CN210039989U - Box transformer substation net door linkage power-off system - Google Patents
Box transformer substation net door linkage power-off system Download PDFInfo
- Publication number
- CN210039989U CN210039989U CN201921277465.6U CN201921277465U CN210039989U CN 210039989 U CN210039989 U CN 210039989U CN 201921277465 U CN201921277465 U CN 201921277465U CN 210039989 U CN210039989 U CN 210039989U
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- travel switch
- pressure chamber
- low
- pressure
- limit plate
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Abstract
The utility model discloses a case becomes net door linkage outage system, including the box, the box is inside to be equipped with hyperbaric chamber, low-pressure chamber, low pressure guard gate, high pressure guard gate, first travel switch and second travel switch, establishes high-pressure master switch in the hyperbaric chamber, and first travel switch includes casing and push rod mechanism with second travel switch, and inside first limiting plate, second limiting plate and the third limiting plate of setting up of casing, push rod mechanism include the plunger head, connecting rod and touch panel, and second travel switch's second limiting plate is connected with high-pressure master switch electricity. The utility model discloses structural design is exquisite, opens low pressure guard gate, and the light of being connected with first travel switch electricity provides the illumination for the low-pressure chamber immediately, opens high pressure guard gate, and the light of being connected with second travel switch electricity provides the illumination for the high-pressure chamber immediately, and the high pressure master switch who is connected with second travel switch electricity is automatic disconnection immediately, has ensured staff's personal safety.
Description
Technical Field
The utility model belongs to the box-type substation field especially relates to a box becomes net door linkage outage system.
Background
The box-type transformer substation, also called a prefabricated transformer substation, is factory prefabricated indoor and outdoor compact distribution equipment which integrates high-voltage switch equipment, a distribution transformer and a low-voltage distribution device according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together, and the prefabricated indoor and outdoor compact distribution equipment is particularly suitable for urban network construction and transformation. The safety performance of the existing box-type substation is low, when the box-type substation breaks down, the box-type substation is overhauled by operators, and due to negligence of the operators, the box-type substation enters a high-voltage chamber to be overhauled under the condition that a high-voltage main switch of the high-voltage chamber is not disconnected, so that accidents of electric shock and casualties of people can be caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a case becomes net door linkage outage system.
The utility model discloses a realize like this: a box transformer substation network door linkage power-off system comprises a box body, wherein a high-pressure chamber is arranged on one side in the box body, a low-pressure chamber is arranged on the other side in the box body, a low-pressure protective door is arranged at the joint of the box body and the low-pressure chamber, when the low-pressure protective door is opened, a worker enters the low-pressure chamber, a high-pressure protective door is arranged between the low-pressure chamber and the high-pressure chamber, when the high-pressure protective door is opened, the worker enters the high-pressure chamber, a first travel switch is fixedly arranged at the upper part of the low-pressure chamber, which is close to the low-pressure protective door, and is abutted against the low-pressure protective door, a second travel switch is fixedly arranged at the upper part of the high-pressure chamber, which is close to the high-pressure protective door, when the high-pressure protective door is closed, the second travel, the high-voltage switch and the second travel switch comprise a shell and a push rod mechanism, a through hole is formed in one side of the shell, a first limiting plate is fixedly arranged on one side, close to the through hole, in the shell, a second limiting plate is fixedly arranged on one side, far away from the through hole, in the shell, a normally open static contact is arranged on the upper end ring of the second limiting plate, a third limiting plate is arranged between the first limiting plate and the second limiting plate, a normally closed static contact is arranged on the lower end ring of the third limiting plate, the push rod mechanism comprises a plunger head, a connecting rod and a touch plate, the plunger head and the touch plate are simultaneously and fixedly connected at two ends of the connecting rod, the aperture of the plunger head is slightly smaller than that of the through hole, the plunger head is guaranteed to smoothly move in the through hole, and the connecting rod sequentially penetrates through the centers of the first limiting plate and the third limiting plate, the touch plate is arranged between the second limiting plate and the third limiting plate, contacts are arranged on the upper side and the lower side of the touch plate in a surrounding mode, a reset spring is arranged on a connecting rod between the plunger head and the first limiting plate, the third limiting plate of the first travel switch is electrically connected with an illuminating lamp in the low-pressure chamber, the second limiting plate of the second travel switch is electrically connected with a high-pressure main switch in the high-pressure chamber, and the third limiting plate of the second travel switch is electrically connected with the illuminating lamp in the high-pressure chamber.
Preferably, the plunger head of the first travel switch is arranged towards one side of the low-pressure protective door for opening and closing, so that the plunger head of the first travel switch makes telescopic motion under the action of the low-pressure protective door, and the opening and closing of the illuminating lamp in the low-pressure chamber are further controlled; the plunger head of the second travel switch is arranged towards one side of the high-voltage protective door for opening and closing, so that the plunger head of the second travel switch can make telescopic motion under the action of the high-voltage protective door, and further the opening and closing of the illuminating lamp and the high-voltage main switch in the high-voltage chamber can be controlled.
Preferably, the circle center of the ring formed by the central points of the normally open static contacts, the circle center of the ring formed by the central points of the normally closed static contacts, the circle center of the ring formed by the central points of the contacts, the center line of the plunger head, the center line of the connecting rod and the center line of the touch panel are on the same straight line, and the diameter of the ring formed by the central points of the normally open static contacts and the diameter of the ring formed by the central points of the normally closed static contacts are the same as the diameter of the ring formed by the central points of the contacts, so that the reliable operation of the push rod mechanism is ensured, and the stable and reliable contact among the normally open static contacts, the normally closed static contacts and the contacts is also ensured, thereby ensuring the personal safety of workers.
Preferably, the second limiting plate, the third limiting plate and the touch plate are conductive metal plates, and the normally open static contact, the normally closed static contact and the contact are electric conductors, so that smooth current circulation is ensured, and effective control of the lighting lamp and the high-voltage main switch is further ensured.
The utility model has the advantages that: the utility model discloses structural design is exquisite, opens low pressure guard gate, and the light of being connected with first travel switch electricity provides the illumination for the low-pressure chamber immediately, provides the protection for the high-pressure chamber through high pressure guard gate, prevents that the toy from getting into the high-pressure chamber and causing the accident, opens high pressure guard gate, and the light of being connected with second travel switch electricity immediately provides the illumination for the high-pressure chamber, and the high pressure master switch who is connected with second travel switch electricity is automatic disconnection immediately, has ensured staff's personal safety.
Drawings
Fig. 1 is a schematic top view of the box body of the present invention;
fig. 2 is a schematic structural diagram of a first travel switch and a second travel switch of the present invention;
fig. 3 is a schematic structural diagram of positions of a normally open static contact, a normally closed static contact and a contact;
in the figure: 1. a box body; 2. a high pressure chamber; 3. a low pressure chamber; 4. a low voltage protective door; 5. a high-voltage protective door; 6. a first travel switch; 7. a second travel switch; 8. an illuminating lamp; 9. a high-voltage main switch; 10. a housing; 11. a push rod mechanism; 12. a through hole; 13. a first limit plate; 14. a second limiting plate; 15. a normally open static contact; 16. a third limiting plate; 17. normally closing a static contact; 18. a plunger head; 19. a connecting rod; 20. a touch panel; 21. a contact; 22. a return spring.
Detailed Description
In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, a box transformer substation gate linkage power-off system includes a box body 1, a high-pressure chamber 2 is arranged on one side inside the box body 1, a low-pressure chamber 3 is arranged on the other side inside the box body 1, a low-pressure protective door 4 is arranged at the joint of the box body 1 and the low-pressure chamber 3, a worker enters the low-pressure chamber 3 by opening the low-pressure protective door 4, a high-pressure protective door 5 is arranged between the low-pressure chamber 3 and the high-pressure chamber 2, the worker enters the high-pressure chamber 2 by opening the high-pressure protective door 5, a first travel switch 6 is fixedly arranged at the upper portion of the low-pressure chamber 3 near the low-pressure protective door 4, when the low-pressure protective door 4 is closed, the first travel switch 6 abuts against the low-pressure protective door 4, a second travel switch 7 is fixedly arranged at the upper portion of the high-pressure chamber 2 near the high-pressure protective door 5, when the, the plunger head 18 of the first travel switch 6 is arranged towards one side of the low-pressure protective door 4 for opening and closing, so that the plunger head 18 of the first travel switch 6 makes telescopic motion under the action of the low-pressure protective door 4, and the opening and closing of the illuminating lamp 8 in the low-pressure chamber 3 are further controlled; the plunger head 18 of the second travel switch 7 is arranged towards one side of the high-voltage protective door 5, so that the plunger head 18 of the second travel switch 7 makes telescopic motion under the action of the high-voltage protective door 5, and further controls the on and off of the illumination lamp 8 and the high-voltage main switch 9 in the high-voltage chamber 2, the top ends of the low-voltage chamber 3 and the high-voltage chamber 2 are provided with the illumination lamp 8 for providing illumination, the high-voltage main switch 9 is arranged in the high-voltage chamber 2, the high-voltage circuit in the high-voltage chamber 2 is powered off through the high-voltage main switch 9, the first travel switch 6 and the second travel switch 7 comprise a shell 10 and a push rod mechanism 11, one side of the shell 10 is provided with a through hole 12, one side of the shell 10, which is close to the through hole 12, is fixedly provided with a first limit plate 13, one side of the shell 10, which is far away from the through hole 12, a third limit plate 16 is arranged between the first limit plate 13 and the second limit plate 14, a normally closed stationary contact 17 is annularly arranged at the lower end of the third limit plate 16, the push rod mechanism 11 comprises a plunger head 18, a connecting rod 19 and a touch plate 20, both ends of the connecting rod 19 are fixedly connected with the plunger head 18 and the touch plate 20 at the same time, the aperture of the plunger head 18 is slightly smaller than that of the through hole 12 to ensure the smooth movement of the plunger head 18 in the through hole 12, the connecting rod 19 sequentially penetrates through the centers of the first limit plate 13 and the third limit plate 16, the touch plate 20 is arranged between the second limit plate 14 and the third limit plate 16, contacts 21 are annularly arranged at the upper side and the lower side of the touch plate 20, a return spring 22 is arranged on the connecting rod 19 between the plunger head 18 and the first limit plate 13, the third limit plate 16 of the first travel switch 6 is electrically connected with an illuminating lamp 8 in the low pressure chamber 3, the second limit plate 14 of the second travel switch 7 is electrically connected with a high, the third limit plate 16 of the second stroke switch 7 is electrically connected to the illumination lamp 8 in the high pressure chamber 2.
The circle center of the circular ring formed by the central points of the normally open static contacts 15, the circle center of the circular ring formed by the central points of the normally closed static contacts 17, the circle center of the circular ring formed by the central points of the contacts 21, the central line of the plunger head 18, the central line of the connecting rod 19 and the central line of the contact plate 20 are on the same straight line, and the diameter of the circular ring formed by the central points of the normally open static contacts 15 and the diameter of the circular ring formed by the central points of the normally closed static contacts 17 are the same as the diameter of the circular ring formed by the central points of the contacts 21, so that the reliable operation of the push rod mechanism 11 is ensured, the stable and reliable contact among the normally open static contacts 15, the normally closed static contacts 17 and the contacts 21 is also ensured, and the personal safety of working personnel is further ensured.
The second limiting plate 14, the third limiting plate 16 and the touch plate 20 are conductive metal plates, and the normally open static contact 15, the normally closed static contact 17 and the contact 21 are conductive bodies, so that smooth current circulation is ensured, and effective control of the lighting lamp 8 and the high-voltage main switch 9 is further ensured.
When the low-voltage protective door 4 is opened, the plunger head 18 of the first travel switch 6 is popped up under the action of the return spring 22, the touch plate 20 moves upwards, the contact 21 at the upper end of the touch plate 20 is contacted with the normally-closed static contact 17 at the lower end of the third limiting plate 16, the third limiting plate 16 is electrically connected with the illuminating lamp 8, and current in the illuminating circuit flows through the third limiting plate 16 to enable the illuminating lamp 8 to be electrified and emit light to illuminate the low-voltage chamber 3; when the high-voltage protective door 5 is opened, the plunger head 18 of the second travel switch 7 is popped up under the action of the return spring 22, the touch panel 20 moves upwards, the contact 21 at the lower end of the touch panel 20 is disconnected from the normally-open static contact 15 at the upper end of the second limit plate 14, the second limit plate 14 is electrically connected with the high-voltage main switch 9, the high-voltage main switch 9 is disconnected from a high-voltage line, the contact 21 at the upper end of the touch panel 20 is contacted with the normally-closed static contact 17 at the lower end of the third limit plate 16, the third limit plate 16 is electrically connected with the illuminating lamp 8, and current in the illuminating circuit flows through the third limit plate 16 to enable the. On the contrary, the high-voltage protective door 5 is closed, the plunger head 18 of the second travel switch 7 is retracted into the shell 10 under the action of the high-voltage protective door 5, the touch panel 20 moves downwards, the contact 21 at the upper end of the touch panel 20 is disconnected from the normally closed static contact 17 at the lower end of the third limiting plate 16, the third limiting plate 16 is electrically connected with the illuminating lamp 8, the illuminating lamp 8 in the high-voltage chamber 2 is extinguished, the contact 21 at the lower end of the touch panel 20 is contacted with the normally open static contact 15 at the upper end of the second limiting plate 14, and the second limiting plate 14 is electrically connected with the high-voltage main switch 9, so the high-voltage main switch 9 is connected with; when the low-voltage protection door 4 is closed, the plunger head 18 of the first travel switch 6 is retracted into the shell 10 under the action of the low-voltage protection door 4, then the touch panel 20 moves downwards, the contact 21 at the upper end of the touch panel 20 is disconnected from the normally-closed static contact 17 at the lower end of the third limiting plate 16, and the illuminating lamp 8 in the low-voltage chamber 3 is extinguished as the third limiting plate 16 is electrically connected with the illuminating lamp 8.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (4)
1. A box transformer substation network door linkage power-off system comprises a box body and is characterized in that a high-pressure chamber is arranged on one side inside the box body, a low-pressure chamber is arranged on the other side inside the box body, a low-pressure protective door is arranged at the joint of the box body and the low-pressure chamber, a high-pressure protective door is arranged between the low-pressure chamber and the high-pressure chamber, a first travel switch is fixedly arranged at the upper part of the low-pressure chamber close to the low-pressure protective door, a second travel switch is fixedly arranged at the upper part of the high-pressure chamber close to the high-pressure protective door, a lighting lamp is arranged at the top ends of the low-pressure chamber and the high-pressure chamber, a high-pressure main switch is arranged in the high-pressure chamber, the first travel switch and the second travel switch comprise a shell and a push rod mechanism, a through hole is formed in one, the upper end of the second limit plate is annularly provided with a normally open static contact, a third limit plate is arranged between the first limit plate and the second limit plate, the lower end of the third limit plate is annularly provided with a normally closed static contact, the push rod mechanism comprises a plunger head, a connecting rod and a touch plate, the two ends of the connecting rod are simultaneously and fixedly connected with the plunger head and the touch plate, the aperture of the plunger head is slightly smaller than that of the through hole, the connecting rod sequentially penetrates through the centers of the first limit plate and the third limit plate, the touch plate is arranged between the second limit plate and the third limit plate, the upper side and the lower side of the touch plate are annularly provided with contacts, a reset spring is arranged on the connecting rod between the plunger head and the first limit plate, the third limit plate of the first travel switch is electrically connected with an illuminating lamp in the low-pressure chamber, and the second limit plate of the second travel, and a third limiting plate of the second travel switch is electrically connected with a lighting lamp in the high-pressure chamber.
2. The box transformer substation network door linkage power-off system according to claim 1, wherein the plunger head of the first travel switch is arranged towards the side where the low-voltage protective door is opened and closed, and the plunger head of the second travel switch is arranged towards the side where the high-voltage protective door is opened and closed.
3. The box transformer substation network door linkage power-off system according to claim 1, wherein the circle center of a ring formed by the center points of the normally open static contacts, the circle center of a ring formed by the center points of the normally closed static contacts, the circle center of a ring formed by the center points of the contacts, the center line of the plunger head, the center line of the connecting rod and the center line of the touch pad are on the same straight line, and the diameter of the ring formed by the center points of the normally open static contacts and the diameter of the ring formed by the center points of the normally closed static contacts are the same as the diameter of the ring formed by the center points of the contacts.
4. The box transformer substation network door linkage power-off system according to claim 1, wherein the second limiting plate, the third limiting plate and the contact plate are conductive metal plates, and the normally open static contact, the normally closed static contact and the contact are electric conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921277465.6U CN210039989U (en) | 2019-08-08 | 2019-08-08 | Box transformer substation net door linkage power-off system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921277465.6U CN210039989U (en) | 2019-08-08 | 2019-08-08 | Box transformer substation net door linkage power-off system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210039989U true CN210039989U (en) | 2020-02-07 |
Family
ID=69350820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921277465.6U Expired - Fee Related CN210039989U (en) | 2019-08-08 | 2019-08-08 | Box transformer substation net door linkage power-off system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210039989U (en) |
-
2019
- 2019-08-08 CN CN201921277465.6U patent/CN210039989U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20210808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |