CN201448988U - Gas appliance with thermistor for controlling flue blockage - Google Patents
Gas appliance with thermistor for controlling flue blockage Download PDFInfo
- Publication number
- CN201448988U CN201448988U CN2009200616624U CN200920061662U CN201448988U CN 201448988 U CN201448988 U CN 201448988U CN 2009200616624 U CN2009200616624 U CN 2009200616624U CN 200920061662 U CN200920061662 U CN 200920061662U CN 201448988 U CN201448988 U CN 201448988U
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- China
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- thermistor
- temperature detection
- link plate
- enclosure
- enclosure assembly
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Abstract
The utility model relates to a gas appliance with a thermistor for controlling flue blockage, comprising an exhaust hood assembly, a first thermistor, a main control panel, a combustor and a heat exchanger. The exhaust hood assembly is provided with a wind board, an exhaust hood top plate and an exhaust hood lower plate, the first thermistor is electrically connected with the main control panel, and a heat exchange tube is arranged in the heat exchanger. The gas appliance with the thermistor for controlling flue blockage is mainly and technically characterized by also comprising a second thermistor which is electrically connected with the main control panel and is installed in the exhaust hood assembly. The utility model has the characteristics of effectively improving the reliability of the control of the flue blockage, and the like.
Description
Technical field: the utility model relates to the combustion gas tool that a kind of thermistor control flue stops up, and it is applicable to gas heater or burnt gas wall hanging furnace.
Background technology: existing chimney flue type combustion gas tool adopts a temperature controller that flue is stopped up usually and controls, the sheet metal that perhaps adds an anti-down blowing at the exhaust opening place prevents that outdoor cold wind from directly blowing into the combustion chamber along flue, more than these control methods because changes of seasons, ambient temperature also changes, and causes the not high defective of its reliability.In order to overcome these defectives, the combustion gas tool that thermistor control flue stops up is developed.
Summary of the invention: technical problem to be solved in the utility model is the combustion gas tool that will provide a kind of thermistor control flue to stop up, and it can improve the reliability that flue stops up control effectively.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises enclosure assembly, first thermistor, master board, burner, heat exchanger, described enclosure assembly is provided with deep bead, enclosure top board and enclosure lower plate, described first thermistor and master board electrically connect, be provided with heat exchanger tube in the described heat exchanger, it also comprises second thermistor, described second thermistor and master board electrically connect, and second thermistor is installed in the enclosure assembly.
Described second thermistor is installed in the upside of the deep bead in the enclosure assembly.
It also comprises the second temperature detection link plate, and described second thermistor is stuck on the second temperature detection link plate, and the second temperature detection link plate is installed in the upside of the deep bead in the enclosure assembly.
Described second thermistor is installed in the downside of enclosure top board in the enclosure assembly.
It also comprises the second temperature detection link plate, and described second thermistor is stuck on the second temperature detection link plate, and the second temperature detection link plate is installed in the downside of enclosure top board in the enclosure assembly.
The utility model is compared the beneficial effect that is produced with prior art:
1, because the utility model has adopted second thermistor, and described second thermistor and master board electrically connect, and second thermistor is installed in the structure in the enclosure assembly, so it can improve the reliability that flue stops up control effectively.
Description of drawings: Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the annexation figure of enclosure assembly 1, first thermistor 4, second thermistor 5, master board 6 among Fig. 1.
Fig. 3 is a kind of installation site figure of first thermistor 4, second thermistor 5 among Fig. 1.
Fig. 4 is the another kind of installation site figure of first thermistor 4, second thermistor 5 among Fig. 1.
The specific embodiment: shown in accompanying drawing 1, accompanying drawing 2, present embodiment comprises enclosure assembly 1, the first temperature detection link plate 2, the second temperature detection link plate 3, first thermistor 4, second thermistor 5, master board 6, burner 10, heat exchanger 11, is provided with heat exchanger tube 12 in the heat exchanger 11.Enclosure assembly 1 is provided with deep bead 7, enclosure top board 8 and enclosure lower plate 9.First thermistor 4, second thermistor 5 are moulded pipe, heat-shrinkable tube composition by high accuracy glass envelope NTC thermistor, fluorine, and the lead plug wire terminal of first thermistor 4 and second thermistor 5 electrically connects with master board 6 respectively.First thermistor 4 is stuck on the first temperature detection link plate 2, and the first temperature detection link plate 2 is installed on the enclosure lower plate 9; Second thermistor 5 is installed in the enclosure assembly 1, present embodiment second thermistor 5 is stuck on the second temperature detection link plate 3, the second temperature detection link plate 3 is installed in the exhaust fume collecting hood assembly 1, can be installed in the upside (as shown in Figure 3) of deep bead 7, also can be installed in the downside (as shown in Figure 4) of enclosure top board 8.
During combustion gas tool normal combustion, the temperature that second thermistor 5 is responded to is greatly about about 40 ℃, the temperature that first thermistor 4 is responded to is greatly about about 110 ℃, approximately differ 70 ℃ between them, when the flue obstruction takes place when, high temperature gases recirculating, wherein most of flue gas flows out from deep bead 7, cause that the temperature that second thermistor 5 is responded to progressively rises,, thereby the temperature difference of these two thermistors is dwindled up to temperature near first thermistor 4, cause that the resistance difference between them dwindles, dwindling of this resistance difference feeds back in the master board 6, closes burn-out by master board 6 control gas valves; After having only when flue stops up releasing, the combustion gas tool just can continue ignition. reach the purpose that the control flue stops up by above this mode.
Claims (5)
1. a thermistor is controlled the combustion gas tool that flue stops up, it comprises enclosure assembly (1), first thermistor (4), master board (6), burner (10), heat exchanger (11), described enclosure assembly (1) is provided with deep bead (7), enclosure top board (8) and enclosure lower plate (9), described first thermistor (4) electrically connects with master board (6), be provided with heat exchanger tube (12) in the described heat exchanger (11), it is characterized in that it also comprises second thermistor (5), described second thermistor (5) electrically connects with master board (6), and second thermistor (5) is installed in the enclosure assembly (1).
2. the combustion gas tool that thermistor control flue according to claim 1 stops up is characterized in that described second thermistor (5) is installed in the upside of deep bead (7) in the enclosure assembly (1).
3. the combustion gas tool that thermistor control flue according to claim 1 and 2 stops up, it is characterized in that it also comprises the second temperature detection link plate (3), described second thermistor (5) is stuck on the second temperature detection link plate (3), and the second temperature detection link plate (3) is installed in the upside of deep bead (7) in the enclosure assembly (1).
4. the combustion gas tool that thermistor control flue according to claim 1 stops up is characterized in that described second thermistor (5) is installed in the downside of enclosure top board (8) in the enclosure assembly (1).
5. control the combustion gas tool that flues stop up according to claim 1 or 4 described thermistors, it is characterized in that it also comprises the second temperature detection link plate (3), described second thermistor (5) is stuck on the second temperature detection link plate (3), and the second temperature detection link plate (3) is installed in the downside of enclosure top board (8) in the enclosure assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200616624U CN201448988U (en) | 2009-07-30 | 2009-07-30 | Gas appliance with thermistor for controlling flue blockage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200616624U CN201448988U (en) | 2009-07-30 | 2009-07-30 | Gas appliance with thermistor for controlling flue blockage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448988U true CN201448988U (en) | 2010-05-05 |
Family
ID=42553709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200616624U Expired - Lifetime CN201448988U (en) | 2009-07-30 | 2009-07-30 | Gas appliance with thermistor for controlling flue blockage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548628A (en) * | 2019-07-19 | 2019-12-10 | 武汉天空蓝环保科技有限公司 | intelligent atomization spraying system and method for flue dust removal |
-
2009
- 2009-07-30 CN CN2009200616624U patent/CN201448988U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548628A (en) * | 2019-07-19 | 2019-12-10 | 武汉天空蓝环保科技有限公司 | intelligent atomization spraying system and method for flue dust removal |
| CN110548628B (en) * | 2019-07-19 | 2022-04-01 | 武汉天空蓝环保科技有限公司 | Intelligent atomization spraying system and method for flue dust removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |
|
| CX01 | Expiry of patent term |