WO2013182015A1 - Fire detecting and control apparatus - Google Patents
Fire detecting and control apparatus Download PDFInfo
- Publication number
- WO2013182015A1 WO2013182015A1 PCT/CN2013/076621 CN2013076621W WO2013182015A1 WO 2013182015 A1 WO2013182015 A1 WO 2013182015A1 CN 2013076621 W CN2013076621 W CN 2013076621W WO 2013182015 A1 WO2013182015 A1 WO 2013182015A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switch
- base
- temperature
- control device
- glass bulb
- Prior art date
Links
- 239000011521 glass Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000006698 induction Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Definitions
- the present invention relates to the field of fire protection, and in particular to a fire detection and control device for an automatic fire extinguishing device.
- BACKGROUND OF THE INVENTION Fire detectors of automatic fire extinguishing systems widely used in the field of fire protection include smoke detectors, temperature detectors and flame detectors, but these detectors are controlled by electronic circuits, so that the following aspects exist.
- the problem is that the detector is highly demanding on the one hand and vulnerable to the limitations of the application environment. On the other hand, it is also susceptible to false positives or failures due to environmental influences. For example, these detectors are susceptible to external electromagnetic interference or voltage fluctuations, and the ambient humidity is less than
- a fire detection control device includes a base, a switch is disposed in the inner cavity of the base, and a bracket is disposed above the base, the top end of the temperature sensitive glass bubble is supported by the bracket, and the bottom end extends to the upper surface of the switch to keep the switch off .
- the above switch is a push button switch, and the button is coupled to the bottom end of the temperature sensing glass bulb so that the button is pressed by the temperature sensitive glass bulb. Further, the push button switch has two sets of connection terminals connected to the outside.
- a fixing hole is formed on the base.
- the temperature sensitive glass bulb is made of a heat sensitive temperature material, and the induction temperature is 57 ° C to 260 ° C.
- the fire detection control device of the utility model mainly utilizes the physical mechanical principle, that is, the multi-contact switch is controlled by the heat-sensitive glass bubble, which does not need external power supply, and overcomes the prior art detector is susceptible to external interference or voltage fluctuation.
- the problem of false alarm is that the utility model mainly adopts the function of detecting the heat sensitive glass bubble, and the reaction is rapid and reliable, and the temperature is 57 ° C, 68 ° C, 79 ° C, 93 ° C, 141 ° C, 182 Available in a variety of models at °C and 260°C, it can be used in different applications and is not affected by airflow, dust, water mist, corrosive gases and light, and has a wider range of adaptation.
- the utility model can also integrate the detecting and starting functions, has a simple and reliable structure, is convenient to install, and can realize control and feedback functions.
- FIG. 1 is a schematic structural view of Embodiment 1 of the present invention.
- DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The fire detection control device of the present invention overcomes the problem that the detector in the prior art is susceptible to external interference or voltage fluctuations, causing false alarms, and the detection and activation functions are integrated, and control and feedback can be realized. The function.
- the fire detection control device of the present invention is constructed by coupling the base 4, the push button switch 3, the bracket 1, the temperature sensing glass bulb 2, and the terminal 5.
- a cavity is opened in the middle of the base 4, and a button switch 3 is fixed in the cavity by a fastener, and a fixing hole is also formed on the base 4, and the base 4 can be fixed by a self-tapping screw or a expansion screw.
- a bracket 1 is coupled to the base 4 by screws, the support of the bracket 1 The top end is fastened with a temperature-sensitive glass bulb 2 by means of an adjusting screw, and the pressure and height of the temperature-sensitive glass bulb 2 can be adjusted by adjusting the screw.
- the temperature sensitive glass bulb 2 in this embodiment is made of a heat sensitive temperature material, the induction temperature is 57 ° C, and the bottom of the temperature sensitive glass bulb 2 extends to the upper surface of the push button switch 3, just against the push button switch 3
- the button is such that the switch 3 is in an open state, wherein the position of the button in contact with the temperature sensing glass bulb 2 is matched, and one end of the button switch 3 is provided with two sets of terminal blocks 5 and an external fire alarm or linkage controller Or the control center is connected to be used as a fire alarm or to activate a fire extinguishing starter or feedback signal to the control center.
- the working principle of the utility model is as follows: When the heat sensitive temperature glass bulb 2 detects rapid rupture after fire, the button switch 3 loses the pressure of the temperature sensitive glass bulb 2, and the two sets of normally closed switches 3 of the push button switch 3 are turned on. The two sets of switch 3 signals send signals to the automatic alarm controller or control center through the terminal 5 to realize fire detection control and linkage.
- the temperature of the temperature sensing glass bulb 2 in this embodiment was 260 °C.
- the terminal 5 of the push button switch 3 is connected to the controller starter of the fire extinguishing unit to form a separate automatic fire extinguishing system.
- the other components and their connections are the same as in the first embodiment.
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
Disclosed is a fire detecting and control apparatus, comprising a base (4), a switch (3) provided in an inner cavity of the base (4), and a frame (1) provided above the base (4), wherein the top end of a thermosensitive glass bubble (2) is supported by means of the frame (1), and the bottom end extends as far as the upper surface of the switch (3) to keep the switch (3) in a disconnected state. Using a heat-sensitive glass bubble to control a multi-contact switch, there is no need to provide an external power supply, overcoming the problem in the prior art of a detector being easily affected by external interference or misinformation due to voltage fluctuation. The reaction is fast and reliable, the invention is suitable for application in different places, and will not be affected by air currents, dust, water vapour, corrosive gases or light, thus having a wider scope of application. The apparatus can combine the functions of detecting and control within one body, has a simple and reliable structure and is convenient to assemble.
Description
一种火灾探测控制装置 技术领域 本实用新型应用于消防领域， 具体涉及一种自动灭火设备的火灾探测控制 装置。 背景技术 目前在消防领域广泛应用的自动灭火系统的火灾探测器有烟感探测器， 温 感探测器和火焰探测器， 但这些探测器都是通过电子电路实现控制的， 这样便 存在以下方面的问题， 就是探测器一方面对环境要求高， 容易受到应用环境的 局限， 另一方面也容易受到环境的影响而误报或失效。 比如， 这些探测器容易 受到外界电磁波干扰或者电压波动产生误报， 再者就是要求使用环境湿度小于 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of fire protection, and in particular to a fire detection and control device for an automatic fire extinguishing device. BACKGROUND OF THE INVENTION Fire detectors of automatic fire extinguishing systems widely used in the field of fire protection include smoke detectors, temperature detectors and flame detectors, but these detectors are controlled by electronic circuits, so that the following aspects exist. The problem is that the detector is highly demanding on the one hand and vulnerable to the limitations of the application environment. On the other hand, it is also susceptible to false positives or failures due to environmental influences. For example, these detectors are susceptible to external electromagnetic interference or voltage fluctuations, and the ambient humidity is less than
95%； 还有烟感探测器要求气流速度小于 5m/S ; 有大量粉尘、 水雾滞留， 可能 产生腐蚀性气体等情况不能使用。火焰探测器则在探测器的"视线"易被遮挡或受 阳光或其他光源直接或间接照射或在正常情况下有明火作业以及 X射线、 弧光 等影响时不能使用。 实用新型内容 为了解决现有技术中的火灾探测器对应用环境要求高， 容易受环境影响而 误报的问题， 本实用新型提供了一种新型的火灾探测控制装置。 95%; There is also a smoke detector that requires a gas velocity of less than 5m/ s; there is a large amount of dust, water mist retention, and corrosive gases may not be used. Flame detectors cannot be used when the detector's "line of sight" is easily blocked or directly or indirectly exposed to sunlight or other light sources or under normal conditions with open flames and X-rays, arcs, etc. SUMMARY OF THE INVENTION In order to solve the problem that the fire detector of the prior art has high requirements on the application environment and is easily reported by the environment, the present invention provides a novel fire detection control device.
本实用新型解决技术问题的技术方案是： The technical solution of the utility model to solve the technical problem is:
一种火灾探测控制装置， 包括底座， 在底座的内腔设置开关， 在底座的上 方设置有支架， 感温玻璃泡的顶端通过支架支撑， 底端延伸至开关的上表面使 开关保持断开状态。 A fire detection control device includes a base, a switch is disposed in the inner cavity of the base, and a bracket is disposed above the base, the top end of the temperature sensitive glass bubble is supported by the bracket, and the bottom end extends to the upper surface of the switch to keep the switch off .
上述开关是按钮开关， 所述按钮与感温玻璃泡的底端联接， 使得按钮被感 温玻璃泡压下。
进一步， 所述按钮开关具有两组与外部连接的接线端子。 The above switch is a push button switch, and the button is coupled to the bottom end of the temperature sensing glass bulb so that the button is pressed by the temperature sensitive glass bulb. Further, the push button switch has two sets of connection terminals connected to the outside.
更进一步， 所述底座上加工有固定孔。 Further, a fixing hole is formed on the base.
进一步， 所述感温玻璃泡采用热敏感温材质， 其感应温度为 57°C〜260°C。 本实用新型的火灾探测控制装置主要是利用物理机械原理， 即利用热敏玻 璃泡控制多触点开关， 其不需要外接电源供电， 克服了现有技术中的探测器容 易受到外界干扰或者电压波动而造成误报的问题， 本实用新型主要是采用热敏 玻璃泡实现探测的功能， 其反应迅速可靠， 温度有 57°C、 68°C、 79°C、 93 °C、 141 °C、 182°C、 260°C多种型号可选， 可以适用于不同场所的应用， 而且不受气 流、 粉尘、 水雾、 腐蚀性气体和光线的影响， 有更宽的适应范围。 Further, the temperature sensitive glass bulb is made of a heat sensitive temperature material, and the induction temperature is 57 ° C to 260 ° C. The fire detection control device of the utility model mainly utilizes the physical mechanical principle, that is, the multi-contact switch is controlled by the heat-sensitive glass bubble, which does not need external power supply, and overcomes the prior art detector is susceptible to external interference or voltage fluctuation. The problem of false alarm is that the utility model mainly adopts the function of detecting the heat sensitive glass bubble, and the reaction is rapid and reliable, and the temperature is 57 ° C, 68 ° C, 79 ° C, 93 ° C, 141 ° C, 182 Available in a variety of models at °C and 260°C, it can be used in different applications and is not affected by airflow, dust, water mist, corrosive gases and light, and has a wider range of adaptation.
本实用新型还能够将探测和启动功能集于一身， 结构简单可靠， 安装方便， 并可实现控制和反馈功能。 The utility model can also integrate the detecting and starting functions, has a simple and reliable structure, is convenient to install, and can realize control and feedback functions.
下面结合说明书附图对本实用新型做进一歩的描述。 The present invention will be further described below in conjunction with the drawings.
附图说明： 图 1为本实用新型的实施例 1结构示意图。 具体实施方式： 本实用新型的火灾探测控制装置克服了现有技术中的探测器容易受到外界 干扰或者电压波动而造成误报的问题， 将探测和启动功能集于一身， 并可实现 控制和反馈的功能。 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic structural view of Embodiment 1 of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The fire detection control device of the present invention overcomes the problem that the detector in the prior art is susceptible to external interference or voltage fluctuations, causing false alarms, and the detection and activation functions are integrated, and control and feedback can be realized. The function.
现结合附图对本实用新型的火灾探测控制装置进行进一歩的说明。 The fire detection control device of the present invention will now be further described with reference to the accompanying drawings.
实施例 1 Example 1
由图 1可以看出，本实用新型的火灾探测控制装置是由底座 4、按钮开关 3、 支架 1、 感温玻璃泡 2以及接线端子 5联接构成。 As can be seen from Fig. 1, the fire detection control device of the present invention is constructed by coupling the base 4, the push button switch 3, the bracket 1, the temperature sensing glass bulb 2, and the terminal 5.
具体是： 在底座 4 的中部开设有空腔， 在空腔内通过紧固件固定有按钮开 关 3， 在底座 4上还加工有固定孔， 可以通过自攻螺丝或胀管螺丝将底座 4固定 在防护区的吊顶或屋顶上； 在底座 4的上方通过螺钉联接一个支架 1， 支架 1的
顶端通过调节螺钉紧固一个感温玻璃泡 2， 通过调节螺钉可以调节感温玻璃泡 2 的压力和高度。 本实施例中的感温玻璃泡 2是采用热敏感温材料制成， 其感应 温度是 57°C， 感温玻璃泡 2的底部延伸至按钮开关 3的上表面， 正好顶住按钮 开关 3的按钮， 使得开关 3处于断开状态， 其中按钮与感温玻璃泡 2接触的位 置是相适配的， 按钮开关 3 的一端设置有两组接线端子 5可与外部的火灾报警 器或者联动控制器或者控制中心连接， 以用作火灾报警或者启动灭火启动装置 或者反馈信号给控制中心。 Specifically, a cavity is opened in the middle of the base 4, and a button switch 3 is fixed in the cavity by a fastener, and a fixing hole is also formed on the base 4, and the base 4 can be fixed by a self-tapping screw or a expansion screw. On the ceiling or roof of the protection zone; a bracket 1 is coupled to the base 4 by screws, the support of the bracket 1 The top end is fastened with a temperature-sensitive glass bulb 2 by means of an adjusting screw, and the pressure and height of the temperature-sensitive glass bulb 2 can be adjusted by adjusting the screw. The temperature sensitive glass bulb 2 in this embodiment is made of a heat sensitive temperature material, the induction temperature is 57 ° C, and the bottom of the temperature sensitive glass bulb 2 extends to the upper surface of the push button switch 3, just against the push button switch 3 The button is such that the switch 3 is in an open state, wherein the position of the button in contact with the temperature sensing glass bulb 2 is matched, and one end of the button switch 3 is provided with two sets of terminal blocks 5 and an external fire alarm or linkage controller Or the control center is connected to be used as a fire alarm or to activate a fire extinguishing starter or feedback signal to the control center.
本实用新型工作原理如下： 当热敏感温玻璃泡 2探测到火灾后迅速破裂， 按钮开关 3失去感温玻璃泡 2的压力后弹起， 按钮开关 3的两组常闭开关 3接 通， 这两组开关 3信号通过接线端子 5将信号送达自动报警控制器或控制中心， 实现火灾探测控制和联动。 The working principle of the utility model is as follows: When the heat sensitive temperature glass bulb 2 detects rapid rupture after fire, the button switch 3 loses the pressure of the temperature sensitive glass bulb 2, and the two sets of normally closed switches 3 of the push button switch 3 are turned on. The two sets of switch 3 signals send signals to the automatic alarm controller or control center through the terminal 5 to realize fire detection control and linkage.
实施例 2 Example 2
本实施例中的感温玻璃泡 2的感应温度是 260°C。 按钮开关 3的接线端子 5 与灭火装置的控制器启动器连接， 构成独立的自动灭火系统。 其他的部件及其 联接关系同实施例 1。 The temperature of the temperature sensing glass bulb 2 in this embodiment was 260 °C. The terminal 5 of the push button switch 3 is connected to the controller starter of the fire extinguishing unit to form a separate automatic fire extinguishing system. The other components and their connections are the same as in the first embodiment.
上述的实施例仅是本实用新型的火灾探测控制装置的两种具体的实施方式， 但 是其不仅限于此， 本领域技术人员在没有做出创造性劳动的前提下所获得的所 有其他实施例， 都属于本实用新型保护的范围。
The above embodiments are only two specific embodiments of the fire detection control device of the present invention, but it is not limited thereto, and all other embodiments obtained by those skilled in the art without creative efforts are It belongs to the scope of protection of the utility model.
Claims
1、 一种火灾探测控制装置， 其特征在于： 所述装置包括底座 （4)， 在底座 (4) 的内腔设置开关 （3 )， 在底座 （4 ) 的上方设置有支架 （1 )， 感温玻璃泡 (2) 的顶端通过支架 （1 ) 支撑， 底端延伸至开关 （3 ) 的上表面使开关 （3 ) 保持断开状态。 1. A fire detection control device, characterized in that: the device includes a base (4), a switch (3) is provided in the inner cavity of the base (4), and a bracket (1) is provided above the base (4), The top end of the temperature-sensitive glass bulb (2) is supported by the bracket (1), and the bottom end extends to the upper surface of the switch (3) to keep the switch (3) in the off state.
2、 根据权利要求 1所述的火灾探测控制装置， 其特征在于： 所述开关 （3 ) 是按钮开关， 包括按钮， 所述感温玻璃泡 （2) 的底端延伸至按钮上， 使得按钮 被感温玻璃泡 （2) 压紧。 2. The fire detection control device according to claim 1, characterized in that: the switch (3) is a push button switch, including a button, and the bottom end of the temperature-sensitive glass bulb (2) extends to the button, so that the button It is pressed tightly by the temperature-sensitive glass bulb (2).
3、 根据权利要求 2所述的火灾探测控制装置， 其特征在于： 所述按钮开关 具有两组与外部连接的接线端子 （5)。 3. The fire detection control device according to claim 2, characterized in that: the push button switch has two sets of terminals (5) connected to the outside.
4、 根据权利要求 1或 2或 3所述的火灾探测控制装置， 其特征在于： 所述 底座 （4) 上加工有固定孔。 4. The fire detection control device according to claim 1 or 2 or 3, characterized in that: the base (4) is processed with fixing holes.
5、 根据权利要求 4所述的火灾探测控制装置， 其特征在于： 所述感温玻璃 泡 （2) 采用热敏感温材质， 其感应温度为 57°C~260°C。
5. The fire detection control device according to claim 4, characterized in that: the temperature-sensitive glass bulb (2) is made of heat-sensitive temperature material, and its sensing temperature is 57°C~260°C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220267645.8 | 2012-06-08 | ||
| CN 201220267645 CN202605593U (en) | 2012-06-08 | 2012-06-08 | Fire detection control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013182015A1 true WO2013182015A1 (en) | 2013-12-12 |
Family
ID=47339329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/076621 WO2013182015A1 (en) | 2012-06-08 | 2013-06-02 | Fire detecting and control apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202605593U (en) |
| WO (1) | WO2013182015A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2591586B (en) * | 2019-12-06 | 2022-04-13 | Project Fire Global Holdings Ltd | A detector for a fire alarm system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202605593U (en) * | 2012-06-08 | 2012-12-19 | 陕西坚瑞消防股份有限公司 | Fire detection control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0590235A1 (en) * | 1992-10-01 | 1994-04-06 | Total Walther Feuerschutz GmbH | Temperature sensor |
| CN2676315Y (en) * | 2003-12-19 | 2005-02-02 | 郝长喜 | Explosion proof type temperature sensing controller |
| CN100458855C (en) * | 2007-06-29 | 2009-02-04 | 石峥嵘 | Double-temperature composite sensing fire detector |
| CN202185102U (en) * | 2011-08-02 | 2012-04-11 | 陕西坚瑞消防股份有限公司 | Self-power generating fire detection starting device |
| CN202605593U (en) * | 2012-06-08 | 2012-12-19 | 陕西坚瑞消防股份有限公司 | Fire detection control device |
-
2012
- 2012-06-08 CN CN 201220267645 patent/CN202605593U/en not_active Expired - Lifetime
-
2013
- 2013-06-02 WO PCT/CN2013/076621 patent/WO2013182015A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0590235A1 (en) * | 1992-10-01 | 1994-04-06 | Total Walther Feuerschutz GmbH | Temperature sensor |
| CN2676315Y (en) * | 2003-12-19 | 2005-02-02 | 郝长喜 | Explosion proof type temperature sensing controller |
| CN100458855C (en) * | 2007-06-29 | 2009-02-04 | 石峥嵘 | Double-temperature composite sensing fire detector |
| CN202185102U (en) * | 2011-08-02 | 2012-04-11 | 陕西坚瑞消防股份有限公司 | Self-power generating fire detection starting device |
| CN202605593U (en) * | 2012-06-08 | 2012-12-19 | 陕西坚瑞消防股份有限公司 | Fire detection control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2591586B (en) * | 2019-12-06 | 2022-04-13 | Project Fire Global Holdings Ltd | A detector for a fire alarm system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202605593U (en) | 2012-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1750810B1 (en) | Device and method for protecting an object against fire | |
| CN201232854Y (en) | Household fuel gas leakage multiaspect control device | |
| EP1164335A4 (en) | Remote controller for air conditioner | |
| CN206833654U (en) | A kind of smoke alarm for reducing false alarm rate | |
| WO2016161885A1 (en) | Modular illumination device having multiple detection functions | |
| US20120032527A1 (en) | Thermogenerator arrangement, thermal switch, and method for operating an electrical device | |
| WO2013182015A1 (en) | Fire detecting and control apparatus | |
| US20080220384A1 (en) | Air quality sensor/interruptor | |
| CN212235718U (en) | Fire control unit who has fire alarm function based on thing networking | |
| WO2018051662A1 (en) | Automatic fire extinguishing device | |
| WO2016145972A1 (en) | Modular lighting device with multi-region detection function | |
| KR20150088020A (en) | Fire detection system | |
| CN208061387U (en) | A kind of cigarette sense detecting and warning system | |
| CN104658160A (en) | Multifunctional fire detection alarm apparatus and detection method thereof | |
| CN104425150A (en) | Intelligent smoke-alarm wall switch | |
| Liu et al. | Design of smart home control system based on embedded system | |
| CN202600534U (en) | An intelligent temperature and humidity controller | |
| CN106218503A (en) | Intelligent vehicle-carried child's guarding device, intelligent vehicle-carried child's safety-protection system and method for work thereof | |
| CN209691065U (en) | A kind of cigarette sensing control cigarette structure | |
| CN215961941U (en) | Temperature sensing glass ball electric initiator with starting feedback | |
| KR20130025173A (en) | Fire detection device | |
| KR20080092053A (en) | A multi-function switch | |
| CN205354262U (en) | Detecting device is felt to cigarette for fire control | |
| JP7278350B2 (en) | Cabinet equipped with dew condensation prevention mechanism and its dew condensation prevention control method | |
| CN212302693U (en) | Alarm device for fire fighting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13800981 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 13800981 Country of ref document: EP Kind code of ref document: A1 |