CN106322773B - A kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it - Google Patents
A kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it Download PDFInfo
- Publication number
- CN106322773B CN106322773B CN201610843400.8A CN201610843400A CN106322773B CN 106322773 B CN106322773 B CN 106322773B CN 201610843400 A CN201610843400 A CN 201610843400A CN 106322773 B CN106322773 B CN 106322773B
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- pressure
- water level
- gas furnace
- protective device
- pressure measuring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention provides a kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it; including water-collecting tray; the water-collecting tray have multiple sides and with side bottom surface connected vertically; drainage hole there are two being set on the bottom surface; the same side and the distance between two drainage holes are unequal; there are two pressure measuring units for region setting between two drainage holes; unequal with the distance between the one side and each pressure measuring unit, two pressure measuring units are electrically connected with same pressure differential detection switch.When water level lid one of pressure measuring unit excessively; the pressure that the pressure measuring unit covered is transmitted will no longer be negative pressure; another pressure measuring unit is also above water level; its pressure is still negative pressure; pressure not rebalancing between two pressure measuring units i.e. at this time; the pressure that pressure differential detection switch detects no longer is 0, and starting protection program cuts off gas supply, improves the reliability and stability of protective device.
Description
Technical field
The present invention relates to gas furnace control technology field, especially a kind of high energy efficiency gas furnace condensate water level protective device
And the gas furnace with it.
Background technique
What existing gas furnace condensate water level protective device was tested using single pressure tap mode is internal pressure with atmosphere
Pressure difference between pressure, i.e., single pressure tap is connect with pressure-head switch, when condensed water covers pressure tap, although water can seal
A part of air pressure still can transmit a part of pressure in fact, thus when water level be just above pressure tap when pressure switch also
It will not protect, the critical point that pressure switch is in protection and does not protect, the critical point for causing combustion gas to be also at off and on comes
Echo is dynamic, and the CO that during which burns can be increased rapidly, causes security risk；Meanwhile the pressure inside combustion system is due to combustion state
And other reasons have difference, will cause internal pressure with the pressure difference inaccuracy between atmospheric pressure, it is possible to will appear one
The situation of a little fluctuations and abnormal protection.
Summary of the invention
The present invention provides a kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it, on solving
State the technical problem of pressure switch protection fluctuation and exception.
In order to solve the above technical problem, the present invention provides a kind of high energy efficiency gas furnace condensate water level protective device, packets
Include water-collecting tray, the water-collecting tray have multiple sides and with side bottom surface connected vertically, set on the bottom surface there are two
Drainage hole, the same side and the distance between two drainage holes are unequal, the region between two drainage holes
There are two pressure measuring unit, two surveys unequal with the distance between the one side and each pressure measuring unit for setting
Pressure device is electrically connected with same pressure differential detection switch.
The beneficial effects of the present invention are: since two pressure measuring units are electrically connected with same pressure differential detection switch, gas furnace combustion
When burning system works, smoke exhaust fan extracts flue gas out outward, will form a negative pressure in water-collecting tray internal system, water-collecting tray is normally arranged
When water, the pressure that two pressure measuring units measure all is negative pressure, and the pressure difference that pressure differential detection switch detects is 0 certainly；Work as water seal
Box does not form the reasons such as water seal or water seal be frozen when causing impeded drainage, the water accumulation water level in water-collecting tray can slowly on
It rises, when water level lid one of pressure measuring unit excessively, the pressure that the pressure measuring unit covered is transmitted will no longer be negative pressure, another
For a pressure measuring unit also above water level, pressure is still negative pressure, thus two pressure measuring units then between pressure not rebalancing, pressure
The pressure that poor detection switch detects no longer is 0, and starting protection program cuts off gas supply.Water protective device of the invention,
No matter system and the specific pressure of atmospheric pressure are how many at that time, when water level is increased beyond one of pressure measuring unit, two are surveyed
Pressure device will have pressure difference, and pressure differential detection switch will be protected at once, not have obvious lag.
Further, the bottom surface of the water-collecting tray is quadrangle.
Using the beneficial effect of above-mentioned further scheme is: being convenient for water-collecting tray and combustion gas for quadrangle in the bottom surface of water-collecting tray
Furnace main body installation positioning.
Further, two drainage holes are located on the diagonal line of the quadrangle.
Beneficial effect using above-mentioned further scheme is: two drainage holes being arranged on the diagonal line of quadrangle, really
Protect no matter water-collecting tray is installed in which direction, drainage hole is able to maintain preferable position.
Further, two drainage holes be located at the quadrangle it is diagonal on.
Beneficial effect using above-mentioned further scheme is: two drainage holes be located at quadrangle it is diagonal on, in water-collecting tray
Installation process in, downward, the position of drainage hole improves the consistency of installation all in sustained height for whichever side.
Further, described two pressure measuring units are located on the line of described two drainage holes.
Beneficial effect using above-mentioned further scheme is: two pressure measuring units are located on the line of two drainage holes, just
When installing on water-collecting tray different directions, the relative position of pressure measuring unit and drainage hole is consistent.
Further, two pressure measuring units are close to two drainage hole settings.
Beneficial effect using above-mentioned further scheme is: since pressure measuring unit is close to drainage hole, when condensed water did not had row
When water hole, pressure measuring unit will detect pressure change, so that measurement sensitivity is very high.
Further, the water-collecting tray is structure as a whole.
Beneficial effect using above-mentioned further scheme is: the water-collecting tray of integral structure, manufacture easy to process are installed simultaneously
Also very convenient.
The present invention also provides a kind of gas furnace, the gas furnace includes above-mentioned high energy efficiency gas furnace condensate water level protection
Device.
Gas furnace beneficial effect of the invention is: due to being provided with above-mentioned condensate water level protective device in gas furnace,
Pressure differential detection switch, when gas furnace combustion system works, Smoke are electrically connected with by two pressure measuring units in protective device
Machine extracts flue gas out outward, will form a negative pressure in water-collecting tray internal system, and when water-collecting tray proper drainage, two pressure measuring units are surveyed
The pressure obtained is all negative pressure, and the pressure difference that pressure differential detection switch detects is 0 certainly；When Water sealing box does not form water seal or water
When the reasons such as envelope is frozen cause impeded drainage, the water accumulation water level in water-collecting tray can slowly rise, when water level lid crosses wherein one
When a pressure measuring unit, the pressure that the pressure measuring unit covered is transmitted will no longer be negative pressure, another pressure measuring unit is also in water level
Top, pressure are still negative pressure, thus two pressure measuring units then between pressure not rebalancing, pressure differential detection switch detects
Pressure is no longer 0, and starting protection program cuts off gas supply.Water protective device of the invention, no matter system and atmosphere at that time
The specific pressure of pressure is how many, and when water level is increased beyond one of pressure measuring unit, two pressure measuring units will have pressure difference,
Pressure differential detection switch will be protected at once, not have obvious lag.
Detailed description of the invention
Fig. 1 is one structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention,
Fig. 2 is two structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention,
Fig. 3 is three structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention,
Fig. 4 is four structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
01, water-collecting tray, 011, bottom surface, 012, side, 02, drainage hole, 03, pressure measuring unit, 04, pressure differential detection switch, 05,
Water sealing box
Specific embodiment
The present invention is further illustrated with embodiment with reference to the accompanying drawing.
One structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention is referring to Fig. 1, including catchments
Disk 01, water-collecting tray 01 have multiple sides 011 and with the bottom surface 012 connected vertically of side 011, set that there are two rows on bottom surface 012
Water hole 02, the distance between same side 011 and two drainage holes 02 are unequal, and the region between two drainage holes 02 is provided with
Two pressure measuring units 03, the distance between same side 011 and each pressure measuring unit 03 are unequal, two pressure measuring units 03 and same
The electrical connection of one pressure differential detection switch 04；Smoke exhaust fan 05 is arranged on a bottom surface 012 of water-collecting tray 01, one of drainage hole
02 is connect by pipeline with Water sealing box 06.
Since two pressure measuring units are electrically connected with pressure differential detection switch, when gas furnace combustion system works, smoke exhaust fan is past
Outer extraction flue gas will form a negative pressure in water-collecting tray internal system, when water-collecting tray proper drainage, what two pressure measuring units measured
Pressure is all negative pressure, and the pressure difference that pressure differential detection switch detects is 0 certainly；When Water sealing box does not form water seal or water seal quilt
When the reasons such as freezing and causing impeded drainage, the water accumulation water level in water-collecting tray can slowly rise, and survey when water level lid is excessively one of
When pressure device, the pressure that the pressure measuring unit covered is transmitted will no longer be negative pressure, another pressure measuring unit also above water level,
Its pressure is still negative pressure, thus two pressure measuring units then between pressure not rebalancing, pressure differential detection switchs the pressure detected
It is no longer 0, starting protection program cuts off gas supply.Water protective device of the invention, no matter system and atmospheric pressure at that time
Specific pressure be how many, when water level is increased beyond one of pressure measuring unit, two pressure measuring units will have pressure difference, pressure difference
Detection switch will be protected at once, not have obvious lag.
In the present embodiment, the bottom surface 012 of water-collecting tray 01 is quadrangle；Two drainage holes 02 are located at the diagonal of quadrangle
On.
The bottom surface of water-collecting tray is quadrangle, is positioned convenient for water-collecting tray and burner bodies installation；Two drainage holes are located at four
Side shape it is diagonal on, in the installation process of water-collecting tray, downward, the position of drainage hole is all in same height for whichever side
Degree, improves the consistency of installation.
In the present embodiment, two pressure measuring units 03 are located on the line of two drainage holes 02；Two pressure measuring units 03 lean on
Nearly two drainage holes 02.
Two pressure measuring units are located on the line of two drainage holes, when convenient for installing on water-collecting tray different directions, survey pressure
The relative position of device and drainage hole is consistent；Since pressure measuring unit is close to drainage hole, when condensed water did not had drainage hole, survey
Pressure device will detect pressure change, so that measurement sensitivity is very high.
In a particular embodiment, water-collecting tray 01 is structure as a whole.The water-collecting tray of integral structure, manufacture easy to process, simultaneously
It installs also very convenient.
Two structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention referring to fig. 2, with Fig. 1 phase
Than difference is, the mounting means of gas furnace is that right side is horizontal, although mounting means changes, due to two drainings
Hole be located at quadrangle it is diagonal on, also, two pressure measuring units 03 are close to two drainage holes 02.So whichever bottom surface court
Under, the position of drainage hole improves the consistency of installation all in sustained height.
Three structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention is referring to Fig. 3, with Fig. 1 phase
Than difference is, the mounting means of gas furnace is that left side is horizontal, and equally, the position of drainage hole is improved all in sustained height
The consistency of installation.
Four structure chart of high energy efficiency gas furnace condensate water level protective device mounting means of the present invention referring to fig. 4, with Fig. 1 phase
Than difference is, the mounting means of gas furnace is that left side is horizontal, and equally, the position of drainage hole is improved all in sustained height
The consistency of installation.
The embodiment of the present invention also provides a kind of gas furnace, and gas furnace includes above-mentioned high energy efficiency gas furnace condensate water level
Protective device.
Gas furnace of the invention, no matter system and the specific pressure of atmospheric pressure were how many at that time, when water level is increased beyond
When one of pressure measuring unit, two pressure measuring units will have pressure difference, and pressure differential detection switch will be protected at once, not have obvious
Lag, improves the reliability and stability of gas furnace.
It, can be according to product when high energy efficiency gas furnace condensate water level protective device is specifically applied in gas furnace
Actual use need to install different positions.Equally, the concrete shape structure of water protective device can also be according to product
The structures such as pentagon or hexagon are set as using with installation environment in real time.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", "upper", "lower", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also indirectly connected through an intermediary, the interaction that can be connection or two elements inside two elements is closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
It has been carried out in detail to high energy efficiency gas furnace condensate water level protective device of the invention and with its gas furnace above
Thin to introduce, used herein a specific example illustrates the principle and implementation of the invention.Above embodiments are said
It is bright to be merely used to help understand the core idea of the present invention；At the same time, for those skilled in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
Limitation of the present invention.
Claims (8)
1. a kind of high energy efficiency gas furnace condensate water level protective device, including water-collecting tray (01), the water-collecting tray (01) has more
A side (011) and with the side (011) bottom surface connected vertically (012), set that there are two drainage holes on the bottom surface (012)
(02), the distance between the same side (011) and two drainage holes (02) are unequal, which is characterized in that two institutes
It states the region between drainage hole (02) to be arranged there are two pressure measuring unit (03), be pressed with the one side (011) and each survey
The distance between device (03) is unequal, and two pressure measuring units (03) are electrically connected with same pressure differential detection switch (04)；?
When gas furnace works normally, the pressure of the water-collecting tray (01) is negative pressure, when the water level rising in the water-collecting tray (01), water level
When covering one of pressure measuring unit, the pressure that the pressure measuring unit covered is transmitted will no longer be negative pressure, another surveys press fitting
Set also above water level, pressure is still negative pressure, two pressure measuring units then between pressure rebalancing, the pressure differential detection are not opened
Closing the pressure that (04) detects no longer is 0, and starting protection program cuts off gas supply.
2. high energy efficiency gas furnace condensate water level protective device according to claim 1, which is characterized in that the water-collecting tray
(01) bottom surface (012) is quadrangle.
3. high energy efficiency gas furnace condensate water level protective device according to claim 2, which is characterized in that two rows
Water hole (02) is located on the diagonal line of the quadrangle.
4. high energy efficiency gas furnace condensate water level protective device according to claim 3, which is characterized in that two rows
Water hole (02) be located at the quadrangle it is diagonal on.
5. high energy efficiency gas furnace condensate water level protective device according to any one of claims 1 to 4, which is characterized in that
Described two pressure measuring units (03) are located on the line of described two drainage holes (02).
6. high energy efficiency gas furnace condensate water level protective device according to claim 5, which is characterized in that two surveys
Pressure device (03) is close to two drainage hole (02) settings.
7. high energy efficiency gas furnace condensate water level protective device according to any one of claims 1 to 4, which is characterized in that
The water-collecting tray (01) is structure as a whole.
8. a kind of gas furnace, which is characterized in that the gas furnace includes the described in any item high energy efficiency combustion gas of claim 1 to 7
Furnace condensate water level protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843400.8A CN106322773B (en) | 2016-09-22 | 2016-09-22 | A kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843400.8A CN106322773B (en) | 2016-09-22 | 2016-09-22 | A kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322773A CN106322773A (en) | 2017-01-11 |
| CN106322773B true CN106322773B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610843400.8A Active CN106322773B (en) | 2016-09-22 | 2016-09-22 | A kind of high energy efficiency gas furnace condensate water level protective device and the gas furnace with it |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238052B (en) * | 2020-01-19 | 2021-09-28 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
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|---|---|---|---|---|
| CN2062837U (en) * | 1990-04-05 | 1990-09-26 | 李忠义 | Multi-point circuit pressure texting valve |
| JP2004061051A (en) * | 2002-07-31 | 2004-02-26 | Toyotomi Co Ltd | Drain treatment structure for water heater |
| CA2359395C (en) * | 2001-03-08 | 2005-12-27 | The Water Heater Industry Joint Research And Development Consortium | Fuel-fired heating appliance with combustion chamber temperature-sensing combustion air shutoff system |
| CN202835798U (en) * | 2012-09-29 | 2013-03-27 | 中山华帝燃具股份有限公司 | Condensing water heater |
| CN104019549A (en) * | 2014-06-26 | 2014-09-03 | 成都前锋电子有限责任公司 | Heat exchange device of condensing-type gas water heater |
| CN105371470A (en) * | 2015-10-09 | 2016-03-02 | 珠海格力电器股份有限公司 | Drainage system and method for air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080124667A1 (en) * | 2006-10-18 | 2008-05-29 | Honeywell International Inc. | Gas pressure control for warm air furnaces |
-
2016
- 2016-09-22 CN CN201610843400.8A patent/CN106322773B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062837U (en) * | 1990-04-05 | 1990-09-26 | 李忠义 | Multi-point circuit pressure texting valve |
| CA2359395C (en) * | 2001-03-08 | 2005-12-27 | The Water Heater Industry Joint Research And Development Consortium | Fuel-fired heating appliance with combustion chamber temperature-sensing combustion air shutoff system |
| JP2004061051A (en) * | 2002-07-31 | 2004-02-26 | Toyotomi Co Ltd | Drain treatment structure for water heater |
| CN202835798U (en) * | 2012-09-29 | 2013-03-27 | 中山华帝燃具股份有限公司 | Condensing water heater |
| CN104019549A (en) * | 2014-06-26 | 2014-09-03 | 成都前锋电子有限责任公司 | Heat exchange device of condensing-type gas water heater |
| CN105371470A (en) * | 2015-10-09 | 2016-03-02 | 珠海格力电器股份有限公司 | Drainage system and method for air conditioner |
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| Publication number | Publication date |
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| CN106322773A (en) | 2017-01-11 |
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