CN202564158U - Leakage protector and driving device thereof - Google Patents
Leakage protector and driving device thereof Download PDFInfo
- Publication number
- CN202564158U CN202564158U CN2012202061684U CN201220206168U CN202564158U CN 202564158 U CN202564158 U CN 202564158U CN 2012202061684 U CN2012202061684 U CN 2012202061684U CN 201220206168 U CN201220206168 U CN 201220206168U CN 202564158 U CN202564158 U CN 202564158U
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- drive unit
- driver blade
- base plate
- drive
- pulley
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Abstract
The utility model discloses a driving device which comprises a base plate, a driving motor, a driving piece and a positioning support plate. The positioning support plate and the driving motor are both arranged on the base plate. The driving piece is matched with the positioning support plate in sliding mode. The driving end of the driving motor is matched with one end of the driving piece to drive. The driving device is characterized by further comprising a supporting device used for supporting the driving piece, wherein one end of the supporting device is connected with the driving piece, and the other end of the supporting device is contacted with the base plate. The utility model further discloses a leakage protector including the driving device. According to the leakage protector and the driving device of the leakage protector, the supporting device is arranged on the driving piece, deformation degree of the driving piece in the long-term usage process is reduced, service life of the driving device with the driving piece is prolonged, and therefore service life of the leakage protector is prolonged.
Description
Technical field
The utility model relates to the electric circuit protection equipment technical field, particularly a kind of earth leakage protective device and drive unit thereof.
Background technology
The raising of Along with people's safety utilization of electric power consciousness, the application of earth leakage protective device more and more widely.Earth leakage protective device commonly used is made up of three parts: detecting element, middle amplifying element and drive unit.
Detecting element is made up of ZCT, detects leakage current, and sends signal; Middle amplifying element amplifies faint electric leakage signal, constitutes electromagnetic type protector phase electronic protector; After drive unit was received signal, main switch was transformed into open position by make position, thereby cut off the electricity supply, and was broken away from the tripping operation parts of electrical network by protective circuit.Wherein, drive unit is the actuator of earth leakage protective device, is an important component part of earth leakage protective device.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the schematic side view of the drive unit of a kind of earth leakage protective device of the prior art; Fig. 2 is the schematic top plan view of the drive unit of a kind of earth leakage protective device of the prior art; Fig. 3 looks sketch map for the master of the drive unit of a kind of earth leakage protective device of the prior art.
The drive unit of present earth leakage protective device comprises base plate 01, drive motors 02, driver blade 03 and positioning supports plate 04.
As shown in Figure 1; Positioning supports plate 04 is fixedly set on the base plate 01; Drive motors 02 is arranged between positioning supports plate 04 and the base plate 01, and the output of its drive motors 02 cooperates transmission with an end of driver blade 03, and the other end of driver blade 03 is connected with the switch knob of power circuit breaker.
Power circuit breaker is in the current circuit of the equipment of being connected in, and is used for the device of Control current break-make, with base plate 01 fixed-link in the drive unit of earth leakage protective device.
When detecting element detects electric leakage; Electric leakage signal is delivered to middle amplifying element amplifies, be delivered to drive unit again, drive motors 02 rotates after receiving drive signal; The driver blade 03 that drive is mated transmission moves along driving direction; Thereby the switch knob that drives the power circuit breaker that is connected with the other end of driver blade 03 moves, and the unlatching that realizes the control power circuit breaker reaches the purpose of control power circuit break-make with closed.
As shown in Figure 3; Because driver blade 03 and positioning supports plate 04 be removable to be connected and link that driver blade 03 is connected with the switch knob of power circuit breaker is maked somebody a mere figurehead setting; In the long-term use, driver blade 03 is prone to deform, and the equipment that influences normally uses; When serious even need to change the drive unit of earth leakage protective device, useful life is shorter.
Therefore, how alleviating the deformation extent of driver blade, improve device useful life, is those skilled in the art's problem demanding prompt solutions.
The utility model content
In view of this, the utility model provides a kind of earth leakage protective device and drive unit thereof, alleviating the deformation extent of driver blade, improves device useful life.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
The utility model provides a kind of drive unit; Comprise base plate, drive motors, driver blade and positioning supports plate, said positioning supports plate and said drive motors all are fixedly set on the said base plate; Said driver blade slidably cooperates with said positioning supports plate; The drive end of said drive motors cooperates transmission with an end of driver blade, and it focuses on, and also comprises the bracing or strutting arrangement that is used to support said driver blade; Said bracing or strutting arrangement one end is connected with said driver blade, and the other end contacts with said base plate.
Preferably, said bracing or strutting arrangement comprises an end support that is fixedly connected with said driver blade and the pulley that is arranged at the said support other end, and said pulley contacts with said base plate.
Preferably, said support has two legs, is provided with said pulley on the said leg.
Preferably, the leg orientation of said support is vertical with the moving direction of said driver blade.
Preferably, also comprise the guided way that is arranged on the said base plate, said guided way has the gathering sill of the said pulley of guiding.
Preferably, the notch of said gathering sill is towards the end face of said pulley.
Preferably, said support is connected through bolt with said driver blade.
Preferably, the drive end of said drive motors is provided with driven wheel, and said driver blade is provided with the tooth bar with said driven wheel engagement.
Preferably, the other end of said driver blade is provided with driving handle.
The utility model also provides a kind of earth leakage protective device; Comprise detecting element; Middle amplifying element and drive unit, said detecting element is connected with said middle amplifying element, and said middle amplifying element is connected with said drive unit; It focuses on, and said drive unit is as each described drive unit of above-mentioned scheme.
Can find out from above-mentioned technical scheme; Earth leakage protective device that the utility model provides and drive unit thereof; Bracing or strutting arrangement is set on driver blade; Alleviate the deformation extent of driver blade in long-term use, the drive unit that is provided with this driver blade is prolonged useful life, thereby prolong the useful life of this earth leakage protective device.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic side view of the drive unit of a kind of earth leakage protective device of the prior art;
Fig. 2 is the schematic top plan view of the drive unit of a kind of earth leakage protective device of the prior art;
Fig. 3 looks sketch map for the master of the drive unit of a kind of earth leakage protective device of the prior art;
The schematic side view of the drive unit of the earth leakage protective device that Fig. 4 provides for the utility model embodiment;
The schematic top plan view of the drive unit of the earth leakage protective device that Fig. 5 provides for the utility model embodiment;
The master of the drive unit of the earth leakage protective device that Fig. 6 provides for the utility model embodiment looks sketch map.
Embodiment
The utility model discloses a kind of earth leakage protective device and drive unit thereof, alleviating the deformation extent of driver blade, improve device useful life.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 4, Fig. 5 and Fig. 6, the schematic side view of the drive unit of the earth leakage protective device that Fig. 4 provides for the utility model embodiment; The schematic top plan view of the drive unit of the earth leakage protective device that Fig. 5 provides for the utility model embodiment; The master of the drive unit of the earth leakage protective device that Fig. 6 provides for the utility model embodiment looks sketch map.
The utility model embodiment provides a kind of drive unit, comprises base plate 1, drive motors 2, driver blade 3 and positioning supports plate 4; Positioning supports plate 4 is fixedly set on the base plate 1 with said drive motors 2; Drive motors 2 is arranged between positioning supports plate 4 and the base plate 1, and driver blade 3 slidably cooperates with positioning supports plate 4, and the drive end of drive motors 2 cooperates transmission with an end of driver blade 3; It focuses on; Also comprise the bracing or strutting arrangement that is used to support driver blade 3, bracing or strutting arrangement one end is connected with driver blade 3, and the other end contacts with base plate 1.
Earth leakage protective device that the utility model embodiment provides and drive unit thereof; On driver blade 3, bracing or strutting arrangement is set; Alleviate the deformation extent of driver blade 3 in long-term use, the drive unit that is provided with this driver blade 3 is prolonged useful life, thereby prolong the useful life of this earth leakage protective device.
As shown in Figure 3, bracing or strutting arrangement comprises an end support 5 that is fixedly connected with driver blade 3 and the pulley 6 that is arranged at support 5 other ends, and pulley 6 contacts with base plate 1.Through driver blade 3 motions, drive support 5 motions that are fixedly connected with it, connected pulley 6 is rolled on base plate 1, when providing support power, alleviate the frictional force of 1 of bracing or strutting arrangement and base plate for driver blade 3.
Also can replace pulley, play same supporting role, not do concrete introduction at this with ball.
In order to improve the supporting & stablizing performance of bracing or strutting arrangement, support 5 has two legs, is provided with pulley 6 on the leg.Be provided with pulley 6 on two legs.
As shown in Figure 6, plane, support 5 top is fixedly connected with driver blade 3, and the bottom is divided into two legs of symmetry, and the leg orientation of support 5 is vertical with the moving direction of driver blade 3.
Through pulley 6 all is set on the leg of both sides, make its moving direction vertical alignment along driver blade 3, balance driver blade 3 is supported further improves the stability of strutting system to driver blade.In the present embodiment,, all be arranged with two pulleys 6 on each leg in parallel, make support 5 be the four-wheel support in order further to improve device stability.In concrete the application, can increase or reduce the quantity of pulley 6 according to concrete needs.
In order to reduce the situation of rocking that produces in bracing or strutting arrangement and the driver blade 3 directed moving process, also can guided way 7 be set on base plate 1, guided way 7 has the gathering sill of leading block 6.Guided way 7 is parallel with the moving direction of driver blade 3, and the glide direction of pulley 6 is played certain limitation, alleviates driver blade 3 bracing or strutting arrangement in moving process and produces with respect to the non-glide direction of driver blade 3 and rock, thereby cause the wearing and tearing of device.
For rocking of further less pulley 6, the notch of the gathering sill of guided way 7 is towards the end face of pulley 6.Because pulley 6 is shapes of an approximate cylinder, the end face of pulley 6 refers to the face at the rolling contact-making surface two ends of approximate cylinder.
As shown in Figure 6, two guided ways 7 are oppositely arranged through the notch with gathering sill, and the pulley 6 on two legs of fixed support 5 reaches the effect that clamps bracing or strutting arrangement from both sides respectively, have alleviated the shaking degree of device.
In the drive unit that the utility model embodiment provides, support 5 and driver blade 3 are connected through bolt.Also can be through being welded to connect, concrete connected mode is not done qualification.
As shown in Figure 5, the drive end of drive motors 2 is provided with driven wheel, and driver blade 3 is provided with the tooth bar with the driven wheel engagement.When electric leakage takes place; Amplifying element amplified in the middle of detecting element passed to detected electric leakage signal, was delivered to drive motors 2 again, made it start operation; Thereby drive the driven wheel rotation of drive end; Tooth bar through meshing with driven wheel on the driver blade 3 changes into the linear movement of tooth bar with the spinning movement of driven wheel again, thereby drives driver blade 3 linear movements.Because driver blade 3 is connected with the switch knob of power circuit breaker, through its linear movement, the unlatching that realizes the control power circuit breaker reaches the purpose of control power circuit break-make with closed.
For driver blade 3 is connected with the switch knob of power circuit breaker better, be provided with tooth bar at an end of driver blade 3, the other end is provided with driving handle.Through being connected with the switch knob of power circuit breaker, make the linear movement of driver blade 3 can better pass to the switch knob of power circuit breaker with driving handles that driver blade 3 vertically is provided with.
The utility model also provides a kind of earth leakage protective device, comprises detecting element, middle amplifying element and drive unit; Detecting element is connected with middle amplifying element; Middle amplifying element is connected with drive unit, and it focuses on, and drive unit is above-mentioned any drive unit.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. drive unit; Comprise base plate (1), drive motors (2), driver blade (3) and positioning supports plate (4), said positioning supports plate (4) all is fixedly set on the said base plate (1) with said drive motors (2); Said driver blade (3) slidably cooperates with said positioning supports plate (4); The drive end of said drive motors (2) cooperates transmission with an end of driver blade (3), it is characterized in that, also comprises the bracing or strutting arrangement that is used to support said driver blade (3); Said bracing or strutting arrangement one end is connected with said driver blade (3), and the other end contacts with said base plate (1).
2. drive unit as claimed in claim 1; It is characterized in that; Said bracing or strutting arrangement comprises the support (5) that an end is fixedly connected with said driver blade (3) and is arranged at the pulley (6) of said support (5) other end that said pulley (6) contacts with said base plate (1).
3. drive unit as claimed in claim 2 is characterized in that, said support (5) has two legs, is provided with said pulley (6) on the said leg.
4. drive unit as claimed in claim 3 is characterized in that, the leg orientation of said support (5) is vertical with the moving direction of said driver blade (3).
5. drive unit as claimed in claim 2 is characterized in that, also comprises the guided way (7) that is arranged on the said base plate (1), and said guided way (7) has the gathering sill of the said pulley of guiding (6).
6. drive unit as claimed in claim 5 is characterized in that the notch of said gathering sill is towards the end face of said pulley (6).
7. drive unit as claimed in claim 2 is characterized in that, said support (5) is connected through bolt with said driver blade (3).
8. drive unit as claimed in claim 1 is characterized in that, the drive end of said drive motors (2) is provided with driven wheel, and said driver blade (3) is provided with the tooth bar with said driven wheel engagement.
9. drive unit as claimed in claim 1 is characterized in that, the other end of said driver blade (3) is provided with driving handle.
10. earth leakage protective device; Comprise detecting element; Middle amplifying element and drive unit, said detecting element is connected with said middle amplifying element, and said middle amplifying element is connected with said drive unit; It is characterized in that said drive unit is like each described drive unit of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202061684U CN202564158U (en) | 2012-05-09 | 2012-05-09 | Leakage protector and driving device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202061684U CN202564158U (en) | 2012-05-09 | 2012-05-09 | Leakage protector and driving device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202564158U true CN202564158U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202061684U Expired - Fee Related CN202564158U (en) | 2012-05-09 | 2012-05-09 | Leakage protector and driving device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN202564158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937682A (en) * | 2012-11-29 | 2013-02-20 | 东莞市拓诚实业有限公司 | Detection equipment and detection method for leakage protector |
-
2012
- 2012-05-09 CN CN2012202061684U patent/CN202564158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937682A (en) * | 2012-11-29 | 2013-02-20 | 东莞市拓诚实业有限公司 | Detection equipment and detection method for leakage protector |
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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 | ||
| CP03 | Change of name, title or address |
Address after: 325600 three road, Yueqing Economic Development Zone, Zhejiang, China Patentee after: Si Qi Science and Technology Ltd. Address before: 325000, 429, Daxing West Road, Liushi export-oriented economic development zone, Wenzhou, Zhejiang, Yueqing Patentee before: Zhejiang Siqi Electrical 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: 20121128 Termination date: 20180509 |