CN210808090U - Controller and refrigerating device with same - Google Patents

Abstract

The utility model discloses a controller and refrigerating plant who has it, the controller includes: the circuit board is provided with a plugging part, and the plugging part is suitable for mounting a circuit plug-in unit; the heating element is arranged on the circuit board and is positioned on the same side of the circuit board as the plug-in part; an insulating member provided on a side of the circuit board away from the heat generating element, the insulating member having thermal conductivity; the radiator is arranged on one side of the insulating part far away from the circuit board, and a first avoidance port is arranged on the part of the radiator, which is opposite to the insertion part; the refrigerant pipeline is arranged on the radiator. The utility model discloses a controller, fail safe nature is high, can avoid the unstable phenomenon of work that heating element leads to because of high temperature effectively, is favorable to making the controller use in high temperature environment or heavy load environment.

Description

Controller and refrigerating device with same

Technical Field

The utility model belongs to the technical field of cryogenic technique and specifically relates to a controller and refrigerating plant who has it is related to.

Background

In the related art, the controller has low heat dissipation efficiency and poor safety and reliability. Meanwhile, the heating element is easy to enter a shutdown protection state due to overhigh temperature rise in a high-temperature environment, the controller cannot be normally used in the high-temperature environment or heavy load, and the structure of the controller needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a controller, which has high safety and reliability, and can effectively avoid the unstable operation of the heating element due to high temperature, thereby facilitating the application of the controller in high temperature environment or heavy load environment.

The utility model also provides a refrigerating plant, including foretell controller.

According to the utility model discloses controller, include: the circuit board is provided with a plugging part, and the plugging part is suitable for mounting a circuit plug-in unit; the heating element is arranged on the circuit board and is positioned on the same side of the circuit board as the plug-in part; an insulating member provided on a side of the circuit board away from the heat generating element, the insulating member having thermal conductivity; the radiator is arranged on one side of the insulating part far away from the circuit board, and a first avoidance port is arranged on the part of the radiator, which is opposite to the insertion part; the refrigerant pipeline is arranged on the radiator.

According to the utility model discloses controller sets up the first mouth of dodging through setting up on the part just right with grafting portion of radiator to can avoid circuit plug-in's pin and radiator contact to produce short circuit phenomenon effectively, improve controller's fail safe nature. Through setting up the refrigerant pipeline, make the refrigerant pipeline establish on the radiator to can reduce the temperature of controller during operation effectively, avoid the unstable phenomenon of work that heating element leads to because of high temperature effectively, improve the stability and the reliability of controller, be favorable to making the controller use in high temperature environment or heavy load environment.

According to some embodiments of the utility model, the grafting portion is located the edge of circuit board, first dodge mouthful and form into the breach.

According to some embodiments of the present invention, the insulating member and the portion opposite to the insertion portion are provided with a second escape opening.

According to some embodiments of the invention, the circuit board and the insulating member are fixed to the heat sink by a connecting member.

According to some embodiments of the utility model, the controller still including be used for with the controller is fixed the fixed bolster on the working face, the fixed bolster is located keeping away from of radiator one side of insulating part and with the radiator links to each other.

In some embodiments of the present invention, a placing groove is disposed on the fixing bracket and/or the heat sink, and the refrigerant pipeline is disposed in the placing groove.

The utility model discloses an in some embodiments, the orientation of fixed bolster be equipped with first recess on one side of radiator, the radiator orientation be equipped with the second recess on one side of fixed bolster, first recess with the second recess is just being used for placing in order to inject the standing groove of refrigerant pipeline to the setting.

In some embodiments of the present invention, the fixing bracket and the heat sink are fixedly connected by a connecting member.

In some embodiments of the present invention, the fixing bracket is connected to the heat sink by a snap fit.

According to the utility model discloses refrigerating plant, include according to the utility model discloses the controller of above-mentioned embodiment.

According to the utility model discloses refrigerating plant, through setting up the basis the utility model discloses the controller of above-mentioned embodiment. Therefore, the temperature of the controller during working can be effectively reduced, and the stability, safety and reliability of the refrigerating device are improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a controller according to some embodiments of the present invention;

fig. 2 is an exploded view of a controller according to some embodiments of the present invention;

fig. 3 is a schematic view of a heat sink according to some embodiments of the present invention;

fig. 4 is a schematic view of a fixation bracket according to some embodiments of the present invention.

Reference numerals:

100. a controller;

1. a circuit board; 11. a plug-in part; 111. a circuit card;

2. a heating element;

3. an insulating member; 31. a second avoidance port;

4. a heat sink; 41. a first avoidance port; 42. a second groove;

5. a refrigerant pipeline;

6. fixing a bracket; 61. a first groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A controller 100 according to an embodiment of the present invention is described below with reference to fig. 1-4, wherein the controller 100 can be used in a micro-refrigeration device (with an input voltage of 9V-50V).

As shown in fig. 1 and 2, a controller 100 according to an embodiment of the present invention includes: circuit board 1, heating element 2, insulating part 3, radiator 4 and refrigerant pipeline 5.

Specifically, the circuit board 1 is provided with a plug portion 11, and the plug portion 11 is adapted to mount the circuit card 111. The heating element 2 is disposed on the circuit board 1 and is located on the same side of the circuit board 1 as the plugging portion 11. An insulating member 3 is provided on the side of the circuit board 1 remote from the heat generating element 2, the insulating member 3 having thermal conductivity. The heat sink 4 is disposed on a side of the insulating member 3 away from the circuit board 1, and a portion of the heat sink 4 facing the insertion part 11 is provided with a first avoidance opening 41. The refrigerant pipe 5 is provided on the radiator 4.

Therefore, the heating element 2, the plug part 11 and the insulating member 3 are arranged at positions which are convenient for processing and manufacturing the controller 100 and are beneficial to improving the production efficiency of the controller 100. Meanwhile, the arrangement of the insulating member 3 not only can transfer the heat generated by the heating element 2 to the heat sink 4, but also can effectively avoid the short circuit phenomenon caused by the electrical connection between the circuit board 1 and the heat sink 4.

Meanwhile, it can be seen that, when the controller 100 operates, heat generated by the heating element 2 can be transferred to the heat sink 4 through the insulating member 3, and then the heat can be dissipated by the heat sink 4. Because the refrigerant pipeline 5 is arranged on the radiator 4, the controller 100 of the embodiment of the present invention can utilize the refrigerant to dissipate heat. Specifically, the refrigerant pipeline 5 is disposed on the heat sink 4, so that the heat sink 4 can exchange heat with the refrigerant in the refrigerant pipeline 5, and further, the temperature of the controller 100 during operation is effectively reduced.

It can be understood that the efficiency of the refrigerant heat dissipation is significantly higher than that of the air-cooled heat dissipation, and the heat of the heat sink 4 can be taken away quickly. Therefore, the cooling medium pipeline 5 can effectively improve the heat dissipation efficiency of the controller 100, and can effectively improve the problem of poor heat dissipation of the controller 100, so that the problem of poor heat dissipation of the existing controller can be solved to a certain extent, the temperature of the controller 100 during working is reduced, and the phenomenon that the heating element 2 is unstable due to high temperature is effectively avoided, even if the heating element 2 is more stable and reliable, the stability and reliability of the controller 100 are improved, and the controller 100 is favorably applied to a high-temperature environment or a heavy-load environment. It is understood that the controller 100 of the embodiment of the present invention also utilizes the flow of air to dissipate heat.

As is known, the circuit card 111 mounted at the mating part 11 generally has pins that extend outward, and the pins of the mating part 11 run the risk of puncturing the insulator 3 when extending to the insulator 3. Therefore, the first avoidance port 41 is formed in the part of the heat sink 4 facing the insertion part 11, so that the short circuit phenomenon caused by the contact between the pins of the circuit card 111 and the heat sink 4 can be effectively avoided. Thereby, the safety reliability of the controller 100 can be improved. Here, the overhang means extending toward a side of the circuit board 1 away from the heat generating element 2.

According to the utility model discloses controller 100 through set up the first mouth 41 of dodging that dodges that sets up on the part just right with grafting portion 11 of radiator 4 to can avoid circuit plug-in 111's pin and radiator 4 to contact effectively and produce short circuit phenomenon, improve controller 100's fail safe nature. By arranging the refrigerant pipeline 5, the refrigerant pipeline 5 is arranged on the radiator 4, so that the temperature of the controller 100 during working can be effectively reduced, the phenomenon of unstable working of the heating element 2 due to high temperature is effectively avoided, the stability and the reliability of the controller 100 are improved, and the controller 100 is favorably applied to a high-temperature environment or a heavy-load environment.

As shown in fig. 1 and 2, according to some embodiments of the present invention, the insertion part 11 is located at an edge of the circuit board 1, and the first avoidance port 41 is formed as a notch. Thereby facilitating the production and manufacture of the controller 100 and facilitating the improvement of the production efficiency of the controller 100. It should be noted that the socket 11 may be located at other positions on the circuit board 1 as long as the reliability of the controller 100 is ensured.

As shown in fig. 1 and 2, according to some embodiments of the present invention, a second avoiding opening 31 is provided on a portion of the insulating member 3 opposite to the insertion part 11. Therefore, the situation that the pins of the inserting part 11 pierce the insulating part 3 when extending to the insulating part 3 can be effectively avoided, the controller 100 is convenient to assemble, and the safety and reliability of the controller 100 are improved.

According to some embodiments of the present invention, the circuit board 1 and the insulating member 3 are fixed to the heat sink 4 by a connecting member. Therefore, the circuit board 1, the insulating member 3 and the heat sink 4 are connected in a simple and reliable manner, and are easy to assemble. Alternatively, as shown in fig. 2, the connector is a screw. Specifically, the circuit board 1 and the insulating member 3 are provided with a plurality of correspondingly arranged connecting holes, and the connecting member is fixed in the threaded hole of the heat sink 4 after penetrating through the connecting holes.

As shown in fig. 1 and 2, according to some embodiments of the present invention, the controller 100 further includes a fixing bracket 6 for fixing the controller 100 on the working surface, and the fixing bracket 6 is located on a side of the heat sink 4 away from the insulating member 3 and connected to the heat sink 4. Thus, it can be seen that the controller 100 can be fixed to a work surface using the fixing bracket 6, wherein the work surface is a wall surface of the refrigeration apparatus for mounting and fixing the controller 100, such as an inner peripheral wall of the refrigeration apparatus. Meanwhile, the fixing bracket 6 is arranged to facilitate the fixing of the controller 100 and not to affect the assembly between other components in the controller 100.

Optionally, the fixed bracket 6 is fixed on the working surface by a connector. Thereby the installation and the dismantlement of controller of being convenient for makes the mode that fixed bolster 6 was fixed on the working face simple, reliable simultaneously, the operation of being convenient for.

In some embodiments of the present invention, a placing groove is provided on the fixing bracket 6 and/or the heat sink 4, and the refrigerant pipeline 5 is provided in the placing groove. Therefore, in the embodiment of the present invention, the placing grooves may be only formed on the fixing bracket 6, only the placing grooves may be formed on the heat sink 4, and the placing grooves may be respectively formed on the fixing bracket 6 and the heat sink 4. Refrigerant pipeline 5 is established in the standing groove. Thereby facilitating the installation of the refrigerant pipeline 5 and the assembly of the controller 100, and simultaneously being beneficial to reducing the whole occupied space of the controller 100.

As shown in fig. 2-4, in some embodiments of the present invention, a first groove 61 is disposed on one side of the fixing bracket 6 facing the heat sink 4, a second groove 42 is disposed on one side of the heat sink 4 facing the fixing bracket 6, and the first groove 61 and the second groove 42 are disposed to define a placing groove for placing the refrigerant pipeline 5. Therefore, the placing groove is simple in structure and convenient to manufacture, the refrigerant pipeline 5 is convenient to install and detach, the contact area between the radiator 4 and the refrigerant pipeline 5 is increased, the radiating efficiency of the radiator 4 is improved, and the radiating efficiency of the controller 100 is improved.

As shown in fig. 2, in some embodiments of the present invention, the fixing bracket 6 is fixedly connected to the heat sink 4 through a connecting member. Therefore, the connection mode of the fixing bracket 6 and the radiator 4 is simple and reliable, and the reliability of the controller 100 is improved. Wherein the connecting member may be a screw.

In some embodiments of the present invention, the fixing bracket 6 is connected to the heat sink 4 by a snap fit. Therefore, the connection mode of the fixing bracket 6 and the radiator 4 is simple and reliable, and the fixing bracket 6 and the radiator 4 are convenient to mount, connect and dismount.

According to the utility model discloses refrigerating plant, include according to the utility model discloses the controller 100 of above-mentioned embodiment.

According to the utility model discloses refrigerating plant, through setting up the basis the utility model discloses the controller 100 of above-mentioned embodiment. Therefore, the temperature of the controller 100 during operation can be effectively reduced, and the stability and the safety reliability of the refrigeration device can be improved.

Specifically, the refrigeration device further comprises a compressor, the controller 100 is connected with the compressor to control the operation state of the compressor, and meanwhile, the refrigerant pipeline 5 is connected with the compressor to ensure the heat dissipation and cooling effects of the refrigerant pipeline 5 on the controller 100. Wherein the input voltage of the refrigeration device can be 9V-50V. This allows the controller 100 of the present invention to be a microcontroller 100, which can be used in a miniature refrigeration device.

As is known, a refrigerating apparatus with low power (200W-500W) is now widely used in various new fields, such as an on-vehicle refrigerator, a desktop air conditioner, a portable air conditioner, and the like. Although the power of the refrigeration devices is small, generally, because the input voltage is small (such as 12V application), the working current is large, and especially in high-temperature and heavy-load application occasions, heating elements such as power devices, sampling resistors and the like are easy to enter a shutdown protection state due to overhigh temperature rise, the conventional air-cooling heat dissipation mode cannot meet the use requirement under some limit working conditions (such as the ambient temperature of 60 ℃ and the ambient temperature of a controller in closed equipment can reach 70 ℃) often, and meanwhile, in some application occasions, the controller has to be installed on the side of a condenser, and meanwhile, a fan cannot be installed due to the limitation of a system structure. Thereby when refrigerating plant adopts the utility model discloses during controller 100, can solve controller 100 effectively because of the too high circumstances of shutdown protection of temperature, improve controller 100's reliability, improve refrigerating plant's reliability. The controller 100 can work stably and reliably under the limit working conditions of high environmental temperature, heavy load and the like.

Other constructions and operations of the refrigerating device according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 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. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A controller, comprising:

the circuit board is provided with a plugging part, and the plugging part is suitable for mounting a circuit plug-in unit;

the heating element is arranged on the circuit board and is positioned on the same side of the circuit board as the plug-in part;

an insulating member provided on a side of the circuit board away from the heat generating element, the insulating member having thermal conductivity;

the radiator is arranged on one side of the insulating part far away from the circuit board, and a first avoidance port is arranged on the part of the radiator, which is opposite to the insertion part;

the refrigerant pipeline is arranged on the radiator.

2. The controller of claim 1, wherein the plug portion is located at an edge of the circuit board, and the first relief opening is formed as a notch.

3. The controller according to claim 1, wherein a second escape opening is provided on a portion of the insulating member facing the insertion portion.

4. The controller of claim 1, wherein the circuit board and the insulator are secured to the heat sink by a connector.

5. The controller of any one of claims 1-4, further comprising a fixing bracket for fixing the controller to a work surface, the fixing bracket being located on a side of the heat sink remote from the insulator and connected to the heat sink.

6. The controller according to claim 5, wherein a placement groove is provided on the fixing bracket and/or the radiator, and the refrigerant pipeline is disposed in the placement groove.

7. The controller according to claim 5, wherein a first groove is formed on a side of the fixing bracket facing the heat sink, a second groove is formed on a side of the heat sink facing the fixing bracket, and the first groove and the second groove are arranged opposite to each other to define a placing groove for placing the refrigerant pipeline.

8. The controller of claim 5, wherein the fixed bracket is fixedly connected with the heat sink through a connector.

9. The controller of claim 5, wherein the fixed bracket is snap-fit to the heat sink.

10. A refrigeration device, characterized by comprising a controller according to any one of claims 1-9.

Images