CN220935457U - Voltage stabilizer convenient to maintain - Google Patents

Abstract

The utility model relates to the technical field of power equipment, and discloses a voltage stabilizer convenient to maintain. The heat dissipation device comprises a box body, at least one heat dissipation assembly and at least one locking assembly, wherein at least one side wall of the box body is provided with a mounting opening, and each heat dissipation assembly is detachably connected with one mounting opening; the radiating assembly comprises a radiating box body and a radiating fan, the radiating box body is embedded in the mounting opening, a radiating hole is formed in one side wall, close to the box body, of the radiating box body, a wind opening is formed in one side wall, away from the box body, of the radiating box body, and the radiating fan is arranged in the radiating box body and can exhaust air or blow air into the box body; the locking assembly comprises a first locking part and a second locking part, wherein the first locking part is arranged in the box body, the second locking part is arranged on one side of the radiating box body, which is close to the box body, and the first locking part is configured to fix or release the second locking part. The voltage stabilizer convenient to maintain has good heat dissipation effect, and the heat dissipation assembly is convenient to assemble and disassemble, easy to maintain and replace in the later period, long in service life and good in anti-theft performance.

Description

Voltage stabilizer convenient to maintain

Technical Field

The utility model relates to the technical field of power equipment, in particular to a voltage stabilizer convenient to maintain.

Background

The voltage stabilizer is equipment for stabilizing output voltage, and consists of a voltage regulating circuit, a control circuit, a servo motor and the like, when the input voltage or load changes, the control circuit samples, compares and amplifies, then drives the servo motor to rotate, so that the position of a carbon brush of the voltage regulator changes, and the turns ratio of a coil is automatically adjusted, thereby keeping the output voltage stable.

At present, the existing voltage stabilizer can generate a large amount of heat after long-time running and working, and the working efficiency of the voltage stabilizer can be influenced if the heat is not radiated, so that a heat radiation device is required to be additionally arranged on the voltage stabilizer, and the traditional heat radiation device of the voltage stabilizer is mainly used for radiating through directly installing a fan, so that the later maintenance and replacement of workers are inconvenient, and the overall attractiveness is poor; some heat dissipation devices are detachably arranged on the outer wall of the box body, but the connection part is easily aged or damaged and even easily stolen due to the influence of external environment for a long time.

Therefore, a voltage regulator convenient for maintenance is needed to solve the above problems.

Disclosure of utility model

Based on the above, the utility model aims to provide a voltage stabilizer convenient to maintain, which has good heat dissipation effect, and a heat dissipation component is convenient to assemble and disassemble, easy to maintain and replace in later period, long in service life and good in anti-theft performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A maintenance-friendly voltage regulator, comprising:

the box body is provided with a mounting opening on at least one side wall;

The heat dissipation assembly comprises a heat dissipation box body and a heat dissipation fan, the heat dissipation box body is embedded in the mounting opening, a heat dissipation hole is formed in one side wall of the heat dissipation box body, which is close to the box body, an air opening is formed in one side wall of the heat dissipation box body, which is away from the box body, and the heat dissipation fan is arranged in the heat dissipation box body and can exhaust or blow air into the box body;

At least one locking assembly, the locking assembly includes a first locking portion and a second locking portion, the first locking portion is disposed in the box body, the second locking portion is disposed at a side of the heat dissipation box body, which is close to the box body, and the first locking portion is configured to fix or release the second locking portion.

As a preferable scheme of the voltage stabilizer convenient to maintain, the first locking part comprises two clamping pieces which are arranged in a relative movement mode along a first direction, the second locking part comprises a lock cylinder which is convexly arranged in the radiating box body and is close to the inside of the box body, the lock cylinder is positioned between the two clamping pieces, and the two clamping pieces can move to clamp or loosen the lock cylinder.

As a preferred embodiment of the maintenance-friendly voltage regulator, the first locking portion further includes:

the lock box is arranged on the inner wall of the box body, a guide hole is formed in the lock box in an extending mode along the first direction, and the two clamping pieces penetrate through the guide hole;

The driving piece is arranged in the lock box and is in driving connection with the two clamping pieces, and the driving piece can drive the two clamping pieces to be close to or far away from each other.

As a preferred scheme of the voltage stabilizer convenient to maintain, the driving piece comprises a screw rod, the screw rod extends along the first direction and is rotationally connected in the lock box, one end of the screw rod extends out of the lock box, two sections of external threads with opposite directions are arranged on the screw rod, and two clamping pieces are positioned at one ends of the lock box and are sleeved on the screw rod and are respectively connected with two external threads.

As a preferred scheme of the voltage stabilizer convenient to maintain, the clamping piece comprises a moving block, a connecting rod and a clamping head, wherein the two moving blocks are respectively in threaded sleeve connection with the two external threads, one end of the connecting rod is connected with the moving block, the other end of the connecting rod penetrates through the guide hole, the clamping head is connected with the other end of the connecting rod, and the lock cylinder is positioned between the two clamping heads.

As a preferred scheme of the voltage stabilizer convenient to maintain, lock grooves are respectively formed in opposite sides of the two clamping heads, the lock cylinder comprises a lock head and a lock rod, one end of the lock rod is connected with the radiating box body, the lock head is connected with the other end of the lock rod and extends along the first direction, and two ends of the lock head can be respectively clamped into the two lock grooves.

As a preferred embodiment of the maintenance-friendly voltage stabilizer, the heat dissipation assembly further includes:

the dustproof net is embedded in the air port.

As a preferred embodiment of the maintenance-friendly voltage stabilizer, the maintenance-friendly voltage stabilizer further comprises:

the cleaning brush is movably arranged on the outer side face of the radiating box body along the length direction or the width direction of the dustproof net, and the brush head of the cleaning brush is contacted with the dustproof net.

As a preferable scheme of the voltage stabilizer convenient to maintain, a first connecting part is arranged on the outer side surface of the heat dissipation box body along the length direction of the dustproof net, the length direction of the cleaning brush is extended along the width direction of the dustproof net, a second connecting part is arranged on the cleaning brush, and the first connecting part is in sliding connection with the second connecting part; or (b)

The lateral surface of radiating box body is followed the width direction of dust screen is provided with first connecting portion, the length direction of cleaning brush is followed the length direction extension setting of dust screen, be provided with the second connecting portion on the cleaning brush, first connecting portion with second connecting portion sliding connection.

As a preferable scheme of the voltage stabilizer convenient to maintain, the first connecting part is a limiting chute arranged on the outer side surface of the heat dissipation box body, the second connecting part is a protruding structure arranged on the cleaning brush, and the protruding structure is limited in the limiting chute and can slide along the limiting chute; or (b)

The first connecting part is a protruding structure arranged on the outer side face of the radiating box body, the second connecting part is a limiting chute arranged on the cleaning brush, and the protruding structure is movably limited in the limiting chute.

The beneficial effects of the utility model are as follows:

The utility model provides a voltage stabilizer convenient to maintain, which comprises a box body and at least one heat radiation component, wherein the box body is provided with a mounting opening, so that the heat radiation component can be mounted at the mounting opening, and when the box body needs to radiate heat, the heat in the box body is exhausted or blown through a heat radiation fan so as to be discharged through a heat radiation hole and a wind opening, thereby achieving the effect of cooling and heat radiation; meanwhile, the radiating component can be fixedly arranged at the mounting port through the locking component and can be detached, so that the radiating component is convenient to disassemble and assemble according to actual use conditions, is convenient to maintain and replace, is convenient for workers to maintain and manage the radiating component in the later period, ensures the overall radiating efficiency, and improves the practicability and the attractiveness; the first locking part in the box body is used for fixing or loosening the second locking part, so that the fixing and the dismounting of the radiating assembly are simple and convenient, the box body has a protective shielding effect on the locking assembly, the radiating assembly is prevented from being dismounted outside or damaged by the external environment, and the service safety and the service life of the voltage stabilizer convenient to maintain are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a cross-sectional view of a maintenance-friendly voltage regulator provided by an embodiment of the utility model;

FIG. 2 is a schematic view of a heat dissipating assembly and a cleaning brush according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 1;

Fig. 4 is an enlarged view of a portion B in fig. 1.

In the figure:

1. A case;

200. A heat dissipation assembly; 201. a heat dissipation box body; 202. a heat dissipation fan; 203. a heat radiation hole; 204. a dust screen; 205. a handle;

300. A locking assembly; 301. a first locking part; 3011. a lock box; 3012. a guide hole; 3013. a screw rod; 3014. a moving block; 3015. a connecting rod; 3016. a chuck; 3017. a locking groove; 3018. an operation handle; 302. a second locking portion; 3021. a lock lever; 3022. a lock head;

400. A cleaning brush; 401. a brush head; 402. a first connection portion; 403. a second connecting portion;

500. and a limiting plate.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

As shown in fig. 1 to 4, the present embodiment provides a voltage stabilizer convenient for maintenance, which includes a case 1 and at least one heat dissipation assembly 200, wherein at least one side wall of the case 1 is provided with a mounting opening, each heat dissipation assembly 200 is detachably connected with a mounting opening, and heat dissipation is performed in the case 1 through the heat dissipation assembly 200, so as to ensure normal operation of electrical components in the case 1. Illustratively, two opposite side walls of the case 1 are respectively provided with one mounting opening, that is, two heat dissipation assemblies 200 are provided, and the two heat dissipation assemblies 200 are oppositely arranged, so that heat dissipation uniformity and heat dissipation efficiency are improved. Of course, in other embodiments, the number and positions of the mounting ports may be other, for example, the three sides of the case 1 are provided with the mounting ports, which is specifically set according to the actual requirement.

Specifically, the heat dissipation assembly 200 includes a heat dissipation box 201 and a heat dissipation fan 202, the heat dissipation box 201 is embedded in the mounting opening, a side wall of the heat dissipation box 201, which is close to the inside of the box 1, is provided with a heat dissipation hole 203, a side wall, which is away from the inside of the box 1, is provided with a wind gap, and the heat dissipation fan 202 is arranged in the heat dissipation box 201 and can draw or blow air into the box 1. When the heat dissipation box body 201 is embedded into the mounting port, the heat dissipation fan 202 is started when the heat dissipation in the box body 1 is needed, and the air is exhausted or blown through the heat dissipation fan 202, so that the hot air in the box body 1 is discharged through the heat dissipation holes 203 and the air ports, the effect of cooling and heat dissipation is achieved, and the normal work of the voltage stabilizer is ensured.

Preferably, the plurality of heat dissipation holes 203 are arranged, the plurality of heat dissipation holes 203 are spaced and uniformly distributed, so that the uniformity of air flow is improved, the heat dissipation in the box body 1 is uniform, and the heat dissipation efficiency is improved.

Preferably, a plurality of heat dissipation fans 202 are provided, and the plurality of heat dissipation fans 202 are arranged at intervals along the length direction or the width direction of the heat dissipation box 201, or may be distributed in an array, so that heat dissipation efficiency is improved and heat dissipation uniformity is ensured. Illustratively, three heat dissipating fans 202 are provided, however, in other embodiments, the number of heat dissipating fans 202 may be other, such as four or five, etc., specifically according to the actual needs.

More specifically, as shown in fig. 1 to 3, the heat dissipation assembly 200 further includes a dust screen 204, where the dust screen 204 is embedded in the air opening, and the dust screen 204 can reduce dust entering the case 1, so as to prevent impurities from entering the heat dissipation case 201 and the case 1 to affect normal operation of the heat dissipation fan 202 and internal devices of the case 1.

After long-term use, dust is easily accumulated on the dust screen 204, which affects the heat dissipation effect. In this embodiment, the heat dissipation assembly 200 further includes a cleaning brush 400, where the cleaning brush 400 is movably disposed on the outer side surface of the heat dissipation case 201 along the length direction or the width direction of the dust screen 204, and the brush head 401 of the cleaning brush 400 contacts the dust screen 204. By moving the cleaning brush 400, the brush head 401 of the cleaning brush 400 sweeps along the dust screen 204, thereby sweeping off dust on the dust screen 204 and ensuring the heat dissipation effect of the heat dissipation assembly 200. Preferably, the length of the cleaning brush 400 is greater than the length or width of the dust screen 204, and the cleaning brush 400 spans across the dust screen 204, so that the brush head 401 of the cleaning brush 400 can sweep all parts of the dust screen 204, ensuring heat dissipation uniformity.

Specifically, a first connection part 402 is arranged on the outer side surface of the heat dissipation box 201 along the length direction of the dust screen 204, the length direction of the cleaning brush 400 is arranged in an extending manner along the width direction of the dust screen 204, a second connection part 403 is arranged on the cleaning brush 400, and the first connection part 402 and the second connection part 403 are connected in a sliding manner; or the outer side surface of the heat dissipation box 201 is provided with a first connecting part 402 along the width direction of the dust screen 204, the length direction of the cleaning brush 400 is extended along the length direction of the dust screen 204, the cleaning brush 400 is provided with a second connecting part 403, and the first connecting part 402 and the second connecting part 403 are connected in a sliding manner. The cleaning brush 400 and the heat dissipation box 201 are connected through the first connecting part 402 and the second connecting part 403, and the cleaning brush 400 moves along the heat dissipation box 201 through the relative sliding of the first connecting part 402 and the second connecting part 403, so that the cleaning brush 400 cleans the dust screen 204. In this embodiment, the dust screen 204 is rectangular, however, in other embodiments, the shape of the dust screen 204 may be other, for example, triangular, pentagonal, etc., and specifically, according to the actual needs, when the dust screen 204 is of other shapes, the moving path of the cleaning brush 400 may be such that the brush head 401 of the cleaning brush 400 covers all the parts of the dust screen 204, and the specific moving direction and extending direction are not limited herein.

In one embodiment, as shown in fig. 3, the first connection portion 402 is a limiting chute formed on the outer side surface of the heat dissipation box 201, and the second connection portion 403 is a protruding structure disposed on the cleaning brush 400, where the protruding structure is limited in the limiting chute and can slide along the limiting chute; or the first connecting part 402 is a protruding structure arranged on the outer side surface of the heat dissipation box 201, the second connecting part 403 is a limiting chute arranged on the cleaning brush 400, and the protruding structure is movably limited in the limiting chute. Through the sliding fit of protruding structure and spacing spout, realize the removal of cleaning brush 400, convenient and fast, simple structure. Specifically, the limit sliding groove is a T-shaped groove, the cross section of the protruding structure is T-shaped, and the T-shaped protruding structure is matched with the T-shaped limit sliding groove, so that the protruding structure can be limited in the limit sliding groove, and falling is avoided. Of course, in other embodiments, the limiting chute may have other shapes, such as arc, inverted triangle, etc., which are specifically set according to practical needs.

In another embodiment, the first connection portion 402 is a sliding rod disposed on the heat dissipation box 201, the second connection portion 403 is a connection ring disposed on the cleaning brush 400, the connection ring is slidably sleeved on the sliding rod, the connection between the cleaning brush 400 and the heat dissipation box 201 is achieved by connecting the connection ring with the sliding rod, and the connection ring can slide along the length direction of the sliding rod, so as to drive the cleaning brush 400 to move. Preferably, the connecting ring is in an openable and closable loop structure so that the connecting ring can be detached from the slide bar, facilitating replacement and maintenance of the cleaning brush 400.

In order to facilitate the cleaning of the dust screen 204 by the operator, the cleaning brush 400 is provided with a handle 205, and the handle 205 may have a U-shaped structure, a rod-shaped structure, a T-shaped structure, or the like, so that the operator can grasp the handle 205 to move the cleaning brush 400, thereby improving the cleaning smoothness and practicality.

As shown in fig. 1 and 4, further, the maintenance-friendly voltage regulator further includes at least one locking assembly 300, wherein the locking assembly 300 includes a first locking portion 301 and a second locking portion 302, the first locking portion is disposed in the case 1, the second locking portion 302 is disposed on a side of the heat dissipation case 201 near the inside of the case 1, and the first locking portion 301 is configured to be capable of fixing or releasing the second locking portion 302. The heat dissipation assembly 200 is embedded into the mounting opening, and the heat dissipation assembly 200 is fixed at the mounting opening through the locking assembly 300, so that the use stability of the heat dissipation assembly 200 is ensured. Specifically, the first locking portion 301 includes two clamping members that are disposed to move relatively in a first direction (E direction in the drawing), and the second locking portion 302 includes a lock cylinder that is disposed to protrude inside the heat dissipating box 201 near the box 1, the lock cylinder being located between the two clamping members, and the two clamping members being movable to clamp or unclamp the lock cylinder. After the radiating box body 201 is embedded into the mounting port, the radiating box body 201 is fixed by clamping the lock cylinder through relative movement of the two clamping pieces, and when the radiating assembly 200 needs to be disassembled, only the two clamping pieces are away from each other to loosen the lock cylinder, so that the radiating box is simple and convenient. Of course, in other embodiments, the first locking portion 301 may be a lock cylinder disposed on the case 1, and the second locking portion 302 may be two relatively moving clamping members disposed on the heat dissipating box 201 according to practical requirements.

Preferably, each heat dissipating component 200 corresponds to a plurality of locking components 300, that is, a plurality of second locking portions 302 are provided on the heat dissipating box 201, a plurality of first locking portions 301 are provided in the box 1, and the plurality of first locking portions 301 and the plurality of second locking portions 302 are connected in a one-to-one correspondence manner, which is beneficial to improving the fixing stability and reliability of the heat dissipating component 200. Illustratively, two lock cylinders are disposed on each heat dissipation box 201, two pairs of clamping members are disposed in the box 1 corresponding to the two lock cylinders, and one pair of clamping members can clamp or unclamp one lock cylinder, wherein the two lock cylinders are respectively disposed at two ends of the heat dissipation box 201, so as to further improve the installation stability of the heat dissipation assembly 200. Of course, in other embodiments, the number of lock cylinders on each heat dissipating assembly 200 may be other, such as 3, 4, or 5 lock cylinders per heat dissipating assembly 200.

More specifically, the first locking portion 301 further includes a lock case 3011 and a driving member, the lock case 3011 is disposed on an inner wall of the case 1, a guide hole 3012 is formed in the lock case 3011 in a first direction, both of the two clamping members penetrate the guide hole 3012, the driving member is disposed in the lock case 3011 and is in driving connection with the two clamping members, and the driving member can drive the two clamping members to approach or separate from each other. The lock box 3011 provides a mounting supporting function for the driving member, when the driving member drives the two clamping members to approach or separate from each other, the two clamping members can stably move along the first direction due to the limitation and the guiding function of the guiding hole 3012, so that the two clamping members are prevented from shaking or shifting in the moving process, and the use reliability of the locking assembly 300 is high.

In one embodiment, the driving member comprises two driving cylinders with opposite driving directions, and the two clamping members are respectively driven to be close to or far away from each other by the two driving cylinders, so that the two clamping members clamp the lock cylinder or unclamp the lock cylinder.

In another embodiment, the driving member includes a screw rod 3013, the screw rod 3013 extends along a first direction and is rotatably connected in the lock box 3011, one end of the screw rod 3013 extends out of the lock box 3011, two external threads with opposite directions are provided on the screw rod 3013, and two clamping members are located at one end of the lock box 3011 and are sleeved on the screw rod 3013 and are respectively in threaded connection with the two external threads. When the screw rod 3013 rotates, the screw rod 3013 is fixed in position, and the two clamping pieces are limited by the guide holes 3012, so that the two clamping pieces linearly move along the first direction along with the rotation of the screw rod 3013. The lead screw 3013 drives the clamping piece to move, namely, the rotation of the lead screw 3013 is converted into the linear motion of the clamping piece, the lead screw 3013 does not need to move in the first direction, the occupied space is small, the required operation space is also small, and the influence of other devices in the box body 1 is small.

Optionally, the lead screw 3013 can be driven by a motor, and also can be driven manually, and when the lead screw 3013 is driven by the motor, the motor is arranged on the lock box 3011 and is connected with one end of the lead screw 3013 extending out of the lock box 3011, and the motor is arranged to be convenient to operate, so that manpower is saved. When the lock box 3011 is driven manually, the operating handle 3018 is connected to one end of the screw rod 3013 extending out of the lock box 3011, and an operator drives the screw rod 3013 to rotate by holding the operating handle 3018 and then rotating, so that power is saved, and the risk of failure of the locking assembly 300 due to failure of an electric control mechanism such as a motor is reduced.

Still further, the clamping piece includes movable block 3014, connecting rod 3015 and chuck 3016, and two movable blocks 3014 are threaded respectively in two external screw threads, and the one end of connecting rod 3015 is connected in movable block 3014, and the other end passes guiding hole 3012, and the chuck 3016 is connected in the other end of connecting rod 3015, and the lock core is located between two chucks 3016. The clamping heads 3016 and the moving blocks 3014 are connected through the connecting rods 3015, the connecting rods 3015 are limited in the guide holes 3012, when the screw rods 3013 drive the moving blocks 3014 to move, the connecting rods 3015 move along the length of the guide holes 3012, namely move along a first direction, so that the clamping heads 3016 move along the first direction, the lock cylinders are clamped through the two clamping heads 3016, the first locking parts 301 and the second locking parts 302 are fixedly connected, and the heat dissipation assembly 200 is fixed on the box body 1; when the heat dissipating assembly 200 needs to be disassembled, only the screw rod 3013 needs to be rotated so that the two clamping heads 3016 release the lock cylinders.

Preferably, the lock grooves 3017 are respectively formed on opposite sides of the two clamping heads 3016, the lock cylinder comprises a lock head 3022 and a lock rod 3021, one end of the lock rod 3021 is connected to the heat dissipation box 201, the lock head 3022 is connected to the other end of the lock rod 3021 and extends along the first direction, and two ends of the lock head 3022 can be respectively clamped into the two lock grooves 3017. When the two clamping heads 3016 are close to two ends of the lock head 3022 until the two ends of the lock head 3022 are clamped into the two locking grooves 3017, the lock cylinder is clamped firmly, the locking grooves 3017 provide good stable fixing and limiting effects for the lock cylinder, and locking failure of the locking assembly 300 due to forced sliding after the lock cylinder is clamped by the clamping heads 3016 is avoided. Optionally, the lock groove 3017 is arc-shaped, and two ends of the lock head 3022 are arc-shaped, so that the arc-shaped lock groove 3017 can play a certain guiding role, and the lock head 3022 can be smoothly clamped into the lock groove 3017. Of course, in other embodiments, the shape of the lock slot 3017 may be other, such as rectangular or V-shaped, and the like, as may be specifically desired.

Further preferably, two ends of the outer side surface of the heat dissipation box 201 are respectively provided with a limiting plate 500, the limiting plates 500 can be abutted against the outer wall of the box 1, and when the limiting plates 500 are abutted against the outer wall of the box 1, two ends of the lock head 3022 are opposite to the two locking grooves 3017. Through setting up limiting plate 500, when embedding the heat dissipation box body 201 into the installing port, avoided the heat dissipation box body 201 to pass the installing port and fall into in the box body 1, and make the tapered end 3022 on the heat dissipation box body 201 just to locking groove 3017, when being close to tapered end 3022 two chuck 3016 of being convenient for, locking groove 3017 can be smooth with tapered end 3022 joint, improves the closure smoothness. Illustratively, the limiting plate 500 is L-shaped, the transverse plate of the limiting plate 500 is connected to one end of the outer side surface of the heat dissipation box 201, and the vertical plate of the limiting plate 500 is parallel to the end surface of the heat dissipation box 201, i.e. the limiting plate 500 is flush with the outer side surface of the heat dissipation box 201, which is beneficial to improving the aesthetic property.

Example two

The present embodiment provides a voltage regulator which is easy to maintain, and has substantially the same structure as that of the first embodiment, and is improved only on the basis of the first embodiment. Therefore, only the differences between the two are described herein, and the same structure as that of the first embodiment of the present embodiment will not be described herein.

The first locking portion 301 includes a mounting seat and a plug pin moving along a preset direction and disposed on the mounting seat, the second locking portion 302 includes a plug pin seat disposed inside the heat dissipation box 201 and close to the box 1, a jack is disposed on the plug pin seat along the preset direction, and the plug pin can move to pass through the jack. The fixing and releasing of the heat radiation assembly 200 are realized by inserting the bolt into the jack or extracting from the jack, the structure is simple, the cost is low, and the operation is convenient.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. A maintenance-friendly voltage regulator, comprising:

The box body (1), at least one side wall of the box body (1) is provided with an installation opening;

The heat dissipation assembly (200) is detachably connected to one mounting port, the heat dissipation assembly (200) comprises a heat dissipation box body (201) and a heat dissipation fan (202), the heat dissipation box body (201) is embedded in the mounting port, a heat dissipation hole (203) is formed in a side wall, close to the box body (1), of the heat dissipation box body (201), an air port is formed in a side wall, away from the box body (1), of the heat dissipation box body, and the heat dissipation fan (202) is arranged in the heat dissipation box body (201) and can exhaust air or blow air into the box body (1);

At least one locking assembly (300), the locking assembly (300) comprising a first locking portion (301) and a second locking portion (302), the first locking portion being arranged in the case (1), the second locking portion (302) being arranged on a side of the heat dissipating box (201) close to the inside of the case (1), the first locking portion (301) being configured to be able to fix or release the second locking portion (302).

2. The voltage regulator according to claim 1, wherein the first locking portion (301) comprises two clamping members arranged to move relatively in a first direction, and the second locking portion (302) comprises a lock cylinder protruding from the heat dissipating case (201) near the inside of the case (1), the lock cylinder being located between the two clamping members, and the two clamping members being movable to clamp or unclamp the lock cylinder.

3. The maintenance-friendly voltage regulator as defined in claim 2, wherein said first locking portion (301) further comprises:

the lock box (3011) is arranged on the inner wall of the box body (1), guide holes (3012) are formed in the lock box (3011) in an extending mode along the first direction, and the two clamping pieces penetrate through the guide holes (3012);

The driving piece is arranged in the lock box (3011) and is in driving connection with the two clamping pieces, and the driving piece can drive the two clamping pieces to be close to or far away from each other.

4. The voltage stabilizer convenient to maintain according to claim 3, wherein the driving member comprises a screw rod (3013), the screw rod (3013) extends along the first direction and is rotatably connected in the lock box (3011), one end of the screw rod extends out of the lock box (3011), two external threads with opposite directions are arranged on the screw rod (3013), and two clamping members are positioned at one end of the lock box (3011) and are sleeved on the screw rod (3013) and are respectively connected with the two external threads in a threaded manner.

5. The voltage stabilizer convenient to maintain according to claim 4, wherein the clamping piece comprises a moving block (3014), a connecting rod (3015) and a chuck (3016), the two moving blocks (3014) are respectively in threaded connection with the two external threads, one end of the connecting rod (3015) is connected with the moving block (3014), the other end of the connecting rod passes through the guide hole (3012), the chuck (3016) is connected with the other end of the connecting rod (3015), and the lock cylinder is located between the two chucks (3016).

6. The voltage stabilizer convenient to maintain according to claim 5, wherein locking grooves (3017) are formed in opposite sides of the two clamping heads (3016) respectively, the lock cylinder comprises a lock head (3022) and a lock rod (3021), one end of the lock rod (3021) is connected to the heat dissipation box body (201), the lock head (3022) is connected to the other end of the lock rod (3021) and extends along the first direction, and two ends of the lock head (3022) can be respectively clamped into the two locking grooves (3017).

7. The maintenance-friendly voltage regulator as defined in any one of claims 1-6, wherein the heat sink assembly (200) further comprises:

And the dustproof net (204) is embedded in the air port.

8. The maintenance-friendly voltage regulator of claim 7, wherein the maintenance-friendly voltage regulator further comprises:

and the cleaning brush (400) is movably arranged on the outer side surface of the radiating box body (201) along the length direction or the width direction of the dustproof net (204), and a brush head (401) of the cleaning brush (400) is contacted with the dustproof net (204).

9. The voltage stabilizer convenient to maintain according to claim 8, characterized in that a first connecting portion (402) is provided on an outer side surface of the heat dissipation case (201) along a length direction of the dust screen (204), the length direction of the cleaning brush (400) is extended along a width direction of the dust screen (204), a second connecting portion (403) is provided on the cleaning brush (400), and the first connecting portion (402) and the second connecting portion (403) are slidingly connected; or (b)

The heat dissipation box body (201) is characterized in that a first connecting portion (402) is arranged on the outer side face of the heat dissipation box body (201) along the width direction of the dustproof net (204), the cleaning brush (400) is arranged in the length direction of the dustproof net (204) in an extending mode, a second connecting portion (403) is arranged on the cleaning brush (400), and the first connecting portion (402) is connected with the second connecting portion (403) in a sliding mode.

10. The voltage stabilizer convenient to maintain according to claim 9, characterized in that the first connecting portion (402) is a limiting chute formed on the outer side surface of the heat dissipation box body (201), the second connecting portion (403) is a protruding structure formed on the cleaning brush (400), and the protruding structure is limited in the limiting chute and can slide along the limiting chute; or (b)

The first connecting part (402) is a protruding structure arranged on the outer side face of the radiating box body (201), the second connecting part (403) is a limiting chute arranged on the cleaning brush (400), and the protruding structure is movably limited in the limiting chute.