CN201688545U

CN201688545U - Water heater

Info

Publication number: CN201688545U
Application number: CN2010201791977U
Authority: CN
Inventors: 黄重景; 黄锦颖; 黄信铭; 黄信雄; 林冠州
Original assignee: Grand Mate Co Ltd
Current assignee: Grand Mate Co Ltd
Priority date: 2010-04-23
Filing date: 2010-04-23
Publication date: 2010-12-29
Anticipated expiration: 2020-04-23

Abstract

The utility model relates to a water heater comprising an outer tube and an inner tube which are arranged coaxially, wherein the top end of the outer tube is higher than that of the inner tube; the inner tube is used for exhausting waste gas; a space formed between the inner tube and the outer tube is an air inlet channel for the air to be injected into the water heater; generally speaking, the inner tube is further connected with an extension tube so that the waste gas is exhausted outdoors; but if the extension tube cannot be integrated with the inner tube, when the water heater is turned on, the waste gas enters the water heater along the air inlet channel and is mixed with gas, then the concentration of carbon dioxide is increased, oxygen is lacked and the water heater cannot be turned on and heat, and this case helps people to be timely aware of danger and timely improve problems.

Description

Water heater

Technical field

The utility model is relevant with water heater, more detailed is meant the water heater relevant with the intake and exhaust structural design.

Background technology

Fig. 1 discloses the novel patent announcement of TaiWan, China number No. 350533 " the inlet and outlet airduct of water heater " structure, and this existing water heater 1 has a body 2, establishes a heat exchanger 3, in the body 2 and forces an air inlet group 4 and a gas deflation assembly 5.This pressure air inlet group 4 comprises a motor 4a and a fan 4b, and cooperates with an air inlet 2a of body 2 end faces and extraneous air can be sucked body 2 inside, in order to mix with gas to carry out the cold water heating; This gas deflation assembly 5 has a blast pipe 5a, and blast pipe 5a one end connects an air draft case 5b, and the other end is communicated with outside, and the waste gas that aforementioned air draft case 5b can produce this heat exchanger 3 causes this blast pipe 5a and gives and discharging outside the body 2.

Really, above-mentioned water heater 1 provides the inlet and outlet flow dividing structure, but, the hiding following disappearance of this structural form, that is:

The port of export A of blast pipe 5a protrudes in outside the air inlet 2a, this relativeness is when the workmen installs water heater 1, fail for some reason to guarantee that with one safe waste gas discharges under the situation that extension (figure does not show) and this blast pipe 5a be assembled, heat exchanger 3 still can normal operation, that is waste gas will be successfully be drawn body 2 outsides, and extraneous air still continues to be inhaled into body 2 inside.This situation is installed on when indoor the personnel that cause easily at water heater 1 and does not examine to cause and suck too much waste gas and poison, or when water heater 1 was installed on outdoor balcony, waste gas filled the space that is distributed in semi-closed state easily, and the anxiety that escapes into indoor and harmful to human is arranged at any time.

The utility model content

In view of this, main purpose of the present utility model is to provide a kind of water heater, has the usefulness of strengthening safety in utilization.

Edge is to reach above-mentioned purpose, and water heater provided by the utility model comprises a body, a gas extraction system and a gas handling system, and wherein, a datum level is established at the body top, and in establish a heat-exchange system; Gas extraction system has the interior pipe of being located at this body top, effectively in this draw outside this body with the waste gas that this heat-exchange system is produced, and interior pipe apical margin to the distance of the datum level of this body is one first height; Gas handling system has the outer tube of being located at this body top, this outer tube coats and should interiorly manage, and form an inlet channel between outer tube and the interior pipe in order to the engine body exterior air is introduced this heat-exchange system, this outer tube apical margin is one second height to the distance of the datum level of this body, and this second height is greater than this first height.

According to above-mentioned design, gas extraction system of the present utility model also has an extension, this extension one end with should in pipe connect and establish, the other end extends and passes this outer tube, so that really waste gas is drawn outside the body.

According to above-mentioned design, this gas handling system of the present utility model has an air blast, and this air blast is located at this internal body and is positioned at this heat-exchange system below, and air blast has an air outlet and communicates with this inlet channel, and this air outlet is in the face of this heat-exchange system.

According to above-mentioned design, the inlet channel of the utility model gas handling system comprises an introduction segment, a Drainage Section and an injection section, this introduction segment is formed between this outer tube and the interior pipe, continue this Drainage Section and communicate of continue this introduction segment and be positioned at this body back of this Drainage Section, this injection section with an air blast.

According to above-mentioned design, this body of the utility model has a top board, and this top board constitutes this datum level, and body has one first room and one second room in addition, this heat-exchange system of installing and this air blast in this first room, this second room constitutes the inlet channel of this gas handling system.

The beneficial effects of the utility model: the utility model provides many safety together to inspect effect, can guarantee that indoor occupant can not install really and cause sucking the facts that too much waste gas poisons and take place because of discovering water heater.

Description of drawings

Fig. 1 is the schematic diagram of existing water heater.

Fig. 2 is the side view of the utility model one preferred embodiment.

Fig. 3 is the front view of the above-mentioned preferred embodiment of the utility model.

[main element symbol description]

100 water heaters

10 bodies

12 shell 12a top board 12b openings

14 first rooms, 16 second rooms, 18 heat-exchange systems

20 gas extraction system

The pipe 24 extension 24a ports of export in 22

30 gas handling systems

32 outer tubes, 34 inlet channel 34a introduction segments

34b Drainage Section 34c injects section 36 air blasts

36a air intake vent 36b air outlet

H1 first height

H2 second height

The specific embodiment

For being illustrated more clearly in the utility model, lift preferred embodiment now and cooperate diagram to describe in detail as after.

Please cooperate Fig. 2, shown in Figure 3, the water heater 100 of the utility model one preferred embodiment comprises a body 10, a gas extraction system 20 and a gas handling system 30, wherein:

Body 10 has a shell 12, the top board 12a that constitutes shell 12 end faces then is defined as a datum level, and top board 12a has an opening 12b, shell 12 inside have been separated one first room 14 and one second room 16, wherein heat-exchange systems 18 are installed in first room, 14 inside, because of heat-exchange system 18 belongs to existing skill, hold and do not give unnecessary details.

Gas extraction system 20 has an interior pipe 22 that is arranged in these body 10 tops and communicates with this first room 14, should interiorly manage the opening 12b that 22 tops pass this top board 12a, and the apical margin of interior pipe 22 to the distance of this top board 12a (being datum level) is one first height h1, and the waste gas that pipe 22 can produce this heat-exchange system 18 in this is drawn this shell 12; In addition, outdoor for guaranteeing that waste gas can be disposed to really, avoid personnel not examine and suck the too much waste gas situation that causes poisoning and take place, this gas extraction system 20 also is assembled with an extension 24, this extension 24 with should in pipe 22 connect and establish, and it has the body portion of suitable length and makes a port of export 24a get the position outdoor.

Gas handling system 30 has an outer tube 32, an inlet channel 34 and an air blast 36.Wherein, outer tube 32 is incorporated into this top board 12a and upward is covered with this opening 12b, and the caliber of outer tube 32 is coating greater than pipe 22 calibers in this should interiorly manage 22, in addition, outer tube 32 apical margins to the distance of this top board 12a (being datum level) is one second height h2, this second height h2 is greater than the first height h1 of the interior pipe 22 of above-mentioned gas extraction system 20, and it causes outer tube 32 apical margins to be higher than interior pipe 22 apical margins, as shown in Figure 2; 34 of this inlet channels are that second room 16 by body 10 is constituted, it has an introduction segment 34a, a Drainage Section 34b and one and injects section 34c, wherein introduction segment 34a is formed between this outer tube 32 and the interior pipe 22, continue this introduction segment 34a and be positioned at this body 10 backs of Drainage Section 34b, injecting a section 34c then is this Drainage Section 34b that continues; And this air blast 36 is installed in first room 14 of this body 10 and be positioned at this heat-exchange system 18 belows, and air blast 36 has an air intake vent 36a and communicates with the injection section 34c of this inlet channel 34, and an air outlet 36b is in the face of this heat-exchange system 18.Via the collocation of aforementioned structure,, body 10 extraneous airs can be caused this heat-exchange system 18 so that mix to carry out the cold water heating with gas in starting air blast 36.

Water heater 100 structures of the above-mentioned preferred embodiment of the utility model belong to together inlet and outlet shunting person are provided, and it can obtain the reason of safe handling in the back narration:

When installing water heater 100, the workmen fails for some reason this is guaranteed that waste gas is disposed to outdoor extension 24 really and is assembled under the situation of pipe 22 in this, if this heat-exchange system 18 continues running, then the waste gas of its generation is when pipe 22 is discharged in this, to be lower than this outer tube 32 apical margins because of interior pipe 22 apical margins, make waste gas mix with extraneous air again, and be all that the powerful suction of these air blast 36 manufacturings draws and introduction segment 34a from forming between this outer tube 32 and the interior pipe 22, follow Drainage Section 34b and inject section 34c and enter heat-exchange system 18 from the air outlet 36b of air blast 36 again and mix with gas, this situation will cause gas concentration lwevel to increase, and soon cause flame-out because of anoxia phenomenon, igniting also can't be lighted repeatedly, so, people can nose into flame-out reason, and in time find the situation that this extension 24 does not combine with interior pipe 22, so be able to indoor fill cloth waste gas before discover water heater 100 and install and improve really and in time.

The relativeness of pipe 22 apical margins in the utility model outer tube 32 apical margins are higher than, honesty is fool proof design, it is in the process that water heater 100 is installed, provide many safety together to inspect effect, can guarantee that indoor occupant can not install really and cause sucking the facts that too much waste gas poisons and take place because of discovering water heater 100.

The above only is the preferable possible embodiments of the utility model, uses the equivalent structure variation that the utility model specification and claim scope are done such as, ought to be included in the claim of the present utility model.

Claims

1. a water heater is characterized in that, comprises:

One body, top are established a datum level, and in establish a heat-exchange system;

One gas extraction system has the interior pipe of being located at this body top, effectively in this draw outside this body with the waste gas that this heat-exchange system is produced, and interior pipe apical margin to the distance of the datum level of this body is one first height;

One gas handling system, has the outer tube of being located at this body top, this outer tube coats and should interiorly manage, and form an inlet channel between outer tube and the interior pipe in order to the engine body exterior air is introduced this heat-exchange system, this outer tube apical margin is one second height to the distance of the datum level of this body, and this second height is greater than this first height.

2. water heater as claimed in claim 1 is characterized in that this gas extraction system has an extension, and this extension one end connects with this interior pipe and establishes, and other end extension passes this outer tube.

3. water heater as claimed in claim 1, it is characterized in that this gas handling system has an air blast, this air blast is located at this internal body and is positioned at this heat-exchange system below, air blast has an air outlet and communicates with this inlet channel, and this air outlet is in the face of this heat-exchange system.

4. water heater as claimed in claim 3, it is characterized in that, the inlet channel of this gas handling system comprises an introduction segment, a Drainage Section and an injection section, this introduction segment is formed between this outer tube and the interior pipe, continue this Drainage Section and communicate of continue this introduction segment and be positioned at this body back of this Drainage Section, this injection section with this air blast.

5. water heater as claimed in claim 4, it is characterized in that, this body has a top board, this top board constitutes this datum level, body has one first room and one second room in addition, this heat-exchange system of installing and this air blast in this first room, this second room constitutes the inlet channel of this gas handling system.