CN202567777U - Flameout protection system of gas steam cabinet - Google Patents
Flameout protection system of gas steam cabinet Download PDFInfo
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- CN202567777U CN202567777U CN2012200803444U CN201220080344U CN202567777U CN 202567777 U CN202567777 U CN 202567777U CN 2012200803444 U CN2012200803444 U CN 2012200803444U CN 201220080344 U CN201220080344 U CN 201220080344U CN 202567777 U CN202567777 U CN 202567777U
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- protection system
- combustion chamber
- flame
- prism
- quartz prism
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Abstract
The utility model relates to a flameout protection system, in particular to the flameout protection system of a gas steam cabinet, wherein the flameout protection system can be used for safety protection of the commercial gas steam cabinet. The flameout protection system comprises a combustion chamber, wherein a burner is installed inside the combustion chamber, the side wall of the combustion chamber is provided with a quartz prism which is communicated with the outer wall of the combustion chamber, a ray a generated after refraction of the quartz prism is connected with a fire observation hole, and a ray b generated after refraction of the quartz prism is connected with a photosensitive diode. The flameout protection system of the gas steam cabinet is simple in structure and convenient to operate, and improves using safety.
Description
Technical field
The utility model relates to a kind of blowout protection system, relates in particular to a kind of blowout protection system of gas combustion steaming cabinet, can be used in the combustion gas blowout protection system of commercial gas combustion steaming cabinet safeguard protection.
Background technology
The present big difference according to burner of commercial gas combustion steaming cabinet in the prior art has adopted the blowout protection system of different operating principle.But principle is identical with household gas range generally, has adopted occasionally ionic formula flame detection technique of thermoelectricity mostly.Thermojunction type flame detection technique relies on thermocouple on flame, to burn and produces the conducting state that faint voltage attracts the spool maintenance combustion gas of gas electromagnetic valve.This blowout protection Technology Need is cured thermocouple on the flame and is burnt.Be lower than in the family expenses thermic load that reliability can satisfy the demands under the environment of 4kW.But the burner thermic load of commercial burner steamer is often up to more than the 30kW, and it is often not ideal service life to receive the thermocouple that thermal-flame burns this moment.And the characteristic that the ionic formula flame-out protection device utilizes flame to conduct electricity; Whether detector probe---flame---exists the state of the principle flame detection of conductive path between the burner; But its flame probe lost efficacy because of electric conductivity reduces behind carbon distribution easily; It is very big also to be not suitable for thermic load, but causes the not too sufficient commercial gas combustion steaming cabinet of burning field because of gas flow is excessive.Also have some blowout protection systems to adopt the photo-electric flame detector system, the light that sends through flame detection comes the existence of flame detection.But in the standard C J/T 187-2003 of the Ministry of Construction, 5.1.2 bar regulation, the combustion gas steam box should be provided with flame-observing hole.Then photodiode is introduced the interference of external environment light easily from flame-observing hole, when extraneous ambient lighting is strong, tends to erroneous judgement and thinks that flame exists always, and this has caused conventional photo-electric flame detector system reliability not high.
Chinese patent CN201020648078.1; A kind of gas combustion range flameout protector is disclosed; Comprise that air inlet pipe, self-priming magnetic valve, electronic plug valve, burner, flame-detecting probe, controller, said self-priming magnetic valve and electronic plug valve are installed in series on air inlet pipe, electronic plug valve is connected with the controller lead with the self-priming magnetic valve is independent respectively; Flame-detecting probe is installed on the burner, and its head is positioned at burner fire hole next door.This structure relative complex, and result of use is not good.
Summary of the invention
The utility model mainly is to solve the deficiency that exists in the prior art, provides a kind of simple in structure, and can under big gas flow of commercial gas combustion steaming cabinet and high heat load situation, can carry out the blowout protection system that reliable flame detects.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of blowout protection system of gas combustion steaming cabinet; Comprise the combustion chamber; Be provided with burner in the described combustion chamber; Described side wall of combustion chamber is provided with the quartz prism that is connected with outer wall, and a line that described quartz prism refraction back produces is connected with flame-observing hole, and the b line of described quartz prism refraction back generation is connected with photodiode.
The high temperature resistant and quartz prism of ablating through on the inwall of combustion chamber becomes two-way with the anaclasis that flame combustion sends.Wherein one the tunnel is that less ruddiness of refractive index and gold-tinted then lead to the existence that photodiode is used to make blowout protection control system flame detection; Green glow that another road refractive index is bigger and blue light lead to flame-observing hole and are used for letting the operator observe the existence of flame.Because the situation of utilizing green glow and blue light to throw light on is seldom arranged in the indoor surround lighting; So adopt green glow and the more responsive photodiode of blue light are carried out the interference that flame light detects incandescent lamp and fluorescent lamp or electricity-saving lamp light in the effective decontamination chamber, judge by accident preventing.
Through introducing the carry out beam split of quartz prism to the flame light beam, ruddiness and the gold-tinted got wherein detect with specific photodiode, can significantly improve the reliability of gas combustion steaming cabinet blowout protection.
As preferably, described side wall of combustion chamber is provided with outward extending prism pipe, and described quartz prism is located at the outer end of prism pipe.
The utility model provides a kind of blowout protection system of gas combustion steaming cabinet, and is simple in structure, easy to operate, improves safety in utilization.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment 1: as shown in Figure 1; A kind of blowout protection system of gas combustion steaming cabinet; Comprise combustion chamber 1, be provided with burner 2 in the described combustion chamber 1, the sidewall of described combustion chamber 1 is provided with the quartz prism 3 that is connected with outer wall; The a line that described quartz prism 3 refraction backs produce is connected with flame-observing hole 4; The b line that described quartz prism 3 refraction backs produce is connected with photodiode 5, and the sidewall of described combustion chamber 1 is provided with outward extending prism pipe 6, and described quartz prism 3 is located at the outer end of prism pipe 6.
Claims (2)
1. the blowout protection system of a gas combustion steaming cabinet; It is characterized in that: comprise combustion chamber (1); Be provided with burner (2) in the described combustion chamber (1); The sidewall of described combustion chamber (1) is provided with the quartz prism (3) that is connected with outer wall, and a line that described quartz prism (3) refraction back produces is connected with flame-observing hole (4), and the b line of described quartz prism (3) refraction back generation is connected with photodiode (5).
2. the blowout protection system of a kind of gas combustion steaming cabinet according to claim 1, it is characterized in that: the sidewall of described combustion chamber (1) is provided with outward extending prism pipe (6), and described quartz prism (3) is located at the outer end of prism pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200803444U CN202567777U (en) | 2012-03-06 | 2012-03-06 | Flameout protection system of gas steam cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200803444U CN202567777U (en) | 2012-03-06 | 2012-03-06 | Flameout protection system of gas steam cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202567777U true CN202567777U (en) | 2012-12-05 |
Family
ID=47237249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200803444U Expired - Lifetime CN202567777U (en) | 2012-03-06 | 2012-03-06 | Flameout protection system of gas steam cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202567777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702136A (en) * | 2017-09-26 | 2018-02-16 | 中国航发湖南动力机械研究所 | Flame identification system for aeroengine combustor buring room |
-
2012
- 2012-03-06 CN CN2012200803444U patent/CN202567777U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702136A (en) * | 2017-09-26 | 2018-02-16 | 中国航发湖南动力机械研究所 | Flame identification system for aeroengine combustor buring room |
| CN107702136B (en) * | 2017-09-26 | 2019-07-26 | 中国航发湖南动力机械研究所 | Flame identification system for aeroengine combustor buring room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311261 Industrial Zone, Dai Town, Xiaoshan District, Zhejiang, Hangzhou Patentee after: Zhejiang Jiulong Kitchenware Group Co., Ltd Address before: 311261 Industrial Zone, Dai Town, Xiaoshan District, Zhejiang, Hangzhou Patentee before: Hangzhou Jiulong Kitchen Tools Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |