CN109066362A - A kind of power distribution cabinet and its application method - Google Patents
A kind of power distribution cabinet and its application method Download PDFInfo
- Publication number
- CN109066362A CN109066362A CN201811069888.9A CN201811069888A CN109066362A CN 109066362 A CN109066362 A CN 109066362A CN 201811069888 A CN201811069888 A CN 201811069888A CN 109066362 A CN109066362 A CN 109066362A
- Authority
- CN
- China
- Prior art keywords
- cabinet door
- lock pin
- lock
- power distribution
- outer housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention proposes a kind of power distribution cabinets, including the lock on the lock pin and the second cabinet door in the first cabinet door, it further include in the outer housing in the first cabinet door, the sliding shell of the upper opening that is slidably connected in outer housing setting, outer housing inner surface covering opening corresponding to sliding shell upper opening makes to slide shell with an enclosure space, enclosure space is provided with magnetorheological fluid, enclosure space slides up and down one pressing plate of connection, pressing plate is equipped with several through-holes, the upper surface of pressing plate is hinged with connecting rod, the upper end of connecting rod is articulated with outer housing inner surface, it slides and fixes lock pin on a lateral wall of shell, the free end of lock pin may pass through the hole being set on outer housing, it slides and fixes a handle on another lateral wall of shell, the free end of handle may pass through another hole being set on outer housing；It further include the coil being electrically connected with power distribution cabinet electric elements, the position of coil is corresponding with the position of magnetorheological fluid after lock pin insertion lock.It can determine whether power distribution cabinet is powered by pulling the handle.
Description
Technical field
The present invention relates to electrical equipment technical fields, more particularly, to a kind of highly-safe power distribution cabinet and its user
Method.
Background technique
Power distribution cabinet is all to lock cabinet door with the padlock being arranged in cabinet door in the normal state.It is carried out when to power distribution cabinet
When maintenance and inspection, need to unlock to open cabinet door, to guarantee personnel safety, it is necessary to power supply is first disconnected, then unlocks opening cabinet door, but
It is to forget that the phenomenon that power-off is with regard to carrying out operation is commonplace.Once forgetting to power off, also it is to show power distribution cabinet without any display
It is no power-off to remind operator, operator once easily opens padlock, can have the following problems: do not know whether
Cabinet door is easily opened under power blackout situation, there can be very big security risk.
Those skilled in the art should know, magnetorheological fluid is that one kind by RabinowJ invention in 1948 is novel can
Intellectual material is controlled, is mainly mixed by high magnetic permeability, low hysteresis small soft magnetic particles and non-magnetic liquid.Magnetic
Rheology liquid can be become having certain shear yield strength from fluid state in moment (in the Millisecond time) under magnetic fields
Plastic solid, and magnetic field is once cancelled, magnetorheological fluid can be promptly restored to fluid state again, application No. is
In a kind of 201710239622.3 Chinese patent " mobile cushioning door based on magnetic rheology effect ", to the original of fluid application
Reason is made that detailed statement, and Rheologic is swift in response, significant effect, low energy consumption, thermal adaptability is strong.
Therefore above-mentioned magnetorheological fluid can be used for the safety locking pin of distribution cabinet door can judge by how providing one kind
Whether power off and then the safety locking pin of operator's safety is protected to become in order to which those skilled in the art's technology urgently to be solved is asked
Topic.
Summary of the invention
The present invention proposes a kind of distribution cabinet door safety locking pin.
The technical scheme of the present invention is realized as follows:
A kind of power distribution cabinet including the lock pin being installed in the first cabinet door of power distribution cabinet and is installed in the second cabinet door of power distribution cabinet
Lock corresponding with the lock pin, first cabinet door and second cabinet door are correspondingly arranged；
It further include the outer housing being fixed in first cabinet door, the upper opening that is slidably connected in outer housing setting
Sliding shell, the outer housing inner surface covering opening corresponding to the sliding shell upper opening makes sliding shell tool
There is an enclosure space, the enclosure space is provided with magnetorheological fluid, and the enclosure space slides up and down one pressing plate of connection, the pressure
Plate is equipped with several through-holes through the pressing plate upper and lower surface, and the upper surface of the pressing plate is hinged with connecting rod, the connecting rod
Upper end is articulated with the inner surface of the outer housing, fixes the lock on the lateral wall of the sliding shell of second cabinet door
Pin, the free end of the lock pin may pass through the hole for being set to the outer housing on the first side wall of second cabinet door, far
It is fixedly connected with a handle on lateral wall from the sliding shell of second cabinet door, the free end of the handle may pass through setting
Hole in second sidewall of the outer housing far from second cabinet door；
It further include being fixed on the coil being electrically connected on the inside of first cabinet door and with the electric elements in power distribution cabinet, the line
The position of the magnetorheological fluid of the position of circle after being inserted into the lock with the lock pin in the sliding shell is corresponding.
Preferably, further including padlock, the lock pin passes through the buttonhole of the lock, and the padlock is placed on the lock pin
To lock first cabinet door and second cabinet door.
Preferably, the input terminal of the coil is electrically connected with the power input of the electric elements, the coil
Output end is electrically connected after connecting with a resistance with the power output end of the electric elements.
Preferably, the shape of the outer housing is rendered as square box shape, the shape of the sliding shell is rendered as the side of uncovered
It is box-like.
The present invention also provides a kind of application method of power distribution cabinet, including safety locking pin, the lock pin includes being installed on to match
Lock pin in the first cabinet door of electric cabinet and the lock corresponding with the lock pin being installed in the second cabinet door of power distribution cabinet, described first
Cabinet door and second cabinet door are correspondingly arranged, and are further included the outer housing being fixed in first cabinet door, are slided in the outer housing
The sliding shell of dynamic connection one upper opening setting, the outer housing inner surface corresponding to the sliding shell upper opening cover institute
Stating opening makes the sliding shell have an enclosure space, and the enclosure space is provided with magnetorheological fluid, above and below the enclosure space
Be slidably connected a pressing plate, and the pressing plate is equipped with several through-holes through the pressing plate upper and lower surface, the upper surface of the pressing plate
It is hinged with connecting rod, the upper end of the connecting rod is articulated with the inner surface of the outer housing, close to the sliding of second cabinet door
The lock pin is fixed on the lateral wall of shell, the free end of the lock pin, which may pass through, is set to the outer housing close to second cabinet
Door the first side wall on hole, far from second cabinet door the sliding shell lateral wall on be fixedly connected with a handle, it is described
The free end of handle may pass through the hole being set in second sidewall of the outer housing far from second cabinet door, further include fixing
The coil being electrically connected on the inside of first cabinet door and with the electric elements in power distribution cabinet, the position of the coil and the lock pin
The position for sliding the magnetorheological fluid in shell is corresponding after being inserted into the lock,
Under first cabinet door and the second cabinet door closed state, when the power distribution cabinet even electricity work, electric elements
It is powered on coil, coil can generate high-intensity magnetic field, and the magnetorheological fluid can be in moment by fluid state under magnetic fields
Become the Bingham fluid with certain shear yield strength, has bigger viscosity, the pressing plate and the connecting rod are by the magnetic
Rheology liquid formed Bingham fluid envelope, at this time the Bingham fluid form of the magnetorheological fluid can to the pressing plate formed compared with
Big barrier force, when pulling the sliding shell by the handle, the more difficult movement of the sliding shell, so that the lock pin be made to be difficult to
It extracts, it can be assumed that the power distribution cabinet does not power off；
When power distribution cabinet power-off, electric elements and coil are powered off, and magnetic field disappears, and the magnetorheological fluid again can be rapidly
It is restored to Newtonian fluid state, when pulling the sliding shell by the handle, the pressing plate is under the action of the connecting rod
Move up, the magnetorheological fluid from the through-hole on the pressing plate to flowing down, at this time the lock pin can it is very fast from
It is extracted in the lock, so as to open power distribution cabinet, the electricity it can be assumed that power distribution cabinet has broken.
Preferably, the lock pin further includes padlock, the lock pin passes through the buttonhole of the lock, and the padlock is placed in institute
It states to lock first cabinet door and second cabinet door on lock pin,
When closing first cabinet door and second cabinet door, after the keyhole that the lock pin is passed through to the lock, institute is used
Padlock is stated to be placed on the lock pin to lock distribution cabinet door.
The present invention has following technical effect that
1, when in use, electric elements even electricity work, coil is also powered can generate high-intensity magnetic field, magnetorheological fluid to the power distribution cabinet
The Bingham fluid with certain shear yield strength can be become from fluid state in moment under magnetic fields, there is bigger glue
Degree, pressing plate and connecting rod are enveloped by the Bingham fluid that magnetorheological fluid is formed, and the Bingham fluid form of magnetorheological fluid can be right at this time
Pressing plate forms biggish barrier force, when pulling sliding shell by handle, slides the more difficult movement of shell, so that lock pin is made to be difficult to extract,
It can be assumed that power distribution cabinet does not power off；When electric elements power-off, magnetic field disappears, and magnetorheological fluid can be promptly restored to Newtonian fluid again
State, when pulling sliding shell by handle, pressing plate moves up under the action of connecting rod, and magnetorheological fluid is from the through-hole on pressing plate
Middle to flowing down, lock pin very fast can be obtained and be extracted from lock at this time, so as to open power distribution cabinet, it can be assumed that power distribution cabinet is disconnected
Electricity.
Due to coil and electric elements power on/off simultaneously.During coil power on/off, magnetorheological fluid is from Bingham fluid shape
State can be judged to Newtonian fluid state by the pulling difficulty of handle come the on/off electricity to electric elements, with protection
The safety of maintenance personal.
It 2, further include padlock, for lockking power distribution cabinet, to prevent irrelevant personnel from opening distribution cabinet door easily.
3, outer housing is shaped to square box shape, and the shape for sliding shell is the square box shape of uncovered, and the shape and structure is simple,
It is easy batch machining.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is structural representation when a kind of a kind of lock pin of specific embodiment of power distribution cabinet provided by the present invention is opened
Figure；
Structure when Fig. 2 is a kind of a kind of lock pin insertion lock of specific embodiment of power distribution cabinet provided by the present invention
Schematic diagram；
Fig. 3 is the coil signal on a kind of cabinet door inner wall of a kind of specific embodiment of power distribution cabinet provided by the present invention
Figure；
Fig. 4 is a kind of bottom view of the pressing plate of a kind of specific embodiment of power distribution cabinet provided by the present invention；
Fig. 5 is a kind of a kind of coil of specific embodiment of power distribution cabinet, resistance and electric appliance member provided by the present invention
The electrical connection schematic diagram of part；
In figure: 1 first cabinet door, 2 lock pins, 3 second cabinet doors, 4 locks, 5 outer housings, 6 sliding shells, 7 enclosure spaces, 8 magnetic currents
Become liquid, 9 pressing plates, 10 through-holes, 11 connecting rods, 12 handles, 13 electric elements, 14 coils, 15 padlocks, 16 resistance.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-5, Fig. 1 is that a kind of a kind of lock pin of specific embodiment of power distribution cabinet provided by the present invention is opened
When structural schematic diagram；Fig. 2 is that a kind of a kind of lock pin of specific embodiment of power distribution cabinet provided by the present invention is inserted into lock
When structural schematic diagram；Fig. 3 is on a kind of cabinet door inner wall of a kind of specific embodiment of power distribution cabinet provided by the present invention
Coil schematic diagram；Fig. 4 is a kind of bottom view of the pressing plate of a kind of specific embodiment of power distribution cabinet provided by the present invention；Fig. 5
For a kind of electrical connection of the coil, resistance and electric elements of a kind of specific embodiment of power distribution cabinet provided by the present invention
Schematic diagram.
In a kind of specific embodiment, as shown in Figs. 1-5, a kind of power distribution cabinet, including be installed in the first cabinet door of power distribution cabinet 1
Lock pin 2 and be installed in the second cabinet door of power distribution cabinet 3 it is corresponding with lock pin 2 lock 4, the first cabinet door 1 and the second cabinet door 3 are right
It should be arranged；The insertion of lock pin 2 lock 4 can close the first cabinet door 1 and the second cabinet door 3.
It as shown in Figs. 1-2, further include the outer housing 5 being fixed in the first cabinet door 1, be slidably connected a top in outer housing 5
Be open the sliding shell 6 being arranged, and sliding shell 6 can horizontally slip in outer housing 5, slides the cooperation side between shell 6 and outer housing 5
Formula is similar to piston and slides in the sealing of sleeve inner.Wherein, 5 inner surface of outer housing corresponding to sliding 6 upper opening of shell covers
Cover gab makes to slide shell 6 with an enclosure space 7, and enclosure space 7 is provided with magnetorheological fluid 8, and magnetorheological fluid 8 is placed in closing sky
Between in 7, will not flow in the inner cavity of outer housing 5.Enclosure space 7 slides up and down one pressing plate 9 of connection, and pressing plate 9, which is equipped with, to be run through
Several through-holes 10 of 9 upper and lower surface of pressing plate, the upper surface of pressing plate 9 are hinged with connecting rod 11, and the upper end of connecting rod 11 is articulated with outer housing 5
Inner surface, close to the second cabinet door 3 sliding shell 6 lateral wall on fix lock pin 2, the free end of lock pin 2, which may pass through, to be set to
Hole of the outer housing 5 on the first side wall of the second cabinet door 3, and then it is inserted into lock 4, outside the sliding shell 6 far from the second cabinet door 3
A handle 12 is fixedly connected on side wall, the free end of handle 12, which may pass through, is set to the second side of outer housing 5 far from the second cabinet door 3
Hole on wall.It further include the coil 14 for being fixed on 1 inside of the first cabinet door and being electrically connected with the electric elements 13 in power distribution cabinet, coil
The position of magnetorheological fluid 8 slided in shell 6 behind 14 position and the insertion of lock pin 2 lock 4 is corresponding.
For the power distribution cabinet in even electricity in use, electric elements 13 are even electric, the energization of coil 14 can generate high-intensity magnetic field, magnetorheological fluid
8 can become the Bingham fluid with certain shear yield strength from fluid state in moment under magnetic fields, have bigger
Viscosity, pressing plate 9 are enveloped with connecting rod 11 by the Bingham fluid that magnetorheological fluid 8 is formed, at this time the Bingham fluid form of magnetorheological fluid 8
Biggish barrier force can be formed to pressing plate 9, when pulling sliding shell 6 by handle 12, the more difficult movement of shell 6 be slided, to make to lock
Pin 2 is difficult to extract, it can be assumed that the power distribution cabinet does not power off；When power distribution cabinet power-off, electric elements 13 and coil 14 are equal
Power-off, magnetic field disappear, and magnetorheological fluid 8 can be promptly restored to Newtonian fluid state again, when pulling sliding shell 6 by handle 12,
Pressing plate 9 moves up under the action of connecting rod 11, magnetorheological fluid 8 from the through-hole 10 on pressing plate 9 to flowing down, 2 energy of lock pin at this time
It is enough so very fast that be extracted from lock 4, so as to open power distribution cabinet, the electricity it can be assumed that power distribution cabinet has broken.
Due to coil 14 and electric elements 13 power on/off simultaneously.During 14 power on/off of coil, magnetorheological fluid 8 is from Ben-Hur
Fluid state can be sentenced to Newtonian fluid state by the pulling difficulty of handle 12 come the on/off electricity to electric elements 13
It is disconnected, to protect the safety of maintenance personal.
It further include padlock 15 as shown in Figs. 1-5, lock pin 2 passes through the buttonhole of lock 4, and padlock is set in the specific embodiment
In on lock pin 2 to lock the first cabinet door 1 and the second cabinet door 3.Padlock 15, for lockking power distribution cabinet, to prevent irrelevant personnel easily
Open distribution cabinet door.
Further, in the specific embodiment, as shown in Figs. 1-5, the input terminal of coil 14 and the electricity of electric elements 13
The electrical connection of source input terminal, the output end of coil 14 are electrically connected after connecting with a resistance 16 with the power output end of electric elements 13.
The case where there is electric power or not of power distribution cabinet, by the circuit, makes coil 14 generate magnetic field or magnetic field and disappears, and then changes magnetorheological fluid 8
State, then by effect of the magnetorheological fluid 8 to pressing plate 9, so that lock pin 2 is more difficult or is easily separated from the lock 4, Jin Erneng
Enough judge whether the power distribution cabinet powers off.
In the specific embodiment, as shown in Figure 1, the shape of outer housing 5 is rendered as square box shape, the shape of sliding shell 6 is in
It is now the square box shape of uncovered.Outer housing 5 is shaped to square box shape, and the shape of sliding shell 6 is the square box shape of uncovered, the shape
Structure is simple, is easy batch machining.But not limited to this, for example the shape of outer housing 5 can be circular shell, slide shell accordingly
6 shape is also corresponding circular shell shape.
The present invention also provides a kind of application methods of power distribution cabinet, as shown in Figs. 1-5, including safety locking pin, the safety
Lock pin includes the lock pin 2 being installed in the first cabinet door of power distribution cabinet 1 and is installed on opposite with lock pin 2 in the second cabinet door of power distribution cabinet 3
The lock 4 answered, the first cabinet door 1 and the second cabinet door 3 are correspondingly arranged, and further include the outer housing 5 being fixed in the first cabinet door 1, shell
The sliding shell 6 of the upper opening that is slidably connected in body 5 setting, 5 inner surface of the outer housing covering corresponding to sliding 6 upper opening of shell
Opening makes to slide shell 6 with an enclosure space 7, and enclosure space 7 is provided with magnetorheological fluid 8, and enclosure space 7 slides up and down connection one
Pressing plate 9, pressing plate 9 are equipped with several through-holes 10 through 9 upper and lower surface of pressing plate, and the upper surface of pressing plate 9 is hinged with connecting rod 11, connecting rod
11 upper end is articulated with the inner surface of outer housing 5, fixes lock pin 2, lock pin 2 on the lateral wall of the sliding shell 6 of the second cabinet door 3
Free end may pass through the hole for being set to outer housing 5 on the first side wall of the second cabinet door 3, far from the second cabinet door 3 sliding
A handle 12 is fixedly connected on the lateral wall of shell 6, the free end of handle 12, which may pass through, is set to outer housing 5 far from the second cabinet door 3
Second sidewall on hole, further include the line for being fixed on the inside of the first cabinet door 1 and being electrically connected with the electric elements 13 in power distribution cabinet
The position of magnetorheological fluid 8 after circle 14, the position of coil 14 and the insertion of lock pin 2 lock 4 in sliding shell 6 is corresponding,
Under 3 closed state of first cabinet door 1 and the second cabinet door, in the lock of the insertion of lock pin 2 at this time 4, when the power distribution cabinet even electricity
When work, electric elements 13 and coil 14 are powered on, and coil 14 can generate high-intensity magnetic field, and magnetorheological fluid 8 is under magnetic fields
The Bingham fluid with certain shear yield strength can be become from fluid state in moment, there is bigger viscosity, pressing plate 9 and company
Bar 11 is enveloped by the Bingham fluid that magnetorheological fluid 8 is formed, and the Bingham fluid form of magnetorheological fluid 8 can be to 9 shape of pressing plate at this time
The more difficult movement of shell 6 is slided when pulling sliding shell 6 by handle 12 at biggish barrier force, so that lock pin 2 is made to be difficult to extract, it can
To assert that power distribution cabinet does not power off；
When power distribution cabinet power-off, electric elements 13 and coil 14 are powered off, and magnetic field disappears, and magnetorheological fluid 8 again can be fast
Quick-recovery is to Newtonian fluid state, and when pulling sliding shell 6 by handle 12, pressing plate 9 moves up under the action of connecting rod 11,
Magnetorheological fluid 8 is to flowing down from the through-hole 10 on pressing plate 9, and lock pin 2 very fast can be obtained and be extracted from lock 4 at this time, so as to
Open power distribution cabinet, the electricity it can be assumed that power distribution cabinet has broken.
Further, in this method, as shown in Figs. 1-5, safety locking pin further includes padlock 15, and lock pin 2 passes through buckleing for lock 4
Eye, padlock 15 is placed on lock pin 2 to lock the first cabinet door 1 and the second cabinet door 3, will when closing the first cabinet door 1 and the second cabinet door 3
After lock pin 2 passes through the keyhole of lock 4, it is placed on lock pin 2 with padlock 15 to lock distribution cabinet door.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of power distribution cabinet, which is characterized in that match including the lock pin (2) being installed in the first cabinet door of power distribution cabinet (1) and being installed on
Lock (4) corresponding with the lock pin (2) in the second cabinet door of electric cabinet (3), first cabinet door (1) and second cabinet door
(3) it is correspondingly arranged；
It further include the outer housing (5) being fixed on first cabinet door (1), the top that is slidably connected in the outer housing (5) is opened
The sliding shell (6) of mouth setting corresponds to and opens described in the outer housing (5) the inner surface covering for sliding shell (6) upper opening
Mouth makes the sliding shell (6) have an enclosure space (7), and the enclosure space (7) is provided with magnetorheological fluid (8), the closing
Connection one pressing plate (9) is slided up and down in space (7), the pressing plate (9) is equipped with through the several of the pressing plate (9) upper and lower surface
The upper surface of through-hole (10), the pressing plate (9) is hinged with connecting rod (11), and the upper end of the connecting rod (11) is articulated with the outer housing
(5) inner surface is fixed the lock pin (2) on the lateral wall of the sliding shell (6) of second cabinet door (3), described
The free end of lock pin (2) may pass through the hole for being set to the outer housing (5) on the first side wall of second cabinet door (3),
It is fixedly connected a handle (12) on the lateral wall of the sliding shell (6) far from second cabinet door (3), the handle (12)
Free end, which may pass through, is set to the outer housing (5) far from the hole in the second sidewall of second cabinet door (3)；
It further include being fixed on the coil being electrically connected on the inside of first cabinet door (1) and with the electric elements (13) in power distribution cabinet
(14), the magnetic after position Yu the lock pin (2) the insertion lock (4) of the coil (14) in sliding shell (6)
The position of rheology liquid (8) is corresponding.
2. a kind of power distribution cabinet according to claim 1, which is characterized in that further include padlock (15), the lock pin (2) passes through
The buttonhole of the lock (4), the padlock (15) are placed on the lock pin (2) to lock first cabinet door (1) and described the
Two cabinet doors (3).
3. a kind of power distribution cabinet according to claim 1, which is characterized in that the input terminal and the electric appliance of the coil (14)
The power input of element (13) is electrically connected, and the output end of the coil (14) is first with the electric appliance after connecting with a resistance (16)
The power output end of part (13) is electrically connected.
4. a kind of power distribution cabinet according to claim 1, which is characterized in that the shape of the outer housing (5) is rendered as square box
The shape of shape, sliding shell (6) is rendered as the square box shape of uncovered.
5. a kind of application method of power distribution cabinet, which is characterized in that including safety locking pin, the safety locking pin includes being installed on distribution
Lock pin (2) in the first cabinet door of cabinet (1) and the lock corresponding with the lock pin (2) being installed in the second cabinet door of power distribution cabinet (3)
It detains (4), first cabinet door (1) and second cabinet door (3) are correspondingly arranged；It further include being fixed on first cabinet door (1)
Outer housing (5), the sliding shell (6) for the upper opening setting that is slidably connected in the outer housing (5) corresponds to the sliding shell
(6) outer housing (5) the inner surface covering opening of upper opening makes the sliding shell (6) have an enclosure space (7),
The enclosure space (7) is provided with magnetorheological fluid (8), and connection one pressing plate (9) is slided up and down in the enclosure space (7), described
Pressing plate (9) is equipped with several through-holes (10) through the pressing plate (9) upper and lower surface, and the upper surface of the pressing plate (9) is hinged with
The upper end of connecting rod (11), the connecting rod (11) is articulated with the inner surface of the outer housing (5), close to second cabinet door (3)
It is fixed the lock pin (2) on the lateral wall of sliding shell (6), the free end of the lock pin (2), which may pass through, to be set to outside described
Hole of the shell (5) on the first side wall of second cabinet door (3), the sliding shell (6) far from second cabinet door (3)
Lateral wall on be fixedly connected a handle (12), the free end of the handle (12) may pass through that be set to the outer housing (5) remote
The hole in second sidewall from second cabinet door (3)；Further include be fixed on the inside of first cabinet door (1) and in power distribution cabinet
Electric elements (13) electrical connection coil (14), the lock (4) is inserted into the position of the coil (14) and the lock pin (2)
The position of the magnetorheological fluid (8) in sliding shell (6) is corresponding afterwards,
It is described as the electric elements (13) Lian electricity Shi under first cabinet door (1) and second cabinet door (3) closed state
High-intensity magnetic field can be generated in coil (14), the magnetorheological fluid (8) can be become having in moment under magnetic fields from fluid state
There is the Bingham fluid of certain shear yield strength, has bigger viscosity, the pressing plate (9) and the connecting rod (11) are by the magnetic
The Bingham fluid that rheology liquid (8) is formed envelopes, and the Bingham fluid form of the magnetorheological fluid (8) can be to the pressing plate at this time
(9) biggish barrier force is formed, when pulling sliding shell (6) by the handle (12), the more difficult shifting of the sliding shell (6)
It is dynamic, to make the lock pin (2) be difficult to extract, it can be assumed that the power distribution cabinet does not power off；
When the electric elements (13) power-off, magnetic field disappears, and the magnetorheological fluid (8) can be promptly restored to Newtonian fluid shape again
State, when by the handle (12) pull sliding shell (6) when, the pressing plate (9) under the action of the connecting rod (11) to
Upper movement, the magnetorheological fluid (8) from the through-hole (10) on the pressing plate (9) to flowing down, lock pin (2) energy at this time
It is enough so very fast that be extracted from the lock (4), so as to open power distribution cabinet, the electricity it can be assumed that power distribution cabinet has broken.
6. a kind of application method of power distribution cabinet according to claim 5, which is characterized in that the safety locking pin further includes hanging
It locks (15), the lock pin (2) passes through the buttonhole of the lock (4), and the padlock (15) is placed on the lock pin (2) to lock
The first cabinet door (1) and second cabinet door (3) are stated, application method is as follows:
When closing first cabinet door (1) and second cabinet door (3), the lock pin (2) are passed through to the keyhole of the lock (4)
Afterwards, it is placed on the lock pin (2) with the padlock (15) to lock distribution cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069888.9A CN109066362A (en) | 2018-09-13 | 2018-09-13 | A kind of power distribution cabinet and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069888.9A CN109066362A (en) | 2018-09-13 | 2018-09-13 | A kind of power distribution cabinet and its application method |
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| Publication Number | Publication Date |
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| CN109066362A true CN109066362A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069888.9A Pending CN109066362A (en) | 2018-09-13 | 2018-09-13 | A kind of power distribution cabinet and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687333A (en) * | 2018-12-31 | 2019-04-26 | 芜湖金牛电气股份有限公司 | High-voltage Incoming Cabinet and its working method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20181221 |