CN213931532U - Carbon dioxide heat pump electric control cabinet - Google Patents
Carbon dioxide heat pump electric control cabinet Download PDFInfo
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- CN213931532U CN213931532U CN202022361861.6U CN202022361861U CN213931532U CN 213931532 U CN213931532 U CN 213931532U CN 202022361861 U CN202022361861 U CN 202022361861U CN 213931532 U CN213931532 U CN 213931532U
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- air outlet
- electric control
- control cabinet
- outlet cover
- carbon dioxide
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Abstract
The utility model discloses a carbon dioxide heat pump electric control cabinet, which comprises an electric control cabinet, a frequency converter, an air outlet cover and a cover plate; the electric control cabinet is provided with an air inlet, and the air outlet cover and the frequency converter are arranged on the outer side of the electric control cabinet; the air outlet cover is of a cuboid structure with an upper bottom surface, a lower bottom surface and one side surface which are all opened, the opening on the side surface of the air outlet cover is arranged at the air inlet, a rotating shaft is arranged at the joint of the upper bottom surface of the air outlet cover and the side surface of the opening, and the rotating shaft is connected with the cover plate; the top end of the frequency converter is provided with an axial flow fan, and the top end of the frequency converter extends into the air outlet cover from the opening at the bottom of the air outlet cover. This automatically controlled cabinet of carbon dioxide heat pump can be with the automatically controlled cabinet of the selective introduction of heat that the converter gived off, and then can be under the condition of not installing radiator fan and electric heater, or only install the temperature in the automatically controlled cabinet under the condition of miniwatt radiator fan and control, simple structure, easily operation and not fragile.
Description
Technical Field
The utility model belongs to the technical field of automatically controlled cabinet, concretely relates to automatically controlled cabinet of carbon dioxide heat pump.
Background
The novel carbon dioxide heat pump has the operating environment temperature of-30-45 ℃, and the heat in an electric control cabinet (electric control cabinet for short) of the carbon dioxide heat pump needs to be regulated and controlled due to the large environment temperature range so as to ensure the stable operation of the electrical equipment. The compressor of the carbon dioxide heat pump system is controlled by the frequency converter, the frequency converter is generally installed in the electric control cabinet, the frequency converter is a huge heating source, the problem that the temperature in the electric control cabinet is high when the frequency converter operates can occur, high temperature is high for components in the electric control cabinet, the frequency converter is used for accelerating aging, the service life of electrical components is shortened, serious electrical fault accidents can be caused seriously, if the components are burnt due to overheating, electric wires in the cabinet are aged and fired, and the like. Meanwhile, because the allowable operating environment temperature of the frequency converter is generally 0-50 ℃, when the environment temperature is too high, a high-power cooling fan needs to be installed in the electric control cabinet for cooling, when the environment temperature is too low (lower than 0 ℃), an electric heater needs to be installed in the electric control cabinet for heating, so that the temperature in the cabinet is always within the allowable operating environment temperature, although the temperature in the cabinet can be adjusted due to the increase of the composition structure in the electric control cabinet, the complexity of the structure in the electric control cabinet is increased, and the probability of damage and maintenance is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: the carbon dioxide heat pump electric control cabinet is easy to control the temperature in the electric control cabinet.
In order to solve the technical problem, the utility model discloses a technical scheme be: a carbon dioxide heat pump electric control cabinet comprises an electric control cabinet, a frequency converter, an air outlet cover and a cover plate;
the electric control cabinet is provided with an air inlet, and the air outlet cover and the frequency converter are arranged on the outer side of the electric control cabinet;
the air outlet cover is of a cuboid structure with an upper bottom surface, a lower bottom surface and a side surface which are all open, the opening of the side surface of the air outlet cover is arranged at the air inlet, a rotating shaft is arranged at the joint of the upper bottom surface of the air outlet cover and the side surface of the opening, and the rotating shaft is connected with the cover plate;
the top end of the frequency converter is provided with an axial flow fan, and the top end of the frequency converter extends into the air outlet cover from an opening at the bottom of the air outlet cover.
The length and the width of the opening on the side face of the air outlet cover and the length and the width of the cover plate are both larger than those of the air inlet.
The air outlet cover comprises a first side plate, a second side plate and a third side plate which are sequentially connected, the first side plate and the third side plate are respectively and vertically connected to two ends of the second side plate along the length direction, and the first side plate and the third side plate are parallel to each other;
the free end of first curb plate and third curb plate is equipped with a mounting panel respectively, the mounting panel is parallel to each other with the second curb plate, be equipped with the mounting hole on the mounting panel.
And a sealing strip is arranged at an opening of the lower bottom surface of the air outlet cover.
Wherein, the pivot is connected with the motor.
The beneficial effects of the utility model reside in that: the utility model provides an automatically controlled cabinet of carbon dioxide heat pump sets up the converter in the outside of automatically controlled cabinet, through addding out fan housing, air intake and apron, utilizes its cooperation, can be with the automatically controlled cabinet of introducing of the heat selectivity that the converter gived off, and then can be under the condition of not installing radiator fan and electric heater, or only install the temperature in the automatically controlled cabinet under the low-power radiator fan's the condition and control, simple structure, easily operation and not fragile.
Drawings
Fig. 1 is a schematic structural view of a carbon dioxide heat pump electric control cabinet according to an embodiment of the present invention;
fig. 2 is a schematic view of a partial structure of an electric control cabinet of a carbon dioxide heat pump according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial structure of an electric control cabinet of a carbon dioxide heat pump according to an embodiment of the present invention;
fig. 4 is a partial structural front view of the carbon dioxide heat pump electric control cabinet according to the embodiment of the present invention;
description of reference numerals:
1. an electric control cabinet; 11. an air inlet; 2. a frequency converter; 21. an axial flow fan; 3. an air outlet cover; 31. a first side plate; 32. a second side plate; 33. a third side plate; 4. mounting a plate; 5. a cover plate; 6. an electric motor.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the carbon dioxide heat pump electric control cabinet of the present invention includes an electric control cabinet 1, a frequency converter 2, an air outlet housing 3 and a cover plate 5;
the electric control cabinet 1 is provided with an air inlet 11, and the air outlet cover 3 and the frequency converter 2 are arranged on the outer side of the electric control cabinet 1;
the air outlet cover 3 is of a cuboid structure with an upper bottom surface, a lower bottom surface and a side surface all provided with openings, the opening of the side surface of the air outlet cover 3 is arranged at the air inlet 11, a rotating shaft is arranged at the joint (intersection) of the upper bottom surface of the air outlet cover 3 and the side surface of the opening, and the rotating shaft is connected with the cover plate 5;
the top end of the frequency converter 2 is provided with an axial flow fan 21, and the top end of the frequency converter 2 extends into the air outlet housing 3 from the opening at the bottom of the air outlet housing 3.
The utility model discloses a working process does: the top end of the frequency converter 2 is provided with an axial flow fan 21, heat generated by the frequency converter 2 is mainly dissipated through the axial flow fan 21, when the temperature in the electric control cabinet 1 is too high, the rotating shaft rotates to drive the cover plate 5 to rotate, and the cover plate 5 plugs the air inlet 11 (refer to fig. 2), so that the heat dissipated through the axial flow fan 21 is directly discharged into the atmosphere from the top (upper bottom surface) of the air outlet cover 3; and when the temperature was crossed lowly in automatically controlled cabinet 1, the pivot rotated and drives apron 5 and rotate, and apron 5 is plugged up (refer to fig. 3) with the top of going out fan housing 3, and the heat that gives off through axial fan 21 heats the environment in automatically controlled cabinet 1 in flowing into automatically controlled cabinet 1 from air intake 11, and then accomplishes the control to the temperature in automatically controlled cabinet 1.
From the above description, the beneficial effects of the present invention are: the utility model provides an automatically controlled cabinet of carbon dioxide heat pump, with the converter setting in the outside of automatically controlled cabinet, through addding out the fan housing, air intake and apron, utilize its cooperation, can be with the automatically controlled cabinet of introducing of the heat selectivity that the converter gived off, and then can be at not installing radiator fan and electric heater, or only install the temperature in the automatically controlled cabinet under the low-power radiator fan's the condition and control, also need not to increase the volume of automatically controlled cabinet, the newly controlled structure of having avoided increasing has also brought the energy consumption and has increased to and damage and the problem that the maintenance probability promotes.
Further, the length and the width of the opening on the side surface of the air outlet cover 3 and the length and the width of the cover plate 5 are both larger than the length and the width of the air inlet 11; that is, the length of the opening on the side of the air outlet housing 3 and the length of the cover plate 5 are both greater than the length of the air inlet 11, and the width of the opening on the side of the air outlet housing 3 and the width of the cover plate 5 are both greater than the width of the air inlet 11.
According to the above description, the cover plate can completely cover the air inlet through the arrangement of the sizes, and the cover plate is prevented from completely covering the air inlet to cause the heat emitted by the frequency converter to enter the electric control cabinet.
Further, the air outlet housing 3 comprises a first side plate 31, a second side plate 32 and a third side plate 33 which are sequentially connected, the first side plate 31 and the third side plate 33 are respectively and vertically connected to two ends of the second side plate 32 along the length direction, and the first side plate 31 and the third side plate 33 are parallel to each other;
the free ends of the first side plate 31 and the third side plate 33 are respectively provided with a mounting plate 4, the mounting plates 4 and the second side plate 32 are parallel to each other, and mounting holes are formed in the mounting plates 4; the second side plate 32 is disposed toward the intake vent 11.
From the above description, through the cooperation of mounting hole on the mounting panel and nut, bolt, can be with the outside of air-out cover connection electric cabinet.
Furthermore, a sealing strip is arranged at an opening of the lower bottom surface of the air outlet cover 3.
From the above description, can avoid the gap between air-out cover and the converter great through setting up the sealing strip, lead to the problem that the heat scatters and disappears from air-out cover bottom.
Further, the rotating shaft is connected with a motor 6.
From the above description, can drive the rotation of pivot through the rotation of motor, and then drive the apron and rotate, for the convenience of control, also can be connected motor and PLC control system, through set up temperature sensor in automatically controlled cabinet and to PLC control system send the temperature report, according to the rotation of the temperature control motor in the automatically controlled cabinet.
Example 1:
referring to fig. 1-4, a carbon dioxide heat pump electric control cabinet comprises an electric control cabinet 1, a frequency converter 2, an air outlet housing 3 and a cover plate 5; the actual electric control cabinet 1 is larger than the frequency converter 2 in size, but in order to clearly embody the structural relationship, the size of the electric control cabinet 1 is reduced in the attached drawings;
the electric control cabinet 1 is provided with an air inlet 11, and the air outlet cover 3 and the frequency converter 2 are arranged on the outer side of the electric control cabinet 1;
the air outlet cover 3 is of a cuboid structure with an upper bottom surface, a lower bottom surface and a side surface which are all opened, the opening on the side surface of the air outlet cover 3 is arranged at the air inlet 11, a rotating shaft is arranged at the joint of the upper bottom surface of the air outlet cover 3 and the side surface of the opening, and the rotating shaft is connected with the cover plate 5;
the top end of the frequency converter 2 is provided with an axial flow fan 21, and the top end of the frequency converter 2 extends into the air outlet housing 3 from an opening at the bottom of the air outlet housing 3;
the length of the opening on the side surface of the air outlet cover 3 and the length of the cover plate 5 are both greater than the length of the air inlet 11, and the width of the opening on the side surface of the air outlet cover 3 and the width of the cover plate 5 are both greater than the width of the air inlet 11;
and a sealing strip is arranged at the opening of the lower bottom surface of the air outlet cover 3.
Example 2:
referring to fig. 1-4, a carbon dioxide heat pump electric control cabinet comprises an electric control cabinet 1, a frequency converter 2, an air outlet housing 3 and a cover plate 5;
the electric control cabinet 1 is provided with an air inlet 11, and the air outlet cover 3 and the frequency converter 2 are arranged on the outer side of the electric control cabinet 1;
the air outlet cover 3 comprises a first side plate 31, a second side plate 32 (for the convenience of observing the internal structure, not shown in fig. 2 and 3) and a third side plate 33 which are connected in sequence, the first side plate 31 and the third side plate 33 are respectively and vertically connected to two ends of the second side plate 32 along the length direction, and the first side plate 31 and the third side plate 33 are parallel to each other;
the free ends of the first side plate 31 and the third side plate 33 are respectively provided with a mounting plate 4, the mounting plates 4 and the second side plate 32 are parallel to each other, and mounting holes are formed in the mounting plates 4; the second side plate 32 is disposed toward the air inlet 11;
a rotating shaft is arranged above the air inlet 11, the rotating shaft is connected with the cover plate 5, and the rotating shaft is connected with the motor 6;
the top end of the frequency converter 2 is provided with a flow fan 21, and the top end of the frequency converter 2 extends into the air outlet housing 3 from an opening at the bottom of the air outlet housing 3;
the length of the opening on the side surface of the air outlet cover 3 and the length of the cover plate 5 are both greater than the length of the air inlet 11, and the width of the opening on the side surface of the air outlet cover 3 and the width of the cover plate 5 are both greater than the width of the air inlet 11;
and a sealing strip is arranged at the opening of the lower bottom surface of the air outlet cover 3.
To sum up, the utility model provides a carbon dioxide heat pump electric control cabinet sets up the converter in the outside of electric control cabinet, through addding out fan housing, air intake and apron, utilizes its cooperation, can be with the heat selectivity introduction electric control cabinet of converter gived off in, and then can only install miniwatt radiator fan, or do not install radiator fan and electric heater under the circumstances to control the temperature in the electric control cabinet, also need not to increase the volume of electric control cabinet, has also avoided increasing new electric control structure and has brought the energy consumption increase, damage and the problem that maintenance probability promotes; the temperature in the carbon dioxide heat pump electric control cabinet can be controlled manually or by a system, and the carbon dioxide heat pump electric control cabinet is simple in structure and convenient to use.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. A carbon dioxide heat pump electric control cabinet is characterized by comprising an electric control cabinet, a frequency converter, an air outlet cover and a cover plate;
the electric control cabinet is provided with an air inlet, and the air outlet cover and the frequency converter are arranged on the outer side of the electric control cabinet;
the air outlet cover is of a cuboid structure with an upper bottom surface, a lower bottom surface and a side surface which are all open, the opening of the side surface of the air outlet cover is arranged at the air inlet, a rotating shaft is arranged at the joint of the upper bottom surface of the air outlet cover and the side surface of the opening, and the rotating shaft is connected with the cover plate;
the top end of the frequency converter is provided with an axial flow fan, and the top end of the frequency converter extends into the air outlet cover from an opening at the bottom of the air outlet cover.
2. The carbon dioxide heat pump electric control cabinet according to claim 1, wherein the length and width of the opening on the side of the air outlet cover and the length and width of the cover plate are both greater than the length and width of the air inlet.
3. The carbon dioxide heat pump electric cabinet according to claim 1, wherein the air outlet cover comprises a first side plate, a second side plate and a third side plate which are sequentially connected, the first side plate and the third side plate are respectively and vertically connected to two ends of the second side plate along the length direction, and the first side plate and the third side plate are parallel to each other;
the free end of first curb plate and third curb plate is equipped with a mounting panel respectively, the mounting panel is parallel to each other with the second curb plate, be equipped with the mounting hole on the mounting panel.
4. The carbon dioxide heat pump electric control cabinet according to claim 1, wherein a sealing strip is arranged at an opening of a lower bottom surface of the air outlet cover.
5. The carbon dioxide heat pump electric control cabinet according to claim 1, wherein the rotating shaft is connected with a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361861.6U CN213931532U (en) | 2020-10-22 | 2020-10-22 | Carbon dioxide heat pump electric control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361861.6U CN213931532U (en) | 2020-10-22 | 2020-10-22 | Carbon dioxide heat pump electric control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213931532U true CN213931532U (en) | 2021-08-10 |
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ID=77224295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022361861.6U Active CN213931532U (en) | 2020-10-22 | 2020-10-22 | Carbon dioxide heat pump electric control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213931532U (en) |
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- 2020-10-22 CN CN202022361861.6U patent/CN213931532U/en active Active
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