CN110762848A - Wall-mounted furnace wind pressure monitoring and controlling method and application thereof - Google Patents
Wall-mounted furnace wind pressure monitoring and controlling method and application thereof Download PDFInfo
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- CN110762848A CN110762848A CN201910920931.6A CN201910920931A CN110762848A CN 110762848 A CN110762848 A CN 110762848A CN 201910920931 A CN201910920931 A CN 201910920931A CN 110762848 A CN110762848 A CN 110762848A
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- wind pressure
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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
Abstract
The invention discloses a wall-mounted furnace wind pressure monitoring and controlling method and application thereof, which are characterized in that an electronic signal type wind pressure sensor is adopted to monitor wind pressure, the wind pressure sensor is provided with a signal connection port, and the signal connection port is connected with a wall-mounted furnace main control board to monitor a certain section of wind pressure value. The invention improves the reliability of the whole machine and reduces the potential safety hazard; the generalization rate is improved, the specification is reduced, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of wall-mounted furnaces, in particular to a wall-mounted furnace wind pressure monitoring and controlling method and application thereof.
Background
The wall-mounted furnace and the condensation wall-mounted furnace are used for monitoring the combustion working condition and the flue blockage condition of the wall-mounted furnace, and are generally realized by a wind pressure switch, and the on-off monitoring is controlled by internal micro-motion development developed by wind pressure. However, the existing mechanical wind pressure development work stability is poor, and the monitored wind pressure control point of the whole machine is single, so that misoperation or no operation occurs in the use process of a user, and potential safety hazards exist. When the wall-mounted furnace is matched with wall-mounted furnaces with different power sections (20/24/26/28/32kw) and the whole machine is provided with a wind pressure monitoring point, the monitoring point of the wind pressure of the whole machine is different due to the fact that the combustion power of the whole machine is not used and the wind volume of the fan is different. If the general wind pressure switch is adopted for realization, wind pressure switches with various specifications appear, which is difficult for generalization of products. Unnecessary troubles are caused to after-sale maintenance, and specifications are too many and are easy to be confused.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a wind pressure monitoring and controlling method of a wall-mounted boiler, which can improve the reliability of the whole boiler and reduce potential safety hazards.
The invention also aims to provide an application of the wall-mounted boiler wind pressure monitoring and controlling method.
The invention adopts the following technical scheme to realize the purpose: a wind pressure monitoring and controlling method for a wall-mounted furnace is characterized by comprising the step of monitoring wind pressure by adopting an electronic signal type wind pressure sensor, wherein the wind pressure sensor is provided with a signal connection port, the signal connection port is connected with a main control board of the wall-mounted furnace, the monitoring range is increased, the reliability is improved, and the safety problem caused by misoperation is avoided.
As a further explanation of the scheme, the wall-hanging stove main control board adopts built-in programs to match and develop the wind pressure monitoring of products with different power sections, so that the universalization of wind pressure monitoring devices is realized, the material specification is reduced, and confusion and error are avoided.
Furthermore, the products of the different power sections are respectively matched with different fan voltages or fan frequencies.
Preferably, in products with five different power sections, corresponding fan frequencies are respectively f1, f2, f3, f4 and f5 in sequence, wind pressure monitoring normal wind pressure values are P1, P2, P3, P4 and P5, fault determination points are respectively Z1, Z2, Z3, Z4 and Z5, and a deviation range Δ Z is set for a main board program to perform monitoring determination; if the actual monitoring signal deviation is smaller than the delta z, the monitoring signal is normal, and if the actual monitoring signal deviation is larger than the delta z, the wind pressure fault is judged to be abnormal.
Furthermore, when the universal wind pressure sensor is implemented in different product power sections, the frequency of a fan, the wind pressure and the smoke components under the actual combustion working condition need to be collected in advance, and a wind pressure monitoring fault point and a fault deviation range delta z are set reasonably so as to facilitate the data storage of a main board program.
The application of the wind pressure monitoring and controlling method of the wall-mounted furnace is characterized in that a wind pressure sensor is connected with a wind pressure monitoring port of a fan of the wall-mounted furnace through a wind pressure connecting pipe, the fan is arranged at the top of a smoke collecting hood of the wall-mounted furnace, and a smoke outlet connector of the fan is externally connected with a smoke pipe or a condensing heat exchanger and then connected with the smoke pipe; the wind pressure sensor is provided with a signal connection port, the port is connected with a main control board of the wall-mounted furnace, and a wind pressure signal is transmitted to a main board program to be monitored and judged.
The invention adopts the technical proposal to achieve the following beneficial effects:
1. the invention adopts the electronic signal type wind pressure sensor to monitor the wind pressure, does not adopt single-point wind pressure value monitoring, but adopts a certain section of wind pressure value monitoring, increases the monitoring range, improves the reliability and avoids the safety problem caused by misoperation.
2. The invention adopts the built-in program to match and develop the wind pressure monitoring of the complete machine with different power sections, realizes the generalization of wind pressure monitoring devices, reduces the material specification and avoids confusion and error.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the wind pressure monitoring of the present invention.
Description of reference numerals: 1. fan 2, hanging stove collection petticoat pipe 3, condensation heat exchanger 4, wind pressure sensor.
Detailed Description
The technical solution is described in detail with reference to specific embodiments below.
As shown in figure 1, the invention relates to a wind pressure monitoring and controlling method for a wall-mounted furnace, which comprises the steps of monitoring wind pressure by adopting an electronic signal type wind pressure sensor, wherein the wind pressure sensor is provided with a signal connecting port, the signal connecting port is connected with a main control board of the wall-mounted furnace, monitoring a certain section of wind pressure value is realized, the monitoring range is increased, the reliability is improved, and the safety problem caused by misoperation is avoided. As shown in figure 1, the wind pressure sensor 4 is connected with a wind pressure monitoring port of a fan of the wall-hanging stove by a wind pressure connecting pipe, the connection time is '+', the positive and the negative are connected, the fan 1 is installed at the top of a smoke collecting hood 2 of the wall-hanging stove, and a smoke outlet connector of the fan is connected with a smoke pipe or an external condensation heat exchanger 3 and then connected with the smoke pipe. The wind pressure sensor is provided with a signal connection port, the port is connected with a main control board of the wall-hanging furnace, and a wind pressure signal is transmitted to a main board program for monitoring and judging.
As shown in fig. 2, the wall-hanging stove products with different power sections are matched with different fan voltages or fan frequencies, such as 20/24/26/28/32kW products, the corresponding fan frequencies are respectively f1, f2, f3, f4 and f5 in sequence, the normal wind pressure values for wind pressure monitoring are P1, P2, P3, P4 and P5, the fault determination points are respectively Z1, Z2, Z3, Z4 and Z5, and a deviation range Δ Z is set for the main board program to monitor and determine. If the actual monitoring signal deviation is smaller than the delta z, the monitoring signal is normal, and if the actual monitoring signal deviation is larger than the delta z, the wind pressure fault is judged to be abnormal. When the universal wind pressure sensor is implemented in different product power sections, the smoke components under the fan frequency, the wind pressure and the actual combustion working condition need to be collected in advance, and a wind pressure monitoring fault point and a fault deviation range delta z are reasonably set so as to facilitate the storage of data by a mainboard program. A distinguishing code 'C' or other codes are set on a mainboard program of different power products, a built-in program of the code 'C' mainboard is set with a conversion code setting code (00-99) and an internal storage database for matching, the universalization of a wind pressure monitoring device is realized, the material specification is reduced, and confusion errors are avoided. Subsequent after-sale maintenance and replacement can be realized only by matching the product power with the program code value.
Compared with the prior art, the invention improves the reliability of the whole machine and reduces the potential safety hazard; the generalization rate is improved, the specification is reduced, and the cost is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. A wind pressure monitoring and controlling method for a wall-mounted furnace is characterized by comprising the step of monitoring wind pressure by adopting an electronic signal type wind pressure sensor, wherein the wind pressure sensor is provided with a signal connection port, and the signal connection port is connected with a main control board of the wall-mounted furnace to monitor a wind pressure value of a certain section.
2. The wind pressure monitoring and controlling method of the wall-hanging stove according to claim 1, characterized in that the wall-hanging stove main control board adopts a built-in program to match and develop wind pressure monitoring of products with different power sections.
3. The wind pressure monitoring and controlling method of the wall-hanging stove according to claim 1, characterized in that the products of the plurality of different power sections are respectively matched with different fan voltages or fan frequencies.
4. The wind pressure monitoring and controlling method of the wall-hanging furnace as claimed in claim 3, characterized in that in products of five different power sections, corresponding fan frequencies are respectively f1, f2, f3, f4 and f5 in sequence, wind pressure monitoring normal wind pressure values are P1, P2, P3, P4 and P5, fault determination points are respectively Z1, Z2, Z3, Z4 and Z5, and a deviation range Δ Z is set for a main board program to monitor and determine; if the actual monitoring signal deviation is smaller than the delta z, the monitoring signal is normal, and if the actual monitoring signal deviation is larger than the delta z, the wind pressure fault is judged to be abnormal.
5. The wall-hanging stove wind pressure monitoring control method according to claim 4, characterized in that when the general wind pressure sensor is implemented in different product power sections, the fan frequency, wind pressure, smoke components under actual combustion conditions need to be collected in advance, and a wind pressure monitoring fault point and a fault deviation range Δ z need to be set reasonably.
6. The application of the wind pressure monitoring and controlling method of the wall-hanging stove as claimed in any one of claims 1 to 5 is characterized in that a wind pressure sensor is connected with a wind pressure monitoring port of a fan of the wall-hanging stove through a wind pressure connecting pipe, the fan is arranged on the top of a smoke collecting hood of the wall-hanging stove, and a joint of a smoke outlet of the fan is externally connected with a smoke pipe or a condensing heat exchanger and then connected with the smoke pipe; the wind pressure sensor is provided with a signal connection port, the port is connected with a main control board of the wall-mounted furnace, and a wind pressure signal is transmitted to a main board program to be monitored and judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920931.6A CN110762848A (en) | 2019-09-26 | 2019-09-26 | Wall-mounted furnace wind pressure monitoring and controlling method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920931.6A CN110762848A (en) | 2019-09-26 | 2019-09-26 | Wall-mounted furnace wind pressure monitoring and controlling method and application thereof |
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| CN110762848A true CN110762848A (en) | 2020-02-07 |
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| CN201910920931.6A Pending CN110762848A (en) | 2019-09-26 | 2019-09-26 | Wall-mounted furnace wind pressure monitoring and controlling method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513782A (en) * | 2021-07-09 | 2021-10-19 | 中山市力科电器有限公司 | Fan air pressure control method of gas heating equipment |
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| CN108626781A (en) * | 2018-06-05 | 2018-10-09 | 万家乐热能科技有限公司 | A kind of high power gas heating hot water furnace control system and control method |
| CN109612104A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of warm bath dual-purpose stove of novel low nitrogen condensed type combustion gas |
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2019
- 2019-09-26 CN CN201910920931.6A patent/CN110762848A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100629780B1 (en) * | 2005-09-22 | 2006-10-02 | 주식회사 경동나비엔 | Error correction method of air pressure sensor in air proportionality type boiler |
| KR20070033678A (en) * | 2005-09-22 | 2007-03-27 | 주식회사 경동나비엔 | Detection method of wind pressure sensor abnormality in air proportional control boiler using wind pressure sensor |
| CN104242891A (en) * | 2014-09-26 | 2014-12-24 | 思达文电器（深圳）有限公司 | Electronic wind pressure switch and gas appliance |
| CN204229981U (en) * | 2014-11-05 | 2015-03-25 | 铜陵精工里亚特种线材有限公司 | Transformer heat energy guidance system |
| CN104729101A (en) * | 2015-01-26 | 2015-06-24 | 艾欧史密斯(中国)热水器有限公司 | Combustion control system for gas water heater or wall-hanging stove and control method thereof |
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| CN107575412A (en) * | 2017-09-04 | 2018-01-12 | 珠海格力电器股份有限公司 | Blower control method, controller of fan and wall-hung boiler |
| CN108626781A (en) * | 2018-06-05 | 2018-10-09 | 万家乐热能科技有限公司 | A kind of high power gas heating hot water furnace control system and control method |
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| CN113513782A (en) * | 2021-07-09 | 2021-10-19 | 中山市力科电器有限公司 | Fan air pressure control method of gas heating equipment |
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