifying unit, and the rectifying unit comprises a capacitor, a resistor and a transistor.
5. The mechanism as claimed in claim 1, wherein the first dry contact and the second dry contact are respectively provided with three terminals, the three terminals of the first dry contact are respectively a first common terminal, an overcurrent fault terminal and a switching-off/switching-on state terminal, and the three terminals of the second dry contact are respectively a second common terminal, a control switching-off terminal and a control switching-on terminal.
6. The mechanism of claim 1, wherein a dry contact controller electrically connected to the first dry contact and the second dry contact is disposed outside the plastic housing, the first dry contact is an input terminal of the dry contact controller, and the second dry contact is an output terminal of the dry contact controller.
7. The mechanism of claim 6, wherein the first dry contact and the second dry contact are electrically connected through the dry contact controller with a voltage rating of 220VAC \24VDC and a current rating of 0.5A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021965937.XU CN213093156U (en) | 2020-09-09 | 2020-09-09 | Electric operating mechanism with dry contact control and feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021965937.XU CN213093156U (en) | 2020-09-09 | 2020-09-09 | Electric operating mechanism with dry contact control and feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213093156U true CN213093156U (en) | 2021-04-30 |
Family
ID=75634679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021965937.XU Active CN213093156U (en) | 2020-09-09 | 2020-09-09 | Electric operating mechanism with dry contact control and feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213093156U (en) |
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2020
- 2020-09-09 CN CN202021965937.XU patent/CN213093156U/en active Active
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