WO2011140881A1

WO2011140881A1 - Diffluent trough for feeding material to water heater, water heater and feeding method thereof

Info

Publication number: WO2011140881A1
Application number: PCT/CN2011/072855
Authority: WO
Inventors: 郑涛; 孙强; 蔡想周
Original assignee: 海尔集团公司; 青岛经济技术开发区海尔热水器有限公司
Priority date: 2010-05-13
Filing date: 2011-04-15
Publication date: 2011-11-17
Also published as: CN102241102A

Abstract

Disclosed are a diffluent trough (4) for feeding material to a water heater, a water heater and a feeding method thereof. The diffluent trough (4) for feeding material to the water heater includes a material inlet (41) and at least two material outlets (42) and is used for dividing the flow of foam material within the interlayer (3) of the water heater. The water heater includes the interlayer (3) formed between an outer casing (1) and an inner tank (2), and further includes at least one diffluent trough (4) for injecting and dividing foam material to the interlayer (3). Foam material is discharged through at least two material outlets (42) and is filled uniformly within the interlayer (3).

Description

The utility model relates to a shunt tank for water heater injection, a water heater and a method for filling the same. The application is required to be submitted to the Chinese Patent Office on May 13, 2010, and the application number is 201010171349.3. The invention name is "water diversion trough for water heater injection, water heater and its filling method" The priority of the Chinese Patent Application, the entire contents of which is incorporated herein by reference.

Technical field

The invention relates to the field of water heaters, in particular to a water distribution tank for water heater injection, a water heater and a method for injecting the same. Background technique

At present, as shown in Fig. 1, the foaming process of the water heater (including the electric water heater and the solar water heater) is through a filling hole reserved in the electric appliance chamber for the interlayer 3 between the inner tank 2 and the outer casing 1 of the water heater. (Insulation layer thickness) Injection, that is, single-point injection, due to the limitation of the foaming equipment itself, there is generally only one shot head, and the arrows in the figure show the process and direction of the shot.

Since the thickness of the water heater interlayer 3 is usually between 15 mm and 40 mm, the foaming process is limited by the fluidity of the foaming material and the water pipes, hangers, etc. on the inner tank 2, and is likely to occur near the injection point. The position foaming material is relatively large, the foaming density is large, and the foaming material is not full, the local cavity and the like are far away from the position of the injection point, and the foaming material is unevenly hooked, and it is easy to be transported during the water heater transportation. Damage to the outer casing, even more serious, even poor insulation performance, wasting energy.

The prior art provides a method for injecting a water heater, that is, a production method in which a front end cover is used and a right end cover is installed. However, due to the limitation of the foaming time of the foaming material, it is required that the speed of the end cap is relatively fast to ensure that the foaming material does not overflow, and this scheme also uses a little bit of injection, resulting in uneven injection of the material, which needs to be further manually The water heater with foaming material is tilted and swayed, so that the foaming material is evenly distributed between the inner casing and the outer casing. However, the effect of this method is not satisfactory, and the production time is wasted, which affects the production efficiency.

Summary of the invention

The technical problem to be solved by the invention is to provide a water distribution tank for water heater injection, water heater And its filling method to achieve uniformity of foaming.

In order to solve the above technical problem, the following technical solutions are used in the embodiment of the present invention:

A water heater injection method includes:

Injecting the foaming material into the interlayer formed by the outer casing and the inner tank of the water heater;

The foamed material is discharged through at least two discharge ports to uniformly fill the foamed material in the interlayer.

The utility model relates to a diversion tank for water heater injection, which comprises an inlet port and at least two discharge ports for splitting the foaming material in the water heater interlayer.

Also included is a splitter projection disposed at the intersection of the at least two discharge ports.

The discharge ports are three, including: a central discharge port, a first branch outlet port and a second branch outlet port.

A water heater comprising an interlayer formed by a casing and a liner, further comprising: at least one diversion tank for injecting and diverting the foaming material into the interlayer, the diversion tank comprising: an inlet port and at least two outlets Feed port.

The splitter tank further includes a splitter projection disposed at the intersection of the at least two discharge ports.

The utility model further includes: an electrical room for isolating the electric device and the foaming material in the water heater, the electric room is placed in the interlayer, and is fastened on one end side of the inner tank, and the diverting trough is placed in the electric room On the side contacting the foaming material, the electric chamber is provided with a filling port, and the inlet of the dividing tank is in contact with the injection port of the electric chamber.

The utility model further includes: an electrical room for isolating the electric device and the foaming material in the water heater, the electric room is placed in the interlayer, and is fastened on one end side of the inner tank, and the diverting trough is placed in the electric room A injection port is disposed on a side of the electric chamber corresponding to the outlet of the diversion tank, and the injection port is connected to the discharge port of the diversion tank.

The shunt groove is integrally provided with the electric chamber.

The shunt groove and the electric chamber are fixed by screws, snaps or fusion welding.

In the embodiment of the present invention, the structure of the splitting trough is utilized to feed the water heater, so that the foaming material is made larger Equal to the two discharge ports evenly filled into the interlayer of the water heater liner and the outer casing, so as to realize a little injection into a multi-point injection, thereby improving the uniformity of foaming, avoiding the occurrence of cavities and partial foaming materials. Excessive problems, and reduce the problem of inner liner caused by the foaming material on one side in the production process, and further improve the heat preservation performance of the water heater itself. DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only the present invention. For some embodiments, other drawings may be obtained from those of ordinary skill in the art without departing from the drawings.

1 is a schematic structural view of a prior art water heater;

2 is a flow chart of a method for feeding a water heater according to an embodiment of the present invention;

3 is a schematic structural view of a splitter slot according to an embodiment of the present invention;

Figure 4 is a plan view of Figure 3;

FIG. 5 is a schematic structural view of a six-point discharge by using two splitter tanks according to an embodiment of the present invention; FIG. 6 is a schematic structural view of a two-point discharge by using two splitter tanks according to an embodiment of the present invention; 7 is a schematic structural view of a water heater according to an embodiment of the present invention;

8 is a schematic structural view of a third electric chamber and a splitter groove according to an embodiment of the present invention;

Figure 9 is a longitudinal sectional view of Figure 8;

Figure 10 is a bottom view of Figure 8;

Figure 11 is a plan view of Figure 8.

Description of the reference signs:

a casing; 2—inner; 3—sandwich;

a splitter; 41 a feed port; 42 - a discharge port;

21—the center discharge port 422—the first branch outlet port; 423—the second branch outlet port—the electrical chamber; 51—the injection port. detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without making creative labor are within the scope of the present invention.

Embodiments of the present invention provide a shunting tank for water heater injection, a water heater, and a method for injecting the same, which achieve uniformity of foaming.

Embodiment 1

The embodiment of the present invention further provides a water heater injection method. As shown in FIG. 2, the method includes: Step S1, injecting a foaming material into a sandwich formed by a casing and a liner of a water heater;

The structure of the splitter tank described in the first embodiment or the second embodiment is used for injection.

Step S2: discharging the foaming material through at least two discharge ports, so that the foaming material is hook-filled in the interlayer.

In the embodiment of the present invention, the structure of the diversion tank is used to fill the water heater, so that the foaming material is evenly filled into the interlayer of the water heater liner and the outer casing by two or more discharge ports, thereby realizing a point injection into a material. Multi-point injection, thereby improving the uniformity of foaming, avoiding the problem of excessive cavities and partial foaming materials, and reducing the problem of inner liner caused by foaming materials on one side during the production process, and further Improve the insulation performance of the water heater itself.

Embodiment 2

The embodiment of the present invention provides a water distribution tank for water heater injection, as shown in FIG. 3 and FIG. 4, the distribution tank 4 includes a feed port 41 and at least two discharge ports 42 for foaming materials in the water heater interlayer. Diversion.

When the water heater is injected, a splitting tank 4 may be connected at the injection gun nozzle so that the foamed material coming out from one muzzle passes through the inlet port 41 of the splitting tank 4, and is separated from the at least two discharge ports 42. The material is discharged in different directions, so that the foaming material is evenly filled into the interlayer of the water heater liner and the outer casing, and at least two discharge ports 42 have a shunting effect, which can make the foaming material more evenly packed, effectively avoiding emptying. There are too many problems with the cavity and the local foaming material. Further, as shown in FIG. 3, in order to enable the foaming material entering the inlet port 41 to be relatively evenly distributed to the respective discharge ports 42, the distribution channel 4 further includes at least two discharge ports 42 converging. A shunt 43 at the location.

Further, as shown in FIG. 3 and FIG. 4, preferably, the discharge port 42 of the diverting tank 4 is three, and the three discharge ports 42 are respectively: a central discharge port 421 and a first branch outlet port. 422 and the second split vent 423. The shunting groove 4 of such a structure can make the foaming material be filled into the interlayer by the central discharge port 421, the first branch outlet port 422 and the second branching outlet port 423, respectively, as indicated by the arrows in the figure. The discharge direction of the three discharge ports.

It should be noted that the shunt tank 4 can be matched with the structure of the water tank inner casing and the outer casing, and is designed as an overall curved structure as shown in FIG. 3, or can be designed as a discharge port having a plurality of discharges in different directions. The embodiments of the present invention are merely examples and are not intended to be limiting. As long as uniform discharge can be achieved, it is within the protection scope of the present invention to fill the foam with the interlayer.

In addition, in order to simplify the production process, it is also possible to produce only one type of splitter tank, and to use two or more splitter tanks in combination to realize discharge of a plurality of discharge ports. For example, as shown in Fig. 5, two diverting grooves 4 having three discharge ports are symmetrically distributed in the interlayer to realize simultaneous discharge of six discharge ports; as shown in Fig. 6, the same is used for two. The splitter tank 4 has three discharge ports, except that the central discharge ports of the two splitter tanks 4 are superposed to form a discharge port, and five discharge ports are simultaneously discharged.

When the diversion tank provided by the embodiment is used to assist the injection, the diversion tank can be fixed in the interlayer, and the diversion tank can be retained in the interlayer after the injection is completed, or the end of the water heater can be sealed after the diversion tank is removed. The embodiment is not limited as long as it operates according to specific needs.

Embodiment 3 The embodiment of the present invention further provides a water heater, as shown in FIG. 7, comprising an interlayer 3 formed by the outer casing 1 and the inner liner 2, further comprising: at least one shunt for injecting and diverting the foamed material into the interlayer 3 The tank 4, the splitter tank 4 comprises: a feed inlet and at least two discharge ports.

When injecting into the interlayer 3 of the water heater, a splitting tank 4 is connected at the injection gun nozzle, so that the foamed material coming out from one muzzle passes through the inlet of the splitting tank 4, and is discharged from at least two outlets. The material is discharged in different directions, so that the foaming material is evenly filled into the interlayer 3 of the water heater liner 2 and the outer casing 1, and at least two discharge openings have a shunting effect, which can make the foaming material more uniform and effectively avoid There is a problem that the cavity and the local foaming material are excessive.

Further, in order to allow the foaming material entering the inlet port to be branched into the respective discharge ports in a relatively uniform manner, the distribution channel 4 further comprises a branching projection disposed at the intersection of the at least two discharge ports.

Further, since the electric room 5 is provided in the water heater for isolating the electric device and the foaming material of the water heater, the electric chamber 5 is placed in the interlayer 3 and is fastened to the inner casing 2 On the end side, as shown in FIG. 8, FIG. 9, FIG. 10 and FIG. 11, the shunting groove 4 is placed on the side of the electric chamber 5 that contacts the foaming material, and the electric chamber 5 is provided with a filling material. The port 51, the inlet of the splitter tank 4 is in contact with the injection port 51 of the electric chamber.

Further, the branching trough may further be disposed on a side of the electric chamber adjacent to the electric device, and a filling port is disposed on the electric chamber corresponding to the discharge port of the diverting trough, the filling port and the The discharge ports of the split flow tank are connected. Since the discharge ports of the splitter are at least two, accordingly, the same number of injection ports as the discharge ports of the splitter are required to be provided on the electric chamber to facilitate the split injection.

Further, the above-mentioned splitter tank may be integrally provided with the electric chamber, or the splitter tank and the electric chamber are independent devices, and the two are fixed by screws, snaps or fusion welding.

In the embodiment of the present invention, the structure of the diversion tank is used to fill the water heater, so that the foaming material is evenly filled into the interlayer of the water heater liner and the outer casing by two or more discharge ports, thereby realizing a point injection into a material. Multi-point injection, thereby improving the uniformity of foaming, avoiding the problem of excessive cavity and partial foaming material, and reducing the problem of inner liner caused by foaming material on one side in the production process. And further improve the insulation performance of the water heater itself.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented by means of software plus necessary general hardware, and of course, by hardware, but in many cases, the former is a better implementation. . Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a readable storage medium, such as a floppy disk of a computer. A hard disk or optical disk or the like includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

Claims

Claim

A water heater injection method, characterized in that it comprises:

2. A water distribution tank for water heater injection, characterized in that it comprises a feed inlet and at least two discharge openings for splitting the foaming material in the water heater interlayer.

3. The splitter according to claim 2, further comprising a split projection disposed at the intersection of said at least two discharge ports.

The splitter tank according to claim 3, wherein the discharge ports are three, comprising: a central discharge port, a first branch outlet port, and a second branch outlet port.

5. A water heater comprising an interlayer formed by a casing and a casing, further comprising: at least one diversion tank for injecting and diverting the foaming material into the interlayer, the diversion tank comprising: Mouth and at least two outlets.

6. The water heater according to claim 5, wherein the flow dividing groove further comprises a split protrusion disposed at the intersection of the at least two discharge ports.

7. The water heater according to claim 6, further comprising: an electric chamber that isolates the electric device and the foaming material in the water heater, the electric chamber is placed in the interlayer, and is buckled in the One end side of the inner tank, the diverting trough is disposed on a side of the electric chamber contacting the foaming material, the electric chamber is provided with a filling port, the inlet of the diverting trough and the electric chamber The injection ports are connected.

8. The water heater according to claim 6, further comprising: an electric chamber that isolates the electric device and the foaming material in the water heater, the electric chamber is placed in the interlayer, and is buckled in the One end side of the inner tank, the diverting trough is disposed on a side of the electric chamber adjacent to the electric device, and a filling port is disposed on the electric chamber corresponding to the discharge port of the diverting trough, the injection port It is connected to the discharge port of the splitter.

The water heater according to claim 7 or 8, wherein the shunting tank and the electric power The air chamber is integrated.

The water heater according to claim 7 or 8, wherein the diverter tank is fixed to the electric chamber by screws, snaps or fusion welding.