CN118935797A - HVAC equipment - Google Patents

Abstract

The application provides heating and ventilation equipment, which comprises an equipment main body, a first electric control box and a second electric control box, wherein the equipment main body comprises a box body and a first middle partition plate arranged in the box body, the first middle partition plate divides the interior of the box body into a fan cavity and a compressor cavity, the first electric control box is arranged in the first middle partition plate, the second electric control box is arranged in the compressor cavity, the first electric control box comprises a first shell and a first circuit assembly, the first circuit assembly is arranged in the first shell, the first shell is at least partially positioned in the fan cavity, and the first electric control box is configured to perform heat dissipation and cooling through air flow in the fan cavity; the second electric control box comprises a second shell and a second circuit component, the second circuit component is arranged in the second shell, and the heating value of the second circuit component is lower than that of the first circuit component. The heating ventilation equipment provided by the application improves the space utilization rate and ensures good heat dissipation efficiency.

Description

Heating and ventilation equipment

Technical Field

The application relates to the technical field of heat pumps, in particular to heating and ventilation equipment.

Background

The heating and ventilation equipment is a high-efficiency energy-saving device which fully utilizes low-grade heat energy, generally obtains the low-grade heat energy from air, water or soil in the nature, and then utilizes the low-grade heat energy to improve the available high-grade heat energy for people.

An electric control box is usually arranged in the heating and ventilation equipment, and a control circuit board carrying electronic elements is intensively arranged in the electric control box so as to control the heating and ventilation equipment through the control circuit board. When the heating and ventilation equipment is operated, a great amount of heat can be generated by some electronic components on the control circuit board, and the normal operation of the electronic components can be influenced, so that the heat management efficiency of an electric control box in the heating and ventilation equipment is lower, and the heat dissipation performance of the control circuit board is poorer.

Disclosure of Invention

The application mainly aims to provide heating and ventilation equipment, and aims to solve the technical problem that the heat dissipation performance of a control circuit board is poor due to lower heat management efficiency of an electric control box in the existing heating and ventilation equipment.

In order to achieve the above purpose, the application provides a heating and ventilation device, which comprises a device main body, a first electric control box and a second electric control box, wherein the device main body comprises a box body and a first middle partition board arranged in the box body, the first middle partition board divides the interior of the box body into a fan cavity and a compressor cavity, the first electric control box is arranged in the first middle partition board, and the second electric control box is arranged in the compressor cavity.

The first electric control box comprises a first shell and a first circuit component, the first circuit component is arranged in the first shell, the first shell is at least partially positioned in the fan cavity, and the first electric control box is configured to radiate and cool through air flow in the fan cavity; the second electric control box comprises a second shell and a second circuit component, the second circuit component is arranged in the second shell, and the heating value of the second circuit component is lower than that of the first circuit component.

The beneficial effects of the application are as follows: by arranging two independent electric control boxes, one electric control box is arranged on the first middle partition plate, and the other electric control box is arranged in the compressor cavity, so that the space inside the box body is fully utilized, and the space utilization rate is improved; on the basis, according to the difference of the heating value and the functions of the circuit components, different circuit components are respectively arranged in the two electric control boxes, the circuit component with relatively higher heating value can be arranged in the electric control box positioned on the first middle partition plate, the circuit component with relatively lower heating value can be arranged in the electric control box positioned in the compressor cavity, and then the circuit component with relatively higher heating value can utilize the air flow of the fan cavity to dissipate heat, so that the circuit components can be maintained in a proper working temperature range.

On the basis of the technical scheme, the application can be improved as follows.

As an alternative embodiment, the second electronic control box may be located on a side of the compressor chamber remote from the first intermediate partition.

By the arrangement, the second electric control box with low heat dissipation capacity requirement can fully utilize the space in the compressor cavity, and the space utilization rate is improved.

As an alternative embodiment, a second middle partition is arranged in the compressor cavity, the compressor is positioned between the first middle partition and the second middle partition, and the second electric control box is connected to one side of the second middle partition, which is away from the compressor.

So set up, when make full use of compressor side space, be convenient for install the second automatically controlled box.

As an alternative embodiment, the second housing may include a housing body and a cover plate, where an opening is formed on a side of the housing body facing away from the first middle partition, the cover plate covers the opening, and the housing body and the cover plate enclose a closed accommodating cavity, and the second circuit assembly is located in the accommodating cavity.

By the arrangement, the second electric control box has good waterproof, dustproof and refrigerant-proof effects, and the interior space of the second shell is kept clean and dry.

As an alternative embodiment, the side of the casing body may be provided with a hooking portion, the inner wall of the case is provided with a supporting portion, and the hooking portion is movably spliced with the supporting portion, or the hooking portion is rotatably connected with the supporting portion.

So set up, when guaranteeing second casing and box connection reliability, improve the second casing and dismantle or open the convenience from the box to carry out maintenance operation.

As an alternative embodiment, the number of the hanging parts may be plural, and the plural hanging parts may be distributed at intervals along the side of the housing body.

The arrangement ensures that the second shell is provided with a plurality of bearing stress points on the box body, thereby improving the installation stability of the second electric control box.

As an alternative embodiment, the side wall of the casing body may be provided with a first fold, the first fold is provided with a mounting hole, and the second electronic control box may further include a fastener, and the fastener passes through the mounting hole to be connected with the inner wall of the box body; the hanging part is positioned at the edge of the first folded edge.

So set up, can fix the automatically controlled box of second on the inner wall of box through the fastener to prevent that the automatically controlled box of second from rocking.

As an alternative implementation mode, the edge of the cover plate can be attached to the first folding edge, and the cover plate can be provided with an avoidance gap which is opposite to the mounting hole.

By the arrangement, the cover plate and the shell body are prevented from being interfered by the installation of the fastener, and good sealing performance is ensured.

As an alternative embodiment, the second circuit assembly may include a wire holder and a plurality of electrical components electrically connected to the wire holder, and a second wire connection port is formed on a side of the second housing adjacent to the wire holder, and the wire holder is connected to a cable penetrating through the second wire connection port.

By the arrangement, an external power supply can be connected to supply power for the electric elements.

As an alternative embodiment, the side wall of the second housing may be provided with a first connection opening, and at least part of the electrical components are electrically connected to the first circuit assembly by a cable penetrating through the first connection opening.

By the arrangement, communication between the first electric control box and the second electric control box can be realized.

As an alternative embodiment, the housing body may include a first case and a second case, the second case being connected with the first case, the first case having a first cavity, the second case having a second cavity, the first case being provided with a through hole, and the through hole may communicate with the first cavity and the second cavity, and the plurality of electric elements may be disposed in the first cavity and the second cavity, respectively.

By the arrangement, the electric element can be arranged in different cavities according to the size and the volume of the electric element, so that the space occupation of the shell body is reduced.

As an alternative embodiment, the plurality of electrical components may include a main control board, a temperature controller, and an ac contactor, the main control board and the temperature controller may be located in the first cavity, the ac contactor may be located in the second cavity, and the ac contactor is opposite to the through hole.

By the arrangement, the wiring convenience of the alternating-current contactor can be improved.

As an alternative implementation mode, a compressor is arranged in the compressor cavity, a communication wire is connected between the first electric control box and the second electric control box, and the communication wire extends along the top of the compressor; and/or a power line is connected between the first electric control box and the second electric control box, and extends along the top of the compressor.

By the arrangement, the convenience of wiring is improved, and interference between the cable and a pipeline in the compressor cavity is prevented.

As an optional implementation mode, the first electric control box is connected with the compressor through a control wire, the side wall of the compressor is provided with a wire clamping groove, and the control wire penetrates through the wire clamping groove.

The edge is fixed to the cable, and the cable is prevented from moving in series.

As an alternative embodiment, the second housing may further comprise a seal disposed around the opening, and the seal abuts between the housing body and the cover plate.

By this arrangement, the sealability of the second housing can be improved.

As an alternative embodiment, the side of the first housing facing the fan cavity is provided with a heat conducting structure, and the heat conducting structure is located in the fan cavity and is configured to exchange heat with air flow in the fan cavity, so that the heat conducting structure carries out heat dissipation and cooling on the first circuit component.

By the arrangement, the heat dissipation efficiency of the first circuit component can be improved.

The application provides heating and ventilation equipment, which comprises an equipment main body, a first electric control box and a second electric control box, wherein the equipment main body comprises a box body and a first middle partition plate arranged in the box body, the first middle partition plate divides the interior of the box body into a fan cavity and a compressor cavity, the first electric control box is arranged in the first middle partition plate, the second electric control box is arranged in the compressor cavity, the first electric control box comprises a first shell and a first circuit assembly, the first circuit assembly is arranged in the first shell, the first shell is at least partially positioned in the fan cavity, and the first electric control box is configured to perform heat dissipation and cooling through air flow in the fan cavity; the second electric control box comprises a second shell and a second circuit component, the second circuit component is arranged in the second shell, and the heating value of the second circuit component is lower than that of the first circuit component. According to the heating and ventilation equipment provided by the application, by arranging the two independent electric control boxes, the circuit component with relatively high heating value can be arranged in the electric control box positioned on the first middle partition plate, and the circuit component with relatively low heating value can be arranged in the electric control box positioned in the compressor cavity, so that the space utilization rate is improved, and meanwhile, the good heat dissipation efficiency is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a heating and ventilation device according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an internal structure of a heating and ventilation device according to an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a second electric control box in a heating ventilation device according to an embodiment of the present application;

fig. 4 is an exploded view of a second electronic control box in the heating ventilation device according to the embodiment of the present application;

FIG. 5 is a partial view of the position A of FIG. 4;

FIG. 6 is a partial view of the position B of FIG. 4;

fig. 7 is a schematic structural diagram of a first electronic control box in a heating ventilation device according to an embodiment of the present application;

fig. 8 is an exploded view of a first electronic control box in a heating ventilation device according to an embodiment of the present application;

FIG. 9 is a schematic diagram illustrating a first wiring of a compressor chamber in a heating and ventilation device according to an embodiment of the present application;

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a second schematic diagram of a compressor chamber of a heating and ventilation device according to an embodiment of the present application;

fig. 12 is a partial view of the C position of fig. 11.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	First electric control box	110	First shell body
111	Heat conducting shell wall	112	First heat dissipation part
				120	First circuit assembly	130	Wire outlet
140	Wire outlet pipe	200	Device body
				210	Box body	211	Fan cavity
212	Compressor chamber	220	First middle partition board
				230	Blower fan	240	Compressor with a compressor body having a rotor with a rotor shaft
300	Second electric control box	310	Second shell
				311	Casing body	3111	First box body
3111a	First cavity body	3112	Second box body
				3112a	Second cavity body	3113	An opening
3114	Hanging part	3115	First folding edge
				3115a	Mounting hole	3116	Second wiring port
3117	First wiring port	3118	Through hole
				312	Cover plate	3121	Avoidance gap
320	Second circuit assembly	321	Wire holder
				322	Main control board	323	Temperature controller
324	AC contactor	400	Sound-proof cover
				401	Wire clamping groove	500	Communication line
600	Power line	700	Control line
				250	Second middle partition board

Detailed Description

The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

At present, an electric control box is usually arranged in the heating and ventilation equipment in the prior art, and a control circuit board carrying electronic elements is intensively arranged in the electric control box so as to control the heating and ventilation equipment through the control circuit board. When the heating and ventilation equipment is operated, a great amount of heat can be generated by some electronic components on the control circuit board, and the normal operation of the electronic components can be influenced, so that the heat management efficiency of an electric control box in the heating and ventilation equipment is lower, and the heat dissipation performance of the control circuit board is poorer.

In order to improve the thermal management efficiency of the electric control box in the prior art, the electric control box in the related art can be arranged to be of an open structure, and a specific heat dissipation structure is arranged inside or outside the electric control box, such as a heat dissipation fan and the like, but more electric elements are concentrated in the electric control box, and additionally arranging heat dissipation components can increase the occupied space of the electric control box and related accessories in heating ventilation equipment, so that the space utilization rate is low, and the heat dissipation efficiency is still insufficient.

In view of this, the present application provides a heating and ventilation device, in which the structure of the casing of the electric control box in the heating and ventilation device is improved, the electric control box is separately arranged to form a plurality of independent electric control boxes, which are respectively arranged at different positions in the heating and ventilation device, so that the circuit components with high heat generation amount can be efficiently cooled, and the circuit components with low heat generation amount do not adopt a separate heat dissipation means, thereby improving the heat management efficiency of the electric control box, and solving the technical problem of lower heat management efficiency of the existing electric control box.

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order to facilitate understanding, first, an application scenario of the electronic control box and the heating ventilation device provided by the embodiment of the application is described.

In the heating and ventilation equipment provided by the embodiment of the application, the electric control box is used for controlling the operation of the heating and ventilation equipment, the heating and ventilation equipment can be applied to occasions for adjusting the temperature, for example, the water temperature of a swimming pool is adjusted, the pool water in the swimming pool is maintained in a relatively constant temperature state, the pool water in the swimming pool can circularly flow into the heating and ventilation equipment for heat exchange, and in addition, the heating and ventilation equipment can also be used in the fields needing water temperature control, such as aquaculture and the like, and used for adjusting the air temperature, so that the heating or refrigerating function is realized. The heating and ventilation equipment can be an air conditioner, a multi-split air conditioner, a heat pump equipment, a swimming pool machine, a water heater and the like, and the embodiment of the application is not particularly limited.

Fig. 1 is a schematic structural view of a heating and ventilation device according to an embodiment of the present application, fig. 2 is a schematic structural view of an internal structure of a heating and ventilation device according to an embodiment of the present application, fig. 3 is a schematic structural view of a second electronic control box in a heating and ventilation device according to an embodiment of the present application, fig. 4 is an exploded view of the second electronic control box in the heating and ventilation device according to an embodiment of the present application, fig. 5 is a partial view of a position a in fig. 4, fig. 6 is a partial view of a position B in fig. 4, fig. 7 is a schematic structural view of a first electronic control box in the heating and ventilation device according to an embodiment of the present application, and fig. 8 is an exploded view of the first electronic control box in the heating and ventilation device according to an embodiment of the present application.

Referring to fig. 1 to 8, the heating and ventilation apparatus of the present application includes an apparatus main body 200, a first electronic control box 100, and a second electronic control box 300, and the apparatus main body 200 may include a case 210 and a first middle partition 220 disposed in the case 210. The first middle partition plate 220 divides the interior of the case 210 into a fan chamber 211 and a compressor chamber 212, and the first electronic control box 100 is disposed in the first middle partition plate 220, so that the first electronic control box 100 is located at the separation position of the fan chamber 211 and the compressor chamber 212, to realize the installation of the second electronic control box 300 in the case 210, and the second electronic control box 300 is disposed in the compressor chamber 212. The first electric control box 100 and the second electric control box 300 can be independently installed, and the first electric control box 100 and the second electric control box 300 are matched with each other to realize the control function of heating and ventilation equipment.

The first electronic control box 100 includes a first housing 110 and a first circuit component 120, the first circuit component 120 is disposed in the first housing 110, the second electronic control box 300 includes a second housing 310 and a second circuit component 320, the second circuit component 320 is disposed in the second housing 310, and when the heating and ventilation device works, the heat productivity of the second circuit component 320 is lower than that of the first circuit component 120, so that the heat dissipation requirement of the first circuit component 120 is greater than that of the second circuit component 320.

It can be appreciated that the first housing 110 is at least partially located in the fan cavity 211, and the first electronic control box 100 is configured to perform heat dissipation and cooling by using the airflow in the fan cavity 211, so that the first circuit assembly 120 with a higher heat dissipation requirement can transfer heat to the first housing 110 and dissipate heat by using the airflow in the fan cavity 211, and the second housing 310 located in the compressor cavity 212 has a relatively low heat productivity due to the second circuit assembly 320, so that the second housing 310 can be disposed at an edge gap position in the compressor cavity 212 according to the space utilization condition of the compressor cavity 212 to perform natural heat dissipation, thereby fully utilizing the space.

It should be noted that, in the heating and ventilation device provided in the embodiment of the present application, by providing the first electronic control box 100 and the second electronic control box 300 that are relatively independent, and disposing the first circuit component 120 and the second circuit component 320 in the first electronic control box 100 and the second electronic control box 300 according to the difference of the heat values, so that the first circuit component 120 in the first electronic control box 100 located on the first middle partition 220 has a higher heat dissipation efficiency, while the second electronic control box 300 can accommodate the second electronic control box 300 component with a low heat dissipation requirement and is disposed in the compressor cavity 212, thereby fully utilizing the space inside the box 210, improving the space utilization ratio, and further the second circuit component 320 with a relatively higher heat value can dissipate heat by using the air flow of the fan cavity 211, so that the electronic control components of the heating and ventilation device can be maintained in a suitable operating temperature range.

The specific manner and structure of mounting the second electronic control box 300 within the compressor chamber 212 will be described in detail first.

Referring to fig. 1 to 6, in one possible implementation manner, the second electronic control box 300 may be located on a side of the compressor cavity 212 away from the first middle partition 220, so that the second electronic control box 300 with low heat dissipation requirement can fully utilize the space in the compressor cavity 212, and improve the space utilization rate.

It is understood that the second housing 310 may be disposed vertically within the compressor chamber 212, and the shell wall of the second housing 310 may be disposed as closely as possible to the chamber wall of the compressor chamber 212.

In some embodiments, a second barrier 250 is disposed within the compressor chamber 212, the compressor 240 is positioned between the first barrier 220 and the second barrier 250, and the second electrical control box 300 is connected to a side of the second barrier 250 facing away from the compressor 240.

It will be appreciated that the weight of the second electronic control box 300 is carried by the second barrier 250. In addition, the second housing 310 may be movably connected to the second partition 250, so that the second electronic control box 300 may be removed from the compressor chamber 212, thereby facilitating maintenance of the second electronic control box 300.

In some embodiments, the second housing 310 may include a housing body 311 and a cover plate 312, where an opening 3113 is formed on a side of the housing body 311 facing away from the first middle partition 220, the cover plate 312 covers the opening 3113, and the housing body 311 and the cover plate 312 enclose a closed accommodating cavity, and the second circuit assembly 320 is located in the accommodating cavity.

The second circuit assembly 320 may be connected to an inner wall of the side of the housing main body 311, which is close to the first middle partition 220, and the cover plate 312 is in sealing connection with the housing main body 311, so that the second electronic control box 300 has good waterproof, dustproof and refrigerant-proof effects, keeps the interior space of the second housing 310 clean and dry, and can prevent the refrigerant from entering the second electronic control box 300 to cause combustion or explosion when the refrigerant leaks from the heating and ventilation device.

It should be noted that, when the case 210 has a top plate and is being opened, the inner space of the fan chamber 211 and the compressor chamber 212 may be exposed, and the second electronic control box 300 may be detachably mounted in the compressor chamber 212, so that the second electronic control box 300 may be detached after the top plate is opened.

In some embodiments, the side of the housing body 311 may be provided with a coupling portion 3114, the inner wall of the case 210 is provided with a supporting portion, the coupling portion 3114 is movably coupled to the supporting portion, or the coupling portion 3114 is rotatably connected to the supporting portion, so as to improve the convenience of the second housing 310 when the second housing 310 is detached or opened from the case 210 while ensuring the reliability of the connection between the second housing 310 and the case 210, so as to facilitate the maintenance operation.

It will be appreciated that when the hooking portion 3114 is movably engaged with the supporting portion, the second electronic control box 300 may be placed into the compressor chamber 212 from the top of the case 210 in a vertical direction, or taken out of the compressor chamber 212 in a vertical direction, and illustratively, both sides of the inner wall of the compressor chamber 212 facing away from the side of the first middle partition 220 may be provided with guide grooves, both sides of the second housing 310 may be opposite to the guide grooves, and the guide grooves may play a role in guiding the movement of the second electronic control box 300 during the insertion and assembly in the compressor chamber 212.

When the coupling portion 3114 is rotatably connected to the support portion, the coupling portion 3114 may function as a rotation shaft, and when the coupling portion 3114 is connected to the support portion, the coupling portion 3114 may have a certain gap with the support portion, so that a space is reserved for rotation of the coupling portion 3114 relative to the support portion.

In some embodiments, the number of the hanging portions 3114 may be plural, and the plurality of hanging portions 3114 may be distributed at intervals along the side of the housing body 311, so that the second housing 310 has a plurality of bearing stress points on the housing 210, so as to improve the stability of the installation of the second electronic control box 300. Both sides of the housing body 311 extending in the vertical direction may be provided with the hooking portions 3114, so that both sides of the second housing 310 may be effectively supported.

The side wall of the housing body 311 may be provided with a first hinge 3115, the first hinge 3115 is provided with a mounting hole 3115a, and the second electronic control cartridge 300 may further include a fastener coupled to the inner wall of the case 210 through the mounting hole 3115 a. The hooking portion 3114 is located at an edge of the first folded edge 3115, and after the hooking portion 3114 forms a hooking support with the supporting portion, the second electronic control box 300 may be fixed to an inner wall of the case 210 by a fastener, thereby preventing the second electronic control box 300 from shaking.

Illustratively, the first flange 3115 may have a length matching the length of the side edge of the second housing 310, the mounting holes 3115a may be plural, and the plurality of first mounting holes 3115a may be spaced apart along the length of the first flange 3115.

In some embodiments, the edge of the cover plate 312 may be attached to the first folded edge 3115, and the cover plate 312 may be provided with a avoidance gap 3121, where the avoidance gap 3121 is opposite to the mounting hole 3115a, so as to ensure good tightness between the cover plate 312 and the housing body 311 while preventing interference between the cover plate 312 and the mounting of the fastener.

It is understood that the cover plate 312 may have a flat plate structure, the first fold 3115 may be parallel to the cover plate 312, the cover plate 312 may be shaped to match the shape of the opening 3113 of the housing body 311, and the size of the cover plate 312 may be slightly larger than the size of the opening 3113. The avoidance notches 3121 may be provided in one-to-one correspondence with the mounting holes 3115a on the first fold 3115.

The specific layout of the second circuit assembly 320 in the second housing 310 is described in detail below.

Referring to fig. 1 to 4, in one possible implementation, the second circuit assembly 320 may include a wire holder 321 and a plurality of electrical components electrically connected to the wire holder 321, a second wire port 3116 is disposed on a side of the second housing 310 near the wire holder 321, and the wire holder 321 is connected to a cable passing through the second wire port 3116, so that an external power source can be accessed to supply power to the electrical components.

It will be appreciated that the wire holder 321 may be connected to a three-phase power supply, the second wire connection ports 3116 may be three, and the three wire connection ports may be disposed on the same side of the second housing 310, and may respectively introduce power lines of the three-phase power supply.

In some embodiments, the sidewall of the second housing 310 may be provided with a first connection port 3117, and at least a portion of the electrical components may be electrically connected to the first circuit assembly 120 through a cable passing through the first connection port 3117, so that communication between the first and second electronic control boxes 100 and 300 may be achieved.

It is understood that the connection cable between the first circuit assembly 120 and the second circuit assembly 320 may be laid out and fixed in the compressor chamber 212 along the inner wall of the compressor chamber 212. Illustratively, the cable between the first circuit assembly 120 and the second circuit assembly 320 may be secured by a stop button on the compressor cavity 212.

It should be noted that the number of the first connection ports 3117 may be plural, and the plural first connection ports 3117 may be disposed corresponding to different electrical components, so as to facilitate the different electrical components to draw out corresponding cables.

In some embodiments, the case body 311 may include a first case 3111 and a second case 3112, the second case 3112 is connected with the first case 3111, the first case 3111 has a first cavity 3111a, the second case 3112 has a second cavity 3112a, the first case 3111 is provided with a through hole 3118, and the through hole 3118 may communicate with the first cavity 3111a and the second cavity 3112a, a plurality of electrical components may be disposed in the first cavity 3111a and the second cavity 3112a, respectively, and may be disposed in different cavities according to size and volume of the electrical components, thereby reducing space occupation of the case body 311.

Wherein, a plurality of electrical components can include main control board 322, temperature controller 323 and ac contactor 324, and main control board 322 and temperature controller 323 can be located first cavity 3111a, and ac contactor 324 can be located second cavity 3112a, and ac contactor 324 with through-hole 3118 is relative, can improve the convenience of ac contactor 324 wiring.

It can be appreciated that the first cavity 3111a formed by the first box 3111 may be a flat structure, the main control board 322 is a plate structure, the volumes of the temperature controller 323 and the wire holder 321 are smaller, so that the main control board 322, the temperature controller 323 and the wire holder 321 may be disposed in the first cavity 3111a, and the space occupied by the ac contactor 324 is larger, so that the ac contactor 324 may be independently disposed in the second cavity 3112a, and the shape and the volume of the second cavity 3112a may be matched with those of the ac contactor 324.

Illustratively, the main control board 322 may include a first main control board and a second main control board, where the first main control board and the second main control board may be used to control operations of different power devices on the hvac device, for example, may be used to control operations of the components such as the compressor 240 and the fan 230.

Fig. 9 is a first schematic diagram of a compressor chamber of a heating ventilation device according to an embodiment of the present application, fig. 10 is a top view of fig. 9, fig. 11 is a second schematic diagram of a compressor chamber of a heating ventilation device according to an embodiment of the present application, and fig. 12 is a partial view of a position C in fig. 11.

Referring to fig. 9 to 12, in some embodiments, a compressor 240 is disposed in the compressor chamber 212, the compressor 240 may include a compressor body and a sound-proof housing 400 sleeved outside the compressor body, and a communication line 500 is connected between the first electronic control box 100 and the second electronic control box 300, and the communication line 500 extends along the top of the compressor 240, for example, the communication line 500 may extend along the top of the sound-proof housing 400.

In some embodiments, a power line 600 is connected between the first and second electronic control boxes 100 and 300, the power line 600 extends along the top of the compressor 240, for example, the communication line 500 may extend along the top of the sound insulation cover 400, thereby improving the convenience of wiring and preventing the cable from interfering with the pipeline in the compressor chamber 212.

It will be appreciated that one of the communication line 500 and the power line 600 may be disposed along the inner side of the top of the soundproof cover 400, the other may be disposed along the outer side of the top of the soundproof cover 400, and the communication line 500 and the power line 600 may be fixed at the corner position of the soundproof cover 400 by a buckle or a binding tape, so as to improve the reliability of wiring and prevent the cable from falling off.

In some embodiments, the first electronic control box 100 and the compressor 240 are connected through a control wire 700, and the side wall of the sound insulation cover 400 on the compressor 240 may be provided with a wire clamping groove 401, and the control wire 700 is threaded through the wire clamping groove 401, so that the cable is fixed conveniently, and the cable is prevented from being strung.

By way of example, the control lines 700 may include a compressor control line for controlling the operation of the compressor 240 and a high voltage switch control line for controlling the high voltage switch. The number of the line passing grooves 401 can be two, and the compressor control line and the high-voltage switch control line can be respectively arranged in the two line passing grooves 401 in a penetrating way.

In addition, the second housing 310 may further include a seal disposed around the opening 3113, and the seal abuts between the housing main body 311 and the cover plate 312, so that the sealability of the second housing 310 may be improved. The sealing member may be an elastic sealing ring, or may be a sealing sponge, or the like, which is not particularly limited in the embodiment of the present application.

The heat dissipation and installation of the first electronic control box 100 will be described.

Referring to fig. 1 to 8, in one possible implementation manner, a side of the first housing 110 facing the fan cavity 211 has a heat conducting structure, and the heat conducting structure is located in the fan cavity 211 and configured to exchange heat with an air flow in the fan cavity 211, so that the heat conducting structure dissipates heat from the first circuit component 120, thereby improving the heat dissipation efficiency of the first circuit component 120.

The first circuit component 120 includes a control circuit board, the first casing 110 encloses and forms a closed accommodating cavity, and the control circuit board is disposed in the accommodating cavity to ensure that the first electronic control box 100 has good sealing performance, so that the first electronic control box 100 can realize waterproof and dustproof effects, and the control circuit board has a dry and clean working environment, and further has good working stability and long service life. In addition, when the refrigerant leaks from the heating and ventilation device, the sealed first electronic control box 100 can prevent the refrigerant from entering the first electronic control box 100, so as to avoid the risk of burning or explosion.

It can be appreciated that, because the accommodating cavity of the first housing 110 is a closed space, the heat of the control circuit board can be transferred to the heat conducting structure of the first housing 110 in a heat conduction manner, and the heat conducting structure can radiate through the air flow in the fan cavity 211, so that the first electronic control box 100 can radiate directly through the air flow in the fan cavity 211, and the air flow for radiation does not need to pass through the compressor cavity 212, thereby shortening the radiating path and improving the radiating efficiency.

In some embodiments, the first housing 110 is provided with the first heat dissipation portion 112 facing the fan cavity 211 due to the outer wall of one side, the first heat dissipation portion 112 extends into the fan cavity 211, and air-cooled heat dissipation of the first heat dissipation portion 112 can be performed by using air flow generated in the fan cavity 211 by the fan 230, so that heat of the first housing 110 can be continuously taken away by the first heat dissipation portion 112, and heat on the control circuit board can be continuously taken away by the first housing 110, so that heat dissipation and cooling of the control circuit board can be performed.

Blower 230 may be mounted in blower cavity 211, and compressor 240, piping, and other structures may be mounted in compressor cavity 212. The device body 200 may be understood as other structures in the heating and ventilation device except the first and second electronic control boxes 100 and 300. That is, the apparatus body 200 may include, but is not limited to, a case 210, a blower fan 230, a compressor 240, and the like. The structure of the apparatus main body 200 is not further limited in the present application.

In fig. 2, only the mounting positions of the first electronic control box 100 and the second electronic control box 300 in the housing 210 of the apparatus main body 200 are shown, and the structure of the apparatus main body 200 is a schematic structure, and therefore fig. 2 does not limit the structures of the apparatus main body 200 and the heating and ventilation apparatus.

The specific heat dissipation structure and heat dissipation manner of the first housing 110 in the fan cavity 211 are described in detail below.

Referring to fig. 1 to 8, in one possible implementation, the first housing 110 may be disposed on the first middle partition 220, where the first housing 110 may be assembled with the first middle partition 220 by plugging, and the first middle partition 220 provides guidance for plugging of the first housing 110. After the plugging, the first middle spacer 220 plays a supporting role on the first housing 110, and the first housing 110 may be fixed by means of screws or the like.

The first heat dissipation portion 112 may be a heat dissipation fin, and the first heat dissipation portion 112 and the first housing 110 may be an integrally formed piece, so that the distribution density of the heat dissipation portion may be increased, the heat dissipation effect is improved, meanwhile, the processing convenience is improved, and the production cost is reduced.

It can be appreciated that the integrally formed first heat dissipation portion 112 and the first housing 110 may be made of metal, so as to increase the heat dissipation area of the first housing 110, so that the entire first housing 110 forms a heat dissipation structure, enhance heat dissipation uniformity, and simultaneously, utilize heat conduction performance of metal to transfer heat of the control circuit board to the first heat dissipation portion 112 outside the first housing 110 as soon as possible, thereby further accelerating heat dissipation of the control circuit board, and improving heat management efficiency of the first electronic control box 100 and heat dissipation performance of the control circuit board.

The first housing 110 may be an aluminum housing, for example. Or the first housing 110 may be made of a heat conductive metal having a good heat conductive property such as aluminum alloy, copper, or the like. In the embodiment of the present application, the preparation materials of the first housing 110 and the heat dissipation portion are not further limited.

In a possible implementation manner, the side walls of the first housing 110 facing the fan cavity 211 are heat-conducting housing walls 111, and the heat-conducting housing walls 111 are configured to exchange heat with the first heat dissipation portion 112, so that the heat-conducting housing walls 111 dissipate heat in the accommodating cavity, and heat generated during operation of the control circuit board can be quickly transferred to the outside of the first housing 110.

It can be appreciated that the first housing 110 has a larger area when transferring heat due to the heat conductive housing wall 111, so that the heat of the control circuit board can be uniformly transferred to the heat conductive housing wall 111, thereby enhancing the uniformity of heat dissipation of the heat conductive housing wall 111.

Wherein the heat conductive housing wall 111 may be a metal housing wall. This makes it possible to absorb heat of the control circuit board by utilizing the heat conductive property of the metal and transfer the heat of the control circuit board to the first heat dissipating part 112 at the outer side of the first housing 110 so that the first heat dissipating part 112 exchanges heat with the air flow in the fan chamber 211.

By way of example, the metal shell wall may include, but is not limited to, a metal shell wall prepared from a thermally conductive metal having good thermal conductivity such as aluminum, copper, aluminum alloy, and the like. The embodiment of the application does not limit the metal materials adopted by the metal shell wall further.

In some embodiments, the control circuit board may abut against the heat-conducting shell wall 111, so that good heat exchange efficiency between the first housing 110 and the control circuit board may be ensured, so that heat generated in the operation process of the control circuit board may be dissipated through the heat-conducting shell wall 111 quickly.

In other embodiments, a space may be formed between the control circuit board and the heat-conducting shell wall 111, and a heat-conducting medium may be filled between the control circuit board and the heat-conducting shell wall 111, and heat of the control circuit board is conducted to the heat-conducting shell wall 111 by using the heat-conducting medium, so that heat is dissipated through the first heat dissipating portion 112 and the second heat dissipating portion.

It is understood that the control circuit board may have electronic components disposed thereon, wherein the electronic components may include one or more of a capacitor, an inductor, a power module, and a fan module. Further, the control circuit board may include a greater variety of electronic components thereon. In the embodiment of the application, the types of the electronic components on the control circuit board are not further limited.

It should be noted that, because different electronic components have different contour shapes, when the electronic components are disposed towards the inner side wall of the heat conducting shell wall 111, the inner surface of the heat conducting shell wall 111 can be contoured with respect to the electronic components, and interference or compression on the electronic components can be avoided while the heat conducting shell wall 111 can be abutted to the board body of the control circuit board.

In one possible implementation, a wire outlet 130 for the control circuit board to be wire-out may be provided on a sidewall of the first housing 110, and the wire outlet 130 communicates with the receiving cavity of the first housing 110. The first electronic control box 100 may further include an outlet pipe 140, where the outlet pipe 140 is disposed through the outlet 130 and is connected with the first housing 110 in a sealing manner. Through the arrangement of the wire outlet pipe 140, the control circuit board can conveniently conduct wire outlet from the wire outlet pipe 140, the control circuit board is electrically connected with the second circuit assembly 320 in the second electric control box 300 and other parts of the equipment main body 200, so that signal transmission is conducted through the first electric control box 100 and the second electric control box 300, the equipment main body 200 is controlled, and through the arrangement of the wire outlet 130, sealing assembly of the wire outlet pipe 140 on the first shell 110 can be achieved, and sealing performance of the first electric control box 100 on the wire outlet 130 is ensured.

In the description of the present application, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 application. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (13)

1. The heating and ventilation equipment is characterized by comprising an equipment main body, a first electric control box and a second electric control box, wherein the equipment main body comprises a box body and a first middle partition plate arranged in the box body, the first middle partition plate divides the interior of the box body into a fan cavity and a compressor cavity, the first electric control box is arranged in the first middle partition plate, the second electric control box is arranged in the compressor cavity, and a compressor is arranged in the compressor cavity;

The first electric control box comprises a first shell and a first circuit component, the first circuit component is arranged in the first shell, the first shell is at least partially positioned in the fan cavity, and the first electric control box is configured to radiate and cool through air flow in the fan cavity; the second electric control box comprises a second shell and a second circuit component, the second circuit component is arranged in the second shell, and the heating value of the second circuit component is lower than that of the first circuit component.

2. The hvac device of claim 1, wherein the second electronic control box is located on a side of the compressor chamber remote from the first intermediate diaphragm.

3. A heating and ventilation device according to claim 2, wherein a second middle partition is provided in the compressor chamber, the compressor is located between the first middle partition and the second middle partition, and the second electric control box is connected to a side of the second middle partition away from the compressor.

4. A heating and ventilation device according to any one of claims 1-3, wherein the second housing comprises a housing body and a cover plate, an opening is formed in one side of the housing body away from the first middle partition plate, the cover plate covers the opening, a closed accommodating cavity is formed by enclosing the housing body and the cover plate, and the second circuit assembly is located in the accommodating cavity.

5. The heating and ventilation device according to claim 4, wherein a hanging portion is provided at a side of the housing body, a supporting portion is provided at an inner wall of the case, and the hanging portion is movably inserted into the supporting portion, or the hanging portion is rotatably connected with the supporting portion.

6. The heating and ventilation apparatus according to claim 5, wherein the plurality of the hooking portions are provided in plurality, and the plurality of the hooking portions are spaced apart along the side of the housing body.

7. The heating and ventilation device according to claim 5, wherein a first folded edge is arranged on the side wall of the shell body, a mounting hole is formed in the first folded edge, and the second electric control box further comprises a fastener which penetrates through the mounting hole and is connected with the inner wall of the box body; the hanging part is positioned at the edge of the first folded edge.

8. The heating ventilation apparatus according to claim 4, wherein the housing main body includes a first case and a second case, the second case is connected with the first case, the first case has a first cavity, the second case has a second cavity, the first case is provided with a through hole, and the through hole communicates with the first cavity and the second cavity, the second circuit assembly includes a plurality of electric elements, and the plurality of electric elements are respectively disposed in the first cavity and the second cavity.

9. The heating and ventilation device according to claim 8, wherein a first wiring port is provided on a side wall of the second housing, and at least a part of the electric element is electrically connected to the first circuit assembly through a cable penetrating the first wiring port.

10. The heating and ventilation apparatus of claim 8, wherein the plurality of electrical components includes a main control board, a thermostat, and an ac contactor, the main control board and the thermostat being located in the first cavity, the ac contactor being located in the second cavity, and the ac contactor being opposite the through hole.

11. A heating and ventilation device according to any one of claims 1-3, characterized in that,

A communication line is connected between the first electric control box and the second electric control box, and extends along the top of the compressor; and/or a power line is connected between the first electric control box and the second electric control box, and the power line extends along the top of the compressor.

12. The heating and ventilation device according to claim 11, wherein the first electric control box is connected with the compressor through a control wire, a wire passing groove is formed in the side wall of the compressor, and the control wire penetrates through the wire passing groove.

13. A heating and ventilation apparatus according to any one of claims 1-3 and wherein said first housing has a thermally conductive structure on a side facing said fan chamber, said thermally conductive structure being located within said fan chamber and configured to exchange heat with an air flow within said fan chamber such that said thermally conductive structure dissipates heat from said first circuit assembly.