CN116581002B - Circuit breaker with self-closing type door control mechanism - Google Patents
Circuit breaker with self-closing type door control mechanism Download PDFInfo
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- CN116581002B CN116581002B CN202310858725.3A CN202310858725A CN116581002B CN 116581002 B CN116581002 B CN 116581002B CN 202310858725 A CN202310858725 A CN 202310858725A CN 116581002 B CN116581002 B CN 116581002B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 30
- 230000000694 effects Effects 0.000 description 11
- 238000005192 partition Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Classifications
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
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Abstract
The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a self-closing type door control mechanism, which comprises a cabinet body and a normally closed access door arranged on the cabinet body, wherein the self-closing type door control mechanism is arranged between the normally closed access door and the cabinet body and comprises a door control main body, a control rod and a driving piece, one end of the control rod is detachably connected with the normally closed access door, the control rod is used for pushing the normally closed access door after being stretched, the door control main body comprises a cylinder body, a piston and a third spring, the piston divides the cylinder body into a spring cavity and an air cavity, the control rod penetrates through the spring cavity and is connected with the piston, the cylinder body is provided with an air inlet hole and an air outlet hole, the aperture of the air inlet hole is larger than that of the air outlet hole, and the driving piece is an air pump, and the air pump is communicated with the cylinder body through the air inlet hole.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a circuit breaker with a self-closing type gate control mechanism.
Background
The circuit breaker, also called a switch circuit breaker, is mainly used for protecting circuits and equipment, preventing the occurrence of accidents such as burning of the electric equipment and fire disaster caused by overload of circuit faults, and is used as an important protection device in a power system, so that the safe and stable operation of the power system is effectively ensured. Circuit breakers generally include a cabinet, and circuit breaker bodies, operating mechanisms, energy storage mechanisms, electrical connection components, and the like disposed within the cabinet.
In order to facilitate maintenance, the cabinet body of the circuit breaker can be provided with an access door with an electronic lock, and then the electronic lock is controlled by a circuit, so that the access door can be conveniently opened and closed. However, in the actual use process of the circuit breaker, there is a situation that the access door is opened by mistake due to misoperation, and if the staff cannot find the misoperation in time, if the access door of the circuit breaker is opened continuously, a great potential safety hazard exists.
Disclosure of Invention
In order to reduce the potential safety hazard after the access door is automatically opened due to misoperation, the application provides a circuit breaker with a self-closing type door control mechanism.
The invention provides a breaker with a self-closing type gating mechanism, which adopts the following technical scheme:
the circuit breaker with the self-closing type door control mechanism comprises a cabinet body and a normally closed access door arranged on the cabinet body, wherein the self-closing type door control mechanism is arranged between the normally closed access door and the cabinet body and comprises a door control main body, a control rod and a driving piece, the door control main body is arranged on the cabinet body, the control rod is arranged on the door control main body in a telescopic manner, the driving piece is connected with the door control main body and controls the control rod to stretch out and draw back, one end of the control rod is detachably connected with the normally closed access door, and the control rod is used for pushing the normally closed access door after being stretched out;
the door control main body comprises a cylinder body, a piston and a third spring, wherein the piston is movably arranged in the cylinder body, the piston divides the cylinder body into a spring cavity and an air cavity, two ends of the third spring are respectively connected to the inner wall of the spring cavity and the piston, the control rod penetrates through the spring cavity and then is connected with the piston, the cylinder body is provided with an air inlet hole and an air outlet hole, the air inlet hole and the air outlet hole are both communicated with the inside and the outside of the air cavity, and the aperture of the air inlet hole is larger than that of the air outlet hole;
the driving piece is an air pump, and the air pump is communicated with the cylinder body through the air inlet hole.
Preferably, a first elastic clamping mechanism is arranged between the normally closed access door and the cabinet body, the first elastic clamping mechanism comprises a first mounting shell, a first clamping block, a first spring and a clamping ring, the clamping ring is arranged on the normally closed access door, the first mounting shell is arranged on the cabinet body, the first clamping block is movably arranged on the first mounting shell, the first spring is connected between the first clamping block and the first mounting shell, and the first spring enables the first clamping block to be automatically clamped into the clamping ring.
Preferably, a reserve power supply is arranged in the cabinet body, an electromagnet is arranged on the cabinet body and is electrically connected with the reserve power supply, one end, far away from the clamping ring, of the first clamping block is also connected with a magnetic attraction piece, the magnetic attraction piece is oppositely arranged with the electromagnet, and the electromagnet is used for adsorbing the magnetic attraction piece after being electrified so as to separate the first clamping block from the clamping ring.
Preferably, a second elastic clamping mechanism is arranged on the first installation shell, the second elastic clamping mechanism comprises a second installation shell, a second clamping block and a second spring, the second installation shell is arranged on the first installation shell, the first installation shell is mutually communicated with the second installation shell, the second clamping block is movably arranged in the second installation shell, the second spring is connected between the second clamping block and the inner wall of the second installation shell, a clamping hole is formed in the first clamping block, and after the first clamping block is pulled out from the clamping ring, the second clamping block is matched with the clamping hole in a clamping mode under the elastic action of the second spring;
the second clamping block is connected with a push rod, the push rod is located on a moving path of the clamping ring along with the closing of the normally closed access door, and the clamping ring separates the second clamping block from the clamping hole when pushing the push rod.
Preferably, an infrared sensor is arranged on the first mounting shell, an induction area of the infrared sensor is located between the magnetic attraction piece and the gap of the electromagnet, and the infrared sensor is electrically connected with the driving piece.
Preferably, the outer end of the control rod is hinged with a magnet, a magnetic attraction block is movably arranged on the normally closed access door, and the magnet is used for attracting the magnetic attraction block.
Preferably, the air cavity of the cylinder body is connected with an air bag, and a pressure valve is arranged between the air cavity and the air bag.
Preferably, the cabinet body is provided with a vent hole, the cabinet body is provided with an ash blocking plate at the vent hole, the air outlet of the cylinder body is connected with an air outlet pipe, and one end of the air outlet pipe away from the cylinder body faces towards the ash blocking plate.
The beneficial effects of the invention are as follows:
1. through setting up self-closing door control mechanism between the normally closed access door and the cabinet body of circuit breaker, after the normally closed access door is pushed open by the control rod voluntarily owing to the maloperation, under the circumstances that no staff separates normally closed access door and control rod, the normally closed access door can realize self-closing along with the gradual discharge of gas in the cylinder, and self-closing door control mechanism can control the effect that the normally closed access door after the mistake was opened realizes self-closing promptly to reduce the potential safety hazard after leading to the access door to open voluntarily owing to the maloperation.
Drawings
Fig. 1 is a schematic structural view of a circuit breaker with an automatic closing gating mechanism in an embodiment of the present application;
FIG. 2 is a schematic view of the structure of the inside of a normally closed access door in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a first resilient clip mechanism according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of a second resilient clip mechanism according to an embodiment of the present application;
fig. 5 is a schematic structural view of another view of a circuit breaker with an automatic closing gating mechanism in an embodiment of the present application;
FIG. 6 is a cross-sectional view of a self-closing gating mechanism in an embodiment of the present application from a top view;
reference numerals illustrate: 1. a cabinet body; 11. a vent hole; 12. an ash blocking plate; 13. an air outlet pipe; 2. a normally closed access door; 21. a handle; 22. a clamping ring; 23. a magnetic suction block; 24. a return spring; 3. a first mounting case; 31. a first movable chamber; 32. a first clamping block; 321. a clamping hole; 33. a magnetic attraction piece; 34. an infrared sensor; 4. a mounting groove; 41. a first connection plate; 42. a second connecting plate; 51. a first spring; 52. a second spring; 53. a third spring; 61. a first protective cover; 62. a second protective cover; 7. a second mounting case; 71. a second movable chamber; 72. a second clamping block; 73. a push rod; 8. a cylinder; 81. a piston; 82. a spring cavity; 83. an air cavity; 84. a control lever; 85. a magnet; 86. an air inlet hole; 87. an air outlet hole; 88. abutting the column; 89. a partition board.
Detailed Description
The invention will be further described with reference to figures 1-6 and examples.
The embodiment discloses a circuit breaker with a self-closing type gating mechanism.
Referring to fig. 1, a circuit breaker with a self-closing type door control mechanism comprises a cabinet body 1 and a normally closed access door 2 arranged on the cabinet body 1, wherein a circuit breaker main body, an operating mechanism, an energy storage mechanism, an electric connection component and other components of the circuit breaker are all arranged in the cabinet body 1, in the embodiment, the cabinet body 1 is in a rectangular cabinet shape, and the height dimension of the cabinet body is larger than the length and width dimension of the cabinet body. The normally closed access door 2 is hinged on the front surface of the cabinet body 1, and the normally closed access door 2 is in a closed state in a normal state. Further, be provided with reserve power supply in the cabinet body 1, in this embodiment, reserve power supply is a chargeable and dischargeable battery, normally closed access door 2 utilizes reserve power supply's electric energy to open the door, normally closed access door 2's outside still is provided with handle 21, handle 21's setting is convenient for staff's manual operation normally closed access door 2, through setting up normally closed access door 2 and being used for opening normally closed access door 2's reserve power supply on the cabinet body 1, when the circuit breaker needs to be overhauld, utilize reserve power supply can conveniently open normally closed access door 2 fast, reach the effect that conveniently overhauld the circuit breaker, after the circuit breaker has been overhauld, utilize normally closed effect of normally closed access door 2, can prevent that the access door from easily opening, thereby guarantee the security of circuit breaker better. In addition, still be provided with reactive power compensator in the cabinet body 1, circuit breaker body, reserve power and reactive power compensator are connected in same circuit, and reactive power compensator can reduce the electric energy loss in the circuit to improve the utilization efficiency of reserve power to the electric energy in the circuit, reach energy-concerving and environment-protective effect.
Referring to fig. 1 to 3, a first elastic clamping mechanism is provided between the normally closed access door 2 and the cabinet body 1, the first elastic clamping mechanism includes a first installation shell 3, a first clamping block 32, a first spring 51 and a clamping ring 22, wherein the clamping ring 22 is disposed at the inner side of the normally closed access door 2, and the clamping ring 22 and the handle 21 are disposed at the inner and outer sides of the normally closed access door 2 in a mutually deviating manner. The first installation shell 3 is arranged on the cabinet body 1, and when the normally closed access door 2 is closed, the first installation shell 3 and the clamping ring 22 are adjacently distributed. The first movable cavity 31 is formed in the first installation shell 3, the first movable cavity 31 is rectangular, and one end of the first installation shell 3, which faces the clamping ring 22, is penetrated by the first movable cavity 31 to form a telescopic hole. The first clamping block 32 is rectangular block-shaped, and the first clamping block 32 is movably arranged in the first movable cavity 31 of the first installation shell 3, so that the first clamping block 32 can stretch towards the clamping ring 22 at the stretch hole. The first spring 51 is connected between the first clip 32 and the first mounting case 3, and the purpose of the first spring 51 is to: the first spring 51 can make the automatic card of first fixture block 32 go into joint ring 22 in, in order to realize this effect, mounting groove 4 has been seted up at the top and the bottom of first installation shell 3, mounting groove 4 communicates the outside of first movable chamber 31 and first installation shell 3 of first installation shell 3, the length direction of mounting groove 4 is parallel to the length direction of first movable chamber 31 in the first installation shell 3, further, be provided with first connecting plate 41 on the first fixture block 32, one side inner wall of mounting groove 4 is provided with the second connecting plate 42, first connecting plate 41 and second connecting plate 42 set up relatively along the length direction of mounting groove 4, first spring 51 then connects between first connecting plate 41 and second connecting plate 42, when first fixture block 32 moves to the direction of keeping away from joint ring 22, first connecting plate 41 will be driven to first spring 51 to compress, afterwards, under the reaction force of first spring 51, first spring 51 can make first fixture block 32 automatic card go into joint ring 22, when first fixture block 32 card income joint ring 22 normally closed, normally closed state that realizes the access door 2 promptly. In addition, in order to protect the first spring 51, the top and bottom of the first mounting case 3 are further provided with a first protection cover 61, and the protection effect of the first spring 51 is achieved by covering the first protection cover 61 on the first spring 51.
Referring to fig. 1 to 3, an electromagnet is provided on the cabinet 1, and is electrically connected with a reserve power supply, and when the normally closed access door 2 is closed, the electromagnet and the clamping ring 22 are respectively located at opposite sides of the first installation housing 3. The cabinet body 1 is also provided with a second protective cover 62 at the position where the electromagnet is arranged, and the protective effect on the electromagnet is achieved by covering the electromagnet with the second protective cover 62. The one end that joint ring 22 was kept away from to first fixture block 32 still fixedly connected with magnetism is inhaled piece 33, and magnetism is inhaled piece 33 and the relative setting of electro-magnet, and in this embodiment, magnetism is inhaled piece 33 and is the iron sheet, has magnetism after the electro-magnet circular telegram for the electro-magnet can inhale piece 33 after circular telegram and adsorb, thereby pulls out first fixture block 32 from joint ring 22, in order to separate first fixture block 32 and joint ring 22. Therefore, by arranging the electromagnet and the magnetic attraction piece 33, the normally closed access door 2 can be quickly unlocked in a power-on mode, and the effect of quickly opening the door is achieved. In addition, in order to improve the magnetic attraction effect between the electromagnet and the magnetic attraction piece 33, the first movable cavity 31 of the first mounting case 3 is provided with a through hole on an inner wall of one end close to the electromagnet, so that the magnetic attraction effect between the electromagnet and the magnetic attraction piece 33 is improved by reducing physical obstruction between the electromagnet and the magnetic attraction piece 33.
Referring to fig. 1 to 4, a second elastic clamping mechanism is provided on the first installation shell 3, the second elastic clamping mechanism comprises a second installation shell 7, a second clamping block 72 and a second spring 52, the second installation shell 7 is fixedly arranged on the outer side wall of the first installation shell 3, a second movable cavity 71 is provided in the second installation shell 7, and the first movable cavity 31 of the first installation shell 3 and the second movable cavity 71 of the second installation shell 7 are mutually communicated. The second clamping block 72 is movably arranged in the second movable cavity 71 of the second installation shell 7, the second spring 52 is connected between the second clamping block 72 and the inner wall of the second installation shell 7, the first clamping block 32 is provided with a clamping hole 321, and when the first clamping block 32 is pulled out from the clamping ring 22, the second clamping block 72 is matched with the clamping hole 321 in a clamping mode. Through setting up second elasticity joint mechanism, after the electro-magnet circular telegram makes first elasticity joint mechanism release the joint state, second elasticity joint structure can make first elasticity joint mechanism keep under the state of releasing the joint steadily, and need not the electro-magnet and keep the circular telegram continually, further reaches energy-conserving effect.
Referring to fig. 1 to 4, the second clamping block 72 is fixedly connected with a push rod 73, one end of the push rod 73 away from the second clamping block 72 is located on the moving path of the clamping ring 22 when the normally closed access door 2 is closed, and the purpose of the push rod 73 is that: when the normally closed access door 2 is closed, the latch ring 22 can push the push rod 73 to separate the second latch block 72 from the latch hole 321, so that the first latch block 32 of the first elastic latch structure pops up again to be able to restore the normally closed access door 2 to the normally closed state again. Correspondingly, the second installation shell 7 is provided with an avoidance groove for the push rod 73 to move.
Referring to fig. 5 and 6, a self-closing door control mechanism is provided between the normally closed access door 2 and the cabinet body 1, the self-closing door control mechanism includes a door control main body, a control rod 84 and a driving member, the door control main body is arranged on the cabinet body 1, the control rod 84 is telescopically arranged on the door control main body, the driving member is connected with the door control main body and controls the control rod 84 to be telescopically arranged, one end of the control rod 84 is detachably connected with the normally closed access door 2, and the control rod 84 is used for pushing the normally closed access door 2 after being elongated. Through setting up self-closing type door control mechanism, after first elasticity joint mechanism releases the joint state, the driving piece can drive control lever 84 in order to push open normally closed access door 2, on the one hand, can remind staff normally closed access door 2 more directly perceivedly through above-mentioned setting and open, on the other hand, can separate joint ring 22 and push rod 73 through above-mentioned setting to the first fixture block 32 after the second elasticity joint mechanism will unblock carries out the joint.
Referring to fig. 3 and 5, an infrared sensor 34 is provided on the first installation housing 3, an induction area of the infrared sensor 34 is located between the magnetic attraction sheet 33 and the gap of the electromagnet, the infrared sensor 34 is electrically connected with the driving member through the controller, and by providing the infrared sensor 34, the driving member of the self-closing door control mechanism can achieve the effect of quick response at the moment when the normally closed access door 2 is opened, thereby quickly pushing open the normally closed access door 2 while unlocking the normally closed access door 2.
Referring to fig. 5, a magnet 85 is hinged to the outer end of the control lever 84, a hinge shaft of the magnet 85 is parallel to a hinge shaft of the normally closed access door 2, an abutting plate is fixedly arranged at the top of the normally closed access door 2, and a magnetic attraction block 23 is slidably arranged on the inner side of the abutting plate along the horizontal direction, and in this embodiment, the magnetic attraction block 23 is an iron block, and the magnet 85 is used for attracting the magnetic attraction block 23. Through the above arrangement, when the control lever 84 pushes open the normally-closed access door 2 in a state that the magnet 85 and the magnet 23 are attracted to each other, the control lever 84 can control the normally-closed access door 2 to keep a small opening angle, preventing the normally-closed access door 2 from being excessively opened to cause a collision or the like, and at this time, a worker can separate the magnet 85 and the magnet 23 by pulling the normally-closed access door 2 again, thereby manually opening the normally-closed access door 2 completely. In addition, in order to smoothly adsorb the magnet 23 again when the normally closed access door 2 is closed, the magnet 23 is connected with the return spring 24, and the return spring 24 enables the magnet 23 to automatically reset through elastic force, so that the magnet 85 can adsorb the magnet 23 again when the normally closed access door 2 is closed.
Referring to fig. 5 and 6, the door control main body comprises a cylinder 8, a piston 81 and a third spring 53, wherein the piston 81 is movably arranged in the cylinder 8, the piston 81 divides the cylinder 8 into a spring cavity 82 and a gas cavity 83, two ends of the third spring 53 are respectively connected to the inner wall of the spring cavity 82 and the piston 81, the inner end of a control rod 84 is fixedly connected with the piston 81 after passing through the spring cavity 82, further, an air inlet hole 86 and an air outlet hole 87 are respectively formed in two opposite side walls of the cylinder 8, the air inlet hole 86 and the air outlet hole 87 are both communicated with the inside and the outside of the gas cavity 83, and the aperture of the air inlet hole 86 is larger than that of the air outlet hole 87. In this embodiment, the driving member is an air pump, the air pump is disposed in the cabinet 1, and the air pump is communicated with the cylinder 8 through the air inlet hole 86. Through the arrangement, the complete control process of the self-closing type door control mechanism to the normally closed access door 2 is as follows: when the normally closed access door 2 is unlocked, the air pump charges air into the air cavity 83 of the cylinder 8 through the air inlet hole 86, and the size of the air inlet hole 86 is larger than that of the air outlet hole 87, so that the air in the air cavity 83 is gradually increased, and under the action of the air pressure of the air cavity 83, the piston 81 compresses the third spring 53, so that the control rod 84 is driven to push the normally closed access door 2 open; after the inflation is finished, the piston 81 will gradually reset under the elastic restoring force of the third spring 53, and if the normally closed access door 2 is pushed open continuously without further pulling action of the staff, the normally closed access door 2 will be closed again along with the reset of the piston 81 and the control rod 84, so that the safety is improved. During the return of the piston 81, the volume of the air chamber 83 will gradually decrease and the excess air will be slowly discharged through the air outlet hole 87 until the return of the shape of the third spring 53 is completed.
Referring to fig. 6, in order to avoid the third spring 53 being excessively compressed, an abutment post 88 is further provided on the inner wall of the spring chamber 82 on the side far from the piston 81, and the third spring 53 cannot be continuously compressed forward after the piston 81 contacts the abutment post 88, so that damage to the third spring 53 due to excessive compression is avoided.
Referring to fig. 6, a partition plate 89 is further disposed in the air chamber 83, and the partition plate 89 separates the air chamber 83 into an air inlet chamber and an air outlet chamber after abutting against the piston 81, the air inlet hole 86 is located in the air inlet chamber, and the air outlet hole 87 is located in the air outlet chamber. By providing the partition 89, when the air pump inflates into the air chamber 83 through the air inlet hole 86, the piston 81 can have a faster response speed because the partition 89 insulates the air inlet hole 86 from the air outlet hole 87, thereby accelerating the action of the control lever 84 pushing open the normally closed access door 2.
Referring to fig. 5, a vent hole 11 is formed in a side wall of the cabinet 1, and the vent hole 11 can perform a heat dissipation function on one hand and can better balance the internal and external air pressure of the cabinet 1 on the other hand. The cabinet 1 is provided with an ash blocking plate 12 at the vent hole 11, the ash blocking plate 12 being arranged to block a substantial part of the dust from entering the cabinet 1 through the vent hole 11. With reference to fig. 6, further, the air outlet of the cylinder 8 is connected with an air outlet pipe 13, one end of the air outlet pipe 13 away from the cylinder 8 faces the ash baffle 12, and through the design, the air exhausted by the air cavity 83 of the cylinder 8 can also play a role in soot blowing and cleaning on the ash baffle 12 of the vent hole.
In the rest of the embodiments, the air cavity 83 of the cylinder 8 is also connected with an air bag, a pressure valve is arranged between the air cavity 83 and the air bag, and the purpose of arranging the air bag and the pressure valve is as follows: when the normally closed access door 2 cannot be pushed open by the control rod 84 due to faults, if the air pump still charges air into the air cavity 83 at the moment, the air pressure in the air cavity 83 can be gradually increased, and when the air pressure in the air cavity 83 is increased to the opening threshold value of the pressure valve, the pressure valve is opened, so that the air in the air cavity 83 enters the air bag, the damage of the cylinder body 8 caused by the overlarge air pressure in the air cavity 83 is avoided, and the use safety of the cylinder body 8 when the normally closed access door 2 cannot be opened due to faults is improved.
The foregoing are preferred embodiments of the present invention, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. A breaker with a self-closing type door control mechanism is characterized in that: the automatic control device comprises a cabinet body (1) and a normally closed access door (2) arranged on the cabinet body (1), wherein an automatic closing type door control mechanism is arranged between the normally closed access door (2) and the cabinet body (1), the automatic closing type door control mechanism comprises a door control main body, a control rod (84) and a driving piece, the door control main body is arranged on the cabinet body (1), the control rod (84) is arranged on the door control main body in a telescopic manner, the driving piece is connected with the door control main body and controls the control rod (84) to stretch out and draw back, one end of the control rod (84) is detachably connected with the normally closed access door (2), and the control rod (84) is used for pushing away the normally closed access door (2) after being stretched out;
the door control main body comprises a cylinder body (8), a piston (81) and a third spring (53), wherein the piston (81) is movably arranged in the cylinder body (8), the piston (81) divides the cylinder body (8) into a spring cavity (82) and an air cavity (83), two ends of the third spring (53) are respectively connected to the inner wall of the spring cavity (82) and the piston (81), a control rod (84) penetrates through the spring cavity (82) and then is connected with the piston (81), the control rod (84) penetrates through the third spring (53) in the spring cavity (82), an air inlet hole (86) and an air outlet hole (87) are formed in the cylinder body (8), the air inlet hole (86) and the air outlet hole (87) are both communicated with the inside and the outside of the air cavity (83), and the aperture of the air inlet hole (86) is larger than that of the air outlet hole (87);
the driving piece is an air pump, and the air pump is communicated with the cylinder body (8) through the air inlet hole (86);
a first elastic clamping mechanism is arranged between the normally closed access door (2) and the cabinet body (1), the first elastic clamping mechanism comprises a first mounting shell (3), a first clamping block (32), a first spring (51) and a clamping ring (22), the clamping ring (22) is arranged on the normally closed access door (2), the first mounting shell (3) is arranged on the cabinet body (1), the first clamping block (32) is movably arranged on the first mounting shell (3), the first spring (51) is connected between the first clamping block (32) and the first mounting shell (3), and the first spring (51) enables the first clamping block (32) to be automatically clamped into the clamping ring (22);
the novel intelligent cabinet temperature control device is characterized in that a reserve power supply is arranged in the cabinet body, an electromagnet is arranged on the cabinet body (1), the electromagnet is electrically connected with the reserve power supply, one end, far away from the clamping ring (22), of the first clamping block (32) is also connected with a magnetic attraction piece (33), the magnetic attraction piece (33) is arranged opposite to the electromagnet, and the electromagnet is used for adsorbing the magnetic attraction piece (33) after being electrified so as to separate the first clamping block (32) from the clamping ring (22);
the first mounting shell (3) is provided with a second elastic clamping mechanism, the second elastic clamping mechanism comprises a second mounting shell (7), a second clamping block (72) and a second spring (52), the second mounting shell (7) is arranged on the first mounting shell (3), the first mounting shell (3) is communicated with the second mounting shell (7), the second clamping block (72) is movably arranged in the second mounting shell (7), the second spring (52) is connected between the second clamping block (72) and the inner wall of the second mounting shell (7), a clamping hole (321) is formed in the first clamping block (32), and after the first clamping block (32) is pulled out from the clamping ring (22), the second clamping block (72) is clamped and matched with the clamping hole (321) under the elastic action of the second spring (52);
the second clamping block (72) is connected with a push rod (73), the push rod (73) is located on a moving path of the clamping ring (22) along with the closing of the normally closed access door (2), and the clamping ring (22) separates the second clamping block (72) from the clamping hole (321) when pushing the push rod (73).
2. The circuit breaker with self-closing gating mechanism of claim 1, wherein: an infrared sensor (34) is arranged on the first mounting shell (3), an induction area of the infrared sensor (34) is located between the magnetic attraction piece (33) and the gap of the electromagnet, and the infrared sensor (34) is electrically connected with the driving piece.
3. The circuit breaker with self-closing gating mechanism of claim 1, wherein: the outer end of the control rod (84) is hinged with a magnet (85), a magnetic attraction block (23) is movably arranged on the normally closed access door (2), and the magnet (85) is used for adsorbing the magnetic attraction block (23).
4. The circuit breaker with self-closing gating mechanism of claim 1, wherein: an air cavity (83) of the cylinder body (8) is connected with an air bag, and a pressure valve is arranged between the air cavity (83) and the air bag.
5. The circuit breaker with self-closing gating mechanism of claim 1, wherein: the novel dust collector is characterized in that the cabinet body (1) is provided with a vent hole (11), the cabinet body (1) is provided with a dust blocking plate (12) at the vent hole (11), an air outlet pipe (13) is connected with an air outlet of the cylinder body (8), and one end, far away from the cylinder body (8), of the air outlet pipe (13) faces the dust blocking plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310858725.3A CN116581002B (en) | 2023-07-13 | 2023-07-13 | Circuit breaker with self-closing type door control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310858725.3A CN116581002B (en) | 2023-07-13 | 2023-07-13 | Circuit breaker with self-closing type door control mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116581002A CN116581002A (en) | 2023-08-11 |
| CN116581002B true CN116581002B (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310858725.3A Active CN116581002B (en) | 2023-07-13 | 2023-07-13 | Circuit breaker with self-closing type door control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116581002B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110087155A (en) * | 2010-01-25 | 2011-08-02 | 엘에스산전 주식회사 | Handle door apparatus for circuit breaker interlocking with switchgear door |
| CN214506113U (en) * | 2021-01-25 | 2021-10-26 | 唐山市同润电力设备有限公司 | Safe type switch board based on overhaul outage |
| CN216850861U (en) * | 2022-01-12 | 2022-06-28 | 希格玛电气(珠海)有限公司 | Intelligent feeder terminal for power distribution |
| CN115324461A (en) * | 2022-04-06 | 2022-11-11 | 河南工大设计研究院 | Automatic charging and discharging sealing door and window for opening and closing warehouse |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6675535B2 (en) * | 2000-12-22 | 2004-01-13 | Richard Armstrong | Remote control door operating and coupling assembly |
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- 2023-07-13 CN CN202310858725.3A patent/CN116581002B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110087155A (en) * | 2010-01-25 | 2011-08-02 | 엘에스산전 주식회사 | Handle door apparatus for circuit breaker interlocking with switchgear door |
| CN214506113U (en) * | 2021-01-25 | 2021-10-26 | 唐山市同润电力设备有限公司 | Safe type switch board based on overhaul outage |
| CN216850861U (en) * | 2022-01-12 | 2022-06-28 | 希格玛电气(珠海)有限公司 | Intelligent feeder terminal for power distribution |
| CN115324461A (en) * | 2022-04-06 | 2022-11-11 | 河南工大设计研究院 | Automatic charging and discharging sealing door and window for opening and closing warehouse |
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| Publication number | Publication date |
|---|---|
| CN116581002A (en) | 2023-08-11 |
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