CN214689294U

CN214689294U - DVR for power supply protection system

Info

Publication number: CN214689294U
Application number: CN202120571787.2U
Authority: CN
Inventors: 赵炳松; 胡凯; 于硕峰; 颜傧
Original assignee: Shenzhen Zhongjia Zhilian Energy Technology Co ltd
Current assignee: Shenzhen Zhongjia Zhilian Energy Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-12
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a protect DVR for power supply system belongs to removal electrical protection equipment field, which comprises a housin, the mounting hole has been seted up to the bottom of casing, it is provided with the buffer beam to slide along the direction of perpendicular to casing bottom surface in the mounting hole, be provided with first elastic component on the casing, first elastic component is used for ordering about the buffer beam and moves towards the direction of keeping away from the mounting hole, be provided with the locating part on the casing, the locating part is used for injecing the position of buffer beam in the mounting hole. The application has the effect of prolonging the service life of the DVR.

Description

DVR for power supply protection system

Technical Field

The application relates to the field of mobile power protection equipment, in particular to a DVR for protecting a power supply system.

Background

Along with the development of social economy, China basically forms a complete long-distance transmission power grid structure from provincial power grids and provincial power grid interconnection to regional power grid interconnection, and along with the enhancement of measures such as a power distribution grid structure, automatic reclosing, double power supply switching and the like, the power supply interruption above the minute level is greatly reduced, the transient voltage disturbance is more and more increased, and along with the improvement of the living standard, the demand for zero-second-level power supply is higher and more.

In order to meet the requirement of zero-second-level power protection and supply, a power protection car is also widely used, and as a core module of the power protection and supply system, a DVR (Dynamic Voltage Regulator) is generally installed inside the power protection car and moves along with the power protection car, so that mobile power protection and supply are realized.

However, the inventor believes that, in the process of the movement of the security car, the bumping and shaking of the security car are transmitted into the DVR, and as the service life of the security car increases, the electronic components in the DVR are easily damaged, and the service life of the DVR is reduced.

SUMMERY OF THE UTILITY MODEL

In order to prolong the service life of the DVR, the application provides the DVR for the power supply system.

The application provides a guarantee DVR for power supply system adopts following technical scheme:

the utility model provides a guarantee DVR for power supply system, includes the casing, the mounting hole has been seted up to the bottom of casing, it is provided with the buffer beam to slide along the direction of perpendicular to casing bottom surface in the mounting hole, be provided with first elastic component on the casing, first elastic component is used for ordering about the buffer beam and moves towards the direction of keeping away from the mounting hole, be provided with the locating part on the casing, the locating part is used for injecing the position of buffer beam in the mounting hole.

Through adopting above-mentioned technical scheme, when carrying out the DVR installation, at first remove the locating part to the injecing of buffer beam position, buffer beam moves towards the direction of keeping away from the mounting hole under the drive of first elastic component afterwards, install the DVR to protecting the electric car this moment on, along with the motion of protecting the electric car, first elastic component is with protecting the shake absorption of electric car conduction to casing, thereby play the effect of the buffering protection of certain degree to the casing, the inside electronic components of DVR has been protected, thereby the life of DVR has been improved, the in-process of protecting the power supply in the removal has been avoided, frequent change DVR, the effect of reduce cost has been played.

Optionally, the limiting part comprises a limiting pin, a connecting hole is formed in the side wall of the shell, the connecting hole is communicated with the mounting hole, the limiting pin penetrates through the connecting hole in a sliding mode, and the limiting pin is used for being connected with the buffer rod in an inserting mode.

Through adopting above-mentioned technical scheme, when the position of installing the pole is injectd to needs relieving, drive the spacer pin and move towards the direction of keeping away from the casing, make spacer pin and buffer beam break away from the contact, the buffer beam stretches out the casing under the drive of first elastic component promptly, realizes the buffer protection to the DVR, inject the position of buffer beam through the spacer pin, simple structure, low cost, the maintenance and the change in the later stage of being convenient for have better practicality.

Optionally, a second elastic piece is arranged on the shell and used for driving the limiting pin to move towards the buffer rod, and a driving piece is arranged on the shell and used for driving the limiting pin to move in the connecting hole.

Through adopting above-mentioned technical scheme, when prescribing a limit to the position of buffer beam in the mounting hole through the spacer pin, the spacer pin has the trend towards the buffer beam motion all the time under the effect of second elastic component, at the in-process of carrying the DVR, can avoid effectively because artificial mistake touches or the shake leads to the spacer pin to break away from the buffer beam, leads to the buffer beam to stretch out the casing at the in-process of transport, has made things convenient for the transport to the DVR.

Optionally, the driving member includes a pull ring, the pull ring is disposed at an end of the limit pin far away from the buffer rod, the pull ring is hinged to the limit pin, and a third elastic member is disposed on the housing and used for driving the pull ring to deflect toward the housing.

Through adopting above-mentioned technical scheme, when needs drive the spacer pin and move in order to remove the injecing to the buffer beam position towards the direction of keeping away from the buffer beam, the direction through keeping away from the casing towards drives the pull ring motion, can drive spacer pin and buffer beam break away from the contact, the motion of drive spacer pin has been made things convenient for, the efficiency of operation has been improved, and at the in-process of transport, the pull ring has the trend towards the casing deflection under the effect of third elastic component, can reduce the volume of casing at the in-process of transport effectively, further made things convenient for the transport to the DVR.

Optionally, a containing groove is formed in the side wall of the casing, and the containing groove is used for containing the pull ring.

Through adopting above-mentioned technical scheme, carrying the in-process to the DVR, spacer pin and bumper bar own plug-in connection, the pull ring deflects towards the casing under the effect of third elastic component this moment, and the pull ring is located the storage tank, has further reduced the volume of casing in handling to further make things convenient for placing and carrying the DVR.

Optionally, a notch is formed in the side wall of the shell, and the notch is communicated with the accommodating groove.

Through adopting above-mentioned technical scheme, when needs drive the spacer pin motion in order to remove the injecing to the buffer beam position through the pulling pull ring, need drive the pull ring at first and overcome the effort of third elastic component and deflect towards the direction of keeping away from the casing, at this in-process, made things convenient for the staff to drive the pull ring through the breach and deflected towards the direction of keeping away from the casing.

Optionally, one end of the limit pin, which is close to the buffer rod, is provided with a ball which is in rolling contact with the side wall of the buffer rod.

Through adopting above-mentioned technical scheme, after the installation of accomplishing the DVR, the mounting hole is stretched out to the buffer pin under the effect of first elastic component, play the buffering guard action to the DVR, the spacer pin still possesses the trend towards the buffer pin motion under the drive of second elastic component this moment, the spacer pin is located the inside one end of casing and buffer pin butt this moment, along with the shake of trolley bus, the buffer pin constantly slides in the mounting hole, sliding friction between with spacer pin and the buffer pin lateral wall becomes rolling friction through the ball, the frictional force between the tip of spacer pin and the buffer pin lateral wall has been reduced remarkably, then the wearing and tearing between spacer pin and the buffer pin lateral wall have been reduced.

Optionally, a supporting plate is arranged at one end, away from the shell, of the buffer rod, and the supporting plate is connected with the buffer rod ball.

Through adopting above-mentioned technical scheme, stretch out the mounting hole under the drive of first elastic component as the buffer beam, thereby when playing the buffering protection to the DVR, enlarged the area of contact of buffer beam and guarantor's electric car effectively through the backup pad, improved the frictional force between buffer beam and the guarantor's electric car, reduce the horizontal slip of buffer beam in the guarantor's electric car, and backup pad and buffer beam ball joint, the backup pad can be towards arbitrary direction deflection, make the shake that the device can deal with not equidirectional, the practicality of device has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the DVR is installed, the buffering rod is used for buffering and protecting the DVR, so that the service life of the DVR is prolonged;

2. the pull ring pulls the limit pin to move, so that the worker can conveniently drive the limit pin to move, and the working efficiency is improved;

3. at the in-process of carrying the DVR, the pull ring is located the storage tank under the effect of third elastic component, has reduced the volume of DVR casing among the handling, has made things convenient for the transport.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of the housing of FIG. 1 in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of the arrest pin and the pull ring of FIG. 2 according to an embodiment of the present disclosure;

fig. 4 is a partial sectional view of the buffer rod and an exploded structure diagram of the support plate in the embodiment of the present application in fig. 2.

Description of reference numerals: 1. a housing; 11. a vent hole; 12. mounting holes; 2. a buffer rod; 21. a first elastic member; 3. a limiting member; 31. connecting holes; 32. a limiting hole; 33. a second elastic member; 34. a ball bearing; 4. a drive member; 41. a boss; 42. a connecting rod; 43. a third elastic member; 5. a containing groove; 51. a notch; 6. a support plate; 61. a connecting ball; 62. and connecting the grooves.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a DVR for a power supply system.

Referring to fig. 1, a DVR for protecting a power supply system comprises a casing 1, wherein the casing 1 is made of stainless steel, the whole casing 1 is rectangular, the inside of the casing 1 is hollow and used for installing electronic components, and a plurality of keys are installed on the side surface of the casing 1 and used for being electrically connected with the electronic components inside the casing 1.

Referring to fig. 2, a plurality of ventilation holes 11 have been seted up at the top of casing 1, and ventilation hole 11 is rectangular shape hole, and when the DVR work, a plurality of ventilation holes 11 through casing 1 top ventilate and cool to casing 1 inside, play the guard action of certain degree to the inside electronic components of casing 1.

Referring to fig. 2, the bottom surface of the housing 1 is provided with four mounting holes 12 along the vertical direction, the four mounting holes 12 are respectively arranged at four corners of the bottom surface of the housing 1, each mounting hole 12 is internally provided with a buffer rod 2, and the buffer rods 2 are slidably mounted in the mounting holes 12 along the direction perpendicular to the bottom surface of the housing 1.

Wherein, the first elastic member 21 is installed inside the installation hole 12, and the first elastic member 21 is used for driving the buffer rod 2 to move towards a direction far away from the installation hole 12. As an embodiment of the present application, referring to fig. 2, the first elastic member 21 is a compression spring, one end of which is welded to the bottom of the mounting hole 12, and the other end of which is welded to the end of the buffer rod 2 located in the mounting hole 12.

Referring to fig. 2, a limiting member 3 is disposed on the housing 1, and the limiting member 3 is used for limiting the position of the buffer rod 2 in the mounting hole 12. As an embodiment of the present application, the limiting member 3 is a limiting pin, a connecting hole 31 is formed in a side wall of the housing 1, a central axis of the connecting hole 31 is perpendicular to a central axis of the mounting hole 12, the connecting hole 31 is communicated with the mounting hole 12, the limiting pin is slidably mounted in the connecting hole 31, and a limiting hole 32 for the limiting pin to be inserted is formed in the buffer rod 2.

When carrying DVR casing 1, the whole mounting hole 12 that is located of buffer beam 2, first elastic component 21 is in the state of compressed this moment, and the spacer pin is located spacing hole 32, thereby fixed effect has been played to the position of buffer beam 2, when needs install DVR casing 1 on the safety car, drive the spacer pin orientation by the installer and keep away from the direction motion of buffer beam 2, then make the spacer pin break away from buffer beam 2, the elastic potential energy that first elastic component 21 stored this moment is released, promote the direction motion of buffer beam 2 orientation keeping away from mounting hole 12, thereby with the automobile body butt, accomplish the installation of DVR casing 1. In the motion process of automobile body afterwards, first elastic component 21 absorbs the shake that the automobile body transmitted to DVR casing 1 through buffer beam 2, plays the buffering protection effect to DVR casing 1 to protect the electronic components who installs in DVR casing 1 inside, improved DVR's life.

Referring to fig. 2, a second elastic member 33 is disposed on the housing 1, and the second elastic member 33 is used for driving the limit pin to move toward the buffer rod 2. The extension spring is sleeved on the limit pin, one end of the extension spring is welded and fixed with the hole wall of the connecting hole 31, and the other end of the extension spring is welded and fixed with the limit pin.

When carrying DVR casing 1, the spacer pin is located spacing hole 32 and plays fixed effect in order to play the buffer beam 2 position in mounting hole 12, and at this in-process, second elastic component 33 makes the spacer pin have the trend towards the motion of buffer beam 2 all the time to can avoid effectively at the in-process of transport, because artificial mistake touches and leads to the spacer pin to break away from spacing hole 32, make buffer beam 2 stretch out mounting hole 12, lead to causing the inconvenience of transport.

The housing 1 is provided with a driving member 4, the driving member 4 is used for driving the limit pin to move in the connecting hole 31, and as an embodiment of the present application, referring to fig. 3, the driving member 4 is set as a pull ring. The one end welding that the casing 1 was kept away from to the spacer pin has boss 41, and the shape of boss 41 is round platform form, is provided with connecting rod 42 along vertical direction on the boss 41, rotates through the mode of bearing connection between connecting rod 42 and the boss 41 to be connected, and the pull ring is fixed with the both ends welded connection of connecting rod 42.

When the limiting pin needs to be driven to move towards the direction far away from the buffer rod 2, the pull ring is driven to move towards the direction far away from the shell 1, and the pull ring drives the limiting pin to move through the connecting rod 42, so that the limiting pin is separated from the limiting hole 32, and the limitation of the limiting pin on the position of the buffer rod 2 in the mounting hole 12 is removed.

Referring to fig. 3, a third elastic member 43 is disposed on the housing 1, and the third elastic member 43 is used for driving the pull ring to deflect towards the housing 1.

When carrying DVR casing 1, the pull ring deflects towards casing 1 under the drive of third elastic component 43 to reduced the shared space of casing 1 when carrying effectively, made things convenient for the staff to carry casing 1.

Referring to fig. 2, a containing groove 5 has been seted up on the lateral wall of casing 1, and containing groove 5 is used for holding the pull ring, and containing groove 5 is the ring channel, and containing groove 5 and connecting hole 31 intercommunication, the shape of containing groove 5 and the shape looks adaptation of pull ring, when the pull ring deflected towards casing 1 under the drive of third elastic component 43, the pull ring was located inside containing groove 5, has further reduced the shared volume of handling in casing 1, has made things convenient for the transport.

Referring to fig. 2, a notch 51 is formed in a side wall of the housing 1, and the notch 51 is communicated with the accommodating groove 5. Breach 51 is semi-circular breach 51, when carrying out DVR casing 1's installation, the spacer pin is located spacing hole 32 this moment, and the pull ring is located storage tank 5, and the staff will point and stretch into storage tank 5 in through breach 51, can collude the pull ring to drive the pull ring and move towards the direction of keeping away from casing 1, break away from spacing hole 32 with driving the spacer pin, contact the spacer pin and to the fixed of buffer beam 2 positions, accomplish DVR casing 1's installation.

Referring to fig. 3, one end of the stopper pin near the buffer rod 2 is provided with a ball 34 in rolling contact with the side wall of the buffer rod 2. After the installation of accomplishing the DVR, mounting hole 12 is stretched out under the effect of first elastic component 21 to buffer pin 2, play the buffering guard action to the DVR, the spacer pin still possesses the trend towards the motion of buffer pin 2 under the drive of second elastic component 33 this moment, the spacer pin is located the inside one end of casing 1 and 2 butts of buffer pin this moment, along with the shake of guarantor's car, buffer pin 2 constantly slides in mounting hole 12, become rolling friction through ball 34 with the sliding friction between spacer pin and the 2 lateral walls of buffer pin, the frictional force between the tip of spacer pin and the 2 lateral walls of buffer pin has been reduced remarkably, then the wearing and tearing between spacer pin and the 2 lateral walls of buffer pin have been reduced.

Referring to fig. 4, the one end that casing 1 was kept away from to buffer beam 2 is provided with backup pad 6, and the welding has connection ball 61 in backup pad 6, and buffer beam 2 keeps away from the one end of mounting hole 12 and has seted up spread groove 62, and spread groove 62 is spherical groove, connects ball 61 and rotates and install in spread groove 62, and the opening part of spread groove 62 is less than and connects ball 61 to guarantee that backup pad 6 can rotate wantonly and can not break away from the contact with buffer beam 2.

The implementation principle of a DVR for a power supply system in the embodiment of the application is as follows:

drive the pull ring and towards the direction deflection of keeping away from casing 1, drive the pull ring and towards the direction motion of keeping away from casing 1 afterwards, then, drive the spacer pin and break away from spacing hole 32, buffer beam 2 stretches out mounting hole 12 under the drive of first elastic component 21 this moment, with the inside butt of guarantor's electric car, in the motion process of automobile body afterwards, first elastic component 21 passes through the shake absorption that buffer beam 2 transmitted to DVR casing 1 with the automobile body, play the buffering protection effect to DVR casing 1, thereby protected and installed the electronic components in DVR casing 1 inside, the service life of DVR has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A DVR for protecting a power supply system comprises a shell (1), and is characterized in that: mounting hole (12) have been seted up to the bottom of casing (1), it is provided with buffer beam (2) to slide along the direction of perpendicular to casing (1) bottom surface in mounting hole (12), be provided with first elastic component (21) on casing (1), first elastic component (21) are used for ordering about buffer beam (2) and move towards the direction of keeping away from mounting hole (12), be provided with locating part (3) on casing (1), locating part (3) are used for injecing the position of buffer beam (2) in mounting hole (12).

2. A DVR for use in a power protection system according to claim 1, wherein: the limiting part (3) comprises a limiting pin, a connecting hole (31) is formed in the side wall of the shell (1), the connecting hole (31) is communicated with the mounting hole (12), the limiting pin penetrates through the connecting hole (31) in a sliding mode, and the limiting pin is used for being connected with the buffer rod (2) in an inserting mode.

3. A DVR for use in a power protection system according to claim 2, wherein: be provided with second elastic component (33) on casing (1), second elastic component (33) are used for ordering about the spacer pin and move towards buffer beam (2), be provided with driving piece (4) on casing (1), driving piece (4) are used for driving the spacer pin and move in connecting hole (31).

4. A DVR for use in a power protection system according to claim 3, wherein: the driving piece (4) comprises a pull ring, the pull ring is arranged at one end, far away from the buffer rod (2), of the limiting pin and hinged to the limiting pin, a third elastic piece (43) is arranged on the shell (1), and the third elastic piece (43) is used for driving the pull ring to deflect towards the shell (1).

5. The DVR of claim 4, wherein: a containing groove (5) is formed in the side wall of the shell (1), and the containing groove (5) is used for containing the pull ring.

6. The DVR of claim 5, wherein: a notch (51) is formed in the side wall of the shell (1), and the notch (51) is communicated with the accommodating groove (5).

7. A DVR for use in a power protection system according to any of claims 2-6, further comprising: one end of the limiting pin, which is close to the buffer rod (2), is provided with a ball (34) which is in rolling contact with the side wall of the buffer rod (2).

8. A DVR for use in a power protection system according to any of claims 1-6, further comprising: one end of the buffer rod (2) far away from the shell (1) is provided with a support plate (6), and the support plate (6) is in ball joint with the buffer rod (2).