CN217721909U

CN217721909U - Mining frequency converter cooling device

Info

Publication number: CN217721909U
Application number: CN202221884194.2U
Authority: CN
Inventors: 方旭东; 傅彦春; 张康; 张福贵; 吕书洲
Original assignee: Jiaozuo Huachen Electronic Technology Co ltd
Current assignee: Jiaozuo Huachen Electronic Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-01
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to a converter cooling device field specifically discloses a mining converter cooling device, mining converter cooling device includes converter casing and cold water machine, the left side of converter casing is provided with heating panel one, and the left side of heating panel one is provided with fixed frame, the inboard of fixed frame is connected with annular copper pipe, and threaded connection has raceway one on the front end of fixed frame, threaded connection has raceway two under the front end of fixed frame, the cold water machine sets up in raceway two's right side, and beneficial effect does: through the setting of cold water machine for when the converter need utilize cooling device to carry out auxiliary cooling, cold water machine can directly cool off normal atmospheric temperature water, after falling to certain temperature under the normal atmospheric temperature, just can cool off the converter, thereby when avoiding ambient temperature higher, the phenomenon that cooling effect worsened appears in cooling device, and then avoids the converter overheated phenomenon to appear in the use.

Description

Mining frequency converter cooling device

Technical Field

The utility model relates to a converter cooling field specifically is a mining converter cooling device.

Background

The frequency converter is the application frequency conversion technique and the microelectronic technique, control alternating current motor's power control equipment through changing motor working power supply frequency mode, its application range is comparatively extensive, the colliery is in the exploitation in-process, also need utilize the frequency converter to change mining electric energy, control, the frequency converter also can carry out frequency conversion energy-conservation to mining fan simultaneously, the frequency converter also can produce certain heat in the use, its heat is generally discharged through the louvre, but the frequency converter carries out high strength during operation, the untimely phenomenon of heat dissipation appears in the louvre easily, therefore the frequency converter just need utilize cooling device to carry out supplementary heat dissipation to self.

The patent of current publication No. CN215072105U, entitled "cooling device of converter", the device adopts the air-cooler to assist the cooling to whole device, but the cooling effect of air-cooler mainly depends on the temperature of interpolation water, and when ambient temperature was higher, the normal atmospheric temperature that adds into in the air-cooler was also higher, just leads to the air current temperature that the air-cooler blew off also higher, and the device just leads to the overheated phenomenon to appear in the organism because of unable quick cooling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining converter cooling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a mining converter cooling device, mining converter cooling device includes converter casing and cold water machine, the left side of converter casing is provided with heating panel one, and the left side of heating panel one is provided with fixed frame, the inboard of fixed frame is connected with annular copper pipe, and threaded connection has raceway one on the front end of fixed frame, threaded connection has raceway two below the front end of fixed frame, the cold water machine sets up in raceway two's right side.

Preferably, the fan is installed to the inboard left end of converter casing, and the front end right side top fixed mounting of converter casing has the thermometer.

Preferably, the left end and the right end of the second water pipe are fixedly connected with radiating fins which are distributed equidistantly around the center line of the second water pipe.

Preferably, a second heat dissipation plate is fixedly mounted on the right side of the frequency converter shell, and an auxiliary heat dissipation port is formed in the top end of the frequency converter shell.

Preferably, a sealing assembly is arranged above the auxiliary heat dissipation port, and the cross section of the auxiliary heat dissipation port is rectangular in plan view.

Preferably, the sealing assembly comprises a ventilation plate and an electric telescopic rod, and the electric telescopic rod is fixedly connected to the right side of the ventilation plate.

Preferably, the annular copper pipe is communicated with the water delivery pipe I, and the fixing frame is fixedly connected with the annular copper pipe.

Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of the water cooler, when the frequency converter needs to be subjected to auxiliary cooling by using the cooling device, the water cooler can directly cool normal-temperature water, and the frequency converter can be cooled after the normal-temperature water is cooled to a certain temperature, so that the phenomenon that the cooling effect of the cooling device is poor when the external temperature is high is avoided, and the phenomenon that the frequency converter is overheated in the use process is further avoided;

1. the utility model discloses after converter casing assembles the converter with other electronic component and equipment, it just can be applied to the coal mining field, when the converter need carry out high strength during operation, operating personnel opens the cold water machine, the cold water machine just can cool off the normal atmospheric temperature water in self inside water tank, after the normal atmospheric temperature water cooling reaches certain temperature, the pump body that the cold water machine inside set up just can carry the water that has cooled in the water tank into annular copper pipe through raceway one, after the cooling water gets into annular copper pipe, just can take away the heat of a heating panel surface in the in-process of circulating, thereby reach the refrigerated purpose, improve the radiating efficiency of converter, avoid the overheated phenomenon to appear in the converter, adopt the setting of cold water machine simultaneously, when making operating personnel need utilize cooling device to cool off the converter, can be according to the demand, adjust the temperature of normal atmospheric temperature water, thereby make the normal atmospheric temperature water after the cooling can be better cool off the converter, and then avoid the overheated phenomenon to appear in the converter;

2. the utility model discloses the thermometer is the same with current temperature measurement instrument principle completely, and the thermometer can be in the process that the converter used, and the temperature in the surrounding environment of real-time detection, when ambient temperature was higher, and the working strength of converter was great, operating personnel can utilize the water-cooling mode in time to cool off the converter to can accelerate the radiating rate of converter, avoid the converter overheated phenomenon to appear;

3. the utility model discloses electric telescopic handle can be at the in-process that the ventilating board used, utilize the flexible ventilating board that drives of self to reciprocate, when the converter use intensity is not big, operating personnel starts electric telescopic handle, electric telescopic handle utilizes the extension of self just can up promote the ventilating board, the ventilating board is at the removal in-process, the left flexible post of ventilating board also can stretch out and draw back thereupon, electric telescopic handle is until extending when furthest, supplementary thermovent just can expose in the air, thereby can make the inside that the natural wind can more smooth and easy entering converter casing, make the converter can be better dispel the heat.

Drawings

FIG. 1 is a schematic structural view of a mining frequency converter cooling device of the present invention;

FIG. 2 is a schematic side view of the fixing frame and the annular copper tube of the cooling device of the mining frequency converter of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 of the cooling device of the mining frequency converter of the present invention;

fig. 4 is a schematic three-dimensional structure diagram of a water pipe II and a heat dissipation fin of the mining frequency converter cooling device of the present invention;

fig. 5 is the utility model relates to a mining converter cooling device's supplementary thermovent and ventilating board orthographic view enlarge the schematic diagram.

In the figure: 1. a frequency converter housing; 2. a first heat dissipation plate; 3. a fixing frame; 4. a water delivery pipe I; 5. a water delivery pipe II; 6. a water chiller; 7. an annular copper tube; 8. a fan; 9. a heat dissipating fin; 10. a thermometer; 11. a second heat dissipation plate; 12. an auxiliary heat dissipation port; 13. a seal assembly; 1301. a ventilation board; 1302. an electric telescopic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are illustrative of some, but not all, embodiments of the invention and are not to be construed as limiting the scope of the invention, as those skilled in the art will recognize and appreciate that many other embodiments can be made without inventive faculty.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

For simplicity and illustrative purposes, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a mining frequency converter cooling device comprises a mining frequency converter cooling device body and a water chiller 6, wherein a first heat dissipation plate 2 is arranged on the left side of the frequency converter body 1, a fixing frame 3 is arranged on the left side of the first heat dissipation plate 2, an annular copper pipe 7 is connected to the inner side of the fixing frame 3, a first water delivery pipe 4 is in threaded connection with the upper front end of the fixing frame 3, the water chiller 6 is arranged on the right side of a second water delivery pipe 5, the annular copper pipe 7 is communicated with the first water delivery pipe 4, the fixing frame 3 is fixedly connected with the annular copper pipe 7, the frequency converter body 1 can be applied to the field of coal mining after being assembled with other electronic components and equipment into a frequency converter, when the frequency converter needs to work at high strength, an operator opens the water chiller 6, the water chiller 6 can cool normal-temperature water in a water tank inside the frequency converter body, and after the normal-temperature water is cooled to a certain temperature, the pump body arranged inside the water cooler 6 can convey cooled water in the water tank into the annular copper pipe 7 through the water conveying pipe 4, after the cooled water enters the annular copper pipe 7, the heat on the surface of the first radiating plate 2 can be taken away in the circulating process, so that the cooling purpose is achieved, the heat dissipation efficiency of the frequency converter is improved, the phenomenon that the frequency converter is overheated is avoided, meanwhile, the water cooler 6 is arranged, when an operator needs to utilize the cooling device to cool the frequency converter, the temperature of the normal-temperature water can be adjusted according to the requirement, so that the cooled normal-temperature water can better cool the frequency converter, the phenomenon that the frequency converter is overheated is further avoided, the fan 8 is arranged at the left end of the inner side of the frequency converter shell 1, the thermometer 10 is fixedly arranged above the right side of the front end of the frequency converter shell 1, and the principle of the thermometer 10 is completely the same as that of the existing temperature measuring instrument, thermometer 10 can be at the in-process that the converter used, and the temperature in the environment around the real-time detection is higher when ambient temperature, and the working strength of converter is great, and operating personnel can in time utilize water-cooled mode to cool off the converter to can accelerate the radiating rate of converter, avoid the overheated phenomenon to appear in the converter, the right side fixed mounting of converter casing 1 has heating panel two 11.

Referring to fig. 3-5, a water pipe two 5 is screwed below the front end of the fixing frame 3, heat dissipation fins 9 are fixedly connected to both left and right ends of the water pipe two 5, and the heat dissipation fins 9 are distributed equidistantly with respect to the center line of the water pipe two 5, when the water in the annular copper pipe 7 is conveyed into the water pipe two 5 for circulation, the heat dissipation fins 9 can accelerate the heat dissipation of the water in the water pipe two 5, so as to reduce the temperature of the water flowing in the water pipe two 5 to a certain extent, and avoid the overheating of the water conveyed into the water cooler 6 by the water pipe two 5, an auxiliary heat dissipation port 12 is provided at the top end of the frequency converter housing 1, a sealing component 13 is provided above the auxiliary heat dissipation port 12, the cross section of the auxiliary heat dissipation port 12 is rectangular when viewed from above, the sealing component 13 includes a ventilation plate 1301 and an electric telescopic rod 1302, and the right side fixedly connected with electric telescopic handle 1302 of ventilating slab 1301, electric telescopic handle 1302 can be at the in-process that ventilating slab 1301 used, utilize the flexible ventilating slab 1301 of self to reciprocate, when the converter use intensity is little, operating personnel starts electric telescopic handle 1302, electric telescopic handle 1302 utilizes the extension of self just can be with ventilating slab 1301 up promoting, ventilating slab 1301 is at the removal in-process, the left flexible post of ventilating slab 1301 also can stretch out and draw back thereupon, electric telescopic handle 1302 is until extending to during furthest, supplementary thermovent 12 just can be exposed in the air, thereby can make the inside that natural wind can more smooth and easy entering converter casing 1, make the converter can be better dispel the heat.

The working principle is as follows: in practical use, firstly, as shown in fig. 1, after the frequency converter housing 1 and corresponding electronic components and equipment are assembled into the frequency converter, the frequency converter can be applied to the field of coal mining, when the frequency converter is in use, an operator can judge the height of the environmental temperature by observing the thermometer 10, when the environmental temperature is high and the working strength of the frequency converter is high, the operator opens the water cooler 6, the water cooler 6 can cool the normal temperature water in the water tank inside the frequency converter, when the normal temperature water is cooled to a certain temperature, as shown in fig. 2, the pump body arranged inside the water cooler 6 can convey the cooled water in the water tank into the annular copper pipe 7 through the water conveying pipe one 4, and when the cooling water circulates in the annular copper pipe 7, the heat on the surface of the heat dissipation plate one 2 can be taken away, and after the cooling water is cooled, as shown in fig. 3 and 4, the cooled water can enter the water conveying pipe two 5, in the process that the cooling water circulates in the water pipe II 5, the cooling fins 9 can accelerate the cooling speed of the cooling water, so that the cooling of the cooling water is promoted to a certain extent, the phenomenon that the temperature of the water conveyed into the water cooler 6 by the water pipe II 5 is too high is further avoided, after the cooling water flows into the water cooler 6, the water cooler 6 can continue to cool the water, after cooling, the frequency converter can be cooled again, so that circulating cooling is achieved, the phenomenon that the frequency converter is overheated is avoided, meanwhile, according to the illustration in fig. 5, the environmental temperature is normal, when the service strength of the frequency converter is not large, an operator starts the electric telescopic rod 1302, the electric telescopic rod 1302 can push the ventilating plate 1301 upwards by utilizing the self extension of the electric telescopic rod 1302, and the telescopic columns on the left side of the ventilating plate 1301 can also stretch and retract along with the air telescopic rod in the moving process, when the electric telescopic rod 1302 extends to the maximum, the auxiliary heat dissipation opening 12 can be exposed in the air, so that natural wind can enter the inside of the frequency converter shell 1 more smoothly, and the frequency converter can dissipate heat better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mining converter cooling device which characterized in that: mining converter cooling device includes converter casing (1) and cold water machine (6), the left side of converter casing (1) is provided with heating panel (2), and the left side of heating panel (2) is provided with fixed frame (3), the inboard of fixed frame (3) is connected with annular copper pipe (7), and threaded connection has raceway (4) on the front end of fixed frame (3), the front end below threaded connection of fixed frame (3) has raceway two (5), cold water machine (6) set up in the right side of raceway two (5).

2. The mining frequency converter cooling device according to claim 1, characterized in that: fan (8) are installed to the inboard left end of converter casing (1), and the front end right side top fixed mounting of converter casing (1) has thermometer (10).

3. The mining frequency converter cooling device according to claim 1, characterized in that: the left end and the right end of the second water pipe (5) are fixedly connected with radiating fins (9), and the radiating fins (9) are distributed at equal intervals relative to the center line of the second water pipe (5).

4. The mining frequency converter cooling device according to claim 1, characterized in that: and a second heat dissipation plate (11) is fixedly mounted on the right side of the frequency converter shell (1), and an auxiliary heat dissipation port (12) is formed in the top end of the frequency converter shell (1).

5. The mining frequency converter cooling device according to claim 4, characterized in that: a sealing assembly (13) is arranged above the auxiliary heat dissipation port (12), and the cross section of the auxiliary heat dissipation port (12) is rectangular in plan view.

6. The mining frequency converter cooling device according to claim 5, characterized in that: the sealing assembly (13) comprises a ventilation plate (1301) and an electric telescopic rod (1302), and the electric telescopic rod (1302) is fixedly connected to the right side of the ventilation plate (1301).

7. The mining frequency converter cooling device according to claim 1, characterized in that: the annular copper pipe (7) is communicated with the water delivery pipe I (4), and the fixing frame (3) is fixedly connected with the annular copper pipe (7).