CN219800732U - Earthing knife centrally-mounted load switch combined electrical apparatus - Google Patents
Earthing knife centrally-mounted load switch combined electrical apparatus Download PDFInfo
- Publication number
- CN219800732U CN219800732U CN202223370834.0U CN202223370834U CN219800732U CN 219800732 U CN219800732 U CN 219800732U CN 202223370834 U CN202223370834 U CN 202223370834U CN 219800732 U CN219800732 U CN 219800732U
- Authority
- CN
- China
- Prior art keywords
- grounding
- switch
- load switch
- earthing
- frame
- 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
- 230000009471 action Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a grounding knife centrally-mounted load switch combined electrical appliance, which comprises a rack, wherein the rack is a shared support frame of a load switch and a grounding switch; the load switch comprises a switch body, an upper contact assembly and a lower contact assembly, wherein the lower contact assembly is electrically connected with the switch body, a conductive cylinder of the switch body can lift and shift and is electrically connected or disconnected with the upper contact assembly to form a closing or opening state of a main loop, and one end part of a conductive piece, which is close to the upper contact assembly, is exposed to form a grounding action part in the opening state; the grounding switch is arranged between the upper contact assembly and the conductive piece, and the grounding switch is electrically connected with the grounding action part of the conductive torch to form a grounding loop in the opening state. The grounding switch is arranged on the inner side of the load switch to form a centrally-mounted structure, so that the longitudinal length of the whole switch is shortened, and the utility model has the advantages of reasonable structure, safety, reliability and the like.
Description
Technical Field
The utility model discloses a grounding knife centrally-mounted load switch combined electrical appliance, which belongs to the technical field of electrical equipment and is divided according to an International Patent Classification (IPC).
Background
The load switch electrical apparatus is generally used with the electrical cabinet, and the existing load switch electrical apparatus with the grounding knife is matched with the knife holder, wherein the knife holder is fixedly arranged at the bottom end of the load switch, and the matched grounding knife is also arranged below the load switch, so that the overall longitudinal size of the load switch is larger, and the required longitudinal space of the electrical cabinet is larger. Some electrical cabinets have limited installation space, and the load switch electrical appliances with the above structure mode are not suitable for installation. Therefore, those skilled in the art are urgent to develop a matched switching device, so the present utility model has been proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the earthing knife-centrally-mounted load switch combined electrical apparatus, which has the advantages that the overall structure is more reasonable by changing the switch layout, the longitudinal dimension is reduced, and the earthing knife-centrally-mounted load switch combined electrical apparatus can adapt to more application environments.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a earthing knife-centrally-mounted load switch combination, comprising:
the rack is a shared support frame of the load switch and the grounding switch;
the load switch comprises a switch body, an upper contact assembly and a lower contact assembly, wherein the lower contact assembly is electrically connected with the switch body, a conductive piece of the switch body can be lifted and shifted and is electrically connected or disconnected with the upper contact assembly to form a closing or opening state of a main loop, and one end part of the conductive piece, which is close to the upper contact assembly, is exposed to form a grounding action part in the opening state;
the grounding switch is arranged between the upper contact assembly and the conductive piece, and the grounding switch is electrically connected with the grounding action part of the conductive piece to form a grounding loop when the load switch is in a switching-off state.
Further, the load switches are three groups of pneumatic load switches and form three groups of connecting wire poles, the corresponding grounding switches are three groups, each pneumatic load switch comprises a conductive tube, the conductive tube can vertically and directly move along the axis and is electrically connected with the corresponding upper contact, and the side wall of the top of the conductive tube forms a grounding action part.
Further, the earthing switch includes that earthing knife-holder, contact pressure spring and earthing transmission shaft, and earthing knife-holder runs through a cross axle near the head, and the outside that is located earthing knife-holder is equipped with the contact pressure spring on the cross axle in order to make earthing knife-holder sticis on earthing action portion, and earthing knife-holder passes through the ground connection turning arm to be fixed at earthing transmission shaft, and earthing transmission shaft passes through the fixing base to be installed in the frame, and earthing transmission shaft one end is connected with electrical apparatus operating device, earthing knife-holder pass through the flexible coupling and be connected with the ground connection copper bar electricity, the ground connection copper bar is fixed in the frame, load switch's electrically conductive piece, earthing knife-holder, flexible coupling, ground connection copper bar, reliable ground connection's frame form ground connection return circuit current path.
Further, the grounding transmission shaft is substantially flush with the grounding action portion of the flashlight when the pneumatic load switch is opened.
Further, the grounding transmission shaft is provided with a grounding switch limiting plate, the grounding switch limiting plate synchronously rotates along with the grounding transmission shaft, the shell wall of the frame is provided with a corresponding limiting groove, and the top end of the limiting groove is a grounding closing limiting end.
Further, the main loop of the grounding switch, which is far away from the load switch under the rotation of the grounding transmission shaft, forms a grounding switch opening state, a bulge is arranged on one side of the grounding crank arm, the top end surface of the bulge is a limiting surface, when the grounding switch is in the opening state, the limiting surface of the grounding crank arm is abutted against the side wall of the rack to form a limit, and a grounding tool holder of the grounding switch is close to the side wall of the rack and meets an electric gap with a conductive cylinder of the load switch.
Further, the upper contact assembly comprises a fixed contact and a matched upper support, the fixed contact is fixed on the frame through the upper support, the load switch is fixed on the frame through the middle support and the lower support, and a grounding switch rotating space is formed between the upper support and the middle support.
Further, a main transmission shaft is arranged on the frame and is used for controlling the load switch to switch on and off through a transmission mechanism, the transmission mechanism comprises a first crank arm, a linkage rod and a second crank arm which are connected in sequence, the second crank arm is fixed on the isolation transmission shaft, the main transmission shaft and the isolation transmission shaft are arranged on the frame, a grounding transmission shaft is arranged above the main transmission shaft of the frame, a grounding tool holder is sleeved on the grounding transmission shaft, and the grounding transmission shaft, the main transmission shaft and the isolation transmission shaft are arranged from top to bottom.
According to the utility model, the grounding switch and the load switch share one frame, and the grounding switch is fixed on the frame through the fixing seat and can rotate under the restraint of the fixing seat and the bearing, so that the opening and closing of the grounding knife are realized. The grounding switch is arranged on the inner side of the load switch to form a centrally-mounted structure, so that the longitudinal length of the whole switch is reduced, and the utility model has the advantages of reasonable structure, safety, reliability, wide installation range and the like.
Drawings
Fig. 1 is a schematic diagram illustrating a grounding switch according to an embodiment of the utility model.
Fig. 2 is a side view of a grounding switch according to an embodiment of the present utility model.
FIG. 3 is a schematic diagram illustrating the opening of a grounding switch according to an embodiment of the present utility model.
Fig. 4 is a front view of the ground switch according to an embodiment of the present utility model.
FIG. 5 is a schematic diagram of a load switch according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a load switch according to an embodiment of the present utility model.
FIG. 7 is another schematic diagram of the structure of an embodiment of the present utility model.
Fig. 8 is a schematic diagram illustrating an assembly of a grounding switch and a rack according to an embodiment of the present utility model.
Fig. 9 is a front view of a grounding switch mated with a chassis in accordance with an embodiment of the present utility model.
Fig. 10 is a schematic diagram of a grounding switch according to an embodiment of the utility model.
Fig. 11 is a top view of a grounding switch according to an embodiment of the utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a frame; 2. a load switch; (201, 202, 203), three-phase poles; 21. a body; 211. a conductive torch; 212. a middle support; 213. a lower support; 22. an upper contact assembly; 221. an upper support; 23. a lower contact assembly; 3. a grounding switch; 31; a grounded tool holder; 32. a contact pressure spring; 33. a grounded transmission shaft; 331. a limit plate of the grounding switch; 34. a horizontal axis; 35. a grounding crank arm; 351. a protrusion; 36. a fixing seat; 37. the grounding soft connection; 38. a grounding copper bar; 4. a main drive shaft; 51. a first lever; 52. a linkage rod; 53. a second crank arm; 6. isolating the drive shaft.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
examples: referring to fig. 1 to 11, a load switch combined electrical apparatus with a centrally-mounted grounding switch includes a frame 1, a load switch 2, and a grounding switch 3: the frame 1 is a shared support frame of the load switch 2 and the grounding switch 3; the load switch 2 comprises a switch body 21, an upper contact assembly 22 and a lower contact assembly 23, wherein the lower contact assembly 23 is electrically connected with the switch body 21, as shown in fig. 5 and 6, a conductive piece of the switch body 21 can be lifted and shifted and is electrically connected with or disconnected from the upper contact assembly 22 to form a closing or opening state of a main loop, as shown in fig. 5, one end part of the conductive piece, which is close to the upper contact assembly 22, is exposed to form a grounding action part in the opening state of the load switch; the grounding switch 3 is disposed between the upper contact assembly 22 and the conductive member, and the grounding switch 3 is electrically connected to the grounding portion of the conductive member to form a grounding circuit when the load switch is in the off state, as shown in fig. 1 and 2.
In an embodiment of the present utility model, as shown in fig. 1 and fig. 3, the load switch 2 is three groups of pneumatic load switches and forms three phase connection pole posts (201, 202, 203), the corresponding grounding switch 3 is three groups, each pneumatic load switch includes a conductive tube 211, the conductive tube 211 is a conductive member of the load switch, the conductive tube 211 can move up and down along the axis and is electrically connected with the corresponding upper contact, the side wall of the top of the conductive tube 211 forms a grounding action part, the conductive tube of the pneumatic load switch is used as a main circuit conductive unit, and can form a break with the upper contact, as shown in fig. 5, the load switch is separated from the gate, and the break is visible, as shown in fig. 6, the load switch is closed, and the break is communicated.
In an embodiment of the present utility model, as shown in fig. 7 to 11, the grounding switch 3 includes a grounding tool holder 31, a contact pressure spring 32 and a grounding transmission shaft 33, the grounding tool holder 31 penetrates a transverse shaft 34 near the head, the transverse shaft 34 is provided with the contact pressure spring 32 on the outer side of the grounding tool holder so that the grounding tool holder 31 can be tightly pressed on the grounding action part, the grounding tool holder 31 is fixed on the grounding transmission shaft 33 through a grounding crank arm 35, the grounding transmission shaft 33 is installed on the frame 1 through a fixing seat 36, one end of the grounding transmission shaft 33 is connected with an electrical operating mechanism, the grounding tool holder 31 is electrically connected with a grounding copper bar 38 through a soft connection 37, the grounding copper bar 38 is fixed on the frame 1, and a conductive piece or a conductive cylinder 211 of the load switch, the grounding tool holder 31, the soft connection 37, the grounding copper bar 38 and the frame 1 which are reliably grounded form a grounding loop current path. The grounding transmission shaft 33 is substantially flush with the grounding portion of the conductive cylinder 211 when the pneumatic load switch is disconnected, as shown in fig. 2.
In one embodiment of the present utility model, the rotation limiting structure of the grounding switch is set as follows: as shown in fig. 7, 8 and 10, a grounding switch limiting plate 331 is arranged on the grounding transmission shaft 33, the grounding switch limiting plate 331 synchronously rotates along with the grounding transmission shaft, a corresponding limiting groove 101 is arranged on the shell wall of the frame, and the top end of the limiting groove is a grounding switch-on limiting end; as shown in fig. 3 and 4, the main circuit of the grounding switch 3, which is far away from the load switch under the rotation of the grounding transmission shaft, forms a grounding switch opening state, and a protrusion 351 is arranged on one side of the grounding crank arm 35, as shown in fig. 10, the top end surface of the protrusion is a limiting surface, and when the grounding switch is in the opening state, the limiting surface of the grounding crank arm 35 is abutted against the side wall of the rack to form a limit, and the grounding clamp 31 of the grounding switch 3 is close to the side wall of the rack and meets the electric gap with the conductive cylinder 211 of the load switch.
In one embodiment of the present utility model, the upper contact assembly 22 includes a fixed contact and a mating upper support 221, the fixed contact is fixed on the rack through the upper support 221, the switch body 21 of the load switch is fixed on the rack through the middle support 212 and the lower support 212, and a grounding switch rotation space is formed between the upper support 221 and the middle support 212, as shown in fig. 2 and 3.
In an embodiment of the present utility model, as shown in fig. 1, 3, 7 and 8, a main driving shaft 4 is disposed on a frame 1, the main driving shaft 4 controls a load switch to switch on and off through a driving mechanism, the driving mechanism includes a first crank arm 51, a linkage rod 52 and a second crank arm 53 which are sequentially connected, the second crank arm 53 is fixed on an isolation driving shaft 6, the second crank arm 53 extends towards the load switch, the main driving shaft 4 and the isolation driving shaft 6 are mounted on the frame 1, a grounding driving shaft 33 is mounted above the main driving shaft 4 of the frame 1, a grounding switch 3 is sleeved on the grounding driving shaft 33, and the grounding driving shaft 33, the main driving shaft 4 and the isolation driving shaft 6 are disposed from top to bottom.
According to the utility model, the grounding switch 3 and the load switch 2 share one frame, the grounding switch 3 is fixed on the frame 1 through the fixing seat, and can rotate under the restraint of the fixing seat 36 and the bearing, so that the opening and closing of the grounding knife are realized.
The load switch and grounding switch combined electrical apparatus is used for an environment-friendly gas cabinet, and is a combination of a compressed gas type load switch and a grounding switch, wherein the load switch adopts an arc extinguishing mode of blowing out an electric arc by compressed gas; the electric guiding torch of the pneumatic load switch can directly move up and down along the axis, so that the upper contact part and the lower contact part are communicated and disconnected; in the present utility model, the ground circuit current path, the conductive cylinder 211, the ground holder 31, the flexible connection 37, and the ground copper bar 38 are grounded through the frame or the housing. The main loop part comprises a load switch conductive cylinder part, an upper contact part and a lower contact part, the grounding switch rotates through the grounding transmission shaft, the grounding knife body is far away from the main loop part, the electric gap requirement is met, and the opening state of the grounding switch is realized. The grounding switch is arranged on the inner side of the load switch to form a centrally-mounted structure, so that the overall longitudinal length of the switch is shortened.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (8)
1. The utility model provides a put formula load switch composite apparatus in earthing knife which characterized in that includes:
the rack (1) is a shared support frame of the load switch (2) and the grounding switch (3);
the load switch (2) comprises a switch body (21), an upper contact assembly (22) and a lower contact assembly (23), wherein the lower contact assembly (23) is electrically connected with the switch body (21), a conductive piece of the switch body (21) can be lifted and shifted and is electrically connected with the upper contact assembly (22) or disconnected to form a closing or opening state of a main loop, and one end part of the conductive piece, which is close to the upper contact assembly (22), is exposed to form a grounding action part when the load switch (2) is in an opening state;
the grounding switch (3) is arranged between the upper contact assembly (22) and the conductive member, and the grounding switch (3) is electrically connected with the grounding action part of the conductive cylinder (211) to form a grounding loop when the load switch (2) is in a switching-off state.
2. The earthing knife-in-one load switch combined electrical apparatus of claim 1, wherein: the load switches (2) are three groups of pneumatic load switches (2) and form three phase connection pole posts, the corresponding grounding switches (3) are three groups, each pneumatic load switch (2) comprises a conductive torch (211), the conductive torch (211) can vertically and directly move along the axis to be electrically connected with the corresponding upper contact, and the side wall of the top of the conductive torch (211) forms a grounding action part.
3. The earthing knife-in-blade load switch combination according to claim 1 or 2, wherein: the grounding switch (3) comprises a grounding tool holder (31), a contact pressure spring (32) and a grounding transmission shaft (33), wherein the grounding tool holder (31) penetrates through a transverse shaft (34) close to the head, the contact pressure spring (32) is arranged on the transverse shaft (34) and located on the outer side of the grounding tool holder (31) so that the grounding tool holder (31) can be tightly pressed on a grounding action part, the grounding tool holder (31) is fixed on the grounding transmission shaft (33) through a grounding crank arm (35), the grounding transmission shaft (33) is installed on a frame (1) through a fixing seat (36), one end of the grounding transmission shaft (33) is connected with an electric appliance operation mechanism, the grounding tool holder (31) is electrically connected with a grounding copper bar (38) through a soft connection, the grounding copper bar (38) is fixed on the frame (1), and a grounding loop current path is formed by a conducting piece of the load switch (2), the grounding tool holder (31), the soft connection, the grounding copper bar (38) and the frame (1) which are reliably grounded.
4. A earthing knife-in-one load switch combination as defined in claim 3, wherein: the grounding transmission shaft (33) is substantially flush with the grounding action portion of the flashlight (211) when the pneumatic load switch (2) is disconnected.
5. A earthing knife-in-one load switch combination as defined in claim 3, wherein: the grounding transmission shaft (33) is provided with a limiting plate of the grounding switch (3), the limiting plate of the grounding switch (3) synchronously rotates along with the grounding transmission shaft (33), the shell wall of the frame (1) is provided with a corresponding limiting groove, and the top end of the limiting groove is a grounding closing limiting end.
6. The earthing knife-in-blade load switch combiner of claim 3 or wherein: the main circuit that earthing switch (3) kept away from load switch (2) under earthing transmission shaft (33) is rotatory forms earthing switch (3) brake-separating state, is equipped with arch (351) on earthing crank arm (35) one side, and the top face of arch (351) is the spacing face, and when earthing switch (3) brake-separating state, the spacing face of earthing crank arm (35) is contradicted and is formed spacingly in frame (1) lateral wall, and earthing switch (3) earthing knife-holder (31) are close to frame (1) lateral wall and with satisfy the electric gap between conductive cylinder (211) of load switch (2).
7. The earthing knife-in-one load switch combined electrical apparatus of claim 1, wherein: the upper contact assembly (22) comprises a fixed contact and a matched upper support (221), the fixed contact is fixed on the frame (1) through the upper support (221), the load switch (2) is fixed on the frame (1) through an intermediate support and a lower support (213), and a rotary space of the grounding switch (3) is formed between the upper support (221) and the intermediate support.
8. The earthing knife-switch combined electrical apparatus according to claim 1 or 2 or 4 or 5 or 6 or 7, wherein: be equipped with main drive shaft (4) on frame (1), main drive shaft (4) closes through drive mechanism control load switch (2), drive mechanism is including first crank arm (51), gangbar (52), second crank arm (53) that connect gradually, second crank arm (53) are fixed on isolating drive shaft (6), main drive shaft (4), isolating drive shaft (6) are installed on frame (1), main drive shaft (4) top installation earthing drive shaft (33) of frame (1), the cover has earthing knife-holder (31) on earthing drive shaft (33), main drive shaft (4), isolating drive shaft (6) top-down sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223370834.0U CN219800732U (en) | 2022-12-15 | 2022-12-15 | Earthing knife centrally-mounted load switch combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223370834.0U CN219800732U (en) | 2022-12-15 | 2022-12-15 | Earthing knife centrally-mounted load switch combined electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800732U true CN219800732U (en) | 2023-10-03 |
Family
ID=88151007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223370834.0U Active CN219800732U (en) | 2022-12-15 | 2022-12-15 | Earthing knife centrally-mounted load switch combined electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800732U (en) |
-
2022
- 2022-12-15 CN CN202223370834.0U patent/CN219800732U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205303311U (en) | Vacuum circuit breaker | |
| CN214479039U (en) | Common-box type gas insulation switch cabinet | |
| CN209730633U (en) | A kind of gas-filling cabinet modular switching device | |
| CN115602480A (en) | Three-position switch and three-position environment-friendly gas combined electric appliance ring main unit | |
| KR200420983Y1 (en) | Vacuum Circuit Breaker Link Assembly of Gas Insulated Switchgear | |
| CN211208317U (en) | Isolated vacuum circuit breaker | |
| CN201374519Y (en) | Integral switching device for high-voltage enclosed type combination electrical apparatus | |
| CN219800732U (en) | Earthing knife centrally-mounted load switch combined electrical apparatus | |
| CN109244926A (en) | A kind of packet type switch electric appliance | |
| CN115603217B (en) | Load switch and environment-friendly gas-insulated combined electrical appliance ring main unit | |
| CN116092867A (en) | Earthing knife centrally-mounted load switch combined electrical apparatus | |
| CN116741565A (en) | Three-station isolating switch device and inflatable cabinet | |
| CN208723432U (en) | A kind of packet type switch electric appliance | |
| CN2575835Y (en) | Lampwick integrated forming machine | |
| CN2575834Y (en) | Mini bulb | |
| CN214477319U (en) | Combined structure of isolating switch and vacuum switch | |
| CN219626534U (en) | Vacuum circuit breaker with isolating switch for environment-friendly cabinet | |
| CN218602332U (en) | Compact type solid-sealed pole type circuit breaker | |
| CN219497628U (en) | Vacuum circuit breaker with isolating switch and horizontal arrangement | |
| CN2640018Y (en) | Indoor high-tension vacuum circuit breaker | |
| CN114429882B (en) | Double-acting switch device | |
| CN215009272U (en) | General type quick arc extinguisher that can move open | |
| CN213905223U (en) | Special isolating switch for voltage transformer | |
| CN109166746B (en) | Breaking and closing method of isolation linkage vacuum load switch | |
| CN219163255U (en) | Breaker of normal pressure cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |