CN221226052U - Quick breaking system of isolating switch - Google Patents

Abstract

The utility model discloses a quick breaking system of an isolating switch, which comprises the following components: a housing provided with a receiving chamber; the output part is positioned in the accommodating cavity and is linked with the movable contact disc; the operating mechanism is used for driving the output part to rotate so as to realize the opening/closing movement of the movable contact disc; the energy storage mechanism is positioned between the output part and the accommodating cavity, and when the movable contact disc is in a closing state, the energy storage mechanism stores energy; when the movable contact disc performs opening movement, the energy storage mechanism accelerates the rotation of the output part so as to accelerate the opening movement speed of the movable contact disc. When in a closing state, the energy storage mechanism stores energy, and meanwhile, the energy storage mechanism also has a buffering effect; when the movable contact disc performs opening movement, the energy storage mechanism accelerates the rotation of the output part so as to accelerate the opening movement speed of the movable contact disc, thereby forming an accelerating breaking effect and improving the overall breaking capacity.

Description

Quick breaking system of isolating switch

Technical Field

The utility model relates to the technical field of switch electricity, in particular to a quick breaking system of an isolating switch.

Background

In the traditional switching industry, the breaking speed of the switch is an important concern. With the continued development of power systems and devices, there is an increasing demand for quick opening and closing. The ability to open quickly, particularly in high voltage and high current environments, is critical to ensure proper operation of the device and to protect the safety of the system.

For example, chinese patent publication No. CN205609411U, entitled "a fast on-off mechanism for rotary switch", which discloses "in the locked state of the driving structure, the elastic member compresses and stores energy under the forward rotation or reverse rotation of the transmission structure; and in the unlocking state of the driving structure, the elastic component releases the energy storage to rotate around the rotation center of the driving structure to drive the driving structure to rotate forward or reversely. ".

For another example, chinese patent publication No. CN215933453U, entitled "an operation mechanism for a rotary switch", discloses "an operation mechanism for a rotary switch, which includes a housing, an operation shaft rotatably provided on the housing, an operation swivel, an energy storage element provided between the operation shaft and the operation swivel for driving the operation swivel to rotate, a stopper for locking the operation swivel, wherein when the operation swivel is locked, the operation swivel is kept inactive, the operation swivel is driven to store energy in the energy storage element, and when the stopper releases the locking of the operation swivel, the operation swivel rotates under the action of the energy storage element (4). ".

For another example, chinese patent publication No. CN218160117U, entitled "a rotary switch operating mechanism", discloses "a rotary switch operating mechanism comprising: a fixed housing; the energy storage assembly is arranged in the inner containing cavity of the fixed shell and comprises a rotary table for outputting opening and closing driving force, an energy storage spring and two lock catches, the rotary table can be rotatably switched between a first working position and a second working position, the two lock catches can intermittently construct the rotary switching limit of the rotary table, and the energy storage spring can drive the rotary table to carry out corresponding rotary switching through releasing elastic deformation. ".

The essence of the three patents is that the locking structure locks the driving structure (operates the swivel mount or the turntable), the energy storage structure (the elastic component or the energy storage element or the energy storage spring) can compress and store energy in the handle rotating process, when the handle rotates to a proper position, the locking structure releases the locking of the driving structure, at the moment, the energy storage structure can rapidly release energy, the driving structure is driven to rapidly rotate, and the opening or closing of the moving contact of the lower switch unit is realized.

However, the speed of the opening and closing process is consistent, but in the actual opening and closing process, the opening is required to be rapid when the opening is required. Obviously, the breaking process of the traditional switch is slower, so that the defect of breaking capacity is caused, and the normal operation of equipment and the stability of a system are affected. Therefore, the search for solutions to increase the switching speed of a switch has become an urgent need in the industry.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to solve the problems that the operation speed of the traditional switch is possibly influenced by structural design and mechanical limitation, the breaking process is slow, the breaking capacity is insufficient, and the normal operation of equipment and the stability of a system are influenced. For this purpose, the utility model provides a quick breaking system of an isolating switch, comprising:

a housing provided with a receiving chamber;

the output part is positioned in the accommodating cavity and is linked with the movable contact disc;

the operating mechanism is used for driving the output part to rotate so as to realize the opening/closing movement of the movable contact disc;

The energy storage mechanism is positioned between the output part and the accommodating cavity, and when the movable contact disc is in a closing state, the energy storage mechanism stores energy; when the movable contact disc performs opening movement, the energy storage mechanism accelerates the rotation of the output part so as to accelerate the opening movement speed of the movable contact disc.

A fixed groove is formed in the accommodating cavity, and the energy storage mechanism is positioned in the fixed groove; one end of the energy storage mechanism is propped against the fixed groove, and the other end of the energy storage mechanism is positioned on the motion track of the output part.

The two energy storage mechanisms are symmetrically arranged.

The energy storage mechanism is a pressure spring.

The operating mechanism further comprises a driving disc and a first energy storage component, wherein the driving disc is in linkage with the handle, the output part is provided with a cavity, a fixed block is arranged in the cavity, an energy storage protrusion is arranged on the driving disc, the first energy storage component is located in the cavity and comprises a first end and a second end, the energy storage protrusion is abutted to the first end, and the second end is abutted to the fixed block.

The output part bottom surface is provided with a first limiting protrusion, the accommodating cavity bottom surface is provided with a limiting groove, and the first limiting protrusion is positioned in the limiting groove to rotate.

The accommodating cavity is internally provided with a second limiting protrusion, the driving disc is provided with a first protruding block, and the second limiting protrusion is positioned on the movement track of the first protruding block.

The operating mechanism further comprises a positioning piece and a resetting piece, the output part is provided with a fixed cavity, two gear grooves are formed in the accommodating cavity, one end of the resetting piece abuts against the bottom surface of the fixed cavity, the other end of the resetting piece abuts against the positioning piece, one end of the positioning piece stretches into the fixed cavity, and the two gear grooves are located on the movement track of the other end of the positioning piece.

The reset piece is a compression spring or a spring piece or a continuous bending elastic structure integrally formed with the positioning piece.

The driving disc is provided with an unlocking protrusion, the positioning piece is provided with a locking part and an unlocking part, the unlocking part is positioned on the motion track of the unlocking protrusion, and the locking part stretches into the gear groove.

The technical scheme of the utility model has the following advantages:

1. according to the quick breaking system of the isolating switch, when the isolating switch is in a closing state, the energy storage mechanism stores energy, and meanwhile, the energy storage mechanism also has a buffering effect; when the movable contact disc performs opening movement, the energy storage mechanism accelerates the rotation of the output part so as to accelerate the opening movement speed of the movable contact disc, thereby forming an accelerating breaking effect and improving the overall breaking capacity.

2. According to the quick breaking system of the isolating switch, a certain positioning and fixing effect is formed through the cooperation of the fixing groove and the energy storage mechanism, and then the effect of storing energy of the energy storage mechanism and driving the output part to move after the energy storage mechanism releases energy is achieved through rotation of the output part.

3. According to the quick breaking system of the isolating switch, the two energy storage mechanisms are symmetrically arranged, so that the energy storage effect is further improved, and the breaking capacity is improved.

4. The quick breaking system of the isolating switch provided by the utility model has the advantages that the pressure spring is arranged, so that the installation is more convenient.

5. According to the quick breaking system of the isolating switch, the first energy storage component is arranged in the structure, when the driving disc rotates, one end, matched with the energy storage protrusion, of the first energy storage component is deformed, and when the locking state is released, the first energy storage component releases energy to drive the fixed block to rotate, so that the rotating effect of the output part is achieved.

6. According to the quick breaking system of the isolating switch, provided by the utility model, the first limiting protrusion is arranged, so that the effect of limiting rotation is formed, and excessive rotation is prevented.

7. According to the quick breaking system of the isolating switch, provided by the utility model, the second limiting protrusion is arranged, so that the limiting effect is realized, and the driving disc is prevented from rotating excessively.

8. According to the quick breaking system of the isolating switch, provided by the utility model, the positioning piece is matched with the gear groove, so that the effect of gear fixing is achieved, and the gears are respectively in a breaking state and a closing state.

9. According to the quick disconnecting system of the disconnecting switch, provided by the utility model, the unlocking protrusion is matched with the unlocking part, so that the unlocking effect is better realized, and the unlocking protrusion drives the unlocking part to move towards the inside of the fixed cavity.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a quick disconnecting system of a disconnecting switch provided by the utility model;

Fig. 2 is a cross-sectional view of a quick breaking system of a disconnecting switch provided by the utility model;

fig. 3 is a schematic diagram of a partial structure of a quick breaking system of a disconnecting switch provided by the utility model;

Fig. 4 is a schematic diagram of a partial structure of a quick breaking system of a disconnecting switch provided by the utility model;

FIG. 5 is a schematic view of a partial structure of an upper cover according to the present utility model;

fig. 6 is a schematic diagram of a partial structure of a quick breaking system of a disconnecting switch provided by the utility model;

fig. 7 is a partial explosion diagram of a quick breaking system of a disconnecting switch.

Reference numerals illustrate:

11. a housing; 12. a handle; 13. a drive plate; 14. a movable contact plate; 15. an output unit; 16. an energy storage mechanism; 17. a first energy storage assembly; 18. a positioning piece; 19. a reset member; 20. an upper cover; 21. a base; 22. a module; 111. a receiving chamber; 112. a fixing groove; 113. a limit groove; 114. a gear groove; 115. the second limiting bulge; 131. an energy storage protrusion; 132. unlocking the bulge; 133. a first bump; 151. a first driving protrusion; 152. a chamber; 153. a fixed block; 154. the first limiting protrusion; 155. a fixed cavity; 181. a locking part; 182. an unlocking part;

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The present embodiment provides a quick breaking system of an isolating switch, as shown in fig. 1-7, including:

A housing 11 provided with a receiving chamber 111; the accommodation chamber 111 is used to fix the output portion 15, the operating mechanism, and the like.

The output part 15 is positioned in the accommodating cavity 111. The output unit 15 is linked with the movable contact 14 to provide opening and closing effects of the switch. The output part 15 and the movable contact disk 14 are linked up and down, a driving column which is downwards arranged in the direction of the output part 15 can be arranged on the movable contact disk 14, a driving hole matched with the driving column is formed in the movable contact disk 14, a driving hole is formed in the output part 15, and a driving column which extends upwards is arranged on the movable contact disk 14, so that the linkage effect between the two is realized. The movable contact 14 specifically drives the movable contact to move, so as to achieve the matching effect between the movable contact and the fixed contact, which is the prior art, and therefore, the description of the embodiment is omitted.

The operating mechanism is used for driving the output part 15 to rotate so as to realize the opening/closing movement of the movable contact disc 14. The operating mechanism can be a relatively independent structure or a combination of a locking structure and a driving mechanism in the prior art. The operation mechanism is in the prior art, so in this embodiment, description will not be given.

The energy storage mechanism 16 is positioned between the output part 15 and the accommodating cavity 111, and when the movable contact 14 is in a closing state, the energy storage mechanism 16 stores energy; when the movable contact 14 performs the opening movement, the energy storage mechanism 16 accelerates the rotation of the output part 15 so as to accelerate the opening movement speed of the movable contact 14.

In the closing state, the energy storage mechanism 16 stores energy, and the energy storage mechanism 16 also has a buffering effect; when the movable contact 14 performs the opening movement, the energy storage mechanism 16 accelerates the rotation of the output part 15 so as to accelerate the opening movement speed of the movable contact 14, thereby forming an accelerating breaking effect and improving the overall breaking capacity.

Specifically, as shown in fig. 6 to 7, the accommodating cavity 111 is provided therein with two fixing grooves 112, and the two fixing grooves 112 are symmetrically arranged, which is specifically an arc-shaped groove. The number of the energy storage mechanisms 16 is also two, the two energy storage mechanisms are respectively arranged in the two fixed grooves 112, one end of each energy storage mechanism 16 is propped against the side wall of each fixed groove 112, and the other end of each energy storage mechanism 16 is positioned on the motion track of the output part 15. Through the rotation of the output part 15, the two energy storage mechanisms 16 are simultaneously extruded, so that the deformation energy storage effect is realized. The energy storage mechanism 16 may be a torsion spring or a tension or compression spring or the like. In this embodiment, the energy storage mechanism 16 is a compression spring. Through the cooperation of fixed slot 112 and energy storage mechanism 16, certain fixed effect of location has been formed, then through output 15 rotation, realizes the energy storage of energy storage mechanism 16 and the effect that drives output 15 motion after energy storage mechanism 16 releases energy. In addition, the energy storage mechanism 16 may be a torsion spring, where one end of the torsion spring is located in the accommodating cavity 111, and the other end of the torsion spring is connected with the output portion 15, and when the output portion 15 rotates, the torsion spring deforms, so that the energy storage effect can be achieved.

Specifically, as shown in fig. 6 to 7, the output portion 15 is provided with a first driving protrusion 151, and the other end of the energy storage mechanism 16 is located on the movement track of the first driving protrusion 151. The number of the first driving protrusions 151 is two, and the two first driving protrusions 151 respectively correspond to the two energy storage mechanisms 16, so that the effect of the combined action of the two energy storage mechanisms 16 is achieved. The first driving protrusion 151 specifically protrudes into the fixing groove 112. The arrangement of the first driving protrusion 151 better realizes the rotation effect of the output part 15 and better matches with the energy storage mechanism 16.

In particular, as shown in fig. 6-7, the operating mechanism includes a driving disk 13, where the driving disk 13 is linked with a handle 12, and the linkage structure of the driving disk 13 and the handle 12 is also in the prior art, so that it is not described in detail. The output part 15 is provided with a cavity 152, a fixed block 153 is arranged in the cavity 152, the driving disc 13 is provided with an energy storage bulge 131, the first energy storage component 17 is positioned in the cavity 152, the first energy storage component 17 comprises a first end and a second end, the energy storage bulge 131 is abutted against the first end, and the second end is abutted against the fixed block 153. In this embodiment, the first energy storage component 17 is a torsion spring, and drives the disk 13 to rotate, so as to implement deformation energy storage of the torsion spring, and when the torsion spring releases energy, the output part 15 is driven to move. The first energy storage component 17 adopts this kind of structure setting, when driving disk 13 rotates for first energy storage component 17 takes place deformation with energy storage protruding 131 cooperation one end, and when releasing the locking state, first energy storage component 17 releases the energy, drives fixed block 153 and rotates, thereby realizes the rotation effect of output 15. In addition, in this embodiment, the first energy storage component 17 may also be a tension spring, one end of the tension spring is connected with the output portion 15, the other end of the tension spring is connected with the driving disc 13, the driving disc 13 rotates to drive the tension spring to act, and when the output portion 15 is unlocked, the tension spring releases energy to drive the output portion 15 to rotate.

Specifically, as shown in fig. 4, a first limiting protrusion 154 is disposed on the bottom surface of the output portion 15, a limiting groove 113 is disposed on the bottom surface of the accommodating cavity 111, and the first limiting protrusion 154 is located in the limiting groove 113 to rotate. The first limiting protrusions 154 extend radially outwards, in this embodiment, the number of the first limiting protrusions 154 is two, the number of the limiting grooves 113 is also two, the two first limiting protrusions 154 are respectively correspondingly installed in the corresponding limiting grooves 113, and the first limiting protrusions 154 rotate in the limiting grooves 113. The first limiting protrusion 154 rotates to be in a corresponding opening and closing state with two side walls of the limiting groove 113. The arrangement of the first limiting protrusion 154 provides a limiting rotation effect, preventing excessive rotation.

Specifically, as shown in fig. 6 to 7, the operating mechanism includes a positioning member 18 and a reset member 19, and two gear grooves 114 are provided in the accommodating chamber 111, where the gear grooves 114 are located on the top surface of the accommodating chamber 111, i.e., on the upper cover, when the positioning member 18 moves vertically upward. When the positioning member 18 moves vertically downward, the gear step groove 114 is located on the bottom surface of the accommodating chamber 111, i.e., on the base. In the present embodiment, the positioning member 18 is described only as an example of the vertically upward movement. The output part 15 is provided with a fixed cavity 155, one end of a reset piece 19 is propped against the bottom surface of the fixed cavity 155, the other end of the reset piece 19 is propped against a positioning piece 18, one end of the positioning piece 18 stretches into the fixed cavity 155, and two gear grooves 114 are positioned on the movement track of the other end of the positioning piece 18. The positioning member 18 cooperates with the gear slot 114 to provide a gear fixing effect, where the gear is in an open state and a closed state, respectively. The locking structure can also be other structures, such as the locking structure disclosed in China patent application publication No. CN 109216083A.

In this embodiment, the locking structure specifically locks the output portion 15, and since the output portion 15 is directly linked with the movable contact pad 14, the locking effect of the movable contact pad 14 is also achieved by locking the output portion 15. In addition, the locking structure may also directly lock the movable contact pad 14.

Specifically, the restoring member 19 is a compression spring or a spring plate or a continuously bent elastic structure integrally formed with the positioning member 18.

Specifically, as shown in fig. 6-7, the driving disc 13 is provided with an unlocking protrusion 132, the positioning member 18 is provided with a locking portion 181 and an unlocking portion 182, the unlocking portion 182 is located on a movement track of the unlocking protrusion 132, in this embodiment, the unlocking portion 182 is a triangular protrusion, when the unlocking protrusion 132 rotates, the unlocking protrusion is attached to the lower end of the unlocking portion 182, and due to the action of an inclined plane, a pressing effect is formed, so that the positioning member 18 moves vertically downwards towards the bottom surface of the fixing cavity 155, thereby realizing unlocking effect, and when the unlocking protrusion 132 passes over the top end of the triangle, namely unlocking is completed. The unlocking portion 182 may be in other unlocking shapes. The top of the locking part 181 is higher than the unlocking part 182, the locking part 181 extends into the gear slots 114, and the two gear slots 114 are positioned on the movement track of the locking part 181. The cooperation of unblock protruding 132 and unblock portion 182, better realization unblock effect, unblock protruding 132 drive unblock portion 182 moves towards fixed chamber 155 in here.

Specifically, the accommodating cavity 111 is provided with a second limiting protrusion 115, the driving disc 13 is provided with a first protruding block 133, and the second limiting protrusion 115 is located on the movement track of the first protruding block 133. In this embodiment, the second limiting protrusion 115 is specifically located on the upper cover. The second limiting protrusion 115 achieves a limiting effect and prevents the driving disk 13 from rotating excessively.

Specifically, as shown in fig. 1-2, the housing 11 includes an upper cover 20, a base 21, and a number of modules 22. The accommodating cavity 111 is formed by matching the upper cover 20 with the base 21, and the fixing manner between the upper cover 20 and the base 21 can be bolt fixing, fastening fixing, ultrasonic welding. The module 22 is located below the base 21, and the module 22 is matched with the base 21, the movable contact pads 14 are located in the module 22, and one movable contact pad 14 is correspondingly arranged on one module 22.

Specifically, the operating mechanism further comprises a first energy storage component 17, and the first energy storage component 17 is matched with the driving disc 13 to drive the output part 15 to move. The driving disc 13 rotates, the driving disc 13 can give pressure to the first energy storage component 17, so that the first energy storage component 17 deforms to store energy, when the pressure applied to the first energy storage component 17 disappears, the first energy storage component 17 can release energy to drive the output part 15 to move, and therefore the effect that the driving disc 13 drives the output part 15 to move is achieved. The first energy storage assembly 17 may here be a torsion spring or tension spring or the like. There are other ways to move the output 15 by the first energy storage assembly 17.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A quick disconnect system for a disconnector, comprising:

a housing (11) provided with a housing chamber (111);

An output part (15) which is positioned in the accommodating cavity (111) and is linked with the movable contact disc (14);

The operating mechanism is used for driving the output part (15) to rotate so as to realize the opening/closing movement of the movable contact disc (14);

The energy storage mechanism (16), the energy storage mechanism (16) is located between the output part (15) and the accommodating cavity (111), and when the movable contact disc (14) is in a closing state, the energy storage mechanism (16) stores energy; when the movable contact disk (14) performs the opening motion, the energy storage mechanism (16) accelerates the rotation of the output part (15) so as to accelerate the opening motion speed of the movable contact disk (14).

2. A disconnector fast breaking system according to claim 1, characterized in that a fixed slot (112) is provided in the housing cavity (111), the energy storage mechanism (16) being located in the fixed slot (112); one end of the energy storage mechanism (16) is propped against the fixed groove (112), and the other end of the energy storage mechanism is positioned on the motion track of the output part (15).

3. A disconnector fast breaking system according to claim 1, characterized in that the number of energy storage means (16) is two, the two energy storage means (16) being symmetrically arranged.

4. A quick breaking system of disconnectors according to claim 1 or 2 or 3, characterized in that the energy storage means (16) is a compression spring.

5. A quick disconnecting switch system according to claim 1, characterized in that the operating mechanism further comprises a driving disc (13) and a first energy storage component (17) which are linked with the handle (12), the output part (15) is provided with a cavity (152), a fixed block (153) is arranged in the cavity (152), an energy storage bulge (131) is arranged on the driving disc (13), the first energy storage component (17) is arranged in the cavity (152), the first energy storage component (17) comprises a first end and a second end, the energy storage bulge (131) is propped against the first end, and the second end is propped against the fixed block (153).

6. A quick release system according to claim 5, characterized in that the bottom surface of the output part (15) is provided with a first limit protrusion (154), the bottom surface of the receiving cavity (111) is provided with a limit groove (113), and the first limit protrusion (154) is located in the limit groove (113) to rotate.

7. A quick release system according to claim 5 or 6, characterized in that a second limit projection (115) is provided in the housing (111), a first projection (133) is provided on the drive disc (13), and the second limit projection (115) is located on the movement track of the first projection (133).

8. A quick disconnecting switch system according to claim 7, characterized in that the operating mechanism further comprises a positioning member (18) and a resetting member (19), the output part (15) is provided with a fixed cavity, two gear grooves (114) are arranged in the accommodating cavity (111), one end of the resetting member (19) abuts against the bottom surface of the fixed cavity, the other end of the resetting member (19) abuts against the positioning member (18), one end of the positioning member (18) extends into the fixed cavity, and the two gear grooves (114) are positioned on the movement track of the other end of the positioning member (18).

9. A quick release system according to claim 8, characterized in that the return element (19) is a compression spring or a leaf spring or a continuous bent elastic structure integral with the positioning element (18).

10. A quick release system according to claim 8 or 9, characterized in that the drive disc (13) is provided with an unlocking protrusion (132), the positioning member (18) is provided with a locking portion (181) and an unlocking portion (182), the unlocking portion (182) is located on the movement track of the unlocking protrusion (132), and the locking portion (181) extends into the gear groove (114).