CN112467695A - Capacitor protection assembly capable of automatically popping up in emergency - Google Patents
Capacitor protection assembly capable of automatically popping up in emergency Download PDFInfo
- Publication number
- CN112467695A CN112467695A CN202011300118.8A CN202011300118A CN112467695A CN 112467695 A CN112467695 A CN 112467695A CN 202011300118 A CN202011300118 A CN 202011300118A CN 112467695 A CN112467695 A CN 112467695A
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- China
- Prior art keywords
- fixedly connected
- capacitor protection
- protection assembly
- capacitor
- circuit board
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/16—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to the technical field of capacitor protection, and discloses a capacitor protection assembly capable of automatically popping out in emergency, which comprises a circuit board, wherein the lower end of the interior of the circuit board is fixedly connected with a fixed box close to the left, a circular groove is formed in the fixed box, a top plate is movably inserted in the circular groove, the lower end of the interior of the circuit board is fixedly connected with a control box close to the right, and a first sliding rail is arranged in the control box. Through promoting the push rod left, the push rod passes through the stopper and drives the cardboard and remove along the slide rail left side earlier on, at this moment, the conducting block that will drive the capacitance piece inserts in the middle of the upper end of support, the roof to fixed incasement portion is pushed up to the bottom of conducting block makes behind the spring production pretightning force, loosen the push rod, the cardboard is under the condition that the stopper was promoted right at spring three this moment, the inside left end of draw-in groove pushes away the conducting block right, the upper end of circuit board and the upper end of fixed case push away the conducting block left, make the conducting block fixed, thereby simple to operate has been reached, convenient to overhaul's effect.
Description
Technical Field
The invention relates to the technical field of capacitor protection, in particular to a capacitor protection component capable of popping up automatically in emergency.
Background
The protection device is arranged on each capacitor of the existing capacitor bank, so long as the protection and the matching are proper, a fault capacitor can be cut off rapidly, the explosion of an oil tank of the capacitor is avoided, the nearby capacitors are prevented from being affected and damaged, the overload of the capacitor is caused by the fact that firstly, the operating voltage is higher than the rated voltage of the capacitor, secondly, the over-current caused by harmonic waves is caused, and the capacitor protection device can protect the interphase short-circuit fault on a lead wire of the capacitor or enable an emergency switch to trip when the capacitor bank is in overload operation.
However, the existing capacitor protection device is not stable enough, the design is unreasonable, the voltage protection of the capacitor is not tight enough, when the oil tank in the capacitor is short-circuited, the capacitor assembly cannot be popped out in time before explosion, and the existing capacitor protection device cannot delay the explosion time of the oil tank, so that the use is unsafe, and a circuit is easy to cause fire.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a capacitor protection assembly capable of popping out automatically in emergency, which has the advantages of being capable of popping out a capacitor automatically before explosion in the capacitor caused by short circuit, delaying the explosion time of an oil tank, being safe to use, convenient to install, long in service life, convenient to overhaul and the like, and solves the problems that a common capacitor assembly cannot pop out the capacitor automatically before explosion in the capacitor caused by short circuit, cannot delay the explosion time of the oil tank, has potential safety hazards in use, is complex to install, short in service life and is not beneficial to overhaul.
(II) technical scheme
In order to achieve the purposes of automatically popping up the capacitor before the capacitor is exploded due to short circuit, delaying the explosion time of the oil tank, along with safe use, convenient installation, long service life and convenient maintenance, the invention provides the following technical scheme:
a capacitor protection component capable of automatically popping out in emergency comprises a circuit board, wherein the lower end inside the circuit board is fixedly connected with a fixed box close to the left, a circular groove is arranged inside the fixed box, a top plate is movably inserted inside the circular groove, the lower end inside the circuit board is fixedly connected with a control box close to the right, a first sliding rail is arranged inside the control box, a clamping plate is movably inserted inside the first sliding rail, a clamping groove is arranged close to the left at the upper end of the clamping plate, a conductive block is movably inserted inside the clamping groove, a capacitance part is fixedly connected at the upper end of the conductive block, a support is fixedly connected close to the left at the upper end of the circuit board, calcium bicarbonate is filled inside the support, a guide pipe is fixedly inserted at the right end of the support, a ball body is fixedly sleeved at the right end of the guide pipe, a gas collecting groove is, the lower end of the movable rod is fixedly connected with a push block, the right end of the clamping plate is fixedly connected with a limiting block, and a third spring is movably sleeved at the left end of the limiting block outside the clamping plate.
Preferably, the lower end of the top plate is fixedly connected with a first spring inside the circular groove, and a wire is fixedly connected to the lower end of the first spring, so that the capacitor can be conveniently connected with other electrical appliances, and the circuit is protected.
Preferably, the support is in an arc shape, the radian of the support is matched with the outer side of the capacitor, the support is conveniently in full contact with the capacitor, more accurate induction of the state of the capacitor is facilitated, and the support plate is arranged at the lower end of the support.
Preferably, the outer side of the movable rod is movably sleeved with a second spring at the lower end of the sliding block, the outer diameter of the second spring is matched with the inner diameter of the second sliding rail, and the second spring can be used for controlling the position of the sliding block.
Preferably, the front end of the push block is fixedly connected with a fixed shaft, a roller is movably sleeved on the outer side of the fixed shaft, and the roller can lift to control the position of the clamping plate.
Preferably, the through hole is formed in the middle upper end of the clamping plate, the inclined plane is formed in the left end of the through hole, the upper portion of the inclined plane is movably connected with the roller, and the roller can push the clamping plate to enable the capacitance piece to be timely popped out in the moving process.
Preferably, the limiting block outside just is located circuit board inside and is provided with the groove, and limiting block right-hand member fixedly connected with push rod, and convenient to use person installs the capacitance piece through adjusting the push rod.
(III) advantageous effects
Compared with the prior art, the invention provides a capacitor protection component capable of popping up automatically in emergency, which has the following beneficial effects:
1. this condenser protection component of auto-eject when emergency, through promote the push rod left, the push rod passes through the stopper and drives the cardboard and remove along the slide rail left side earlier on, at this moment, insert in the middle of the conducting block of will driving the electric capacity piece from the upper end of support, the bottom of conducting block pushes up after the roof of fixed incasement portion makes spring one produce the pretightning force, loosen the push rod, the cardboard promotes the stopper right condition with the spring three this moment under, the inside left end of draw-in groove pushes away the conducting block right, the upper end of circuit board pushes away the conducting block left with the upper end of fixed case, make the conducting block fixed, thereby reached simple to operate, convenient to overhaul's effect.
2. The capacitor protection component capable of automatically popping out in emergency is characterized in that calcium bicarbonate is filled in a support outside a capacitor part, when the capacitor part is in short circuit to generate high temperature, heat is transferred to the calcium bicarbonate through the support, under the condition of high temperature, according to the principle of Ca (HCO) ═ CaCO ↓ + CO ≦ HO, water generated in the support absorbs part of the heat generated by the capacitor part to prevent the temperature in the capacitor part from rapidly rising, meanwhile, carbon dioxide generated by reaction is transferred to a gas collecting groove through a guide pipe, then is led into a sliding rail II from the inside of the gas collecting groove and pushes a sliding block downwards, the sliding block pushes a push block downwards through a movable rod, the push block pushes a roller downwards through a fixed shaft, the roller drives a clamping plate to move leftwards through thrust acting on an inclined plane on the left side of a through hole, the clamping plate is separated from a conductive block at the moment, and under the action of elastic sudden change of, the top plate rapidly ejects the conductive block out of the circuit board, so that the conductive block can be automatically ejected out before the capacitor is exploded due to short circuit, the explosion time of the oil tank can be delayed, the use is safe, and the service life is long.
Drawings
FIG. 1 is a front elevational full sectional view of the structure of the present invention;
FIG. 2 is a view of the connection of the structural stent of the present invention to a catheter;
FIG. 3 is a diagram showing the connection relationship between the circuit board and the control box according to the present invention;
FIG. 4 is a diagram showing the connection between the capacitor and the push rod according to the present invention.
In the figure: 1. a circuit board; 2. a fixed box; 3. a circular groove; 4. a top plate; 5. a first spring; 6. a wire; 7. a control box; 8. a first slide rail; 9. clamping a plate; 10. a card slot; 11. a conductive block; 12. a capacitor element; 13. a support; 14. calcium bicarbonate; 15. a conduit; 16. a sphere; 17. a gas collecting tank; 18. erecting a tank; 19. a second slide rail; 20. a slider; 21. a movable rod; 22. a second spring; 23. a push block; 24. a fixed shaft; 25. a roller; 26. a through hole; 27. a limiting block; 28. a third spring; 29. a push rod.
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.
Referring to fig. 1-4, a capacitor protection assembly capable of automatically popping out in emergency comprises a circuit board 1, a fixed box 2 is fixedly connected to the lower end of the interior of the circuit board 1 near the left, a circular groove 3 is arranged in the fixed box 2, a top plate 4 is movably inserted in the circular groove 3, a spring I5 is fixedly connected to the lower end of the top plate 4 and positioned in the circular groove 3, a lead 6 is fixedly connected to the lower end of the spring I5, so that a capacitor element 12 can be conveniently connected with other electrical appliances, thereby protecting the circuit, a control box 7 is fixedly connected to the lower end of the interior of the circuit board 1 near the right, a slide rail I8 is arranged in the control box 7, a clamping plate 9 is movably inserted in the slide rail I8, a through hole 26 is arranged at the upper end of the middle of the clamping plate 9, an inclined plane is arranged at the left end of the through hole 26, the upper part of the inclined, a clamping groove 10 is arranged near the left at the upper end of the clamping plate 9, a conducting block 11 is movably inserted in the clamping groove 10, a capacitor 12 is fixedly connected at the upper end of the conducting block 11, a support 13 is fixedly connected at the left at the upper end of the circuit board 1, the support 13 is arranged in an arc shape, the radian of the support is matched with the outer side of the capacitor 12, the support 13 is convenient to be in full contact with the capacitor 12, and the state of the capacitor 12 can be sensed more accurately, a support plate is arranged at the lower end of the support 13, calcium bicarbonate 14 is filled in the support 13, a guide pipe 15 is fixedly inserted at the right end of the support 13, a sphere 16 is fixedly sleeved at the right end of the guide pipe 15, a gas collecting groove 17 is arranged in the sphere 16, a vertical tank 18 is fixedly connected at the lower end of the sphere 16, a slide rail two 19 is arranged in the vertical tank 18, a, the external diameter of two springs 22 and the internal diameter phase-match of two 19 slide rails, two 22 springs can be used to control the position of slider 20, movable rod 21 lower extreme fixedly connected with ejector pad 23, ejector pad 23 front end fixedly connected with fixed axle 24, the roller 25 has been cup jointed in the activity of the 24 outside of fixed axle, the position of cardboard 9 is controlled in the lift of roller 25 accessible, cardboard 9 right-hand member fixedly connected with stopper 27, the stopper 27 outside just is located the inside slottedly that sets up of circuit board 1, stopper 27 right-hand member fixedly connected with push rod 29, convenient to use person installs capacitance piece 12 through adjusting push rod 29, cardboard 9 outside just is located stopper 27 left end activity and has been cup jointed spring three 28.
The working principle is as follows: when the capacitor 12 is installed, the push rod 29 is pushed leftwards, the push rod 29 drives the clamping plate 9 to move leftwards along the first sliding rail 8 through the limiting block 27, at this time, the conductive block 11 which drives the capacitor 12 is inserted from the middle of the upper end of the bracket 13 until the bottom end of the conductive block 11 is pushed to the top plate 4 in the fixed box 2 to enable the first spring 5 to generate pretightening force, the push rod 29 is loosened, at this time, the left end in the clamping groove 10 pushes the conductive block 11 rightwards under the condition that the third spring 28 pushes the limiting block 27 rightwards, the upper end of the circuit board 1 and the upper end of the fixed box 2 push the conductive block 11 leftwards, so that the conductive block 11 is fixed, and therefore, the effects of convenient installation and convenient maintenance are achieved, when a short circuit occurs in the circuit, the oil tank in the capacitor 12 can generate high heat, the capacitor 12 can explode along with the rise of the heat, the calcium bicarbonate 14 is filled in the bracket 13 outside the capacitor 12, when the capacitor element 12 is exposed to a short circuit to generate a high temperature, heat is transferred to the calcium bicarbonate 14 through the bracket 13 according to Ca (HCO) under the high temperature condition3)2＝CaCO3↓+CO2↑+H2O principle, water generated inside the stent 13 will generate electricityThe heat generated by the capacitor 12 absorbs a part of the heat, so that the rapid rise of the internal temperature of the capacitor 12 is prevented, meanwhile, carbon dioxide generated by the reaction is transmitted to the gas collecting groove 17 through the guide pipe 15, then the carbon dioxide is guided into the slide rail II 19 from the inside of the gas collecting groove 17 and pushes the slide block 20 downwards, the slide block 20 pushes the push block 23 downwards through the movable rod 21, the push block 23 pushes the roller 25 downwards through the fixed shaft 24, the roller 25 drives the clamping plate 9 to move leftwards through the thrust acting on the inclined surface on the left side of the through hole, at the moment, the clamping plate 9 is separated from the conductive block 11, and under the action of the spring I5 on the elastic sudden change of the top plate 4, the top plate 4 rapidly pushes the conductive block 11 out of the circuit board 1, so that the effect of automatic ejection before the internal explosion of the capacitor caused by the short circuit is achieved, the explosion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A capacitor protection component capable of automatically popping up in emergency comprises a circuit board (1), and is characterized in that: the lower end of the interior of the circuit board (1) is fixedly connected with a fixed box (2) close to the left, a circular groove (3) is arranged in the fixed box (2), a top plate (4) is movably inserted in the circular groove (3), the lower end of the interior of the circuit board (1) is fixedly connected with a control box (7) close to the right, a first sliding rail (8) is arranged in the control box (7), a clamping plate (9) is movably inserted in the first sliding rail (8), a clamping groove (10) is arranged at the upper end of the clamping plate (9) close to the left, a conducting block (11) is movably inserted in the clamping groove (10), a capacitance piece (12) is fixedly connected at the upper end of the conducting block (11), a support (13) is fixedly connected at the upper end of the circuit board (1) close to the left, calcium bicarbonate (14) is filled in the support (13), a guide pipe (15) is fixedly inserted at the, the vertical pot (18) is fixedly connected with the lower end of the sphere (16), a second sliding rail (19) is arranged inside the vertical pot (18), a sliding block (20) is inserted in the second sliding rail (19) in a movable mode, a movable rod (21) is fixedly connected with the lower end of the sliding block (20), a pushing block (23) is fixedly connected with the lower end of the movable rod (21), a limiting block (27) is fixedly connected with the right end of the clamping plate (9), and a third spring (28) is movably sleeved on the outer side of the clamping plate (9) and located at the left end of the.
2. The capacitor protection assembly of claim 1, wherein the capacitor protection assembly automatically pops up in case of emergency, comprises: the lower end of the top plate (4) is located inside the circular groove (3) and is fixedly connected with a first spring (5), and the lower end of the first spring (5) is fixedly connected with a lead (6).
3. The capacitor protection assembly of claim 1, wherein the capacitor protection assembly automatically pops up in case of emergency, comprises: the support (13) is arc-shaped, the radian of the support is matched with the outer side of the capacitor element (12), and a support plate is arranged at the lower end of the support (13).
4. The capacitor protection assembly of claim 1, wherein the capacitor protection assembly automatically pops up in case of emergency, comprises: and a second spring (22) is movably sleeved at the lower end of the sliding block (20) and outside the movable rod (21), and the outer diameter of the second spring (22) is matched with the inner diameter of the second sliding rail (19).
5. The capacitor protection assembly of claim 1, wherein the capacitor protection assembly automatically pops up in case of emergency, comprises: the front end of the push block (23) is fixedly connected with a fixed shaft (24), and the outer side of the fixed shaft (24) is movably sleeved with a roller (25).
6. The capacitor protection assembly of claim 1, wherein the capacitor protection assembly automatically pops up in case of emergency, comprises: the upper end in the middle of the clamping plate (9) is provided with a through hole (26), the left end of the through hole (26) is provided with an inclined plane, and the upper part of the inclined plane is movably connected with the roller (25).
7. The capacitor protection assembly of claim 1, wherein the capacitor protection assembly automatically pops up in case of emergency, comprises: the outside of the limiting block (27) is provided with a groove inside the circuit board (1), and the right end of the limiting block (27) is fixedly connected with a push rod (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011300118.8A CN112467695A (en) | 2020-11-19 | 2020-11-19 | Capacitor protection assembly capable of automatically popping up in emergency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011300118.8A CN112467695A (en) | 2020-11-19 | 2020-11-19 | Capacitor protection assembly capable of automatically popping up in emergency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112467695A true CN112467695A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011300118.8A Withdrawn CN112467695A (en) | 2020-11-19 | 2020-11-19 | Capacitor protection assembly capable of automatically popping up in emergency |
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| CN (1) | CN112467695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258634A (en) * | 2021-04-16 | 2021-08-13 | 郑立臣 | Automatic lithium cell charging seat of outage explosion-proof type |
-
2020
- 2020-11-19 CN CN202011300118.8A patent/CN112467695A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258634A (en) * | 2021-04-16 | 2021-08-13 | 郑立臣 | Automatic lithium cell charging seat of outage explosion-proof type |
| CN113258634B (en) * | 2021-04-16 | 2023-07-04 | 深圳市奔美程科技有限公司 | Automatic outage explosion-proof type lithium battery charging seat |
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Application publication date: 20210309 |