CN115132532A - Alarm device and moulded case circuit breaker - Google Patents
Alarm device and moulded case circuit breaker Download PDFInfo
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- CN115132532A CN115132532A CN202110330739.9A CN202110330739A CN115132532A CN 115132532 A CN115132532 A CN 115132532A CN 202110330739 A CN202110330739 A CN 202110330739A CN 115132532 A CN115132532 A CN 115132532A
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- connecting piece
- alarm
- operating mechanism
- circuit breaker
- case circuit
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- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 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
- H01H71/04—Means for indicating condition of the switching device
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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
- H01H71/08—Terminals; Connections
-
- 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
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Abstract
The invention provides an alarm device and a molded case circuit breaker, which relate to the technical field of low-voltage electrical appliances and comprise the following components: the alarm device comprises a first connecting piece, an alarm and a bracket; the alarm is arranged on a bracket connected with the shell; the first connecting piece is arranged between the operating mechanism and the alarm, and one end of the first connecting piece is connected with the operating mechanism through the second connecting piece; the operating mechanism is used for controlling the second connecting piece to rotate, the second connecting piece pushes the first connecting piece to control the first connecting piece to stretch, the molded case circuit breaker is in a switching-on or switching-off state, namely when the operating mechanism is in the switching-on or switching-off state, the first connecting piece is contracted, and the alarm is closed; when the molded case circuit breaker is in a tripping state, namely the operating mechanism is in the tripping state, the first connecting piece extends out, and the alarm is started; the external system gives an alarm to remind an operator of tripping the molded case circuit breaker so as to carry out repair work at the first time.
Description
Technical Field
The invention relates to the technical field of low-voltage electric appliances, in particular to an alarm device and a molded case circuit breaker.
Background
The plastic case circuit breaker is a commonly used distribution protection electric appliance, has the functions of on-off, overload and short circuit protection for load power supply, and is widely applied to electric power distribution systems. Compared with a miniature circuit breaker, the overcurrent and short-circuit faults of the miniature circuit breaker are respectively protected by two sets of devices, the overcurrent protection action value can be manually adjusted, the miniature circuit breaker has higher current carrying capacity and strong arc extinguishing capacity and can bear larger short-circuit current, and therefore, the miniature circuit breaker can be widely used in a distribution box and used as a power supply control switch and protection of equipment such as a distribution line, a motor, an illuminating circuit and an electric heater.
The molded case circuit breaker generally includes a case, a handle, a shunt release, an alarm device, and other electronic components.
In the prior art, a molded case circuit breaker generally includes three operating states: tripping, closing and tripping, the plastic case circuit breaker on the market can not inform the operator when automatically breaking through the tripper, can only learn whether the circuit breaker breaks off through observing whether the electrical apparatus breaks off the power supply, can not make the operator maintain the efficiency for the very first time.
Disclosure of Invention
The invention aims to solve the following problems: when the circuit breaker is tripped, maintenance personnel cannot be informed at the first time, and the efficiency is influenced.
(II) technical scheme
The invention provides an alarm device for a molded case circuit breaker, wherein the molded case circuit breaker comprises a shell, an operating mechanism and a base, the operating mechanism is arranged on the base, and the alarm device comprises: the alarm device, the first connecting piece and the bracket;
the bracket is connected with the shell, and the alarm is arranged on the bracket;
the base is arranged below the shell;
the first connecting piece is arranged between the operating mechanism and the alarm, and one end of the first connecting piece is connected with the operating mechanism;
the operating mechanism is used for controlling the first connecting piece to stretch;
when the operating mechanism is in a tripping state, the first connecting piece extends out, and the alarm is started;
when the operating mechanism is in a switching-on state or a switching-off state, the first connecting piece contracts, and the alarm is turned off.
Further, the device also comprises a second connecting piece;
one end of the second connecting piece is connected with the operating mechanism, the operating mechanism drives the second connecting piece to rotate, and the other end of the second connecting piece is connected with the first connecting piece to drive the first connecting piece to stretch.
Furthermore, the device also comprises a resetting piece;
reset one end with the support butt, the other end with first connecting piece butt, it is right to reset the piece first connecting piece is exerted one and is kept away from the power of alarm direction motion.
Further, a contact surface is arranged on the first connecting piece;
when the first connecting piece stretches out, the contact surface is abutted to the alarm.
Furthermore, the shell is provided with a mounting hole;
the first connecting piece is of a rod-shaped structure and is arranged in the mounting hole;
one end of the first connecting piece is connected with the second connecting piece, the other end of the first connecting piece is provided with the contact surface, and the end provided with the contact surface extends out of the mounting hole.
Further, the operating mechanism comprises a tripping shaft;
the second connecting piece is a cam, and a connecting shaft hole is formed in the cam;
the cam is matched with the jump buckle shaft through the connecting shaft hole and is connected with the operating mechanism, and meanwhile, the cam is connected with one end, far away from the contact surface, of the first connecting piece.
Further, a baffle is arranged on the support, and a first mounting shaft is arranged on the baffle;
a second mounting shaft is arranged at one end of the first connecting piece, which is far away from the second connecting piece;
one end of the resetting piece is connected with the first mounting shaft, and the other end of the resetting piece is connected with the second mounting shaft.
Further, the alarm is a microswitch;
the alarm device comprises a plurality of micro switches;
the first connecting piece is provided with a plurality of contact surfaces, and the contact surfaces are abutted to the micro switch.
Furthermore, the micro switches are arranged in one-to-one correspondence with the contact surfaces.
Another embodiment of the present invention provides a molded case circuit breaker, including the alarm device according to any of the above embodiments.
The invention has the beneficial effects that: the invention provides an alarm device for a molded case circuit breaker, wherein the molded case circuit breaker comprises a shell, an operating mechanism and a base, the operating mechanism is arranged on the base and comprises: the alarm, the first connecting piece and the bracket; the support is connected with the shell, the alarm is arranged on the support, the base is positioned below the shell, the first connecting piece is arranged between the operating mechanism and the alarm, and one end of the first connecting piece is connected with the operating mechanism; the operating mechanism is used for controlling the first connecting piece to stretch; when the operating mechanism is in a tripping state, the first connecting piece extends out, and the alarm is started; when the operating mechanism is in a closing state or an opening state, the first connecting piece contracts, and the alarm is closed.
When moulded case circuit breaker takes place to thread off, operating device can take place to rotate, through set up with the first connecting piece that operating device connects, work as operating device when rotating, can control the flexible of first connecting piece, when the dropout, first connecting piece stretches out, with the alarm is connected, and at this moment, the alarm begins to report to the police, reminds operating personnel moulded case circuit breaker is in the dropout state to the very first time comes repair work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a connection mechanism provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second connecting member according to an embodiment of the present invention;
FIG. 3 is a schematic view of an operating mechanism coupled to a first connecting member and a second connecting member according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first connecting element according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a housing according to an embodiment of the present invention;
FIG. 6 is a schematic view of a structure of the housing and the first connecting member according to an embodiment of the present invention;
FIG. 7 is a schematic view of a bracket structure provided in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a first connecting element according to a first embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a first embodiment of a bracket according to the present invention;
fig. 10 is a schematic structural diagram of a second embodiment of a first connecting member according to the present invention;
FIG. 11 is a schematic structural view of a second embodiment of a bracket according to the present invention;
fig. 12 is a schematic structural diagram of a third embodiment of a first connecting element according to the present invention;
fig. 13 is a schematic structural diagram of a third embodiment of a bracket according to the present invention.
Icon: 1-an alarm;
2-a first connector; 21-contact surface; 22-a second mounting shaft; 23-a limiting bulge;
3-a second connector; 32-connecting the shaft hole;
4-a shell; 41-mounting holes;
5-an operating mechanism; 51-jump shaft;
6-a reset piece;
7-a scaffold; 71-a baffle; 711-first installation shaft.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that, in the description of the present invention, the terms "connected" and "mounted" should be interpreted broadly, for example, they may be fixedly connected, detachably connected, or integrally connected; can be directly connected or connected through an intermediate medium; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 7, an embodiment of the present invention provides an alarm device for a molded case circuit breaker, where the molded case circuit breaker includes a housing 4, an operating mechanism 5, and a base, and the operating mechanism 5 is disposed on the base, and includes: the alarm device 1, the first connecting piece 2 and the bracket 7; the bracket 7 is connected with the shell 4, and the alarm 1 is arranged on the bracket 7; the base is arranged below the shell 4; the first connecting piece 2 is arranged between the operating mechanism 5 and the alarm 1, and one end of the first connecting piece 2 is connected with the operating mechanism 5; the operating mechanism 5 is used for controlling the first connecting piece 2 to stretch and retract; when the operating mechanism 5 is in a tripping state, the first connecting piece 2 extends out, and the alarm 1 is started; when the operating mechanism 5 is in a closing or opening state, the first connecting piece 2 is contracted, and the alarm 1 is closed.
In this embodiment, the molded case circuit breaker includes an operating mechanism 5, and the operating mechanism 5 is disposed on the base; the operating mechanism 5 is an important component part for promoting automatic tripping of a switch in a molded case circuit breaker operating system, the operating mechanism 5 acts as a point of force in the switching-on process and the switching-on position of the molded case circuit breaker, and when the molded case circuit breaker automatically trips, the operating mechanism 5 rotates to enable the molded case circuit breaker to be in a disconnection state. For avoiding when moulded case circuit breaker tripping operation, unable notice operating personnel set up in the moulded case circuit breaker alarm 1, alarm 1 passes through first connecting piece 2 with operating device 5 is connected, works as when the moulded case circuit breaker tripping operation, operating device 5 rotates, controls first connecting piece 2 rebound, this moment first connecting piece 2 with alarm 1 is connected, and alarm 1 starts and begins to report to the police, and in the normal course of working of moulded case circuit breaker, operating device 5 controls first connecting piece 2 rebound, first connecting piece 2 with alarm 1 does not take place the contact, alarm 1 is out of work. Through setting up alarm device reminds operating personnel moulded case circuit breaker is in the dropout state to repair work is carried out to the very first time.
It can be understood that, in this embodiment, the bracket 7 and the housing 4 may be detachably connected, or may be integrally molded, and in this embodiment, the bracket 7 and the housing 4 are detachably connected.
As shown in fig. 1 and 2, the alarm device further includes a second connecting member 3, one end of the second connecting member 3 is connected to the operating mechanism 5, the operating mechanism 5 drives the second connecting member 3 to rotate, and the other end of the second connecting member 3 is connected to the first connecting member 2 to drive the first connecting member 2 to contract.
In this embodiment, the alarm device further includes a second connecting member 3 for connecting the operating mechanism 5 with the alarm 1, the second connecting member 3 contacts with one end of the first connecting member 2, when the operating mechanism 5 rotates, the second connecting member 3 rotates along with the operating mechanism 5, and can jack up the first connecting member 2, at this time, the first connecting member 2 contacts with the alarm 1, the alarm 1 starts to alarm, when the molded case circuit breaker is in a normal working state, the first connecting member 2 falls back and is connected with the second connecting member 3, and the molded case circuit breaker is in a normal switch-on state.
As shown in fig. 1, the alarm device further comprises a reset member 6; reset 6 one end with support 7 butt, the other end with first connecting piece 2 butt, it is right to reset 6 it exerts one to keeping away from to first connecting piece 2 the power of 1 direction motion of alarm.
In this embodiment, the alarm device further includes a reset part 6 for applying a force to keep away from the direction movement of the alarm 1 to the first connecting part 2, when the operating mechanism 5 rotates, the second connecting part 3 is driven to rotate, the force of the reset part 6 is overcome to jack up the first connecting part 2, when the molded case circuit breaker is switched on, the second connecting part 3 is followed by the operating mechanism 5 to reset, at this time, the first connecting part 2 is still connected with the alarm 1, and the alarm 1 is still in a working state, so the reset part 6 is set, and when the operating mechanism 5 resets, the reset part 6 is right to apply a force to the first connecting part 2, so that the first connecting part 2 resets along with the operating mechanism 5 to close the alarm 1.
As shown in fig. 4, the first connecting member 2 is provided with a contact surface 21; when the first connecting piece 2 extends out, the contact surface 21 is abutted to the alarm 1.
In this embodiment, the first connecting piece 2 is provided with a contact surface 21 specially used for being connected with the alarm 1, and the alarm 1 is started by abutting the contact surface 21 against the alarm 1. Specifically, the contact surface 21 is a plane parallel to the start switch of the alarm 1.
As shown in fig. 1 to 6, the housing 4 is provided with a mounting hole 41; the operating mechanism 5 comprises a trip shaft 51; the first connecting piece 2 is of a rod-shaped structure, the second connecting piece 3 is a cam, the first connecting piece 2 is arranged in the mounting hole 41, one end of the first connecting piece 2 is connected with the second connecting piece 3, and the other end of the first connecting piece 2 is provided with the contact surface 21; and the end provided with the contact surface 21 protrudes from the mounting hole 41. The cam is provided with a connecting shaft hole 32; the cam is matched with the jump buckle shaft 51 through the connecting shaft hole 32 to be connected with the operating mechanism 5, and is connected with one end, far away from the contact surface 21, of the first connecting piece 2.
In this embodiment, the first connecting member 2 is disposed in the mounting hole 41 of the housing 4 and can slide relative to the mounting hole 41. The cam with operating device 5 is connected, just works as when moulded case circuit breaker dropout, can drive the cam rotates, the cam with first connecting piece 2 is connected, along with the rotation of cam, can with first connecting piece 2 jack-up or make first connecting piece 2 whereabouts. When the cam jacks up the first connecting piece 2, namely, one end of the first connecting piece 2, which is provided with the contact surface 21, extends out of the mounting hole 41 to be connected with the alarm 1, the alarm 1 is started.
In this embodiment, specifically, a certain gap exists between the first connecting member 2 and the second connecting member 3, and when the operating mechanism 5 is in a trip state, the first connecting member 2 is in contact with the second connecting member 3. The alarm device 1 is prevented from being influenced when the operating mechanism 5 is switched on or switched off.
Specifically, be equipped with spacing arch 23 on the first connecting piece 2, work as operating device 5 is in when closing a floodgate or separating brake reset under 6's the effect that resets, first connecting piece 2 is to keeping away from the direction motion of alarm 1, at this moment, spacing arch 23 with the 41 outer fringe butt of mounting hole restricts first connecting piece 2 continues to keeping away from the direction motion of alarm 1.
It can be understood that, in this embodiment, the connection manner between the first connecting piece 2 and the cam may also be that the first connecting piece 2 is always abutted against the cam, which can also achieve the purpose that, in this embodiment, when the cam rotates, the first connecting piece 2 can be driven to move upwards.
In this embodiment, the operating mechanism 5 is connected to the second connecting member 3 through the trip shaft 51, and drives the second connecting member 3 to rotate, so as to implement trip alarm.
It can be understood that, in the present embodiment, the transmission manner of the first connecting element 2 and the second connecting element 3 may also be a crank-slider mechanism. The first connecting piece 2 and the second connecting piece 3 are both connecting rods, one end of the second connecting piece 3 is hinged with the first connecting piece 2, the other end of the second connecting piece 3 is connected with the operating mechanism 5, a sliding block can be arranged on the shell 4, one end of the first connecting piece 2 far away from the second connecting piece 3 is connected with the sliding block, when the second connecting piece 3 rotates along with the operating mechanism 5, the sliding block is connected with the alarm 1 by the expansion and contraction of the sliding block driven by the first connecting piece 2, or one end of the first connecting piece 2 far away from the second connecting piece 3 is provided with a contact area, the shell 4 is provided with a sliding groove which can enable one end of the first connecting piece 2 far away from the second connecting piece 3 to slide, the alarm 1 can be arranged in the sliding groove, and the first connecting piece 2 is driven to move by the second connecting piece 3, the purpose of controlling the switch of the alarm 1 in the embodiment can also be achieved.
In this embodiment, be equipped with on casing 4 support 7, be equipped with the installation region on the support 7, alarm 1 locates on the installation region, support 7 is in isolation has on the casing 4, with casing 4 cooperates, forms a mounting cavity, is used for placing alarm 1, will alarm 1 with other parts are separated on the casing 4, so that alarm 1 does not receive other mechanism interference, can normally work. And meanwhile, when the alarm device is provided with a plurality of alarms 1, the alarms 1 are simultaneously installed on the support 7 through the support 7.
In this embodiment, the mounting hole 41 is communicated with the mounting cavity formed by the housing 4 and the bracket 7, so that the first connecting member 2 extends into the mounting cavity, and when the molded case circuit breaker is in a tripping state, the molded case circuit breaker is connected with the alarm 1, thereby realizing the tripping alarm function of the molded case circuit breaker.
As shown in fig. 7, a baffle 71 is disposed on the bracket 7, and a first mounting shaft 711 is disposed on the baffle 71; a second mounting shaft 22 is arranged at one end of the first connecting piece 2, which is far away from the second connecting piece 3; one end of the reset member 6 is connected to the first mounting shaft 711, and the other end is connected to the second mounting shaft 22.
In this embodiment, specifically, the reset member 6 is a compression spring, and has the characteristics of simple structure, economy and durability.
In this embodiment, in order to prevent the compression spring from falling off, the bracket 7 is provided with a first mounting shaft 711, the first connecting member 2 is provided with a second mounting shaft 22, and two ends of the compression spring are respectively inserted into the first connecting shaft and the second connecting shaft, so that the compression spring normally works.
As shown in fig. 1, the alarm 1 is a microswitch; the alarm device comprises a plurality of micro switches; the first connecting piece 2 is provided with a plurality of contact surfaces 21, and the contact surfaces 21 are abutted with the micro switch; the micro switches are arranged in one-to-one correspondence with the contact surfaces 21.
In this embodiment, the alarm device 1 employs a microswitch which is a contact structure having a minute contact interval and a snap action mechanism and which performs a switching operation with a predetermined stroke and a predetermined force. By arranging the contact of the microswitch and the second connecting piece 3, the alarm can be given out quickly.
In this embodiment, alarm 1 includes a plurality of micro-gap switch can avoid singly micro-gap switch damages and leads to alarm function to become invalid, simultaneously, sets up a plurality of micro-gap switch can also improve alarm effect, makes operating personnel know as early as possible and maintain as early as possible, and is a plurality of micro-gap switch locates one side of operating device 5, second connecting piece 3 be equipped with the contact surface 21 of micro-gap switch contact can be based on micro-gap switch's the mode of arranging sets up micro-gap switch 2's structure, with four micro-gap switch is the example, lists three kinds of micro-gap switch's the mode of arranging here, be equipped with four on first connecting 2 contact surface 21:
example one
As shown in fig. 8 and 9, with the axial direction of the first mounting shaft 711 as a reference, the four contact surfaces 21 are located on the left side or the right side of the axial direction of the first mounting shaft 711, the four contact surfaces 21 are distributed along the axial direction of the first mounting shaft 711, the four contact surfaces 21 are all perpendicular to the axial direction of the first mounting shaft 711, and the four micro switches are located on the bracket 7 and are arranged in one-to-one correspondence with the four contact surfaces 21, so that when the first connecting member 2 moves upward, the contact surfaces 21 contact with the micro switches to trigger an alarm.
Example two
As shown in fig. 10 and 11, with the axial direction of the first mounting shaft 711 as a reference, the four contact surfaces 21 are arranged along the axial direction perpendicular to the first mounting shaft 711, and the four contact surfaces 21 are located on the same plane, and the four micro switches are disposed on the bracket 7 and are arranged in one-to-one correspondence with the four contact surfaces 21, so that when the first connecting member 2 moves upward, the contact surfaces 21 contact with the micro switches to trigger an alarm.
EXAMPLE III
As shown in fig. 12 and 13, four contact surfaces 21 are distributed in a matrix on the first connecting member 2, that is, with the axis of the first mounting shaft 711 as a reference, two first contact surfaces 21 are disposed on the left side and the right side of the axis of the first mounting shaft 711, and the two contact surfaces 21 located on the same side are distributed along the axis of the first mounting shaft 711, and the four contact surfaces 21 are perpendicular to the axis of the first mounting shaft 711, and the four microswitches are located on the bracket 7 and are arranged in one-to-one correspondence with the four contact surfaces 21, so that when the first connecting member 2 moves upward, the contact surfaces 21 contact with the microswitches to trigger an alarm.
As shown in fig. 1 to 7, the present invention further provides a molded case circuit breaker including the alarm device according to any of the embodiments. Be equipped with a plurality ofly on the moulded case circuit breaker micro-gap switch, it is a plurality of micro-gap switch locates jump one side of detaining axle 51, first connecting piece 2 be equipped with the contact surface 21 that micro-gap switch offseted, work as when the moulded case circuit breaker is tripped, second connecting piece 3 is followed operating device 5 rotates, jack-up first connecting piece 2, contact surface 21 contacts with the micro-gap switch that corresponds the setting, triggers the warning.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an alarm device for moulded case circuit breaker, moulded case circuit breaker includes casing (4), operating device (5) and base, operating device (5) are located on the base, its characterized in that, alarm device includes: the alarm device comprises a first connecting piece (2), an alarm (1) and a support (7);
the support (7) is connected with the shell (4), and the alarm (1) is arranged on the support (7);
the base is arranged below the shell (4);
the first connecting piece (2) is arranged between the operating mechanism (5) and the alarm (1), and one end of the first connecting piece (2) is connected with the operating mechanism (5);
the operating mechanism (5) is used for controlling the first connecting piece (2) to stretch and retract;
when the operating mechanism (5) is in a tripping state, the first connecting piece (2) extends out, and the alarm (1) is started;
when the operating mechanism (5) is in a closing or opening state, the first connecting piece (2) contracts, and the alarm (1) is closed.
2. A warning unit according to claim 1, characterised by further comprising a second connecting element (3);
one end of the second connecting piece (3) is connected with the operating mechanism (5), the operating mechanism (5) drives the second connecting piece (3) to rotate, and the other end of the second connecting piece (3) is connected with the first connecting piece (2) to drive the first connecting piece (2) to stretch.
3. An alarm device according to claim 2, characterised by further comprising a reset member (6);
reset piece (6) one end with support (7) butt, the other end with first connecting piece (2) butt, it is right to reset piece (6) first connecting piece (2) are applyed one and are kept away from the power of alarm (1) direction motion.
4. A warning device according to claim 2, characterised in that the first connecting part (2) is provided with a contact surface (21);
when the first connecting piece (2) extends out, the contact surface (21) is abutted to the alarm (1).
5. A warning device according to claim 4, characterised in that the housing (4) is provided with mounting holes (41);
the first connecting piece (2) is of a rod-shaped structure, and the first connecting piece (2) is arranged in the mounting hole (41);
one end of the first connecting piece (2) is connected with the second connecting piece (3), the other end of the first connecting piece is provided with the contact surface (21), and the end provided with the contact surface (21) extends out of the mounting hole (41).
6. An alarm device according to claim 4, characterised in that the operating mechanism (5) comprises a trip shaft (51);
the second connecting piece (3) is a cam, and a connecting shaft hole (32) is formed in the cam;
the cam is matched with the jump buckle shaft (51) through the connecting shaft hole (32) and is connected with the operating mechanism (5), and meanwhile, the cam is connected with one end, far away from the contact surface (21), of the first connecting piece (2).
7. A warning device according to claim 3, characterised in that the bracket (7) is provided with a baffle (71), and the baffle (71) is provided with a first mounting shaft (711);
a second mounting shaft (22) is arranged at one end, far away from the second connecting piece (3), of the first connecting piece (2);
one end of the resetting piece (6) is connected with the first mounting shaft (711), and the other end of the resetting piece is connected with the second mounting shaft (22).
8. The warning device according to claim 4, characterised in that the alarm (1) is a microswitch;
the alarm device comprises a plurality of micro switches;
the first connecting piece (2) is provided with a plurality of contact surfaces (21), and the contact surfaces (21) are abutted to the micro switch.
9. The warning device according to claim 8, characterized in that the microswitches are arranged in a one-to-one correspondence with the contact surfaces (21).
10. A molded case circuit breaker characterized by comprising the alarm device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330739.9A CN115132532B (en) | 2021-03-26 | 2021-03-26 | Alarm device and molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330739.9A CN115132532B (en) | 2021-03-26 | 2021-03-26 | Alarm device and molded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115132532A true CN115132532A (en) | 2022-09-30 |
| CN115132532B CN115132532B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110330739.9A Active CN115132532B (en) | 2021-03-26 | 2021-03-26 | Alarm device and molded case circuit breaker |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200430939Y1 (en) * | 2006-08-25 | 2006-11-14 | 엘에스산전 주식회사 | An alarm device for molded case circuit breaker |
| CN107424884A (en) * | 2017-06-16 | 2017-12-01 | 常熟开关制造有限公司(原常熟开关厂） | A kind of energy storage electric pneumatic operating mechanism for breaker of plastic casing |
| CN109243929A (en) * | 2018-10-30 | 2019-01-18 | 德力西电气有限公司 | A kind of breaker of plastic casing with adjustable type overload-alarm non-tripping function |
| CN214848419U (en) * | 2021-03-26 | 2021-11-23 | 上海良信电器股份有限公司 | Alarm device and moulded case circuit breaker |
-
2021
- 2021-03-26 CN CN202110330739.9A patent/CN115132532B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200430939Y1 (en) * | 2006-08-25 | 2006-11-14 | 엘에스산전 주식회사 | An alarm device for molded case circuit breaker |
| CN107424884A (en) * | 2017-06-16 | 2017-12-01 | 常熟开关制造有限公司(原常熟开关厂） | A kind of energy storage electric pneumatic operating mechanism for breaker of plastic casing |
| CN109243929A (en) * | 2018-10-30 | 2019-01-18 | 德力西电气有限公司 | A kind of breaker of plastic casing with adjustable type overload-alarm non-tripping function |
| CN214848419U (en) * | 2021-03-26 | 2021-11-23 | 上海良信电器股份有限公司 | Alarm device and moulded case circuit breaker |
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| CN115132532B (en) | 2024-07-16 |
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