Ceramic wrapping type multi-stage ignition system

Abstract

The utility model discloses a ceramic package type multi-stage ignition system, which relates to the field of ceramic igniters and comprises an ignition seat, an ignition disc fixed at the top end of the ignition seat and a gas supply pipe mounted in the ignition seat and connected with the ignition disc, the bottom end of the ignition seat is in threaded insertion connection with an igniter main body, and a power supply seat is fixed at the bottom of the ignition seat. Metal ignition rods are symmetrically arranged at the top end of the igniter body, the igniter body is fixed to the power supply base through a clamping mechanism, and a first-stage ignition pipe located above the metal ignition rods is fixed to the end, extending into the ignition base, of the gas supply pipe. After gas in the first-stage ignition tube is ignited through the metal ignition rod, combustion flames ignite gas in the first gas outlet tube and the second gas outlet tube respectively, the range of the combustion flames in the first-stage ignition tube is far larger than that of electric sparks generated by the metal ignition rod, and the ignition efficiency of the ignition disc is improved; and the risk of gas leakage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ceramic igniter, specifically to a ceramic wrapped multistage ignition system. BACKGROUND

[0002] The ceramic igniter is a kind of ignition device made of ceramic material, and the ceramic igniter mainly makes ceramic components reach high temperature state by electric heating, so as to ignite the surrounding fuel. Its working voltage is generally between 100V and 240VAC, and the power varies from several tens of watts to several hundred watts, which can be quickly heated to 800 DEG C to 1200 DEG C or even higher in a short time. Compared with traditional metal sheath products, the ceramic igniter has higher temperature and shorter ignition time, and the use environment of the ceramic igniter includes natural gas water heater, fireplace, swimming pool burner, etc., which can be used as an ignition device to ensure reliable ignition of gas.

[0003] At present, since the gas outlet position on the gas disc is constant, the ceramic igniter is embedded in the gas disc and is difficult to correspond to the gas outlet, and the ceramic igniter has a certain distance from the gas outlet, so the gas in the gas outlet often needs to contact the ceramic igniter to complete ignition after a certain time of starting of the ceramic igniter, thus causing gas leakage. SUMMARY

[0004] Therefore, the utility model provides a ceramic wrapped multistage ignition system to solve the technical problem that the gas in the gas outlet can contact the ceramic igniter to complete ignition after a certain time of starting of the ceramic igniter, thus causing gas leakage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a ceramic wrapped multistage ignition system, comprising an ignition seat, an ignition disc fixed at the top end of the ignition seat and a gas supply pipe installed in the ignition seat and connected with the ignition disc, the bottom end of the ignition seat is screw-threadedly inserted with an igniter main body, and the bottom of the ignition seat is fixed with a power supply seat, the top end of the igniter main body is symmetrically provided with a metal ignition rod, and the igniter main body is fixed with the power supply seat through a clamping mechanism, and one end of the gas supply pipe extending into the ignition seat is fixed with a first-stage ignition pipe located above the metal ignition rod.

[0006] The utility model is further provided with a control valve installed on the gas supply pipe, and the bottom end of the first-stage ignition pipe is provided with a solenoid valve.

[0007] The utility model is further provided with a plurality of first gas outlet pipes installed in the inner wall of the ignition disc in annular array, and a plurality of second gas outlet pipes are arranged in annular array at the top end of the ignition disc.

[0008] The utility model further sets up, the contact mechanism includes fixed in the power supply seat side wall's conducting seat and is inserted in the conducting block in conducting seat, the conducting seat inlay fixed has the battery.

[0009] The utility model further sets up, the top of igniter main part is fixed with the ceramic package part of setting on two metal ignition rods, and the bottom of igniter main part is fixed with conducting block through the wire.

[0010] The utility model further sets up, both ends of conducting block all are fixed with elastic plate, the side wall of elastic plate is installed with protruding portion.

[0011] The utility model further sets up, both ends of conducting seat all are set up with the clamping slot, two elastic plate are inserted in the wire seat and are in accord with, protruding portion is clamped and fixed in the clamping slot.

[0012] Summarized above, the utility model mainly has following beneficial effect: the utility model installs the first stage ignition pipe corresponding with metal ignition rod on the gas supply pipe, when igniting, the gas in gas supply pipe directly discharges from the first stage ignition pipe, another part circulates in the ignition disc and discharges from the first gas outlet pipe and the second gas outlet pipe respectively, the gas directly discharged from the first stage ignition pipe is earlier than the gas discharged through the ignition disc, after metal ignition rod ignites the gas in the first stage ignition pipe, the burning flame ignites the gas in the first gas outlet pipe and the second gas outlet pipe respectively, the flame range of burning in the first stage ignition pipe is much larger than the electric spark of metal ignition rod, improves the ignition efficiency of ignition disc, reduces the leakage risk of gas, through the bottom fixed with power supply seat of ignition seat, the conducting block on igniter main part is inserted in the conducting seat of power supply seat side wall, the protruding portion on elastic plate is inlayed in the clamping slot and makes conducting block and conducting seat keep fixed, after extruding protruding portion from the clamping slot from the side wall of conducting seat, makes conducting block pull out from conducting seat, and twists down igniter main part from the bottom of ignition seat, convenient for the disassembly and replacement of igniter main part. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is another angle structure schematic diagram of the utility model;

[0015] Figure 3 It is the cross section structure schematic diagram of ignition seat of the utility model;

[0016] Figure 4 It is the utility model Figure 3 It is the structure enlarged schematic diagram of A place in the utility model;

[0017] Figure 5 It is the utility modelFigure 3 Enlarged schematic diagram of the structure at point B.

[0018] In the diagram: 1. Ignition base; 2. Ignition plate; 3. Gas supply pipe; 4. Control valve; 5. Ignition unit body; 6. Power supply base; 7. Battery; 8. Ceramic coating; 9. First gas outlet pipe; 10. Second gas outlet pipe; 11. Slot; 12. Protrusion; 13. Conductive block; 14. Elastic plate; 15. Conductive base; 16. Primary ignition tube; 17. Solenoid valve; 18. Metal ignition rod. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0020] A ceramic-encapsulated multi-stage ignition system, such as Figures 1-5 As shown, it includes an ignition base 1, an ignition disc 2 fixed to the top of the ignition base 1, and a gas supply pipe 3 installed in the ignition base 1 and connected to the ignition disc 2. An igniter body 5 is threaded into the bottom of the ignition base 1, and a power supply base 6 is fixed to the bottom of the ignition base 1. Metal ignition rods 18 are symmetrically arranged at the top of the igniter body 5, and the igniter body 5 is fixed to the power supply base 6 by a snap-fit ​​mechanism. A primary ignition tube 16 located above the metal ignition rod 18 is fixed to one end of the gas supply pipe 3 that extends into the ignition base 1.

[0021] A control valve 4 is installed on the gas supply pipe 3. A solenoid valve 17 is installed at the bottom end of the primary ignition pipe 16. After ignition is completed, the solenoid valve 17 is closed to extinguish the flame in the primary ignition pipe 16. Multiple first gas outlet pipes 9 are installed in a ring array on the inner wall of the ignition plate 2, and multiple second gas outlet pipes 10 are installed in a ring array on the top of the ignition plate 2. The snap-fit ​​mechanism includes a conductive seat 15 fixed to the side wall of the power supply base 6 and a conductive block 13 inserted into the conductive seat 15. A storage battery 7 is embedded in the conductive seat 15. During ignition, part of the gas in the gas supply pipe flows out from the first gas outlet pipe 16. The gas is directly discharged through the primary ignition tube 16, while the other part circulates in the ignition plate 2 and is discharged through the first outlet pipe 9 and the second outlet pipe 10 respectively. The gas discharged directly through the primary ignition tube 16 is earlier than the gas discharged through the ignition plate 2. After the metal ignition rod 18 ignites the gas in the primary ignition tube 16, the flame of combustion then ignites the gas in the first outlet pipe 9 and the second outlet pipe 10 respectively. The flame range of combustion in the primary ignition tube 16 is much larger than the electric spark generated by the metal ignition rod 18, which improves the ignition efficiency of the ignition plate 2 and reduces the risk of gas leakage.

[0022] Further, the top end of the igniter body 5 is fixed with a ceramic wrapping part 8 sleeved on the two metal ignition rods 18, and the bottom end of the igniter body 5 is fixed with the conductive block 13 through a wire, both ends of the conductive block 13 are fixed with the elastic plates 14, the side wall of the elastic plate 14 is installed with the protruding part 12, both ends of the conductive seat 15 are provided with the clamping grooves 11, the two elastic plates 14 are inserted in the wire seat, the protruding part 12 is clamped and fixed in the clamping groove 11, the conductive block 13 on the igniter body 5 is inserted into the conductive seat 15 of the side wall of the power supply seat 6, the protruding part 12 on the elastic plate 14 is embedded in the clamping groove 11 to keep the conductive block 13 fixed with the conductive seat 15, the protruding part 12 is squeezed out of the clamping groove 11 from the side wall of the conductive seat 15, the conductive block 13 is pulled out of the conductive seat 15, and the igniter body 5 is screwed off from the bottom of the ignition seat 1, so that the igniter body 5 is convenient to disassemble and replace.

[0023] The working principle of the utility model is: when in use, open the control valve 4 and start the igniter body 5, when igniting, part of the gas in the gas supply pipe is directly discharged from the primary ignition pipe 16, and the other part is circulated in the ignition disc 2 and discharged from the first gas outlet pipe 9 and the second gas outlet pipe 10 respectively, the gas directly discharged from the primary ignition pipe 16 is earlier than the gas discharged through the ignition disc 2, the metal ignition rod 18 ignites the gas in the primary ignition pipe 16, and the burning flame ignites the gas in the first gas outlet pipe 9 and the second gas outlet pipe 10 respectively, the flame range in the primary ignition pipe 16 is much larger than the electric spark generated by the metal ignition rod 18, the ignition efficiency of the ignition disc 2 is improved, and the gas leakage risk is reduced, when replacing the igniter body 5, the protruding part 12 is squeezed out of the clamping groove 11 from the side wall of the conductive seat 15, the conductive block 13 is pulled out of the conductive seat 15, and the igniter body 5 is screwed off from the bottom of the ignition seat 1, the replaced igniter is screwed and connected at the bottom of the ignition seat 1, the conductive block 13 on the igniter body 5 is inserted into the conductive seat 15 of the side wall of the power supply seat 6, and the protruding part 12 on the elastic plate 14 is embedded in the clamping groove 11 to keep the conductive block 13 fixed with the conductive seat 15.

[0024] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification, but as long as in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A ceramic-encased multi-stage ignition system comprising an ignition base (1), an ignition disc (2) fixed at the top end of the ignition base (1), and a gas supply pipe (3) installed in the ignition base (1) and connected to the ignition disc (2), characterized in that: The ignition seat (1) is screwed into the ignition body (5) at the bottom end, and the bottom of the ignition seat (1) is fixed with a power supply seat (6), the top end of the ignition body (5) is symmetrically provided with a metal ignition rod (18), and the ignition body (5) is fixed with the power supply seat (6) through a clamping mechanism, and one end of the gas supply pipe (3) extending into the ignition seat (1) is fixed with a primary ignition pipe (16) above the metal ignition rod (18).

2. A ceramic wrapped multi-stage ignition system according to claim 1, wherein: A control valve (4) is installed on the gas supply pipe (3), and the bottom end of the primary ignition pipe (16) is provided with a solenoid valve (17).

3. A ceramic wrapped multi-stage ignition system as defined in claim 1, wherein: A plurality of first air outlet pipes (9) are annularly arranged on the inner wall of the ignition disc (2), and a plurality of second air outlet pipes (10) are annularly arranged on the top end of the ignition disc (2).

4. A ceramic wrapped multi-stage ignition system as defined in claim 1, wherein: The clamping mechanism comprises a conductive seat (15) fixed on the side wall of the power supply seat (6) and a conductive block (13) inserted into the conductive seat (15), and the conductive seat (15) is embedded with a storage battery (7).

5. A ceramic wrapped multi-stage ignition system as defined in claim 4, wherein: The top end of the ignition body (5) is fixed with a ceramic wrapping part (8) sleeved on the two metal ignition rods (18), and the bottom end of the ignition body (5) is fixed with the conductive block (13) through a lead wire.

6. A ceramic wrapped multi-stage ignition system as defined in claim 5, wherein: The two ends of the conductive block (13) are fixed with elastic plates (14), and the side wall of the elastic plate (14) is provided with a protruding part (12).

7. A ceramic wrapped multi-stage ignition system as defined in claim 6, wherein: The two ends of the conductive seat (15) are provided with clamping grooves (11), and the two elastic plates (14) are inserted into the lead seat, and the protruding part (12) is clamped and fixed in the clamping groove (11).

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