Thermopile

Abstract

The utility model provides a thermopile which comprises a tube shell, a round opening is formed in the middle of the upper surface of the tube shell, an optical filter is installed at the top in the tube shell, the lower end of the tube shell is fixedly connected with a tube sealing base, a plurality of pins are evenly installed on the lower surface of the tube sealing base, and a protection disc is arranged on the lower side of the tube sealing base. A plurality of small holes matched with the pins are evenly formed in the upper surface of the protection disc, the pins are inserted into the small holes, the tube shell is sleeved with a cap, the cap is connected with the tube shell through a limiting piece, two symmetrically-arranged screw rods are installed on the outer surface of the cap, two supporting lugs are fixedly connected to the annular side face of the protection disc, and the two supporting lugs are fixedly connected to the outer surface of the protection disc. The upper surfaces of the two support lugs are both provided with through holes, the lower ends of the screw rods penetrate through the through holes, and the upper sides and the lower sides of the through holes are both provided with nuts which are in threaded connection with the screw rods.

Description

Technical Field

[0001] The utility model relates to a thermopile, belonging to the technical field of thermopile. Background Art

[0002] The structure of the thermopile: The radiation receiving surface is divided into several blocks, each of which is connected to a thermocouple. When they are connected in series, a thermopile is formed. The thermopile can be made into multi-channel and array devices. At present, there are multiple pins on the thermopile, and the pins are exposed to the outside world. The hardness of the pins is relatively small, so the pins are easily squeezed, deformed and bent during storage. The pins need to be straightened during use, which is time-consuming and laborious. Therefore, it is necessary to design a thermopile that prevents the pins from being squeezed, deformed and bent. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a thermopile to solve the problems raised in the above-mentioned background technology. The utility model supports and protects the pins on the thermopile to prevent the pins from being squeezed, deformed and bent.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a thermopile, including a tube shell, a circular opening is opened in the middle position of the upper surface of the tube shell, a filter is installed on the top of the tube shell, the lower end of the tube shell is connected and fixed to a tube seal base, a plurality of pins are evenly installed on the lower surface of the tube seal base, a protective disk is provided on the lower side of the tube seal base, a plurality of small holes matching with the pins are evenly opened on the upper surface of the protective disk, the pins are inserted in the small holes, a cap is sleeved on the tube shell, the cap is connected to the tube shell through a limiter, two symmetrically arranged screws are installed on the outer surface of the cap, two ears are connected and fixed to the annular side of the protective disk, the upper surfaces of the two ears are opened with through holes, the lower end of the screw passes through the through holes, and nuts threadably connected to the screw are provided on the upper and lower sides of the through holes.

[0005] Furthermore, the screw rod comprises a round rod, the outer surface of which is processed with an external thread, one end of the round rod is connected and fixed with a threaded head, the end of the round rod away from the threaded head is provided with a threaded blind hole matching with the threaded head, the threaded head on one round rod is threadedly connected to the threaded blind hole on another round rod, and the topmost round rod is connected and fixed to the cap.

[0006] Furthermore, two ear plates are symmetrically fixedly connected to the outer surface of the cap, screw holes are provided on the lower surfaces of the ear plates, and the threaded heads on the uppermost round rods are threadedly connected in the screw holes.

[0007] Furthermore, the limiting member comprises a threaded sleeve, the outer surface of the cap is provided with a threaded sleeve, the threaded sleeve is communicated with the inner space of the cap, and the inner thread of the threaded sleeve is connected with a positioning screw for limiting the relative position of the cap and the tube shell.

[0008] Furthermore, a ring is connected and fixed to the lower end of the tube shell, the ring is connected and fixed to the tube sealing base, and the ring and the tube shell are an integrally formed structure.

[0009] Furthermore, a boss is integrally formed at a middle position of the upper surface of the tube sealing base, a sensor conditioning chip is installed at a middle position of the upper surface of the boss, and at least two thermocouple chips are installed on the upper surface of the boss.

[0010] Beneficial effects of the utility model:

[0011] 1. According to the length of the pin, select the corresponding number of round rods, so that the threaded head on one round rod is screwed into the threaded blind hole on the other round rod to complete the assembly of the two round rods. By analogy, the assembly of multiple round rods is completed. At this time, multiple round rods with external threads on the outer surfaces form a screw rod together, so that the length of the screw rod can be adjusted according to the length of the pin.

[0012] 2. Insert multiple pins into the small holes on the protective disc respectively, and then insert the two screws into the through holes on the two support ears respectively, so that the cap covers the tube shell, and use the positioning screw to limit the relative position of the cap and the tube shell, adjust the position of the protective disc, so that the end of the pin away from the tube shell is hidden in the small hole, and then use the two nuts on the screw to limit the relative position of the screw and the protective disc. At this time, the extrusion force around the pin will act on the tube shell through the protective disc, screw and cap, so as to support and protect the pin, prevent the pin from being squeezed, deformed and bent, separate the protective disc from the pin, and separate the cap from the tube shell, so as to realize the recycling and reuse of the protective disc, cap and other components. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 This is a schematic diagram of the structure of a thermopile of the utility model;

[0015] Figure 2 This is a schematic diagram of the assembly of the pins and the tube sealing base in a thermopile of the utility model;

[0016] Figure 3 This is a three-dimensional diagram of a tube shell in a thermopile of the utility model;

[0017] Figure 4 It is a schematic diagram of the assembly of the support ear and the protective plate in a thermopile of the utility model;

[0018] Figure 5 This is a schematic diagram of the assembly of a threaded head and a round rod in a thermopile of the utility model;

[0019] In the figure: 1-tube shell, 2-filter, 3-ear plate, 4-cap, 5-threaded sleeve, 6-positioning screw, 7-protective plate, 8-nut, 9-support ear, 10-round rod, 11-pin, 12-tube seal base, 13-ring, 14-boss, 15-sensor conditioning chip, 16-thermocouple chip, 17-round mouth, 18-perforation, 19-small hole, 20-threaded blind hole, 21-threaded head. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a thermopile, comprising a tube shell 1, a circular opening 17 is opened in the middle position of the upper surface of the tube shell 1, a filter 2 is installed at the top of the tube shell 1, the lower end of the tube shell 1 is connected and fixed to a tube sealing base 12, a ring 13 which is an integral structure with the tube shell 1 is connected and fixed to the lower end of the tube shell 1, the ring 13 is connected and fixed to the tube sealing base 12, the ring 13 increases the connection range between the tube shell 1 and the tube sealing base 12, a boss 14 is integrally formed in the middle position of the upper surface of the tube sealing base 12, a sensor conditioning chip 15 is installed in the middle position of the upper surface of the boss 14, at least two thermocouple chips 16 are installed on the upper surface of the boss 14, the at least two thermocouple chips 16 and the sensor conditioning chip 15 form an array structure, wherein the working principles of the sensor conditioning chip 15 and the thermocouple chip 16 have been fully disclosed in the prior art, so they will not be repeated here.

[0022] See also Figure 1 and Figure 4 A plurality of pins 11 are evenly installed on the lower surface of the tube sealing base 12, a protective disk 7 is provided on the lower side of the tube sealing base 12, a plurality of small holes 19 matching with the pins 11 are evenly opened on the upper surface of the protective disk 7, the pins 11 are inserted in the small holes 19, a cap 4 is sleeved on the tube shell 1, a threaded sleeve 5 is installed on the outer surface of the cap 4, the threaded sleeve 5 is communicated with the internal space of the cap 4, the inner thread of the threaded sleeve 5 is connected with a positioning screw 6 for limiting the relative position of the cap 4 and the tube shell 1, the cap 4 is sleeved on the tube shell 1, and then the positioning screw 6 is tightened to realize the use of the positioning screw 6 to limit the relative position of the cap 4 and the tube shell 1.

[0023] See also Figure 1 and Figure 4Two symmetrically arranged screws are installed on the outer surface of the cap 4, and two ears 9 are connected and fixed to the annular side of the protective plate 7. The upper surfaces of the two ears 9 are provided with through holes 18. The lower ends of the screws pass through the through holes 18. The upper and lower sides of the through holes 18 are provided with nuts 8 threadedly connected with the screws, so that a plurality of pins 11 are respectively inserted into the small holes 19 on the protective plate 7, and then the two screws are respectively inserted into the through holes 18 on the two ears 9, so that the cap 4 is covered on the tube shell 1, and the relative position of the cap 4 and the tube shell 1 is limited by the positioning screw 6. The position of the protective disc 7 is adjusted so that the end of the pin 11 away from the tube shell 1 is hidden in the small hole 19, and then the two nuts 8 on the screw are used to limit the relative position of the screw and the protective disc 7. At this time, the extrusion force around the pin 11 will act on the tube shell 1 through the protective disc 7, the screw and the cap 4, so as to support and protect the pin 11 and prevent the pin 11 from being squeezed, deformed and bent, so that the protective disc 7 is separated from the pin 11, and the cap 4 is separated from the tube shell 1, thereby realizing the recycling and reuse of the protective disc 7, the cap 4 and other components.

[0024] See also Figure 1 and Figure 5 The screw comprises a round rod 10, the outer surface of the round rod 10 is processed with an external thread, one end of the round rod 10 is connected and fixed with a threaded head 21, and the end of the round rod 10 away from the threaded head 21 is provided with a threaded blind hole 20 matched with the threaded head 21, the threaded head 21 on one round rod 10 is threadedly connected to the threaded blind hole 20 on the other round rod 10, and the outer surface of the cap 4 is symmetrically fixedly connected with two ear plates 3, the lower surface of the ear plate 3 is provided with a screw hole, and the threaded head 21 on the uppermost round rod 10 is threadedly connected to the screw hole. According to the length of the pin 11, a corresponding number of round rods 10 are selected, so that the threaded head 21 on one round rod 10 is screwed into the threaded blind hole 20 on the other round rod 10, and the assembly of the two round rods 10 is completed. By analogy, the assembly of multiple round rods 10 is completed. At this time, multiple round rods 10 with external threads on the outer surfaces jointly form a screw, so that the length of the screw can be adjusted according to the length of the pin 11.

[0025] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A thermopile, comprising a tube shell (1), characterized in that: A circular opening (17) is provided in the middle of the upper surface of the tube shell (1); a filter (2) is installed at the top of the tube shell (1); the lower end of the tube shell (1) is connected and fixed to a tube sealing base (12); a plurality of pins (11) are evenly installed on the lower surface of the tube sealing base (12); a protective plate (7) is provided at the lower side of the tube sealing base (12); a plurality of small holes (19) matching with the pins (11) are evenly provided on the upper surface of the protective plate (7); the pins (11) are inserted in the small holes. In the hole (19), a cap (4) is sleeved on the tube shell (1), the cap (4) is connected to the tube shell (1) through a stopper, two symmetrically arranged screws are installed on the outer surface of the cap (4), and the annular side of the protective plate (7) is connected and fixed with two ears (9), and the upper surfaces of the two ears (9) are each provided with a through hole (18), the lower end of the screw passes through the through hole (18), and nuts (8) threadedly connected to the screw are provided on the upper and lower sides of the through hole (18).

2. A thermopile according to claim 1, characterized in that: The screw comprises a round rod (10), the outer surface of the round rod (10) is processed with an external thread, one end of the round rod (10) is connected and fixed with a thread head (21), the end of the round rod (10) away from the thread head (21) is provided with a threaded blind hole (20) matching with the thread head (21), the thread head (21) on one round rod (10) is threadedly connected to the threaded blind hole (20) on another round rod (10), and the topmost round rod (10) is connected and fixed to the cap (4).

3. A thermopile according to claim 2, characterized in that: Two ear plates (3) are symmetrically fixedly connected to the outer surface of the cap (4), and screw holes are provided on the lower surfaces of the ear plates (3). The threaded heads (21) on the uppermost round rods (10) are threadedly connected in the screw holes.

4. A thermopile according to claim 1, characterized in that: The limiting member comprises a threaded sleeve (5), the threaded sleeve (5) is mounted on the outer surface of the cap (4), the threaded sleeve (5) is communicated with the internal space of the cap (4), and the threaded sleeve (5) is internally threadedly connected to a positioning screw (6) for limiting the relative position of the cap (4) and the tube shell (1).

5. The thermopile according to claim 1, characterized in that: A ring (13) is connected and fixed to the lower end of the tube shell (1), the ring (13) is connected and fixed to the tube sealing base (12), and the ring (13) and the tube shell (1) are an integrally formed structure.

6. The thermopile according to claim 1, characterized in that: A boss (14) is integrally formed at the middle position of the upper surface of the tube seal base (12), a sensor conditioning chip (15) is mounted at the middle position of the upper surface of the boss (14), and at least two thermocouple chips (16) are mounted on the upper surface of the boss (14).

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