Infrared temperature measurement assembly with cold air cover
By designing an infrared temperature measurement component with a cold air cover and using cold air cooling technology, the problem of high cost of temperature measurement of materials in high-temperature sealed tanks is solved, and the effect of using a conventional infrared temperature measuring head for high-temperature measurement is achieved.
Patent Information
- Application Number
- CN202421272030.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-06-05
Smart Images
Figure CN222393668U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of infrared temperature measuring devices, and in particular to an infrared temperature measuring component with a cold air cover. Background Art
[0002] The temperature of solid or liquid substances in high-temperature sealed tanks in the prior art is difficult to be measured by conventional temperature measuring heads due to the high temperature of the high-temperature sealed tanks. It is necessary to use a special high-temperature resistant temperature measuring head placed in the high-temperature sealed tanks for temperature measurement. However, the manufacturing cost of such high-temperature resistant temperature measuring heads is relatively high. Therefore, an infrared temperature measuring assembly with a cold air hood is provided to solve the problem of high cost of temperature measurement of substances in existing high-temperature sealed tanks. Utility Model Content
[0003] One of the purposes of the utility model is to provide an infrared temperature measuring component with a cold air cover, so as to solve the problem of high cost of temperature measurement of materials in existing high-temperature sealed tanks.
[0004] The utility model can realize an infrared temperature measuring component with a cold air cover by the following technical scheme:
[0005] The utility model discloses an infrared temperature measuring component with a cold wind cover, comprising a temperature insulating sealing component, which is detachably sealed and arranged on a flange at the opening of a high-temperature tank body;
[0006] A cold air cover assembly, which is detachably arranged on one side of the thermal insulation sealing assembly and is connected to the cold air device;
[0007] An infrared temperature measuring head, which is detachably arranged in the cold air hood assembly;
[0008] Among them, the thermal insulation sealing assembly includes a connecting piece, which is penetrated by a first through hole; a thermal insulation piece detachably arranged on the connecting piece, which is a hollow cavity and is made of a material with a small insulating thermal conductivity, and the two ends of the thermal insulation piece are respectively provided with a first end and a second end; a plurality of thermal insulation holes are penetrated on the side wall of the thermal insulation piece, and the plurality of thermal insulation holes are respectively arranged between the first end and the second end, and a connecting rib is arranged between two adjacent thermal insulation holes; a filter arranged in the connecting piece and on the first through hole; a fixing plate detachably connected to the connecting piece and fastened to the filter; a first sealing ring arranged between the first through hole and the filter.
[0009] In one embodiment, the cold air hood assembly includes a first hood body, a main hood body, and a second hood body that are detachably threaded and connected in sequence, and the three of them form a hollow cavity; the first hood body is detachably threaded and connected to the thermal insulation component; the second hood body is connected to a cold air duct, and the cold air duct is connected to the cold air device.
[0010] In one embodiment, a plurality of ventilation holes are provided through the first cover body, and cold air in a cavity formed by the first cover body, the main cover body and the second cover body can be blown toward the filter through the plurality of ventilation holes.
[0011] In one embodiment, a first external thread is provided at one end of the connecting member, and a first internal thread is provided on the inner wall of the other end thereof, and the fixing plate and the thermal insulation member are detachably threadedly connected to the first internal thread in sequence.
[0012] In one embodiment, a second external thread is disposed on the outer side of the first end portion, and the second external thread is detachably threadedly connected to the first internal thread.
[0013] In one embodiment, a second internal thread is provided on the inner wall of the second end portion; and the cold air hood assembly is detachably threadedly connected to the second internal thread.
[0014] In one embodiment, the optical path of the infrared temperature measuring head is coaxially arranged with the center of the first through hole.
[0015] In one embodiment, the connecting member and the fixing plate are made of metal; the heat insulating member is made of plastic; and the filter is made of chalcogenide glass, silicon or germanium.
[0016] In one embodiment, the filter allows light to pass through a wavelength range of 0.75 μm to 14 μm.
[0017] In one embodiment, the first sealing ring is made of high temperature resistant rubber or silicone.
[0018] Compared with the prior art, the infrared temperature measuring assembly with a cold air cover of the utility model has the following beneficial effects:
[0019] The utility model discloses an infrared temperature measuring component with a cold air hood, which adopts a conventional infrared temperature measuring head to be detachably connected in the cold air hood component, and the cold air hood component is detachably connected to the thermal insulation sealing component, the thermal insulation component adopts a material with a small insulating thermal conductivity, and a plurality of thermal insulation holes are arranged through it, and a connecting rib is arranged between two adjacent thermal insulation holes, and the two ends of the thermal insulation component are connected by a plurality of connecting ribs, so that the heat of one end connected to the high-temperature sealed tank body can only be conducted to the other end connected to the infrared temperature measuring head through the plurality of connecting ribs, because the thermal conductive cross-section of the plurality of connecting ribs is small and the material with a small insulating thermal conductivity is adopted, and the outside air can transfer heat by convection through the plurality of thermal insulation holes, so that the high temperature is difficult to be conducted to the infrared temperature measuring head, and the cold air in the cold air hood component continuously cools down the infrared temperature measuring head to maintain its temperature at room temperature, so only a conventional infrared temperature measuring head is needed to meet the temperature measurement demand, thereby effectively solving the problem of high cost of temperature measurement of materials in the existing high-temperature sealed tank body;
[0020] The utility model discloses an infrared temperature measuring component with a cold air hood, by sequentially arranging a sealing ring, an optical filter and a fixing plate at the through hole of a heat insulating component, so that not only the heat insulating component can be sealed and connected with a high-temperature sealed tank body to achieve IP68 sealing performance, but also the light filtering effect of the optical filter can effectively prevent interference from other wavebands, and can improve the temperature measuring accuracy of the infrared temperature measuring head to a certain extent; at the same time, the cold air in the cold air hood component is blown toward the optical filter through a plurality of ventilation holes, so as to cool the optical filter. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 This is a structural schematic diagram of an infrared temperature measurement component with a cold air cover of the utility model;
[0023] Figure 2 yes Figure 1 The utility model is a schematic diagram of a cross-sectional structure of an infrared temperature measuring component with a cold air cover;
[0024] Figure 3 yes Figure 1 The utility model is a schematic diagram of an exploded structure of an infrared temperature measuring component with a cold air cover, which includes a connecting piece, a heat insulating piece and a cold air cover component;
[0025] Figure 4 yes Figure 3 A schematic diagram of the structure of the connecting member shown;
[0026] Figure 5 yes Figure 3 A schematic diagram of the structure of the thermal insulation member shown;
[0027] Figure 6 yes Figure 3 Schematic diagram of the exploded structure of the cold air hood assembly shown.
[0028] Markings in the figure: 10, thermal insulation sealing assembly; 11, connecting piece; 111, first through hole; 112, first external thread; 113, first internal thread; 12, thermal insulation piece; 121, first end; 1211, second external thread; 122, second end; 1221, second internal thread; 123 thermal insulation hole; 13, filter; 14, fixing piece; 15, first sealing ring; 20, infrared temperature measuring head; 21, third external thread; 22, second sealing ring; 30, cold air hood assembly; 31, first hood body; 311, ventilation hole; 32, main hood body; 33, second hood body; 331, second through hole; 34, cold air duct. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.
[0031] See also Figure 1-Figure 3As shown, the utility model is an infrared temperature measuring component with a cold air hood, which is mainly used for real-time monitoring of the temperature of solid or liquid substances in a high-temperature sealed tank body, and comprises a thermal insulation sealing component 10, an infrared temperature measuring head 20 and a cold air hood component 30; the thermal insulation sealing component 10 is detachably sealed and arranged on a flange at the opening of the high-temperature tank body; the cold air hood component 30 is detachably arranged on one side of the thermal insulation sealing component 10, and is connected to the cold air device; the infrared temperature measuring head 20 is detachably arranged in the cold air hood component 30, and the cold air blown out by the cold air device flows into the cold air hood component 30 to cool the infrared temperature measuring head 20, so that the temperature of the infrared temperature measuring head 20 is maintained within a certain range, and the infrared rays emitted by the substance in the tank body are received by the infrared temperature measuring head 20 through the thermal insulation sealing component 10 to perform real-time temperature measurement operation.
[0032] See also Figure 1-Figure 3 As shown, in this embodiment, the thermal insulation sealing assembly 10 includes a connecting piece 11, a heat insulating piece 12, a filter 13, a fixing piece 14 and a first sealing ring 15; one end of the connecting piece 11 is detachably sealed and connected to the flange at the opening of the high-temperature tank body, and a first through hole 111 is penetrated through the connecting end; the heat insulating piece 12 is made of a material with a small insulating thermal conductivity, and is detachably arranged on the connecting piece 11. The heat insulating piece 12 is a hollow cavity, which can effectively reduce the heat conducted from the connecting piece 11, thereby reducing the heat conducted to the infrared temperature measuring head 20; the filter 13 is arranged at The optical filter 13 in the connector 11 and arranged on the first through hole 111 filters the light emitted by the substance in the high-temperature tank body, allowing only infrared light to pass through, thereby reducing interference from other bands; the fixing plate 14 is detachably connected to the connector 11 and is in contact with the optical filter 13, which fixes the optical filter 13 at the first through hole 111; the first sealing ring 15 is arranged between the first through hole 111 and the optical filter 13, and its function is to enhance the sealing performance of the connector 11 and the high-temperature tank body, so that the sealing performance of the thermal insulation sealing assembly 10 and the high-temperature tank body can reach the IP68 level. In other embodiments, the thermal insulation member 12 is detachably arranged on the connector 11 and is in contact with the optical filter 13, which fixes the optical filter 13 at the first through hole 111. Specifically, the material of the connecting member 11 and the fixing plate 14 is metal, preferably, the material of the connecting member 11 and the fixing plate 14 is stainless steel; the heat insulating member 12 is plastic, preferably, the heat insulating member 12 can be made of steel, nylon or Teflon; the filter 13 is a filter made of chalcogenide glass, silicon or germanium, which allows infrared light with a wavelength band of 0.750μm-14μm to pass through; the first sealing ring 15 is made of high temperature resistant rubber or silicone.
[0033] See also Figure 4As shown, a first external thread 112 is provided at one end of the connecting member 11, and the connecting member 11 is detachably and hermetically connected to the flange at the opening of the high-temperature tank body through the first external thread 112; a first internal thread 113 is provided on the inner wall of the other end of the connecting member 11, and the fixing plate 14 and the heat insulating member 12 are detachably threadedly connected to the first internal thread 113 in sequence.
[0034] See also Figure 5 As shown, the two ends of the thermal insulation member 12 are respectively provided with a first end 121 and a second end 122, and the first end 121 is detachably connected to the connecting member 11; the second end 122 is detachably connected to the infrared temperature measuring head 20; a plurality of thermal insulation holes 123 are penetrated through the side wall of the thermal insulation member 12, and the plurality of thermal insulation holes 123 are respectively arranged between the first end 121 and the second end 122, and a connecting rib is arranged between two adjacent thermal insulation holes 123, and the first end 121 is connected to the second end 122 through the plurality of connecting ribs, and the heat on the first end 121 can only be conducted to the second end 122 through the plurality of connecting ribs. Since the thermal conductive cross-section of the plurality of connecting ribs is small and the insulating material with a small thermal conductivity coefficient is used, the outside air can be convectively heat-transferred through the plurality of thermal insulation holes 123, thereby making the temperature difference between the first end 121 and the second end 122 larger.
[0035] See also Figure 5 As shown, in this embodiment, the outer side of the first end 121 is provided with a second external thread 1211, which is detachably threadedly connected to the first internal thread 113 through the second external thread 1211. Preferably, in order to enhance the sealing performance between the first end 121 and the connector 11, a sealing gasket is provided at the connection portion between the first end 121 and the connector 11. Specifically, a second internal thread 1221 is provided on the inner wall of the second end 122, and the cold air cover assembly 30 is detachably threadedly connected to the second end 122 through the second internal thread 1221.
[0036] See also Figure 1-Figure 3 As shown, in the present embodiment, the optical path of the infrared temperature measuring head 20 is coaxially arranged with the center of the first through hole 111, so that the light emitted by the material in the tank body is filtered by the filter 13 arranged on the first through hole 111 and then received by the infrared temperature measuring head 20; specifically, the infrared temperature measuring head 20 adopts a conventional infrared temperature measuring head in the prior art, and a third external thread 21 is arranged on the outer side thereof, and the third external thread 21 is detachably threadedly connected to the cold air hood assembly 30, so that the infrared temperature measuring head 20 can be detachably connected to the cold air hood assembly 30.
[0037] See also Figure 3 and Figure 6As shown, in the present embodiment, the cold air cover assembly 30 comprises a first cover body 31, a main cover body 32 and a second cover body 33 which are detachably threadedly connected in sequence, and the three of them form a hollow cavity, and the infrared temperature measuring head 20 is detachably connected in the cavity, and the first cover body 31 is detachably threadedly connected to the second internal thread 1221 of the heat insulating member 12; a cold air duct 34 is connected to the second cover body 33, and the cold air duct 34 is connected to the cold air device, and the cold air generated by the cold air device enters the hollow cavity formed by the first cover body 31, the main cover body 32 and the second cover body 33 through the cold air duct 34; specifically, the first cover body 31 is detachably connected to the second internal thread 1221 of the heat insulating member 12; A plurality of ventilation holes 311 are provided on a cover body 31, and the cold air in the cavity can be blown toward the filter 13 through the plurality of ventilation holes 311, thereby cooling the filter 13; a second through hole 331 is provided on a second cover body 33, and the cable of the infrared temperature measuring head 20 passes through the second cover body 33 through the second through hole 331. Preferably, a second sealing ring 22 is provided on the cable of the infrared temperature measuring head 20, which is sealed and contacted with the second through hole 331, thereby preventing the cold air in the cavity formed by the first cover body 31, the main cover body 32 and the second cover body 33 from leaking from the second through hole 331.
[0038] It should be noted that the specific working process of the infrared temperature measuring component with a cold air hood of the utility model is as follows: the thermal insulation sealing component 10 is detachably sealed and connected to the flange at the opening of the high-temperature tank body; the cold air hood component 30 is detachably connected to the thermal insulation sealing component 10, and the infrared temperature measuring head 20 is arranged in the cold air hood component 30, so that the temperature of the infrared temperature measuring head 20 is maintained within a certain range, and the light emitted by the material in the high-temperature tank body is successively received by the infrared temperature measuring head 20 through the first through hole 111 and the filter 13 for real-time temperature measurement operation; at the same time, the thermal insulation component 12 adopts a material with a small insulating thermal conductivity coefficient, and a plurality of thermal insulation holes 123 are arranged between the first end 121 and the second end 122, so that the high temperature of the first end 121 is difficult to be transmitted to the infrared temperature measuring head 20 arranged on the second end 122.
[0039] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0040] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. An infrared temperature measurement component with a cold air cover, characterized in that: include: A thermal insulation sealing assembly, the detachable seal of which is arranged on the flange at the opening of the high-temperature tank; A cold air cover assembly, which is detachably arranged on one side of the thermal insulation sealing assembly and is connected to the cold air device; An infrared temperature measuring head, which is detachably arranged in the cold air hood assembly; Among them, the thermal insulation sealing assembly includes a connecting piece, which is penetrated by a first through hole; a thermal insulation piece detachably arranged on the connecting piece, which is a hollow cavity and is made of a material with a small insulating thermal conductivity, and the two ends of the thermal insulation piece are respectively provided with a first end and a second end; a plurality of thermal insulation holes are penetrated on the side wall of the thermal insulation piece, and the plurality of thermal insulation holes are respectively arranged between the first end and the second end, and a connecting rib is arranged between two adjacent thermal insulation holes; a filter arranged in the connecting piece and on the first through hole; a fixing plate detachably connected to the connecting piece and fastened to the filter; and a first sealing ring arranged between the first through hole and the filter.
2. The infrared temperature measurement assembly with a cold air cover according to claim 1, characterized in that: The cold air hood assembly includes a first hood body, a main hood body, and a second hood body which are detachably threadedly connected in sequence, and the three of them form a hollow cavity; the first hood body is detachably threadedly connected to the thermal insulation component; the second hood body is connected with a cold air duct, and the cold air duct is connected to the cold air device.
3. The infrared temperature measurement assembly with a cold air cover according to claim 2, characterized in that: The first cover body is provided with a plurality of ventilation holes, and the cold wind in the cavity formed by the first cover body, the main cover body and the second cover body can be blown toward the filter through the plurality of ventilation holes.
4. The infrared temperature measurement assembly with a cold air cover according to claim 1, characterized in that: One end of the connecting piece is provided with a first external thread, and the inner wall of the other end thereof is provided with a first internal thread, and the fixing plate and the heat insulating piece are detachably threadedly connected to the first internal thread in sequence.
5. The infrared temperature measurement assembly with a cold air cover according to claim 4, characterized in that: A second external thread is disposed on the outer side of the first end portion, and the second external thread is detachably threadedly connected to the first internal thread.
6. The infrared temperature measurement assembly with a cold air cover according to claim 1, characterized in that: A second internal thread is arranged on the inner wall of the second end portion; the cold air cover assembly is detachably threadedly connected to the second internal thread.
7. The infrared temperature measurement assembly with a cold air cover according to claim 1, characterized in that: The optical path of the infrared temperature measuring head is coaxially arranged with the center of the first through hole.
8. The infrared temperature measurement assembly with a cold air cover according to claim 1, characterized in that: The connecting member and the fixing plate are made of metal; the heat insulating member is made of plastic; and the optical filter is made of chalcogenide glass, silicon or germanium.
9. The infrared temperature measurement assembly with a cold air cover according to claim 8, characterized in that: The filter allows the wavelength to pass through to be 0.75 μm-14 μm.
10. The infrared temperature measurement assembly with a cold air cover according to claim 1, characterized in that: The first sealing ring is made of high temperature resistant rubber or silicone.