Telescopic electric arc ignition device for combustor

Abstract

The utility model relates to the technical field of combustors, in particular to a telescopic electric arc ignition device for a combustor, which comprises a heat insulation sleeve, a structural plate is fixed in the heat insulation sleeve through bolts, an electric arc igniter is sleeved at one end of the heat insulation sleeve, and a driving component is embedded in the heat insulation sleeve on one side of the structural plate. The driving assembly comprises a lead screw rotationally connected between the structural plate and the heat insulation sleeve through a bearing. The outer side of the lead screw is sleeved with an internal thread sliding sleeve, and connecting rods are fixed to the two sides of the internal thread sliding sleeve through bolts. A servo motor works to push an internal thread sliding sleeve to move through a lead screw, so that an electric arc igniter is pushed to stretch out and draw back through a connecting rod, the electric arc igniter conducts ignition when stretching into a combustor, the electric arc igniter retracts into a heat insulation sleeve after ignition is completed, and when the electric arc igniter enters the heat insulation sleeve, a heat insulation baffle at one end of the electric arc igniter moves into a circular groove to conduct blocking prevention on a rectangular groove; and heat in the combustor is prevented from being conducted into the heat insulation sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to burner technical field, concretely relates to a telescopic electric arc ignition device for burner. BACKGROUND

[0002] Burner is a device that makes fuel and air to be mixed and combusted in a certain way, and is collectively referred to as burner. According to types and application fields, burners are divided into industrial burners, combustion machines, civil burners and special burners. Generally, the applicable gas and combustion-supporting gas are marked on the burner.

[0003] The ignition device needs to be installed on the burner for igniting fuel. However, the existing electric arc ignition device for burner is fixed on the burner. When the burner works, the electric arc ignition device is in a high-temperature environment. Therefore, the electric arc ignition device is easily damaged after being in the high-temperature environment for a long time. Therefore, the utility model provides a telescopic electric arc ignition device for burner. The electric arc igniter is driven to extend and retract by the driving assembly. The electric arc igniter extends from the heat insulation sleeve when igniting. After ignition, the electric arc igniter is retracted into the heat insulation sleeve to avoid being in the high-temperature environment for a long time. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a telescopic electric arc ignition device for burner. The electric arc igniter is driven to extend and retract by the driving assembly. The electric arc igniter extends from the heat insulation sleeve when igniting. After ignition, the electric arc igniter is retracted into the heat insulation sleeve to avoid being in the high-temperature environment for a long time.

[0005] The utility model solves the technical problems by adopting the technical scheme of a telescopic electric arc ignition device for burner. The heat insulation sleeve is internally provided with a structural plate fixed by bolts. An electric arc igniter is sleeved at one end of the heat insulation sleeve. A driving assembly is embedded in the inside of the heat insulation sleeve at one side of the structural plate. The driving assembly includes a lead screw rotatably connected between the structural plate and the heat insulation sleeve through a bearing.

[0006] An internally threaded sleeve is sleeved on the outside of the lead screw. Connecting rods are fixed on both sides of the internally threaded sleeve by bolts. A servo motor is installed on the end of the heat insulation sleeve away from the electric arc igniter through a mounting bracket.

[0007] By adopting the above technical scheme, the servo motor drives the lead screw to rotate. The electric arc igniter is pushed to extend and retract through the internally threaded sleeve and the connecting rods. The electric arc igniter is ignited when it extends into the burner. After ignition, the electric arc igniter is retracted into the heat insulation sleeve.

[0008] Specifically, through holes are formed at both ends of one side of the structural plate. The connecting rods pass through the through holes. One end of the connecting rods is connected to one end of the electric arc igniter through a threaded groove.

[0009] Specific, the heat shield one end is provided with a circular slot, the circular slot side is provided with a rectangular slot, the electric arc igniter penetrates the rectangular slot.

[0010] Specific, the heat shield one side is installed with an electronic thermometer through a mounting seat, the detection end of the electronic thermometer is located inside the heat shield, the output shaft of the servo motor one side is fixedly connected with the lead screw one end through a connecting sleeve.

[0011] Specific, the heat shield and the heat shield baffle are made of heat insulation ceramic material.

[0012] Specific, the heat shield outside fixed cover is provided with a baffle ring, the heat shield outside the baffle ring one side is provided with a screw thread.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model discloses a telescopic electric arc ignition device for combustor, opens servo motor drive screw rod rotation and promotes the inner thread sliding sleeve movement, and the inner thread sliding sleeve promotes electric arc igniter to stretch out through connecting rod, and when the one end of electric arc igniter stretches out, opens it, and carries out ignition, and after completing ignition, through servo motor drive screw rod reverse rotation, through the inner thread sliding sleeve and connecting rod drive electric arc igniter to retract, make electric arc igniter move to the heat shield in, when electric arc igniter enters the heat shield, and the heat shield baffle of its one end moves to the circular slot, prevents the rectangular slot, prevents the heat conduction in combustor to the heat shield. ACCURACY OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and examples.

[0016] Figure 1 It is overall structure schematic diagram of the utility model;

[0017] Figure 2 It is heat shield section view of the utility model;

[0018] Figure 3 It is drive assembly structure schematic diagram of the utility model;

[0019] In the drawing: 1, heat shield;2, drive assembly;201, screw rod;202, servo motor;203, inner thread sliding sleeve;204, connecting rod;3, structure board;301, through -hole;4, electric arc igniter;5, heat shield baffle;6, circular slot;7, baffle ring;8, screw thread;9, rectangular slot;10, electronic thermometer. PREFERRED EMBODIMENT

[0020] In order to make the technical means, creative characteristics, purposes and effects of the utility model easy to understand, the utility model is further explained below in combination with specific implementation.

[0021] The driving assembly is used for driving the arc igniter to stretch out from the heat insulation sleeve and retract into the heat insulation sleeve after ignition, so that the arc igniter is prevented from being in high temperature environment for a long time. Figures 1-3 As shown in the figure, the utility model discloses a stretchable arc igniter device for combustor, including heat insulation sleeve 1, the heat insulation sleeve 1 inside is provided with the structure plate 3 by bolt fixed, the heat insulation sleeve 1 one end is equipped with arc igniter 4, the heat insulation sleeve 1 is located the inside embedding of drive assembly 2 at structure plate 3 one side, drive assembly 2 includes the screw rod 201 of bearing rotation connection between structure plate 3 and heat insulation sleeve 1,

[0022] The screw rod 201 outside is equipped with internal thread sliding sleeve 203, the internal thread sliding sleeve 203 both sides are fixed with connecting rod 204 by bolt, the heat insulation sleeve 1 is installed servo motor 202 by mounting bracket at the end away from arc igniter 4.

[0023] In use, servo motor 202 drives screw rod 201 rotation, pushes arc igniter 4 stretch out through internal thread sliding sleeve 203 and connecting rod 204, arc igniter 4 stretches into combustor and ignites, retracts into heat insulation sleeve 1 after ignition.

[0024] Exemplarily, as shown in the figure, the utility model further includes, the both ends of structure plate 3 one side are equipped with through hole 301, connecting rod 204 passes through through hole 301, and connecting rod 204 one end is connected to arc igniter 4 one end through thread groove. Figure 2 In use, the establishment of through hole 301 makes structure plate 3 not affect the movement of connecting rod 204, and connecting rod 204 moves and drives arc igniter 4 to move.

[0025] Exemplarily, as shown in the figure, the utility model further includes, the one end of heat insulation sleeve 1 is equipped with round groove 6, one side of round groove 6 is equipped with rectangular groove 9, and arc igniter 4 passes through rectangular groove 9.

[0026] Figure 1 In use, the establishment of round groove 6 facilitates the entry of heat insulation baffle 5, facilitates the plugging of rectangular groove 9, and the establishment of rectangular groove 9 facilitates the stretching out and retracting of arc igniter 4.

[0027] Exemplarily, as shown in the figure, the utility model further includes, one side of heat insulation sleeve 1 is installed electronic thermometer 10 through mounting seat, the detection end of electronic thermometer 10 is located in the inside of heat insulation sleeve 1, and one side output shaft of servo motor 202 is fixedly connected with one end of screw rod 201 through connecting sleeve.

[0028] Exemplarily, as shown in the figure, the utility model further includes, one side of heat insulation sleeve 1 is installed electronic thermometer 10 through mounting seat, the detection end of electronic thermometer 10 is located in the inside of heat insulation sleeve 1, and one side output shaft of servo motor 202 is fixedly connected with one end of screw rod 201 through connecting sleeve. Figure 1

[0029] ​​In use, the detection end of the electronic thermometer 10 is located in the heat insulation sleeve 1, which can detect and display the heat in the heat insulation sleeve 1, facilitating personnel to view.

[0030] As shown in the example, Figure 1 The heat insulation sleeve 1 and the heat insulation baffle 5 are both made of heat insulation ceramic material.

[0031] In use, the heat insulation sleeve 1 and the heat insulation baffle 5 made of heat insulation ceramic material can block the heat in the burner from entering the heat insulation sleeve 1.

[0032] As shown in the example, Figure 1 The heat insulation sleeve 1 is provided with a stop ring 7 on the outer side, and the outer side of the heat insulation sleeve 1 located on one side of the stop ring 7 is provided with a threaded tooth 8.

[0033] In use, the heat insulation sleeve 1 can be screwed on the burner through the threaded tooth 8, and the stop ring 7 is used for limiting the heat insulation sleeve 1.

[0034] In use, personnel install the heat insulation sleeve 1 on the burner through the threaded tooth 8, and the stop ring 7 is used for limiting the heat insulation sleeve 1 installed on the burner, and the device is connected with an external power supply through a power cord;

[0035] When igniting, the servo motor 202 is turned on to drive the screw rod 201 to rotate, the screw rod 201 rotates to drive the internal thread sleeve 203 to move, the internal thread sleeve 203 drives the electric arc igniter 4 to extend through the connecting rod 204, and the electric arc igniter 4 is opened at one end to ignite, and after ignition is completed, the servo motor 202 drives the screw rod 201 to reverse, and the electric arc igniter 4 is retracted through the internal thread sleeve 203 and the connecting rod 204, so that the electric arc igniter 4 moves into the heat insulation sleeve 1, and when the electric arc igniter 4 enters the heat insulation sleeve 1, the heat insulation baffle 5 at one end moves into the circular groove 6 to prevent the rectangular groove 9 from being blocked, and prevent the heat in the burner from being conducted into the heat insulation sleeve 1.

[0036] The heat insulation sleeve 1 and the heat insulation baffle 5 made of heat insulation ceramic material have good heat insulation efficiency, can block the heat in the burner from entering the heat insulation sleeve 1, the detection end of the electronic thermometer 10 is located in the heat insulation sleeve 1, which can detect and display the heat in the heat insulation sleeve 1, facilitating personnel to view.

[0037] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An extensional electric arc igniter for a burner, characterized in that, The utility model provides an arc igniter, which comprises a heat insulation sleeve (1) internally provided with a structure plate (3) fixed by bolts, an arc igniter (4) sleeved at one end of the heat insulation sleeve (1), a driving assembly (2) embedded in the inside of the heat insulation sleeve (1) at one side of the structure plate (3), the driving assembly (2) comprising a lead screw (201) rotatably connected between the structure plate (3) and the heat insulation sleeve (1) through a bearing. The lead screw (201) is sleeved with an internally threaded sliding sleeve (203) on the outside, the internally threaded sliding sleeve (203) is fixed on both sides with connecting rods (204) through bolts, and the heat insulation sleeve (1) is installed with a servo motor (202) through a mounting frame at the end away from the arc igniter (4).

2. A telescopic electric arc igniter for a burner according to claim 1, characterized in that The structure plate (3) is provided with through holes (301) at both ends on one side, the connecting rods (204) pass through the through holes (301), and one end of the connecting rods (204) is connected to one end of the arc igniter (4) through a threaded groove.

3. A telescopic electric arc igniter for a burner according to claim 1, characterized in that The heat insulation sleeve (1) is provided with a circular groove (6) at one end, the circular groove (6) is provided with a rectangular groove (9) at one side, and the arc igniter (4) passes through the rectangular groove (9).

4. A telescoping arc igniter for a burner as defined in claim 1, wherein, An electronic thermometer (10) is installed on one side of the heat insulation sleeve (1) through a mounting seat, the detection end of the electronic thermometer (10) is located in the inside of the heat insulation sleeve (1), and one side of the servo motor (202) is fixedly connected with one end of the lead screw (201) through a connecting sleeve.

5. A telescoping arc igniter for a burner as defined in claim 1, wherein, The heat insulation sleeve (1) and the heat insulation baffle (5) are made of heat insulation ceramic material.

6. A telescoping arc igniter for a burner as defined in claim 1, wherein, A retaining ring (7) is fixedly sleeved on the outside of the heat insulation sleeve (1), and the heat insulation sleeve (1) is provided with screw teeth (8) on the outside at one side of the retaining ring (7).

Images