CN207335139U - Gas heater - Google Patents
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- CN207335139U CN207335139U CN201721432159.6U CN201721432159U CN207335139U CN 207335139 U CN207335139 U CN 207335139U CN 201721432159 U CN201721432159 U CN 201721432159U CN 207335139 U CN207335139 U CN 207335139U
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Abstract
The utility model discloses a kind of gas heater, including：Shell and safety device, gas path control valve and burner in shell, wherein, the safety device includes：Gas detection module, air-flow adjustment module and control module, the air-flow adjustment module correspond to the gas detection module and set to shorten the time that the object gas flow to the gas detection module；The control module is electrically connected with the gas path control valve, and when gas concentration is greater than or equal to predetermined threshold value, the control module controls the gas path control valve to disconnect supply air line；When the supply air line is off, and gas concentration is less than predetermined threshold value, the control module controls the gas path control valve to connect supply air line.The utility model gas heater can be detected and handled to gas leakage situation in time, rapidly by safety device.
Description
Technical field
Household appliance technical field is the utility model is related to, more particularly to a kind of gas heater.
Background technology
Gas heater is also known as gas water-heating furnace, it refers to using combustion gas as fuel, by combustion heating mode, by heat
It is delivered in the cold water for flowing through heat exchanger, to reach a kind of gas appliance for preparing hot water purpose.The main component of combustion gas is
Hydrogen, methane and carbon monoxide, hydrogen, methane and carbon monoxide are inflammable gas, and gas leakage to concentration reaches certain value
When, easily explode；And carbon monoxide can be combined with hemoglobin in human body, cause oxygen carrying capacity to be deteriorated, even result in dead
Die, therefore detection of the gas heater to gas leakage is most important.
Existing gas heater is mostly using the detection method of diffusion type sampling, such as the gas in detected region is delayed
Sensor is slowly diffused to realize sensor to leaking the detection of combustion gas, this mode is slow to the detection speed that leaks combustion gas,
Detection time is grown, and the installation site of sensor is different, and testing result has a long way to go, therefore can not timely and accurately react combustion gas
The truth of leakage.
Utility model content
The main purpose of the utility model is to propose a kind of gas heater, it is intended to rapidly and accurately to the leakage feelings of combustion gas
Condition is detected and handles.
To achieve the above object, the utility model proposes gas heater, including：Shell；In the shell
Burner；Gas path control valve on the supply air line of the burner；And the security protection dress in the shell
Put, the safety device includes：Gas detection module, to detect the gas concentration of object gas, and by the gas
Concentration is converted to corresponding electric signal；Air-flow adjustment module, the corresponding gas detection module are set, the air-flow adjustment module
To shorten the time that the object gas flow to the gas detection module；And control module, with the gas path control valve
It is electrically connected, the control module is receiving the electric signal and judge the gas concentration size；When the gas concentration is big
When predetermined threshold value, the control module controls the gas path control valve to disconnect supply air line；And when the supply
Pipeline is off, and when the gas concentration is less than predetermined threshold value, the control module controls the gas path control valve
Connect supply air line.
Preferably, the safety device includes housing, is equipped with the housing formed with air collecting chamber, the housing
Connect air inlet and the gas outlet that the air collecting chamber is set；The air-flow adjustment module is connected with the air collecting chamber；The gas
Body detection module is arranged in the air collecting chamber.
Preferably, the air-flow adjustment module is arranged in the air collecting chamber, the air inlet of the air-flow adjustment module and institute
State air inlet to be connected, air outlet and the gas detection module of the air-flow adjustment module are set in distance.
Preferably, the safety device further includes the alarm modules being electrically connected with the control module, when the gas
When bulk concentration signal is greater than or equal to gas concentration threshold, the control module controls the alarm modules to send alarm sounds.
Preferably, the safety device further includes the reseting module being electrically connected with the control module, the reset
Module is to receive reset instruction, and when the reseting module receives reset instruction, the control module closes the alarm
Module.
Preferably, the safety device further includes the communication module being electrically connected with the control module, the communication
Module and intelligent terminal wireless connection, when the gas concentration signal is greater than or equal to gas concentration threshold, the control mould
Block controls the communication module to send alarm signal to the intelligent terminal.
Preferably, the safety device further include be connected between the control module and the communication module from
Examine module, the selftest module to when detecting that the safety device can not be worked normally by the communication module
Standby signal is sent to intelligent terminal.
Preferably, the gas detection module is to detect the gas concentration of plurality of target gas, and by various target gas
The gas concentration of body is converted to corresponding electric signal；The control module is also receiving the electric signal and judge every kind of target
The gas concentration size of gas, and controlled when the gas concentration of any object gas is greater than or equal to predetermined threshold value
The gas path control valve disconnects the supply air line；And be off in the supply air line, and all object gas
Gas concentration when being below predetermined threshold value, control the gas path control valve to connect the supply air line.
Preferably, the gas detection module include carbon monoxide transducer, alkanes sensor, air quality sensor,
At least one of smoke sensor device and temperature sensor sensor.
Preferably, the gas heater further includes ventilating fan, and the ventilating fan has first row airspeed and second row
Airspeed, the first row airspeed are more than or equal to the second row airspeed；Preset when the gas concentration is greater than or equal to
During threshold value, the ventilating fan is started with the first row airspeed；When the gas concentration is less than predetermined threshold value, the air draft
Fan is started with the second row airspeed.
The safety device of the utility model gas heater is equipped with air-flow adjustment module, which can
Accelerate the flowing velocity of gas, therefore, when gas leakage occurring inside or outside gas heater, the combustion gas of leakage is in air-flow
Gas detection module can be rapidly flowed under the action of adjustment module, and then shortens combustion gas and flow to gas detection module
Time so that safety device can be detected and handle to gas leakage situation in time, rapidly.Further, since gas
Stream adjustment module can accelerate the flowing velocity of gas, therefore, even if the utility model proposes safety device be installed on
Different positions, can also ensure to detect that the time of object gas is essentially identical, and therefore, the utility model proposes combustion gas heat
No matter the safety device of hydrophone, which is installed on any position, can react the truth of gas leakage exactly.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of the utility model gas heater；
Fig. 2 is the structure diagram of safety device in Fig. 1；
Fig. 3 is the structure diagram of one embodiment of the utility model safety device；
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of gas heater equipped with safety device, which can send out
Supply air line is closed in time during raw gas leakage, so as to eliminate the danger of gas leakage.
In one embodiment of the utility model, as depicted in figs. 1 and 2, which includes：Safety device
10th, gas path control valve 20, burner 30 and shell 40.Specifically, which is arranged in the shell 40, the gas circuit control
Valve 20 processed is arranged on the supply air line of the burner 30, which is arranged in the shell 40, this is anti-safely
Protection unit 10 includes gas detection module 100, air-flow adjustment module 200 and control module 300, wherein, gas detection module 100
To detect the gas concentration of object gas, and the gas concentration is converted into corresponding electric signal；Air-flow adjustment module 200
To shorten the time that the object gas flow to the gas detection module 100；Control module 300 and the gas path control valve
20 are electrically connected, and the control module 300 is receiving the electric signal and judge the gas concentration size；When the gas is dense
When degree is greater than or equal to predetermined threshold value, the control module 300 controls the gas path control valve 20 to disconnect supply air line；And
When the supply air line is off, and the gas concentration is less than predetermined threshold value, the control module 300 controls institute
State gas path control valve 20 and connect supply air line.
Since safety device 10 is arranged in the shell 40 of gas heater by the utility model, this practicality
New safety device 10 is able to detect that the gas leakage that gas heater itself occurs；Further, since gas and hot water
The inside and outside ventilating opening of connection shell 40 is offered on the shell 40 of device, therefore when the external environment condition of gas heater occurs
During gas leakage, safety device 10 can also detect.The design not limited to this of right this patent, in other embodiment, peace
Full protection device 10 can also be arranged on the shell 40 of gas heater or arranged on the outside of gas heater.
What is more important, gas is equipped with since the safety device 10 of the utility model corresponds to gas detection module 100
Adjustment module 200 is flowed, which can be but be not limited to aspiration pump etc. and can accelerate the dress of gas flow rates
Put, since air-flow adjustment module 200 can shorten the time that object gas flow to the gas detection module 100, work as combustion
During gas leakage, due to the effect of air-flow adjustment module 200, combustion gas (containing the object gas such as methane, carbon monoxide) energy of leakage
It is enough quickly to flow to gas detection module 100, therefore, during the response of the safety device 10 of the utility model gas heater
Between it is short, gas leakage situation can be detected and be handled in time, rapidly, when combustion gas leaks, the gas in environment
When concentration is greater than or equal to predetermined threshold value, control module 300 controls gas path control valve 20 to disconnect supply air line in time, avoids pair
The life security of user threatens；When combustion gas no longer leaks, and the gas concentration in environment is less than predetermined threshold value, control module
300 control gas path control valves 20 connect supply air line in time, recover the normal use of gas heater.
Further, since the utility model proposes gas heater set air-flow adjustment module 200 can accelerate gas
Flowing velocity, therefore, even if the utility model proposes safety device 10 installed in different positions, can also ensure
Detect that the time of object gas is essentially identical, therefore, the utility model proposes detection of the gas heater to gas leakage
As a result there is generality, because 10 installation site of safety device is different testing result will not be caused to have a long way to go.
As a kind of preferred embodiment, which can be anti-electric valve, in this way, safety device 10 is having
On the basis of the function of quick detection gas leakage, creepage protection function is also equipped with so that the combustion gas heat of the utility model
The safety coefficient higher of hydrophone.
Fig. 2 is refer to, in order to improve the accuracy of the utility model gas heater detection object gas, gas detection mould
Block 100 is arranged in the air collecting chamber of safety device 10.Specifically, in the present embodiment, safety device 10 includes housing
800, housing 800 is equipped with air inlet and the gas outlet for connecting that the air collecting chamber is set, and housing 800 is interior formed with air collecting chamber；Gas
Stream adjustment module 200 is connected with the air collecting chamber, and then the gas outside housing 800 is pumped to air collecting chamber；Gas is examined
Module 100 is surveyed to be arranged in the air collecting chamber, since the gas flow rate at 200 air outlet of air-flow adjustment module is very fast, and high velocity stream
Dynamic gas can reduce accuracy when gas detection module 100 detects object gas, and therefore, the utility model is provided with the collection
Air cavity pumps the gas come to collect air-flow adjustment module 200, and after the collection of air collecting chamber and cushioning effect, flow velocity has gas
Reduced, gas detection module 100 is again detected object gas at this time, can greatly improve the accuracy of testing result.
In order to enable the structure of safety device 10 is simple, it is easily installed gas detection module 100 and air-flow adjusts mould
Block 200, the air-flow adjustment module 200 are arranged in the air collecting chamber.Due to air-flow adjustment module 200 and gas detection module
100 are arranged in air collecting chamber, in this way, can complete air-flow adjustment module 200 in the lump while installation gas detection module 100
Installation.Specifically, the air inlet 210 of air-flow adjustment module 200 is connected with the air inlet on housing 800, air-flow adjustment module
200 air outlet 220 is set in distance with the gas detection module 100.Due to the air outlet 220 of air-flow adjustment module 200
It is set in distance with the gas detection module 100, therefore the gas flowed out from air-flow adjustment module 200 flow to gas detection
Flow velocity during module 100 is moderate, does not interfere with the accuracy of 100 testing result of gas detection module.
The design not limited to this of right this patent, in other embodiment, air-flow adjustment module 200 can also be arranged on housing
800 outside, correspondingly, the air outlet of air-flow adjustment module 200 are connected with the air inlet on housing 800.
Fig. 3 is refer to, in order to enable safety device 10 can send report when gas leakage occurs for gas heater
Alert prompting, safety device 10 described in one embodiment of the utility model further include what is be electrically connected with the control module 300
Alarm modules 400, when the gas concentration signal is greater than or equal to gas concentration threshold, the control module 300 controls institute
State alarm modules 400 and send alarm sounds, specifically, the alarm modules 400 in the present embodiment include buzzer and warning light, such as
This, can provide audible alarm prompting and illumination alarm sounds at the same time.
Know in view of user after alarm sounds and be not required alarm modules 400 to be continuously sent out over alarm sounds, therefore, this
The safety device 10 of one embodiment of utility model further includes reseting module 700, the reseting module 700 and the control mould
Block 300 is electrically connected, and the reseting module 700 is to receive reset instruction, when the reseting module 700 receives reset instruction
When, the control module 300 closes the alarm modules 400 so that avoid alarm modules 400 constantly alarm sounds to user
Impact.
Continue referring to Fig. 3, it is contemplated that the transmission range of audible and visible alarm prompting is limited, in order to enable alarm sounds are in user
Stay out etc. and to remain able to pass to user in special circumstances, the safety device 10 of the utility model above-described embodiment also wraps
The communication module 500 being electrically connected with the control module 300, the communication module 500 and intelligent terminal wireless connection are included, works as institute
When stating gas concentration signal and being greater than or equal to gas concentration threshold, the control module 300 controls the communication module 500 to institute
State intelligent terminal and send alarm signal.In this way, even if at home nobody when gas heater there is gas leakage, user also can
Know in time and carry out correspondingly safety precaution.
In view of during the long-term use of gas heater, safety device 10 is likely to occur failure and can not be just
Often use, in order to avoid the security risk that the above situation is brought, the safety device 10, which further includes, is connected to the control
Selftest module 600 between module 300 and the communication module 500, the selftest module 600 is detecting the safety
Standby signal is sent to intelligent terminal by the communication module 500 when protective device 10 can not work normally.In this way, user's energy
Enough fault messages for knowing safety device 10 in time, so as to replace safety device 10 in time, avoid because of security protection
Device 10 breaks down and brings security risk.
It is the mixture of many combustible gases in view of combustion gas, mainly including methane, carbon monoxide etc..Therefore, this practicality
New gas detection module 100 can detect the gas concentration of plurality of target gas, and the gas of various object gas is dense
Degree is converted to corresponding electric signal；The control module 300 is also receiving the electric signal and judge every kind of object gas
Gas concentration size, and control the gas when the gas concentration of any object gas is greater than or equal to predetermined threshold value
Road control valve 20 disconnects the supply air line；And be off in the supply air line, and the gas of all object gas
When bulk concentration is below predetermined threshold value, the gas path control valve 20 is controlled to connect the supply air line.
Specifically, the gas detection module 100 include carbon monoxide transducer, alkanes sensor, air quality sensor,
At least one of smoke sensor device and temperature sensor sensor.
Ventilation is needed when gas leakage occurs in view of gas heater, to reduce containing for pernicious gas in air
Amount, in one embodiment of the utility model, the gas heater includes ventilating fan, the ventilating fan have first row airspeed with
Second row airspeed, the first row airspeed are more than or equal to the second row airspeed；When the gas concentration is more than or waits
When predetermined threshold value, the ventilating fan is started with the first row airspeed；When the gas concentration is less than predetermined threshold value, institute
Ventilating fan is stated with the second row airspeed to start.In this way, when gas leakage, ventilating fan can be transported with the air draft speed of higher
OK, the content of pernicious gas in air is rapidly reduced.
In order to improve the efficiency of combustion of this fuel gas, the utility model proposes gas heater further include negative-pressure air fan
50, the bottom of the burner 30 has mixed air cavity, and the air entry of the negative-pressure air fan 50 and the gas outlet of the air inlet pipe are equal
It is connected with the mixed air cavity, since negative-pressure air fan 50 can pump air and fuel gas to mixed air cavity at the same time, and make can
Combustion gas body and air are sufficiently mixed, so as to improve the efficiency of combustion of fuel gas.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
Change, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of gas heater, including shell, burner and gas path control valve；It is characterized in that, the gas heater is also
Including the safety device in the shell, the safety device includes：
Gas detection module, to detect the gas concentration of object gas, and is converted to corresponding telecommunications by the gas concentration
Number；
Air-flow adjustment module, the corresponding gas detection module are set, and the air-flow adjustment module is shortening the target gas
Body flow to the time of the gas detection module；And
Control module, is electrically connected with the gas path control valve, the control module to receive the electric signal and judge described in
Gas concentration size；When the gas concentration is greater than or equal to predetermined threshold value, the control module controls the gas circuit control
Valve disconnects supply air line；And when the supply air line is off, and the gas concentration is less than predetermined threshold value,
The control module controls the gas path control valve to connect supply air line.
2. gas heater as claimed in claim 1, it is characterised in that the safety device includes housing, the shell
In vivo formed with air collecting chamber, the housing is equipped with air inlet and the gas outlet for connecting that the air collecting chamber is set；The air-flow tune
Section module is connected with the air collecting chamber；The gas detection module is arranged in the air collecting chamber.
3. gas heater as claimed in claim 2, it is characterised in that the air-flow adjustment module is arranged on the air collecting chamber
Interior, the air inlet of the air-flow adjustment module is connected with the air inlet, the air outlet of the air-flow adjustment module with it is described
Gas detection module is set in distance.
4. gas heater as claimed in claim 1, it is characterised in that the safety device further includes and the control
The alarm modules that module is electrically connected, when the gas concentration signal is greater than or equal to gas concentration threshold, the control module
The alarm modules are controlled to send alarm sounds.
5. gas heater as claimed in claim 4, it is characterised in that the safety device further includes and the control
The reseting module that module is electrically connected, the reseting module refer to receive reset instruction when the reseting module receives reset
When making, the control module closes the alarm modules.
6. gas heater as claimed in claim 1, it is characterised in that the safety device further includes and the control
The communication module that module is electrically connected, the communication module and intelligent terminal wireless connection, be more than when the gas concentration signal or
During equal to gas concentration threshold, the control module controls the communication module to send alarm signal to the intelligent terminal.
7. gas heater as claimed in claim 6, it is characterised in that the safety device further include be connected to it is described
Selftest module between control module and the communication module, the selftest module is detecting the safety device
Standby signal is sent to intelligent terminal by the communication module when can not work normally.
8. the gas heater as described in claim 1 to 7 any one, it is characterised in that
The gas detection module is to detect the gas concentration of plurality of target gas, and by the gas concentration of various object gas
Be converted to corresponding electric signal；
The control module is also to receive the electric signal and judge the gas concentration size of every kind of object gas, and any
A kind of gas concentration of object gas controls the gas path control valve to disconnect the supply when being greater than or equal to predetermined threshold value
Pipeline；And be off in the supply air line, and the gas concentration of all object gas is below predetermined threshold value
When, control the gas path control valve to connect the supply air line.
9. the gas heater as described in claim 1 to 7 any one, it is characterised in that the gas detection module includes
At least one of carbon monoxide transducer, alkanes sensor, air quality sensor, smoke sensor device and temperature sensor
Sensor.
10. the gas heater as described in claim 1 to 7 any one, it is characterised in that the gas heater further includes
Ventilating fan, the ventilating fan have first row airspeed and second row airspeed, and the first row airspeed is more than or equal to described
Second row airspeed；
When the gas concentration is greater than or equal to predetermined threshold value, the ventilating fan is started with the first row airspeed；Work as institute
When stating gas concentration and being less than predetermined threshold value, the ventilating fan is started with the second row airspeed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432159.6U CN207335139U (en) | 2017-10-31 | 2017-10-31 | Gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432159.6U CN207335139U (en) | 2017-10-31 | 2017-10-31 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335139U true CN207335139U (en) | 2018-05-08 |
Family
ID=62363636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721432159.6U Active CN207335139U (en) | 2017-10-31 | 2017-10-31 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335139U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724238A (en) * | 2017-10-31 | 2019-05-07 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN111380221A (en) * | 2018-12-27 | 2020-07-07 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN114110441A (en) * | 2021-12-02 | 2022-03-01 | 西南石油大学 | Gas transmission trunk valve chamber combustible gas detector arrangement method |
-
2017
- 2017-10-31 CN CN201721432159.6U patent/CN207335139U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724238A (en) * | 2017-10-31 | 2019-05-07 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN111380221A (en) * | 2018-12-27 | 2020-07-07 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN114110441A (en) * | 2021-12-02 | 2022-03-01 | 西南石油大学 | Gas transmission trunk valve chamber combustible gas detector arrangement method |
| CN114110441B (en) * | 2021-12-02 | 2023-09-15 | 西南石油大学 | Arrangement method of combustible gas detector of gas transmission trunk valve chamber |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220722 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |