CN108878227B - Novel circuit breaker with automatic switching-on and switching-off function - Google Patents
Novel circuit breaker with automatic switching-on and switching-off function Download PDFInfo
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- CN108878227B CN108878227B CN201810874151.8A CN201810874151A CN108878227B CN 108878227 B CN108878227 B CN 108878227B CN 201810874151 A CN201810874151 A CN 201810874151A CN 108878227 B CN108878227 B CN 108878227B
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- 230000001960 triggered effect Effects 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/121—Protection of release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
The invention relates to the field of piezoelectric devices, in particular to a novel circuit breaker with an automatic switching-on/off function, which comprises a circuit breaker main body and an operating mechanism matched with the circuit breaker main body for use; the circuit breaker also comprises a tripping button, wherein the tripping button can be pressed to break the breaker main body; the circuit breaker also comprises a locking mechanism, wherein the locking mechanism is rotated to drive the breaker main body to break the brake through the tripping button, the locking mechanism locks the tripping button, and meanwhile, the locking mechanism enables the operating mechanism to be powered off; the invention can make the breaker main body in the breaking state stably and reliably.
Description
Technical Field
The invention relates to the field of piezoelectric devices, in particular to a novel circuit breaker with an automatic switching-on/off function.
Background
After the conventional circuit breaker is normally installed in a factory, a handle or an accessory is required to be used for switching on and off.
The conventional circuit breaker cannot automatically perform remote control opening and closing operation by using a handle and manual operation, and an electric operation accessory is additionally arranged to realize automatic opening and closing operation, but the electric operation and the body are required to be fastened by exposed screws, and the electric operation circuit breaker belongs to two parts, and can be automatically detached by a user and has hidden danger in use; meanwhile, no effective means is provided for ensuring that the circuit breaker is always in a free tripping state. The remote control of opening and closing can not be carried out by directly connecting an ammeter through an electric signal.
Secondly, the existing electric operating mechanism is provided with a grounding end, two power signal ends P1 and P2, three wiring terminal signals S1, S2 and S4, and when the S1 and the S2 are connected, the electric operation realizes the closing operation; when S1 and S4 are switched on, the electric operation realizes the opening operation; the ammeter can only give out signals through one port, and can not be matched with three signal ports on the existing electric operation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel circuit breaker with an automatic switching-on/off function, so that a circuit breaker main body can be in a switching-off state stably and reliably.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a novel circuit breaker with automatic opening and closing functions comprises a circuit breaker main body and an operating mechanism 200 matched with the circuit breaker main body for use;
the circuit breaker also comprises a tripping button 12, and the breaker main body can be disconnected by pressing the tripping button 12; further comprising a locking mechanism 13, the locking mechanism 13 is rotated, the locking mechanism 13 drives the breaker main body to open the gate through the trip button 12, and the locking mechanism 13 locks the trip button 12 while the locking mechanism 13 de-energizes the operation mechanism 200.
Preferably, the operating mechanism 200 includes a first micro switch 14 connected in series with a control circuit board 203 of the operating mechanism 200, and the rotation locking mechanism 13 triggers the first micro switch 14 to power off the operating mechanism 200.
Preferably, the dial 3 is further included, and the operating mechanism 200 comprises a manual operating hole site 5;
when the dial 3 is in an automatic position, the dial 3 shields the manual operation hole site 5, and the operating mechanism 200 can drive the breaker main body to open/close; when the dial 3 is switched from the automatic position to the manual position, the operating mechanism 200 is powered off, and the breaker main body is driven to be opened/closed through the manual operation hole site 5.
Preferably, when the dial 3 is in the automatic position, the locking mechanism 13 is rotated, so that the locking mechanism 13 is in limit fit with the dial 3, and the dial 3 is limited to be converted from the automatic position to the manual position.
Preferably, the operating mechanism 200 includes a second micro switch 11 connected in series with the control circuit board 203 of the operating mechanism 200, and the dial 3 is switched from the automatic position to the manual position, and the second micro switch 11 is triggered to power off the operating mechanism 200.
Preferably, a trip button force receiving arm 121 is arranged on one side of the trip button 12, a first locking mechanism driving feature 131 is arranged on one side of the locking mechanism 13, the locking mechanism 13 is rotated, the first locking mechanism driving feature 131 and the trip button force receiving arm 121 relatively slide and drive the trip button force receiving arm 121 to move downwards, the trip button force receiving arm 121 drives the trip button 12 to move downwards, and the trip button 12 drives the breaker main body to break.
Preferably, the locking mechanism 13 further includes a second locking mechanism drive feature 132, rotating the locking mechanism 13, the second locking mechanism drive feature 132 triggering the first microswitch 14 of the operating mechanism 200 to de-energize the operating mechanism 200.
Preferably, the dialing code 3 comprises a dialing code limiting feature 31, the locking mechanism 13 comprises a locking mechanism limiting feature 133, and the locking mechanism limiting feature 133 is in limiting fit with the dialing code limiting feature 31 to limit the dialing code 3 from being converted from an automatic position to a manual position.
Preferably, one end of the dial 3 is matched with the manual operation hole site 5, the other end is provided with a dial driving feature 32, the dial 3 is moved from the automatic position to the manual position, and the dial driving feature 32 triggers the second micro switch 11 of the operating mechanism 200 to disconnect the power of the operating mechanism 200.
Preferably, the locking mechanism 13 is in a cylindrical structure, the locking mechanism 13 is rotatably arranged on the operating mechanism 200, one end of the locking mechanism 13 is provided with a locking mechanism limiting feature 133 matched with the dialing limiting feature 31 of the dialing code 3, the other end of the locking mechanism is provided with a second locking mechanism driving feature 132 matched with the first micro switch 14 of the operating mechanism 200, and the first locking mechanism driving feature 131 is spirally arranged in the middle part of the locking mechanism 13 and matched with the tripping button force receiving arm 121 of the tripping button 12.
Preferably, the dialing 3 is in a square plate structure, and is slidably disposed on the operating mechanism 200, one end of the dialing 3 is matched with the manual operation hole site 5 of the operating mechanism 200, and the other end of the dialing 3 is provided with a dialing driving feature 32 and a dialing limiting feature 31 respectively matched with the second micro switch 11 of the operating mechanism 200 and the locking mechanism limiting feature 133 of the locking mechanism 13.
Preferably, the trip button 12 is of a lever type structure having one end engaged with the circuit breaker body and the other end protruding at one side of the operating mechanism 200, and the trip button 12 includes a trip button force receiving arm 121 provided at one side thereof engaged with the first locking mechanism driving feature 131 of the locking mechanism 13.
Preferably, a trip button reset mechanism for driving the reset of the trip button 12 is also included.
Preferably, the operating mechanism 200 includes an operating mechanism housing 8 fixedly connected to the operating mechanism housing 8 at one side of the breaker main body, an operating mechanism bracket 202 disposed inside the operating mechanism housing 8, a motor, a transmission mechanism disposed in the middle of the operating mechanism bracket 202, a slider 6 disposed between the operating mechanism bracket 202 and the breaker main body, a manual operation hole site 5 disposed in the middle of one side of the operating mechanism bracket 202 away from the breaker main body, a control circuit board 203 disposed outside the manual operation hole site 5, a dial 3 disposed on one side of the operating mechanism bracket 202 away from the breaker main body, a locking mechanism 13 for rotating the operating mechanism bracket 202, a second micro switch 11 disposed on one side of the dial 3, and a first micro switch 14 disposed on one side of the locking mechanism 13;
the control circuit board 203 is connected with an external circuit, the motor is electrically connected with the control circuit board, the transmission mechanism is connected with the motor drive, the transmission mechanism is respectively connected with the manual operation hole site 5 and the slide block 6 drive, the dial 3 is arranged on the operation mechanism support 202 in a sliding way, one end of the dial 3 is matched with the manual operation hole site 5, the other end of the dial 3 is respectively matched with the second micro switch 11 and the locking mechanism 13, the locking mechanism 13 is respectively matched with the trip button 12 and the first micro switch 14, the second micro switch 11 and the control circuit board 203 are connected in series, the slide block 6 is connected with the operation handle 2 drive of the breaker main body, the trip button 12 passes through the operation mechanism support 202, two ends of the trip button 12 respectively protrude on two sides of the operation mechanism support 202, and one end of the trip button 12 is connected with the breaker main body drive.
Preferably, the breaker body includes a breaker housing 1 formed by a base 101 and an upper cover 100, and the operating mechanism 200 includes an operating mechanism housing 8 fixedly connected to the upper cover 100 and a cover plate 9 fixedly connected to the operating mechanism housing 8.
Preferably, the operating mechanism 200 includes a control circuit board 203, a connection terminal 7 is disposed on the control circuit board 203, the connection terminal 7 includes two first ports connected to a power source, and one or two second ports connected to an electric energy meter, the electric energy meter inputs a control signal to the operating mechanism 200 through the second ports, and the operating mechanism 200 drives the breaker main body to open/close according to the control signal.
Preferably, the breaker main body comprises three working states of a closing state, a free tripping state and a breaking state; when the breaker main body is in a closing state, the tripping button 12 is pressed to open the breaker main body, and the operating mechanism 200 can drive the breaker main body to open; when the breaker main body is in a free tripping state, the locking mechanism 13 is in limit fit with the tripping button 12, the operating mechanism is powered off, and the dialing 3 shields the manual operation hole site 5 of the operating mechanism 200; when the breaker main body is in the opening state, the operating mechanism 200 can enable the breaker main body to be closed, or enable the breaker main body to be closed through manual operation of the hole site 5.
According to the novel circuit breaker with the automatic switching-on and switching-off function, the locking mechanism drives the circuit breaker main body to switch off through the tripping button and locks the tripping button at the same time, so that the circuit breaker main body cannot be switched on again, and the locking mechanism cuts off the power of the operating mechanism, so that the operating mechanism cannot work to drive the circuit breaker main body to switch on again, and the circuit breaker main body is ensured to be in a switching-off state reliably. In addition, the wiring terminal comprises two first ports connected with an external circuit and one or two second ports connected with the electric energy meter, so that matching and matching of the operating mechanism and the electric energy meter are realized. Furthermore, the locking mechanism has a simple structure, can be matched with the tripping button, the first micro switch and the dial code respectively, and is beneficial to simplifying the structure of the circuit breaker. Furthermore, the dialing code can enable the circuit breaker to freely switch between an automatic operation mode and a manual operation mode, is beneficial to improving the operation convenience of the circuit breaker, and enables the circuit breaker to reliably and stably keep in a free tripping state by matching the dialing code, a tripping button, a locking mechanism and a first micro switch, so that the personal safety of a user is ensured.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the novel circuit breaker with automatic opening and closing functions;
FIG. 2 is a schematic diagram of the structure of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the structure of portion B of FIG. 1 in accordance with the present invention;
fig. 4 is a schematic diagram of an exploded structure of the novel circuit breaker with an automatic opening and closing function according to the present invention;
FIG. 5 is a schematic view of the operating mechanism of the present invention in an unlocked state;
fig. 6 is a schematic diagram of an assembly structure of the novel circuit breaker with an automatic opening and closing function according to the present invention;
fig. 7 is another schematic view of the operating mechanism of the present invention in a locked state.
Detailed Description
The following is a further explanation of embodiments of the novel circuit breaker with automatic opening and closing function according to the present invention, with reference to the examples given in fig. 1-7. The novel circuit breaker with an automatic opening and closing function of the present invention is not limited to the description of the following embodiments.
The invention relates to a novel circuit breaker with an automatic opening and closing function, which comprises a circuit breaker main body and an operating mechanism 200 matched with the circuit breaker main body for use;
the circuit breaker also comprises a tripping button 12, and the breaker main body can be disconnected by pressing the tripping button 12; further comprising a locking mechanism 13, the locking mechanism 13 is rotated, the locking mechanism 13 drives the breaker main body to open the gate through the trip button 12, and the locking mechanism 13 locks the trip button 12 while the locking mechanism 13 de-energizes the operation mechanism 200.
According to the novel circuit breaker with the automatic switching-on/off function, the locking mechanism 13 drives the breaker main body to switch off through the tripping button 12 and locks the tripping button 12, so that the breaker main body cannot switch on again, the locking mechanism 13 enables the operating mechanism 200 to be powered off, the operating mechanism 200 cannot work to drive the breaker main body to switch on again, and the breaker main body is ensured to be in a switching-off state reliably.
Fig. 1-7 show an embodiment of the novel circuit breaker with automatic closing function according to the present invention.
As shown in fig. 1, the novel circuit breaker with the automatic closing function comprises a circuit breaker main body and an operating mechanism 200, wherein the circuit breaker main body comprises a circuit breaker shell 1 formed by a base 101 and an upper cover 100, the operating mechanism 200 comprises an operating mechanism shell 8 and a cover plate 9, the circuit breaker shell 1 is fixedly connected with the operating mechanism shell 8, the operating mechanism shell 8 is fixedly connected with the cover plate 9, a reliable closed installation space is formed, the integrated design of the circuit breaker is realized, the circuit breaker is prevented from being used for disassembling the operating mechanism 200 privately, and the stable and reliable operation of the circuit breaker is ensured.
Preferably, the breaker housing 1 is screwed or snap-fitted to the operating mechanism housing 8. Preferably, the operating mechanism housing 8 is snap-connected to the cover 9 or screw-connected.
In the direction shown in fig. 4, the operating mechanism 200 is disposed on the front side of the breaker main body, the breaker main body includes an operating handle 2 disposed in the middle of the upper cover 100, the operating mechanism 200 includes a motor as a power mechanism, a transmission mechanism connected with the motor drive, and a slide block 6 connected with the transmission mechanism drive, the slide block 6 is matched with the operating handle 2, and the slide block 6 slides left/right (or right/left) to drive the operating handle 2 to toggle left/right (or right/left), so as to realize closing/opening (or opening/closing) of the breaker main body.
The operating mechanism 200 is an electric or an integrated electric and manual operating mechanism.
In the direction shown in fig. 4, the trip button 12 is disposed on the upper portion of the operating mechanism support 202 of the operating mechanism 200, the operating mechanism 200 includes a locking mechanism 13 rotatably disposed on the operating mechanism support 202, a manual operation hole site 5 disposed in the middle of the front side of the operating mechanism support 202, the locking mechanism 13 disposed on the left side of the trip button 12, a first micro switch 14 disposed on the left side of the locking mechanism 13, a second micro switch 11 disposed on the right side of the trip button 12, and a dial 3 disposed between the trip button 12 and the manual operation hole site 5 and capable of moving up and down, and the first micro switch 14 and the second micro switch 11 are connected in series with the circuit of the operating mechanism 200.
The novel circuit breaker with the automatic opening and closing function can perform the following operations:
1. the dial 3 is in an automatic position, namely the lower end of the dial 3 shields the manual operation hole site 5:
11. when the breaker main body is in a closing state, the breaker main body can be driven to break by pressing the tripping button 12, and the breaker main body can also be driven to break by the operating mechanism 200; when the breaker main body is in a breaking state, the breaker main body can be driven to close by the operating mechanism 200.
12. When the breaker main body is in a closing state, the locking mechanism 13 is rotated, the locking mechanism 13 drives the breaker main body to be opened through the tripping button 12, the locking mechanism 13 locks the tripping button 12, and meanwhile, the locking mechanism 13 enables the operating mechanism 200 to be powered off, so that the breaker main body cannot be closed through the operating mechanism 200, the locking mechanism 13 prevents the dialing code 3 from being switched from an automatic position to a manual position, and the breaker main body cannot be closed through manual operation;
2. the dial 3 is in a manual position, namely the lower end of the dial 3 does not shade the manual operation hole site 5:
21. the second micro switch 11 is triggered at the upper end of the dial 3, so that the operating mechanism 200 is powered off, the operating mechanism 200 cannot work, and the breaker main body can be driven to be opened/closed by manually operating the hole site 5;
22. the operating mechanism 200 can be operated by manually operating the hole site 5, and the operating mechanism 200 drives the breaker body to open/close by operating the handle 2.
The novel circuit breaker with the automatic switching-on/off function can realize the following positive effects:
1. the circuit breaker can be freely switched between an automatic mode and a manual mode through the operation dial 3.
2. The tripping button 12 can directly drive the breaker body to break the gate, and is simple and convenient to operate and high in efficiency.
3. The locking mechanism 13 can lock the breaker in a breaking state, so that the breaker main body cannot be closed, personal safety of a user during power-off maintenance is guaranteed, and electric shock accidents caused by error closing are avoided.
The novel circuit breaker with the automatic opening and closing function is further described below with reference to the specification, the drawings and the specific embodiments.
In the direction shown in fig. 4, the novel circuit breaker with the automatic opening and closing function comprises a circuit breaker main body and an operating mechanism 200 arranged on the front side of the circuit breaker main body.
As shown in fig. 4 and 6, the circuit breaker body includes a circuit breaker housing 1 formed by a base 101 and an upper cover 100, the base 101 and the upper cover 100 are fixedly connected by a known connection manner, and an operation handle 2 is provided at the middle of the front side of the upper cover 100.
In the direction shown in fig. 4, the operating mechanism 200 includes an operating mechanism 8, an operating mechanism support 202 disposed in the operating mechanism housing 8, a control circuit board 203 disposed at the lower part of the front side of the operating mechanism support 202, a motor connected to the control circuit board 203, a transmission mechanism disposed in the middle of the operating mechanism support 202, a manual operation hole site 5 disposed in the middle of the front side of the operating mechanism support 202, a dial 3 disposed in the front side of the operating mechanism support 202 in a sliding manner, a slider 6 disposed in the rear side of the operating mechanism support 202, a locking mechanism 13 disposed on the operating mechanism support 202 in a rotating manner, a first micro-switch 14, a second micro-switch 11 and a connection terminal 7 connected to the control circuit board 203, wherein the trip button 12 and the second micro-switch 11 are disposed at the left and right sides of the upper end of the dial 3, the locking mechanism 13 is disposed at the right side of the trip button 12, the first micro-switch 14 is disposed at the left side of the locking mechanism 13, the front end of the trip button 12 is disposed at the front side of the operating mechanism support 202 in a protruding manner, the rear end of the operating mechanism support 202 is engaged with the breaker body through the operating mechanism support 202, the motor is connected to the transmission mechanism drive, the transmission mechanism is connected to the slider 6, the slider 6 is disposed at the rear side of the operating mechanism 6, the manual operation hole site is connected to the manual operation hole site 5, the upper end of the manual operation switch is engaged with the manual operation hole site 3 is engaged with the first micro-switch 3, and the second micro-switch 11 is engaged with the manual operation hole site 3 is engaged with the first micro-switch 3, and the first micro-switch 11 is engaged with the manual operation 3.
Preferably, the connection terminal 7 comprises two first ports connected with an external circuit and one or two second ports connected with an electric energy meter; the electric energy meter inputs a control signal to the operating mechanism 200 through the second port, and the operating mechanism 200 drives the breaker main body to open/close according to the control signal. The wiring terminal 7 enables the wiring terminal 7 of the operating mechanism 200 to be suitable for the port arrangement of the electric energy meter, and perfect matching of the operating mechanism 200 and the electric energy meter is achieved.
Preferably, as shown in fig. 4, the operating mechanism 200 further includes an operating handle 10 that cooperates with the manual operation hole site 5. Further, the operating handle 10 has an L-shaped structure, and one end of the operating handle is matched with the manual operation hole site 5.
Preferably, as shown in fig. 4 and 6, the four top corners of the upper cover 100 of the breaker main body are provided with first connecting holes 1001, the four inner top corners of the operating mechanism housing 8 of the operating mechanism 200 are provided with second connecting holes 80, the screws fixedly connect the upper cover 100 and the operating mechanism housing 8 through the first connecting holes 1001 and the second connecting holes 80, and the screws are located inside the operating mechanism housing 8, after the upper cover plate 9 is assembled, the screws are prevented from being exposed, and the situation that the user self-disassembles the operating mechanism 200 occurs, thereby being beneficial to guaranteeing the personal safety of the user.
As shown in fig. 5 and 7, the dial 3 has a rectangular plate structure, and the locking mechanism 13 has a cylindrical structure.
In the direction shown in fig. 7, the rear end of the dial 3 is matched with the manual operation hole site 5, the front end is respectively matched with the first micro switch 11 and the locking mechanism 13, the left side of the front end of the dial 3 is provided with a dial driving feature 32, and the right side is provided with a dial limiting feature 31.
Preferably, the dial 3 is of an integral structure. Preferably, as shown in fig. 7, a dial post 33 matched with the manual automatic switching window 92 is disposed on the upper side of the rear end of the dial 3.
In the direction shown in fig. 7, the locking mechanism 13 includes a cylindrical locking mechanism main body 130, the lower end of the locking mechanism main body 130 is rotatably disposed on the operating mechanism support 202, the upper end of the locking mechanism main body 130 is provided with a locking mechanism limiting feature 133, the lower end is provided with a second locking mechanism driving feature 132, and a second locking mechanism driving feature 131 extending obliquely from top to bottom is provided between the upper end and the lower end. The locking mechanism has a simple structure, can be matched with the tripping button, the first micro switch and the dial respectively, and is beneficial to simplifying the structure of the circuit breaker.
Preferably, as shown in FIG. 7, the locking mechanism limiting feature 133 is a boss that is perpendicularly connected to the locking mechanism body and the second locking mechanism driving feature 132 is a boss that is perpendicularly connected to the locking mechanism body 130. Further, as shown in fig. 7, the horizontal angle between the locking mechanism limiting feature 133 and the second locking mechanism driving feature 132 is an obtuse angle.
Preferably, as shown in fig. 7, the first locking mechanism driving feature 131 is a bead rotatably disposed on the ring side of the locking mechanism body 130, and has a left end higher than a right end, so that a gentle driving slope is formed on the lower side thereof from top to bottom. Further, as shown in fig. 7, the lower end of the first locking mechanism driving feature 131 is provided with a locking mechanism retaining surface.
The locking mechanism body 130 is provided with a lock cylinder mechanism as a locking mechanism.
Preferably, the locking mechanism 13 is of a unitary construction.
In the direction shown in fig. 7, the trip button 12 has a rod-shaped structure, and a trip button force receiving arm 121 is disposed on the right side thereof. Preferably, the upper end of the tripping button force receiving arm 121 has a hemispherical or arc structure, which is favorable for improving the smoothness of the matching between the tripping button force receiving arm 121 and the driving feature 131 of the first locking mechanism, so that the relative sliding between the tripping button force receiving arm 121 and the first locking mechanism is more stable and convenient.
Preferably, as shown in fig. 2, the operating mechanism 200 further includes a manual-automatic switching window 92 disposed on the outer side of the cover plate 9, and the manual-automatic switching window cooperates with the dial 3. Preferably, as shown in fig. 2, the right end of the manual automatic switching window 92 is provided with an opening matched with the dial boss 33 of the dial 3.
Preferably, as shown in fig. 2, the upper side of the MANUAL automatic switching window 92 is provided with MANUAL (MANUAL) and Automatic (AUTO) text labels, and the right end of the MANUAL automatic switching handle 92 corresponds to the MANUAL (MANUAL) and the Automatic (AUTO) respectively, so that the dial 3 is indicated to be in the MANUAL position and the automatic position respectively, which is beneficial for a user to more intuitively identify whether the circuit breaker is in the MANUAL operation state or the automatic operation state.
Preferably, as shown in fig. 2, the cover plate 9 is further provided with an indication window for indicating the state of the circuit breaker, including a closing state (ON), a free trip button state (TRPPED) and a breaking state (OFF), which respectively correspond to three indicator lamps of the operating mechanism 200, so that a user can more intuitively identify the working state of the circuit breaker according to the present invention.
Preferably, as shown in fig. 3, the cover plate 9 is further provided with a locking mark and an unlocking mark (or text) on the outer side of the locking mechanism 13, which correspond to the locking state and unlocking state of the trip button 12 respectively, so that a user can intuitively judge the state of the trip button 12, and the personal safety of the user is ensured.
As shown in fig. 7, the operation of the operating mechanism 200 and the cooperation of the operating mechanism 200 and the trip button 12 are as follows:
1. when the dial 3 is in an automatic position, that is, when the rear end of the dial 3 shields the manual operation hole site 5, the dial driving feature 32 of the dial 3 is separated from the second micro switch 11, and the operating mechanism 200 can drive the breaker main body to be switched on/off through the operating handle 2 of the breaker main body; when the dial 3 moves from the automatic position to the manual position, that is, the dial 3 slides forwards and the rear end of the dial is made to leave the manual operation hole site 5, the dial driving feature 32 contacts with the second micro switch 11 and triggers the second micro switch 11, so that the operating mechanism 200 is powered off, the operating mechanism 200 cannot work, and a user can only drive the breaker main body to switch on/off through the manual operation hole site 5;
2. when the circuit breaker main body is in a closing state, the locking mechanism 13 is rotated, the first locking mechanism driving feature 131 of the locking mechanism 13 is matched with the tripping button force receiving arm 121 of the tripping button 12, the driving inclined plane of the first locking mechanism driving feature 131 forces the tripping button force receiving arm 121 to drive the tripping button 12 to move downwards, the locking mechanism holding surface at the lower end of the first locking mechanism driving feature 131 is matched with the tripping button force receiving arm 121, the tripping button 12 drives the circuit breaker main body to trip, the locking mechanism 13 enables the tripping button 12 to be locked in the state, meanwhile, the second locking mechanism driving feature 132 of the locking mechanism 13 is contacted with the first micro switch 14 and triggers the first micro switch 14, the operating mechanism 200 is powered off, the locking mechanism limiting feature 133 of the locking mechanism 13 is matched with the tripping mechanism limiting feature 31 of the tripping button 3, the tripping button 3 is limited to move from the automatic position to the manual position, the rear end of the tripping button 3 always shields the manual operating hole site 5, the operating mechanism 200 cannot work, meanwhile, the circuit breaker main body cannot be driven to be closed by the manual operating hole site 5, and the circuit breaker main body is ensured to be in a stable and reliable opening state.
The breaker body of the invention has three working states, namely a closing state, a free tripping state and a breaking state: the closing state means that the locking mechanism 13 does not lock the trip button 12 and the circuit breaker is in the closing state, the free trip state means that the locking mechanism 13 locks the trip button 12 to keep the circuit breaker in the opening state and the circuit breaker cannot be closed through the operating mechanism 200 or the manual operation hole site 5, and the opening state means that the locking mechanism 13 does not lock the trip button 12 and the circuit breaker is in the opening state.
As shown in fig. 4, the cover 9 is provided with a first mounting opening 96, a second mounting opening 93 and an operation opening 95 which are respectively matched with the trip button 12, the locking mechanism 13 and the manual operation hole position 5.
Preferably, as shown in fig. 4, two ends of the cover plate 9 are provided with buckles 91 matched with the operating mechanism housing 8, and the cover plate 9 is in buckled connection with the operating mechanism housing 8.
Preferably, as shown in fig. 4, the cover 9 is further provided with a third mounting opening 97 that is matched with the manual-automatic switching window 92, and the manual-automatic switching window 92 is in driving connection with the dial 3 through the third mounting opening 97.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (17)
1. The novel circuit breaker with the automatic switching-on/off function comprises a circuit breaker main body and an operating mechanism (200) matched with the circuit breaker main body, wherein the operating mechanism (200) drives the circuit breaker main body to switch on/off through an operating handle (2) of the circuit breaker main body, and the operating mechanism (200) also receives a control signal and drives the circuit breaker main body to switch on/off according to the control signal;
the method is characterized in that: the circuit breaker also comprises a tripping button (12), and the breaker main body can be disconnected by pressing the tripping button (12); the circuit breaker also comprises a locking mechanism (13), wherein the locking mechanism (13) drives the tripping button (12) to move downwards so that the tripping button (12) drives the circuit breaker main body to break the brake, the locking mechanism (13) locks the tripping button (12), and meanwhile, the locking mechanism (13) enables the operating mechanism (200) to be powered off.
2. The novel circuit breaker with automatic opening and closing function according to claim 1, characterized in that: the operating mechanism (200) comprises a first micro switch (14) connected in series with a control circuit board (203) of the operating mechanism (200), and the rotary locking mechanism (13) triggers the first micro switch (14) to power off the operating mechanism (200).
3. The novel circuit breaker with automatic opening and closing function according to claim 1 or 2, characterized in that: the dial code (3) is also included, and the operating mechanism (200) comprises a manual operating hole site (5);
when the dialing code (3) is in an automatic position, the dialing code (3) shields the manual operation hole site (5), and the operating mechanism (200) can drive the breaker main body to open/close; when the dial (3) is converted from the automatic position to the manual position, the operating mechanism (200) is powered off, and the breaker main body is driven to be opened/closed through the manual operation hole site (5).
4. The novel circuit breaker with automatic opening and closing function according to claim 3, wherein: when the dial (3) is in an automatic position, the locking mechanism (13) is rotated, so that the locking mechanism (13) is in limit fit with the dial (3), and the dial (3) is limited to be converted from the automatic position to the manual position.
5. The novel circuit breaker with automatic opening and closing function according to claim 3, wherein: the operating mechanism (200) comprises a second micro switch (11) connected in series with a control circuit board (203) of the operating mechanism (200), the dial (3) is switched from an automatic position to a manual position, and the second micro switch (11) is triggered to power off the operating mechanism (200).
6. The novel circuit breaker with automatic opening and closing function according to claim 1, characterized in that: the trip button is characterized in that a trip button force receiving arm (121) is arranged on one side of the trip button (12), a first locking mechanism driving feature (131) is arranged on one side of the locking mechanism (13), the locking mechanism (13) is rotated, the first locking mechanism driving feature (131) and the trip button force receiving arm (121) slide relatively and drive the trip button force receiving arm (121) to move downwards, the trip button force receiving arm (121) drives the trip button (12) to move downwards, and the trip button (12) drives the breaker main body to break.
7. The novel circuit breaker with automatic opening and closing function according to claim 2 or 6, characterized in that: the locking mechanism (13) further includes a second locking mechanism drive feature (132), rotating the locking mechanism (13), the second locking mechanism drive feature (132) triggering the first microswitch (14) of the operating mechanism (200) to de-energize the operating mechanism (200).
8. The novel circuit breaker with automatic opening and closing function according to claim 4, wherein: the dialing code (3) comprises a dialing code limiting feature (31), the locking mechanism (13) comprises a locking mechanism limiting feature (133), the locking mechanism limiting feature (133) is in limiting fit with the dialing code limiting feature (31), and the dialing code (3) is limited to be converted from an automatic position to a manual position.
9. The novel circuit breaker with automatic opening and closing function according to claim 5 or 8, characterized in that: one end of the dial (3) is matched with the manual operation hole site (5), the other end of the dial (3) is provided with a dial driving feature (32), the dial (3) is moved from an automatic position to a manual position, and the dial driving feature (32) triggers a second micro switch (11) of the operating mechanism (200) to enable the operating mechanism (200) to be powered off.
10. The novel circuit breaker with automatic opening and closing function according to claim 3, wherein: the locking mechanism (13) is of a cylindrical structure, the locking mechanism (13) is rotatably arranged on the operating mechanism (200), one end of the locking mechanism (13) is provided with a locking mechanism limiting feature (133) matched with a dialing limiting feature (31) of the dialing code (3), the other end of the locking mechanism is provided with a second locking mechanism driving feature (132) matched with a first micro switch (14) of the operating mechanism (200), and the first locking mechanism driving feature (131) is spirally arranged in the middle of the locking mechanism (13) and matched with a tripping button force receiving arm (121) of the tripping button (12).
11. The novel circuit breaker with automatic opening and closing function according to claim 3, wherein: the dial (3) is of a square plate structure, is arranged on the operating mechanism (200) in a sliding manner, one end of the dial is matched with a manual operation hole site (5) of the operating mechanism (200), and the other end of the dial is provided with a dial driving feature (32) and a dial limiting feature (31) which are matched with a second micro switch (11) of the operating mechanism (200) and a locking mechanism limiting feature (133) of the locking mechanism (13) respectively.
12. The novel circuit breaker with automatic opening and closing function according to claim 3, wherein: the trip button (12) is of a lever-type construction, one end of which cooperates with the circuit breaker body and the other end of which protrudes to one side of the operating mechanism (200), and the trip button (12) includes a trip button force receiving arm (121) provided on one side thereof to cooperate with a first locking mechanism driving feature (131) of the locking mechanism (13).
13. The novel circuit breaker with automatic opening and closing function according to claim 1, characterized in that: and a trip button reset mechanism for driving the trip button (12) to reset.
14. The novel circuit breaker with automatic opening and closing function according to claim 1, characterized in that: the operating mechanism (200) comprises an operating mechanism shell (8) fixedly connected with one side of the breaker main body, an operating mechanism bracket (202) arranged in the operating mechanism shell (8), a motor, a transmission mechanism arranged in the middle of the operating mechanism bracket (202), a sliding block (6) arranged between the operating mechanism bracket (202) and the breaker main body, a manual operating hole site (5) arranged in the middle of one side of the operating mechanism bracket (202) far away from the breaker main body, a control circuit board (203) arranged outside the manual operating hole site (5), a dial (3) arranged on one side of the operating mechanism bracket (202) far away from the breaker main body, a locking mechanism (13) arranged on the operating mechanism bracket (202) in a rotating mode, and a second micro switch (11) arranged on one side of the dial (3) and a first micro switch (14) arranged on one side of the locking mechanism (13);
the control circuit board (203) is connected with an external circuit, the motor is electrically connected with the control circuit board, the transmission mechanism is connected with the motor drive, the transmission mechanism is respectively connected with the manual operation hole site (5) and the slide block (6) in a driving way, the dialing code (3) is arranged on the operation mechanism support (202) in a sliding way, one end of the dialing code is matched with the manual operation hole site (5), the other end of the dialing code is respectively matched with the second micro switch (11) and the locking mechanism (13), the locking mechanism (13) is respectively matched with the tripping button (12), the first micro switch (14), the second micro switch (11) and the control circuit board (203) are connected in series, the slide block (6) is connected with the operation handle (2) of the circuit breaker main body in a driving way, the tripping button (12) penetrates through the operation mechanism support (202) and two ends of the tripping button (12) are respectively protruded on two sides of the operation mechanism support (202), and one end of the tripping button (12) is connected with the circuit breaker main body in a driving way.
15. The novel circuit breaker with automatic opening and closing function according to claim 1, characterized in that: the circuit breaker main body comprises a circuit breaker shell (1) formed by a base (101) and an upper cover (100), and the operating mechanism (200) comprises an operating mechanism shell (8) fixedly connected with the upper cover (100) and a cover plate (9) fixedly connected with the operating mechanism shell (8).
16. The novel circuit breaker with automatic opening and closing function according to claim 1, characterized in that: the operating mechanism (200) comprises a control circuit board (203), a wiring terminal (7) is arranged on the control circuit board (203), the wiring terminal (7) comprises two first ports connected with a power supply and one or two second ports connected with an electric energy meter, and the electric energy meter inputs control signals to the operating mechanism (200) through the second ports.
17. The novel circuit breaker with automatic opening and closing function according to claim 3, wherein: the breaker main body comprises three working states, namely a closing state, a free tripping state and a breaking state; when the breaker main body is in a closing state, the tripping button (12) is pressed to open the breaker main body, and the operating mechanism (200) can drive the breaker main body to open; when the breaker main body is in a free tripping state, the locking mechanism (13) is in limit fit with the tripping button (12), the operating mechanism (200) is powered off, and the dialing code (3) shields the manual operation hole site (5) of the operating mechanism (200); when the breaker main body is in a breaking state, the operating mechanism (200) can enable the breaker main body to be closed, or enable the breaker main body to be closed through manual operation of the hole site (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810874151.8A CN108878227B (en) | 2018-08-02 | 2018-08-02 | Novel circuit breaker with automatic switching-on and switching-off function |
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| CN201810874151.8A CN108878227B (en) | 2018-08-02 | 2018-08-02 | Novel circuit breaker with automatic switching-on and switching-off function |
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| CN108878227A CN108878227A (en) | 2018-11-23 |
| CN108878227B true CN108878227B (en) | 2024-04-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109727826A (en) * | 2018-12-28 | 2019-05-07 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| EP3764381B1 (en) | 2019-07-09 | 2022-08-03 | Defond Electech Co., Ltd | A lock-off assembly for use in locking-off a trigger of an electrical device |
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| CN108878227A (en) | 2018-11-23 |
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