Non-stored-pressure perfluorohexanone fire extinguishing device with liquid level alarm function

Abstract

The utility model discloses a non-stored pressure perfluorohexanone fire extinguishing device with a liquid level alarm function, which relates to the technical field of fire fighting equipment, and comprises a fire extinguishing agent storage part, a liquid level sensor, a spray head assembly and a trigger assembly, the fire extinguishing agent storage part comprises a protective shell and a storage part, a containing cavity is arranged in the storage part, a push piston is arranged in the containing cavity, and the liquid level sensor is arranged in the containing cavity. The pushing piston divides the accommodating cavity into a storage cavity and a triggering cavity; the protection shell comprises a main shell, a first sealing cover and a second sealing cover, the storage part is arranged in the main shell, and the first sealing cover and the second sealing cover are arranged at the two ends of the main shell respectively; the first sealing cover is located on one side of the storage cavity of the storage part, the liquid level sensor and the spray head assembly are arranged on the first sealing cover, the second sealing cover is located on one side of the trigger cavity of the storage part, and the trigger assembly is arranged on the second sealing cover and communicated with the trigger cavity. The problem that an existing non-stored-pressure perfluorohexanone fire extinguishing device cannot detect the liquid level of a perfluorohexanone fire extinguishing agent is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field especially a kind of non-stored pressure perfluorohexanone fire extinguishing device with liquid level alarm function. BACKGROUND

[0002] Non-stored pressure perfluorohexanone fire extinguishing device is a kind of new fire extinguishing device specially for small space and specific space to carry out full submersion fire protection.The device is according to certain application condition, pre-assembled independent complete set of fire extinguishing equipment of fire extinguishing agent storage component, nozzle, gas generation driving component, can automatically explore fire extinguishing, also can be connected with fire control center, and automatic fire extinguishing is carried out by fire alarm controller linkage.

[0003] Non-stored pressure perfluorohexanone fire extinguishing device is realized by spraying perfluorohexanone fire extinguishing agent to extinguish fire, so it is necessary to ensure that perfluorohexanone fire extinguishing agent in non-stored pressure perfluorohexanone fire extinguishing device is sufficient to prevent the problem of insufficient fire extinguishing agent or even failure of non-stored pressure perfluorohexanone fire extinguishing device.There is no non-stored pressure perfluorohexanone fire extinguishing device that can detect the liquid level of perfluorohexanone fire extinguishing agent, so there is an urgent need for a non-stored pressure perfluorohexanone fire extinguishing device that can detect the liquid level of perfluorohexanone fire extinguishing agent.

[0004] In the utility model with application No. CN202420848102.8 and publication No. CN222172927U, a non-stored pressure perfluorohexanone fire extinguishing device is disclosed, which includes a driver, a housing below the driver, a fire extinguishing agent cylinder fixedly installed on the inner side of the housing, mounting holes opened on the upper and lower sides of the rear end of the housing, a lower head sealingly connected to the bottom end of the fire extinguishing agent cylinder, an upper head sealingly connected to the top end of the fire extinguishing agent cylinder, perfluorohexanone fire extinguishing agent filled in the fire extinguishing agent cylinder, and the driver inlaid and installed on the right side of the top end of the upper head. However, it still has the problem of being unable to detect the liquid level of perfluorohexanone fire extinguishing agent. UTILITY MODEL CONTENTS

[0005] Therefore, to solve the above problems, the utility model provides a non-stored pressure perfluorohexanone fire extinguishing device with liquid level alarm function, which can detect the liquid level of perfluorohexanone fire extinguishing agent.

[0006] The technical solution of the utility model is as follows:

[0007] The non-stored pressure perfluorohexanone fire extinguishing device with liquid level alarm function includes a fire extinguishing agent storage part, a liquid level sensor, a spray head assembly and a triggering assembly. The fire extinguishing agent storage part includes a protective shell and a storage part. The storage part is arranged in the protective shell. A containing cavity is arranged in the storage part. A push piston is arranged in the containing cavity. The push piston divides the containing cavity into a storage cavity and a triggering cavity. The storage cavity is used for storing perfluorohexanone fire extinguishing agent.

[0008] The protective shell comprises a main shell, a first cover and a second cover arranged at two ends of the main shell, a storage part arranged in the main shell, and the first cover and the second cover arranged at two ends of the main shell and detachably connected with the main shell;

[0009] The first cover is located at one side of a storage cavity of the storage part, a liquid level sensor and a spray head assembly are arranged on the first cover and communicate with the storage cavity, the liquid level sensor is used for detecting the liquid level of the perfluorocyclohexanone extinguishing agent in the storage cavity, and the spray head assembly is used for spraying the perfluorocyclohexanone extinguishing agent. The second cover is located at one side of a trigger cavity of the storage part, and a trigger assembly is arranged on the second cover and communicates with the trigger cavity.

[0010] Preferably, one end of the first cover can be inserted into the storage cavity and is inserted with the storage cavity, and the end of the first cover in contact with the inner side wall of the storage cavity is provided with a first sealing ring.

[0011] Preferably, the first cover is provided with a first mounting port for mounting the liquid level sensor, the first mounting port penetrates the first cover, one end of the liquid level sensor extends into the storage cavity through the first mounting port, and the liquid level sensor is fixedly connected with the first cover.

[0012] Preferably, the spray head assembly comprises an extinguishing agent spray head, an extinguishing agent diaphragm and a fixing ring, the first cover is provided with a second mounting port, the second mounting port communicates with the storage cavity, one end of the first cover is provided with a first nut matched with the second mounting port, the first nut is fixedly connected with the first cover, one end of the extinguishing agent spray head is threadedly connected with the first nut, one end of the first cover inserted into the storage cavity is provided with a threaded sleeve matched with the second mounting port, the extinguishing agent diaphragm is arranged in the threaded sleeve and gap-matched with the threaded sleeve, the fixing ring is arranged at one side of the extinguishing agent diaphragm, one end of the fixing ring can be screwed into the threaded sleeve for fixing the extinguishing agent diaphragm, and the fixing ring is threadedly connected with the threaded sleeve.

[0013] Preferably, the extinguishing agent diaphragm comprises a sealing diaphragm and a mounting ring, the sealing diaphragm is fixedly arranged in the mounting ring, one end of the mounting ring can be in contact with the first nut, and the other end of the mounting ring can be in contact with the fixing ring.

[0014] Preferably, one end of the second cover can be inserted into the trigger cavity and is inserted with the trigger cavity, and the end of the second cover in contact with the inner side wall of the trigger cavity is provided with a second sealing ring.

[0015] Preferably, the trigger assembly comprises a gas generating agent tube, a gas generating agent diaphragm and a connector, the gas generating agent tube is provided with a gas generating agent cavity for storing the gas generating agent, the gas generating agent cavity penetrates one end of the gas generating agent tube, the gas generating agent diaphragm is arranged at the end of the gas generating agent cavity penetrating the gas generating agent tube and detachably connected with the gas generating agent tube, the connector is arranged at the other end of the gas generating agent tube and fixedly connected with the gas generating agent tube, the connector is provided with a trigger wire, one end of the trigger wire penetrates the connector and extends into the gas generating agent cavity.

[0016] Preferably, the second cover is provided with a third mounting port in communication with the trigger cavity, one end of the second cover is provided with a second nut matched with the third mounting port and fixedly connected with the second cover, one end of the gas generating agent tube can extend into the trigger cavity through the second nut and the third mounting port, and the gas generating agent tube is threadedly connected with the second nut and gap-fitted with the second mounting port.

[0017] Preferably, the gas generating agent diaphragm comprises a sealing diaphragm and a mounting sleeve, the sealing diaphragm is arranged in the mounting sleeve and fixedly connected with the mounting sleeve, and one end of the mounting sleeve can be inserted into the gas generating agent cavity and threadedly connected with the gas generating agent tube.

[0018] Preferably, the first cover and the second cover are detachably connected with the main shell through bolts.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] The liquid level sensor is connected with the storage cavity storing the perfluorohexone extinguishing agent, so that the real-time monitoring of the liquid level of the perfluorohexone extinguishing agent in the storage cavity is realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structure schematic view of a non-pressure storage perfluorohexone extinguishing device with a liquid level alarm function according to an embodiment of the present application;

[0022] Figure 2 is a cross-sectional structure schematic view of a non-pressure storage perfluorohexone extinguishing device with a liquid level alarm function according to an embodiment of the present application;

[0023] Figure 3 is a local cross-sectional structure schematic view of an extinguishing agent storage part according to an embodiment of the present application;

[0024] Figure 4 is a structure schematic view of a liquid level sensor, a spray head assembly and a first cover according to an embodiment of the present application Figure 1;

[0025] Figure 5 is the structure schematic of the liquid level sensor, the nozzle assembly and the first cover in the embodiment of the utility model Figure 2 ;

[0026] Figure 6 is the local structure schematic of the liquid level sensor, the nozzle assembly and the first cover in the embodiment of the utility model

[0027] Figure 7 is the structure schematic of the extinguishing agent diaphragm in the embodiment of the utility model

[0028] Figure 8 is the structure schematic of the trigger assembly and the second cover in the embodiment of the utility model Figure 1 ;

[0029] Figure 9 is the structure schematic of the trigger assembly and the second cover in the embodiment of the utility model Figure 2 ;

[0030] Figure 10 is the structure schematic of the gas generating agent diaphragm in the embodiment of the utility model

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 10-extinguishing agent storage part, 100-protection shell, 101-storage part, 102-receiving cavity, 103-push piston, 104-storage cavity, 105-trigger cavity, 106-main shell, 107-first cover, 108-second cover, 109-first sealing ring, 110-first mounting port, 111-second mounting port, 112-first nut, 113-threaded sleeve, 114-second sealing ring, 115-third mounting port, 116-second nut, 20-liquid level sensor, 30-nozzle assembly, 300-extinguishing agent nozzle, 301-extinguishing agent diaphragm, 302-fixing ring, 303-sealing diaphragm, 304-mounting ring, 40-trigger assembly, 400-gas generating agent pipe, 401-gas generating agent diaphragm, 402-connection head, 403-gas generating agent cavity, 404-trigger line, 405-closed film, 406-mounting sleeve DETAILED DESCRIPTION

[0033] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0034] Embodiment

[0035] As Figures 1 to 4 , Figure 8To solve the above problems, the embodiment discloses a non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function, which comprises a fire extinguishing agent storage part 10, a liquid level sensor 20, a spray head assembly 30 and a trigger assembly 40.

[0036] The protection shell 100 comprises a main shell 106, a first cover 107 and a second cover 108 arranged at both ends of the main shell 106, the storage part 101 is arranged in the main shell 106, the first cover 107 and the second cover 108 are arranged at both ends of the main shell 106 respectively, and are detachably connected with the main shell 106.

[0037] The first cover 107 is located on one side of the storage cavity 104 of the storage part 101, the liquid level sensor 20 and the spray head assembly 30 are arranged on the first cover 107 and communicate with the storage cavity 104, the liquid level sensor 20 is used for detecting the liquid level of the perfluorohexanone fire extinguishing agent in the storage cavity 104, and the spray head assembly 30 is used for spraying the perfluorohexanone fire extinguishing agent, the second cover 108 is located on one side of the trigger cavity 105 of the storage part 101, and the trigger assembly 40 is arranged on the second cover 108 and communicates with the trigger cavity 105.

[0038] The liquid level sensor 20 is arranged in communication with the storage cavity 104 storing the perfluorohexanone fire extinguishing agent, so that the real-time monitoring of the liquid level of the perfluorohexanone fire extinguishing agent in the storage cavity 104 is realized.

[0039] The fire control center is a fire control center in the prior art, the liquid level sensor 20 is directly connected to the fire control center, so that the data transmitted by the liquid level sensor 20 can be received in the fire control center, and then a preset liquid level value is preset in the control terminal in the fire control center.

[0040] As Figure 5As shown, in order to improve the sealing performance of the storage cavity 104, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that one end of the first cover 107 can be inserted into the storage cavity 104 and is connected to the storage cavity 104. The end of the first cover 107 that contacts the inner wall of the storage cavity 104 is provided with a first sealing ring 109.

[0041] In use, the first sealing ring 109 effectively improves the sealing performance between the first cover 107 and the storage cavity 104, thereby improving the sealing performance of the storage cavity 104. The number of first sealing rings 109 can be at least one, or multiple, depending on the actual needs of the product size.

[0042] like Figure 2 As shown, in order to facilitate the installation of the liquid level sensor 20, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that the first cover 107 is provided with a first mounting port 110 for installing the liquid level sensor 20. The first mounting port 110 penetrates the first cover 107, and one end of the liquid level sensor 20 extends through the first mounting port 110 into the storage cavity 104. The liquid level sensor 20 is fixedly connected to the first cover 107.

[0043] When in use, the first mounting port 110 facilitates the installation of the liquid level sensor 20, allowing one end of the liquid level sensor 20 to extend into the storage cavity 104.

[0044] like Figure 2 , Figure 4 As shown, to facilitate the smooth discharge of perfluorohexanone extinguishing agent after triggering and to prevent the unauthorized discharge of perfluorohexanone extinguishing agent when not triggered, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that the nozzle assembly 30 includes an extinguishing agent nozzle 300, an extinguishing agent diaphragm 301, and a fixing ring 302. The first cover 107 is provided with a second mounting port 111, which communicates with the storage cavity 104. One end of the first cover 107 is provided with a first nut 112 that mates with the second mounting port 111. The nut 112 is fixedly connected to the first cover 107. One end of the extinguishing agent nozzle 300 is threadedly connected to the first nut 112. One end of the first cover 107 inserted into the storage cavity 104 is provided with a threaded sleeve 113 that mates with the second mounting port 111. The extinguishing agent membrane 301 is disposed in the threaded sleeve 113 and is clearance-fitted with the threaded sleeve 113. A fixing ring 302 is disposed on one side of the extinguishing agent membrane 301. One end of the fixing ring 302 can be screwed into the threaded sleeve 113 to fix the extinguishing agent membrane 301. The fixing ring 302 is threadedly connected to the threaded sleeve 113.

[0045] like Figure 7As shown, the extinguishing agent diaphragm 301 includes a sealing diaphragm 303 and a mounting ring 304. The sealing diaphragm 303 is fixedly disposed inside the mounting ring 304. One end of the mounting ring 304 can contact the first nut 112, and the other end can contact the fixing ring 302.

[0046] In use, the extinguishing agent diaphragm 301 is designed to ensure the smooth discharge of perfluorohexanone extinguishing agent after triggering, and to prevent the unauthorized discharge of perfluorohexanone extinguishing agent when not triggered.

[0047] like Figure 6 As shown, in order to improve the sealing performance of the trigger cavity 105, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that one end of the second cover 108 can be inserted into the trigger cavity 105 and is connected to the trigger cavity 105. The end of the second cover 108 that contacts the inner wall of the trigger cavity 105 is provided with a second sealing ring 114.

[0048] When in use, the setting of the second sealing ring 114 can effectively improve the sealing between the second cover 108 and the trigger cavity 105, thereby improving the sealing of the trigger cavity 105.

[0049] For ease of installation, the first cover 107 and the second cover 108 are detachably connected to the main housing 106 by bolts.

[0050] like Figures 8 to 10 As shown, in order to spray perfluorohexanone extinguishing agent, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that the triggering component 40 includes a gas-generating agent tube 400, a gas-generating agent diaphragm 401, and a connector 402. The gas-generating agent tube 400 is provided with a gas-generating agent cavity 403 for storing gas-generating agent. One end of the gas-generating agent cavity 403 passes through the gas-generating agent tube 400. The gas-generating agent diaphragm 401 is disposed at the end of the gas-generating agent cavity 403 that passes through the gas-generating agent tube 400 and is detachably connected to the gas-generating agent tube 400. The connector 402 is disposed at the other end of the gas-generating agent tube 400 and is fixedly connected to the gas-generating agent tube 400. A trigger line 404 is provided on the connector 402. One end of the trigger line 404 passes through the connector 402 and extends into the gas-generating agent cavity 403.

[0051] like Figure 2 As shown, the second cover 108 is provided with a third mounting port 115, which is connected to the trigger cavity 105. One end of the second cover 108 is provided with a second nut 116, which is configured to cooperate with the third mounting port 115 and is fixedly connected to the second cover 108. One end of the gas generating tube 400 can pass through the second nut 116 and the third mounting port 115 and extend into the trigger cavity 105. The gas generating tube 400 is threadedly connected to the second nut 116 and has a clearance fit with the second mounting port 111.

[0052] As shown in Figure 10 The gas generating agent film 401 includes a closed film 405 and a mounting sleeve 406, the closed film 405 is arranged in the mounting sleeve 406 and is fixedly connected with the mounting sleeve 406, and one end of the mounting sleeve 406 can be inserted into the gas generating agent cavity 403 and is threadedly connected with the gas generating agent pipe 400.

[0053] In use, the gas generating agent in the gas generating agent cavity 403 is triggered through the trigger wire 404, so that a large amount of gas is generated, the large amount of gas can break the closed film 405, so as to enter the trigger cavity 105, then drive the push piston 103 to move in the containing cavity 102, and then extrude the perfluorocyclohexanone extinguishing agent, the perfluorocyclohexanone extinguishing agent can break the sealing film 303 after being pressed, and then is sprayed from the extinguishing agent nozzle 300 to achieve fire extinguishing.

[0054] It should be noted that the trigger wire 404 includes a heat-sensitive wire and an electric ignition wire.

[0055] The working principle of the utility model is as follows:

[0056] The utility model discloses a liquid level sensor 20 is communicated with the storage cavity 104 of storing perfluorocyclohexanone extinguishing agent by setting liquid level sensor 20, realizes the real-time monitoring of perfluorocyclohexanone extinguishing agent liquid level in storage cavity 104.In use, only need to connect liquid level sensor 20 into the fire control center, can realize the real-time monitoring alarm function of perfluorocyclohexanone extinguishing agent liquid level.

[0057] The above-mentioned embodiment only expresses the specific implementation of the utility model, and the description is more specific and detailed, but can not be understood as the limitation of the patent range of the utility model. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of deformations and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function, characterized in that, The fire extinguishing agent storage part (10) includes a protection shell (100) and a storage part (101), the storage part (101) is arranged in the protection shell (100), the storage part (101) is provided with a containing cavity (102), the containing cavity (102) is provided with a push piston (103), the push piston (103) divides the containing cavity (102) into a storage cavity (104) and a trigger cavity (105), the storage cavity (104) is used for storing perfluorocyclohexanone fire extinguishing agent; The protection shell (100) includes a main shell (106), a first cover (107) and a second cover (108) arranged at both ends of the main shell (106), the storage part (101) is arranged in the main shell (106), the first cover (107) and the second cover (108) are arranged at both ends of the main shell (106) respectively, and are detachably connected with the main shell (106); The first cover (107) is located on one side of the storage cavity (104) of the storage part (101), the liquid level sensor (20) and the spray head assembly (30) are arranged on the first cover (107) and communicate with the storage cavity (104), the liquid level sensor (20) is used for detecting the liquid level of the perfluorocyclohexanone fire extinguishing agent in the storage cavity (104), and the spray head assembly (30) is used for spraying the perfluorocyclohexanone fire extinguishing agent, the second cover (108) is located on one side of the trigger cavity (105) of the storage part (101), and the trigger assembly (40) is arranged on the second cover (108) and communicates with the trigger cavity (105).

2. A non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 1, characterized in that, One end of the first cover (107) can be inserted into the storage cavity (104) and is inserted with the storage cavity (104), and the end of the first cover (107) in contact with the inner side wall of the storage cavity (104) is provided with a first sealing ring (109).

3. A non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 2, characterized in that, The first cover (107) is provided with a first mounting port (110) for mounting the liquid level sensor (20), the first mounting port (110) penetrates the first cover (107), one end of the liquid level sensor (20) extends into the storage cavity (104) through the first mounting port (110), and the liquid level sensor (20) is fixedly connected with the first cover (107).

4. A non-pressure-stored perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 2 or 3, characterized in that, The spray head assembly (30) comprises a fire extinguishing agent spray head (300), a fire extinguishing agent diaphragm (301) and a fixing ring (302), the first cover (107) is provided with a second mounting port (111) in communication with the storage cavity (104), one end of the first cover (107) is provided with a first nut (112) matched with the second mounting port (111), the first nut (112) is fixedly connected with the first cover (107), one end of the fire extinguishing agent spray head (300) is threadedly connected with the first nut (112), and one end of the first cover (107) inserted into the storage cavity (104) is provided with a threaded sleeve (113) matched with the second mounting port (111), the fire extinguishing agent diaphragm (301) is arranged in the threaded sleeve (113) and is matched with the threaded sleeve (113) in a gap, the fixing ring (302) is arranged on one side of the fire extinguishing agent diaphragm (301), one end of the fixing ring (302) can be screwed into the threaded sleeve (113) and is used for fixing the fire extinguishing agent diaphragm (301), and the fixing ring (302) is threadedly connected with the threaded sleeve (113).

5. A non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 4, characterized in that, The fire extinguishing agent diaphragm (301) comprises a sealing diaphragm (303) and a mounting ring (304), the sealing diaphragm (303) is fixedly arranged in the mounting ring (304), one end of the mounting ring (304) can be in contact with the first nut (112), and the other end can be in contact with the fixing ring (302).

6. A non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 5, characterized in that, One end of the second cover (108) can be inserted into the trigger cavity (105) and is inserted into the trigger cavity (105), and one end of the second cover (108) in contact with the inner side wall of the trigger cavity (105) is provided with a second sealing ring (114).

7. A non-pressure storage perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 6, characterized in that, The trigger assembly (40) comprises a gas generating agent pipe (400), a gas generating agent diaphragm (401) and a connecting head (402), the gas generating agent pipe (400) is provided with a gas generating agent cavity (403) therein, the gas generating agent cavity (403) is used for storing a gas generating agent, one end of the gas generating agent cavity (403) penetrates through the gas generating agent pipe (400), the gas generating agent diaphragm (401) is arranged at one end of the gas generating agent cavity (403) penetrating through the gas generating agent pipe (400) and is detachably connected with the gas generating agent pipe (400), the connecting head (402) is arranged at the other end of the gas generating agent pipe (400) and is fixedly connected with the gas generating agent pipe (400), the connecting head (402) is provided with a trigger wire (404), one end of the trigger wire (404) penetrates through the connecting head (402) and extends into the gas generating agent cavity (403).

8. A non-pressure stored perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 7, characterized in that, The second cover (108) is provided with a third mounting port (115) in communication with the trigger cavity (105), one end of the second cover (108) is provided with a second nut (116) matched with the third mounting port (115) and fixedly connected with the second cover (108), one end of the gas generating agent pipe (400) can extend into the trigger cavity (105) through the second nut (116) and the third mounting port (115), the gas generating agent pipe (400) is threadedly connected with the second nut (116) and is matched with the second mounting port (111) in a gap.

9. A non-pressure stored perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 8, characterized in that, The film patch (401) of the gas generating agent comprises a closed film (405) and a mounting sleeve (406), the closed film (405) is arranged in the mounting sleeve (406), and the closed film (405) is fixedly connected with the mounting sleeve (406); one end of the mounting sleeve (406) can be inserted into the gas generating agent cavity (403), and the mounting sleeve (406) is threadedly connected with the gas generating agent pipe (400).

10. A non-pressure stored perfluorohexanone fire extinguishing device with liquid level alarm function according to claim 1, characterized in that, The first cover (107) and the second cover (108) are detachably connected with the main shell (106) through bolts.

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