Double-control alarm switch

Abstract

The utility model relates to the technical field of fire-fighting equipment, in particular to a double-control alarm switch which comprises a temperature control assembly and a manual operation assembly, the temperature control assembly comprises an insulating seat, magnesium oxide powder is embedded in the insulating seat, a first conductive cylinder is embedded at one end in the insulating seat, and a second conductive cylinder is embedded at the other end in the insulating seat. A first butt joint column is embedded in the other end of the interior of the insulating base, a fuse wire is welded between the first butt joint column and the first conductive cylinder located in the magnesium oxide powder, and a heat conduction cover plate is fixed to the top of the insulating base through bolts. A manual operation assembly is arranged at one end of the insulating seat; the fuse wire is fused by high temperature generated when a fire occurs through the heat conduction cover plate and the magnesium oxide powder, the current between the first electric conduction barrel and the first butt joint column is cut off, the pressing switch is pressed to enable the magnetic iron sleeve to attract the iron column into the iron sleeve, the current between the second butt joint column and the second electric conduction barrel is cut off, and then the fire is extinguished. And fire signal transmission can be carried out in a mode of disconnecting current.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a double-control alarm switch. Background Art

[0002] Firefighting equipment refers to equipment used for fire extinguishing, fire prevention and fire accidents. Common firefighting equipment includes: portable fire extinguishers, fire blankets, smoke masks, escape ropes, descenders, fire alarms, etc. There are many types of fire alarms, such as high temperature alarms, smoke alarms, manual pressure alarms, etc.

[0003] Fire alarms are generally installed in places where people often go, such as walkways and stairways. When a fire occurs, it can sound an alarm and flash a light to alert people on the scene. Existing fire alarms are all single-trigger type. Therefore, a double-control alarm switch is proposed, which integrates high temperature and manual pressure. The dual-trigger design can alarm by high temperature or human pressure when a fire occurs. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides a dual-control alarm switch, which integrates high temperature and manual pressure and has a dual trigger design. When a fire occurs, an alarm can be sounded by high temperature or manual pressure.

[0005] The technical solution adopted by the utility model to solve the technical problem is a double-control alarm switch, including a temperature control component and a manual operation component, the temperature control component includes an insulating seat, magnesium oxide powder is embedded in the insulating seat, a first conductive cylinder is embedded in one end of the insulating seat, a first docking column is embedded in the other end of the insulating seat, a fuse is welded between the first docking column and the first conductive cylinder located in the magnesium oxide powder, and a heat-conducting cover plate is fixed to the top of the insulating seat by bolts;

[0006] A manual operation component is provided at one end of the insulating seat, and the manual operation component includes an insulating tube, a second docking column is embedded at one end of the insulating tube, and a second conductive tube is embedded at the other end of the insulating tube. An insulating sleeve is fixed to the bottom of the insulating tube by bolts, an iron sleeve is fixed inside the insulating sleeve, an electromagnetic coil is sleeved on the outside of the iron sleeve, an iron column is sleeved on the top of the iron sleeve, and a compression spring is clamped and fixed between the iron column and the iron sleeve.

[0007] By adopting the above technical solution, the high temperature generated when a fire occurs will melt the fuse through the heat-conductive cover plate and the magnesium oxide powder, thereby disconnecting the current between the first conductive tube and the first docking column. The magnetic iron sleeve will absorb the iron column into the inside, thereby disconnecting the current between the second docking column and the second conductive tube. Fire signal transmission can be performed by disconnecting the current.

[0008] Specifically, a first screw is sleeved on the top of the insulating seat, a bottom end of the first screw is located inside the first conductive cylinder, and a rubber sealing sleeve is sleeved on one end of the first conductive cylinder located outside the insulating seat.

[0009] Specifically, the heat-conducting cover plate is made of graphene material, and the fuse is made of metallic potassium material.

[0010] Specifically, a push switch is installed on one side of the insulating tube through a mounting seat, and a current output end of the push switch is electrically connected to a current input end of the electromagnetic coil through a power supply.

[0011] Specifically, a thread groove is provided at one end of the first docking column, and an external thread column is provided at one end of the second docking column.

[0012] Specifically, a second screw is sleeved on the top of the insulating tube, and the bottom end of the second screw is located in the second conductive cylinder.

[0013] Beneficial effects of the utility model:

[0014] (1) In the double-control alarm switch described in the utility model, when a fire occurs, a person can press the push switch to supply power to the electromagnetic coil. After the electromagnetic coil is energized, the iron casing generates magnetism, which adsorbs the iron column into the iron casing, disconnecting the second docking column and the second conductive tube, thereby disconnecting the current between the second docking column and the second conductive tube, and transmitting the fire signal by disconnecting the current.

[0015] (2) In the dual-control alarm switch described in the utility model, when a fire occurs, the heat-conducting cover plate made of graphene material absorbs high temperature and conducts it to the fuse through magnesium oxide powder. The fuse made of metal potassium material has a low melting point and will be melted by the high temperature when a fire occurs, thereby disconnecting the current between the first conductive tube and the first docking column, and transmitting the fire signal by disconnecting the current. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the temperature control component structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the manual operation component of the utility model;

[0020] In the figure: 1. Temperature control component; 101. Insulation seat; 102. Magnesium oxide powder; 103. Fuse; 104. Heat-conducting cover; 105. First conductive tube; 106. First docking column; 107. First screw; 108. Threaded groove; 109. Rubber sealing sleeve; 2. Manual operation component; 201. Insulation tube; 202. Second docking column; 203. Second conductive tube; 204. Insulation sleeve; 205. Iron sleeve; 206. Compression spring; 207. Electromagnetic coil; 208. Iron column; 209. External threaded column; 210. Second screw; 3. Push switch. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] It integrates high temperature and manual pressure, and has a dual trigger design. When a fire occurs, it can alarm by high temperature or manual pressure. Figure 1-3 As shown, a dual-control alarm switch described in the utility model comprises a temperature control component 1 and a manual operation component 2, wherein the temperature control component 1 comprises an insulating seat 101, wherein magnesium oxide powder 102 is embedded in the insulating seat 101, wherein a first conductive cylinder 105 is embedded in one end of the insulating seat 101, wherein a first docking column 106 is embedded in the other end of the insulating seat 101, wherein a fuse 103 is welded between the first docking column 106 and the first conductive cylinder 105 located in the magnesium oxide powder 102, and a heat-conducting cover plate 104 is fixed to the top of the insulating seat 101 by bolts;

[0023] A manual operation component 2 is provided at one end of the insulating seat 101, and the manual operation component 2 includes an insulating tube 201, a second docking column 202 is embedded at one end of the insulating tube 201, and a second conductive tube 203 is embedded at the other end of the insulating tube 201. An insulating sleeve 204 is fixed to the bottom of the insulating tube 201 by bolts, an iron sleeve 205 is fixed inside the insulating sleeve 204, an electromagnetic coil 207 is sleeved on the outside of the iron sleeve 205, an iron column 208 is sleeved on the top of the iron sleeve 205, and a compression spring 206 is clamped and fixed between the iron column 208 and the iron sleeve 205.

[0024] When in use, the high temperature generated when a fire occurs melts the fuse 103 through the heat-conducting cover 104 and the magnesium oxide powder 102, disconnecting the current between the first conductive tube 105 and the first docking column 106, and the magnetic iron sleeve 205 absorbs the iron column 208 into it, disconnecting the current between the second docking column 202 and the second conductive tube 203, so that the fire signal can be transmitted by disconnecting the current.

[0025] For example, Figure 2 As shown, the utility model also includes that a first screw 107 is sleeved on the top of the insulating seat 101, the bottom end of the first screw 107 is located inside the first conductive cylinder 105, and one end of the first conductive cylinder 105 located outside the insulating seat 101 is sleeved with a rubber sealing sleeve 109.

[0026] When in use, one end of the power cord is inserted into the first conductive cylinder 105 , and the first screw 107 is tightened to fix it, and the rubber sealing sleeve 109 can seal between the power cord and the first conductive cylinder 105 .

[0027] For example, Figure 2 As shown, the utility model also includes that the heat-conducting cover plate 104 is made of graphene material, and the fuse 103 is made of metallic potassium material.

[0028] When in use, the heat-conducting cover plate 104 made of graphene material has strong heat conductivity, and the fuse 103 made of metallic potassium material has a low melting point.

[0029] For example, Figure 3 As shown, the utility model also includes that a push switch 3 is installed on one side of the insulating tube 201 through a mounting seat, and the current output end of the push switch 3 is electrically connected to the current input end of the electromagnetic coil 207 through a power supply.

[0030] When in use, pressing the push switch 3 can provide power to the electromagnetic coil 207.

[0031] For example, Figure 2 , Figure 3 As shown, the utility model also includes that a thread groove 108 is provided at one end of the first docking column 106 , and an external thread column 209 is provided at one end of the second docking column 202 .

[0032] When in use, the arrangement of the thread groove 108 and the external thread column 209 facilitates the connection between the second docking column 202 and the first docking column 106 .

[0033] For example, Figure 3 As shown, the utility model further includes that a second screw 210 is sleeved on the top of the insulating tube 201 , and the bottom end of the second screw 210 is located in the second conductive cylinder 203 .

[0034] When in use, tightening the second screw rod 210 can fix the power cord inserted into the second conductive cylinder 203 .

[0035] When the utility model is used, personnel use bolts to install the device at locations such as building walkways, stairways, and walls, and use power lines to connect the device to external alarm equipment. Under normal circumstances, current flows through the first conductive cylinder 105, the fuse 103, the first docking column 106, the second docking column 202, the iron column 208, and the second conductive cylinder 203;

[0036] The compression spring 206 pushes the iron column 208 to be inserted between the second docking column 202 and the second conductive tube 203, so that current can flow on the second docking column 202 and the second conductive tube 203. When a fire occurs, a person can press the push switch 3 to power the electromagnetic coil 207. After the electromagnetic coil 207 is energized, the iron sleeve 205 generates magnetism, and the iron column 208 is adsorbed into the iron sleeve 205, so that the second docking column 202 and the second conductive tube 203 are disconnected, thereby disconnecting the current between the second docking column 202 and the second conductive tube 203, and transmitting the fire signal by disconnecting the current.

[0037] When a fire occurs, the heat-conducting cover plate 104 made of graphene material absorbs high temperature and conducts it to the fuse 103 through the magnesium oxide powder 102. The fuse 103 made of metallic potassium material has a low melting point and will be melted by the high temperature when a fire occurs, thereby disconnecting the current between the first conductive tube 105 and the first docking column 106, and transmitting the fire signal by disconnecting the current.

[0038] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A double-control alarm switch, characterized in that: The invention comprises a temperature control component (1) and a manual operation component (2), wherein the temperature control component (1) comprises an insulating seat (101), magnesium oxide powder (102) is embedded in the insulating seat (101), a first conductive tube (105) is embedded in one end of the insulating seat (101), a first docking column (106) is embedded in the other end of the insulating seat (101), a fuse (103) is welded between the first docking column (106) and the first conductive tube (105) located in the magnesium oxide powder (102), and a heat-conducting cover plate (104) is fixed to the top of the insulating seat (101) by bolts; A manual operation component (2) is provided at one end of the insulating seat (101), and the manual operation component (2) comprises an insulating tube (201), a second docking column (202) is embedded in one end of the insulating tube (201), a second conductive tube (203) is embedded in the other end of the insulating tube (201), an insulating sleeve (204) is fixed to the bottom of the insulating tube (201) by bolts, an iron sleeve (205) is fixedly provided inside the insulating sleeve (204), an electromagnetic coil (207) is sleeved on the outside of the iron sleeve (205), an iron column (208) is sleeved on the top end of the iron sleeve (205), and a compression spring (206) is clamped and fixed between the iron column (208) and the iron sleeve (205).

2. A dual-control alarm switch according to claim 1, characterized in that: A first screw rod (107) is sleeved on the top of the insulating seat (101); the bottom end of the first screw rod (107) is located inside the first conductive cylinder (105); and a rubber sealing sleeve (109) is sleeved on one end of the first conductive cylinder (105) located outside the insulating seat (101).

3. A dual-control alarm switch according to claim 1, characterized in that: The heat-conducting cover plate (104) is made of graphene material, and the fuse (103) is made of metallic potassium material.

4. A dual-control alarm switch according to claim 1, characterized in that: A push switch (3) is mounted on one side of the insulating tube (201) via a mounting seat, and a current output end of the push switch (3) is electrically connected to a current input end of the electromagnetic coil (207) via a power supply.

5. A dual-control alarm switch according to claim 1, characterized in that: A thread groove (108) is provided at one end of the first docking column (106), and an external thread column (209) is provided at one end of the second docking column (202).

6. A dual-control alarm switch according to claim 1, characterized in that: A second screw rod (210) is sleeved on the top of the insulating tube (201), and the bottom end of the second screw rod (210) is located inside the second conductive cylinder (203).

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