CN210352005U

CN210352005U - Rural power grids circuit control mainboard that heat dispersion is good

Info

Publication number: CN210352005U
Application number: CN201921407780.6U
Authority: CN
Inventors: 梁锦
Original assignee: Hefei Juchuan Electronic Technology Co ltd
Current assignee: Hefei Juchuan Electronic Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-04-17
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a rural power grids circuit control mainboard that heat dispersion is good, including bottom plate and the mainboard body of setting in the bottom plate upper end, the device groove has been seted up to the lower extreme of bottom plate, the lateral wall of bottom plate has the motor through support fixed mounting, the output shaft of motor runs through to the device inslot, just the terminal coaxial fixedly connected with reciprocating screw of output shaft of motor, install on the reciprocating screw and be used for the radiating heat dissipation mechanism of mainboard body, the radiating groove has been seted up to the upper end of bottom plate. The utility model discloses a set up positioning mechanism, fixed establishment, heat dissipation mechanism, ventilation hole and radiating groove, can install the mainboard body on the bottom plate very firmly, avoid the mainboard to take place to damage when receiving external force collision because of the installation unstability to can carry out continuous ground thermal treatment to each position of mainboard body uniformly, the radiating effect is good, avoids the mainboard body to break down because of the high temperature.

Description

Rural power grids circuit control mainboard that heat dispersion is good

Technical Field

The utility model relates to a rural electric network technical field especially relates to a rural power grids circuit control mainboard that heat dispersion is good.

Background

The rural power grid is a rural power grid for short, and is used for supplying power distribution networks of 110kv or below for users in counties, towns, agricultural reclamation areas and forestry and pasturing areas, and a control main board of the rural power grid is a core control component for ensuring the power supply voltage and normal operation of the rural power grid.

Because its self importance of rural power grids, the control mainboard is under high load operating condition for a long time, and it has the electric current to pass through to be unanimous on its electrical components, consequently the control mainboard can be in a higher temperature, if not in time dispel the heat to it, can lead to the electrical components on the control mainboard conduction rate to reduce by a wide margin to make the control mainboard break down, and then lead to the rural power grids breakdown, cause huge loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the rural power grids circuit control mainboard that a heat dispersion is good that proposes, it is through setting up positioning mechanism, fixed establishment, heat dissipation mechanism, ventilation hole and radiating groove, can install the mainboard body on the bottom plate very firmly, avoid the mainboard to take place to damage when receiving external force collision because of the installation unstability, and can carry out the continuous heat dissipation processing to each position of mainboard body uniformly, the radiating effect is good, avoid the mainboard body to break down because of the high temperature.

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

the utility model provides a rural power grids circuit control mainboard that heat dispersion is good, includes the bottom plate and sets up the mainboard body in the bottom plate upper end, the device groove has been seted up to the lower extreme of bottom plate, the lateral wall of bottom plate has the motor through support fixed mounting, the output shaft of motor runs through to the device inslot, just the terminal coaxial fixedly connected with reciprocal lead screw of output shaft of motor, install on the reciprocal lead screw and be used for the radiating heat dissipation mechanism of mainboard body, the radiating groove has been seted up to the upper end of bottom plate, the bottom all is equipped with the ventilation hole of multichannel and device groove intercommunication in the radiating groove, the equal fixedly connected with installation piece of both ends lateral wall of mainboard body, the positioning mechanism who is used for mainboard body location to install on the bottom plate is installed to the installation piece lower extreme, install the fixed establishment who is.

Preferably, the heat dissipation mechanism comprises a sleeve and a heat dissipation fan, the sleeve is in threaded connection with the reciprocating lead screw, and the heat dissipation fan is fixedly installed at the upper end of the sleeve.

Preferably, the positioning mechanism comprises a positioning rod and positioning holes, the positioning rod is fixedly connected to the lower end of the mounting piece, the two positioning holes are respectively formed in two sides of the upper end of the bottom plate, and the positioning rod is inserted into the positioning holes.

Preferably, the fixing mechanism comprises a fixing pin, a first pin hole and a second pin hole, the first pin hole is formed in the side wall of the bottom plate and communicated with the positioning hole, the second pin hole is formed in the side wall of the positioning rod, the first pin hole is matched with the second pin hole, and the fixing pin is sequentially inserted into the first pin hole and the second pin hole.

Preferably, the fixing pin and the first pin hole and the second pin hole are in interference fit.

Preferably, the lower end of the mounting piece is provided with a wear-resistant piece at the contact position with the bottom plate.

The utility model discloses following beneficial effect has:

1. by arranging the positioning mechanism and the mounting mechanism, the main board body can be accurately mounted at a specified position at the upper end of the bottom plate through the large matching of the positioning rod and the positioning hole, and the main board body is stably fixed on the bottom plate through the matching of the fixing pin and the first pin hole and the second pin hole, so that the main board body is prevented from being damaged due to shaking caused by external impact;

2. through setting up heat dissipation mechanism, ventilation hole and radiating groove, can be rotated by the reciprocal lead screw of motor drive, and then promote sleeve and radiator fan horizontal reciprocating motion, in even blowing cold wind into the radiating groove, take place the heat exchange with the hot-air of radiating groove, make the temperature in the radiating groove reduce by a wide margin, realize the heat dissipation that lasts to the mainboard body, the radiating effect is good, has avoided the mainboard body to break down because of the high temperature.

Drawings

Fig. 1 is a schematic structural view of a rural power grid circuit control main board with good heat dissipation performance according to the present invention;

fig. 2 is a top view of the bottom plate according to the present invention;

fig. 3 is an enlarged schematic view of a structure of fig. 1.

In the figure: the device comprises a base plate 1, a device groove 2, a support 3, a motor 4, a sleeve 5, a cooling fan 6, a reciprocating lead screw 7, a cooling groove 8, a vent hole 9, a main board body 10, an installation piece 11, a fixing pin 12, a positioning hole 13, a positioning rod 14, a first pin hole 15 and a second pin hole 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a rural power grid circuit control mainboard with good heat dissipation performance comprises a bottom plate 1 and a mainboard body 10 arranged at the upper end of the bottom plate 1, a device groove 2 is formed at the lower end of the bottom plate 1, a motor 4 is fixedly mounted on the side wall of the bottom plate 1 through a support 3, an output shaft of the motor 4 penetrates into the device groove 2, a reciprocating lead screw 7 is coaxially and fixedly connected to the tail end of the output shaft of the motor 4, and a heat dissipation mechanism used for dissipating heat of the mainboard body 10 is mounted on the reciprocating lead screw 7.

It should be noted that the motor 4 is a micro motor with model number RK-520, i.e., a 3448 type dc micro motor, and the electric control technology of the micro motor is the prior art and is not described herein.

The heat dissipation mechanism comprises a sleeve 5 and a heat dissipation fan 6, the sleeve 5 is in threaded connection with a reciprocating lead screw 7, the heat dissipation fan 6 is fixedly installed at the upper end of the sleeve 5, the electric control technology of the heat dissipation fan 6 is the prior art, the motor 4 drives the reciprocating lead screw 7 to rotate, and therefore when the sleeve 5 is pushed to horizontally reciprocate, the heat dissipation fan 6 can fully dissipate heat of the main board body 10 along with the sleeve 5 horizontally reciprocate.

Radiating groove 8 has been seted up to bottom plate 1's upper end, and the bottom all is equipped with multichannel and the ventilation hole 9 that sets up groove 2 intercommunication in the radiating groove 8, and the setting up of radiating groove 8 and ventilation hole 9 can make the cold air that rises under the cooling fan 6 effect take place abundant heat exchange with the hot-air that produces because of mainboard body 10 self temperature with the radiating groove 8 in to dispel the heat to mainboard body 10 has promoted the radiating effect.

The equal fixedly connected with installation piece 11 of both ends lateral wall of mainboard body 10, the positioning mechanism who is used for installing mainboard body 10 location on bottom plate 1 is installed to installation piece 11 lower extreme, and positioning mechanism includes locating lever 14 and locating hole 13, and locating lever 14 fixed connection is at installation piece 11 lower extreme, and two locating holes 13 are seted up respectively in 1 upper end both sides of bottom plate, and locating lever 14 inserts and establishes in locating hole 13.

The positioning rod 14 is cylindrical, the cross-sectional area of the positioning rod is slightly smaller than that of the positioning hole 13, and when positioning and mounting are performed, the main board body 10 can be stably mounted at the upper end of the bottom board 1 only by aligning the positioning rod 14 with the positioning hole 13 and pushing the mounting piece 11 downwards with force.

The fixing mechanism for fixing the main board body 10 is installed on the side wall of the bottom board 1 and comprises a fixing pin 12, a first pin hole 15 and a second pin hole 16, the first pin hole 15 is formed in the side wall of the bottom board 1 and communicated with the positioning hole 13, the second pin hole 16 is formed in the side wall of the positioning rod 14, the first pin hole 15 is matched with the second pin hole 16, and the fixing pin 12 is sequentially inserted into the first pin hole 15 and the second pin hole 16.

The cross-sectional areas of the first pin hole 15 and the second pin hole 16 are completely the same, and when the positioning rod 14 times is pushed to the bottommost part of the positioning hole 13 and cannot be pushed downwards any more, the first pin hole 15 and the second pin hole 16 are exactly aligned completely, and the fixing pin 12 can be inserted at the moment.

The fixing pin 12 is in interference fit with the first pin hole 15 and the second pin hole 16, so that the main board body 10 can be very stably fixed at the upper end of the bottom board without deviation.

Wear-resisting piece is installed with the contact position of bottom plate 1 to installation piece 11 lower extreme, and wear-resisting piece adopts soft materials to make, both can be used for preventing that the staff from carelessly causing the damage to mainboard body 10 when the installation, can also reduce the wearing and tearing of installation piece 11 self, promotes its life.

The utility model discloses in, during the installation staff handheld mainboard body 10 aligns locating hole 13 with locating lever 14, promotes installation piece 11 downwards, makes locating lever 14 insert in locating hole 13, when treating that locating lever 14 can not move down again, inserts first pinhole 15 and second pinhole 16 with fixed pin 12 in proper order, accomplishes the fixed mounting of mainboard body 10.

During the use, starter motor 4 and radiator fan 6, motor 4 drives reciprocal lead screw 7 and rotates, thereby promote sleeve 5 and radiator fan 6 along horizontal direction reciprocating motion, radiator fan 6 is even blows cold wind into radiating groove 8 through ventilation hole 9, take place heat exchange with the hot-air that the radiating groove 8 internal causes mainboard body 10 intensification, make the temperature in the radiating groove 8 reduce by a wide margin, thereby realize the heat dissipation that lasts to mainboard body 10, the radiating effect is good, mainboard body 10 has been avoided breaking down because of the high temperature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rural power grid circuit control mainboard with good heat dissipation performance comprises a bottom plate (1) and a mainboard body (10) arranged at the upper end of the bottom plate (1), and is characterized in that a device groove (2) is formed in the lower end of the bottom plate (1), a motor (4) is fixedly mounted on the side wall of the bottom plate (1) through a support (3), an output shaft of the motor (4) penetrates into the device groove (2), a reciprocating lead screw (7) is coaxially and fixedly connected with the tail end of the output shaft of the motor (4), a heat dissipation mechanism used for dissipating heat of the mainboard body (10) is mounted on the reciprocating lead screw (7), a heat dissipation groove (8) is formed in the upper end of the bottom plate (1), a plurality of ventilation holes (9) communicated with the device groove (2) are formed in the bottom of the heat dissipation groove (8), and mounting pieces (11) are fixedly connected with the side walls at two ends of the mainboard body, the mounting plate is characterized in that a positioning mechanism used for positioning and mounting the main board body (10) on the bottom plate (1) is mounted at the lower end of the mounting plate (11), and a fixing mechanism used for fixing the main board body (10) is mounted on the side wall of the bottom plate (1).

2. The rural power grid circuit control main board with good heat dissipation performance according to claim 1, wherein the heat dissipation mechanism comprises a sleeve (5) and a heat dissipation fan (6), the sleeve (5) is in threaded connection with a reciprocating lead screw (7), and the heat dissipation fan (6) is fixedly mounted at the upper end of the sleeve (5).

3. The rural power grid circuit control main board with good heat dissipation performance according to claim 1, wherein the positioning mechanism comprises a positioning rod (14) and positioning holes (13), the positioning rod (14) is fixedly connected to the lower end of the mounting plate (11), the two positioning holes (13) are respectively formed in two sides of the upper end of the bottom plate (1), and the positioning rod (14) is inserted into the positioning holes (13).

4. The rural power grid circuit control main board with good heat dissipation performance according to claim 3, wherein the fixing mechanism comprises a fixing pin (12), a first pin hole (15) and a second pin hole (16), the first pin hole (15) is formed in a side wall of the bottom plate (1) and communicated with the positioning hole (13), the second pin hole (16) is formed in a side wall of the positioning rod (14), the first pin hole (15) is matched with the second pin hole (16), and the fixing pin (12) is sequentially inserted into the first pin hole (15) and the second pin hole (16).

5. The rural power grid circuit control main board with good heat dissipation performance according to claim 4, wherein the fixing pin (12) is in interference fit with the first pin hole (15) and the second pin hole (16).

6. The rural power grid circuit control main board with good heat dissipation performance according to claim 1, wherein a wear-resistant plate is mounted at a contact position between the lower end of the mounting plate (11) and the bottom plate (1).