A tubular non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function

Abstract

A pipeline-type non-storage pressurized dry powder fire extinguishing device with moisture-proof and reliable ignition function, wherein the ignition components include an end cover plate, an end seal, an integrated seat body, a gas-producing powder block, a porous partition plate, a fire-connecting thermal wire, a sealing sleeve, an electric starting wire, an electric ignition head or a fuse and a sealing head; a cable row groove is provided on the integrated seat body, and multiple outer wall holes are connected to the cable row groove; a decompression notch is provided between the cable row groove and the core cavity; the fire-connecting thermal wire is arranged in the cable row groove and extends into the gas-producing powder block; the wire pressure plate presses and limits the fire-connecting thermal wire; the end cover plate is pressed onto the end face of the integrated seat body; the porous partition plate is arranged between the integrated seat body and the powder tank; in a non-use state, a sealing head is installed in the sealing quick connector; in a started state, a detonating tube is installed in the sealing quick connector, which can not only meet multi-point control and improve the success rate of ignition, but also realize the connection of multiple fire extinguishing devices and meet the needs of multi-point combined fire extinguishing in automobiles.

Description

Background Art

[0001] The invention relates to a pipeline type non-storage pressure dry powder fire extinguishing device for fire fighting in vehicle engine compartment, power battery compartment and other parts, belongs to the field of fire fighting equipment, and particularly relates to a medicine bin ignition component of the pipeline type dry powder fire extinguishing device. Technical Field

[0002] Pipeline non-storage pressure dry powder fire extinguishing devices are widely used for fire fighting in vehicle engine compartments, power battery compartments, etc. The structure of existing pipeline non-storage pressure dry powder fire extinguishing devices is as follows: Figure 1 As shown, this type of dry powder fire extinguishing device includes an ignition component, a medicine cup 12, a gas-generating medicine block 4, a sealing ring 13, a powder tank 14, dry powder 15, a pressure diaphragm 16, a sealing joint 17 and a dry powder release pipe 18.

[0003] Here’s how it works:

[0004] The ignition component is started to burn the gas-generating medicine block 4 placed in the medicine cup 12 to generate a large amount of gas. In this way, the inner cavity of the powder tank 14 can generate high pressure in a short time. At this time, the pressure diaphragm 16 is the weakest part of the entire inner cavity of the powder tank 14, and it will explode and crack. The dry powder 15 in the inner cavity of the powder tank 14 will enter the dry powder release pipe 18 through the crack, and then be sprayed out from the injection port opened on the side wall of the dry powder release pipe 18 to extinguish the fire.

[0005] It can be seen that the ignition component is one of the core components in the entire fire extinguishing device. It is a necessary condition for the fire extinguishing device to ignite the gas-producing powder block normally. The ignition reliability and stability of the ignition component directly affect whether the entire fire extinguishing device can work normally.

[0006] The key indicator that determines the ignition reliability and stability of the ignition component is the ignition success rate, and the factors that affect the ignition success rate are the moisture resistance of the fuse and the ignition reliability of the fuse.

[0007] In the existing dry powder fire extinguishing device, there are two structural types of ignition components. Figure 1 As shown, it includes an end cover plate 1, a sealing rubber plug 7, a sealing ring 13, a ignition thermistor wire 6, an electric starting wire 8 and an electric ignition head 9. The ignition thermistor wire 6 and the electric starting wire 8 are combined and fixed to the end cover plate 1 through the sealing rubber plug 7. The end cover plate 1 is fixed to the end surface of the medicine cup 12 through the sealing ring 13. One end of the ignition thermistor wire 6 is exposed to the outside, and the other end is arranged in the channel of the gas-producing medicine block 4 in the medicine cup 12 and contacts with the electric ignition head 9 and the gas-producing medicine block 4. One end of the electric starting wire 8 is exposed to the outside, and the other end is electrically connected to the electric ignition head 9.

[0008] In this type of fire extinguishing device, although the outside of the fire-connecting thermal-sensitive wire 6 is wrapped with a layer of waterproof film, which plays a certain waterproof role, the outer end of the closed-loop fire-connecting thermal-sensitive wire 6 is exposed to the outside. In the actual production and installation process, the exposed outer fire-connecting thermal-sensitive wire 6 needs to be bundled and docked with the fire-connecting thermal-sensitive wire 6 through accessories. At this time, the waterproof film of the fire-connecting thermal-sensitive wire 6 is very easy to be damaged. In this way, the external water vapor will enter the inside of the fire-connecting thermal-sensitive wire 6 from the outer end of the fire-connecting thermal-sensitive wire 6, making the entire fire-connecting thermal-sensitive wire 6 damp, and in severe cases, it will also cause the gas-generating medicine block 4 to be damp, thereby causing the fire-connecting success rate of the fire-connecting thermal-sensitive wire 6 to decrease.

[0009] On the other hand, since the electric ignition head 9 is in point contact with the fire-connecting thermal-sensitive wire 6, once the electric starting wire 8 fails, the entire fire-connecting thermal-sensitive wire 6 cannot be effectively ignited.

[0010] The second structural type is Figure 2 As shown, it includes an end cover plate 1, a sealing plug 7, a sealing ring 13, a ignition thermistor 6, an electric starting line 8, an electric ignition head 9 and a three-way pipe 19. Compared with the first structure, only a three-way pipe 19 is added on the outer side of the end cover plate 1, and the electric starting line 8 is electrically connected to the electric ignition head 9 and is placed in the hole of the three-way pipe 19. The ignition thermistor 6 passes through another channel of the three-way pipe 19 and extends into the gas-producing medicine block 4 through the sealing plug 7. Although this arrangement covers the exposed section of the ignition thermistor 6 with the three-way pipe 19, the part extending out of the three-way pipe 19 is still exposed, and the inner hole of the three-way pipe 19 is also connected to the outside. Compared with the first structure, although the moisture-proof performance is slightly better, it cannot completely solve the moisture-proof problem of the ignition thermistor 6 and the gas-producing medicine block 4, and the electric ignition head 9 and the ignition thermistor 6 are also in single-point contact. At the same time, since the ignition thermistor 6 and the gas-generating powder block 4 are screwed onto the end cover plate 1 using a three-way pipe 19 with an extremely small space, once the electric ignition head 9 is ignited, it will ignite the ignition thermistor 6. The intense combustion of the two will generate a large amount of heat in a short period of time. The narrow space inside the three-way pipe 19 cannot withstand the high-pressure airflow generated instantaneously when the electric ignition head 9 and the ignition thermistor 6 are burning, and the three-way pipe 19 is prone to explosion.

[0011] From the structures of the above two pipeline non-storage pressure dry powder fire extinguishing devices, it can be seen that although the structures of the two are different, the ignition reliability and stability of the ignition components are poor, which directly affects whether the entire fire extinguishing device can work normally. Summary of the invention

[0012] In order to overcome the above-mentioned shortcomings of the existing pipeline non-pressurized dry powder fire extinguishing device, the purpose of the present invention is to provide a pipeline non-pressurized dry powder fire extinguishing device with a moisture-proof and reliable ignition function. The ignition components of this pipeline non-pressurized dry powder fire extinguishing device have good sealing performance, the ignition thermistor and the gas-generating powder block will not be affected by moisture, and the ignition thermistor is provided with multiple ignition paths, which greatly improves the ignition success rate of the pipeline non-pressurized dry powder fire extinguishing device.

[0013] The technical solution adopted by the present invention is as follows:

[0014] A pipeline type non-storage pressure dry powder fire extinguishing device with moisture-proof and reliable ignition function includes an ignition component, and is characterized by: a fire-connected thermal sensitive wire, and further, three side wall holes are arranged on the side wall of the body at intervals corresponding to the cable grooves.

[0015] Furthermore, a connecting piece or a fuse of an electric ignition head and an electric starting wire is installed in the detonator.

[0016] Furthermore, a connector for an electric ignition head and an electric starting wire is provided in the detonator tube.

[0017] Furthermore, a fuse is installed in the detonator tube.

[0018] Furthermore, the connectors of the electric ignition heads and the electric starting wires are installed in the two detonating tubes, and the fuse is installed in the other detonating tube.

[0019] Furthermore, the fire-contacting thermal sensitive wire is folded in half and arranged in the cable groove.

[0020] Furthermore, the sealing ring seat hole is arranged at the center of the core chamber.

[0021] Furthermore, the shape of the sealing ring seat hole corresponds to the sealing rubber plug.

[0022] Effects of the Invention

[0023] Due to the improved design of the ignition component in the pipeline non-storage pressure dry powder fire extinguishing device, the ignition component includes an end cover plate, an end seal, an integrated seat body, a gas-generating powder block, a porous partition, a fire-connecting thermal sensitive wire, a sealing plug, an electric starting wire, an electric ignition head, a fuse and a sealing head. The integrated seat body includes a main body, a partition, a medicine bin, a core cavity, a sealing ring seat hole, a stopper, a cable groove, a pressure limiting notch, a wire pressure plate, a side wall hole and a sealing quick connector. An end medicine bin is provided at the lower end of the partition, and a core cavity is provided at the upper end of the partition. The sealing ring seat hole is provided on the partition and is located between the medicine bin and the core cavity. The cable groove is provided in the core cavity. A plurality of side wall holes are provided at intervals on the side wall of the main body corresponding to the cable groove. The side wall holes are communicated with the cable groove. The fire-connecting thermal sensitive wire is placed in the cable groove after being folded in half. The position of the wire pressure plate is limited to prevent The fire-connecting thermistor moves in the cable groove due to the action of unexpected force. The fire-connecting thermistor passes through the sealing rubber plug and a section extends into the gas-producing medicine block. A sealing quick connector is installed in each side wall hole. When not in use, a sealing head is inserted in each sealing quick connector, so as to prevent external water vapor from contacting the fire-connecting thermistor in the cable groove, thereby achieving the purpose of moisture and humidity prevention. When in use, the sealing head is pulled out according to actual needs, and detonating tubes containing different igniters are inserted respectively. The fire-connecting thermistor is ignited by the igniter, so that the gas-producing medicine block in the medicine bin burns to produce high-pressure gas. In this way, high pressure can be generated in the inner cavity of the powder tank in a short time. At this time, the pressure diaphragm will burst and crack, and the dry powder in the inner cavity of the powder tank will enter the dry powder release pipe through the crack, and then be sprayed out from the injection port opened on the side wall of the dry powder release pipe to extinguish the fire.

[0024] This structure can not only improve the success rate of ignition and ensure that the fire-connected thermistor in the cable groove can be effectively ignited when needed, but also start another ignition path when the selected ignition path fails to ignite. On the other hand, it can meet the multi-point control layout of unused fields, and can also realize the series or parallel connection of multiple dry powder fire extinguishing devices to achieve joint start-up and detonation, meeting the needs of multi-point joint fire extinguishing in the car.

[0025] In the present invention, a wire pressure plate cover is used to press above the wire groove and the side wall hole, with the purpose of forming a combustion-supporting chamber between the wire pressure plate and the wire groove. A pressure-limiting notch is provided between the combustion-supporting chamber and the core cavity, with the purpose of limiting the pressure in the combustion-supporting chamber, eliminating explosion caused by excessive pressure inside the combustion-supporting chamber, and improving the safety of the product startup stage.

[0026] The igniter placed in the detonator is a connector or fuse of the electric ignition head and the electric starting line. The gas-generating powder block is arranged in the medicine bin, the porous partition is arranged between the integrated seat body and the powder tank, the sealing head is inserted into each sealing quick connector, the end face sealing member is arranged in the stopper, and the end face cover plate is pressed on the end face of the integrated seat body.

[0027] This not only makes the arrangement of the ignition thermistor more regular and more reliable, but also increases the ignition path. All ignition paths are treated with moisture-proof treatment by the sealing head, and the ignition thermistor, electric starting wire, electric ignition head, fuse and generated powder block are treated with moisture-proof treatment by the end cover plate, end seal, sealing head and sealing ring. The water vapor in the air is in contact with the above objects, ensuring the success rate of one-time combustion of the ignition thermistor after ignition. Multiple ignition paths are added to increase the ignition path for the entire extinguishing device, ensuring effective startup when fire extinguishing is needed, and improving the integration and waterproof and moisture-proof performance of various objects in the ignition components. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the first pipeline type non-storage pressure dry powder fire extinguishing device;

[0029] Figure 2 It is a structural schematic diagram of the second pipeline type non-storage pressure dry powder fire extinguishing device;

[0030] Figure 3 It is a structural schematic diagram of the present invention;

[0031] Figure 4 It is a schematic diagram of the connection structure between the end face cover plate, the end face seal, the integrated seat body, the wire pressure plate, the sealing quick connector and the sealing head in the ignition component;

[0032] Figure 5 This is a schematic diagram of the distribution structure of the ignition thermal wire in the ignition component in the cable groove and the gas-generating powder block.

[0033] Figure 6 It is a cross-sectional structural diagram of the integrated seat body sealing rubber plug, gas generating medicine block and sealing quick connector combination;

[0034] Figure 7 It is a cross-sectional structural diagram of the integrated seat body and the sealing quick connector combination;

[0035] Figure 8 A schematic diagram of the structure of igniting the ignition thermal sensitive wire through three ignition paths to cause the gas generating charge to burn;

[0036] In the figure: 1-end cover plate; 2-end seal; 3-integrated seat body; 4-gas-generating charge block; 5-porous partition plate; 6-fire-connecting thermistor; 7-sealing rubber plug; 8-electric starting thread; 9-electric ignition head; 10-fuse; 11-sealing head; 12-cup; 13-sealing ring; 14-powder tank; 15-dry powder; 16-pressure diaphragm; 16-sealing joint; 18-dry powder release pipeline; 19-tee pipe; 30-body; 31-partition plate; 32-charge chamber; 33-core chamber; 34-sealing ring seat hole; 35-stop; 36-cable groove; 37-pressure-limiting notch; 38-thread pressure plate; 39-side wall hole; 40-sealed quick connector; 41-detonating tube. DETAILED DESCRIPTION

[0037] The present invention will be further described below in conjunction with the accompanying drawings and specific examples.

[0038] Implementation Example 1:

[0039] A pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function, such as Figure 3-Figure 8As shown, it includes an ignition component, a medicine cup 12, a sealing ring 13, a dry powder 15, a pressure diaphragm 16, a sealing joint 17, and a dry powder release pipe 18. The ignition component includes an end cover plate 1, an end seal 2, an integrated seat body 3, a gas-generating medicine block 4, a porous partition 5, a fire-connecting thermal sensitive wire 6, a sealing rubber plug 7, an electric starting wire 8, an electric ignition head 9 or a fuse 10 and a sealing head 11. The integrated seat body 3 includes a body 30, a partition 31, a medicine chamber 32, a core cavity 33, and a core cavity 34. , a sealing ring seat hole 34, a stopper 35, a cable groove 36, a pressure-limiting notch 37, a cable pressure plate 38, a side wall hole 39 and a sealing quick connector 40. The lower end of the partition 31 is provided with an end medicine bin 32, and the upper end of the partition 31 is provided with a core chamber 33. The sealing ring seat hole 34 is arranged at the center of the core chamber 33 and is located between the medicine bin 32 and the core chamber 33. The shape of the sealing ring seat hole 34 corresponds to the sealing rubber plug 7. The cable groove 36 is arranged in the core chamber 33. 0 is provided with three side wall holes 39 at intervals corresponding to the cable groove 36, the side wall holes 39 are communicated with the cable groove 36, the fire-connecting thermal sensitive wire 6 passes through the sealing rubber plug 7, one section is folded in half and arranged in the cable groove 36, and the other section extends to the gas-generating powder block 4, and a sealing quick connector 40 is installed in each side wall hole 39, and the wire pressing plate 38 is pressed on the cable groove 36 and the side wall hole 39 to form a combustion chamber inside, and the wire pressing plate 38 is pressed and fixed to the fire-connecting thermal sensitive wire 6, and the combustion chamber is formed. A pressure limiting notch 37 is provided between the core cavity 33, an end stopper 35 is provided on the upper end face of the body 30, a sealing rubber plug 7 is installed in the sealing ring seat hole 34, an end seal 2 is provided in the stopper 35, and the end cover plate 1 is pressed on the end face of the integrated seat body 3, a gas-generating medicine block 4 is provided in the medicine bin 32, a porous partition plate 5 is provided between the integrated seat body 3 and the powder tank 14, and in the non-use state (factory state), a sealing head 11 is provided in all the sealing quick connectors 40. In the starting state, different detonating tubes 41 are respectively provided in the three sealing quick connectors 40, a fuse 10 is provided in one detonating tube 41, and a connector of an electric ignition head 9 and an electric starting line 8 is provided in the other two detonating tubes 41.

[0040] Due to the improved design of the ignition component in the pipeline non-storage pressure dry powder fire extinguishing device, the ignition component includes an end cover plate 1, an end seal 2, an integrated seat body 3, a gas-generating medicine block 4, a porous partition 5, a fire-connecting thermal sensitive wire 6, a sealing rubber plug 7, an electric starting wire 8, an electric ignition head 9, a fuse 10 and a sealing head 11, and the integrated seat body 3 includes a main body 30, a partition 31, a medicine bin 32, a core cavity 33, a sealing ring seat hole 34, a stop 35, a cable groove 36, a pressure-limiting notch 37, a wire pressure plate 38, side wall holes 39 and sealing quick connectors 40, a medicine bin 32 is provided at the lower end of the partition 31, a core chamber 33 is provided at the upper end of the partition 31, a sealing ring seat hole 34 is provided on the partition 31, and is located between the medicine bin 32 and the core chamber 33, a cable groove 36 is provided in the core chamber 33, three side wall holes 39 are provided on the side wall of the body 30 corresponding to the cable groove 36, the side wall holes 39 are communicated with the cable groove 36, the fire-connecting thermal wire 6 passes through the sealing rubber plug 7, and a section is folded in half and placed in the cable groove 3 6, the line pressure plate 38 limits its position to prevent the fire-connecting thermistor line 6 from being displaced by accidental force in the cable groove 36. The other section extends into the gas-generating medicine block 4. A sealing quick connector 40 is installed in each side wall hole 39. When not in use, a sealing head 11 is inserted into each sealing quick connector 40 to prevent external water vapor from contacting the fire-connecting thermistor line 6 in the cable groove 36, thereby achieving the purpose of moisture and humidity prevention. When in use, the sealing head 11 is pulled out according to actual use needs. Insert detonating tubes 41 containing different igniters respectively, and ignite the fire-connected thermistor 6 through the igniters, so that the gas-generating medicine blocks 4 in the medicine bin 32 burn to generate high-pressure gas, so that the inner cavity of the powder tank 14 can generate high pressure in a short time. At this time, the pressure diaphragm 16 is the weakest part of the entire inner cavity of the powder tank 14, and it will explode and crack, and the dry powder 15 in the inner cavity of the powder tank 14 will enter the dry powder release pipe 18 through the crack, and then be sprayed out from the injection port opened on the side wall of the dry powder release pipe 18 to extinguish the fire.

[0041] Such a structure can not only improve the success rate of ignition and ensure that the fire-connected thermistor wire 6 in the cable groove 36 can be ignited when needed, but also start another ignition path when the selected ignition path fails to ignite. On the other hand, it can meet the multi-point control layout of unused fields, and can also realize the series or parallel connection of multiple dry powder fire extinguishing devices to achieve joint start-up and detonation, thereby meeting the needs of multi-point joint fire extinguishing in the car.

[0042] In the present invention, a wire pressure plate 38 is used to cover and press above the cable groove 36 and the side wall hole 39, with the purpose of forming a combustion chamber between the wire pressure plate 38 and the cable groove 36, and a pressure-limiting notch 37 is provided between the combustion chamber and the core cavity 33, with the purpose of limiting the pressure in the combustion chamber, eliminating the explosion caused by excessive pressure, and improving the safety of the product startup stage.

[0043] The igniter placed in the detonation tube 41 is a connector or a fuse 10 of an electric ignition head 9 and an electric starting line 8. The gas generating medicine block 4 is arranged in the medicine bin 32, the porous partition 5 is arranged between the integrated seat body 3 and the medicine cup 12, the sealing head 11 is inserted into each sealing quick connector 40, the end face sealing member 2 is arranged in the stop 35, and the end face cover plate 1 is pressed on the end face of the integrated seat body 3.

[0044] This not only makes the arrangement of the fire-connecting thermistor 6 in the cable groove 36 more regular and reliable, but also increases the ignition path. All ignition paths are treated with moisture-proof by the sealing head 11. The fire-connecting thermistor 6, the electric starting line 8, the electric ignition head 9, the fuse 10 and the generated medicine block 4 are treated with moisture-proof by the end cover plate 1, the end seal 2, the sealing head 11 and the sealing ring 13, which will prevent the water vapor in the air from contacting the above-mentioned objects, ensuring the success rate of the fire-connecting thermistor 6 to burn once after ignition. At the same time, multiple ignition paths are added to increase the ignition path for the entire fire extinguishing device. Such a structure can not only improve the success rate of ignition, but also ensure that the fire-connecting thermistor 6 in the cable groove 36 can be ignited when needed. When the selected ignition path fails to ignite, another ignition path can be started. On the other hand, it can meet the multi-point control layout of the unused field, and can also realize the series or parallel connection of multiple dry powder fire extinguishing devices to achieve joint start-up and detonation, meeting the needs of multi-point joint fire extinguishing in the car.

[0045] The present invention not only improves the integration and waterproof and moisture-proof performance of various objects in the ignition component, but also ensures that it can be effectively started when fire extinguishing is needed. It can also meet the multi-point control layout in non-use occasions, and realize the joint start-up and detonation of multiple dry powder fire extinguishing devices with different connection methods, meeting the needs of multi-point joint fire extinguishing in the car.

[0046] After the water spray and atomization test, the present invention was subjected to a 10-minute water spray test using a water spray faucet, and the present invention was still able to successfully ignite and start at one time.

[0047] After being stored at a relative humidity of 98% for 30 days, it can still be successfully ignited and started once.

[0048] Ignition at different ignition points can all be successfully ignited and started at one time.

[0049] There are many embodiments of the present invention. As long as the ignition component adopts a waterproof and moisture-proof and ignition efficiency improvement solution that is equivalent to the technical solution of the present invention, it falls within the protection scope of the present invention.

Claims

1. A pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function, including an ignition component, characterized by: The ignition component comprises an end cover plate (1), an end seal (2), an integrated seat body (3), a gas-generating powder block (4), a porous partition (5), a fire-connecting thermal sensitive wire (6), a sealing rubber plug (7), an electric starting wire (8), an electric ignition head (9) or a fuse (10) and a sealing head (11); the integrated seat body (3) comprises a main body (30), a partition (31), a medicine bin (32), a core cavity (33), a sealing ring seat hole (34), a stopper (35), a cable groove (36), a pressure-limiting notch (37), a wire pressure plate (38) and a sealing head (11). ), a side wall hole (39) and a sealing quick connector (40), a medicine bin (32) is provided at the lower end of the partition (31), a core chamber (33) is provided at the upper end of the partition (31), a sealing ring seat hole (34) is provided on the partition (31) and is located between the medicine bin (32) and the core chamber (33), a cable row groove (36) is provided in the core chamber (33), and more than two side wall holes (39) are provided at intervals on the side wall of the body (30), the side wall holes (39) correspond to and communicate with the cable row groove (36), and a sealing ring is installed in each side wall hole (39). The sealing quick connector (40) has a pressure limiting notch (37) between the cable groove (36) and the core chamber (33). The fire-connecting thermal sensitive wire (6) passes through the sealing rubber plug (7), one section of which is arranged in the cable groove (36). The wire pressure plate (38) is pressed on the cable groove (36) and the side wall hole (39). The fire-connecting thermal sensitive wire (6) is pressed and limited by the wire pressure plate (38). The other section of the fire-connecting thermal sensitive wire (6) extends into the gas-generating medicine block (4). The pressure limiting notch (37) is provided between the cable groove (36) and the core chamber (33). The sealing rubber plug (7) The invention is installed in the sealing ring seat hole (34), the end face stopper (35) is arranged on the upper end face of the main body (30), the end face sealing member (2) is arranged in the stopper (35), and the end face cover plate (1) is pressed on the end face of the integrated seat body (3), the gas generating medicine block (4) is arranged in the medicine bin (32), the porous partition plate (5) is arranged between the integrated seat body (3) and the powder tank (14), in the non-use state, the sealing head (11) is installed in the sealing quick connector (40), and in the start-up state, the detonating tube (41) is installed in the sealing quick connector (40).

2. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 1 is characterized in that: Three side wall holes (39) are arranged on the side wall of the body (30) at intervals corresponding to the cable row grooves (36).

3. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 1 is characterized in that: The detonator tube (41) is provided with a connecting piece or a fuse (10) of an electric ignition head (9) and an electric starting wire (8).

4. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 3 is characterized in that: The detonator (41) is provided with a connecting piece for an electric ignition head (9) and an electric starting line (8).

5. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 3 is characterized in that: A fuse (10) is installed in the detonator tube (41).

6. The pipeline type non-storage pressure dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 2 is characterized in that: The two detonators (41) are provided with connecting parts of an electric ignition head (9) and an electric starting wire (8), and the other detonator (41) is provided with a fuse (10).

7. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 1 is characterized in that: The fire-contacting heat-sensitive wire (6) is folded in half and arranged in the cable arrangement groove (36).

8. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 1 is characterized in that: The sealing ring seat hole (34) is arranged at the center of the core accommodating cavity (33).

9. The pipeline type non-storage dry powder fire extinguishing device with moisture-proof and reliable ignition function according to claim 1 is characterized in that: The shape of the sealing ring seat hole (34) corresponds to that of the sealing rubber plug (7).

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