CN217154385U - Expansion tank and air-conditioning floor heating unit - Google Patents

Abstract

The utility model relates to a pressure equipment technical field, concretely relates to unit warms up expansion tank and air conditioner. The utility model provides an expansion tank, including the cylinder body, be provided with inlet outlet and inflation inlet on the cylinder body, at the inside gasbag that is provided with of cylinder body, the inboard water cavity chamber that is linked together with the inlet outlet of gasbag, for the gas cavity chamber with the inflation inlet intercommunication between gasbag and the cylinder body, the cylinder body of expansion tank is the platykurtic. The utility model discloses an in the scheme, the expansion tank has improved the shape of self for the expansion tank can with warm up other water article compactness settings in the module, make warm up the whole miniaturization more of module.

Description

Expansion tank and air-conditioning floor heating unit

Technical Field

The utility model relates to a pressure equipment technical field, concretely relates to unit warms up expansion tank and air conditioner.

Background

The expansion tank is a pressure device widely applied to heating and hydraulic systems such as air conditioners, solar energy and boilers, can buffer pressure fluctuation in the whole fluid system and prevent the pressure of the fluid system from rising or falling too fast, and can be matched with a safety valve, an automatic water replenishing valve and other parts for use, so that the fluid system can operate under a relatively stable pressure.

However, the expansion tank is large in volume, and how to arrange the arrangement position of the expansion tank reasonably is a common problem. Use air conditioner ground heating unit as an example, among the prior art, air conditioner ground heating unit generally includes the air conditioner module and the floor heating module that stack from top to bottom, and the inside of floor heating module can set up multiple water article usually, for example expansion tank, water pump, heat exchanger etc.. Wherein, the volume of expansion tank is great usually, and the space that the inside of warming up the module occupies is also great, moreover because the cylinder body shape of expansion tank is cylindrical mostly, is difficult to rationally set up its layout of warming up the module inside and be difficult to form inseparable laminating or cooperation structure with other water article that set up in the module of warming up, is unfavorable for realizing the holistic miniaturized design of module of warming up.

Therefore, it is urgently needed to provide a technical scheme which can optimize the structure of the expansion tank, thereby improving the space utilization rate when the expansion tank is used and facilitating the miniaturization design of the whole structure.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides an expansion tank and air conditioning floor heating unit. The utility model provides an expansion tank improves the shape of self for the expansion tank can rationally set up its overall arrangement in equipment or be convenient for it and other water portion article with compacter form overall arrangement, make overall structure miniaturization more.

The technical scheme of the utility model expansion tank that provides, including the cylinder body, be provided with inlet outlet and inflation inlet on the cylinder body, at the inside gasbag that is provided with of cylinder body, the gasbag inboard be the water cavity chamber that is linked together with the inlet outlet, for the gas cavity chamber with the inflation inlet intercommunication between gasbag and the cylinder body, the cylinder body of expansion tank is the platykurtic.

According to the technical scheme of the utility model, the whole platykurtic that is of expansion tank. Generally, the space where the expansion tank is located or the part of the water product arranged in the same space with the expansion tank is in contact with or adjacent to the expansion tank, the expansion tank is designed to be flat, the expansion tank can be matched with the space where the expansion tank is located or the water product arranged in the same space with the expansion tank more closely, the space utilization rate of the space where the expansion tank is located is improved, the whole space where the expansion tank is located can be miniaturized, and the space and the manufacturing cost are saved.

Preferably, the utility model discloses an among the technical scheme, the cylinder body has mutual opposition and than other surface area bigger front and back two sides, and front and back two sides are protruding to the cylinder body outside direction. When the gasbag in the expansion tank is got into in a large number to external water, the volume of gasbag can take place the inflation correspondingly, lead to the gas in the expansion tank to be compressed, atmospheric pressure in the expansion tank rises, and then produce extrusion stress to the cylinder body of expansion tank, set up the front and back two sides of the cylinder body of expansion tank as protruding to the cylinder body outside direction, can make stress evenly exert on the cylinder body through the change of cylinder body atress shape and the expansion of lifting surface, alleviate the atress of cylinder body unit area, avoid the cylinder body to be extruded and take place permanent deformation.

Further, the technical scheme of the utility model in, be provided with the strengthening rib on the front and back two sides of the cylinder body of expansion tank, the strengthening rib can strengthen the intensity of two sides around the cylinder body, improves the load that the cylinder body can bear, makes the structure of cylinder body more firm, avoids the cylinder body pressurized to take place to warp or even break.

Preferably, the technical scheme of the utility model in, the junction between the side of the front and back two sides of the cylinder body of expansion tank and cylinder body is provided with the circular arc chamfer. Similarly, according to the technical scheme of the utility model, set up the circular arc chamfer to the junction between the side of the front and back two sides of cylinder body and cylinder body, can increase the lifting surface area of face and face junction to alleviate cylinder body unit area's atress, and can make the atress of junction even, improve the bulk strength of cylinder body.

The technical scheme of the utility model in, the cross section aspect ratio of the gasbag in the expansion tank matches with the cylinder body. According to above-mentioned scheme, the shape phase-match of the cylinder body that makes gasbag and expansion tank for when the gasbag expanded, the pressure that receives around the cylinder body was more even, avoided the cylinder body atress to take place to warp and even break.

Preferably, in the technical solution of the present invention, the cross-sectional shape of the airbag in the expansion tank is circular or elliptical. Circular or oval-shaped structure can guarantee that gasbag itself when getting into a large amount of liquid, and the ascending atress in all directions is more even with the inflation, avoids gasbag itself to take place deformation or break when bearing a large amount of liquid pressure on the one hand, and on the other hand makes the pressure that the cylinder body received more even, avoids the cylinder body atress to take place to warp and even break.

The technical scheme of the utility model in, the gasbag in the expansion tank passes through the flange and is connected with the cylinder body, and the flange is including the flange lid and the flange ring of the accordant connection of each other. The flange connection structure is stable, and the installation and the disassembly between the air bag and the cylinder body are convenient.

Preferably, the technical scheme of the utility model in, the gasbag includes the gasbag connector, and the gasbag connector is circular or oval. The gasbag connector is the position that gasbag and cylinder body are connected, and during external liquid flowed in the gasbag through the gasbag connector, set up the gasbag connector into circular or oval, can make the atress of gasbag connector department even, make connection structure more firm.

The technical scheme of the utility model still provide a unit warms up air conditioner, including air conditioner module and the module of warming up, air conditioner module with warm up the module and pass through heat transfer pipe connection, warm up and be provided with foretell expansion tank in the module. The structure of above-mentioned expansion tank can rationally be arranged in the module warms up, more closely with warm up other water article cooperations in the module, reduce the expansion tank shared space in the module warms up to the holistic volume of module warms up reduces, the module miniaturization warms up more to messenger.

Preferably, the technical scheme of the utility model in, the air conditioner module among the unit warms up the air conditioner sets up in the module top of warming up. Meanwhile, the air conditioning module is connected with the floor heating module through a heat exchange pipeline, so that the air conditioning module is more closely matched with the floor heating module, and the whole structure of the air conditioning floor heating unit is more compact.

The technical scheme of the utility model in, the shell of the module warms up contains roof and curb plate, and the expansion tank sets up inside the module warms up with the mode that the front and back two sides of cylinder body are on a parallel with roof or curb plate. When the expansion tank is arranged in parallel to the top plate (or the bottom plate) or the side plate, the flat structure of the expansion tank can enable the front face and the back face of the cylinder body to be tightly attached to the top plate of the floor heating module and/or the coiled heat exchange pipeline respectively, the regular degree of arrangement of devices inside the floor heating module is improved, the overall space utilization rate of the floor heating module is improved, and the miniaturization design of the floor heating module is facilitated.

Drawings

FIG. 1 is a schematic illustration of an expansion tank provided in an embodiment of the present invention;

FIG. 2 is a schematic illustration of an expansion tank cross-section provided in an embodiment of the present invention;

FIG. 3 is a schematic view of an air bag provided in an embodiment of the present invention;

fig. 4 is a schematic view of a cross section of a cylinder provided in an embodiment of the present invention;

fig. 5 is a schematic view of a flange connection structure provided in an embodiment of the present invention;

fig. 6 is a schematic view of an air-conditioning floor heating unit provided in an embodiment of the present invention;

fig. 7 is a schematic diagram of another air-conditioning floor heating unit provided in the embodiment of the present invention.

Reference numerals: 1-expansion tank, 2-cylinder body, 21-front, 22-rear, 23-side, 24-reinforcing rib, 25-arc chamfer, 3-water inlet and outlet, 4-inflation inlet, 5-air bag, 51-air bag connector, 52-main body part, 53-transition connecting section, 6-water chamber, 7-air chamber, 8-flange, 10-air-conditioning floor heating unit, 101-air-conditioning module and 102-floor heating module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The term "water inlet/outlet" is a single opening of the expansion tank that serves as both the water inlet and the water outlet, hence the name water inlet/outlet, and does not refer to a water inlet and a water outlet that are separate from each other.

The term "flat" refers to a substantially flat shape of a surface having a cross-sectional aspect ratio greater than 1. The "cross section" of the expansion tank, the cylinder body, or the airbag referred to herein means a section obtained by cutting the expansion tank, the cylinder body, or the airbag in a plane perpendicular to the depth direction of the expansion tank, as shown in fig. 2 and 4.

As shown in fig. 1, in the embodiment of the present invention, an expansion tank 1 is provided, which includes a cylinder body 2, a water inlet/outlet 3 and an inflation inlet 4 are provided on the cylinder body 2, and an air bag 5 is provided inside the cylinder body 2. The water inlet and outlet 3 is positioned at the joint of the cylinder body 2 and the air bag 5 and is a communication port of the cylinder body 2 and the air bag 5, and outside liquid enters or is discharged from the air bag 5 in the expansion tank 1 through the water inlet and outlet 3; the inflation inlet 4 is a communication port between the cylinder body 2 and the outside, and the expansion tank 1 replenishes gas, generally nitrogen or mixed gas of nitrogen and other gases, into the cylinder body 2 through the inflation inlet 4.

Fig. 2 is a schematic view of a cross section of the expansion tank 1 described above. Referring to fig. 2, the inner side of the air bag 5 is a water chamber 6 communicated with the water inlet and outlet 3, and the liquid in the expansion tank 1 is stored in the inner side of the air bag 5, namely the water chamber 6, and is led in and out through the water inlet and outlet 3; a gas chamber 7 communicated with the inflation port 4 is arranged between the air bag 5 and the cylinder body 2, gas in the expansion tank 1 is stored in the inner side of the cylinder body 2 and the outer side of the air bag 5, namely the gas chamber 7, and the gas is supplemented by the inflation port 4; the cylinder body 2 of the expansion tank 1 is flat. The expansion tank 1 provided by the embodiment is an airbag type expansion tank, and water is stored in the airbag 5 and is not in direct contact with the cylinder body 2 generally, so that the cylinder body 2 is prevented from being corroded by the water, the heat exchange of the water with the external environment through the cylinder body 2 is reduced, and the anti-freezing performance of the water in the expansion tank 1 is improved.

In the embodiment of the present invention, the entire cylinder body 2 of the expansion tank 1 is flat, i.e., the distance between the two opposite surfaces having the largest area of the cylinder body 2 is the shortest relative to the distance between the other opposite surfaces. Generally, the space where the expansion tank 1 is located or the part of the water product arranged in the same space with the expansion tank 1 and the expansion tank 1 are mostly plane, the cylinder body 2 of the expansion tank 1 is designed to be flat, the layout of the water product in the space is conveniently and reasonably arranged, the water product can be more closely matched with other water products arranged in the same space, the space utilization rate of the space where the expansion tank 1 is located is improved, and the whole space where the expansion tank 1 is located can be more miniaturized.

Preferably, in the embodiment of the present invention, the cross-sectional (as shown in fig. 2) aspect ratio of the airbag 5 in the expansion tank 1 is matched to the cylinder body 2, i.e. as in fig. 2, the ratio of the lateral length of the airbag 5 to the vertical width of the airbag 5 is substantially equal to the ratio of the lateral length of the cylinder body 2 to the vertical width of the cylinder body 2. As shown in figure 3, because the shape of the air bag 5 is matched with the shape of the cylinder body 2 of the expansion tank 1, when the air bag 5 is inflated by the liquid, the air in the air chamber 7 is extruded, so that the air pressure on the four walls of the cylinder body 2 is more uniform, and the cylinder body 2 is prevented from deforming or even breaking under the stress. The length-to-width ratio of the bladder 5 and the cylinder 2 may be matched to each other at a part of the cross section in the depth direction, for example, only the length-to-width ratio of the main body portion 52, or may be kept matched to each other at the entire cross section in the depth direction, for example, the cross section including the transition connecting section 53 of the water inlet/outlet port 3 and the main body portion 52.

Further, in the embodiment of the present invention, the cross-sectional shape of the airbag 5 in the expansion tank 1 is circular or elliptical. Circular or oval-shaped structure can guarantee that 5 self of gasbag when getting into a large amount of liquid, and the ascending atress of all directions and inflation degree are more even, avoid 5 self of gasbag to take place deformation or rupture when bearing a large amount of liquid pressure on the one hand, and on the other hand makes the pressure that cylinder body 2 received more even, avoids 2 atress of cylinder body to take place to warp and even rupture.

In the embodiment of the present invention, the airbag 5 further includes an airbag connection port 51, and similarly, the airbag connection port 51 is circular or elliptical. The air bag connecting port 51 is a connecting part of the air bag 5 and the cylinder body 2, external liquid flows into the air bag 5 through the air bag connecting port 51, the air bag connecting port 51 is round or oval, the stress at the air bag connecting port 51 can be uniform, the connecting structure of the air bag 5 and the cylinder body 2 is firmer, and the sealing effect of gas and liquid in the expansion tank 1 is ensured. In addition, the mutually matched shapes of the air bag 5 and the cylinder 2 can further reduce or avoid the direct contact between the expanded air bag 5 and the cylinder 2, thereby reducing the heat transfer between the air bag 5 and the cylinder 2 and improving the anti-freezing effect on the water in the air bag 5.

Preferably, in the utility model discloses an in the embodiment, the shape of gasbag connector 51 matches with the shape of the inlet outlet 3 on the cylinder body 2 to, when being full of the liquid atress in gasbag 5, the sealed department atress of being connected of gasbag 5 and cylinder body 2 is even, guarantees sealed effect.

Preferably, in the embodiment of the present invention, the front and rear surfaces of the cylinder body 2 of the expansion tank 1, i.e., the front surface 21 and the rear surface 22 which are opposed to each other and have a larger area than the other side surfaces 23, are protruded in the direction outside the cylinder body 2. When a large amount of external water enters the air bag 5 in the expansion tank 1, the inner side of the air bag 5, namely the volume of the water chamber 6, can be correspondingly expanded, so that the gas in the gas chamber 7 is compressed, the air pressure in the expansion tank 1 rises, and then extrusion stress is generated on the cylinder body 2 of the expansion tank 1, the front and back surfaces of the cylinder body 2 of the expansion tank 1 are raised towards the outer side of the cylinder body 2, the stress can be uniformly applied on the cylinder body 2 through the change of the stress shape of the cylinder body 2 and the expansion of the stress area, the stress of the unit area of the cylinder body 2 is reduced, and the cylinder body 2 is prevented from being deformed by high-pressure gas extrusion.

Fig. 4 is a schematic view of a cross section of a cylinder block 2 provided in the present embodiment. Referring to fig. 4, in the embodiment of the present invention, the front surface 21 and the back surface 22 of the cylinder body 2 of the expansion tank 1 are provided with the reinforcing ribs 24, the reinforcing ribs 24 can enhance the strength of the front and back surfaces of the cylinder body 2, and improve the load that the cylinder body 2 can bear, so that the structure of the cylinder body 2 is more stable, and the cylinder body 2 is prevented from being deformed or even broken under pressure. In addition, a rib 24 may be provided on the side surface 23 of the cylinder block 2 as well. In practice, the pattern, width, length, position and number of ribs 24 can be adjusted according to the strength of the cylinder 2 and the pressure to which it is subjected.

Preferably, in the embodiment of the present invention, the junction between the front face 21 and the rear face 22 of the cylinder body 2 of the expansion tank 1 and the side face 23 of the cylinder body 2 is provided with a circular arc chamfer 25, and the circular arc chamfer 25 also has a curvature protruding outwards and is in smooth transition with both the front face 21 and the rear face 22. The main body part of the cylinder body 2 is set to be in a form of overlapping arc chamfers 25 on the front surface and the rear surface of the cylinder body 2 in smooth transition, so that the capacity of the cylinder body 2 for resisting internal expansion acting force is stronger, stress is uniformly dispersed on the whole cylinder body 2 instead of being excessively concentrated on a part with sudden change of curvature, and the integral strength of the cylinder body 2 is improved.

As shown in fig. 5, in the embodiment of the present invention, the airbag 5 in the expansion tank 1 is connected with the cylinder body 2 through a flange 8, and the flange 8 includes a flange cover and a flange ring which are connected with each other in a matching manner. The structure of flange 8 connection is firm, can guarantee the leakproofness of gas, liquid in the expansion tank 1, and flange 8 connection structure easy dismounting moreover for convenient and fast is dismantled in the installation between gasbag 5 and the cylinder body 2, and the maintenance of the expansion tank 1 of being convenient for.

As shown in fig. 6, the utility model discloses an among the embodiment, still provide a warm machine group 10 of air conditioning, including air conditioner module 101 and warm module 102, air conditioner module 101 and warm module 102 pass through heat transfer tube coupling with warming, wherein warm up and be provided with the expansion tank 1 that this embodiment figure 1 ~ 4 shows in the module 102. Because the expansion tank 1 is wholly flat, the expansion tank can be more closely matched with a square shell of the floor heating module 102 and the arrangement mode of other water products in the floor heating module 102, the arrangement of parts inside the floor heating module 101 is more regular, the space occupied by the expansion tank 1 in the floor heating module 102 is utilized to the maximum extent, the whole volume of the floor heating module 102 is reduced, and the floor heating module 102 is more miniaturized. And, expansion tank 1 sets up with heat transfer pipeline is adjacent, can prevent that the liquid in expansion tank 1 from freezing with the help of the heat that heat transfer pipeline gived off.

Preferably, in the embodiment of the present invention, the air conditioning module 101 in the air conditioning and floor heating unit 10 is disposed above the floor heating module 102. Meanwhile, the air conditioning module 101 is connected with the floor heating module 102 through a heat exchange pipeline, so that the air conditioning module 101 is matched with the floor heating module 102 more closely, and the whole structure of the air conditioning and floor heating unit 10 is more compact.

The utility model discloses an among the embodiment, expansion tank 1 sets up between the heat transfer pipeline that warms up the roof of module 102 and coil, two sides and roof parallel arrangement around the cylinder body 2. When the expansion tank 1 is arranged in parallel, the front and back surfaces of the cylinder body 2 can be respectively tightly attached to the top plate of the floor heating module 102 and the coiled heat exchange pipeline through the flat structure, the regularity of the arrangement of the devices inside the floor heating module 102 is improved, the overall space utilization rate of the floor heating module 102 is improved, and the miniaturization design of the floor heating module 102 is facilitated.

Referring to fig. 7, in other embodiments of the present invention, the front and rear surfaces, i.e. the front surface 21 and the rear surface 22, of the expansion tank 1 may also be disposed in a manner parallel to the side plates, which may be the front and rear side plates of the floor heating module 102, or the left and right side plates of the floor heating module 102, and are not limited herein.

So far, the technical scheme of the invention has been described with the accompanying drawings. However, it is to be understood by those skilled in the art that the scope of the present invention is not limited to the specific embodiments described above. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall into the protection scope of the present invention.

Claims (11)

1. The expansion tank comprises a tank body, wherein a water inlet and a water outlet and an inflation inlet are formed in the tank body, an air bag is arranged inside the tank body, a water cavity communicated with the water inlet and the water outlet is formed in the inner side of the air bag, and a gas cavity communicated with the inflation inlet is formed between the air bag and the tank body.

2. The expansion tank according to claim 1, wherein said cylinder body has front and rear surfaces opposed to each other and having a larger surface area than the other surface area, said front and rear surfaces being convex in the direction outside said cylinder body.

3. The expansion tank of claim 2, wherein said front and rear faces of said cylinder body are provided with reinforcing ribs.

4. The expansion tank according to claim 3, wherein the joints between the front and rear faces of the cylinder body and the side faces of the cylinder body are provided with rounded chamfers.

5. The expansion tank of claim 1, wherein the cross-sectional aspect ratio of the bladder matches the cylinder.

6. The expansion tank of claim 1, wherein the cross-sectional shape of the bladder is circular or elliptical.

7. The expansion tank of claim 1, wherein the bladder is connected to the cylinder body by a flange, the flange comprising a flange cover and a flange ring matingly connected to each other.

8. The expansion tank of claim 1, wherein the air bag comprises an air bag connection port that is circular or oval.

9. An air-conditioning floor heating unit comprises an air-conditioning module and a floor heating module, wherein the air-conditioning module is connected with the floor heating module through a heat exchange pipeline, and the air-conditioning floor heating unit is characterized in that an expansion tank according to any one of claims 1-8 is arranged in the floor heating module.

10. The air-conditioning floor heating unit of claim 9, wherein the air-conditioning module is disposed above the floor heating module.

11. The air-conditioning floor heating unit of claim 9, wherein the housing of the floor heating module comprises a top plate and a side plate, and the expansion tank is arranged in the floor heating module in a manner that the front surface and the rear surface of the cylinder body are parallel to the top plate or the side plate.

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