CN202067740U - Line terminal load controller - Google Patents
Line terminal load controller Download PDFInfo
- Publication number
- CN202067740U CN202067740U CN2011201929712U CN201120192971U CN202067740U CN 202067740 U CN202067740 U CN 202067740U CN 2011201929712 U CN2011201929712 U CN 2011201929712U CN 201120192971 U CN201120192971 U CN 201120192971U CN 202067740 U CN202067740 U CN 202067740U
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- spring
- assembly
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- moving
- line terminal
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Abstract
The utility model relates to a line terminal load controller which comprises a shell, an input terminal component mounted on the corresponding mounting position inside the shell, an output terminal component and a resetting button component controlling the connection and disconnection of the input terminal component and the output terminal component; the input terminal component and the output terminal component are respectively connected with an input lead and an output lead; the line terminal load controller also comprises a movable contact component connected with the resetting button component in a transmission way, a short circuit control component connected between the resetting button component and the output terminal component by a lead and disconnecting the circuit during short circuit, and an overcurrent control component arranged between the resetting button component and the input terminal component and disconnecting the circuit when the current is overloaded. As the overcurrent control component and the short circuit control component are arranged, the line terminal load controller has the overcurrent protection and short circuit protection functions, has high sensitivity, fast disconnection speed, long service life, stable and reliable performance and simple structure, can realize one-to-one protection, and can protect the safety of the terminal lines more effectively.
Description
Technical field
The utility model relates to load control technology field, line terminal, is specifically related to a kind of line terminal load control unit that is used to ensure Electrical Safety.
Background technology
Majorities such as existing line terminal such as switch, socket are not provided with functions such as overcurrent protection, short-circuit protection.For ensureing circuit safety, people adopt more is provided with circuit breaker to realize circuit overloads and short-circuit protection on circuit, and when overload or short circuit appearred in circuit, circuit breaker ensured circuit safety with automatic shutdown circuit.And existing breaker protection wider range; can not realize protecting one to one; and the sensitivity of existing circuit breaker is low, break-time is long; when overload appears in circuit; the lower circuit breaker of sensitivity may untimely tripping operation open circuit and cause burning out electrical equipment, even causes the appliance fire accident, therefore; adopt the breaker protection circuit safety to exist, be difficult to ensure Electrical Safety than lower security hidden danger.
Summary of the invention
In view of this, the technical problems to be solved in the utility model provides a kind of highly sensitive, breaking speed is fast, the life-span is long, stable and reliable for performance line terminal load control unit.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of line terminal load control unit, comprise shell, be installed in the input terminal assembly on the corresponding installation position of enclosure, output terminal assembly reaches input terminal assembly and output terminal assembly conducting is started to control the reset button assembly of making usefulness with disconnection, the input terminal assembly is connected with output lead with input lead respectively with output terminal assembly, and this line terminal load control unit also comprises the moving contact component that is in transmission connection with the reset button assembly, by lead be connected between input terminal assembly and the output terminal assembly and when the short circuit open circuit the short circuit control assembly and be arranged on the reset button assembly and the input terminal assembly between and the overcurrent control assembly of open circuit during at current overload.
Above-mentioned input terminal assembly specifically comprises and is used for the input wires screw and the conducting strip that are connected with input lead, described conducting strip is the sheet metal of the stepped bending in right angle and has screw corresponding to the bending end of terminal screw that described terminal screw is screwed in screw and is connected with conducting strip.
Above-mentioned output terminal assembly specifically comprises and is used for the output connection screw and the static contact that are connected with output lead, described static contact is to be the sheet metal of italic shape bending and to have screw corresponding to the bending end of terminal screw, and described terminal screw is screwed in screw and is connected with static contact.
Above-mentioned reset button assembly comprises reset button, baffle plate and back-moving spring, described reset button is formed with the button cap that is connected the button spindle end by being punctured into the outer button spindle of shell, button cap is arranged on outer surface of outer cover, described baffle-plate-sleeve is connected on the button spindle, described back-moving spring is enclosed within on the button spindle between baffle plate and the button cap, and described button spindle interlude has been provided with the barb that drives the moving contact component effect.
Above-mentioned moving contact component comprises movable contact spring, moving contact, moving contact component rotation axis and spring, described movable contact spring is hooked on the described barb, moving contact is connected the movable contact spring side, described movable contact spring has location hole with respect to an end of barb, and the moving contact component rotation axis passes the axle center hole of location hole and spring with movable contact spring and spring location.Utilize the positioning action of moving contact component rotation axis, movable contact spring will be that fulcrum freely rotates with the moving contact component rotation axis, and described spring provides rotating torque for movable contact spring.
Above-mentioned static contact upper end corresponding to the moving contact place be provided with by with the engaging or the fixed contact of separation control circuit conducting or disconnection of moving contact, the turning circuit that engages of fixed contact and moving contact, the open circuit that separates of fixed contact and moving contact.
Above-mentioned short circuit control assembly comprise the coil rack that is fixed on the enclosure installation position and wound coil skeleton short-circuited coil, intert moving iron core in the coil rack axis hole, be connected in the flexible conductor between short-circuited coil and the described movable contact spring and be socketed in coil spring on the moving iron core.
Particularly, described moving iron core comprises thin end and the butt end that stretches out coil rack axis hole two ends respectively, and moving iron core can be free to slide in the coil rack axis hole.Described coil spring is installed in the axis hole of coil rack by the thin end that is socketed in moving iron core.Described short-circuited coil one end connects flexible conductor, and the other end is connected with the overcurrent control assembly by the overcurrent pilot.
Above-mentioned short-circuited coil should adopt welding manner to be connected with flexible conductor, overcurrent pilot with the overcurrent control assembly.
Above-mentioned overcurrent control assembly comprises bimetal leaf, the overcurrent pilot, rotation axis, moment spring and V-type drive link, described bimetal leaf one end is connected with described short-circuited coil by the overcurrent pilot, the other end is connected with the bending end of described conducting strip, the center of described V-type drive link is provided with decides the hole, rotation axis passes decides the hole, the axle center hole of moment spring, the V-type drive link is positioned on the installation position of enclosure, and the moment spring engaged with the V-type drive link, the V-type drive link is that fulcrum is free to rotate with the rotation axis, and the moment spring provides rotating torque for the V-type drive link.
Further, the utility model also is provided with and is used to be absorbed in that circuit is connected or the extinguisher of the electric arc that disjunction moment produces.
Operation principle of the present utility model is as follows:
One, energized: press reset button, make the barb on the reset button hook movable contact spring, under the effect of back-moving spring, movable contact spring drives moving contact and moves toward the fixed contact direction, makes the contact of dynamic and static contact, and keeps certain pressure, i.e. energized.
Two, deenergization
When current overload, bimetal leaf bends, thermal stress drives reset button through the V-type drive link, make the button spindle perk of reset button, thereby barb and movable contact spring are broken off relations, movable contact spring after the unhook drives moving contact and moves to the direction away from fixed contact rapidly under the effect of back-moving spring, makes dynamic and static contact separately, deenergization.
When short circuit, short circuit current flows through short-circuited coil, produce bigger magnetic field, magnetic field produces the moving iron core of magnetic drive and moves to the button spindle direction of reset button rapidly, and moving iron core promotes the button spindle of reset button, makes its terminal perk, and itself and movable contact spring are broken off relations, movable contact spring after the unhook drives moving contact and moves to the direction away from fixed contact rapidly under the effect of back-moving spring, makes dynamic and static contact separately, deenergization.
Compared with prior art, the utlity model has following advantage:
The utility model is by being provided with overcurrent control assembly and short circuit control assembly; possess overcurrent protection and short-circuit protection function; and the utility model adopts highly sensitive bimetal leaf and short-circuited coil; make overcurrent control assembly and short circuit control assembly have advantage simple in structure, highly sensitive, that breaking speed is fast, the life-span is long, stable and reliable for performance; can realize protecting one to one; more effective protection circuit terminal security more can ensure people's property safety.
Description of drawings
Fig. 1 is each component groups assembling structure schematic diagram under the utility model energized state;
Fig. 2 is each component groups assembling structure schematic diagram under the utility model deenergization state.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the utility model is explained in further detail below in conjunction with accompanying drawing and embodiment.
As Fig. 1, shown in 2, a kind of line terminal load control unit, comprise shell, be installed in the input terminal assembly on the corresponding installation position of enclosure, output terminal assembly reaches input terminal assembly and output terminal assembly conducting is started to control the reset button assembly of making usefulness with disconnection, the input terminal assembly is connected with output lead with input lead respectively with output terminal assembly, and this line terminal load control unit also comprises the moving contact component that is in transmission connection with the reset button assembly, by lead be connected between input terminal assembly and the output terminal assembly and when the short circuit open circuit the short circuit control assembly and be arranged on the reset button assembly and the input terminal assembly between and the overcurrent control assembly of open circuit during at current overload.This line terminal load control unit also is provided with and is used to be absorbed in that circuit is connected or the extinguisher 15 of the electric arc that disjunction moment produces.
Wherein, the input terminal assembly specifically comprises input wires screw 1 and the conducting strip 2 that is connected with input lead, and in the present embodiment, conducting strip is the sheet metal of the stepped bending in right angle, conducting strip has screw corresponding to the bending end of terminal screw, and terminal screw is screwed in screw and is connected with conducting strip.Output terminal assembly specifically comprises output connection screw 17 and the static contact 16 that is connected with output lead, in the present embodiment, static contact is the sheet metal that is the bending of italic shape, and static contact has screw corresponding to the bending end of terminal screw, and terminal screw is screwed in screw and is connected with static contact.
Above-mentioned reset button assembly comprises reset button 13, baffle plate 11 and back-moving spring 12, described reset button is formed with the button cap that is connected the button spindle end by being punctured into the outer button spindle of shell, button cap is arranged on outer surface of outer cover, baffle-plate-sleeve is connected on the button spindle, back-moving spring 12 is enclosed within on the button spindle between baffle plate 11 and the button cap, and the button spindle interlude has been provided with the barb that drives the moving contact component effect.
Moving contact component comprises movable contact spring 9, moving contact 10, moving contact component rotation axis 19 and spring 18, movable contact spring is hooked on the barb, moving contact is connected the movable contact spring side, movable contact spring has location hole with respect to an end of barb, and the moving contact component rotation axis passes the axle center hole of location hole and spring with movable contact spring and spring location.Utilize the positioning action of moving contact component rotation axis, movable contact spring will be that fulcrum freely rotates with the moving contact component rotation axis, and described spring provides rotating torque for movable contact spring.Static contact 16 upper ends corresponding to the moving contact place be provided with by with the engaging or the fixed contact 14 of separation control circuit conducting or disconnection of moving contact 10, the turning circuit that engages of fixed contact and moving contact, the open circuit that separates of fixed contact and moving contact.
The short circuit control assembly comprise the coil rack 22 that is fixed on the enclosure installation position and wound coil skeleton short-circuited coil 23, intert moving iron core 21 in the coil rack axis hole, be connected in the flexible conductor 20 between short-circuited coil and the described movable contact spring and be socketed in coil spring 8 on the moving iron core.Wherein, moving iron core comprises thin end and the butt end that stretches out coil rack axis hole two ends respectively, and moving iron core can be free to slide in the coil rack axis hole.Coil spring is installed in the axis hole of coil rack by the thin end that is socketed in moving iron core, and short-circuited coil one end connects flexible conductor, and the other end is connected with the overcurrent control assembly by the overcurrent pilot.
In the present embodiment, short-circuited coil adopts welding manner to be connected with flexible conductor, overcurrent pilot with the overcurrent control assembly, during actual production, can also adopt alternate manner to connect.
The overcurrent control assembly comprises bimetal leaf 3, overcurrent pilot 4, rotation axis 5, moment spring 6 and V-type drive link 7, bimetal leaf one end is connected with described short-circuited coil by the overcurrent pilot, the other end is connected with the bending end of conducting strip, the center of V-type drive link is provided with decides the hole, rotation axis passes the axle center hole of deciding hole, moment spring, the V-type drive link is positioned on the installation position of enclosure, and the moment spring engaged with the V-type drive link, the V-type drive link is that fulcrum is free to rotate with the rotation axis, and the moment spring provides rotating torque for the V-type drive link.
During practical application, operation principle of the present utility model is as follows:
One, energized: press reset button, make the barb on the reset button hook movable contact spring, under the effect of back-moving spring, movable contact spring drives moving contact and moves toward the fixed contact direction, makes the contact of dynamic and static contact, and keeps certain pressure, i.e. energized.
Two, deenergization
When current overload, bimetal leaf bends, thermal stress drives reset button through the V-type drive link, make the button spindle perk of reset button, thereby barb and movable contact spring are broken off relations, movable contact spring after the unhook drives moving contact and moves to the direction away from fixed contact rapidly under the effect of back-moving spring, makes dynamic and static contact separately, deenergization.
When short circuit, short circuit current flows through short-circuited coil, produce bigger magnetic field, magnetic field produces the moving iron core of magnetic drive and moves to the button spindle direction of reset button rapidly, and moving iron core promotes the button spindle of reset button, makes its terminal perk, and itself and movable contact spring are broken off relations, movable contact spring after the unhook drives moving contact and moves to the direction away from fixed contact rapidly under the effect of back-moving spring, makes dynamic and static contact separately, deenergization.
The foregoing description is a preferred implementation of the present utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the utility model design, any conspicuous replacement also should fall within the protection range of the present utility model.
Claims (10)
1. line terminal load control unit, comprise shell, be installed in the input terminal assembly on the corresponding installation position of enclosure, output terminal assembly reaches input terminal assembly and output terminal assembly conducting is started to control the reset button assembly of making usefulness with disconnection, the input terminal assembly is connected with output lead with input lead respectively with output terminal assembly, and it is characterized in that: it also comprises the moving contact component that is in transmission connection with the reset button assembly, by lead be connected between input terminal assembly and the output terminal assembly and when the short circuit open circuit the short circuit control assembly and be arranged on the reset button assembly and the input terminal assembly between and the overcurrent control assembly of open circuit during at current overload.
2. line terminal according to claim 1 load control unit is characterized in that: described short circuit control assembly comprise the coil rack (22) that is fixed on the enclosure installation position and wound coil skeleton short-circuited coil (23), intert moving iron core (21) in the coil rack axis hole, be connected in the flexible conductor (20) between short-circuited coil and the described movable contact spring and be socketed in coil spring (8) on the moving iron core.
3. line terminal according to claim 2 load control unit, it is characterized in that: described moving iron core comprises thin end and the butt end that stretches out coil rack axis hole two ends respectively, described coil spring is installed in the axis hole of coil rack by the thin end that is socketed in moving iron core, described short-circuited coil one end connects flexible conductor, and the other end is connected with the overcurrent control assembly by the overcurrent pilot.
4. according to claim 2 or 3 described line terminal load control units, it is characterized in that: described overcurrent control assembly comprises bimetal leaf (3), overcurrent pilot (4), rotation axis (5), moment spring (6) and V-type drive link (7), described bimetal leaf one end is connected with described short-circuited coil by the overcurrent pilot, the other end is connected with the bending end of described conducting strip, the center of described V-type drive link is provided with decides the hole, rotation axis passes decides the hole, the axle center hole of moment spring, the V-type drive link is positioned on the installation position of enclosure, and the moment spring is engaged with the V-type drive link, the V-type drive link is that fulcrum is free to rotate with the rotation axis, and the moment spring provides rotating torque for the V-type drive link.
5. line terminal according to claim 4 load control unit, it is characterized in that: described moving contact component comprises movable contact spring (9), moving contact (10), moving contact component rotation axis (19) and spring (18), described movable contact spring is hooked on the described barb, moving contact is connected the movable contact spring side, described movable contact spring has location hole with respect to an end of barb, and the moving contact component rotation axis passes the axle center hole of location hole and spring with movable contact spring and spring location.
6. line terminal according to claim 5 load control unit, it is characterized in that: described input terminal assembly specifically comprises and is used for the input wires screw (1) and the conducting strip (2) that are connected with input lead, described conducting strip is the sheet metal of the stepped bending in right angle and has screw corresponding to the bending end of terminal screw that described terminal screw is screwed in screw and is connected with conducting strip.
7. line terminal according to claim 6 load control unit, it is characterized in that: described output terminal assembly specifically comprises and is used for the output connection screw (17) and the static contact (16) that are connected with output lead, described static contact is to be the sheet metal of italic shape bending and to have screw corresponding to the bending end of terminal screw, described terminal screw is screwed in screw and is connected with static contact, described static contact (16) upper end corresponding to the moving contact place be provided with by with the engaging or the fixed contact (14) of separation control circuit conducting or disconnection of moving contact (10).
8. line terminal according to claim 7 load control unit, it is characterized in that: described reset button assembly comprises reset button (13), baffle plate (11) and back-moving spring (12), described reset button is formed with the button cap that is connected the button spindle end by being punctured into the outer button spindle of shell, button cap is arranged on outer surface of outer cover, described baffle-plate-sleeve is connected on the button spindle, described back-moving spring is enclosed within on the button spindle between baffle plate and the button cap, and described button spindle interlude has been provided with the barb that drives the moving contact component effect.
9. line terminal according to claim 8 load control unit is characterized in that: this line terminal load control unit also is provided with and is used to be absorbed in that circuit is connected or the extinguisher (15) of the electric arc that disjunction moment produces.
10. line terminal according to claim 9 load control unit is characterized in that: described short-circuited coil adopts welding manner to be connected with flexible conductor, overcurrent pilot with the overcurrent control assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201929712U CN202067740U (en) | 2011-06-10 | 2011-06-10 | Line terminal load controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201929712U CN202067740U (en) | 2011-06-10 | 2011-06-10 | Line terminal load controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067740U true CN202067740U (en) | 2011-12-07 |
Family
ID=45061597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201929712U Expired - Fee Related CN202067740U (en) | 2011-06-10 | 2011-06-10 | Line terminal load controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067740U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248636A (en) * | 2017-07-12 | 2017-10-13 | 温州均源科技有限公司 | Portable conversion socket |
| CN108448468A (en) * | 2018-03-07 | 2018-08-24 | 鲁利 | A kind of mobile diesel oil van-type power station with short-circuit automatic protection effect |
| CN113022482A (en) * | 2021-03-23 | 2021-06-25 | 济南弗莱德科学仪器有限公司 | Oil product quick-detection vehicle-mounted voltage-stabilizing power supply system |
-
2011
- 2011-06-10 CN CN2011201929712U patent/CN202067740U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248636A (en) * | 2017-07-12 | 2017-10-13 | 温州均源科技有限公司 | Portable conversion socket |
| CN107248636B (en) * | 2017-07-12 | 2024-04-16 | 温州均源科技有限公司 | Portable conversion socket |
| CN108448468A (en) * | 2018-03-07 | 2018-08-24 | 鲁利 | A kind of mobile diesel oil van-type power station with short-circuit automatic protection effect |
| CN113022482A (en) * | 2021-03-23 | 2021-06-25 | 济南弗莱德科学仪器有限公司 | Oil product quick-detection vehicle-mounted voltage-stabilizing power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUIZHOU DEDO TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUIZHOU DIANDAO TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 516006 Guangdong province Huizhou City Zhongkai high tech Zone Technology Innovation Center building B 301 Patentee after: HUIZHOU DEDO SCIENCE & TECHNOLOGY CO., LTD. Address before: 516006 Guangdong province Huizhou City Zhongkai high tech Zone Technology Innovation Center building B 301 Patentee before: Huizhou Diandao Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20190610 |