Infrared temperature measuring device with adjustable focusing angle

Abstract

The invention belongs to the field of temperature measuring equipment, and particularly relates to an infrared temperature measuring device with an adjustable focusing angle, which comprises an infrared temperature measuring instrument, the infrared temperature measuring instrument can emit positioning laser for indicating the current focusing position of the infrared temperature measuring instrument, a first adapter is arranged on the infrared temperature measuring instrument, and a second adapter is arranged on the first adapter. The first adapter is connected with the second adapter through a plurality of groups of adjusting mechanisms, the second adapter is used for being connected with a temperature measurement target, each adjusting mechanism is provided with a first end connected to the first adapter and a second end connected to the second adapter, and the adjusting mechanisms can change the distance between the first ends and the second ends corresponding to the adjusting mechanisms; therefore, the distance and the relative angle between the plane where the first end is located and the plane where the second end is located can be changed, so that the first adapter and the infrared thermometer can deflect relative to a temperature measurement target and move close to or away from the temperature measurement target, and the focusing position of the infrared thermometer can be aligned to a designated position. Accurate temperature measurement can be carried out on a specified position in a temperature measurement target.

Description

Technical Field

[0001] The invention relates to the field of temperature measuring equipment, and in particular to an infrared temperature measuring device with adjustable focusing angle. Background Art

[0002] When using some process equipment, it is often necessary to measure the temperature of the target position inside. The infrared thermometer can measure the temperature of the specified position, but when using the infrared thermometer, its infrared temperature detector needs to be focused to the target position to ensure that the temperature measured is the temperature of the target position. Existing infrared thermometers are difficult to ensure accurate focusing. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides an infrared temperature measuring device with adjustable focus angle, comprising:

[0004] An infrared thermometer capable of emitting a positioning laser to indicate the current focus position of the infrared thermometer;

[0005] A first adapter and a second adapter, wherein the first adapter can be installed on the infrared thermometer, and the second adapter can be installed on a temperature measurement target;

[0006] An adjustment mechanism, used to connect the first adapter and the second adapter, wherein at least three groups of the adjustment mechanism are provided between the first adapter and the second adapter, and each group of the adjustment mechanism has a first end connected to the first adapter and a second end connected to the second adapter;

[0007] Among them, the two first ends are connected to form a first straight line, and the first end of at least one group of the adjustment mechanisms is located outside the first straight line; each group of the adjustment mechanisms can change the distance between the corresponding first end and the second end to change the angle between the plane where the first end is located and the plane where the second end is located.

[0008] Preferably, the first adapter has a first reference surface, and the first ends are located on the first reference surface; the second adapter has a second reference surface, and the second ends are located on the second reference surface.

[0009] Preferably, the adjustment mechanism is provided in three groups, the three groups of the first ends form an equilateral triangle on the first reference plane, and the three groups of the second ends form an equilateral triangle on the second reference plane.

[0010] Preferably, the infrared thermometer comprises a cylindrical outer shell, the axis of the outer shell is colinear with the positioning laser, and the first reference plane is perpendicular to the axis of the outer shell.

[0011] Preferably, the housing and the first adapter are detachably connected via threaded engagement.

[0012] Preferably, the first adapter has an inner hole matching the outer diameter of the outer shell, the first adapter is sleeved on the outer shell, and clamping parts detachably connected to the outer shell are provided on both sides of the first adapter.

[0013] Preferably, a mounting section and an inner cabin are sequentially arranged on the outer shell along the emitting direction of the positioning laser, the first adapter is installed on the mounting section, a temperature measuring detector is arranged in the inner cabin for measuring the temperature of its focusing position, a laser emitter is also arranged in the inner cabin for emitting the positioning laser, and a clearance hole corresponding to the optical path of the temperature measuring detector and the laser emitter is arranged on the second adapter.

[0014] Preferably, each group of the adjustment mechanism includes a screw, a threaded adjustment member and a compression spring, the threaded adjustment member has an internal thread matching the screw, the screw is inserted between the first adapter and the second adapter, and the head of the screw abuts against the end surface of the second adapter away from the first adapter, the threaded adjustment member is installed on the screws on both sides of the first adapter, and the compression spring is located between a side of the first adapter facing the second adapter and the threaded adjustment member.

[0015] Preferably, each group of the adjustment mechanism includes a threaded rod and a threaded sleeve, the threaded rod is inserted between the first adapter and the second adapter, wherein the threaded rod is relatively fixed to the first adapter or the second adapter, and the threaded sleeve has an internal thread matching the threaded rod, and on each of the threaded rods, the threaded sleeve is respectively located on both sides of the first adapter and both sides of the second adapter, and the position of the first adapter or the second adapter on the threaded rod can be changed by changing the position of the threaded sleeve on the threaded rod.

[0016] Preferably, the threaded adjusting member and the threaded sleeve are butterfly nuts.

[0017] By applying the technical solution provided by the present invention, the infrared thermometer can emit a positioning laser for indicating the current focus position of the infrared thermometer, a first adapter is arranged on the infrared thermometer, the first adapter is connected to the second adapter through multiple groups of adjustment mechanisms, the second adapter is used to connect the temperature measurement target, the adjustment mechanism has a first end connected to the first adapter and a second end connected to the second adapter, and the first end of at least one group of adjustment mechanisms is not colinear with the first ends of other adjustment mechanisms, the adjustment mechanism can change the distance between the first end and the second end corresponding to it, thereby changing the distance and relative angle between the plane where the first end is located and the plane where the second end is located, that is, the first adapter and the infrared thermometer can be deflected and approached or moved away from the first adapter and the temperature measurement target, so that the infrared thermometer can be adjusted with multiple degrees of freedom relative to the temperature measurement target, combined with the auxiliary positioning function of the positioning laser, the focus position of the infrared thermometer can be aligned with the specified position, thereby accurately measuring the temperature of the specified position inside the temperature measurement target. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an infrared temperature measuring device with adjustable focus angle provided by one embodiment of the present invention;

[0019] Figure 2 It is a structural schematic diagram of an adjustment mechanism in an infrared temperature measuring device with adjustable focus angle provided by an embodiment of the present invention;

[0020] Figure 3 It is a structural schematic diagram of an infrared thermometer in an infrared temperature measuring device with adjustable focus angle provided by an embodiment of the present invention;

[0021] Among them, 1. infrared thermometer; 11. outer shell; 12. installation section; 13. inner cabin; 14. installation nut; 2. first adapter; 3. adjustment mechanism; 31. screw; 32. threaded adjustment part; 33. compression spring; 4. second adapter. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Figure 1 The figure is a schematic diagram of the overall structure of an infrared temperature measuring device with adjustable focusing angle provided by one embodiment of the present invention.

[0024] like Figure 1As shown, an embodiment of the present invention provides an infrared temperature measuring device with adjustable focus angle, including an infrared thermometer 1, which can measure the temperature of the focus position of its detector by using the principle of infrared detection, and can also emit a positioning laser to indicate the current focus position of the infrared thermometer 1, a first adapter 2 is installed on the infrared thermometer 1, and a second adapter 4 is installed on a temperature measurement target device (such as a vacuum sintering furnace or other equipment), the first adapter 2 and the second adapter 4 are connected by an adjustment mechanism 3, and the adjustment mechanism 3 is provided with at least three groups between the first adapter 2 and the second adapter 4;

[0025] The end where the adjustment mechanism 3 is connected to the first adapter 2 is the first end, and the first end where the adjustment mechanism 3 is connected to the second adapter 4 is the second end. The two first ends can be connected to form a straight line, and the first ends of at least one group of adjustment mechanisms 3 are not on the straight line, that is, the first ends of at least one group of adjustment mechanisms 3 are not colinear with the other first ends. The adjustment mechanism 3 can adjust the distance and angle between the plane where the first end is located and the plane where the second end is located by changing the distance between the first end and the second end, that is, it can adjust the distance and angle between the first adapter 2 and the second adapter 4, so that the light spot of the above-mentioned positioning laser falls on different positions in the temperature measurement target device. When the light spot of the positioning laser is adjusted to fall on the specified position where the temperature needs to be measured, the focus position of the infrared thermometer 1 is aligned with the position where the temperature needs to be measured, so that the infrared thermometer 1 can accurately measure the temperature of the position.

[0026] The first adapter 2 and the second adapter 4 should be adjusted and set according to the specific structure of the infrared thermometer 1 and the temperature measurement target device. Figure 1 In the embodiment shown, the target temperature measurement device is a vacuum sintering furnace, and the end of the vacuum sintering furnace has a cylindrical transition section. Therefore, the second adapter 4 can have a corresponding circular inner hole for being sleeved on the cylindrical transition section to complete the positioning and installation of the second adapter 4 and the target temperature measurement device.

[0027] In one preferred embodiment, the first adapter 2 has a first reference surface, the second adapter 4 has a second reference surface, and the adjustment mechanism 3 is connected between the first reference surface and the second reference surface. Figure 1 As shown in FIG. 1 , the surfaces opposite to the first adapter 2 and the second adapter 4 are the first reference plane and the second reference plane. Using the two reference planes as the adjustment references of the adjustment mechanism 3 makes it easier for the actual operator to operate the adjustment mechanism 3 according to the spot position of the current positioning laser and the relative positions of the two reference planes, thereby simplifying the focus adjustment process. In addition, Figure 1 As shown, the first reference plane and the second reference plane can be set to be nearly parallel, which makes it easier for actual operators to control and adjust the relative positions of the two reference planes.

[0028] In some other embodiments, the first end located on the first adapter 2 may not be in the same plane or in a complete plane, and the second end located on the second adapter 4 may not be in the same plane or in a complete plane. As long as the adjustment mechanism 3 can adjust the distance between the first end and the second end to adjust the relative position of the first adapter 2 and the second adapter 4, it will not be elaborated here.

[0029] Figure 2 The diagram is a schematic structural diagram of an adjusting mechanism in an infrared temperature measuring device with adjustable focusing angle provided in one embodiment of the present invention.

[0030] like Figure 1 and Figure 2 As shown, in one of the preferred embodiments, three groups of adjustment mechanisms 3 are provided, and the three groups of adjustment mechanisms 3 are arranged in an equilateral triangle, so that the three groups of first ends form an equilateral triangle on the first reference plane, and the three groups of second ends form an equilateral triangle on the second reference plane. Three groups of adjustment mechanisms 3 are provided, and when the position of the first end (or the second end) of one group of adjustment mechanisms 3 is adjusted, the first reference plane (or the second reference plane) rotates around the line connecting the other two groups of first ends (or second ends), and the three groups of adjustment mechanisms 3 are arranged in an equilateral triangle. On the one hand, when the distance between the first end and the second end of each group is adjusted, the ratio of the rotation amplitude of the first reference plane (or the second reference plane) to the change in the above-mentioned distance is the same, which is more convenient for operation and use. On the other hand, the structures of the first adapter, the second adapter and the adjustment mechanism can be simplified to the greatest extent, which is more convenient for manufacturing and installation.

[0031] like Figure 2 As shown, when the number of the adjustment mechanisms 3 is three groups, the first adapter 2 and the second adapter 4 can be triangular discs as shown in the figure, so that the adjustment mechanisms 3 are respectively connected to the three corresponding corners of the first adapter 2 and the second adapter 4; the first adapter 2 and the second adapter 4 can also be provided with a central skeleton, and three groups of mounting brackets are radially extended outward on the central skeleton, so that the first adapter 2 and the second adapter 4 are in a "Y" shape. No matter which structure is adopted, the structure of the first adapter 2 and the second adapter 4 should be simplified as much as possible so that they can be installed on the infrared thermometer 1 and the temperature measurement target equipment, as well as connected and installed to the adjustment mechanism 3. By simplifying the structure of the first adapter 2 and the second adapter 4, the manufacturing cost can be reduced, and the overall weight of the adapter can be reduced, which makes it easier to operate when adjusting the adjustment mechanism 3.

[0032] In addition, the number of adjustment mechanisms 3 can also be set to four or five groups. It should be noted that the adjustment mechanisms 3 should be surrounded by a standard shape as much as possible, such as a square, a circle, etc., so that when the distance between the first end and the second end of each group is adjusted, the ratio of the rotation amplitude of the first reference plane (or the second reference plane) to the change in the above-mentioned distance is the same.

[0033] Figure 3 The invention is a schematic structural diagram of an infrared thermometer in an infrared temperature measuring device with adjustable focusing angle provided in one embodiment of the present invention.

[0034] like Figure 1 and Figure 3 As shown, the infrared thermometer 1 includes a cylindrical housing 11, the axis of the housing 11 is colinear with the positioning laser, and the first reference plane is perpendicular to the axis of the housing 11, so that when the first adapter 2 is installed in the housing 11, its first reference plane is perpendicular to the light of the positioning laser. At this time, the second reference plane of the second adapter 4 is used as a fixed reference. Since the second adapter 4 is relatively fixed to the temperature measurement target device, the first reference plane is perpendicular to the light of the positioning laser. Therefore, when the relative position of the first adapter 2 and the second reference plane is adjusted, the positioning laser performs a corresponding action relative to the position where the temperature needs to be measured, which is more convenient for operation during the focusing process.

[0035] The housing 11 and the first adapter 2 can be connected by threads, for example, an external thread is provided on the housing 11, and an internal thread is provided on the first adapter 2 for matching connection; the first adapter 2 can also be sleeved on the housing 11, and clamping parts are provided on both sides of the first adapter 2 on the housing 11, and the clamping parts can be detachably connected to the housing 11, for example, the clamping parts can be selected from positioning parts such as retaining springs, and after the first adapter 2 is sleeved on the housing 11, retaining springs are installed on both sides thereof to clamp and fix the first adapter 2 on the housing 11;

[0036] In addition, other connection methods can also be used for the outer shell 11 and the first adapter 2. For example, the inner hole of the first adapter 2 and the outer shell 11 is set to be "C" shaped, and locking parts extend radially outward at both ends. When locking force is applied to the two locking parts, the inner hole of the "C"-shaped structure has a tendency to shrink inward, so that the first adapter 2 is fixed on the outer shell 11 after its inner hole shrinks to a certain extent.

[0037] Further, such as Figure 1 and Figure 3As shown, the housing 11 is provided with a mounting section 12 and an inner chamber 13 in sequence along the direction of the positioning laser, the first adapter 2 is installed on the mounting section 12, the inner chamber 13 is provided with electrical components, such as a temperature measuring detector, which is the core component of the infrared thermometer and is used to measure the temperature of its focus position, and a laser transmitter, which is used to emit a positioning laser and can indicate the current focus position of the temperature measuring detector, and the second adapter 4 is provided with a clearance hole corresponding to the optical path of the temperature measuring detector and the laser transmitter;

[0038] Since the mounting section 12 and the inner cabin 13 are arranged in sequence along the optical path direction of the positioning laser, after the first adapter 2 is installed on the mounting section 12, the inner cabin 13 is located on the side of the first adapter 2 close to the second adapter 4, that is, the inner cabin 13 is made as close to the target temperature measuring device as possible, which makes it easier to locate and measure the temperature at the corresponding position in the target temperature measuring device.

[0039] Further, in Figure 1 and Figure 3 In the illustrated embodiment, the outer diameter of the outer shell 11 is larger than the outer diameter of the mounting section 12, so that the connection between the outer shell 11 and the mounting section 12 forms a step shape, and the mounting section 12 is provided with an external thread extending to the step end face of the above-mentioned step-shaped structure, and the first adapter 2 is provided with an internal thread. When the first adapter 2 moves toward the outer shell 11 on the external thread of the mounting section 12 until it is close to the step surface, the fixed connection between the first adapter 2 and the infrared thermometer 1 is completed.

[0040] In addition, if Figure 1 and Figure 3 As shown, the inner hole size of the first adapter 2 can also be set to be larger than the outer diameter of the external thread on the mounting section 12. After the first adapter 2 is sleeved on the mounting section 12, a corresponding mounting nut 14 is set on the mounting section 12. The end face of the mounting nut 14 and the step end face of the above-mentioned shell 11 clamp the two sides of the first adapter 2, thereby fixing the first adapter 2 on the infrared thermometer 1.

[0041] like Figure 2As shown, in one of the preferred embodiments, each group of adjustment mechanisms 3 includes a screw 31, a threaded adjustment member 32 and a compression spring 33. The screw 31 is inserted between the first adapter 2 and the second adapter 4, and the head of the screw 31 abuts against the end surface of the second adapter 4 away from the first adapter 2. The threaded adjustment member 32 is installed on the screws 31 on both sides of the first adapter 2. A compression spring 33 is arranged between the first adapter 2 and the threaded adjustment member 32 on the side of the second adapter 4. Through the action of the compression spring 33, an end surface of the first adapter 2 away from the second adapter 4 abuts against the threaded adjustment member 32. By adjusting the position of the threaded adjustment member 32 on the screw 31, the relative movement of the first adapter 2 and the second adapter 4 can be achieved. By adjusting the position of the other threaded adjustment member 32 on the screw 31, the acting force between the compression spring 33 and the first adapter 2 can be controlled.

[0042] The threaded adjustment member 32 may be selected from the following: Figure 2 The butterfly nut shown in FIG. 1 has two extended handles, which are convenient for operators to manually turn the threaded adjustment member 32. In addition, Figure 2 As shown, the extension portion of the butterfly nut and the head of the screw 31 are used to clamp the second adapter 4, so that the second adapter 4 and the screw 31 are relatively fixed. An additional nut can also be provided on the screw 31, and the second adapter 4 is clamped by the nut and the head of the screw 31 to achieve relative fixation of the second adapter 4 and the screw 31, so that the second adapter 4 can be fixed and the first adapter 2 can be adjusted with its second reference surface as a reference.

[0043] In addition, a gasket may be provided between the threaded adjusting member 32 and the first adapter member 2 to scratch the surface of the first adapter member 2 when the threaded adjusting member 32 is rotated.

[0044] The adjusting mechanism 3 may also adopt other structures. For example, in one preferred embodiment, the adjusting mechanism 3 includes a threaded rod and a threaded sleeve. The threaded rod is inserted between the first adapter 2 and the second adapter 4. The threaded sleeve can reciprocate on the threaded rod by threaded engagement. The threaded sleeves are respectively located on both sides of the first adapter 2 and the second adapter 4, that is, the first adapter 2 and the second adapter 4 are clamped and fixed on the threaded rod by the threaded sleeves. By changing the position of the threaded sleeve on the threaded rod, the position of the first adapter 2 and the second adapter 4 on the threaded rod can be changed, so as to realize the adjustment of the relative position and angle of the first adapter 2 and the second adapter 4.

[0045] It should be noted that the through holes on the first adapter 2 and the second adapter 4 for inserting the screws 31 and the threaded rods should be larger than the outer diameter of the screws 31 or the threaded rods, so that when the first adapter 2 or the second adapter 4 is deflected, the through holes will not interfere with the screws 31 or the threaded rods.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention is described in detail with reference to the embodiments, it should be understood by those skilled in the art that any modification or equivalent replacement of the technical solutions of the present invention does not depart from the spirit and scope of the technical solutions of the present invention and should be included in the scope of the claims of the present invention.

Claims

1. An infrared temperature measuring device with adjustable focus angle, characterized in that: include: An infrared thermometer capable of emitting a positioning laser to indicate the current focus position of the infrared thermometer; A first adapter and a second adapter, wherein the first adapter can be installed on the infrared thermometer, and the second adapter can be installed on a temperature measurement target; An adjustment mechanism, used to connect the first adapter and the second adapter, wherein at least three groups of the adjustment mechanism are provided between the first adapter and the second adapter, and each group of the adjustment mechanism has a first end connected to the first adapter and a second end connected to the second adapter; Among them, the two first ends are connected to form a first straight line, and the first end of at least one group of the adjustment mechanisms is located outside the first straight line; each group of the adjustment mechanisms can change the distance between the corresponding first end and the second end to change the angle between the plane where the first end is located and the plane where the second end is located.

2. The infrared temperature measuring device according to claim 1, characterized in that: The first adapter has a first reference surface, and the first ends are located on the first reference surface; the second adapter has a second reference surface, and the second ends are located on the second reference surface.

3. The infrared temperature measuring device according to claim 2, characterized in that: The adjustment mechanism is provided with three groups, the first ends of the three groups form an equilateral triangle on the first reference plane, and the second ends of the three groups form an equilateral triangle on the second reference plane.

4. The infrared temperature measuring device according to claim 2, characterized in that: The infrared thermometer comprises a cylindrical shell, the axis of the shell is colinear with the positioning laser, and the first reference plane is perpendicular to the axis of the shell.

5. The infrared temperature measuring device according to claim 4, characterized in that: The housing and the first adapter are detachably connected via threaded engagement.

6. The infrared temperature measuring device according to claim 4, characterized in that: The first adapter has an inner hole matching the outer diameter of the shell. The first adapter is sleeved on the shell. Both sides of the first adapter are provided with clamping parts detachably connected to the shell.

7. The infrared temperature measuring device according to claim 5 or 6, characterized in that: A mounting section and an inner cabin are sequentially arranged on the outer shell along the emitting direction of the positioning laser. The first adapter is installed on the mounting section. A temperature measuring detector is arranged in the inner cabin for measuring the temperature of its focusing position. A laser emitter is also arranged in the inner cabin for emitting the positioning laser. A clearance hole corresponding to the optical path of the temperature measuring detector and the laser emitter is arranged on the second adapter.

8. The infrared temperature measuring device according to claim 1, characterized in that: Each set of the adjustment mechanism includes a screw, a threaded adjustment member and a compression spring. The threaded adjustment member has an internal thread matching the screw. The screw is inserted between the first adapter and the second adapter, and the head of the screw abuts against the end surface of the second adapter away from the first adapter. The threaded adjustment member is installed on the screws on both sides of the first adapter, and the compression spring is located between a side of the first adapter facing the second adapter and the threaded adjustment member.

9. The infrared temperature measuring device according to claim 1, characterized in that: Each set of the adjustment mechanism includes a threaded rod and a threaded sleeve, wherein the threaded rod is inserted between the first adapter and the second adapter, wherein the threaded rod is relatively fixed to the first adapter or the second adapter, and the threaded sleeve has an internal thread matching the threaded rod, and on each of the threaded rods, the threaded sleeve is respectively located on both sides of the first adapter and both sides of the second adapter, and the position of the first adapter or the second adapter on the threaded rod can be changed by changing the position of the threaded sleeve on the threaded rod.

10. The infrared temperature measuring device according to claim 8 or 9, characterized in that: The threaded adjusting member and the threaded sleeve are butterfly nuts.

Images