CN212625258U - Safe and reliable change-over switch - Google Patents
Safe and reliable change-over switch Download PDFInfo
- Publication number
- CN212625258U CN212625258U CN202021259544.7U CN202021259544U CN212625258U CN 212625258 U CN212625258 U CN 212625258U CN 202021259544 U CN202021259544 U CN 202021259544U CN 212625258 U CN212625258 U CN 212625258U
- Authority
- CN
- China
- Prior art keywords
- memory alloy
- shape memory
- circuit breaker
- gear
- stirring piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The utility model provides a safe and reliable's change over switch, stir piece, right side and stir piece, left stopper, right stopper, left cylinder shape memory alloy, right cylinder shape memory alloy including support, gear, pivot, a left side, the one end of pivot and the axle center fixed connection of gear, the other end pass the support and be connected with the rotate bracket, the gear stirs the piece and the right side is stirred respectively with a left side and is connected, a left side stopper stirs with a left side and is connected, the one end and the support fixed connection of left side cylinder shape memory alloy, the other end is just to left stopper, right side stopper stirs with the right side and is connected, the one end and the support fixed connection of right cylinder shape memory alloy, the other end is just to right stopper. The utility model discloses not only can restrict change over switch and carry out the combined floodgate operation of circuit breaker when the high temperature, can also carry out the separating brake operation to left circuit breaker or the right circuit breaker that have been in combined floodgate state, its overall structure is simple, safe and reliable.
Description
Technical Field
The utility model relates to a change over switch technical field particularly, relates to a safe and reliable's change over switch.
Background
The change-over switch is a switch electric appliance for switching over two or more than two power sources or loads. The change-over switch is widely applied to various occasions needing uninterrupted power supply, and realizes automatic change-over of a load circuit between two power supplies so as to ensure the reliability of power supply of a user.
The working temperature is monitored by the temperature sensor in the existing transfer switch, and when the working temperature is too high, the transfer switch is remotely controlled to be switched off, so that accidents such as fire disasters or electric shocks are avoided. However, the temperature sensor monitors and remotely controls the transfer switch to be switched off at high temperature, and the problem that the transfer switch cannot be timely and effectively controlled to be switched off due to communication faults or data transmission errors of the temperature sensor and the control system exists.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that the existing change-over switch is opened through temperature sensor monitoring and remote control change-over switch at high temperature, because of temperature sensor and control system communication trouble or data transmission mistake and lead to unable timely effective control change-over switch to carry out the action of opening, the utility model provides a safe and reliable change-over switch, its concrete technical scheme is as follows:
a safe and reliable change-over switch comprises a support, a gear, a rotating shaft, a left stirring piece and a right stirring piece, wherein one end of the rotating shaft is fixedly connected with the axis of the gear, the other end of the rotating shaft penetrates through the support and is rotatably connected with the support, the left stirring piece and the right stirring piece are symmetrically arranged on two sides of the gear, the gear is respectively meshed with the left stirring piece and the right stirring piece, one end of the left stirring piece is connected with a left circuit breaker, one end of the right stirring piece is connected with a right circuit breaker, the gear drives the left stirring piece and the right stirring piece to move up and down alternately to realize switching-closing switching of the left circuit breaker and the right circuit breaker, the change-over switch further comprises a left limiting block, a right limiting block, a left cylindrical shape memory alloy and a right cylindrical shape memory alloy, the left limiting block and the left stirring piece are fixedly connected with, one end of the left cylindrical shape memory alloy is fixedly connected with the bracket and is positioned at one side of the left poking piece away from the gear, the other end of the left cylindrical shape memory alloy is over against the left limiting block, when the left cylindrical shape memory alloy is heated and extends along the axial direction, the other end of the left cylindrical shape memory alloy is close to the left stop block to limit the left circuit breaker to perform closing action, the right limiting block is fixedly connected with the side face of the right shifting piece far away from the gear, one end of the right cylindrical memory alloy is fixedly connected with the bracket and is positioned on one side of the right shifting piece far away from the gear, the other end of the right cylindrical memory alloy is opposite to the right limiting block, when the right cylinder shape memory alloy is heated and extends along the axial direction, the other end of the right cylinder shape memory alloy is close to the right stop block so as to limit the right breaker to perform closing action.
Optionally, the change-over switch further comprises a pulley and a pull rope, the pulley is fixedly mounted on the support, one end of the pull rope is fixedly connected with the left shifting piece, the other end of the pull rope is fixedly connected with the right shifting piece after bypassing the pulley, and the pull rope and the pulley are used for preventing the left shifting piece and the right shifting piece from moving in the same direction, so that the left circuit breaker and the right circuit breaker can perform a switching-on action at the same time.
Optionally, change over switch still includes twist grip and snap ring, the one end and the support fixed connection of snap ring, the other end and the twist grip sliding connection of snap ring, twist grip can be close to or keep away from the support along the snap ring around the centre of a circle free rotation of snap ring, twist grip and the relative side center of support are equipped with the keyway, work as twist grip is close to along the snap ring during the support, the keyway can with the other end transmission of pivot is connected.
Optionally, an annular clamping groove is formed in the rotating handle, and the other end of the clamping ring is connected with the rotating handle in a sliding mode through the clamping groove.
Optionally, the change-over switch further comprises a coil spring, one end of the coil spring is fixedly connected with the support, and the other end of the coil spring is fixedly connected with the rotating handle.
Optionally, the coil spring is located inside the snap ring.
Optionally, the coil spring is located outside the snap ring.
Optionally, the tail end of the rotating handle is provided with a rubber sleeve.
The utility model discloses the beneficial technological effect who gains does: through setting up left stopper, right stopper, left side cylinder shape memory alloy, right cylinder shape memory alloy, not only can restrict change over switch and carry out the combined floodgate operation of circuit breaker when high temperature, can also be through promoting left side stirring piece or right stirring piece up motion, carry out the separating brake operation to left circuit breaker or right circuit breaker that have been in combined floodgate state, can overcome current change over switch and pass through the temperature sensor control and the problem that the remote control change over switch separated the floodgate when high temperature exists because of temperature sensor and control system communication trouble or data transmission mistake lead to unable effective control change over switch in time to carry out the separating brake action, its overall structure is simple, safety and reliability.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a schematic diagram of an overall structure of a safe and reliable transfer switch according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an overall structure of a safe and reliable transfer switch according to an embodiment of the present invention;
fig. 3 is a first schematic view of the structure relationship among the rotating handle, the snap ring, the bracket and the gear according to the present invention;
fig. 4 is a schematic diagram of the structural relationship among the rotating handle, the snap ring, the bracket and the gear according to the present invention.
Description of reference numerals:
1. a support; 2. a gear; 3. a rotating shaft; 4. a left toggle piece; 5. a right toggle piece; 6. a left stop block; 7. a right stopper; 8. a left cylindrical shape memory alloy; 9. right cylinder shape memory alloy; 10. a pulley; 11. pulling a rope; 12. rotating the handle; 13. a snap ring; 14. a chute; 15. a keyway; 16. a coil spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments.
The utility model relates to a safe and reliable's change over switch, according to the following embodiment is illustrated in the attached drawing:
as shown in fig. 1, a safe and reliable change-over switch includes a support 1, a gear 2, a rotating shaft 3, a left toggle member 4 and a right toggle member 5, one end of the rotating shaft 3 is fixedly connected with an axis of the gear 2, the other end of the rotating shaft 3 penetrates through the support 1 and is rotatably connected with the support 1, the other end of the rotating shaft 3 is located outside the support 1, the left toggle member 4 and the right toggle member 5 are symmetrically arranged at two sides of the gear 2, racks are respectively arranged at one side of the left toggle member 4 close to the gear 2 and one side of the right toggle member 5 close to the gear 2, the gear 2 is respectively engaged with the racks on the left toggle member 4 and the racks on the right toggle member 5, one end of the left toggle member 4 is connected with a left circuit breaker, and one end of the right toggle member 5 is connected with a right circuit breaker. As shown in fig. 1, the lower end of the left toggle piece 4 is connected to the leading end of the movable conducting rod of the arc extinguish chamber of the left circuit breaker, and the lower end of the right toggle piece 5 is connected to the leading end of the conducting rod of the arc extinguish chamber of the right circuit breaker. The gear 2 rotates clockwise, the left shifting part 4 moves upwards, the right shifting part 5 moves downwards, the left circuit breaker completes the opening action at the moment, and the right circuit breaker completes the closing action.
Of course, the leading-out ends of the conducting rods of the respective arc extinguishing chambers of the left circuit breaker and the right circuit breaker can also be connected with the upper ends of the left stirring piece 4 and the right stirring piece 5 respectively, or connected with the left stirring piece 4 and the right stirring piece 5 through other transmission assemblies. The connection between the left circuit breaker and the left toggle piece 4 and between the right circuit breaker and the right toggle piece 5 is not fixed. Generally speaking, through rotating the pivot 3, can drive gear 2 and rotate, and then drive the left side and dial 4 and dial 5 upper and lower alternate removal of moving to realize the divide-shut brake conversion of left circuit breaker and right circuit breaker.
As shown in fig. 1, the change-over switch further includes a left limiting block 6, a right limiting block 7, a left cylindrical shape memory alloy 8, and a right cylindrical shape memory alloy 9, the left limiting block 6 is fixedly connected to the side of the left toggle member 4 away from the gear 2, one end of the left cylindrical shape memory alloy 8 is fixedly connected to the bracket 1 and is located on the side of the left toggle member 4 away from the gear 2, the other end of the left cylindrical shape memory alloy 8 is opposite to the left limiting block 6, when the left cylindrical shape memory alloy 8 is heated and extends along the axial direction, the other end of the left cylindrical shape memory alloy 8 is close to the left limiting block to limit the left circuit breaker to perform a closing operation, the right limiting block 7 is fixedly connected to the side of the right toggle member 5 away from the gear 2, one end of the right cylindrical shape memory alloy 9 is fixedly connected to the bracket 1 and is located on the side of the right toggle member 5 away, the other end of the right cylindrical shape memory alloy 9 is over against the right limiting block 7, and when the right cylindrical shape memory alloy 9 is heated and extends along the axial direction, the other end of the right cylindrical shape memory alloy 9 is close to the right stop block to limit the right breaker to perform closing action.
The left and right cylindrical shape memory alloys 8 and 9 have a property of extending in the axial direction with an increase in temperature. A critical temperature, for example, 65 degrees, can be set, and when the operating temperature of the change-over switch is less than 65 degrees, the left shifting member 4 and the right shifting member 5 can be driven to move up and down alternately by rotating the gear 2, so as to complete the switching-on and switching-off switching of the left circuit breaker and the right circuit breaker. When the operating temperature of the change-over switch is greater than 65 degrees, the left cylindrical shape memory alloy 8 and the right cylindrical shape memory alloy 9 extend to a certain degree, and the left stirring piece 4 and the right stirring piece 5 are limited to move downwards to perform the closing action of the left circuit breaker and the right circuit breaker. In addition, when the operating temperature of the change-over switch is greater than 65 ℃, the left cylindrical shape memory alloy 8 and the right cylindrical shape memory alloy 9 extend to a certain degree, and the left shifting piece 4 or the right shifting piece 5 can be pushed to move upwards to perform opening operation on the left breaker or the right breaker which is in a closing state.
The installation position relation of the left limiting block 6, the right limiting block 7, the left cylindrical shape memory alloy 8 and the right cylindrical shape memory alloy 9, and the lengths of the left cylindrical shape memory alloy 8 and the right cylindrical shape memory alloy 9 in the normal working state can be set according to actual needs, and are not described in detail herein.
Through setting up left stopper 6, right stopper 7, left cylinder shape memory alloy 8, right cylinder shape memory alloy 9, not only can restrict change over switch and carry out the combined floodgate operation of circuit breaker when high temperature, can also be through promoting left side stirring 4 or the up motion of right stirring 5, carry out the separating brake operation to left circuit breaker or right circuit breaker that have been in combined floodgate state, can overcome current change over switch and pass through the temperature sensor control and the problem that the remote control change over switch exists because of temperature sensor leads to unable effective control change over switch in time to carry out the separating brake action with control system communication fault or data transmission mistake when high temperature, its overall structure is simple, safety and reliability.
In some embodiments, as shown in fig. 2, the change-over switch further includes a pulley 10 and a pull rope 11, the pulley 10 is fixedly installed on the bracket 1, one end of the pull rope 11 is fixedly connected to the left toggle member 4, the other end of the pull rope 11 is fixedly connected to the right toggle member 5 after passing around the pulley 10, and the pull rope 11 and the pulley 10 are used for preventing the left toggle member 4 and the right toggle member 5 from moving in the same direction, so that the left circuit breaker and the right circuit breaker perform a closing operation at the same time. When the left toggle piece 4 or the right toggle piece 5 moves downwards, due to the existence of the pull rope 11 and the pulley 10, the situation that the other toggle piece moves downwards simultaneously to cause the simultaneous closing of the left circuit breaker and the right circuit breaker can be prevented. The length of the pull rope 11 and the distance between the pulley 10 and the gear 2 can be set according to actual conditions, and are not described in detail herein.
In some embodiments, as shown in fig. 3, the change-over switch further includes a rotating handle 12 and a snap ring 13, one end of the snap ring 13 is fixedly connected to the bracket 1, a sliding groove 14 is formed in the rotating handle 12, the other end of the snap ring 13 is slidably connected to the rotating handle 12 through the sliding groove 14, the rotating handle 12 can freely rotate around the center of the snap ring 13 and is close to or far from the bracket 1 along the snap ring 13, a key groove 15 is formed in the center of the side surface of the rotating handle 12 opposite to the bracket 1, and a spline matching with the key groove 15 is formed at the other end of the rotating shaft 3. An annular clamping groove is formed in the rotating handle 12, and the other end of the clamping ring 13 is connected with the rotating handle 12 in a sliding mode through the clamping groove.
When the rotating handle 12 is close to the bracket 1 along the snap ring 13, the key slot 15 can be in transmission connection with the other end of the rotating shaft 3. Through setting up twist grip 12 and snap ring 13, can be very convenient utilize twist grip 12 drive gear 2 to rotate to realize the divide-shut brake action of left circuit breaker and right circuit breaker.
In some embodiments, as shown in fig. 4, the switch further comprises a coil spring 16, one end of the coil spring 16 is fixedly connected to the bracket 1, and the other end of the coil spring 16 is fixedly connected to the rotating handle 12. The coil spring 16 is located inside or outside the snap ring 13. Through setting up coil spring 16, pressing rotating handle 12 to support 1 and compression bolt spring, making the draw-in groove buckle at the other end of pivot 3, then through rotating handle 12 drive gear 2 rotate with the divide-shut brake action of accomplishing left circuit breaker and right circuit breaker after, the elasticity of coil spring 16 storage can reset rotating handle 12, can prevent that field work personnel from touching rotating handle 12 carelessly and leading to transfer switch the problem of maloperation to appear.
In some embodiments, a rubber sleeve is disposed at the end of the rotating handle 12 to enhance the friction of the rotating handle 12, so that the field operator can operate the rotating handle 12 conveniently.
To sum up, the utility model discloses a safe and reliable's change over switch, it gains beneficial technological effect to be: through setting up left stopper, right stopper, left side cylinder shape memory alloy, right cylinder shape memory alloy, not only can restrict change over switch and carry out the combined floodgate operation of circuit breaker when high temperature, can also be through promoting left side stirring piece or right stirring piece up motion, carry out the separating brake operation to left circuit breaker or right circuit breaker that have been in combined floodgate state, can overcome current change over switch and pass through the temperature sensor control and the problem that the remote control change over switch separated the floodgate when high temperature exists because of temperature sensor and control system communication trouble or data transmission mistake lead to unable effective control change over switch in time to carry out the separating brake action, its overall structure is simple, safety and reliability.
The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.
Claims (8)
1. A safe and reliable change-over switch comprises a support, a gear, a rotating shaft, a left stirring piece and a right stirring piece, wherein one end of the rotating shaft is fixedly connected with the axis of the gear, the other end of the rotating shaft penetrates through the support and is rotatably connected with the support, the left stirring piece and the right stirring piece are symmetrically arranged on two sides of the gear, the gear is respectively meshed with the left stirring piece and the right stirring piece, one end of the left stirring piece is connected with a left circuit breaker, one end of the right stirring piece is connected with a right circuit breaker, the gear drives the left stirring piece and the right stirring piece to move up and down alternately to realize the switching-closing switching of the left circuit breaker and the right circuit breaker, the change-over switch is characterized by further comprising a left limiting block, a right limiting block, a left cylindrical shape memory alloy and a right cylindrical shape memory alloy, the left limiting block and the side face of the left stirring piece, one end of the left cylindrical shape memory alloy is fixedly connected with the bracket and is positioned at one side of the left poking piece away from the gear, the other end of the left cylindrical shape memory alloy is over against the left limiting block, when the left cylindrical shape memory alloy is heated and extends along the axial direction, the other end of the left cylindrical shape memory alloy is close to the left stop block to limit the left circuit breaker to perform closing action, the right limiting block is fixedly connected with the side face of the right shifting piece far away from the gear, one end of the right cylindrical memory alloy is fixedly connected with the bracket and is positioned on one side of the right shifting piece far away from the gear, the other end of the right cylindrical memory alloy is opposite to the right limiting block, when the right cylinder shape memory alloy is heated and extends along the axial direction, the other end of the right cylinder shape memory alloy is close to the right stop block so as to limit the right breaker to perform closing action.
2. The transfer switch of claim 1, further comprising a pulley and a pull cord, wherein the pulley is fixedly mounted on the bracket, one end of the pull cord is fixedly connected to the left toggle member, the other end of the pull cord is fixedly connected to the right toggle member after passing around the pulley, and the pull cord and the pulley are used for preventing the left toggle member and the right toggle member from moving in the same direction, so that the left circuit breaker and the right circuit breaker perform a closing operation at the same time.
3. The switch of claim 2, further comprising a rotating handle and a snap ring, wherein one end of the snap ring is fixedly connected to the bracket, the other end of the snap ring is slidably connected to the rotating handle, the rotating handle can freely rotate around the center of the snap ring and is close to or far away from the bracket along the snap ring, a key groove is formed in the center of the side surface of the rotating handle opposite to the bracket, and when the rotating handle is close to the bracket along the snap ring, the key groove can be in transmission connection with the other end of the rotating shaft.
4. A safety and reliable transfer switch as claimed in claim 3, wherein said rotary handle has a ring-shaped slot therein, and the other end of said snap ring is slidably connected to said rotary handle through said slot.
5. A safe and reliable switch as claimed in claim 4, further comprising a coil spring, wherein one end of the coil spring is fixedly connected to the bracket, and the other end of the coil spring is fixedly connected to the rotating handle.
6. A safety and reliability switch according to claim 5 wherein said coil spring is located inside the collar.
7. A safety and reliability switch according to claim 5 wherein said coil spring is located outside the collar.
8. A safety and reliable transfer switch as in claim 7 wherein the end of said twist grip is provided with a rubber boot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021259544.7U CN212625258U (en) | 2020-06-30 | 2020-06-30 | Safe and reliable change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021259544.7U CN212625258U (en) | 2020-06-30 | 2020-06-30 | Safe and reliable change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212625258U true CN212625258U (en) | 2021-02-26 |
Family
ID=74757053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021259544.7U Active CN212625258U (en) | 2020-06-30 | 2020-06-30 | Safe and reliable change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212625258U (en) |
-
2020
- 2020-06-30 CN CN202021259544.7U patent/CN212625258U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105244234B (en) | A kind of divide-shut brake movement structure of miniature circuit breaker controller | |
| CN104916509A (en) | Circuit breaker | |
| CN212625258U (en) | Safe and reliable change-over switch | |
| CN203398051U (en) | Manual or electric closing device of residual-current circuit breaker | |
| CN203288552U (en) | Electrically-operated device | |
| CN205354980U (en) | Compatible contactor function and have manual control simultaneously and intelligent circuit breaker of remote control mode | |
| CN204720401U (en) | A kind of circuit breaker | |
| CN215220627U (en) | Locking system of switch operating mechanism | |
| CN213483686U (en) | Residual current circuit breaker with automatic reclosing function | |
| CN114220714A (en) | Dual-mode intelligent circuit breaker | |
| CN212407370U (en) | Clutch for coal mining machine | |
| CN213691816U (en) | Safe and reliable change-over switch | |
| CN112185731B (en) | Low-voltage electrical equipment change-over switch | |
| CN205028871U (en) | Miniature circuit breaker control structure and contain miniature circuit breaker controlling means of this structure | |
| CN203386620U (en) | Cam type electric closing device based on intelligent switch | |
| CN105489452A (en) | Micro circuit breaker with automatic switching-on function and automatic switching-off function, and operating method thereof | |
| CN115148558A (en) | Operating mechanism of switch | |
| CN205376445U (en) | Miniature circuit breaker with automatic combined floodgate and separating brake function | |
| CN204376780U (en) | The operating mechanism of the motor starter of the quick disjunction of energy | |
| CN201714911U (en) | Multi-functional mechanical transmission controlling machine | |
| CN204178954U (en) | The handle slide engaging and disengaging mechanism of high-power compact circuit breaker reclosing device | |
| CN101826751B (en) | Intelligent dual-power transfer switch driven by cylindrical single-phase linear asynchronous motor | |
| CN203644702U (en) | Dual-purpose breaker opening and closing apparatus for electric leakage breaker | |
| CN201773318U (en) | Split type remote control switch | |
| CN219262108U (en) | Driving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |