CN212086709U

CN212086709U - Frequency converter with explosion-proof structure

Info

Publication number: CN212086709U
Application number: CN202021143537.0U
Authority: CN
Inventors: 杨建栋; 侯圣亮; 孔亭亭
Original assignee: Shandong Suda Electric Co ltd
Current assignee: Shandong Suda Electric Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-12-04
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a converter with explosion-proof construction, the power distribution box comprises a box body, the fixed outer framework that is equipped with in inside of box has seted up a plurality of air vent in the outer framework, the inside of outer framework is equipped with interior framework, the inside fixed mounting of interior framework has the converter body, interior framework installs the inside at outer framework through a plurality of to elastic component, the fixed rectangle fin that is equipped with in middle part of interior framework, the fan is installed to one side fixed interlude of outer framework, the both sides of box all inlay and be equipped with first filter screen, the fixed rainwater groove that is equipped with in top of box, the inside fixed mounting that gathers the rainwater groove has the immersible pump, the beneficial effects of the utility model are that: normal air-cooled heat dissipation can be carried out through the fan, can flow into the water-cooling pore through pipeline assembly with the inside water of rain groove through the immersible pump, carries out the water-cooled heat dissipation, improves the radiating effect of converter through the purpose that combines together forced air cooling and water-cooling, improves explosion-proof ability then.

Description

Frequency converter with explosion-proof structure

Technical Field

The utility model relates to a converter, in particular to converter with explosion-proof construction belongs to converter technical field.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off the internal IGBT, and provides the required power supply voltage according to the actual requirement of the motor, thereby achieving the purposes of energy conservation and speed regulation.

The existing frequency converter is generally exposed to use in the air, can interfere the use of the frequency converter very much for a long time, and the continuous use of the frequency converter generates high heat, so that the service life of the frequency converter can be shortened, and the frequency converter can be interfered to explode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter with explosion-proof construction to solve the current converter explosion-proof ability that proposes among the above-mentioned background art poor and do not possess the problem of buffer capacity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a converter with explosion-proof construction, includes the box, the fixed outer frame body that is equipped with in inside of box, a plurality of air vent has been seted up in the outer frame body, the inside of outer frame body is equipped with interior framework, the inside fixed mounting of interior framework has the converter body, interior framework installs the inside at outer frame body through a plurality of to elastic component, the fixed rectangle fin that is equipped with in middle part of interior framework, the fan is installed to one side fixed interlude of outer frame body, the both sides of box all inlay and are equipped with first filter screen, the fixed rainwater harvesting groove that is equipped with in top of box, the inside fixed mounting of rainwater harvesting groove has the immersible pump, the water-cooling pore has been seted up to the inside of rectangle fin, the top and the bottom fixedly connected with pipeline subassembly in water.

As a preferred technical scheme of the utility model, every all include two slide bars, a plurality of to elastic component the slide bar is fixed the both sides and the both ends that set up inner frame body outer wall respectively, the first bar opening of a plurality of has been seted up in the outer frame body, a plurality of the slide bar runs through the first bar opening of a plurality of, a plurality of respectively the cover is equipped with a plurality of spring, every respectively on the slide bar the spring is all arranged in between outer frame body and the inner frame body, every the one end of slide bar is all fixed and is equipped with the stopper.

As a preferred technical scheme of the utility model, pipeline assembly includes inlet tube, outlet pipe, raceway and drain pipe, inlet tube and outlet pipe respectively with the top and the bottom fixed connection in water-cooling pore, the top of inlet tube and outlet pipe bottom communicate with the bottom of raceway and the top of drain pipe respectively through two screwed joint, the top of raceway and the delivery port fixed connection of immersible pump, the fixed middle part that alternates and set up in the box bottom of drain pipe.

As an optimal technical scheme of the utility model, the avris of box articulates there is the chamber door, the fixed flush mounting plate that is equipped with in the outside of chamber door, flush mounting plate's guarantor surface installs first temperature detect switch and second temperature detect switch respectively, first temperature detect switch's probe and second temperature detect switch's probe are all fixed to be set up in the inside of converter body, fan and immersible pump are respectively through first temperature detect switch and second temperature detect switch and external power supply electric connection.

As an optimized technical scheme of the utility model, two second bar openings that supply inlet tube and outlet pipe to pass are seted up respectively to the top and the bottom of outer framework.

As a preferred technical scheme of the utility model, the fixed second filter screen that is equipped with in top of collection rain gutter, the top of collection rain gutter is the awl and fights the form, just collection rain mouth has been seted up at the middle part on collection rain gutter top.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a frequency converter with explosion-proof structure, can carry out normal air-cooled heat dissipation through the fan, can flow into the water-cooling pore through the pipeline subassembly with the water in the rain groove through the immersible pump, carry out the water-cooled heat dissipation, improve the radiating effect of frequency converter through the purpose of combining forced air cooling and water-cooling, improve explosion-proof ability then; cooperate through box and outer framework and can play the effect of protection converter body, and the spring through elastic component can play the effect of buffering, reduce the striking or rock the influence to the converter body, stability when improving the use, the split of framework and pipeline subassembly in being convenient for simultaneously through the first bar opening that sets up, second bar opening and screwed joint is convenient for maintain the converter body then.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the present invention.

In the figure: 1. a box body; 2. an outer frame body; 3. an inner frame body; 4. a frequency converter body; 5. an elastic component; 51. a slide bar; 52. a spring; 53. a limiting block; 6. a first bar-shaped opening; 7. a rectangular heat sink; 8. a fan; 9. a first filter screen; 10. a rain collecting groove; 11. a second filter screen; 12. a submersible pump; 13. a water-cooling channel; 14. a conduit assembly; 141. a water inlet pipe; 142. a water outlet pipe; 143. a threaded joint; 144. a water delivery pipe; 145. a drain pipe; 15. a second strip-shaped opening; 16. a box door; 17. a switch panel; 18. a first temperature control switch; 19. a second temperature control switch.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a frequency converter with explosion-proof structure, which comprises a box body 1, an outer frame body 2 is fixedly arranged inside the box body 1, a plurality of air vents are arranged on the outer frame body 2, an inner frame body 3 is arranged inside the outer frame body 2, a frequency converter body 4 is fixedly arranged inside the inner frame body 3, the inner frame body 3 is arranged inside the outer frame body 2 through a plurality of pairs of elastic components 5, a rectangular cooling fin 7 is fixedly arranged in the middle of the inner frame body 3, a fan 8 is fixedly and alternately arranged on one side of the outer frame body 2, first filter screens 9 are embedded on both sides of the box body 1, a rain collecting groove 10 is fixedly arranged on the top end of the box body 1, a submersible pump 12 is fixedly arranged inside the rain collecting groove 10, a water cooling hole 13 is arranged inside the rectangular cooling fin 7, a pipeline component 14 is fixedly connected on the top end and the bottom end of the, the submersible pump 12 can enable water inside the rain collecting groove 10 to flow into the water cooling hole 13 through the pipeline assembly 14 to perform water cooling, the heat dissipation effect of the frequency converter is improved through the purpose of combining air cooling and water cooling, and then the explosion-proof capacity is improved.

Preferably, each pair of elastic components 5 comprises two sliding rods 51, the plurality of sliding rods 51 are respectively and fixedly arranged at two sides and two ends of the outer wall of the inner frame body 3, the outer frame body 2 is provided with a plurality of first strip-shaped openings 6, the plurality of sliding rods 51 respectively penetrate through the plurality of first strip-shaped openings 6, the plurality of sliding rods 51 are respectively sleeved with a plurality of springs 52, each spring 52 is arranged between the outer frame body 2 and the inner frame body 3, one end of each sliding rod 51 is fixedly provided with a limiting block 53, the spring 52 of the elastic component 5 can play a role of buffering, the influence of impact or shaking on the frequency converter body 4 is reduced, the pipeline component 14 comprises a water inlet pipe 141, a water outlet pipe 142, a water conveying pipe 144 and a water discharging pipe 145, the water inlet pipe 141 and the water discharging pipe 142 are respectively and fixedly connected with the top end and the bottom end of the water cooling duct 13, the top end of the water inlet pipe 141 and the bottom, the top end of the water delivery pipe 144 is fixedly connected with the water outlet of the submersible pump 12, the water discharge pipe 145 is fixedly inserted in the middle of the bottom end of the box body 1, a water body can flow through the water cooling pore channel 13 to perform water cooling heat dissipation on the rectangular heat dissipation fins 7 through the pipeline assembly 14 under the action of the submersible pump 12, the heat dissipation effect is further improved, the side of the box body 1 is hinged with a box door 16, the outer side of the box door 16 is fixedly provided with a switch panel 17, the protection surface of the switch panel 17 is respectively provided with a first temperature control switch 18 and a second temperature control switch 19, a probe of the first temperature control switch 18 and a probe of the second temperature control switch 19 are both fixedly arranged inside the frequency converter body 4, the fan 8 and the submersible pump 12 are respectively electrically connected with an external power supply through the first temperature control switch 18 and the second temperature control switch 19, and the opening and closing of the fan 8 and the submersible pump 12 can, reach the purpose of automatic heat dissipation cooling, two second bar openings 15 that supply inlet tube 141 and outlet pipe 142 to pass have been seted up respectively to the top and the bottom of outer frame body 2, be convenient for take out interior frame body 3 and maintain converter body 4, the fixed second filter screen 11 that is equipped with in top of collection rain gutter 10, the top of collection rain gutter 10 is the awl and fights the form, and the middle part on collection rain gutter 10 top has seted up collection rain mouth, can play filtering impurity's purpose through second filter screen 11, avoid impurity to cause the water-cooling pore 13 to block up.

When in specific use, the utility model relates to a frequency converter with explosion-proof structure, firstly, the inner frame body 3 is arranged in the outer frame body 2, namely, a plurality of slide bars 51, a water inlet pipe 141 and a water outlet pipe 142 are provided for passing through a plurality of first strip-shaped openings 6 and two second strip-shaped openings 15, the box body 1 is matched with the outer frame body 2 to play the role of protecting the frequency converter body 4, and the spring 52 of the elastic component 5 can play the role of buffering, thereby reducing the influence of impact or shaking on the frequency converter body 4, improving the stability in use, simultaneously, the separation of the inner frame body 3 and the pipeline component 14 is convenient through the arranged first strip-shaped openings 6, the second strip-shaped openings 15 and the threaded joint 143, then the frequency converter body 4 is convenient to be maintained, after being arranged to a proper position, the water inlet pipe 141 and the water outlet pipe 142 are respectively communicated with the water conveying pipe 144 and the water outlet pipe 145, then the box door 16 is closed for normal use, rainwater can be collected or injected into water body through the rainwater collection tank 10 in the using process, then the first temperature control switch 18 and the second temperature control switch 19 which can be KTS011 are respectively set with temperature limit values, the limit value of the second temperature control switch 19 is higher than the limit value of the first temperature control switch 18, the temperature inside the frequency converter body 4 is simultaneously monitored through the first temperature control switch 18 and the second temperature control switch 19, the fan 8 is automatically controlled to operate when the temperature is higher than the limit value of the first temperature control switch 18, the rectangular radiating fin 7 can be normally air-cooled through the fan 8, the submersible pump 12 is automatically controlled to work when the temperature is higher than the limit value of the second temperature control switch 19, the submersible pump 12 can lead the water body inside the rainwater collection tank 10 to flow through the water cooling duct 13 through the pipeline assembly 14 for water-cooling radiation of the rectangular radiating fin 7, the radiating effect of the frequency converter is improved by combining air-cooling and water-cooling, and then the explosion-proof capability is improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 frequency converter with the explosion-proof structure comprises a box body (1) and is characterized in that an outer frame body (2) is fixedly arranged inside the box body (1), a plurality of air holes are formed in the outer frame body (2), an inner frame body (3) is arranged inside the outer frame body (2), a frequency converter body (4) is fixedly arranged inside the inner frame body (3), the inner frame body (3) is arranged inside the outer frame body (2) through a plurality of elastic components (5), rectangular radiating fins (7) are fixedly arranged in the middle of the inner frame body (3), a fan (8) is fixedly and alternately arranged on one side of the outer frame body (2), first filter screens (9) are embedded on two sides of the box body (1), a rain collecting groove (10) is fixedly arranged at the top end of the box body (1), and a submersible pump (12) is fixedly arranged inside the rain collecting groove (10), the water-cooling hole (13) is formed in the rectangular radiating fin (7), and the top end and the bottom end of the water-cooling hole (13) are fixedly connected with pipeline components (14).

2. A frequency converter with explosion-proof structure according to claim 1, wherein: every all includes two slide bars (51), a plurality of to elastic component (5) both sides and both ends of framework (3) outer wall including slide bar (51) is fixed the setting respectively, the first bar opening of a plurality of (6), a plurality of have been seted up on outer framework (2) slide bar (51) run through the first bar opening of a plurality of (6), a plurality of respectively the cover is equipped with a plurality of spring (52), every on slide bar (51) spring (52) all are arranged in between outer framework (2) and inner frame (3), every the one end of slide bar (51) is all fixed and is equipped with stopper (53).

3. A frequency converter with explosion-proof structure according to claim 1, wherein: the pipeline component (14) comprises a water inlet pipe (141), a water outlet pipe (142), a water conveying pipe (144) and a water discharging pipe (145), wherein the water inlet pipe (141) and the water outlet pipe (142) are fixedly connected with the top end and the bottom end of the water cooling hole (13) respectively, the top end of the water inlet pipe (141) and the bottom end of the water outlet pipe (142) are communicated with the bottom end of the water conveying pipe (144) and the top end of the water discharging pipe (145) respectively through two threaded connectors (143), the top end of the water conveying pipe (144) is fixedly connected with a water outlet of the submersible pump (12), and the water discharging pipe (145) is fixedly inserted in the middle of the bottom end.

4. A frequency converter with explosion-proof structure according to claim 1, wherein: the avris of box (1) articulates there is chamber door (16), the fixed flush mounting plate of switch panel (17) that is equipped with in the outside of chamber door (16), first temperature detect switch (18) and second temperature detect switch (19) are installed respectively to the guarantor surface of flush mounting plate (17), the probe of first temperature detect switch (18) and the probe of second temperature detect switch (19) are all fixed to be set up in the inside of converter body (4), fan (8) and immersible pump (12) are respectively through first temperature detect switch (18) and second temperature detect switch (19) and external power supply electric connection.

5. A frequency converter with explosion-proof structure according to claim 1, wherein: and the top end and the bottom end of the outer frame body (2) are respectively provided with two second strip-shaped openings (15) for the water inlet pipe (141) and the water outlet pipe (142) to penetrate through.

6. A frequency converter with explosion-proof structure according to claim 1, wherein: the top end of the rain collecting groove (10) is fixedly provided with a second filter screen (11), the top end of the rain collecting groove (10) is in a cone bucket shape, and a rain collecting opening is formed in the middle of the top end of the rain collecting groove (10).