Infrared temperature measurement window for switch cabinet

Abstract

The utility model discloses an infrared temperature measurement window for a switch cabinet, which comprises a door plate, a transparent window panel, a transparent protection plate, a transparent wafer, a first backing plate and a pressing plate, the door plate is mounted on a cabinet door of the switch cabinet, and the fixed end of the transparent window panel is hinged to the outer surface of the door plate. The opening end of the transparent window panel is locked and matched with the outer surface of the door plate; a first observation through hole is formed in the center of the door plate, a second observation through hole is formed in the center of the first base plate, a third observation through hole is formed in the center of the pressing plate, the first base plate is installed on the inner surface of the door plate, the transparent wafer is installed in the second observation through hole, and the pressing plate is installed on the inner surface of the first base plate and presses the edge of the transparent wafer. The first observation through hole, the second observation through hole and the third observation through hole sequentially correspond to one another from outside to inside; the fixed end of the transparent protection plate is hinged to the inner surface of the door plate, the opening end of the transparent protection plate is matched with the inner surface of the door plate in a buckled mode, and the transparent protection plate is located on the inner side of the pressing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to an infrared temperature measurement window for a switch cabinet. Background Art

[0002] An infrared temperature measurement window is an optical window that can transmit infrared rays, ultraviolet rays, and visible light. It is installed on the shell of an electrical cabinet and is mainly used for internal temperature measurement of various high-voltage switch cabinets, metal-clad switch cabinets, urban ring main units, and GIS high-voltage equipment. By using infrared thermal imagers and temperature measuring instruments that are widely used in the power system and combining with the "Infrared Guide", the heating faults can be judged. Through the infrared temperature measurement window, various non-destructive inspections of the equipment inside the cabinet can be conveniently carried out, and the hidden dangers of high-voltage accidents can be discovered in a timely and effective manner to prevent accidents from occurring. In the prior art, the infrared temperature measurement window often directly fixes the infrared crystal on the switch cabinet body through the installation component. The infrared temperature measurement window with this structure is cast by a mold, the assembly structure is complex, the production cycle is long, and the cost is relatively high; the structure cannot meet the good grounding continuity between the cabinet door and the infrared temperature measurement window. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide an infrared temperature measurement window for a switch cabinet. The structure of this infrared temperature measurement window for a switch cabinet is simplified, the cost can be reduced, the good grounding continuity between the cabinet door and the infrared temperature measurement window can be satisfied, and it is convenient for later installation.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0005] An infrared temperature measurement window for a switch cabinet, characterized in that: it includes a door panel, a transparent window panel, a transparent protective plate, a transparent wafer, a first cushion plate and a pressing plate. The door panel is installed on the cabinet door of the switch cabinet. The fixed end of the transparent window panel is hingedly installed on the outer surface of the door panel, and the opening end of the transparent window panel is in locking fit with the outer surface of the door panel; a first observation through hole is provided at the center of the door panel, a second observation through hole is provided at the center of the first cushion plate, and a third observation through hole is provided at the center of the pressing plate. The first cushion plate is installed on the inner surface of the door panel, the transparent wafer is installed in the second observation through hole, and the pressing plate is installed on the inner surface of the first cushion plate and presses the edge of the transparent wafer. The first observation through hole, the second observation through hole, and the third observation through hole correspond to each other from outside to inside in sequence; the fixed end of the transparent protective plate is hingedly installed on the inner surface of the door panel, the opening end of the transparent protective plate is in snap fit with the inner surface of the door panel, and the transparent protective plate is located inside the pressing plate.

[0006] The definitions of the above inside and outside: the side inside the switch cabinet cavity is the inside, and the side outside the switch cabinet is the outside.

[0007] During operation, install the infrared temperature measurement window for switchgear on the door panel of the switchgear, connect the grounding wire of the switchgear to the door panel, so that the entire infrared temperature measurement window forms an electrical path with the switchgear cabinet body, achieving grounding continuity and preventing dust from being adsorbed on the surface of the infrared temperature measurement window due to static electricity. The above-mentioned first observation through-hole, second observation through-hole, and third observation through-hole are coaxially arranged to form an infrared transmission channel, avoiding temperature measurement deviation caused by edge refraction. Then, through the alignment and cooperation of several transparent structures such as the transparent window panel, transparent wafer, and transparent protection plate with each observation through-hole, a non-blocking infrared transmission channel is constructed to ensure the accuracy of the temperature measurement signal.

[0008] The opening end of the above-mentioned transparent window panel is tightly fitted with the outer surface of the door panel, enabling the transparent window panel to be opened and closed, which is convenient for maintenance personnel to perform maintenance. The above-mentioned transparent protection can prevent dust and oil stains inside the switchgear from directly contaminating the transparent wafer, and the opening end of the transparent protection plate is snap-fitted with the inner surface of the door panel, realizing the rotatable design of the transparent protection plate, which is convenient for the subsequent cleaning of the transparent protection plate.

[0009] In a preferred solution, the infrared temperature measurement window for switchgear further includes a sealing ring, the sealing ring is located in the second observation through-hole, and the transparent wafer is located in the sealing ring. The above-mentioned sealing ring can play a good sealing role, preventing impurities such as dust and water vapor from entering the interior of the switchgear, avoiding adverse effects such as corrosion and short circuit of these impurities on the internal equipment, and ensuring the normal operating environment of the internal equipment of the switchgear.

[0010] In a preferred solution, the infrared temperature measurement window for switchgear further includes a second backing plate, the second backing plate is installed on the outer surface of the door panel, and the second backing plate is located between the door panel and the transparent window panel. A fourth observation through-hole corresponding to the first observation through-hole is provided at the center of the second backing plate; a first through-hole is provided at the opening end of the transparent window panel, a first screw hole corresponding to the first through-hole is provided on the second backing plate, a first bolt is installed in the first screw hole, the rod portion of the first bolt passes through the first through-hole, and the head of the first bolt and the second backing plate jointly clamp the opening end of the transparent window panel. The opening end of the transparent window panel is clamped by the cooperation of the first bolt and the second backing plate, and this design enhances the stability of the installation of the transparent window panel. The above-mentioned second backing plate plays a role in strengthening and positioning, making the transparent window panel not easy to shake or shift during long-term use, and ensuring the accuracy of observation and detection.

[0011] In a further preferred solution, a hand-tightening cap is provided at the head of the first bolt. When tightening the first bolt, there is no need to use additional tools, and the first bolt can be tightened and loosened by manually turning the hand-tightening cap, which is convenient for the operator to perform installation and disassembly operations.

[0012] In a preferred embodiment, a plurality of positioning posts are provided on the inner surface of the door panel, a plurality of second through holes corresponding to the positioning posts are provided on the first backing plate, and a plurality of third through holes corresponding to the positioning posts are provided on the pressing plate. Each positioning post is sequentially located in the corresponding second through hole and third through hole; when the transparent protection plate is in a rotating state, the edge of the transparent protection plate abuts and cooperates with each positioning post. Through the cooperation of the positioning posts on the inner surface of the door panel with the corresponding through holes on the first backing plate and the pressing plate, the function of precise positioning is achieved, ensuring the accurate installation positions of the first backing plate, the pressing plate and the transparent wafer, guaranteeing the precise alignment of each observation through hole, facilitating the smooth transmission of infrared rays, ultraviolet rays and visible light, and improving the detection accuracy.

[0013] In a preferred embodiment, the fixed end of the transparent protection plate is hinged to the inner surface of the door panel through a limit pin, and the transparent protection plate is suspended inside the pressing plate. The fixed end of the above-mentioned transparent protection plate is hinged to the inner surface of the door panel through a limit pin. This hinged method makes the rotation of the transparent protection plate more flexible and stable, facilitating the operator to open and close the transparent protection plate for detection operations; moreover, the length of the limit pin increases the distance between the transparent protection plate and the door panel, so that the transparent protection plate is suspended inside the pressing plate, which can avoid unnecessary friction and interference with other components, reduce wear, and extend the service life of the transparent protection plate.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The infrared temperature measurement window structure for this switch cabinet is simplified, which can reduce costs and meet the good grounding continuity between the cabinet door and the infrared temperature measurement window. Moreover, the infrared temperature measurement window for this switch cabinet and the cabinet door of the switch cabinet adopt a split structure. During subsequent installation, this infrared temperature measurement window can be installed by opening a hole in the cabinet door of the switch cabinet, and good use of this structure can be achieved even with low precision requirements for the opening size. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram (disassembled state) of a specific embodiment of the present invention;

[0017] Figure 2 is a schematic structural diagram of the assembled specific embodiment of the present invention;

[0018] Figure 3 is a schematic structural diagram of the infrared temperature measurement window installed on the cabinet door in a specific embodiment of the present invention;

[0019] Figure 4 is Figure 3 a schematic structural diagram of the transparent window panel in an open state in

[0020] Figure 5It is a schematic structural diagram of the transparent protection plate inside the switch cabinet in a specific embodiment of the present utility model. Specific Embodiment

[0021] The following further describes in conjunction with the accompanying drawings and the preferred embodiments of the present utility model.

[0022] As Figures 1-5 shown, the infrared temperature measurement window for the switch cabinet in this embodiment includes a door panel 1, a transparent window panel 2, a transparent protection plate 3, a transparent wafer 4, a first backing plate 5, and a pressing plate 6. The door panel 1 is installed on the cabinet door 71 of the switch cabinet 7. The fixed end of the transparent window panel 2 is hingedly installed on the outer surface of the door panel 1, and the opening end of the transparent window panel 2 is tightly fitted with the outer surface of the door panel 1. A first observation through hole 11 is provided at the center of the door panel 1, a second observation through hole 51 is provided at the center of the first backing plate 5, and a third observation through hole 61 is provided at the center of the pressing plate 6. The first backing plate 5 is installed on the inner surface of the door panel 1. The transparent wafer 4 is installed in the second observation through hole 51. The pressing plate 6 is installed on the inner surface of the first backing plate 5 and presses the edge of the transparent wafer 4. The first observation through hole 11, the second observation through hole 51, and the third observation through hole 61 are correspondingly arranged from outside to inside in sequence. The fixed end of the transparent protection plate 3 is hingedly installed on the inner surface of the door panel 1, and the opening end of the transparent protection plate 3 is snap-fitted with the inner surface of the door panel 1, and the transparent protection plate 3 is located inside the pressing plate 6.

[0023] The definitions of the above inner and outer sides: The side inside the inner cavity of the switch cabinet 7 is the inner side, and the side outside the switch cabinet 7 is the outer side.

[0024] During operation, the infrared temperature measurement window for the switch cabinet is installed on the cabinet door 71 of the switch cabinet 7, and the grounding wire of the switch cabinet 7 is connected to the door panel 1, so that the entire infrared temperature measurement window forms an electrical path with the switch cabinet 7 body, realizing grounding continuity and preventing dust from being electrostatically adsorbed on the surface of the infrared temperature measurement window. The above first observation through hole 11, second observation through hole 51, and third observation through hole 61 are coaxially arranged to form an infrared transmission channel, avoiding temperature measurement deviation caused by edge refraction. Then, through the alignment and cooperation of the transparent window panel 2, transparent wafer 4, and transparent protection plate 3, which are several transparent structures, an unobstructed infrared transmission channel is constructed to ensure accurate temperature measurement signals.

[0025] The opening end of the above transparent window panel 2 is tightly fitted with the outer surface of the door panel 1, which enables the transparent window panel 2 to be opened and closed, facilitating maintenance personnel for inspection. The above transparent protection can prevent dust and oil stains inside the switch cabinet 7 from directly contaminating the transparent wafer 4, and the opening end of the transparent protection plate 3 is snap-fitted with the inner surface of the door panel 1, realizing the rotatable design of the transparent protection plate 3, which is convenient for the subsequent cleaning of the transparent protection plate 3.

[0026] The infrared temperature measuring window for the switch cabinet further comprises a sealing ring 8, which is located in the second observation through hole 51, and the transparent wafer 4 is located in the sealing ring 8. The sealing ring 8 can play a good sealing role, preventing dust, water vapor and other impurities from entering the switch cabinet 7, avoiding these impurities from causing corrosion, short circuit and other adverse effects on the internal equipment, and ensuring the normal operating environment of the internal equipment of the switch cabinet 7.

[0027] The infrared temperature measuring window for the switch cabinet also includes a second pad 9, which is mounted on the outer surface of the door panel 1 and is located between the door panel 1 and the transparent window panel 2. A fourth observation through hole 91 corresponding to the first observation through hole 11 is provided at the center of the second pad 9; a first through hole 21 is provided at the open end of the transparent window panel 2, and a first screw hole 94 corresponding to the first through hole 21 is provided on the second pad 9, and a first bolt 92 is installed in the first screw hole 94, and the rod of the first bolt 92 passes through the first through hole 21, and the head of the first bolt 92 and the second pad 9 clamp the open end of the transparent window panel 2 together. The open end of the transparent window panel 2 is clamped by the first bolt 92 and the second pad 9, and this design enhances the stability of the installation of the transparent window panel 2. The above-mentioned second pad 9 plays a role of strengthening and positioning, so that the transparent window panel 2 is not easy to shake or shift during long-term use, and the accuracy of observation and detection is guaranteed.

[0028] The head of the first bolt 92 is provided with a hand-tightening cap 93. When the first bolt 92 is screwed, no additional tools are required, and the first bolt 92 can be tightened and loosened by manually screwing the hand-tightening cap 93, which is convenient for operators to perform installation and disassembly operations.

[0029] The inner surface of the door panel 1 is provided with a plurality of positioning posts 12, the first pad 5 is provided with a plurality of second through holes 52 corresponding to the positioning posts 12, the pressing plate 6 is provided with a plurality of third through holes 62 corresponding to the positioning posts 12, and each positioning post 12 is sequentially located in the corresponding second through hole 52 and third through hole 62; when the transparent protective plate 3 is in a rotating state, the edge of the transparent protective plate 3 abuts against each positioning post 12. The positioning posts 12 on the inner surface of the door panel 1 cooperate with the corresponding through holes on the first pad 5 and the pressing plate 6, which plays a role in precise positioning, ensures that the installation positions of the first pad 5, the pressing plate 6 and the transparent wafer 4 are accurate, ensures the precise alignment of each observation through hole, facilitates the smooth transmission of infrared, ultraviolet and visible light, and improves the detection accuracy.

[0030] The fixed end of the transparent protection plate 3 is hinged to the inner surface of the door panel 1 through a limit pin 10, and the transparent protection plate 3 is suspended inside the pressing plate 6. The fixed end of the transparent protection plate 3 is hinged to the inner surface of the door panel 1 through the limit pin 10. This hinged manner makes the rotation of the transparent protection plate 3 more flexible and stable, facilitating the operator to open and close the transparent protection plate 3 for inspection operations; moreover, the length of the limit pin 10 increases the distance between the transparent protection plate 3 and the door panel 1, enabling the transparent protection plate 3 to be suspended inside the pressing plate 6, which can avoid unnecessary friction and interference with other components, reduce wear, and extend the service life of the transparent protection plate 3.

[0031] In addition, it should be noted that for the specific embodiments described in this specification, the names of their respective parts and the like can be different. Any equivalent or simple changes made according to the structure, features, and principles conceived in the utility model patent are included within the protection scope of the utility model patent. Those skilled in the technical field to which the utility model pertains can make various modifications, supplements, or use similar methods for substitution to the specific embodiments described, as long as they do not deviate from the structure of the utility model or exceed the scope defined by this claim book, they should all fall within the protection scope of the utility model.

Claims

1. An infrared temperature measurement window for a switchgear cabinet, characterized in that: It includes a door panel, a transparent window panel, a transparent protective plate, a transparent wafer, a first backing plate and a pressing plate. The door panel is installed on the cabinet door of the switch cabinet. The fixed end of the transparent window panel is hingedly installed on the outer surface of the door panel, and the opening end of the transparent window panel is in locking fit with the outer surface of the door panel. A first observation through hole is provided at the center of the door panel, a second observation through hole is provided at the center of the first backing plate, and a third observation through hole is provided at the center of the pressing plate. The first backing plate is installed on the inner surface of the door panel, the transparent wafer is installed in the second observation through hole, and the pressing plate is installed on the inner surface of the first backing plate and presses the edge of the transparent wafer. The first observation through hole, the second observation through hole and the third observation through hole are correspondingly arranged from outside to inside in sequence. The fixed end of the transparent protective plate is hingedly installed on the inner surface of the door panel, and the opening end of the transparent protective plate is in snap fit with the inner surface of the door panel, and the transparent protective plate is located inside the pressing plate.

2. The infrared temperature measurement window for switchgear as described in claim 1, wherein: It further includes a sealing ring. The sealing ring is located in the second observation through hole, and the transparent wafer is located in the sealing ring.

3. The infrared temperature measurement window for switchgear as described in claim 1, wherein: It further includes a second backing plate. The second backing plate is installed on the outer surface of the door panel, and the second backing plate is located between the door panel and the transparent window panel. A fourth observation through hole corresponding to the first observation through hole is provided at the center of the second backing plate. A first through hole is provided at the opening end of the transparent window panel, a first screw hole corresponding to the first through hole is provided on the second backing plate, a first bolt is installed in the first screw hole, the rod portion of the first bolt passes through the first through hole, and the head of the first bolt and the second backing plate jointly clamp the opening end of the transparent window panel.

4. The infrared temperature measurement window for switchgear as described in claim 3, wherein: A hand-tightening cap is provided on the head of the first bolt.

5. The infrared temperature measurement window for switchgear as described in claim 1, characterized in that: A plurality of positioning columns are provided on the inner surface of the door panel, a plurality of second through holes corresponding to the positioning columns are provided on the first backing plate, and a plurality of third through holes corresponding to the positioning columns are provided on the pressing plate. Each positioning column is sequentially located in the corresponding second through hole and third through hole. When the transparent protective plate is in a rotating state, the edge of the transparent protective plate is in abutting fit with each positioning column.

6. The infrared temperature measurement window for switchgear as described in claim 1, characterized in that: The fixed end of the transparent protective plate is hinged to the inner surface of the door panel through a limit pin, and the transparent protective plate is suspended inside the pressing plate.

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