CN112951571A - High-voltage direct current transformer with protective cover - Google Patents
High-voltage direct current transformer with protective cover Download PDFInfo
- Publication number
- CN112951571A CN112951571A CN202110020819.4A CN202110020819A CN112951571A CN 112951571 A CN112951571 A CN 112951571A CN 202110020819 A CN202110020819 A CN 202110020819A CN 112951571 A CN112951571 A CN 112951571A
- Authority
- CN
- China
- Prior art keywords
- protective cover
- clamping
- plate
- side wall
- transformer
- 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.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 106
- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 18
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a high-voltage direct current transformer with a protective cover, and relates to the field of high-voltage direct current transformer maintenance equipment. The problem of when moving or when being carried, the vibrations that produce influence its normal use is solved. The high-voltage direct-current transformer comprises a protective cover, a rack plate, a clamping mechanism, an inward pushing mechanism, a base and a transformer; the protective cover is provided with a cavity for accommodating the rack plate, the clamping mechanism, the inward pushing mechanism and the mutual inductor; the inner side wall of the cavity is connected with one end of the inner pushing mechanism in a sliding manner up and down; the protective cover is arranged on the base in a pluggable manner; one end of the rack plate is connected with the other end of the inner pushing mechanism in a horizontally sliding manner, the rack plate is connected with one end of the clamping mechanism, and the rack plate is arranged on the base in a horizontally sliding manner; a mutual inductor is arranged in the middle of the clamping mechanism. The high-voltage direct-current transformer can be clamped and fixed in the process of installing the protective cover, so that the high-voltage direct-current transformer is prevented from vibrating during operation or transportation, and the service life of the high-voltage direct-current transformer is prolonged.
Description
Technical Field
The invention relates to the technical field of high-voltage direct-current transformer maintenance equipment, in particular to a high-voltage direct-current transformer with a protective cover.
Background
The direct current transformer refers to mutual inductance for converting the magnitude of direct current. The non-linearity and asymmetry of the iron core coil when magnetized by DC and AC current are utilized, and the DC large current passing through the coil is converted into DC small current by a rectifier circuit according to the inverse ratio of turns. The device is mainly used for measuring direct current large current and also used as a current feedback, control and protection element in a rectification system. Compared with a current divider (see an ammeter), the current divider has low electric energy loss and has an isolation effect. When high voltage direct current transformer used, because equipment exposes externally, not only can let the people touch easily, cause danger, still can let get into a large amount of dusts in the equipment, influence equipment operation, reduction equipment life.
Among the prior art, mutual-inductor protection device includes: the transformer protection device comprises a protection box, a transformer, a top cover and four buffer components, wherein the transformer is placed inside the protection box; the rectangular convex block is fixedly connected below the top cover; the rectangular clamping groove is formed above the protection box and matched with the rectangular bump. When the mutual-inductor receives external collision, the buffering subassembly of setting plays extrusion, spacing and fixed effect to the mutual-inductor, simultaneously and the buffering cotton that sets up in the protection box play the effect of buffer protection to the mutual-inductor, protects the mutual-inductor, avoids damaging, through the sealing strip that sets up in rectangle draw-in groove and the rectangle draw-in groove that the top that sets up rectangle lug and protection box at the top of top cap set up, makes protection box leakproofness reinforcing, prevents that the mutual-inductor from intaking and damaging.
However, there are also the following problems: the relation between the two actions of mounting the protective cover and clamping the transformer is not considered, and the structural design is limited.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a high-voltage direct current transformer with a protective cover, which solves the problem that the normal use of the high-voltage direct current transformer is influenced by the vibration generated when the high-voltage direct current transformer is in operation or is carried.
The invention shows a high voltage direct current transformer provided with a protective cover, comprising: the protective cover, the rack plate, the clamping mechanism, the inward pushing mechanism, the base and the mutual inductor are arranged on the inner side of the protective cover; the protective cover is provided with a cavity for accommodating the rack plate, the clamping mechanism, the inward pushing mechanism and the mutual inductor;
the inner side wall of the cavity is connected with one end of the inner pushing mechanism in a sliding manner up and down; the protective cover is arranged in the base in a pluggable manner;
one end of the rack plate is connected with the other end of the inner pushing mechanism in a horizontally sliding manner, the rack plate is connected with one end of the clamping mechanism, and the rack plate is arranged on the base in a horizontally sliding manner;
a mutual inductor is arranged in the middle of the clamping mechanism.
The device has the following beneficial effects: when the protective cover is installed, the protective cover is gradually inserted into the base downwards, the protective cover drives the inward pushing mechanism to move in the downward moving process of the protective cover, the inward pushing mechanism drives the rack plate to horizontally move, so that the clamping mechanism is driven to horizontally move, the clamping mechanism gradually approaches to the middle, and finally, when the protective cover is inserted into a preset position, the mutual inductor arranged in the middle of the clamping mechanism is clamped tightly. The mutual inductor can be completely positioned in the protective cover, and the high-voltage direct-current mutual inductor is transported or stored, so that the mutual inductor cannot be abraded, and dust can be prevented from entering the high-voltage direct-current mutual inductor; the protective cover moves downwards to be converted into the clamping action of the clamping mechanism, so that the installation is more convenient and the installation procedures are reduced.
In some embodiments, further comprising: a lifting mechanism; the lifting mechanism is arranged at the other end of the rack plate in a lifting manner, and the top of the lifting mechanism is arranged at the bottom of the mutual inductor;
a connector is arranged at the top end of the protective cover and corresponds to the interface of the mutual inductor;
the height of the lifting mechanism is less than that of the clamping mechanism.
The structure has the following beneficial effects: when the protective cover is installed in the process of the high-voltage direct-current transformer, the rack plate moves horizontally to drive the lifting mechanism to move upwards, so that the transformer is driven to move upwards, the interface of the transformer extends out of the connecting port at the top end of the protective cover, the connection with other equipment is facilitated, and the use efficiency of the high-voltage direct-current transformer is improved.
In some embodiments, a locking mechanism is arranged on the side wall of the joint of the base and the protective cover, and a clamping mechanism is arranged on the side wall of the joint of the protective cover and the base;
the locking mechanism is provided with a clamping groove matched with the clamping mechanism;
the opening direction of the clamping groove is close to the protective cover, and the side wall of the clamping groove is connected with a movable plate in a sliding manner;
a return spring is arranged on the side wall of the moving plate;
the other end of the return spring is fixedly connected to the side wall of the clamping groove;
screens mechanism is extending structure, includes: an adjustment spring and a locking pin;
one end of the adjusting spring is connected with the protective cover, the other end of the adjusting spring is connected with one end of the locking pin, and the locking pin is matched with the clamping groove.
Adopt the beneficial effect of above-mentioned structure to be: through the stop pin card in the joint inslot, can fix the safety cover on the base effectively, avoid when using or carrying the mutual-inductor, the safety cover takes place to remove to cause influence and harm to the function of mutual-inductor.
In some embodiments, the clip groove is "U" shaped, comprising: a first fitting space and a second fitting space; the upper end and the lower end of the side wall of the moving plate are both provided with contact blocks; the contact block extends out towards the direction close to the locking pin and is respectively arranged in the first matching space and the second matching space.
The structure has the following beneficial effects: when the protective cover is installed at different heights, the use functions of the corresponding mutual inductor are different. When the locking pin on the outer side wall of the protective cover is arranged in the first matching space, the mutual inductor can be completely positioned in the protective cover, and the mutual inductor can be carried or stored; when the stop pin on the outer side wall of the protective cover is installed in the second matching space, the mutual inductor can continue to move upwards, the interface of the mutual inductor extends out of the connector at the top end of the protective cover, the mutual inductor and other external equipment can be connected and tested, and the normal work of the high-voltage direct-current mutual inductor is not influenced while the high-voltage direct-current mutual inductor is effectively protected.
In some embodiments, the base comprises: the base is provided with first rectangular channel, and sliding connection has the safety cover from top to bottom in first rectangular channel, and the base is provided with the second rectangular channel, and the horizontal sliding connection rack plate of second rectangular channel, the second rectangular channel includes: a first cavity and a second cavity; the first rectangular groove and the second rectangular groove are communicated through the second cavity; one end of the clamping mechanism connected with the rack plate is arranged in the second rectangular groove, and the other end of the clamping mechanism extends out of the second rectangular groove; the pushing-in mechanism is arranged in the second rectangular groove.
In some embodiments, the push-in mechanism comprises: the rotating wheel is rotatably connected to the side wall of the second cavity; the rotating wheel is meshed with the rack plate, and one side of the rotating wheel penetrates through the side wall of the second cavity and extends into the first rectangular groove; the side wall of the bottom end of the protective cover is provided with a rack, and the protective cover is meshed with the rotating wheel.
The structure has the following beneficial effects: the embodiment considers the action relationship between the protective cover and the inward pushing mechanism of the clamping mechanism, and carries out hole groove design on the base, thereby realizing the conversion from the motion mode to the actual function, effectively utilizing the space, reducing the weight and the volume of the device and saving the cost.
In some embodiments, the clamping mechanism comprises: the clamping device comprises a fixing plate, a buffer spring and a clamping plate; one end of the fixed plate is connected with the rack plate, and the other end of the fixed plate is connected with one end of the buffer spring; the other end of the buffer spring is connected with one end of the clamping plate; the other end of the clamping plate is arranged on one side of the mutual inductor.
The structure has the following beneficial effects: the fixing plate and the clamping plate are driven to move inwards through the protective cover, the high-voltage direct current transformer can be effectively and fixedly held, and the situation that the high-voltage direct current transformer is influenced in detection and damaged by generated vibration when the high-voltage direct current transformer is operated or carried is avoided. The buffer spring who sets up plays extrusion, spacing and fixed effect to the mutual-inductor, protects the mutual-inductor, avoids damaging, can also adapt to the mutual-inductor of multiple size.
In some embodiments, the lift mechanism comprises: the mutual inductor comprises a plurality of linkage rods, a set-up plate, a rack plate and a transformer body, wherein one end of each linkage rod is rotatably connected with the other end of the rack plate, the other end of each linkage rod is connected with the set-up plate, and the set-up plate is arranged at the bottom of the mutual inductor.
The structure has the following beneficial effects: the erection plate plays a role in supporting the mutual inductor, and the plate-shaped structure enables the operation to be safer. The mutual inductor is driven to move upwards, so that the interface of the mutual inductor rises and is more conveniently connected with external equipment.
In some embodiments, the end of the locking pin is radiused.
In some embodiments, a buffer assembly is disposed between the top of the cavity and the top of the transformer.
According to the technical scheme, the embodiment of the invention has the following beneficial effects: when the protective cover is installed, the protective cover is gradually inserted into the base downwards, the protective cover drives the inward pushing mechanism to move in the downward moving process of the protective cover, the inward pushing mechanism drives the rack plate to horizontally move, so that the clamping mechanism is driven to horizontally move, the clamping mechanism gradually approaches to the middle, and finally, when the protective cover is inserted into a preset position, the mutual inductor arranged in the middle of the clamping mechanism is clamped tightly. The mutual inductor can be completely positioned in the protective cover, and the high-voltage direct-current mutual inductor is transported or stored, so that the mutual inductor cannot be abraded, and dust can be prevented from entering the high-voltage direct-current mutual inductor; the protective cover moves downwards to be converted into the clamping action of the clamping mechanism, so that the installation is more convenient and the installation procedures are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of a high-voltage direct-current transformer provided with a protective cover according to the invention;
fig. 2 is a schematic motion structure diagram of a first embodiment of the high-voltage direct current transformer provided with the protective cover according to the invention;
fig. 3 is a schematic structural diagram of a second embodiment of the hvdc transformer provided with a protective cover according to the present invention;
fig. 4 is a schematic diagram of a kinematic structure of a second embodiment of the hvdc transformer provided with a protective cover according to the present invention;
fig. 5 is a schematic structural diagram of a first embodiment of a locking mechanism in a high-voltage direct-current transformer provided with a protective cover according to the invention;
fig. 6 is a schematic structural diagram of a first embodiment of a base in a high-voltage direct-current transformer provided with a protective cover according to the invention;
fig. 7 is a schematic structural diagram of a third embodiment of the hvdc transformer provided with a protective cover according to the present invention;
fig. 8 is a schematic structural diagram of a fourth embodiment of the hvdc transformer provided with a protective cover according to the present invention.
Detailed Description
In order to make the technical solutions in the embodiments of the present invention better understood and make the above objects, features and advantages of the embodiments of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Example 1:
fig. 1 is a schematic structural diagram of a first embodiment of a high-voltage direct-current transformer provided with a protective cover according to the present invention. As shown in fig. 1, the present invention shows a high voltage dc transformer provided with a protective cover, comprising: the device comprises a protective cover 1, a rack plate 2, a clamping mechanism 3, an inward pushing mechanism 4, a base 5 and a mutual inductor 6; the protective cover 1 is provided with a cavity 11 for accommodating the rack plate 2, the clamping mechanism 3, the inward pushing mechanism 4 and the mutual inductor 6; the inner side wall of the cavity 11 is connected with one end of the inner pushing mechanism 4 in a sliding way up and down; the protective cover 1 is arranged on the base 5 in a pluggable manner; one end of the rack plate 2 is connected with the other end of the inner pushing mechanism 4 in a horizontally sliding manner, the rack plate 2 is connected with one end of the clamping mechanism 3, and the rack plate 2 is arranged on the base 5 in a horizontally sliding manner; the middle of the clamping mechanism 3 is provided with a mutual inductor 6.
Fig. 2 is a schematic motion structure diagram of a first embodiment of the high-voltage direct current transformer provided with the protective cover according to the invention. As shown in fig. 2, the working process is as follows: when the protection cover 1 is installed, the protection cover 1 is gradually inserted into the base 5 downwards, in the process that the protection cover 1 moves downwards, the protection cover 1 drives the inward pushing mechanism 4 to move, the inward pushing mechanism 4 drives the rack plate 2 to move horizontally, so that the clamping mechanism 3 is driven to move horizontally, the clamping mechanism 3 gradually approaches to the middle, and finally, when the protection cover 1 is inserted into a preset position, the mutual inductor 6 arranged in the middle of the clamping mechanism 3 is clamped tightly.
In the above embodiment, the fixing manner of the protective cover 1 and the base 5 after the protective cover 1 is inserted into the base 5 to a proper position is not limited. The positioning pin can be inserted into the preformed hole groove of the base 5 by using a spring and a positioning pin as shown in the figure; the screw fixing mode can also be adopted.
Example 2:
fig. 3 is a schematic structural diagram of a second embodiment of the hvdc transformer provided with a protective cover according to the present invention. As shown in fig. 3, the present invention shows another hvdc transformer provided with a protective cover, further comprising: a lifting mechanism 7; the lifting mechanism 7 is arranged at the other end of the rack plate 2 in a lifting way, and the top of the lifting mechanism 7 is arranged at the bottom of the mutual inductor 6; a connector 12 is arranged at the top end of the protective cover 1 and corresponds to the interface of the mutual inductor 6; the height of the lifting mechanism 7 is less than that of the clamping mechanism 3.
Fig. 4 is a schematic diagram of a kinematic structure of a second embodiment of the hvdc transformer provided with a protective cover according to the present invention. As shown in fig. 4, the working process is as follows: when the protective cover 1 is installed in the process of the high-voltage direct-current transformer 6, the rack plate 2 moves horizontally to drive the lifting mechanism 7 to move upwards, so that the transformer 6 is driven to move upwards, the interface of the transformer 6 extends out of the connecting port 12 at the top end of the protective cover, and the protective cover is conveniently connected with other equipment.
Example 3:
fig. 5 is a schematic structural diagram of a first embodiment of a locking mechanism in a high-voltage direct current transformer provided with a protective cover according to the invention. As shown in fig. 5, a side wall 51 at the connection part of the base 5 and the protection cover 1 is provided with a locking mechanism 52, and a side wall 13 at the connection part of the protection cover 1 and the base 5 is provided with a clamping mechanism 14; the locking mechanism 52 is provided with a clamping groove 521 matched with the clamping mechanism 14; the opening direction of the clamping groove 521 is close to the protective cover 1, and a moving plate 522 is connected to the side wall in a sliding manner; a return spring 523 is arranged on the side wall of the moving plate 522; the other end of the return spring 523 is fixedly connected to the side wall of the clamping groove 521; the position-locking mechanism 14 is a retractable structure, and comprises: an adjustment spring 141 and a locking pin 142; one end of the adjusting spring 141 is connected to the protective cover 1, the other end is connected to one end of the locking pin 142, and the locking pin 142 is engaged with the engaging groove 521.
Preferably, the catching groove 521 is "U" shaped, including: a first fitting space 5211 and a second fitting space 5212; the upper end and the lower end of the side wall of the moving plate 522 are provided with contact blocks 524; the abutting blocks 524 protrude in a direction approaching the locking pins 142 and are respectively disposed in the first and second fitting spaces 5211 and 5212.
The working process is as follows: when the protective cover 1 is installed at different heights, the functions of use of the corresponding mutual inductor 6 are also different. When the locking pins 142 on the outer side wall of the protective cover 1 are fitted into the first fitting spaces 5211, the instrument transformer 6 is completely located inside the protective cover 1, and the instrument transformer 6 can be carried or stored; when the locking pin 142 on the outer side wall of the protective cover 1 is installed in the second matching space 5212, the transformer 6 can continue to move upwards, the interface of the transformer 6 extends out of the connecting port 12 on the top end of the protective cover 1, and at this time, the transformer 6 and other external equipment can be connected and tested, so that the normal operation of the high-voltage direct-current transformer 6 is not influenced while the high-voltage direct-current transformer 6 is effectively protected.
Example 4:
fig. 6 is a schematic structural diagram of a base in a high-voltage direct-current transformer provided with a protective cover according to a first embodiment of the invention. As shown in fig. 6, the base 5 includes: base 5 is provided with first rectangular channel 53, and sliding connection has safety cover 1 from top to bottom in first rectangular channel 53, and the base is provided with second rectangular channel 54, and horizontal sliding connection rack plate 2 in second rectangular channel 54, second rectangular channel 54 include: a first cavity 541 and a second cavity 542; the first rectangular groove 53 and the second rectangular groove 54 are communicated through the second cavity 542; one end of the clamping mechanism 3 connected with the rack plate 2 is arranged in the second rectangular groove 54, and the other end of the clamping mechanism 3 extends out of the second rectangular groove 54; the push-in mechanism 4 is disposed in the second rectangular groove 54.
The first rectangular groove 53 can restrict the downward movement position of the shield case 1, and the second rectangular groove 54 can restrict the horizontal movement range of the rack plate 2.
Example 5:
fig. 7 is a schematic structural diagram of a third embodiment of the hvdc transformer provided with a protective cover according to the present invention. As shown in fig. 7, the present invention shows another hvdc transformer provided with a protective cover, the push-in mechanism 4 comprises: a rotating wheel 41 rotatably connected to a side wall of the second cavity 542; the rotating wheel 41 is meshed with the rack plate 2, one side of the rotating wheel 41 penetrates through the side wall of the second cavity 542 and extends into the first rectangular groove 53; the side wall of the bottom end of the protective cover 1 is provided with a rack, and the protective cover 1 is meshed with the rotating wheel 41.
Example 6:
fig. 7 is a schematic structural diagram of a third embodiment of the hvdc transformer provided with a protective cover according to the present invention. As shown in fig. 7, the present invention shows another hvdc transformer provided with a protective cover, the clamping mechanism 3 comprises: a fixed plate 31, a buffer spring 32, and a clamp plate 33; one end of the fixed plate 31 is connected to the rack plate 2, and the other end is connected to one end of the buffer spring 32; the other end of the buffer spring 32 is connected with one end of the clamping plate 33; the other end of the holding plate 33 is disposed at one side of the transformer 6.
Example 7:
fig. 7 is a schematic structural diagram of a third embodiment of the hvdc transformer provided with a protective cover according to the present invention. As shown in fig. 7, the present invention shows another hvdc transformer provided with a protective cover, the elevating mechanism 7 comprises: the mutual inductor comprises a plurality of linkage rods 71 and a setting plate 72, wherein one end of each linkage rod 71 is rotatably connected with the other end of the rack plate 2, the other end of each linkage rod 71 is connected with the setting plate 72, and the setting plate 72 is arranged at the bottom of the mutual inductor 6. Preferably, in some embodiments, the end of the locking pin is radiused. Preferably, the first and second electrodes are formed of a metal,
in some embodiments, a buffer assembly is provided between the top of the cavity 11 and the top of the instrument transformer 6.
Example 8:
fig. 8 is a schematic structural diagram of a fourth embodiment of the hvdc transformer provided with a protective cover according to the present invention. As shown in fig. 8, a high voltage direct current transformer with safety cover, including base 5, base 5 is provided with first rectangular channel 53, and sliding connection has safety cover 1 from top to bottom in first rectangular channel 53, and the base is provided with second rectangular channel 54, and horizontal sliding connection rack plate 2 in second rectangular channel 54, second rectangular channel 54 includes: a first cavity 541 and a second cavity 542; rack plate 2 is provided with fixture 3, it takes turns 41 fixed connection on the horizontal axis lateral wall to rotate, the horizontal axis rotates to be connected at second cavity 542, it takes turns 41 to be connected with the meshing of rack plate 2 to rotate, it runs through second cavity 542 lateral wall to rotate 41 one side of the wheel, and extend to first rectangular channel 53, 1 bottom inside wall of safety cover is equipped with the rack, the rack of safety cover 1 is connected with rotating wheel 41 meshing, rack plate 2 lateral wall fixedly connected with trace 71, trace 71 tip runs through second rectangular channel 54 lateral wall, and extend to the outside, fixed plate 31 lateral wall is connected with buffer spring 32, buffer spring 32 other end fixedly connected with grip block 33, buffer spring 32's effect is replied and is cushioned.
The outer side walls of two sides of the bottom end of the protective cover 1 are respectively provided with a clamping mechanism 14, and the side wall 51 at the joint of the base 5 and the protective cover 1 is provided with a locking mechanism 52; screens mechanism 14 is including seting up the locking groove on the safety cover 1 lateral wall, locking groove lateral wall sliding connection has a stop pin 142, stop pin 142 lateral wall fixedly connected with adjusting spring 141, adjusting spring 141's other end fixed connection is on locking groove lateral wall, joint groove 521 that is "U" type is seted up to first rectangular channel 53 lateral wall, joint groove 521 lateral wall sliding connection has a movable plate 522, movable plate 522 lateral wall fixedly connected with reset spring 523, reset spring 523's other end fixed connection is on joint groove 521 lateral wall, adjusting spring's effect is replied and the buffering, the equal fixedly connected with of lateral wall supports touch multitouch 524 about the movable plate 522, the horizontal groove that runs through the base 5 lateral wall is seted up to joint groove 521 lateral wall, horizontal groove lateral wall sliding connection has the catch bar, catch bar end fixed connection is on the 522 lateral wall, the catch bar other end runs through the.
The side wall of the top end of the protective cover 1 is provided with a plurality of connectors 12, and the connectors 12 are used for exposing the top end interface through the connectors when the high-voltage direct-current transformer is used, so that the high-voltage direct-current transformer is conveniently connected with other equipment; the end of the locking pin 142 is arc-shaped, and the arc-shaped arrangement is used for enabling the locking pin 142 to be connected with and separated from the clamping groove more easily.
When the high-voltage direct current transformer 6 is used, firstly, the transformer 6 is placed on the erection plate 72, then the protective cover 1 is installed in the first rectangular groove 53 on the base 5, when the protective cover 1 enters the first rectangular groove 53, the rotating wheels 41 are driven to rotate through the rack plates 2 on the side walls, the rotating wheels 41 drive the rack plates 2 to move, the rack plates 2 drive the fixing plates 31 on the side walls to move, the fixing plates 31 drive the clamping plates 33 to move, the clamping plates 33 on the two sides can clamp and fix the high-voltage direct current transformer, when the protective cover 1 continues to move downwards, the rack plates 2 can be driven to continue to move, when the rack plates 2 move, the linkage rods 71 at the end parts can be driven to rotate, the linkage rods 71 can drive the erection plate 72 to move upwards, so as to drive the high-voltage direct current transformer 6 to move upwards, when the high-voltage direct current transformer 6 moves upwards, the interface at the top, the interface of the high-voltage direct-current transformer can be conveniently connected with other external equipment.
When the protective cover 1 is installed at different heights, the high-voltage direct current transformer 6 is used differently, when the locking pin 142 on the outer side wall of the protective cover 1 is installed in the first matching space 5211, the high-voltage direct current transformer 6 is completely positioned in the protective cover 1, and the high-voltage direct current transformer 6 can be transported or stored, so that the high-voltage direct current transformer 6 is effectively fixed, and dust can be prevented from entering the high-voltage direct current transformer 6 to cause abrasion to equipment and influence the service life; when the locking pin 142 on the outer sidewall of the protective cover 1 is installed in the second fitting space 5212, the hvdc transformer may move upward, so that the hvdc transformer 6 may be connected to other external devices for testing, thereby effectively protecting the hvdc transformer 6 and not affecting the normal operation of the hvdc transformer 6.
In all the above embodiments, the joints between the transformer 6 and other components may be provided with cushions for protecting the transformer 6.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.
The embodiments of the present invention are described in detail, and the embodiments are only examples of the general inventive concept, and should not be construed as limiting the scope of the present invention. Any other embodiments extended by the solution according to the invention without inventive step will be within the scope of protection of the invention for a person skilled in the art.
Claims (10)
1. The utility model provides a high voltage direct current transformer with safety cover which characterized in that includes: the rack device comprises a protective cover (1), a rack plate (2), a clamping mechanism (3), an inner pushing mechanism (4), a base (5) and a mutual inductor (6);
the protective cover (1) is provided with a cavity (11) for accommodating the rack plate (2), the clamping mechanism (3), the inward pushing mechanism (4) and the mutual inductor (6); the inner side wall of the cavity (11) is connected with one end of the inner pushing mechanism (4) in a vertically sliding manner; the protective cover (1) is arranged in the base (5) in a pluggable manner;
one end of the rack plate (2) is connected with the other end of the inward pushing mechanism (4) in a horizontally sliding mode, the rack plate (2) is connected with one end of the clamping mechanism (3), and the rack plate (2) is arranged on the base (5) in a horizontally sliding mode;
the mutual inductor (6) is arranged in the middle of the clamping mechanism (3).
2. The hvdc transformer of claim 1, further comprising: a lifting mechanism (7);
the lifting mechanism (7) is arranged at the other end of the rack plate (2) in a lifting manner, and the top of the lifting mechanism (7) is arranged at the bottom of the mutual inductor (6);
a connecting port (12) is arranged at the top end of the protective cover (1) and corresponds to the interface of the mutual inductor (6);
the height of the lifting mechanism (7) is smaller than that of the clamping mechanism (3).
3. The HVDC transformer according to claim 2, characterized in that a side wall (51) of the connection of the base (5) and the protective cover (1) is provided with a locking mechanism (52), and a side wall (13) of the connection of the protective cover (1) and the base (5) is provided with a detent mechanism (14);
the locking mechanism (52) is provided with a clamping groove (521) matched with the clamping mechanism (14);
the opening direction of the clamping groove (521) is close to the protective cover (1), and a moving plate (522) is connected to the side wall in a sliding manner;
a return spring (523) is arranged on the side wall of the moving plate (522);
the other end of the return spring (523) is fixedly connected to the side wall of the clamping groove (521);
screens mechanism (14) are extending structure, include: an adjustment spring (141) and a locking pin (142);
one end of the adjusting spring (141) is connected with the protective cover (1), the other end of the adjusting spring is connected with one end of the locking pin (142), and the locking pin (142) is matched with the clamping groove (521).
4. The HVDC transformer of claim 3, wherein the clamping groove (521) is U-shaped and comprises: a first fitting space (5211) and a second fitting space (5212);
the upper end and the lower end of the side wall of the moving plate (522) are provided with contact blocks (524)
The abutting block (524) protrudes in a direction approaching the locking pin (142), and is provided in the first fitting space (5211) and the second fitting space (5212), respectively.
5. The hvdc transformer of claim 1, wherein the base (5) comprises:
the base (5) is provided with a first rectangular groove (53), and the first rectangular groove (53) is connected with the protective cover (1) in a vertical sliding manner;
the base (5) is provided with a second rectangular groove (54), the second rectangular groove (54) horizontally slidably connects the rack plate (2), the second rectangular groove (54) includes: a first cavity (541) and a second cavity (542);
the first rectangular groove (53) and the second rectangular groove (54) are communicated through the second cavity (542);
one end, connected with the rack plate (2), of the clamping mechanism (3) is arranged in the second rectangular groove (54), and the other end of the clamping mechanism (3) extends out of the second rectangular groove (54);
the pushing-in mechanism (4) is arranged in the second rectangular groove (54).
6. The hvdc transformer of claim 5, wherein the push-in mechanism (4) comprises: a rotating wheel (41) rotatably connected to the side wall of the second cavity (542);
the rotating wheel (41) is meshed with the rack plate (2), and one side of the rotating wheel (41) penetrates through the side wall of the second cavity (542) and extends into the first rectangular groove (53);
the side wall of the bottom end of the protective cover (1) is provided with a rack, and the protective cover (1) is meshed with the rotating wheel (41).
7. The hvdc transformer of claim 1, wherein the clamping mechanism (3) comprises: a fixing plate (31), a buffer spring (32) and a clamping plate (33);
one end of the fixing plate (31) is connected with the rack plate (2), and the other end of the fixing plate is connected with one end of the buffer spring (32);
the other end of the buffer spring (32) is connected with one end of the clamping plate (33);
the other end of the clamping plate (33) is arranged on one side of the mutual inductor (6).
8. The hvdc transformer of claim 2, wherein the elevating mechanism (7) comprises: a plurality of linkage rods (71) and a setting plate (72);
the one end of trace (71) with the other end rotatable coupling of rack board (2), the other end of trace (71) with set up board (72) and connect, set up board (72) and set up the bottom of mutual-inductor (6).
9. The hvdc transformer of claim 3, wherein the end of the locking pin (142) is radiused.
10. The hvdc transformer of claim 1, characterized in that a buffer assembly is provided between the top of the cavity (11) and the top of the transformer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020819.4A CN112951571B (en) | 2021-01-07 | 2021-01-07 | High-voltage direct current transformer with protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020819.4A CN112951571B (en) | 2021-01-07 | 2021-01-07 | High-voltage direct current transformer with protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112951571A true CN112951571A (en) | 2021-06-11 |
| CN112951571B CN112951571B (en) | 2023-11-21 |
Family
ID=76235085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110020819.4A Active CN112951571B (en) | 2021-01-07 | 2021-01-07 | High-voltage direct current transformer with protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112951571B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010022713A1 (en) * | 2000-03-17 | 2001-09-20 | Gimenez Miguel Ortiz | Earth leakage detection device |
| KR20130012260A (en) * | 2011-06-29 | 2013-02-04 | 태화트랜스 주식회사 | Divisible current transformer |
| CN103219142A (en) * | 2013-03-29 | 2013-07-24 | 珠海市华优电气技术有限公司 | High-voltage split-core type current transformer |
| US20130240248A1 (en) * | 2010-10-07 | 2013-09-19 | Phoenix Contact Gmbh & Co. Kg | Device for detachably fixing a current conductor to a current transformer housing |
| US20140300350A1 (en) * | 2011-10-26 | 2014-10-09 | Lem Intellectual Property Sa | Electrical current transducer |
| CN208781686U (en) * | 2018-10-12 | 2019-04-23 | 上海劲兆互感器有限公司 | A kind of voltage transformer with N-terminal insulation strengthening structure |
| CN110246660A (en) * | 2019-07-30 | 2019-09-17 | 国家电网有限公司 | A kind of mutual inductor protective housing |
| CN110797181A (en) * | 2019-11-14 | 2020-02-14 | 衡阳市华仪电力互感器有限公司 | Power transformer that double-layered line intensity is high |
| CN110844271A (en) * | 2019-11-25 | 2020-02-28 | 衡阳市华仪电力互感器有限公司 | Mutual inductor protection device |
| CN210325413U (en) * | 2019-09-18 | 2020-04-14 | 江苏永佳光电科技有限公司 | Movable high-voltage transformer device |
-
2021
- 2021-01-07 CN CN202110020819.4A patent/CN112951571B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010022713A1 (en) * | 2000-03-17 | 2001-09-20 | Gimenez Miguel Ortiz | Earth leakage detection device |
| US20130240248A1 (en) * | 2010-10-07 | 2013-09-19 | Phoenix Contact Gmbh & Co. Kg | Device for detachably fixing a current conductor to a current transformer housing |
| KR20130012260A (en) * | 2011-06-29 | 2013-02-04 | 태화트랜스 주식회사 | Divisible current transformer |
| US20140300350A1 (en) * | 2011-10-26 | 2014-10-09 | Lem Intellectual Property Sa | Electrical current transducer |
| CN103219142A (en) * | 2013-03-29 | 2013-07-24 | 珠海市华优电气技术有限公司 | High-voltage split-core type current transformer |
| CN208781686U (en) * | 2018-10-12 | 2019-04-23 | 上海劲兆互感器有限公司 | A kind of voltage transformer with N-terminal insulation strengthening structure |
| CN110246660A (en) * | 2019-07-30 | 2019-09-17 | 国家电网有限公司 | A kind of mutual inductor protective housing |
| CN210325413U (en) * | 2019-09-18 | 2020-04-14 | 江苏永佳光电科技有限公司 | Movable high-voltage transformer device |
| CN110797181A (en) * | 2019-11-14 | 2020-02-14 | 衡阳市华仪电力互感器有限公司 | Power transformer that double-layered line intensity is high |
| CN110844271A (en) * | 2019-11-25 | 2020-02-28 | 衡阳市华仪电力互感器有限公司 | Mutual inductor protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112951571B (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112951571A (en) | High-voltage direct current transformer with protective cover | |
| CN215160668U (en) | A shock attenuation lift platform for track center console | |
| CN212749094U (en) | Multifunctional power distribution cabinet debugging platform | |
| CN212627658U (en) | Integrated precise inverter welding power supply | |
| CN210350580U (en) | Transformer substation's current transformer dismouting auxiliary device | |
| CN210982538U (en) | Protective device of electric energy metering equipment | |
| CN214898216U (en) | Auxiliary operating mechanism of high-voltage alternating-current isolating switch operating mechanism box | |
| CN215119844U (en) | Lower lightning arrester handcart of high-voltage switch cabinet | |
| CN213416279U (en) | Full-automatic chlorine dioxide generator | |
| CN215772147U (en) | High-efficient shock-resistant high-low voltage distribution cabinet | |
| CN216469393U (en) | Electric appliance and instrument protection device with anti-collision function | |
| CN110212423A (en) | A kind of electrical equipment is with holding cabinet | |
| CN219015411U (en) | Material level radar device | |
| CN111029220A (en) | Air circuit breaker fixing device | |
| CN218959250U (en) | Control cabinet with folding computer bracket | |
| CN220585034U (en) | Positioning assembly for transformer | |
| CN215493953U (en) | Platform for detecting three-phase thyristor power regulator | |
| CN212872621U (en) | Voltage transformer error test junction box | |
| CN219303438U (en) | Transformer mounting structure | |
| CN219476433U (en) | SF6 inflatable cabinet indoor current transformer assembly mechanism | |
| CN215417842U (en) | Outdoor high-low voltage power transformer with protection function | |
| CN215601089U (en) | AC/DC anti-trip loop self-adaptive microcomputer protection device | |
| CN214672161U (en) | Magnetic core structure of inductor | |
| CN220138839U (en) | Photovoltaic power generation assembly wiring device | |
| CN217240101U (en) | Debugging equipment convenient to stably place for transformer maintenance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |