CN112071712B - Mechanical type protection early warning equipment that opens circuit - Google Patents
Mechanical type protection early warning equipment that opens circuit Download PDFInfo
- Publication number
- CN112071712B CN112071712B CN202011257550.3A CN202011257550A CN112071712B CN 112071712 B CN112071712 B CN 112071712B CN 202011257550 A CN202011257550 A CN 202011257550A CN 112071712 B CN112071712 B CN 112071712B
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- fixedly connected
- wall
- wire
- shell
- power
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
Abstract
The invention discloses mechanical type circuit-breaking protection early warning equipment which comprises a shell, wherein the shell is connected to a wall body, a movable rod and a fixed rod are arranged in the shell, a movable block and a magnetic block are arranged on the movable rod, a spring is fixed between the fixed rod and the movable rod, a main wire, a first wire cylinder and a second wire cylinder are arranged in the wall body, an electromagnet is arranged at the open end of the first wire cylinder, a first power-on head is arranged at the open end of the second wire cylinder, a buzzer is arranged in the shell, a switch button and an alarm lamp are arranged on the buzzer, and an emergency power-on mechanism is arranged in the shell. According to the invention, through the matching of the electromagnet, the magnetic block, the movable rod, the spring, the first rack, the gear and the second rack, when the circuit is overloaded or short-circuited, the circuit can be automatically powered off and protected, and meanwhile, the storage battery supplies power for electrical appliances in an emergency manner, so that the power utilization stability of a user is ensured.
Description
Technical Field
The invention relates to the technical field of circuits, in particular to a mechanical open circuit protection early warning device.
Background
As is known, electric power is a very common resource, and plays a significant role in life, so that the current life basically does not leave the electric power resource, the current society basically meets the electricity demand along with the development and application of novel power generation equipment such as wind power generation and the like, and the related circuit safety problem is always a topic often discussed by people along with the popularization and application of the power equipment.
In the power utilization process, the circuit sometimes has the condition of unstable voltage, overload or short circuit, if the circuit can not be powered off in time, the circuit is easily damaged, in the serious case, a fire disaster can be caused, the safety is low, when the circuit breaks down, the maintenance consumes long time, inconvenience is brought to a user, an alarm mechanism is not arranged, the circuit of the user cannot be prompted, and the application range is small.
Disclosure of Invention
The invention aims to solve the problems and provides mechanical circuit-breaking protection early warning equipment.
In order to achieve the purpose, the invention adopts the following technical scheme: a mechanical type circuit-breaking protection early warning device comprises a shell, wherein the shell is detachably connected to a wall body, a cavity is formed in the shell, a movable rod is arranged in the cavity, slide rods are fixedly connected to outer surface walls of the front side and the back side of the movable rod respectively, the two slide rods are in sliding connection with two inner surface walls of the front side and the back side of the shell along the horizontal direction, the movable rod is close to the outer surface wall of the one side of the wall body and is fixedly connected with a movable block and a magnetic block, a fixed rod is fixedly connected to the inner surface wall of the top of the shell, far away from one side of the wall body, of the movable rod, a spring is fixedly connected between the fixed rod and the movable rod, a main wire is arranged in the wall body, a first wire guide cylinder and two second wire guide cylinders are arranged in the wall body between the main wire and the shell, the open end of the first wire guide cylinder penetrates through the outer surface wall of the shell along the horizontal direction and is fixedly connected with an electromagnet matched with the magnetic block, two the open end of second wire section of thick bamboo all runs through along the horizontal direction the first circular telegram head of outer table wall of casing and fixedly connected with, the electro-magnet top fixedly connected with bee calling organ on the table wall in the casing top, bee calling organ is close to fixedly connected with on the outer table wall of movable rod one side with movable block assorted shift knob, fixedly connected with warning light on the outer table wall in bee calling organ top, the warning light top runs through along vertical direction the outer table wall in casing top, be equipped with emergent circular telegram mechanism in the casing.
As a further description of the above technical solution:
be equipped with first auxiliary electric wire in the first wire section of thick bamboo, first auxiliary electric wire both ends respectively with the electro-magnet with main electric wire electric connection, two all be equipped with the second auxiliary electric wire in the second wire section of thick bamboo, the second auxiliary electric wire both ends respectively with first circular telegram head with main electric wire electric connection.
As a further description of the above technical solution:
emergent circular telegram mechanism is equipped with the conversion case, fixedly connected with fly leaf on the outer table wall in movable rod bottom, the first fixed plate of fixedly connected with on the outer table wall in fly leaf bottom, the first rack of fixedly connected with on the outer table wall in first fixed plate bottom, first rack below is equipped with rather than assorted gear, both ends all through the rotation axis around the gear with the table wall rotates in both sides around the casing and is connected, the gear below is equipped with the second fixed plate, fixedly connected with on the outer table wall in second fixed plate top with gear assorted second rack, the gear simultaneously with first rack with the meshing of second rack, the outer table wall in second fixed plate bottom with the conversion case passes through connecting plate fixed connection.
As a further description of the above technical solution:
the electric power conversion device is characterized in that a sliding plate is fixedly connected to the outer surface wall of the bottom of the conversion box, the sliding plate is connected with the inner surface wall of the bottom of the shell in a sliding mode along the horizontal direction, a power-on plate is fixedly connected to the inner surface wall of the bottom of the shell on the front side of the conversion box, the bottom of the power-on plate is externally connected with an electric appliance through an electric wire, a second power-on head matched with the power-on plate is fixedly connected to the outer surface wall of the front side of the conversion box along the vertical direction, the second power-on head is connected with the power-on plate in a sliding mode along the horizontal direction, the conversion box is close to the outer surface wall of the first side of the main wire, two third power-on heads matched with the first power-on head are arranged on the outer surface wall of the first side of the main wire, and the second power-on head is respectively electrically connected with the third power-on heads and the fourth power-on heads.
As a further description of the above technical solution:
the conversion box is far away from one side of the wall body, a storage battery and an inverter are fixedly connected to the inner surface wall of the bottom of the shell, the inverter is close to the outer surface wall of one side of the conversion box, two fifth power-on heads matched with the fourth power-on head are arranged on the outer surface wall of the other side of the conversion box, and the storage battery, the inverter and the two fifth power-on heads are electrically connected.
As a further description of the above technical solution:
the utility model discloses a portable electronic device, including casing, fly leaf, casing front side outside table wall, horizontal direction fixedly connected with connecting rod, fixedly connected with limiting plate on the outside table wall of connecting rod front side, be equipped with the spacing groove on the outside table wall of limiting plate front side, horizontal direction fixedly connected with compression spring is followed to the spacing inslot, the open end fixedly connected with stopper of compression spring, be equipped with on the outside table wall of casing front side with the spacing hole of stopper assorted, spacing hole runs through along the horizontal direction the casing outside table wall extremely the cavity, spacing hole corresponds fixedly connected with box body on the outside table wall of casing front side, be equipped with the switch door on the box body.
As a further description of the above technical solution:
the casing is close to both ends all are equipped with the mounting panel around the outer table wall of wall body one side, be equipped with a plurality of screw hole on the mounting panel, the screw hole runs through along the horizontal direction the mounting panel, threaded hole in be equipped with rather than assorted bolt, the casing passes through the mounting panel with the connection can be dismantled to the wall body.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the matching among the electromagnet, the magnetic block, the movable rod, the spring, the first rack, the gear and the second rack, when the main circuit is overloaded or short-circuited, the device can automatically power off the main circuit, and meanwhile, the storage battery can be used for supplying power for electrical appliances in an emergency manner, so that the power utilization stability of a user is ensured.
2. According to the invention, through the matching among the electromagnet, the magnetic block, the movable rod, the spring, the movable block and the switch button, when a circuit fails, the buzzer can give an alarm sound, and the alarm lamp flickers to prompt a user that the circuit fails, so that the circuit is waited for maintenance, and the application range is enlarged.
Drawings
Fig. 1 is a schematic structural diagram of a normal state of the open circuit protection early warning device in the invention;
FIG. 2 is a schematic view of a gear structure according to the present invention;
fig. 3 is a schematic structural diagram of an emergency power supply state of the open circuit protection early warning device in the invention;
FIG. 4 is a schematic diagram of an internal side view of the early warning device for protecting against disconnection according to the present invention;
FIG. 5 is a schematic diagram of a limiting plate according to the present invention;
fig. 6 is a schematic diagram of an external structure of the open-circuit protection early warning device according to the present invention.
Illustration of the drawings:
1. a housing; 2. a wall body; 3. a cavity; 4. a movable rod; 5. a slide bar; 6. a movable block; 7. a magnetic block; 8. fixing the rod; 9. a spring; 10. a main electric wire; 11. a first wire guide cylinder; 12. a second wire guide cylinder; 13. an electromagnet; 14. a first energizing head; 15. a buzzer; 16. a switch button; 17. an alarm light; 18. a conversion box; 19. a movable plate; 20. a first fixing plate; 21. a first rack; 22. a gear; 23. a rotating shaft; 24. a second fixing plate; 25. a second rack; 26. a slide plate; 27. a power-on plate; 28. a second energizing head; 29. a third energizing head; 30. a fourth electrical contact; 31. a storage battery; 32. an inverter; 33. a fifth power-on head; 34. a connecting rod; 35. a limiting plate; 36. a compression spring; 37. a limiting block; 38. a limiting hole; 39. a box body; 40. mounting a plate; 41. a threaded bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-6, a mechanical circuit-breaking protection early warning device comprises a housing 1, the housing 1 is detachably connected to a wall 2, a cavity 3 is arranged in the housing 1, a movable rod 4 is arranged in the cavity 3, slide rods 5 are fixedly connected to outer surface walls of front and back sides of the movable rod 4, the two slide rods 5 are slidably connected to front and back inner surface walls of the housing 1 along a horizontal direction, a movable block 6 and a magnetic block 7 are fixedly connected to the outer surface wall of one side of the movable rod 4 close to the wall 2, a fixed rod 8 is fixedly connected to the inner surface wall of the top of the housing 1 at one side of the movable rod 4 far away from the wall 2, a spring 9 is fixedly connected between the fixed rod 8 and the movable rod 4, a main wire 10 is arranged in the wall 2, a first wire guide tube 11 and two second wire guide tubes 12 are arranged in the wall 2 between the main wire 10 and the housing 1, an open end of the first wire guide tube 11 penetrates through the outer surface wall of the housing 1 along the horizontal direction and is fixedly connected to an electromagnet 13 matched with the magnetic block 7, when the electromagnet 13 is electrified, a suction force can be generated on the magnetic block 7, the open ends of the two second wire cylinders 12 penetrate through the outer surface wall of the shell 1 along the horizontal direction and are fixedly connected with a first electrifying head 14, the buzzer 15 is fixedly connected to the inner surface wall of the top of the shell 1 above the electromagnet 13, an independent battery is arranged in the buzzer 15 and supplies power to the buzzer 15 and the alarm lamp 17, the switch button 16 matched with the movable block 6 is fixedly connected to the outer surface wall of one side, close to the movable rod 4, of the buzzer 15, the switch button 16 is electrically connected with the buzzer 15 and the alarm lamp 17, the alarm lamp 17 is fixedly connected to the outer surface wall of the top of the buzzer 15, the top end of the alarm lamp 17 penetrates through the outer surface wall of the top of the shell 1 along the vertical direction, an emergency electrifying mechanism is arranged in the shell 1, a first pair of wires is arranged in the first wire cylinder 11, and two ends of the first pair of wires are respectively and electrically connected with the electromagnet 13 and the main wire 10, two second secondary wires are arranged in each of the two second wire cylinders 12, and two ends of each second secondary wire are electrically connected with the first electrifying head 14 and the main wire 10 respectively.
The emergency electrifying mechanism is provided with a conversion box 18, a movable plate 19 is fixedly connected to the outer surface wall at the bottom of the movable rod 4, a first fixed plate 20 is fixedly connected to the outer surface wall at the bottom of the movable rod 19, a first rack 21 is fixedly connected to the outer surface wall at the bottom of the first fixed plate 20, a gear 22 matched with the first rack 21 is arranged below the first rack 21, the front end and the rear end of the gear 22 are rotatably connected with the inner surface walls at the front side and the rear side of the shell 1 through a rotating shaft 23, a second fixed plate 24 is arranged below the gear 22, a second rack 25 matched with the gear 22 is fixedly connected to the outer surface wall at the top of the second fixed plate 24, the gear 22 is simultaneously meshed with the first rack 21 and the second rack 25, when the first rack 21 moves along the horizontal direction, due to the meshing effect, the gear 22 rotates, the second rack 25 moves to the opposite direction of the first rack 21 along the horizontal direction, the outer surface wall at the bottom of the second fixed plate 24 is fixedly connected with the conversion box 18 through a connecting plate, a sliding plate 26 is fixedly connected to the outer surface wall of the bottom of the conversion box 18, the sliding plate 26 is connected with the inner surface wall of the bottom of the shell 1 in a sliding manner along the horizontal direction, a power-on plate 27 is fixedly connected to the inner surface wall of the bottom of the shell 1 at the front side of the conversion box 18, the bottom of the power-on plate 27 is externally connected with an electric appliance through an electric wire, a second power-on head 28 matched with the power-on plate 27 is fixedly connected to the outer surface wall of the front side of the conversion box 18 along the vertical direction, the second power-on head 28 is connected with the power-on plate 27 in a sliding manner along the horizontal direction, two third power-on heads 29 matched with the first power-on head 14 are arranged on the outer surface wall of the side of the conversion box 18 close to the main electric wire 10, two fourth power-on heads 30 are arranged on the outer surface wall of the side of the conversion box 18 far away from the main electric wire 10, the second power-on heads 28 are respectively electrically connected with the two third power-on the second power-on heads 29 and the two fourth power-on heads 30, a storage battery 31 and an inverter 32 are fixedly connected to the inner surface wall of the bottom of the shell 1 at the side of the conversion box 18 far away from the wall 2, the inverter 32 converts the output voltage of the storage battery 31 into a voltage with a size required by an electric appliance, two fifth power-on heads 33 matched with the fourth power-on head 30 are arranged on the outer surface wall of one side of the inverter 32 close to the conversion box 18, and the storage battery 31, the inverter 32 and the two fifth power-on heads 33 are electrically connected.
Along horizontal direction fixedly connected with connecting rod 34 on the outside table wall of fly leaf 19 front side, fixedly connected with limiting plate 35 on the outside table wall of connecting rod 34 front side, be equipped with the spacing groove on the outside table wall of limiting plate 35 front side, horizontal direction fixedly connected with compression spring 36 is followed to the spacing inslot, 36 open end fixedly connected with stopper 37 of compression spring, be equipped with on the outside table wall of casing 1 front side with stopper 37 assorted spacing hole 38, spacing hole 38 runs through casing 1 outside table wall to cavity 3 along the horizontal direction, fixedly connected with box body 39 on the outside table wall of casing 1 front side that spacing hole 38 corresponds, be equipped with the switch door on the box body 39, stopper 37 and spacing hole 38 cooperate, can realize spacing fixed to fly leaf 19.
Both ends all are equipped with mounting panel 40 around casing 1 is close to wall body 2 one side outward appearance wall, are equipped with a plurality of screw hole 41 on the mounting panel 40, and screw hole 41 runs through mounting panel 40 along the horizontal direction, and threaded hole 41 is equipped with rather than assorted bolt, and casing 1 can dismantle with wall body 2 through mounting panel 40 and be connected, cooperatees through bolt and the screw hole 41 on the mounting panel 40, can carry out the installation between equipment and the wall body 2 and dismantle.
The working principle is as follows: when the circuit is in a normal state, the first power-on head 14 is connected with the third power-on head 29, the second power-on head 28 is connected with the power-on plate 27, the main wire 10 supplies power to the electrical appliance, when the circuit is overloaded or short-circuited, the current in the main wire 10 is suddenly increased, at this time, the attraction force of the electromagnet 13 to the magnetic block 7 is greater than the binding force of the spring 9 to the magnetic block 7, the magnetic block 7 moves towards the electromagnet 13, the movable rod 4 and the movable plate 19 synchronously move, the movable plate 19 drives the first rack 21 to move, due to the meshing action, the gear 22 rotates, the second rack 25 drives the conversion box 18 to move towards the storage battery 31, the first power-on head 14 is disconnected with the third power-on head 29 for circuit breaking protection, when the connecting rod 34 drives the limiting block 37 to move to the limiting hole 38, the limiting block 37 moves to the limiting hole 38 for limiting and fixing under the action of the compression spring 36, at this time, the fourth power connector 30 is connected with the fifth power connector 33, the second power connector 28 is connected with the power board 27, the battery 31 supplies power to the electrical appliance for emergency, meanwhile, the movable block 6 moves to touch the switch button 16, the buzzer 15 gives out a buzzer warning, the alarm lamp 17 flashes to prompt a user that the circuit is in fault, maintenance is waited, after maintenance is completed, the switch door of the box body 39 is opened, the limit block 37 is pressed, at this time, the attraction force of the electromagnet 13 to the magnetic block 7 is smaller than the binding force of the spring 9 to the magnetic block 7, the magnetic block 7 moves towards the fixed rod 8, the conversion box 18 moves towards the main power line 10, the fourth power connector 30 is disconnected from the fifth power connector 33, the first power connector 14 is connected with the third power connector 29, and the main power line 10 continues to supply power to the electrical appliance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The mechanical circuit-breaking protection early warning device comprises a shell (1) and is characterized in that the shell (1) is detachably connected to a wall body (2), a cavity (3) is arranged in the shell (1), a movable rod (4) is arranged in the cavity (3), slide rods (5) are fixedly connected to outer surface walls of the front side and the rear side of the movable rod (4), the two slide rods (5) are in sliding connection with inner surface walls of the front side and the rear side of the shell (1) along the horizontal direction, the movable rod (4) is close to the outer surface wall of one side of the wall body (2), a movable block (6) and a magnetic block (7) are fixedly connected to the outer surface wall of one side of the wall body (2), the movable rod (4) is far away from one side of the wall body (2), a fixed rod (8) is fixedly connected to the inner surface wall of the top of the shell (1), and an elastic part (9) is fixedly connected between the fixed rod (8) and the movable rod (4), the novel magnetic steel wire rope is characterized in that a main wire (10) is arranged in the wall body (2), a first wire barrel (11) and two second wire barrels (12) are arranged in the wall body (2) between the main wire (10) and the shell (1), the open end of the first wire barrel (11) penetrates through the outer surface wall of the shell (1) along the horizontal direction and is fixedly connected with an electromagnet (13) matched with the magnetic block (7), the open ends of the two second wire barrels (12) penetrate through the outer surface wall of the shell (1) along the horizontal direction and are fixedly connected with a first electrifying head (14), a buzzer (15) is fixedly connected to the inner surface wall of the top of the shell (1) above the electromagnet (13), the buzzer (15) is close to the outer surface wall of one side of the movable rod (4), a switch button (16) matched with the movable block (6) is fixedly connected to the outer surface wall of the top of the movable rod (4), and an alarm lamp (17) is fixedly connected to the outer surface wall of the top of the buzzer (15), the top end of the alarm lamp (17) penetrates through the outer surface wall of the top of the shell (1) along the vertical direction, an emergency electrifying mechanism is arranged in the shell (1), a first auxiliary wire is arranged in the first wire cylinder (11), two ends of the first auxiliary wire are respectively electrically connected with the electromagnet (13) and the main wire (10), a second auxiliary wire is arranged in each of the two second wire cylinders (12), two ends of the second auxiliary wire are respectively electrically connected with the first electrifying head (14) and the main wire (10), the emergency electrifying mechanism is provided with a conversion box (18), a movable plate (19) is fixedly connected to the outer surface wall of the bottom of the movable rod (4), a first fixed plate (20) is fixedly connected to the outer surface wall of the bottom of the movable plate (19), and a first rack (21) is fixedly connected to the outer surface wall of the bottom of the first fixed plate (20), first rack (21) below be equipped with rather than assorted gear (22), gear (22) around both ends all through rotation axis (23) with the casing (1) around in both sides table wall rotate to be connected, gear (22) below is equipped with second fixed plate (24), fixedly connected with on the outer table wall in second fixed plate (24) top with gear (22) assorted second rack (25), gear (22) simultaneously with first rack (21) with second rack (25) meshing, second fixed plate (24) bottom outer table wall with change-over box (18) pass through connecting plate fixed connection, follow horizontal direction fixedly connected with connecting rod (34) on the outer table wall in fly leaf (19) front side, fixedly connected with limiting plate (35) on the outer table wall in connecting rod (34) front side, be equipped with the spacing groove on the outer table wall in limiting plate (35) front side, spacing inslot along horizontal direction fixedly connected with compression spring (36), compression spring (36) open end fixedly connected with stopper (37), be equipped with on casing (1) front side outer table wall with stopper (37) assorted spacing hole (38), spacing hole (38) are run through along the horizontal direction casing (1) outer table wall extremely cavity (3), spacing hole (38) correspond fixedly connected with box body (39) on casing (1) front side outer table wall, be equipped with the switch door on box body (39).
2. The mechanical open circuit protection early warning device according to claim 1, wherein a sliding plate (26) is fixedly connected to an outer surface wall of the bottom of the conversion box (18), the sliding plate (26) is slidably connected to an inner surface wall of the bottom of the housing (1) along a horizontal direction, a power-on plate (27) is fixedly connected to the inner surface wall of the bottom of the housing (1) at the front side of the conversion box (18), the bottom of the power-on plate (27) is externally connected to an electrical appliance through an electric wire, a second power-on head (28) matched with the power-on plate (27) is fixedly connected to the outer surface wall of the front side of the conversion box (18) along a vertical direction, the second power-on head (28) is slidably connected to the power-on plate (27) along the horizontal direction, and two third power-on heads (29) matched with the first power-on head (14) are arranged on the outer surface wall of the conversion box (18) close to the main electric wire (10), keep away from switching box (18) be equipped with two fourth electrification head (30) on the outer wall of main electric wire (10) one side, second electrification head (28) respectively with two third electrification head (29) and two fourth electrification head (30) electric connection, switching box (18) are kept away from wall body (2) one side fixedly connected with battery (31) and inverter (32) on the interior table wall of casing (1) bottom, inverter (32) are close to be equipped with on the outer wall of switching box (18) one side two with fifth electrification head (33) of fourth electrification head (30) assorted, battery (31) inverter (32) and two electric connection between fifth electrification head (33).
3. The mechanical open circuit protection early warning device according to claim 1, wherein the housing (1) is provided with mounting plates (40) at front and rear ends of an outer surface wall of one side close to the wall body (2), the mounting plate (40) is provided with a plurality of threaded holes (41), the threaded holes (41) penetrate through the mounting plate (40) along a horizontal direction, the threaded holes (41) are provided with bolts matched with the threaded holes, and the housing (1) is detachably connected with the wall body (2) through the mounting plate (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257550.3A CN112071712B (en) | 2020-11-11 | 2020-11-11 | Mechanical type protection early warning equipment that opens circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257550.3A CN112071712B (en) | 2020-11-11 | 2020-11-11 | Mechanical type protection early warning equipment that opens circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112071712A CN112071712A (en) | 2020-12-11 |
| CN112071712B true CN112071712B (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257550.3A Active CN112071712B (en) | 2020-11-11 | 2020-11-11 | Mechanical type protection early warning equipment that opens circuit |
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| Country | Link |
|---|---|
| CN (1) | CN112071712B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113541010A (en) * | 2021-07-27 | 2021-10-22 | 山东赛马力发电设备有限公司 | Little electric wire netting power supply system of power distribution station |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016016011A1 (en) * | 2014-07-31 | 2016-02-04 | Siemens Aktiengesellschaft | Spring-loaded drive and method for monitoring a spring-loaded drive |
| CN209461322U (en) * | 2018-09-18 | 2019-10-01 | 江苏安控电气有限公司 | A kind of fire pump double power-supply automatic transferring control switch |
| CN209591839U (en) * | 2019-01-29 | 2019-11-05 | 一二三电气有限公司 | Double power supply automatic transfer switch transmission interlocking mechanism |
| CN111816473A (en) * | 2020-09-14 | 2020-10-23 | 广东电网有限责任公司东莞供电局 | Dual supply divide-shut brake drive conversion equipment |
-
2020
- 2020-11-11 CN CN202011257550.3A patent/CN112071712B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016016011A1 (en) * | 2014-07-31 | 2016-02-04 | Siemens Aktiengesellschaft | Spring-loaded drive and method for monitoring a spring-loaded drive |
| CN209461322U (en) * | 2018-09-18 | 2019-10-01 | 江苏安控电气有限公司 | A kind of fire pump double power-supply automatic transferring control switch |
| CN209591839U (en) * | 2019-01-29 | 2019-11-05 | 一二三电气有限公司 | Double power supply automatic transfer switch transmission interlocking mechanism |
| CN111816473A (en) * | 2020-09-14 | 2020-10-23 | 广东电网有限责任公司东莞供电局 | Dual supply divide-shut brake drive conversion equipment |
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| CN112071712A (en) | 2020-12-11 |
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