Gas ignition detection device

Abstract

The utility model relates to a fuel gas ignition detection device, which comprises a mounting seat, an ignition head and a detection head, the mounting seat is circular, the ignition head is fixed on the mounting seat in a penetrating manner and is coaxial with the mounting seat, a mounting plate capable of rotating around the ignition head for adjustment is mounted on the mounting seat, a vertical frame vertically extending upwards is fixed on the mounting plate, and the detection head is fixed on the vertical frame. The detection head is horizontally installed at the top end of the vertical frame, and the detection end faces the ignition position of the ignition head. According to the utility model, the mounting plate is rotated and adjusted around the ignition head to drive the detection head to rotate around the ignition head, so that the detection head can perform all-round mobile detection operation around the ignition head, the detection range of the detection head is improved, and the problem that flames cannot be detected due to jumping or deviation is avoided; and the distance between the detection head and the ignition head can be adjusted to adapt to the flame intensity change, so that the flame can be accurately detected in different combustion states, and the detection accuracy is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas ignition detection technical field especially relates to a gas ignition detection device. BACKGROUND

[0002] In the prior art, the gas steamer comprises a frame and a box body arranged on the frame, a plurality of steaming trays are horizontally and spacedly arranged in the box body, and a water tank and a gas heating device are arranged at the bottom of the box body, the gas heating device heats the stored water in the water tank, and the steam generated by heating is used to steam the food in the steaming trays. The gas heating device comprises a fire grate, an ignition device and a heating pipe, the ignition device comprises a detection head and an ignition head, the fire grate is supplied with gas, the ignition head of the ignition device ignites the fire grate to heat the heating pipe, and the heating pipe transmits heat to the water tank, thereby achieving the purpose of generating steam by gas heating.

[0003] Referring to the Chinese patent with the authorized announcement number CN210446666U, it discloses a kind of ignition detection device of gas steamer, realize the detachable installation of ignition detection device and the detachable installation of ignition head, detection head, further reach the purpose that user is convenient to overhaul or replace ignition head and detection head.

[0004] However, the position of the above-mentioned detection head is fixed relative to the ignition head after installation, which limits the detection range of the detection head. In particular, the flame may jump or deviate during the ignition process due to wind, which may exceed the detection range of the detection head, resulting in inaccurate detection of the flame. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of gas ignition detection device with adjustable detection range, which effectively solves the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0007] A kind of gas ignition detection device, comprising a mounting seat, an ignition head and a detection head, the mounting seat is circular, the ignition head is fixed on the mounting seat, and is coaxial with the mounting seat, an installation plate that can be adjusted by rotating around the ignition head is installed on the mounting seat, a vertical stand extending vertically upward is fixed on the installation plate, the detection head is horizontally installed at the top end of the vertical stand, and the detection end faces the ignition place of the ignition head.

[0008] Therefore, by rotating the installation plate around the ignition head, the detection head is driven to rotate around the ignition head, achieving a full-circle movement of the detection head around the ignition head for detection, improving the detection range of the detection head, and avoiding the problem that the flame cannot be detected due to jumping or deviation.

[0009] Further, the middle of the mounting base is provided with a mounting sleeve penetratingly fixed, the ignition head is fixedly inserted into the mounting sleeve, an annular member is rotatably sleeved on the outer wall of the mounting sleeve and above the mounting base, and the mounting plate is fixed on the outer side wall of the annular member.

[0010] Further, the first driving mechanism is arranged on the mounting plate and above the mounting base, and is used for driving the mounting plate to rotate and adjust around the ignition head.

[0011] Further, the first driving mechanism comprises a circular ring, an annular rack, a driving motor and a gear, the circular ring is coaxially fixed above the mounting base, the annular rack is fixed on the inner wall of the circular ring, the driving motor is fixed on the upper surface of the mounting plate, the gear is fixed on the output shaft of the driving motor, and the gear is meshed with the annular rack.

[0012] Further, the second driving mechanism is arranged on the top of the stand and horizontally extends, and is used for driving the detection head to feed and retreat, so as to adjust the distance between the detection head and the ignition head.

[0013] Further, the second driving mechanism comprises a guide seat, a sliding block and an electric push cylinder, the guide seat is fixed on the top of the stand, the sliding block is limitingly and slidably arranged on the guide seat, the detection head is arranged on the side of the sliding block, and the electric push cylinder is fixed on the side of the guide seat, and the telescopic rod of the electric push cylinder is fixedly connected with the side of the sliding block.

[0014] Compared with the prior art, the utility model has the advantages as follows.

[0015] The mounting plate is rotated and adjusted around the ignition head, the detection head is rotated around the ignition head, the detection head is moved around the ignition head, the detection range of the detection head is improved, and the problem that the flame cannot be detected due to jumping or deviation is avoided.

[0016] The electric push cylinder is telescoped, the sliding block is moved along the guide seat, the detection head is synchronously moved, the distance between the detection head and the ignition head is adjusted, the detection head is adjusted to be close to the ignition head when the flame of the ignition head is weak, the weak flame signal is easily captured, the detection head is adjusted to be away from the ignition head when the flame of the ignition head is strong, the detection head is prevented from being interfered by excessive heat radiation, the distance between the detection head and the ignition head is adjusted, the flame intensity is adapted, the flame can be accurately detected in different combustion states, and the detection accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure three-dimensional schematic view of the utility model;

[0018] Figure 2The utility model provides a first drive mechanism detailed structure schematic view;

[0019] Figure 3 For Figure 2 A place structure amplification schematic view;

[0020] Figure 4 The utility model discloses a second drive mechanism detailed structure schematic view.

[0021] In the drawing: 1, mounting seat, 2, ignition head, 3, detection head, 4, mounting plate, 41, ring piece, 5, mounting sleeve, 6, first drive mechanism, 61, circular ring piece, 62, annular rack, 63, drive motor, 64, gear, 7, stand, 8, second drive mechanism, 81, guide seat, 82, sliding block, 83, electric push cylinder. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of gas ignition detection device, including mounting seat 1, ignition head 2 and detection head 3, mounting seat 1 is circular, ignition head 2 is fixed in mounting seat 1, and with mounting seat 1 coaxial, mounting seat 1 is installed with the installation plate 4 that can be adjusted around ignition head 2 rotation, installation plate 4 is fixed with vertical upward extending stand 7, detection head 3 is horizontally installed at the top of stand 7, and detection end is towards the ignition place of ignition head 2.

[0024] Ignition head 2 when igniting, since the detection end of detection head 3 is towards ignition head 2, utilize detection head 3 can detect the flame of ignition head 2 ignition, and in ignition detection process, installation plate 4 can be adjusted around ignition head 2 rotation, and then can drive detection head 3 around ignition head 2 rotation, to realize detection head 3 around ignition head 2 full circle movement type detection operation, improve the detection range of detection head 3, avoid the problem that flame cannot be detected because of jumping or deviation.

[0025] Specifically, the middle of the mounting seat 1 is provided with a mounting sleeve 5 penetratingly fixed, the ignition head 2 is fixedly inserted into the mounting sleeve 5, the outer wall of the mounting sleeve 5 is rotatably sleeved with an annular part 41 above the mounting seat 1, the mounting plate 4 is fixedly arranged on the outer side wall of the annular part 41, the annular part 41 is rotatably arranged outside the mounting sleeve 5, and the mounting plate 4 is fixedly arranged on the side of the annular part 41. The rotation of the annular part 41 and the mounting sleeve 5 provides the mounting plate 4 with the rotatable ability.

[0026] Specifically, the first driving mechanism 6 is arranged on the mounting plate 4 and above the mounting seat 1, and the first driving mechanism 6 is used for driving the mounting plate 4 to rotate and adjust around the ignition head 2.

[0027] The first driving mechanism 6 comprises a circular ring part 61, an annular rack 62, a driving motor 63 and a gear 64. The circular ring part 61 is coaxially fixed above the mounting seat 1, the annular rack 62 is fixed on the inner wall of the circular ring part 61, the driving motor 63 is fixed on the upper surface of the mounting plate 4, the gear 64 is fixed on the output shaft of the driving motor 63, and the gear 64 is engaged with the annular rack 62.

[0028] The driving motor 63 works, the output shaft drives the gear 64 to rotate, the rotating gear 64 is engaged with the annular rack 62 for transmission, the mounting plate 4 can be reversely driven to rotate around the ignition head 2, and the rotation of the detection head 3 is driven for detection.

[0029] Specifically, the second driving mechanism 8 is arranged on the top of the stand 7 and extends horizontally, and the second driving mechanism 8 is used for driving the detection head 3 to feed and retreat to adjust, so that the distance between the detection head 3 and the ignition head 2 is adjusted.

[0030] The second driving mechanism 8 comprises a guide seat 81, a sliding block 82 and an electric push cylinder 83. The guide seat 81 is fixed on the top of the stand 7, the sliding block 82 is limitingly and slidably arranged on the guide seat 81, the detection head 3 is arranged on the side of the sliding block 82, and the electric push cylinder 83 is fixed on the side of the guide seat 81 and the telescopic rod end of the electric push cylinder 83 is fixedly connected with the side of the sliding block 82.

[0031] The electric push cylinder 83 is telescopically worked, the sliding block 82 is driven to move along the guide seat 81, the detection head 3 is synchronously moved, the distance between the detection head 3 and the ignition head 2 is adjusted, when the flame of the ignition head 2 is weak, the detection head 3 is fed to be close to the ignition head 2, the weak flame signal is easily captured, when the flame of the ignition head 2 is strong, the detection head 3 is retreated to be far away from the ignition head 2, the detection head 3 is prevented from being interfered by the excessive heat radiation, the distance between the detection head 3 and the ignition head 2 is adjusted, the flame intensity is adapted, and the flame can be accurately detected in different combustion states, and the detection accuracy is further improved.

[0032] It is worth noting that the direct influencing factor of different flame intensity is the gas supply. By connecting the electric push cylinder 83 to the control circuit that controls the gas supply, the electric push cylinder 83 can be controlled to extend and retract accordingly when the gas supply is adjusted, thereby driving the detection head 3 to adaptively feed and retract, and realizing the adaptive adjustment of the distance between the detection head 3 and the ignition head 2.

[0033] The above is a detailed description of the present invention in conjunction with specific embodiments, and it should not be construed that the specific embodiments of the present invention are limited to these descriptions. For those skilled in the art, any equivalent substitutions or obvious modifications made without departing from the concept of the present invention, and which have the same performance or use, should be considered as falling within the patent protection scope defined by the submitted claims.

Claims

1. A gas ignition detection device, comprising a mounting seat (1), an ignition head (2) and a detection head (3), characterized in that: the mounting seat (1) is circular, the ignition head (2) is fixed on the mounting seat (1) and coaxial with the mounting seat (1); an installation plate (4) is installed on the mounting seat (1) and can rotate around the ignition head (2) for adjustment, a vertical stand (7) extends upward and is fixed on the installation plate (4); the detection head (3) is horizontally installed at the top of the stand (7) and the detection end faces the ignition position of the ignition head (2).

2. The gas ignition detection device according to claim 1, characterized in that: a mounting sleeve (5) is fixed through the middle of the mounting seat (1), the ignition head (2) is fixedly inserted into the mounting sleeve (5); an annular part (41) is rotatably sleeved on the outer peripheral wall of the mounting sleeve (5) and above the mounting seat (1), and the installation plate (4) is fixed on the outer side wall of the annular part (41).

3. The gas ignition detection device according to claim 1, characterized in that: a first driving mechanism (6) is arranged on the installation plate (4) and above the mounting seat (1), and is used to drive the installation plate (4) to rotate around the ignition head (2) for adjustment.

4. The gas ignition detection device according to claim 3, characterized in that: the first driving mechanism (6) comprises a circular ring part (61), an annular gear rack (62), a driving motor (63) and a gear (64); the circular ring part (61) is coaxially fixed above the mounting seat (1), and the annular gear rack (62) is fixed on the inner wall of the circular ring part (61); the driving motor (63) is fixed on the upper surface of the installation plate (4), the gear (64) is fixed on the output shaft of the driving motor (63), and the gear (64) is engaged with the annular gear rack (62).

5. The gas ignition detection device according to claim 1, characterized in that: a second driving mechanism (8) horizontally extends at the top of the stand (7), and is used to drive the detection head (3) to feed and retreat for adjustment, so as to adjust the distance between the detection head (3) and the ignition head (2).

6. The gas ignition detection device according to claim 5, characterized in that: the second driving mechanism (8) comprises a guide seat (81), a sliding block (82) and an electric push cylinder (83); the guide seat (81) is fixed at the top of the stand (7), the sliding block (82) is limitingly and slidingly installed on the guide seat (81), and the detection head (3) is installed on the side of the sliding block (82); the electric push cylinder (83) is fixed on the side of the guide seat (81), and the telescopic rod end of the electric push cylinder (83) is fixedly connected with the side of the sliding block (82). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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