A miniature portable infrared thermometer

Abstract

The present application relates to the technical field of thermometers, and discloses a miniature portable infrared thermometer, which comprises a cylindrical shell, an end face of the shell is provided with a receiving groove, the shell is provided with a cover body capable of sealing the receiving groove, a detection structure for detecting human body temperature, a digital display structure for displaying the detected human body temperature, and a power supply structure for supplying power to the detection structure and the digital display structure are provided in the shell; the detection structure comprises a first PCB board arranged in the receiving groove and a measuring button arranged on the shell, a sensor for detecting human body temperature is provided on one side of the first PCB board along the thickness direction, a through hole capable of allowing infrared rays to pass through is provided on the outer circumferential surface of the shell, and the measuring button is used to control the sensor to perform measurement. The present application reduces the volume of the thermometer and has a portable effect.

Description

Technical Field

[0001] The present application relates to the technical field of thermometers, and in particular to a miniature portable infrared thermometer. Background Art

[0002] An infrared thermometer is a device used to measure human body temperature and is widely used in medical and home health monitoring.

[0003] In the related art, the infrared thermometer includes a shell, a handle is provided on one side of the shell, a sensor is provided in the shell, and a button for controlling the opening and closing of the sensor is provided on the handle.

[0004] Existing thermometers are large in size and not easy to carry around. When people need to use a thermometer outdoors, they need to go to a hospital, pharmacy or clinic to measure their temperature, which is very inconvenient. Therefore, it is necessary to improve the thermometer. Summary of the invention

[0005] In order to improve the volume of the thermometer, the present application provides a miniature portable infrared thermometer.

[0006] The present application provides a miniature portable infrared thermometer, which adopts the following technical solution:

[0007] A miniature portable infrared thermometer comprises a cylindrical shell, an end face of the shell is provided with a receiving groove, the shell is provided with a cover body capable of sealing the receiving groove, a detection structure for detecting human body temperature, a digital display structure for displaying the detected human body temperature and a power supply structure for supplying power to the detection structure and the digital display structure are provided in the shell; the detection structure comprises a first PCB board arranged in the receiving groove and a measuring button arranged on the shell, a sensor for detecting human body temperature is provided on one side of the first PCB board along the thickness direction, a through hole capable of allowing infrared rays to pass through is provided on the outer circumferential surface of the shell, and the measuring button is used to control the sensor to perform measurement.

[0008] By adopting the above technical solution, the power supply structure supplies power to the detection structure and the digital display structure. By pressing the measurement button, the human body is measured through the inspection structure, and the detected temperature is displayed through the digital display structure, so that the user can understand the body temperature of the person being measured; the thermometer is designed to be cylindrical as a whole, the handle component is eliminated, the volume of the thermometer is reduced, and the thermometer is easy to carry.

[0009] Optionally, a supporting structure is provided on the shell, a fixing hole is provided on the outer circumferential surface of the supporting structure, the supporting structure includes an operating plate inserted in the fixing hole, an operating groove is provided on the side of the operating plate away from the accommodating groove, an operating block is inserted in the operating groove, a limiting component for limiting the movement of the operating block is provided between the operating block and the operating plate, and a positioning component for limiting the movement of the operating plate is provided on the shell.

[0010] By adopting the above technical solution, the operating panel is driven to move so that the operating panel gradually extends out of the shell, and then the operating panel is restricted by the positioning component so that the operating panel cannot move. Then the operating block is driven to extend out of the operating slot, and the operating block is locked by the limit component to unfold the supporting structure. When the thermometer is detecting the human body, the supporting block is brought into contact with the human body, and then the thermometer is started to measure the object, so that the detection result is more accurate.

[0011] Optionally, a dovetail-shaped slide groove is provided on the inner wall of the accommodating groove, and the length of the slide groove is consistent with the axis of the accommodating groove. The positioning assembly includes a slider slidably arranged in the slide groove, and an operating hole for inserting the slider is provided on the end surface of the operating plate facing the slider. A sliding hole is provided on the bottom wall of the slide groove, and a movable rod is arranged in the sliding hole, and one end of the movable rod is connected to the slider.

[0012] By adopting the above technical solution, during the process of driving the operating plate to extend out of the fixing hole, when the operating hole is aligned with the slider, the movable rod is driven to move toward the operating plate, and the movable rod drives the slider to be inserted into the operating groove, so that the operating plate cannot continue to move along the axis of the fixing hole, thereby limiting the position of the operating plate.

[0013] Optionally, the through hole is connected to a slide groove, and the slider can block the through hole.

[0014] By adopting the above technical solution, the slider blocks the through hole, which can prevent foreign matter from entering the accommodating groove, avoid the foreign matter from affecting the sensor, and improve the service life of the sensor.

[0015] Optionally, an operating hole connected to the operating slot is provided on the side of the operating plate facing the slider, a groove is provided on the side of the operating block facing the bottom wall of the operating slot, the groove passes through the operating block in the direction of the operating hole, a guide groove is provided on the inner wall of the operating hole away from the bottom wall of the operating slot, a rope is passed through the guide groove, one end of the rope is connected to the bottom wall of the groove, and the other end of the rope is connected to the slider.

[0016] By adopting the above technical solution, when the operating block extends out of the shell along the axis of the fixed hole, the operating block pulls the rope body, and the rope body drives the slider to slide in the slide groove. When the operating hole is aligned with the slider, the slider is inserted into the operating groove to limit the operating panel.

[0017] Optionally, the support structure is provided with two groups, and the two groups of support structures are symmetrically distributed about the axis of the through hole. A storage groove is provided on the end surface of the slider away from the operating panel, and a magnet is provided in the storage groove, and the two magnets can cooperate with each other by magnetic attraction.

[0018] By adopting the above technical solution, two groups of supporting structures are set up. After the two supporting structures are unfolded, the thermometer has two fulcrums for the object, making the thermometer more accurate in measuring the human body; by adopting the above technical solution, when the two magnets are magnetically attracted to each other, the two sliders are connected, so that the slider blocks the through hole, preventing foreign matter from entering the accommodating groove, thereby protecting the sensor.

[0019] Optionally, a mounting groove is provided on the side of the operating block, and the positioning assembly includes a card block and a spring arranged in the mounting groove, the spring is in a compressed state, one end of the spring abuts against the bottom wall of the mounting groove, and the other end of the spring abuts against the card block, and a card slot for inserting the card block is provided in the operating groove, and an operating member for driving the card block to disengage from the card slot is provided on the operating panel.

[0020] By adopting the above technical solution, during the process of driving the operating block to extend out of the operating slot, when the installation slot is aligned with the card block, the spring reset drives the card block to move, so that the card block is inserted into the card slot, so that the operating block cannot continue to extend out of the operating slot, thereby achieving locking of the operating block and the operating panel.

[0021] Optionally, a plug hole is formed on the bottom wall of the operating groove, and the operating member includes a push rod passing through the plug hole and a push block arranged in the operating groove, and one end of the push rod is connected to the push block.

[0022] By adopting the above technical solution, the push rod is driven to move toward the operating slot, so that the push rod pushes the card block inserted into the card slot through the push block, so that the card block is out of the card slot. The user can drive the operating block to move toward the bottom wall of the operating slot to store the operating block.

[0023] Optionally, a visible hole connected to the accommodating groove is provided on a side of the outer circumferential surface of the shell away from the through hole, and the digital display structure includes an LCD bracket arranged in the accommodating groove, the LCD bracket surrounds the visible hole device, a liquid crystal screen is arranged in the LCD bracket, and a second PCB board is arranged on a side of the LCD bracket away from the visible hole.

[0024] By adopting the above technical solution, the staff can observe the LCD screen through the viewing hole and understand the current body temperature of the person being tested.

[0025] Optionally, a mounting hole is formed in the bottom wall of the shell, and the power supply structure includes a battery arranged on the cover body and a switch button arranged in the mounting hole, and the switch button is used to control power on and off between the first PCB board and the battery.

[0026] By adopting the above technical solution, when the switch button connects the first PCB board with the battery, the battery supplies power to the first PCB board; when the switch button disconnects the first PCB board from the battery, the battery power is no longer output, thus saving the battery power.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The power supply structure supplies power to the detection structure and the digital display structure. Pressing the measurement button allows the detection structure to measure the human body, and the detected body temperature is displayed through the digital display structure, so that the user can understand the body temperature of the person being measured; the thermometer is designed as a cylindrical shape, the handle is removed, the volume of the thermometer is reduced, and the thermometer is easy to carry;

[0029] 2. Expand the support structure and make it contact with the human body when detecting human body temperature, so that the distance between the sensor and the human body is maintained within an appropriate distance, making the thermometer detection more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;

[0032] Figure 2 is along Figure 1 Sectional view along line AA;

[0033] Figure 3 is a cross-sectional view highlighting the internal structure of the shell;

[0034] Figure 4 yes Figure 2 A magnified schematic diagram of part B;

[0035] Figure 5 It is a schematic diagram of the structure of the supporting structure;

[0036] Figure 6 is along Figure 5 Sectional view along the CC line.

[0037] Figure numerals: 1, housing; 11, accommodating groove; 12, through hole; 13, perforation; 14, visual hole; 15, mounting hole; 16, fixing hole; 17, slide groove; 18, slide hole; 2, cover; 3, detection structure; 31, sensor; 32, first PCB board; 33, measurement button; 34, limit strip; 4, power supply structure; 41, battery; 42, switch button; 5, digital display structure; 51, second PCB board; 52, LCD bracket; 53, LCD screen; 54, visual window; 55, conductive element; 6, support structure Structure; 61, operating panel; 611, limiting part; 612, operating slot; 613, guide slot; 614, card slot; 615, jack; 616, operating hole; 617, guide slot; 62, operating block; 621, guide block; 622, mounting slot; 623, groove; 63, limiting assembly; 631, spring; 632, card block; 64, positioning assembly; 641, slider; 6411, storage slot; 6412, magnet; 642, movable rod; 65, operating member; 651, push block; 652, push rod; 66, rope. DETAILED DESCRIPTION

[0038] The following is combined with Figure 1-6 This application is described in further detail.

[0039] This embodiment discloses a miniature portable infrared thermometer. Figure 1 and Figure 2 A miniature portable infrared thermometer includes a shell 1 and a cover 2. The shell 1 is cylindrical, and a receiving groove 11 is provided on the end surface of the shell 1. In other embodiments, the shell 1 can also be in the shape of a cuboid, a straight hexagonal prism, an elliptical cylinder, etc. The cover 2 covers the shell 1 to block the receiving groove 11. The cover 2 and the shell 1 can be connected by snap-fitting, threaded connection, plug-in connection, etc.

[0040] Reference Figure 1 and Figure 2 A detection structure 3, a power supply structure 4 and a digital display structure 5 are arranged in the accommodating groove 11.

[0041] Reference Figure 2 and Figure 3 The detection structure 3 is used to measure the temperature of a human body or an object. The detection structure 3 includes a sensor 31, a first PCB board 32 and a measuring button 33. A through hole 12 is provided on the outer circumferential surface of the housing 1, and the through hole 12 is connected to the receiving groove 11. Two limit bars 34 are fixedly connected to the inner circumferential surface of the receiving groove 11, and the two limit bars 34 are distributed around the circumference of the receiving groove 11, and the through hole 12 is located between the two limit bars 34.

[0042] Reference Figure 2 and Figure 3An infrared temperature sensor 31 is used, and the sensor 31 is set between two limit bars 34. One end of the sensor 31 contacts one limit bar 34, and the other end of the sensor 31 contacts the other limit bar 34, so that the through hole 12 on the shell 1 is aligned with the output hole on the sensor 31.

[0043] Reference Figure 2 and Figure 3 The outer circumferential surface of the housing 1 is provided with a through hole 13, which is located on one side of the through hole 12 around the circumference of the housing 1. The measuring button 33 is penetrated in the through hole 13. After the detection structure 3 is powered on, the measuring button 33 can control the sensor 31 to measure the human body.

[0044] Reference Figure 2 The digital display structure 5 is used to display the detected temperature, and the digital display structure 5 includes a second PCB board 51, an LCD bracket 52, a liquid crystal screen 53 and a visual window 54. The outer circumferential surface of the housing 1 has a visual hole 14, which is connected to the accommodating groove 11 and is located at one end of the accommodating groove 11 away from the through hole 12. The visual window 54 is fixedly connected to the visual hole 14.

[0045] Reference Figure 2 , the second PCB board 51, the LCD bracket 52, and the LCD screen 53 are all arranged in the accommodating groove 11. The second PCB board 51 is arranged on the side of the first PCB board 32 away from the sensor 31. A conductive element 55 is arranged between the second PCB board 51 and the first PCB board 32 to connect the two. The LCD screen 53 is fixedly connected to the end surface of the second PCB board 51 away from the first PCB board 32, and the LCD screen 53 is aligned with the visual hole 14. The LCD bracket 52 is sleeved outside the LCD screen 53, one end of the LCD bracket 52 is connected to the second PCB board 51, and the other end of the LCD bracket 52 is in contact with the inner wall of the housing 1.

[0046] Reference Figure 1 and Figure 2 The power supply structure 4 is used to supply power to the detection structure 3 and the digital display structure 5. The power supply structure 4 includes a battery 41 and a switch button 42.

[0047] Reference Figure 1 and Figure 2 , the battery 41 is arranged in the storage cavity of the cover body 2, and the first PCB board 32 and the switch button 42 are electrically connected to the battery 41. The bottom wall of the accommodating groove 11 is provided with a mounting hole 15, and the switch button 42 is arranged in the mounting hole 15. The switch button 42 is used to control the power on and off of the battery 41 and the first PCB board 32. In other embodiments, the battery 41 is arranged on the first PCB board 32 / the second PCB board 51, and the battery 41 is located between the first PCB board 32 and the second PCB board 51.

[0048] Reference Figure 3 and Figure 4 Two supporting structures 6 are arranged on the housing 1, and the two supporting structures 6 are symmetrically distributed about the axis of the through hole 12. The supporting structure 6 includes an operating plate 61, an operating block 62, a limiting assembly 63 and a positioning assembly 64.

[0049] Reference Figure 3 and Figure 4 The outer circumferential surface of the housing 1 is provided with two fixing holes 16 , which are distributed along the axis of the receiving groove 11 . The two fixing holes 16 are symmetrically distributed about the axis of the through hole 12 .

[0050] Reference Figure 3 and Figure 5 The operation plate 61 is inserted into the fixing hole 16, and the end surface of the operation plate 61 along the circumferential direction of the housing 1 is fixedly connected with a limiting portion 611, and the limiting portion 611 is located in the receiving groove 11. When the operation plate 61 is extended out of the housing 1, when the limiting portion 611 abuts against the inner circumferential surface of the receiving groove 11, the operation plate 61 is restricted from moving further.

[0051] Reference Figure 3 and Figure 4 The end surface of the operating plate 61 away from the accommodating groove 11 is provided with an operating groove 612, and the operating block 62 is inserted into the operating groove 612. The end surface of the operating groove 612 away from the through hole 12 is provided with a guide groove 613, which is in the shape of a long groove, and the length of the guide groove 613 is consistent with the axial direction of the operating groove 612.

[0052] Reference Figure 4 The end surface of the operating block 62 facing the guide groove 613 is fixedly connected with a guide block 621, and the guide block 621 is slidably disposed in the guide groove 613. When the guide block 621 abuts against the inner wall of the guide groove 613 away from the bottom wall of the operating groove 612, the operating block 62 is restricted from further extending out of the operating groove 612.

[0053] Reference Figure 3 and Figure 6 The limit assembly 63 is arranged to limit the movement of the operating plate 61. The limit assembly 63 includes a spring 631 and a clamping block 632. The operating block 62 is provided with a mounting groove 622 on the end surface along the circumference of the housing 1, and the spring 631 and the clamping block 632 are both arranged in the mounting groove 622. The spring 631 is in a compressed state. One end of the spring 631 abuts against the clamping block 632, and the other end of the spring 631 abuts against the bottom wall of the mounting groove 622.

[0054] Reference Figure 3 and Figure 6 A card slot 614 is provided on the inner wall of the installation slot 622, and the card slot 614 can be inserted into the card block 632. When the card block 632 is inserted into the card slot 614, the guide block 621 abuts against the inner wall of the guide slot 613 away from the bottom wall of the operating slot 612.

[0055] Reference Figure 3 and Figure 6 , an operating member 65 is provided on the operating panel 61, and the operating member 65 is used to drive the card block 632 to disengage from the card slot 614. The operating member 65 includes a push block 651 and a push rod 652. A plug hole 615 is provided on the bottom wall of the card slot 614. The push block 651 is arranged in the operating slot 612. The push rod 652 is inserted into the plug hole 615. One end of the push rod 652 is fixedly connected to the push rod 652, and the other end of the push rod 652 can extend out of the operating panel 61. When the end face of the push rod 652 away from the push block 651 is coplanar with the outer surface of the operating panel 61, the end face of the push block 651 away from the push rod 652 is coplanar with the inner wall of the operating slot 612.

[0056] Reference Figure 3 and Figure 6 The positioning assembly 64 is disposed on the housing 1 , and the positioning assembly 64 limits the movement of the operation panel 61 . The positioning assembly 64 includes a slider 641 and a movable rod 642 .

[0057] Reference Figure 2 A slide groove 17 is provided on the inner wall of the receiving groove 11. The slide groove 17 is located between the through hole 12 and the fixing hole 16. The slide groove 17 is in the shape of a dovetail groove. The opening of the slide groove 17 gradually increases in the direction away from the axis of the receiving groove 11. One side of the slide groove 17 is connected to the through hole 12, and the other end of the slide groove 17 is connected to the fixing hole 16. A slide hole 18 is provided on the bottom wall of the slide groove 17. The slide hole 18 is in the shape of a long strip hole, and the length of the slide hole 18 is consistent with the axis direction of the receiving groove 11.

[0058] Reference Figure 2 and Figure 5 The slider 641 is in the shape of a dovetail block, and the slider 641 is slidably disposed in the slide groove 17. An operating hole 616 is provided on the side of the operating plate 61 facing the through hole 12, and the operating hole 616 is communicated with the operating groove 612. The slider 641 can be inserted into the operating hole 616. When the limiting portion 611 abuts against the inner wall of the operating hole 616, the operating hole 616 is aligned with the slide groove 17, and at this time, the slider 641 is driven to move toward the operating plate 61, so that the slider 641 can be inserted into the operating hole 616 to limit the operating plate 61.

[0059] Reference Figure 2 and Figure 5 The slider 641 moves away from the fixing hole 16 to cover the through hole 12. The end surface of the slider 641 away from the operating plate 61 is provided with a storage groove 6411, and a magnet 6412 is fixed in the storage groove 6411. The magnets 6412 in the two supporting structures 6 can be magnetically matched to connect the two sliders 641.

[0060] Reference Figure 2 and Figure 5The movable rod 642 is slidably disposed in the sliding hole 18, and one end of the movable rod 642 is fixedly connected to the slider 641. The slider 641 can be driven by the movable rod 642.

[0061] Reference Figure 4 and Figure 5 A groove 623 is formed on one side of the operating block 62 facing the bottom wall of the operating slot 612, and the groove 623 penetrates the operating block 62 toward the operating hole 616. A guide groove 617 is formed on the inner wall of the operating hole 616 away from the bottom wall of the operating slot 612, and a rope 66 is passed through the guide groove 617. One end of the rope 66 is connected to the bottom wall of the groove 623, and the other end of the rope 66 is connected to the slider 641 toward the operating block 62.

[0062] The implementation principle of a miniature portable infrared thermometer in the embodiment of the present application is as follows: pull the operating block 62 to gradually extend the operating block 62 out of the operating slot 612 and the operating panel 61 out of the housing 1, and at the same time, the operating block 62 drives the slider 641 to move through the rope 66 to open the through hole 12. When the guide block 621 contacts the inner wall of the guide slot 613 away from the bottom wall of the operating slot 612, and the mounting slot 622 is aligned with the card slot 614, the spring 631 resets and drives the card block 632 to be inserted into the card slot 614; when the limiting portion 611 contacts the inner wall of the accommodating slot 11, the operating hole 616 is aligned with the slide slot 17, and the slider 641 is driven by the rope 66 to be inserted into the operating hole 616. Press the switch button 42 to power on the thermometer, and press the measurement button 33 to make the thermometer measure the human body / object.

[0063] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0064] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. A miniature portable infrared thermometer, characterized in that: The invention comprises a cylindrical shell (1), the end surface of the shell (1) is provided with a receiving groove (11), the shell (1) is provided with a cover body (2) capable of sealing the receiving groove (11), the shell (1) is provided with a detection structure (3) for detecting human body temperature, a digital display structure (5) for displaying the detected human body temperature, and a power supply structure (4) for supplying power to the detection structure (3) and the digital display structure (5); the detection structure (3) comprises a first PCB board (32) arranged in the receiving groove (11) and a measuring button (33) arranged on the shell (1), a sensor (31) for detecting human body temperature is arranged on one side of the first PCB board (32) in the thickness direction, a through hole (12) capable of allowing infrared rays to pass through is arranged on the outer circumferential surface of the shell (1), and the measuring button (33) is used to control the sensor (31) to perform measurement; The shell (1) is provided with a support structure (6), the outer circumferential surface of the support structure (6) is provided with a fixing hole (16), the support structure (6) comprises an operating plate (61) inserted into the fixing hole (16), an operating groove (612) is provided on a side of the operating plate (61) away from the receiving groove (11), an operating block (62) is inserted into the operating groove (612), a limiting component (63) for limiting the movement of the operating block (62) is provided between the operating block (62) and the operating plate (61), and a positioning component (64) for limiting the movement of the operating plate (61) is provided on the shell (1); The inner wall of the accommodating groove (11) is provided with a dovetail-shaped slide groove (17), the length of the slide groove (17) is consistent with the axis of the accommodating groove (11), the positioning assembly (64) includes a slider (641) slidably arranged in the slide groove (17), the end surface of the operating plate (61) facing the slider (641) is provided with an operating hole (616) for inserting the slider (641), the bottom wall of the slide groove (17) is provided with a slide hole (18), a movable rod (642) is arranged in the slide hole (18), and one end of the movable rod (642) is connected to the slider (641); The operating plate (61) is provided with an operating hole (616) connected to the operating groove (612) on one side facing the slider (641); the operating block (62) is provided with a groove (623) on one side facing the bottom wall of the operating groove (612); the groove (623) penetrates the operating block (62) in the direction of the operating hole (616); the inner wall of the operating hole (616) away from the bottom wall of the operating groove (612) is provided with a guide groove (617); a rope (66) is passed through the guide groove (617); one end of the rope (66) is connected to the bottom wall of the groove (623); and the other end of the rope (66) is connected to the slider (641).

2. A miniature portable infrared thermometer according to claim 1, characterized in that: The through hole (12) is in communication with the slide groove (17), and the sliding block (641) is capable of blocking the through hole (12).

3. A miniature portable infrared thermometer according to claim 2, characterized in that: The support structure (6) is provided with two groups, and the two groups of the support structure (6) are symmetrically distributed about the axis of the through hole (12). The end surface of the slider (641) away from the operating panel (61) is provided with a storage groove (6411), and a magnet (6412) is provided in the storage groove (6411), and the two magnets (6412) can be magnetically attracted to cooperate with each other.

4. A miniature portable infrared thermometer according to claim 1, characterized in that: The side of the operating block (62) is provided with a mounting groove (622); the positioning assembly (64) comprises a clamping block (632) and a spring (631) arranged in the mounting groove (622); the spring (631) is in a compressed state; one end of the spring (631) abuts against the bottom wall of the mounting groove (622); the other end of the spring (631) abuts against the clamping block (632); a clamping groove (614) capable of inserting the clamping block (632) is provided in the operating groove (612); and an operating member (65) for driving the clamping block (632) to disengage from the clamping groove (614) is provided on the operating panel (61).

5. A miniature portable infrared thermometer according to claim 4, characterized in that: The bottom wall of the operating groove (612) is provided with an insertion hole (615), and the operating member (65) comprises a push rod (652) inserted into the insertion hole (615) and a push block (651) disposed in the operating groove (612), and one end of the push rod (652) is connected to the push block (651).

6. A miniature portable infrared thermometer according to claim 1, characterized in that: A visible hole (14) communicating with the accommodating groove (11) is provided on a side of the outer circumferential surface of the shell (1) away from the through hole (12); the digital display structure (5) comprises an LCD bracket (52) arranged in the accommodating groove (11); the LCD bracket (52) surrounds the visible hole (14) device; a liquid crystal screen (53) is arranged in the LCD bracket (52); and a second PCB board (51) is arranged on a side of the LCD bracket (52) away from the visible hole (14).

7. A miniature portable infrared thermometer according to claim 1, characterized in that: The bottom wall of the housing (1) is provided with a mounting hole (15); the power supply structure (4) comprises a battery (41) arranged on the cover (2) and a switch button (42) arranged in the mounting hole (15); the switch button (42) is used to control the power on and off of the first PCB board (32) and the battery (41).

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