CN205723368U - The overload-alarm non-tripping device of breaker - Google Patents
The overload-alarm non-tripping device of breaker Download PDFInfo
- Publication number
- CN205723368U CN205723368U CN201620159063.6U CN201620159063U CN205723368U CN 205723368 U CN205723368 U CN 205723368U CN 201620159063 U CN201620159063 U CN 201620159063U CN 205723368 U CN205723368 U CN 205723368U
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- China
- Prior art keywords
- bimetal leaf
- microswitch
- overload
- thermal element
- plate
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- Withdrawn - After Issue
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Abstract
A kind of overload-alarm non-tripping device of breaker, it includes the bimetal leaf that deformation quantity varies with temperature, the thermal element that bimetal leaf is heated, for exporting the microswitch of alarm signal and the alert rod being fixedly mounted on bimetal leaf, described alert rod one end is connected with bimetal leaf, corresponding microswitch is correspondingly arranged the other end with this bimetal leaf, when in circuit, overload current reaches setting valve, bimetal leaf is heated and produced enough deformation and drive alert rod to move and trigger microswitch by thermal element, go for the breaker of varying number number of poles, when in circuit, overload current reaches setting valve, bimetal leaf triggers microswitch to user's output circuit overloading alarming signal by alert rod.Additionally, alert rod includes insulating sleeve and pull bar, simple in construction, easy to assembly, each bimetal leaf is installed an alert rod, a corresponding microswitch.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, particularly relates to a kind of breaker, particularly relates to the overload-alarm non-tripping device of a kind of breaker.
Background technology
Breaker is the important component part of electrical equipment industry, has been obtained for being widely applied.When circuit is working properly, breaker can reach the functions such as power failure, power supply and change-over circuit by Guan Bi or the circuit disconnecting supply electric energy.When overload, decompression, the fault such as under-voltage or short-circuit occurs in circuit, breaker again can be automatically by circuitry cuts, it is to avoid jeopardize the safety of staff and the properly functioning of equipment because of fault.When usual breaker occurs overload or short circuit in circuit can within the time of regulation automatic shutoff circuit; carry out the protection to electrical equipment with this; but overload occurs during if breaker is because of circuit in important distribution line and automatically circuit is disconnected the great economic loss of often assembly; it is thus desirable to breaker occurs that sending alarm during overload substitutes automatic shutoff circuit in circuit; make user be able to as early as possible by the failture evacuation in circuit, thus avoid the economic loss causing because circuit disconnects suddenly.
Content of the invention
The purpose of this utility model is to overcome the defect of prior art, provides the overload-alarm non-tripping device of the breaker that a kind of simple in construction, reliability are high.
For achieving the above object, the utility model adopts the technical scheme that
A kind of overload-alarm non-tripping device of breaker, it includes thermal element that the 1st, bimetal leaf 1 heated by the bimetal leaf that deformation quantity varies with temperature the 2nd, for the microswitch 3 exporting alarm signal and the alert rod 8 being fixedly mounted on bimetal leaf 1, described alert rod 8 one end is connected with bimetal leaf 1, the other end is correspondingly arranged with this corresponding microswitch of bimetal leaf 13, when in circuit, overload current reaches setting valve, bimetal leaf 1 is heated and produced enough deformation and drive alert rod 8 to move and trigger microswitch 3 by thermal element 2.
Optionally, described alert rod 8 includes the insulating sleeve 4 being installed on bimetal leaf 1 and the pull bar 41 being installed on insulating sleeve 4 other end, and one end of described pull bar 41 is connected with insulating sleeve 4, and the other end coordinates with microswitch 3.
Optionally, described insulating sleeve 4 includes that the 47th, the drive end being socketed on bimetal leaf 1 connects the working end 43 of microswitch 3 and the connecting portion 42 of connection drive end 47 and working end 43, and described working end 43 is sleeved on pull bar 41.
Optionally, described drive end 47 is provided with the driver slot 44 for being sleeved on bimetal leaf 1, and described working end 43 is provided with the work nest 45 for being sleeved on pull bar 41, driver slot 44 and the axially vertical setting of work nest 45, overall in " fourth " character form structure.
Optionally, described pull bar 41 is L-shaped structure, it includes that one end is inserted into the working beam 41b that insertion rod 41a in work nest 45 and the other end bend to microswitch 3 direction, microswitch 3 is arranged on the inner side of pull bar 41, when in circuit, overload current reaches setting valve, bimetal leaf 1 produces deformation and away from microswitch 3 because being heated, and is driven working beam 41b close to microswitch 3 by insulating sleeve 4 and insertion rod 41a and is triggered microswitch 3 and reports to the police；The thickness of working end 43, more than the thickness connecting end, forms the relief portion 46 for avoiding thermal element 2 between working end 43 and connecting portion 42.
Optionally, including multiple bimetal leaf 1 and multiple alert rod 8, multiple bimetal leafs 1 are separately installed with alert rod 8, and are coordinated with each corresponding microswitch of bimetal leaf 13 by alert rod 8；Multiple microswitches 3 are connected in parallel and pass through the outside output signal of two wires.
Optionally, three bimetal leafs 1 are connected with corresponding three microswitches 3 by three alert rod 8 respectively, and three microswitches 3 are arranged in the pedestal of breaker by support 5；Described support 5 includes that the 51st, base plate is extended vertically upwards the first fixed plate the 511st, the second fixed plate 512 and the 3rd fixed plate 513 being formed for installing microswitch 3 by base plate 51, forming the passage passing through for alert rod 8 between the first fixed plate 511 and the second fixed plate 512, other two alert rod 8 is passed through from the outside of the first fixed plate 511 and the 3rd fixed plate 513 respectively.
Optionally, be respectively equipped with in described first fixed plate 511 and the second fixed plate 512 to deviate to extend to be formed and first fix muscle 5111 and second for fix microswitch 3 further and fix muscle 5121, the 3rd fixed plate is provided with second fix muscle 5121 bearing of trend identical the 3rd fix muscle 5131；First fixed plate the 511st, the second fixed plate 512 and the 3rd fixed plate 513 are respectively provided with the screwed hole for installing microswitch 3, base plate 51 is provided with the pedestal pilot hole 514 for being installed on support on pedestal, base plate 51 is provided with the first convex tendon 52 and the second convex tendon 53, and base plate 51 is provided with avoidance mouth 54；Being respectively arranged at two ends with outward extending extended end 55 at base plate 51, extended end 55 is provided with installing hole 551.
Optionally, also include for the joint cover 6 of thermal element 2 wiring with for connecting the alert rod 8 of bimetal leaf 1 and microswitch 3, joint cover 6 is connected with one end of thermal element 2, bimetal leaf 1 is arranged on the side of thermal element 2, opposite side at thermal element 2 is provided with iron core 7, and one end that integrated joint cover 6 is connected with thermal element 2 upwardly extends and is directly connected away from one end of iron core 7 with thermal element 2；Described joint cover 6 includes the misplace terminal plate 61 of vertically disposed wiring and the installing plate 62 with bimetal leaf 1 welding, terminal plate 61 is provided with wiring extended end 63 near installing plate 62 side, wiring extended end 63 and installing plate 62 are connected by the connecting plate 64 being obliquely installed, described terminal plate the 61st, installing plate the 62nd, wiring extended end 63 and connecting plate 64 are all formed in one, and the width of installing plate the 62nd, wiring extended end 63 and connecting plate 64 is respectively less than terminal plate 61.
Optionally, described thermal element 2 is L-shaped structure, it includes the fixing end 21 installed with circuit breaker base and prolongs the fire end 22 that fixing end 21 sides, end upwardly extend formation, fire end 22 continues to upwardly extend after deviating from the bending of bimetal leaf 1 direction, make to be formed between the fire end 22 of thermal element 2 and bimetal leaf 1 certain distance, fire end 22 is additionally provided with through hole 221.
The alert rod being used for triggering microswitch is directly installed on bimetal leaf by the overload-alarm non-tripping device of breaker of the present utility model, without arranging transmission and the sliding matching structure of complexity in pedestal, go for the breaker of varying number number of poles, when in circuit, overload current reaches setting valve, bimetal leaf triggers microswitch to user's output circuit overloading alarming signal by alert rod.Additionally, alert rod includes insulating sleeve and pull bar, simple in construction, easy to assembly, each bimetal leaf is installed an alert rod, a corresponding microswitch, multiple microswitches are connected in parallel and pass through the outside output signal of two wires, it is possible to reduce number of leads, improve space availability ratio.
Brief description
Fig. 1 is the partial structurtes schematic diagram of the overload-alarm non-tripping device of the utility model breaker；
Fig. 2 is the structural representation of the utility model insulating sleeve；
Fig. 3 is the partial enlarged drawing of the utility model insulating sleeve；
Fig. 4 is the overload-alarm non-tripping apparatus structure schematic diagram of breaker of the present utility model；
Fig. 5 is the structural representation of the utility model support.
Detailed description of the invention
The embodiment being given below in conjunction with accompanying drawing 1 to 5, further illustrates the detailed description of the invention of the overload-alarm non-tripping device of breaker of the present utility model.The overload-alarm non-tripping device of breaker of the present utility model is not limited to the following description.
As shown in Figure 1, the overload-alarm non-tripping device of breaker of the present utility model includes the bimetal leaf 1 that deformation quantity varies with temperature, the thermal element 2 that bimetal leaf 1 is heated, for exporting the microswitch 3 of alarm signal, joint cover 6 and the alert rod 8 being fixedly mounted on bimetal leaf 1 for thermal element 2 wiring, joint cover 6 is connected with one end of thermal element 2, bimetal leaf 1 is arranged on the side of thermal element 2, opposite side at thermal element 2 is provided with iron core 7, one end that integrated joint cover 6 is connected with thermal element 2 upwardly extends and is directly connected away from one end of iron core 7 with thermal element 2.Described alert rod 8 one end is connected with bimetal leaf 1, the other end is correspondingly arranged with this corresponding microswitch of bimetal leaf 13, when in circuit, overload current reaches setting valve, bimetal leaf 1 is heated and produced enough deformation and drive alert rod 8 motion triggers microswitch 3 by thermal element 2, with this to user's output circuit overloading alarming signal.Joint cover 6 in the present embodiment passes through welded and installed with thermal element 2, and bimetal leaf the 1st, thermal element 2 and iron core 7 are installed by rivet.
Further, described alert rod 8 includes the insulating sleeve 4 being installed on bimetal leaf 1 and the pull bar 41 being installed on insulating sleeve 4 other end, and one end of described pull bar 41 is connected with insulating sleeve 4, and the other end coordinates with microswitch 3.
In conjunction with shown in Fig. 2, described insulating sleeve 4 includes that the 47th, the drive end being socketed on bimetal leaf 1 connects the working end 43 of microswitch 3 and the connecting portion 42 of connection drive end 47 and working end 43, and described working end 43 is sleeved on pull bar 41.
Concrete, described drive end 47 is provided with the driver slot 44 for being sleeved on bimetal leaf 1, described working end 43 is provided with the work nest 45 for being sleeved on pull bar 41, driver slot 44 and the axially vertical setting of work nest 45, overall in " fourth " character form structure, the thickness of working end 43, more than the thickness connecting end, forms the relief portion 46 for avoiding thermal element 2 between working end 43 and connecting portion 42.Described pull bar 41 is L-shaped structure, it includes that one end is inserted into the working beam 41b that insertion rod 41a in work nest 45 and the other end bend to microswitch 3 direction, microswitch 3 is arranged on the inner side of pull bar 41, when in circuit, overload current reaches setting valve, bimetal leaf 1 produces deformation and away from microswitch 3 because being heated, and is driven working beam 41b close to microswitch 3 by insulating sleeve 4 and insertion rod 41a and is triggered microswitch 3 and reports to the police.It in conjunction with Fig. 3, is provided with inside described driver slot 44 for clamping the convex tendon 441 inserting end 11.
As shown in Figure 1, described thermal element 2 is L-shaped structure, it includes the fixing end 21 installed with circuit breaker base and prolongs the fire end 22 that fixing end 21 sides, end upwardly extend formation, fire end 22 continues to upwardly extend after deviating from the bending of bimetal leaf 1 direction, make to be formed between the fire end 22 of thermal element 2 and bimetal leaf 1 certain distance, fire end 22 is additionally provided with through hole 221.Described joint cover 6 includes the misplace terminal plate 61 of vertically disposed wiring and the installing plate 62 with bimetal leaf 1 welding, terminal plate 61 is provided with wiring extended end 63 near installing plate 62 side, wiring extended end 63 and installing plate 62 are connected by the connecting plate 64 being obliquely installed, described terminal plate the 61st, installing plate the 62nd, wiring extended end 63 and connecting plate 64 are all formed in one, the width of installing plate the 62nd, wiring extended end 63 and connecting plate 64 is respectively less than terminal plate 61, can effectively reduce the time of production and processing, reduce production cost.
Further, described bimetal leaf 1 is provided with and upwardly extends the insertion end 11 being inserted in driver slot 44, the both sides inserting end 11 are provided with trough with straight angle 11, make insulating sleeve 4 be arranged on bimetal leaf 1 afterwards by trough with straight angle 11 and thermal element 2 leaves a certain distance, ensure that insulating sleeve 4 will not come in contact with thermal element 2 when motion.
As shown in Figure 4, the breaker of the present embodiment includes multiple bimetal leaf 1 and multiple alert rod 8, and multiple microswitches 3 are connected in parallel and pass through the outside output signal of two wires, it is possible to reduce number of leads, improve space availability ratio；It is separately installed with alert rod 8 on multiple bimetal leafs 1, and coordinated with each corresponding microswitch of bimetal leaf 13 by alert rod 8, go for one pole or multipole circuit breaker, the present embodiment is three grades of breakers, three bimetal leafs 1 are connected with corresponding three microswitches 3 by three alert rod 8 respectively, and three microswitches 3 are arranged in the pedestal of breaker by support 5.
As shown in Figure 5, described support 5 includes that the 51st, base plate is extended vertically upwards the first fixed plate the 511st, the second fixed plate 512 and the 3rd fixed plate 513 being formed for installing microswitch 3 by base plate 51, forming the passage passing through for alert rod 8 between the first fixed plate 511 and the second fixed plate 512, other two alert rod 8 is passed through from the outside of the first fixed plate 511 and the 3rd fixed plate 513 respectively.
Concrete, be respectively equipped with in described first fixed plate 511 and the second fixed plate 512 to deviate to extend to be formed and first fix muscle 5111 and second for fix microswitch 3 further and fix muscle 5121, the 3rd fixed plate is provided with second fix muscle 5121 bearing of trend identical the 3rd fix muscle 5131；First fixed plate the 511st, the second fixed plate 512 and the 3rd fixed plate 513 are respectively provided with the screwed hole for installing microswitch 3, base plate 51 is provided with the pedestal pilot hole 514 for being installed on support on pedestal, base plate 51 is provided with the first convex tendon 52 and the second convex tendon 53, and base plate 51 is provided with avoidance mouth 54；Being respectively arranged at two ends with outward extending extended end 55 at base plate 51, extended end 55 is provided with installing hole 551.
Above content is to combine concrete preferred embodiment further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the overload-alarm non-tripping device of a breaker, it is characterized in that: include the bimetal leaf (1) that deformation quantity varies with temperature, the thermal element (2) that bimetal leaf (1) is heated, for the microswitch (3) exporting alarm signal and the alert rod (8) being fixedly mounted on bimetal leaf (1), described alert rod (8) one end is connected with bimetal leaf (1), the other end is correspondingly arranged with the corresponding microswitch of this bimetal leaf (1) (3), when in circuit, overload current reaches setting valve, bimetal leaf (1) is heated and produced enough deformation and drive alert rod (8) to move and trigger microswitch (3) by thermal element (2).
2. the overload-alarm non-tripping device of breaker according to claim 1, it is characterized in that: described alert rod (8) includes the insulating sleeve (4) being installed on bimetal leaf (1) and is installed on the pull bar (41) of insulating sleeve (4) other end, one end of described pull bar (41) is connected with insulating sleeve (4), and the other end coordinates with microswitch (3).
3. the overload-alarm non-tripping device of breaker according to claim 2, it is characterized in that: described insulating sleeve (4) includes the connecting portion (42) of the drive end (47) being socketed on bimetal leaf (1), the working end (43) connecting microswitch (3) and connection drive end (47) and working end (43), and described working end (43) are sleeved on pull bar (41).
4. the overload-alarm non-tripping device of breaker according to claim 3, it is characterized in that: described drive end (47) is provided with the driver slot (44) for being sleeved on bimetal leaf (1), described working end (43) is provided with the work nest (45) for being sleeved on pull bar (41), driver slot (44) and the axially vertical setting of work nest (45), overall in " fourth " character form structure.
5. the overload-alarm non-tripping device of breaker according to claim 4, it is characterized in that: described pull bar (41) is L-shaped structure, it includes insertion rod (41a) that one end is inserted in work nest (45) and the working beam (41b) that the other end bends to microswitch (3) direction, microswitch (3) is arranged on the inner side of pull bar (41), when in circuit, overload current reaches setting valve, bimetal leaf (1) produces deformation and away from microswitch (3) because being heated, driven working beam (41b) close to microswitch (3) by insulating sleeve (4) and insertion rod (41a) and trigger microswitch (3) and report to the police；The thickness of working end (43), more than the thickness connecting end, forms the relief portion (46) being used for avoiding thermal element (2) between working end (43) and connecting portion (42).
6. the overload-alarm non-tripping device of the breaker according to claim 1-5 is arbitrary, it is characterized in that: include multiple bimetal leaf (1) and multiple alert rod (8), it is separately installed with alert rod (8) on multiple bimetal leafs (1), and coordinated with the corresponding microswitch of each bimetal leaf (1) (3) by alert rod (8)；Multiple microswitches (3) are connected in parallel and pass through the outside output signal of two wires.
7. the overload-alarm non-tripping device of breaker according to claim 6, it is characterized in that: three bimetal leafs (1) are connected with corresponding three microswitches (3) by three alert rod (8) respectively, three microswitches (3) are arranged in the pedestal of breaker by support (5)；Described support (5) includes base plate (51), is extended vertically upwards the first fixed plate (511), the second fixed plate (512) and the 3rd fixed plate (513) being formed for installing microswitch (3) by base plate (51), forming the passage passing through for alert rod (8) between the first fixed plate (511) and the second fixed plate (512), other two alert rod (8) is passed through from the outside of the first fixed plate (511) and the 3rd fixed plate (513) respectively.
8. the overload-alarm non-tripping device of breaker according to claim 7, it is characterized in that: be respectively equipped with on described first fixed plate (511) and the second fixed plate (512) to deviate to extend to be formed and first fix muscle (5111) and second for fix microswitch (3) further and fix muscle (5121), the 3rd fixed plate is provided with second fix muscle (5121) bearing of trend identical the 3rd fix muscle (5131)；First fixed plate (511), the second fixed plate (512) and the 3rd fixed plate (513) are respectively provided with the screwed hole for installing microswitch (3), base plate (51) is provided with the pedestal pilot hole (514) for being installed on support on pedestal, base plate (51) is provided with the first convex tendon (52) and the second convex tendon (53), and base plate (51) is provided with avoidance mouth (54)；Being respectively arranged at two ends with outward extending extended end (55) at base plate (51), extended end (55) is provided with installing hole (551).
9. the overload-alarm non-tripping device of breaker according to claim 1, it is characterized in that: also include the joint cover (6) for thermal element (2) wiring and the alert rod (8) being used for connecting bimetal leaf (1) and microswitch (3), joint cover (6) is connected with one end of thermal element (2), bimetal leaf (1) is arranged on the side of thermal element (2), opposite side at thermal element (2) is provided with iron core (7), one end that integrated joint cover (6) is connected with thermal element (2) upwardly extends and is directly connected away from one end of iron core (7) with thermal element (2)；Described joint cover (6) includes misplacing the terminal plate (61) of vertically disposed wiring and the installing plate (62) welding with bimetal leaf (1), terminal plate (61) is provided with wiring extended end (63) near installing plate (62) side, wiring extended end (63) and installing plate (62) are connected by the connecting plate (64) being obliquely installed, described terminal plate (61), installing plate (62), wiring extended end (63) and connecting plate (64) are all formed in one, installing plate (62), the width of wiring extended end (63) and connecting plate (64) is respectively less than terminal plate (61).
10. the overload-alarm non-tripping device of breaker according to claim 9, it is characterized in that: described thermal element (2) is L-shaped structure, it includes the fixing end (21) installed with circuit breaker base and prolongs the fire end (22) that fixing end (21) side, end upwardly extends formation, fire end (22) continues to upwardly extend after deviating from the bending of bimetal leaf (1) direction, make to be formed between the fire end (22) of thermal element (2) and bimetal leaf (1) certain distance, fire end (22) is additionally provided with through hole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159063.6U CN205723368U (en) | 2016-03-02 | 2016-03-02 | The overload-alarm non-tripping device of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159063.6U CN205723368U (en) | 2016-03-02 | 2016-03-02 | The overload-alarm non-tripping device of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723368U true CN205723368U (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620159063.6U Withdrawn - After Issue CN205723368U (en) | 2016-03-02 | 2016-03-02 | The overload-alarm non-tripping device of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154325A (en) * | 2016-03-02 | 2017-09-12 | 浙江正泰电器股份有限公司 | The overload-alarm non-tripping device of breaker |
-
2016
- 2016-03-02 CN CN201620159063.6U patent/CN205723368U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154325A (en) * | 2016-03-02 | 2017-09-12 | 浙江正泰电器股份有限公司 | The overload-alarm non-tripping device of breaker |
| CN107154325B (en) * | 2016-03-02 | 2020-06-30 | 浙江正泰电器股份有限公司 | Overload alarm non-tripping device of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20200630 |
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| AV01 | Patent right actively abandoned |