CN220306152U - Three-station load switch - Google Patents
Three-station load switch Download PDFInfo
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- CN220306152U CN220306152U CN202321435320.0U CN202321435320U CN220306152U CN 220306152 U CN220306152 U CN 220306152U CN 202321435320 U CN202321435320 U CN 202321435320U CN 220306152 U CN220306152 U CN 220306152U
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- 230000005540 biological transmission Effects 0.000 claims description 52
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of switches, in particular to a three-station load switch, which aims at the problems that in the prior art, a hard mechanical interlocking structure inside a mechanism is used for ensuring that the three-station switch is intelligently switched between grounding, opening and closing positions, but the hard mechanical interlocking structure is complex and the cost is high.
Description
Technical Field
The utility model relates to the technical field of switches, in particular to a three-station load switch.
Background
Three-position switches are commonly used in fully enclosed switchgear (GIS) or composite appliances (PASS) and are not a single product. Is commonly used in ring main units. The three stations refer to three working positions: and 1, a closing position where a main fracture of the isolating switch is connected, 2, an isolating position where the main fracture is separated, and 3, a grounding position of a grounding side. The three-station switch has the functions of an isolating switch and a grounding switch, and is completed by one knife, so that mechanical locking can be realized, and the main loop is prevented from being electrified to be combined with the grounding knife. The three-station isolating switch is provided with a knife, the working position of the knife is unique at a certain moment, and the knife is at either the main switch closing position or the isolating position or the grounding position.
The three-position switch ensures that the three-position switch is intelligently switched between the grounding position, the opening position and the closing position through a hard mechanical interlocking structure in the mechanism, but the hard mechanical interlocking structure is complex and high in cost, so that the three-position load switch is provided for solving the problems.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, a three-station switch is ensured to be intelligently switched between a grounding position, a switching-off position and a switching-on position through a hard mechanical interlocking structure in a mechanism, but the hard mechanical interlocking structure is complex and the cost is high.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the three-station load switch comprises a switch box body, wherein a mounting cover is fixedly mounted on the inner wall of the bottom of the left side of the switch box body, three power connection plates are fixedly mounted on the inner wall of the bottom of the mounting cover at equal intervals, power connection wires are electrically connected to the power connection plates, the right ends of the power connection wires extend into the switch box body and are fixedly provided with power connection plates, and the power connection plates are fixedly connected with the inner wall of the bottom of the switch box body;
install locating component on the top inner wall of installation cover, and locating component's top extends to the top of switch box and is connected with the top left side of switch box, fixedly mounted has the power cord on the right side bottom inner wall of switch box, and the fixed electric connection in left end of power cord has the current conducting plate, and equidistant through-connection has three to connect electric component on the current conducting plate, connects electric component to be connected with the bottom inner wall of switch box, connects electric component and the movable electric contact of corresponding allies oneself with the electric plate.
By means of the structure, the electric wires for power connection can be placed on the corresponding power connection plates respectively, then the electric wires can be pressed by the downward pressing positioning assembly, and when current transmission is needed, the power connection assembly can be started to enable the power connection assembly to be electrically connected with the power connection plates, so that stable power supply can be achieved, and the electric power connector has good practicability.
Preferably, the positioning assembly comprises a compression bar, a rubber compression plate and a clamping member;
the depression bar runs through the top inner wall of installation cover and the top inner wall of switch box respectively and with the top inner wall of installation cover and the top inner wall sliding connection of switch box respectively, and the bottom and the rubber clamp plate fixed connection of depression bar, the rubber clamp plate cooperatees with three electric plates respectively, clamping component is connected with the top inner wall of switch box and the top of depression bar respectively.
Further, the rubber pressing plate can be driven to move downwards when the pressing rod is pushed downwards, so that the electric wire can be positioned and clamped, and stable clamping of the electric wire can be kept when the clamping member is used for limiting the pressing rod.
Preferably, the clamping component comprises a connecting plate, a pull rod, a fixing plate, a clamping cover and two clamping bulges;
the connecting plate fixed mounting is on the top of depression bar, and the pull rod rotates the bottom of connecting at the connecting plate, the bottom and the fixed plate fixed connection of pull rod, and card cover fixed mounting is at the top of switch box, and the left side of fixed plate extends to in the card cover, and two clamping protruding fixed mounting respectively on the top left side of fixed plate and the top inner wall of card cover, and two clamping protruding cooperatees.
Further, when the pull rod is rotated, the fixing plate rotates into the clamping cover, and at the moment, when the two clamping protrusions are clamped in a staggered mode, stable braking of the pressure rod can be achieved.
Preferably, the power receiving assembly comprises a movable power transmission rod and a power transmission plate;
the movable power transmission rod penetrates through the conductive plate and is electrically and slidably connected with the conductive plate, the left end of the movable power transmission rod is electrically and fixedly connected with the conductive plate, the conductive plate is slidably connected with the bottom of the switch box body, the conductive plate is electrically contacted with the conductive plate, and the right top of the conductive plate and the left top of the conductive plate are connected with the same driving member.
Further, when the power transmission plate is in electrical contact with the power connection plate, the current of the power line can be transmitted to the electric wire.
Preferably, the driving member includes a connection cover, a connection rod, and two electromagnets;
the connecting cover is fixedly arranged at the top of the right side of the electric transmission plate, the connecting rod is fixedly arranged at the top of the left side of the electric transmission plate, the left end of the connecting rod extends into the connecting cover and is in sliding connection with the inner wall of the connecting cover, the two electromagnets are respectively and fixedly arranged on the left inner wall of the connecting cover and the left end of the connecting rod, and one sides, close to each other, of the two electromagnets are all provided with N poles.
Further, after the two electromagnets are electrified, repulsive force can be generated, so that the electric conduction plate can be driven to move through the connecting cover, and electric connection with the electric connection plate is realized.
Preferably, the movable transmission rod is sleeved with a compression spring positioned on the right side of the conductive plate, and the left end and the right end of the compression spring are fixedly connected with the right side of the conductive plate and the right end of the movable transmission rod respectively.
Further, by means of the elastic force of the compression spring, after the electromagnet is powered off, the movable power transmission rod can be pushed to reset to the right side, so that the power off can be conveniently conducted.
The beneficial effects are that:
1. firstly, the external transmission wires are respectively arranged on the corresponding electric connection plates, then the connection plates can be pressed downwards to drive the compression bars to move downwards, so that the rubber pressure plates can be used for positioning and clamping the plurality of wires, the wires are respectively and electrically connected with the corresponding electric connection plates, then the fixing plates are moved into the clamping covers by rotating the pull bars, so that the two clamping bulges form clamping relation, the compression bars can be positioned, and the wires can be stably clamped;
2. after the external transmission wire is required to be positioned and clamped, three wires can be simultaneously supplied with power or a single wire can be supplied with power as required, when the power is required to be supplied, two electromagnets can be used for supplying power, and the repulsive force of the two electromagnets can be utilized to enable the connecting cover to move leftwards, so that the transmission plate can be driven to move leftwards, the transmission plate is enabled to be in contact with the connection plate, and current on the power wire can be enabled to pass through the conductive plate, the movable transmission rod, the transmission plate, the connection wire and the connection plate, and the current can be transmitted to the wire, so that an electrified state can be realized;
according to the utility model, after the electric wires are stably connected with the power connection plate, stable power supply to the wires can be realized after the conductive plates are electrically connected with the power connection plate, and the internal structure of the switch is simpler, so that good convenience can be provided during design and manufacture.
Drawings
FIG. 1 is a front view of a three-position load switch according to the present utility model;
FIG. 2 is a part A of a schematic diagram of a three-position load switch according to the present utility model;
FIG. 3 is a front view of a connecting cover and connecting rod connecting structure of a three-position load switch according to the present utility model;
fig. 4 is a three-dimensional diagram of a connection structure of a conductive plate and a plurality of conductive plates of a three-position load switch according to the present utility model.
In the figure: 1. a switch box; 2. a mounting cover; 3. a power line; 4. a power connection plate; 5. a compression bar; 6. a rubber press plate; 7. a connecting plate; 8. connecting wires; 9. a power connection plate; 10. a conductive plate; 11. moving a transmission rod; 12. a power transmission plate; 13. a compression spring; 14. a connection cover; 15. a connecting rod; 16. an electromagnet; 17. a pull rod; 18. a card cover; 19. a fixing plate; 20. the clamping bulge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a three-station load switch comprises a switch box body 1, wherein a mounting cover 2 is fixedly arranged on the inner wall of the bottom of the left side of the switch box body 1, three electric connection plates 4 are fixedly arranged on the inner wall of the bottom of the mounting cover 2 at equal intervals, electric connection wires 8 are electrically connected to the electric connection plates 4, the right ends of the electric connection wires 8 extend into the switch box body 1 and are fixedly provided with an electric connection plate 9, and the electric connection plate 9 is fixedly connected with the inner wall of the bottom of the switch box body 1;
install locating component on the top inner wall of installation cover 2, and locating component's top extends to the top of switch box 1 and is connected with the top left side of switch box 1, fixedly mounted has power cord 3 on the right side bottom inner wall of switch box 1, the fixed electric connection in left end of power cord 3 has current conducting plate 10, and equidistant through-connection has three to connect electric component on the current conducting plate 10, connect electric component to be connected with the bottom inner wall of switch box 1, connect electric component to be connected with the movable electric contact of corresponding allies oneself with electric plate 9.
By means of the structure, the electric wires for power connection can be placed on the corresponding power connection plates 4 respectively, then the electric wires can be compressed by pressing down the positioning assembly, and when current transmission is needed, the power connection assembly can be started to enable the power connection assembly to be electrically connected with the power connection plates 9, so that stable power supply can be achieved, and the power connection device has good practicability.
In the utility model, the positioning component comprises a compression bar 5, a rubber pressing plate 6 and a clamping component;
the depression bar 5 runs through the top inner wall of installation cover 2 and the top inner wall of switch box 1 respectively and respectively with the top inner wall of installation cover 2 and the top inner wall of switch box 1 sliding connection, and the bottom and the rubber clamp plate 6 fixed connection of depression bar 5, and rubber clamp plate 6 cooperatees with three electric plates 4 respectively, and the clamping component is connected with the top inner wall of switch box 1 and the top of depression bar 5 respectively.
The rubber pressing plate 6 can be driven to move downwards when the pressing rod 5 is pushed downwards, so that the electric wire can be positioned and clamped, and stable clamping of the electric wire can be kept when the clamping member is utilized to limit the pressing rod 5.
In the utility model, the clamping component comprises a connecting plate 7, a pull rod 17, a fixing plate 19, a clamping cover 18 and two clamping bulges 20;
the connecting plate 7 fixed mounting is on the top of depression bar 5, and pull rod 17 rotates to be connected in the bottom of connecting plate 7, and the bottom and the fixed plate 19 fixed connection of pull rod 17, and clamping cover 18 fixed mounting is at the top of switch box 1, and the left side of fixed plate 19 extends to in the clamping cover 18, and two clamping protruding 20 fixed mounting respectively on the top left side of fixed plate 19 and the top inner wall of clamping cover 18, and two clamping protruding 20 cooperate.
When the pull rod 17 is rotated, the fixing plate 19 is rotated into the clamping cover 18, and at this time, when the two clamping protrusions 20 are clamped in a staggered manner, the pressure rod 5 can be braked stably.
In the utility model, the power connection assembly comprises a movable power transmission rod 11 and a power transmission plate 12;
the movable power transmission rod 11 penetrates through the conductive plate 10 and is electrically and slidably connected with the conductive plate 10, the left end of the movable power transmission rod 11 is electrically and fixedly connected with the power transmission plate 12, the power transmission plate 12 is slidably connected with the bottom of the switch box body 1, the power transmission plate 12 is electrically contacted with the power connection plate 9, and the right top of the power transmission plate 12 and the left top of the conductive plate 10 are connected with the same driving component.
When the power transmission plate 12 is in electrical contact with the power connection plate 9, the current of the power line 3 can be transmitted to the power line.
In the present utility model, the driving means comprises a connecting cover 14, a connecting rod 15 and two electromagnets 16;
the connecting cover 14 is fixedly installed on the right top of the electricity transmission plate 12, the connecting rod 15 is fixedly installed on the left top of the electricity transmission plate 10, the left end of the connecting rod 15 extends into the connecting cover 14 and is in sliding connection with the inner wall of the connecting cover 14, the two electromagnets 16 are respectively fixedly installed on the left inner wall of the connecting cover 14 and the left end of the connecting rod 15, and one sides, close to each other, of the two electromagnets 16 are all set to be N poles.
After the two electromagnets 16 are electrified, repulsive force is generated, so that the connection cover 14 can drive the electricity transmission plate 12 to move, and the electricity transmission plate 9 is electrically connected.
In the utility model, a compression spring 13 positioned on the right side of a conductive plate 10 is sleeved on a movable transmission rod 11, and the left end and the right end of the compression spring 13 are fixedly connected with the right side of the conductive plate 10 and the right end of the movable transmission rod 11 respectively.
By the elastic force of the compression spring 13, after the electromagnet 16 is powered off, the movable power transmission rod 11 can be pushed to the right side for resetting movement, so that the power off can be conveniently performed.
Working principle: firstly, the external transmission wires are respectively placed on the corresponding electric connection plates 4, then the connecting plates 7 can be pressed downwards to drive the compression bars 5 to move downwards, so that the rubber pressing plates 6 can be used for positioning and clamping a plurality of wires, the wires are respectively and electrically connected with the corresponding electric connection plates 4, then the fixing plates 19 are moved into the clamping covers 18 through the rotating pull rods 17, so that the two clamping bulges 20 form clamping relation, the compression bars 5 can be positioned, the stable clamping of the wires can be kept, after the external transmission wires are required to be positioned and clamped, three wires can be simultaneously supplied with power or a single wire can be supplied with power as required, when the power is required to be supplied, the two electromagnets 16 can be used for supplying power, the repulsive force of the two electromagnets 16 can be used for enabling the connecting cover 14 to move leftwards, so that the transmission plates 12 can be driven to move leftwards, the transmission plates 12 are enabled to be contacted with the electric connection plates 9, the currents on the power wires 3 can be enabled to pass through the conductive plates 10, the moving transmission plates 11, the electric connection plates 9, the electric connection plates 8 and the electric connection plates 4, and the electric connection plates 4 can be easily designed, and the electric connection structure can be easily manufactured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The three-station load switch comprises a switch box body (1) and is characterized in that a mounting cover (2) is fixedly mounted on the inner wall of the bottom of the left side of the switch box body (1), three power connection plates (4) are fixedly mounted on the inner wall of the bottom of the mounting cover (2) at equal intervals, power connection wires (8) are electrically connected to the power connection plates (4), the right ends of the power connection wires (8) extend into the switch box body (1) and are fixedly provided with power connection plates (9), and the power connection plates (9) are fixedly connected with the inner wall of the bottom of the switch box body (1);
install locating component on the top inner wall of installation cover (2), and locating component's top extends to the top of switch box (1) and is connected with the top left side of switch box (1), fixed mounting has power cord (3) on the right side bottom inner wall of switch box (1), the fixed electric connection in left end of power cord (3) has current conducting plate (10), and equidistant through connection has three to connect electric component on current conducting plate (10), connect electric component to be connected with the bottom inner wall of switch box (1), connect electric component and the movable electric contact of corresponding allies oneself with electric plate (9).
2. The three-position load switch of claim 1, wherein the positioning assembly comprises a compression bar (5), a rubber compression plate (6) and a snap-on member;
the compression bar (5) runs through the top inner wall of installation cover (2) and the top inner wall of switch box (1) respectively and respectively with the top inner wall of installation cover (2) and the top inner wall sliding connection of switch box (1), and the bottom and the rubber clamp plate (6) fixed connection of compression bar (5), and rubber clamp plate (6) cooperate with three electric plate (4) respectively, and clamping component is connected with the top inner wall of switch box (1) and the top of compression bar (5) respectively.
3. The three-position load switch of claim 2, wherein the snap-on member comprises a connection plate (7), a pull rod (17), a fixing plate (19), a snap-on cover (18) and two snap-on protrusions (20);
connecting plate (7) fixed mounting is on the top of depression bar (5), and pull rod (17) rotate the bottom of connecting plate (7), the bottom and the fixed plate (19) fixed connection of pull rod (17), clamping cover (18) fixed mounting is at the top of switch box (1), the left side of fixed plate (19) extends to in clamping cover (18), and two clamping protruding (20) fixed mounting are on the top left side of fixed plate (19) and the top inner wall of clamping cover (18) respectively, and two clamping protruding (20) cooperate.
4. The three-position load switch of claim 1, wherein the power receiving assembly comprises a mobile power transmission pole (11) and a power transmission plate (12);
the movable power transmission rod (11) penetrates through the conductive plate (10) and is electrically and slidably connected with the conductive plate (10), the left end of the movable power transmission rod (11) is electrically and fixedly connected with the power transmission plate (12), the power transmission plate (12) is slidably connected with the bottom of the switch box body (1), the power transmission plate (12) is electrically contacted with the power connection plate (9), and the right side top of the power transmission plate (12) and the left side top of the conductive plate (10) are connected with the same driving component.
5. The three-position load switch of claim 4, wherein the drive member comprises a connecting cover (14), a connecting rod (15) and two electromagnets (16);
the connecting cover (14) is fixedly arranged at the top of the right side of the power transmission plate (12), the connecting rod (15) is fixedly arranged at the top of the left side of the conductive plate (10), the left end of the connecting rod (15) extends into the connecting cover (14) and is in sliding connection with the inner wall of the connecting cover (14), the two electromagnets (16) are respectively fixedly arranged on the left side inner wall of the connecting cover (14) and the left end of the connecting rod (15), and one sides, close to each other, of the two electromagnets (16) are all provided with N poles.
6. The three-position load switch according to claim 4 or 5, wherein the movable power transmission rod (11) is sleeved with a compression spring (13) positioned on the right side of the conductive plate (10), and the left end and the right end of the compression spring (13) are fixedly connected with the right side of the conductive plate (10) and the right end of the movable power transmission rod (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435320.0U CN220306152U (en) | 2023-06-07 | 2023-06-07 | Three-station load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435320.0U CN220306152U (en) | 2023-06-07 | 2023-06-07 | Three-station load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306152U true CN220306152U (en) | 2024-01-05 |
Family
ID=89344867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321435320.0U Active CN220306152U (en) | 2023-06-07 | 2023-06-07 | Three-station load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306152U (en) |
-
2023
- 2023-06-07 CN CN202321435320.0U patent/CN220306152U/en active Active
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