CN213873094U - Electric cabinet cooling device and air conditioning unit - Google Patents
Electric cabinet cooling device and air conditioning unit Download PDFInfo
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- CN213873094U CN213873094U CN202022761221.4U CN202022761221U CN213873094U CN 213873094 U CN213873094 U CN 213873094U CN 202022761221 U CN202022761221 U CN 202022761221U CN 213873094 U CN213873094 U CN 213873094U
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- air
- electric cabinet
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- pipe
- controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses an electric cabinet heat sink and air conditioning unit. Wherein, the device includes: the bypass air pipe penetrates through the inner space of the electric cabinet, an air inlet of the bypass air pipe is communicated with an air supply air pipe of the air conditioning unit, an air outlet of the bypass air pipe is communicated with the outer space of the electric cabinet, and cold air introduced by the air inlet cools the electric cabinet and then is discharged from the air outlet; the air valve is arranged in the bypass ventilation pipe, and the opening degree of the air valve is used for controlling the air inlet amount of the bypass air pipe; and the controller is connected with the air valve and used for controlling the opening and closing of the air valve according to the air inlet temperature of the bypass air pipe and the internal temperature of the electric cabinet and controlling the opening of the air valve according to the change rate of the internal temperature of the electric cabinet after the air valve is opened. Through the utility model discloses, can avoid inside the dust and sand gets into the electric controller when realizing the inside cooling of electric cabinet.
Description
Technical Field
The utility model relates to a unit technical field particularly, relates to an electric cabinet heat sink and air conditioning unit.
Background
Along with the development of electrical intellectualization, the future functions of an air conditioning unit (such as an air cooling unit) are more complex and diversified, more and more electrical components are integrated, the components are compactly arranged in an electric cabinet, the continuously accumulated heat effect causes continuous high temperature, and if the temperature is not reduced, the functional damage to core sensitive and precise components is caused. In the prior art, the hole structure is arranged on the electric cabinet shell to perform ventilation and cooling, but under the environment with large wind and sand, the requirement on the IP protection level of the electric cabinet is extremely high, and if the hole position of the electric cabinet exceeds 1mm, sand and dust can enter the electric cabinet, so that the performance of internal electrical components is influenced. Therefore, the cooling mode of opening holes on the shell is not suitable for the environment with large sand wind.
The problem that sand and dust enters the electric controller due to the fact that the electric controller is cooled through a hole opening mode in the prior art is solved, and an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an in embodiment provide an electric cabinet heat sink and air conditioning unit to cool down the electric controller through the trompil mode among the solution prior art, can cause the problem that sand and dust got into the electric controller.
In order to solve the technical problem, the utility model provides an electric cabinet heat sink, the air conditioning unit is applied to the device, and the device includes:
the bypass air pipe penetrates through the inner space of the electric cabinet, an air inlet of the bypass air pipe is communicated with an air supply air pipe of the air conditioning unit, an air outlet of the bypass air pipe is communicated with the outer space of the electric cabinet, and cold air introduced by the air inlet cools the electric cabinet and then is discharged from the air outlet;
the air valve is arranged in the bypass ventilation pipe, and the opening degree of the air valve is used for controlling the air inlet amount of the bypass air pipe;
and the controller is connected with the air valve and used for controlling the opening and closing of the air valve according to the air inlet temperature of the bypass air pipe and the internal temperature of the electric cabinet and controlling the opening of the air valve according to the change rate of the internal temperature of the electric cabinet after the air valve is opened.
Further, the apparatus further comprises:
the first temperature sensor is arranged at the air inlet of the bypass air pipe, is connected with the controller and is used for detecting the air inlet temperature of the bypass air pipe and transmitting the air inlet temperature to the controller;
and the second temperature sensor is arranged in the electric cabinet, is connected with the controller and is used for detecting the internal temperature of the electric cabinet and transmitting the internal temperature to the controller.
Further, the bypass air pipe penetrates through the upper part of the inner space of the electric cabinet.
Further, the apparatus further comprises:
and the dustproof cover is arranged at the air outlet of the bypass air pipe, is opened when the air valve is opened and is closed when the air valve is closed.
Further, the air outlet of the bypass air pipe is communicated with a return air pipe of the air conditioning unit.
Further, the apparatus further comprises:
and the fan is arranged in the side ventilation pipe and connected with the controller.
The utility model also provides an air conditioning unit, including above-mentioned electric cabinet heat sink.
Use the technical scheme of the utility model, set up the bypass tuber pipe in the electric cabinet, the air intake of bypass tuber pipe communicates air conditioning unit's air supply tuber pipe, air outlet intercommunication the exterior space of electric cabinet will be sent to the leading-in electric cabinet of indoor cold wind inside the heat transfer that carries on through the bypass tuber pipe, reduces the temperature of electric cabinet internal component, can be when realizing the inside cooling of electric cabinet, avoids inside the dust and sand entering electric controller.
Drawings
FIG. 1 is a structural diagram of an electric cabinet cooling device according to an embodiment of the present invention;
FIG. 2 is a structural diagram of an electric cabinet cooling device according to another embodiment of the present invention;
FIG. 3 is a structural diagram of an electric cabinet cooling device according to another embodiment of the present invention;
fig. 4 is a structural diagram of an actuator according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that although the terms first, second, etc. may be used to describe the thresholds in embodiments of the present invention, the thresholds should not be limited to these terms. These terms are only used to distinguish between different thresholds. For example, the first threshold may also be referred to as a second threshold, and similarly, the second threshold may also be referred to as a first threshold, without departing from the scope of embodiments of the present invention.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.
The following describes in detail alternative embodiments of the present invention with reference to the accompanying drawings.
Example 1
This embodiment provides an electric cabinet heat sink, and the device is applied to air conditioning unit, and figure 1 is according to the utility model discloses electric cabinet heat sink's structure diagram, as shown in figure 1, the device includes:
bypass tuber pipe 1, bypass tuber pipe 1 pass the inner space of electric cabinet 2, and the air intake 11 intercommunication air conditioning unit's of bypass tuber pipe 1 air supply tuber pipe 3 for in introducing electric cabinet 2 with the low temperature air in the air supply tuber pipe 3, in order to realize cooling to electric cabinet 2, the outer space of electric cabinet 2 is fed through to bypass tuber pipe 1 air outlet 12, and the cold wind that air intake 11 introduced is cooled down the back to electric cabinet 2, discharges to the outer space from air outlet 12.
An air valve 4 is further arranged in the bypass air pipe 1, and the opening degree of the air valve 4 is used for controlling the air inlet volume of the bypass air pipe 1 so as to control the cooling speed.
The air valve 4 is connected with the controller 5, the controller 5 controls the opening and closing of the air valve 4 according to the air inlet temperature of the bypass air pipe 1 and the internal temperature of the electric cabinet, and after the air valve 4 is opened, the opening degree of the air valve 4 is controlled according to the change rate of the internal temperature of the electric cabinet. For example, when the temperature reduction speed is high, the opening degree of the air valve 4 is controlled to be reduced so as to reduce the air intake of the bypass air pipe 1 and enable more cold air to be used for indoor temperature reduction; when the cooling speed is slow, the opening of the air valve 4 is controlled to be increased so as to increase the air intake of the bypass air pipe 1 and improve the cooling speed of the electric cabinet.
The electric cabinet heat sink of this embodiment sets up the bypass tuber pipe in the electric cabinet, and the air intake intercommunication air conditioning unit's of bypass tuber pipe air supply tuber pipe, the exterior space of air outlet intercommunication electric cabinet will deliver to the leading-in electric cabinet of indoor cold wind inside through the bypass tuber pipe and carry out the heat transfer, reduces the temperature of electric cabinet internal component, can avoid inside the sand and dust entering electric controller when realizing the inside cooling of electric cabinet.
Example 2
This embodiment provides another kind of electric cabinet heat sink, and fig. 2 is according to the utility model discloses another embodiment's electric cabinet heat sink's structure diagram, because hot-air can rise and the principle that cold air can descend, as shown in fig. 2, bypass tuber pipe 1 passes the upper space of electric cabinet inner space. The hot air in the electric cabinet rises to the periphery of the bypass air pipe 1, sinks after being cooled through heat exchange with the bypass air pipe 1, and new hot air rises to form air flow and accelerate cooling.
In order to detect the temperature of the air inlet 11 of the bypass air duct 1 and the internal temperature of the electric cabinet 2, as shown in fig. 2, the above-mentioned apparatus further includes:
the first temperature sensor 6 is arranged at an air inlet 11 of the bypass air pipe 1, and the first temperature sensor 5 is connected with the controller 5 and used for detecting the inlet air temperature of the bypass air pipe 1 and transmitting the inlet air temperature to the controller 5; and the second temperature sensor 7 is arranged in the electric cabinet 2, and the second temperature sensor 7 is connected with the controller 5 and used for detecting the internal temperature of the electric cabinet 2 and transmitting the internal temperature to the controller 5. The controller 5 controls the air valve 4 to be opened or closed according to the detection value of the first temperature sensor 6 and the detection value of the second temperature sensor 7 at the current moment, and controls the opening degree of the air valve 4 according to the detection value of the first temperature sensor 6 and the detection value of the second temperature sensor 7 at the current moment at intervals after the air valve 4 is opened so as to adjust the air intake of the bypass air pipe 1 and further adjust the cooling speed of the electric cabinet 2.
Because the 12 intercommunication exterior spaces of air outlet of bypass tuber pipe 1, when blast gate 4 was opened, constantly had cold wind to be discharged by bypass tuber pipe 1, consequently can not have sand and dust to get into bypass tuber pipe 1, but when blast gate 4 was closed, then probably have sand and dust to get into bypass tuber pipe 1, can cause bypass tuber pipe 1 to block up, influence next cooling, consequently, above-mentioned device still includes:
and the dustproof cover 8 is arranged at the air outlet of the bypass ventilation pipe 1, and the dustproof cover 9 is opened when the air valve is opened and closed when the air valve is closed so as to prevent sand and dust from entering the bypass ventilation pipe 1.
In order to control the air flow speed and direction in the bypass air duct 1, as shown in fig. 2, the apparatus further comprises: and the fan 9 is arranged in the side ventilation pipe 1, and the fan 9 is connected with the controller 5. The controller 5 is also used for controlling the rotating speed of the fan 9 according to the detection value of the first temperature sensor 6 and the detection value of the second temperature sensor 7.
Fig. 3 is a structure diagram of an electric cabinet cooling device according to still another embodiment of the present invention, in other embodiments of the present invention, because the cold air of the bypass air duct 1 comes from the air supply air duct 3, i.e. comes from the air conditioning unit, therefore, after the heat exchange, the air after the heat exchange can be sent into the air conditioning system again, therefore, as shown in fig. 2, the air outlet 12 of the bypass air duct 1 can also be communicated with the return air duct 10 of the air conditioning unit, for sending the air after the heat exchange into the air conditioning system again, cooling again.
Example 3
This embodiment provides another kind of electric cabinet cooling controlling means, is applied to the refrigerating unit, and this refrigerating unit itself is a single cold air supply unit, can only refrigerate and can not heat.
The structure of the electric cabinet cooling control device of this embodiment is as shown in fig. 2 mentioned above, an outlet is arranged in the air supply duct 3 of the refrigerating unit, the outlet is an air inlet 11 of the bypass air duct 1, the bypass air duct 1 passes through the inside of the electric cabinet 2, the electric cabinet 2 is of a fully-closed structure except for a hole for passing through the bypass air duct 1, and the bypass air duct 1 and the electric cabinet 2 are in reliable sealing connection.
The air inlet 11 department sets up first temperature sensor 6 for detect inlet air temperature T1, and electric cabinet 2 is inside to set up second temperature sensor 7 for detect the inside temperature T2 of electric cabinet, and two temperature sensor all can be thermistor.
The controller 5 internally comprises an operation module which is provided with a calculation unit, a judgment unit, a time unit and a storage unit and can realize the functions of logic operation, timing, judgment and data storage. After the temperature in the air port and the electric cabinet is collected and processed by analog quantity, a control signal of 0-10V or 4-20mA is sent to adjust the step number of the motor, and then the opening degree of the air valve is adjusted.
An automatic air valve executing device (not shown in the figure) is installed at the air valve of the bypass air pipe 1, fig. 4 is a structural diagram of the executing device according to the embodiment of the present invention, and as shown in fig. 4, the executing device includes:
the clamp comprises a clamp holder a, a position indicator b, a manual button c, a power line connector d and a shell e, wherein a circuit board (not shown in the figure) is connected inside the power line connector d, the circuit board is connected with a motor (not shown in the figure) inside the execution device, and the motor drives a fan valve to open a certain angle. The air volume can be adjusted and controlled after the execution device is matched with the air valve 4.
Through the electric cabinet cooling control device of this embodiment, can implement the adjustment cooling speed according to the inside cooling condition of electric cabinet. The over-high temperature of the electric cabinet is avoided, and meanwhile, the influence of excessive cold air on the refrigerating effect of the unit is avoided.
Example 4
This embodiment provides an air conditioning unit, and this air conditioning unit includes above-mentioned electric cabinet heat sink for realize the cooling of electric cabinet, improve the stability of whole air conditioning unit operation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides an electric cabinet heat sink, its characterized in that, the device is applied to air conditioning unit, wherein includes:
the bypass air pipe penetrates through the inner space of the electric cabinet, an air inlet of the bypass air pipe is communicated with an air supply air pipe of the air conditioning unit, an air outlet of the bypass air pipe is communicated with the outer space of the electric cabinet, and cold air introduced by the air inlet cools the electric cabinet and then is discharged from the air outlet;
the air valve is arranged in the bypass ventilation pipe, and the opening degree of the air valve is used for controlling the air inlet amount of the bypass air pipe;
and the controller is connected with the air valve and used for controlling the opening and closing of the air valve according to the air inlet temperature of the bypass air pipe and the internal temperature of the electric cabinet and controlling the opening of the air valve according to the change rate of the internal temperature of the electric cabinet after the air valve is opened.
2. The apparatus of claim 1, further comprising:
the first temperature sensor is arranged at the air inlet of the bypass air pipe, is connected with the controller and is used for detecting the air inlet temperature of the bypass air pipe and transmitting the air inlet temperature to the controller;
and the second temperature sensor is arranged in the electric cabinet, is connected with the controller and is used for detecting the internal temperature of the electric cabinet and transmitting the internal temperature to the controller.
3. The apparatus of claim 1, wherein the bypass duct passes through an upper portion of an inner space of the electric cabinet.
4. The apparatus of claim 1, further comprising:
and the dustproof cover is arranged at the air outlet of the bypass air pipe, is opened when the air valve is opened and is closed when the air valve is closed.
5. The device of claim 1, wherein the air outlet of the bypass air duct is communicated with a return air duct of the air conditioning unit.
6. The apparatus of claim 1, further comprising:
and the fan is arranged in the side ventilation pipe and connected with the controller.
7. An air conditioning unit, characterized in that, includes the electric cabinet temperature reducing device of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022761221.4U CN213873094U (en) | 2020-11-25 | 2020-11-25 | Electric cabinet cooling device and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022761221.4U CN213873094U (en) | 2020-11-25 | 2020-11-25 | Electric cabinet cooling device and air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN213873094U true CN213873094U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022761221.4U Active CN213873094U (en) | 2020-11-25 | 2020-11-25 | Electric cabinet cooling device and air conditioning unit |
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| CN (1) | CN213873094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361562A (en) * | 2020-11-25 | 2021-02-12 | 珠海格力电器股份有限公司 | Electric cabinet cooling device, cooling control method and air conditioning unit |
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2020
- 2020-11-25 CN CN202022761221.4U patent/CN213873094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361562A (en) * | 2020-11-25 | 2021-02-12 | 珠海格力电器股份有限公司 | Electric cabinet cooling device, cooling control method and air conditioning unit |
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