An improved detector heating element

Abstract

The present invention provides an improved detector heating element, which belongs to the technical field of heating elements, and comprises a fixed plate, a heat-conducting pipe fixedly mounted on one side of the fixed plate, and a control box fixedly mounted on the other side of the fixed plate, wherein two groups of conductive rods are fixedly penetrated inside the control box, and one end of the two groups of conductive rods extends to the outside of the control box, and a metal heating wire is spirally arranged inside the heat-conducting pipe, and both ends of the metal heating wire pass through the fixed plate and the control box in sequence and extend to the inside of the control box; a detection box is arranged on the outside of the heat-conducting pipe, and the detection box is openly arranged toward one side of the heat-conducting pipe; the technical problem to be solved by the present invention is to provide an improved detector heating element, which can monitor the performance of the heating element in real time by adjusting the temperature sensor to fit the outer wall of the heat-conducting pipe through a control structure, and can respond promptly to unqualified temperature conditions.

Description

Technical Field

[0001] The invention belongs to the field of heating elements, in particular to an improved detector heating element. Background Art

[0002] A detector refers to a device that can detect the changes in the components and their amounts flowing out of a chromatographic column. Detectors are usually divided into two categories: integral and differential. The requirements for detectors are: high sensitivity, wide linear range, good reproducibility, good stability, fast response speed, and regular and predictable responses to different substances. Heating elements include short-wave infrared heating tubes, medium-wave infrared heating tubes, remote heating tubes, electric heating coils, etc. At present, for the heating elements in the detector, if the heating performance of the heating elements does not meet the standards, it will affect the use of the monitor. Therefore, it is necessary to be able to monitor the temperature of the heating elements in real time, and the operator can give timely feedback on the monitoring results. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the embodiments of the present invention is to provide an improved detector heating element.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] An improved detector heating element comprises a fixed plate, a heat conducting tube fixedly mounted on one side of the fixed plate, and a control box fixedly mounted on the other side of the fixed plate, wherein two groups of conductive rods are fixedly passed through the control box, one end of each of the two groups of conductive rods extends to the outside of the control box, a metal heating wire is spirally arranged inside the heat conducting tube, both ends of the metal heating wire pass through the fixed plate and the control box in sequence and extend to the inside of the control box; a detection box is arranged outside the heat conducting tube, the detection box is open toward one side of the heat conducting tube, a fixed rod is arranged inside the detection box, a temperature sensor is fixedly mounted at the bottom of the fixed rod, and a control mechanism for driving the fixed rod to move up and down is arranged inside the detection box; a fixing mechanism for fixing the detection box is arranged on one side of the detection box.

[0006] As a further improvement of the present invention: the metal heating wire is a nickel-chromium wire.

[0007] As a further improvement scheme of the present invention: the control mechanism includes a circular plate arranged inside the detection box and a long plate fixedly connected to the top of the fixed rod, a through groove is opened inside the long plate, a convex column is fixedly installed on the edge of one side of the circular plate, and the convex column extends away from one end of the circular plate to the inside of the through groove, a limiting ring is provided on the outer movable sleeve of the fixed rod, and the limiting ring is fixedly connected to the inner wall of the detection box through a connecting rod, a support column is fixedly installed on the inner wall of the detection box, one end of the support is rotatably connected to the circular plate, and a rotating mechanism for driving the circular plate to rotate is provided on one side of the detection box.

[0008] As a further improvement of the present invention: the rotating mechanism includes a rocker arm arranged on one side of the detection box and a rotating rod fixedly connected to one end of the rocker arm, and the rotating rod passes through the detection box and the support column in sequence away from the end of the rocker arm and is fixedly connected to the circular plate.

[0009] As a further improvement scheme of the present invention: the fixing mechanism includes two groups of clamping plates arranged on both sides of the fixing plate and an adjusting column fixedly installed on one side of the detection box, wherein one group of the clamping plates is fixedly connected to the adjusting column, a cavity is opened inside the adjusting column, a bolt is arranged inside the cavity, one end of the bolt is rotatably connected to the inner wall of the cavity, the other end of the bolt passes through the adjusting column and extends to the outside of the adjusting column, a sliding hole connected to the cavity is opened on the side wall of the adjusting column, a sliding rod is slidably arranged inside the sliding hole, one end of the sliding rod extends into the cavity and is fixedly connected to a sleeve plate, the sleeve plate is threadedly sleeved on the outside of the bolt, and the other end of the sliding rod extends to the outside of the adjusting column and is fixedly connected to the other group of the clamping plates.

[0010] As a further improvement of the present invention: two groups of slide grooves are opened on the side wall of the detection box, long rods are fixedly installed at both ends of the long board, and the two groups of long rods extend away from one end of the long board to the corresponding inside of the slide grooves.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The technical problem to be solved by the present invention is to provide an improved detector heating element, which can monitor the performance of the heating element in real time and respond promptly to unqualified temperature conditions by adjusting the temperature sensor to fit the outer wall of the heat pipe through a control structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an improved detector heating element;

[0014] Figure 2 It is a structural schematic diagram of a detection box in an improved detector heating element;

[0015] Figure 3 for Figure 1 A magnified schematic diagram of the middle A area;

[0016] Figure 4 for Figure 2 Cross-sectional view of the middle BB;

[0017] In the figure: 1-adjusting column, 2-detection box, 3-circular plate, 4-heat pipe, 5-metal heating wire, 6-fixing plate, 7-control box, 8-conductive rod, 9-clamping plate, 10-bolt, 11-cavity, 12-sleeve plate, 13-sliding hole, 14-sliding rod, 15-long rod, 16-sliding groove, 17-convex column, 18-long plate, 19-fixing rod, 20-temperature sensor, 21-support column, 22-rocker, 23-rotating rod, 24-limiting ring. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0021] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0022] Example 1

[0023] See also Figure 1-4The present embodiment provides an improved detector heating element, comprising a fixing plate 6, a heat conducting pipe 4 fixedly mounted on one side of the fixing plate 6, and a control box 7 fixedly mounted on the other side of the fixing plate 6, wherein two groups of conductive rods 8 are fixedly penetrated inside the control box 7, and one end of the two groups of conductive rods 8 extends to the outside of the control box 7, and a metal heating wire 5 is spirally arranged inside the heat conducting pipe 4, and both ends of the metal heating wire 5 pass through the fixing plate 6 and the control box 7 in sequence and extend to the inside of the control box 7; a detection box 2 is arranged outside the heat conducting pipe 4, and the detection box 2 is open toward one side of the heat conducting pipe 4, a fixing rod 19 is arranged inside the detection box 2, a temperature sensor 20 is fixedly mounted at the bottom of the fixing rod 19, and a control mechanism for driving the fixing rod 19 to move up and down is arranged inside the detection box 2; a fixing mechanism for fixing the detection box 2 is arranged on one side of the detection box 2.

[0024] The control fixing mechanism fixes the detection box 2, and the control control mechanism is started. The temperature sensor 20 is adjusted to fit the outer wall of the heat pipe 4 through the fixing rod 19, and the two groups of conductive rods 8 are controlled to be connected with the power supply inside the detector, so that the inside of the control box 7 is conductive, and heat is generated by energizing the metal heating wire 5. The generated heat is transferred to the air through the heat pipe 4. The temperature sensor 20 can monitor the heat outside the heat pipe 4 in real time. When the temperature does not meet the standard, it can promptly remind the operator, which is convenient for repairing or replacing the heating element.

[0025] The metal heating wire 5 is a nickel-chromium wire.

[0026] Nichrome wire can effectively convert electrical energy into heat energy.

[0027] The control mechanism includes a circular plate 3 arranged inside the detection box 2 and a long plate 18 fixedly connected to the top of the fixing rod 19, a through groove is opened inside the long plate 18, a boss 17 is fixedly installed on one edge of the circular plate 3, and the boss 17 extends to the inside of the through groove away from one end of the circular plate 3, a limit ring 24 is movably sleeved on the outer side of the fixing rod 19, and the limit ring 24 is fixedly connected to the inner wall of the detection box 2 through a connecting rod, a support column 21 is fixedly installed on the inner wall of the detection box 2, one end of the support column 21 is rotatably connected to the circular plate 3, and a rotating mechanism for driving the circular plate 3 to rotate is provided on one side of the detection box 2.

[0028] The control rotation mechanism starts to drive the circular plate 3 to rotate, the circular plate 3 drives the boss 17 to rotate, and the boss 17 drives the long plate 18 to move up and down, so that the fixing rod 19 can move up and down, and then the temperature sensor 20 can be adjusted to fit the heat pipe 4, which is convenient for accurate monitoring of the temperature sensor 20.

[0029] The rotating mechanism includes a rocker 22 disposed on one side of the detection box 2 and a rotating rod 23 fixedly connected to one end of the rocker 22. The rotating rod 23 passes through the detection box 2 and the supporting column 21 in sequence at one end away from the rocker 22 and is fixedly connected to the circular plate 3.

[0030] The rocker 22 is rotated to drive the circular plate 3 to rotate via the rotating rod 23, thereby achieving the purpose of adjusting the position of the temperature sensor 20.

[0031] The fixing mechanism includes two groups of clamping plates 9 arranged on both sides of the fixing plate 6 and an adjusting column 1 fixedly installed on one side of the detection box 2, wherein one group of the clamping plates 9 is fixedly connected to the adjusting column 1, a cavity 11 is opened inside the adjusting column 1, a bolt 10 is arranged inside the cavity 11, one end of the bolt 10 is rotatably connected to the inner wall of the cavity 11, the other end of the bolt 10 passes through the adjusting column 1 and extends to the outside of the adjusting column 1, a sliding hole 13 connected to the cavity 11 is opened on the side wall of the adjusting column 1, a sliding rod 14 is slidably arranged inside the sliding hole 13, one end of the sliding rod 14 extends to the inside of the cavity 11 and is fixedly connected to a sleeve plate 12, the sleeve plate 12 is threadedly sleeved on the outside of the bolt 10, and the other end of the sliding rod 14 extends to the outside of the adjusting column 1 and is fixedly connected to the other group of the clamping plates 9.

[0032] By turning the bolt 10, the sliding rod 14 is driven to move through the sleeve plate 12, and the sliding rod 14 drives the corresponding clamping plate 9 to move, controlling one group of clamping plates 9 to approach the other group of clamping plates 9 until the two groups of clamping plates 9 can clamp the fixed plate 6, thereby achieving the fixation of the adjustment column 1 and the detection box 2.

[0033] Example 2

[0034] See also Figure 2 An improved detector heating element is disclosed. Compared with Example 1, the side wall of the detection box 2 is provided with two groups of slide grooves 16, and long rods 15 are fixedly installed at both ends of the long plate 18. The two groups of long rods 15 extend from one end of the long plate 18 to the corresponding inside of the slide grooves 16 respectively.

[0035] During the rotation of the circular plate 3, the long plate 18 is driven to move up and down by the protruding column 17, and the long plate 18 drives the two groups of long rods 15 to slide along the corresponding sliding grooves 16, thereby ensuring the stability of the fixed rod 19 and the temperature sensor 20 when moving.

[0036] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. An improved detector heating element, characterized in that: The invention comprises a fixing plate (6), a heat conducting pipe (4) fixedly mounted on one side of the fixing plate (6), and a control box (7) fixedly mounted on the other side of the fixing plate (6); two groups of conductive rods (8) are fixedly passed through the control box (7), one end of each of the two groups of conductive rods (8) extends to the outside of the control box (7); a metal heating wire (5) is spirally arranged inside the heat conducting pipe (4), both ends of the metal heating wire (5) pass through the fixing plate (6) and the control box (7) in sequence and extend to the inside of the control box (7); a detection box (2) is arranged outside the heat conducting pipe (4), the detection box (2) is openly arranged toward one side of the heat conducting pipe (4); a fixing rod (19) is arranged inside the detection box (2), a temperature sensor (20) is fixedly mounted at the bottom of the fixing rod (19), and a device for driving the fixing rod (19) to move the fixing rod (19) is arranged inside the detection box (2). 9) a control mechanism for moving up and down; a fixing mechanism for fixing the detection box (2) is provided on one side of the detection box (2); the control mechanism comprises a circular plate (3) arranged inside the detection box (2) and a long plate (18) fixedly connected to the top of the fixing rod (19); a through groove is provided inside the long plate (18); a convex column (17) is fixedly installed on the edge of one side of the circular plate (3); the convex column (17) extends to the inside of the through groove away from one end of the circular plate (3); a limit ring (24) is movably sleeved on the outer side of the fixing rod (19); the limit ring (24) is fixedly connected to the inner wall of the detection box (2) through a connecting rod; a support column (21) is fixedly installed on the inner wall of the detection box (2); one end of the support column (21) is rotatably connected to the circular plate (3); and a rotating mechanism for driving the circular plate (3) to rotate is provided on one side of the detection box (2);The rotating mechanism comprises a rocking arm (22) arranged on one side of the detection box (2) and a rotating rod (23) fixedly connected to one end of the rocking arm (22); the end of the rotating rod (23) away from the rocking arm (22) passes through the detection box (2) and the supporting column (21) in sequence and is fixedly connected to the circular plate (3); the fixing mechanism comprises two groups of clamping plates (9) arranged on both sides of the fixing plate (6) and an adjusting column (1) fixedly installed on one side of the detection box (2); one group of the clamping plates (9) is fixedly connected to the adjusting column (1); a cavity (11) is provided inside the adjusting column (1); a bolt (10) is provided inside the cavity (11); one end of the bolt (10) is rotatably connected to the inner wall of the cavity (11); the other end of the bolt (10) passes through the adjusting column (1) and extends to the outside of the adjusting column (1), the side wall of the adjusting column (1) is provided with a sliding hole (13) connected to the cavity (11), a sliding rod (14) is slidably arranged inside the sliding hole (13), one end of the sliding rod (14) extends to the inside of the cavity (11) and is fixedly connected to a sleeve plate (12), the sleeve plate (12) is threadedly sleeved on the outside of the bolt (10), the other end of the sliding rod (14) extends to the outside of the adjusting column (1) and is fixedly connected to another group of the clamping plates (9), the metal heating wire (5) is a nickel-chromium wire, the side wall of the detection box (2) is provided with two groups of sliding grooves (16), long rods (15) are fixedly installed at both ends of the long plate (18), and the two groups of the long rods (15) extend to the inside of the corresponding sliding grooves (16) at one end away from the long plate (18). ;

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