CN113029351B - Switch cabinet internal temperature measuring sensor with adjustable direction - Google Patents

Switch cabinet internal temperature measuring sensor with adjustable direction Download PDF

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Publication number
CN113029351B
CN113029351B CN202110280027.0A CN202110280027A CN113029351B CN 113029351 B CN113029351 B CN 113029351B CN 202110280027 A CN202110280027 A CN 202110280027A CN 113029351 B CN113029351 B CN 113029351B
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China
Prior art keywords
gear
groove
switch cabinet
guide
hole
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CN202110280027.0A
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CN113029351A (en
Inventor
陈世丹
张大贵
刘洋
李志杰
田恩勇
陈闽俊
黄健
文迪
陈骁
梁思杰
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0003Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/0205Mechanical elements; Supports for optical elements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077Imaging

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Studio Devices (AREA)

Abstract

The invention discloses a position-adjustable switch cabinet internal temperature measurement sensor, which comprises a transverse moving unit, a transverse moving unit and a transverse moving unit, wherein the transverse moving unit comprises a guide plate, and a guide groove is formed in the guide plate; a guide block is arranged in the guide groove and connected with a sensing system; a rotating shaft is arranged in the guide groove, the guide block is provided with a guide hole, and the rotating shaft penetrates through the guide hole; the sensing system comprises a steering unit, the steering unit comprises a base connected with the guide block, a spherical groove connected above the base and a sphere positioned in the spherical groove, an installation table is arranged on the sphere, and the base is a hollow shape and forms an adjusting space inside; the temperature measurement can be carried out on the electric node in the view field range of the temperature measurement sensor in the switch cabinet, the structure is small and exquisite, and different directions in the switch cabinet can be monitored for the switch cabinet with a large space (enough safe distance).

Description

Switch cabinet internal temperature measuring sensor with adjustable direction
Technical Field
The invention relates to the field of partial discharge monitoring, in particular to an azimuth-adjustable switch cabinet internal temperature measurement sensor.
Background
Partial discharge is a potential safety hazard in an electrical system, and the specific process of damage shows certain characteristics, and is long-term and slow. Partial discharge sensors (such as ultrasonic waves, ultrahigh frequencies, transient ground voltages, pulse current methods and the like) are adopted to continuously monitor partial discharge signals, so that the discharge frequency, intensity, phase, degradation trend and the like in the switch cabinet can be found, and maintenance reference is provided for operation and maintenance personnel. The key technology of the endoscopic humiture video monitoring device is to detect infrared specific wave band signals of object heat radiation by using a photoelectric technology, convert the signals into images and graphs which can be distinguished by human vision, and further calculate temperature values. The temperature distribution data without dead angles based on the dot matrix in the visual field range is realized by utilizing the temperature field sensing, the effect of the temperature field is obtained in an image mode, the real temperature data is obtained, and the invalid alarm signal is filtered, but the position of the existing temperature measuring sensor is fixed after the existing temperature measuring sensor is installed inside the switch cabinet, and for the switch cabinet with larger space (enough safety distance), the monitoring range is too small, and corners far away from the installation position of the temperature measuring sensor cannot be monitored.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that the existing temperature sensor is installed in the switch cabinet and then fixed in position, the monitoring range of the switch cabinet with larger space (enough safety distance) is too small, and corners far away from the installation position of the temperature sensor cannot be monitored.
In order to solve the technical problems, the invention provides the following technical scheme: the azimuth-adjustable switch cabinet internal temperature measurement sensor comprises a transverse moving unit, a transverse moving unit and a transverse moving unit, wherein the transverse moving unit comprises a guide plate, and a guide groove is formed in the guide plate; and a guide block is arranged in the guide groove and connected with a sensing system B.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: the guide block is provided with a guide hole, and the rotating shaft penetrates through the guide hole.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: the rotating shaft is provided with two spiral grooves which are connected end to end, and the two spiral grooves are arranged in a mirror image manner and have opposite rotating directions; the guide hole is internally provided with a hinged rotary table which is connected with a phase change block, and the phase change block is embedded into the spiral groove.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: one end of the rotating shaft is connected with a driven wheel, and the driven wheel is connected with a motor through a gear to be driven.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: sensing system B is including turning to the unit, turn to the unit include with base that the guide block is connected, connection be in the spherical groove of base top and be located spheroid in the spherical groove, be provided with the mount table on the spheroid, the base is the inside accommodation space K that forms of cavity shape.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: the sensing system B further comprises an adjusting unit, the adjusting unit comprises a first gear arranged on the sphere and a second gear arranged in the adjusting space K, an engagement groove is formed between the spherical groove and the base, and the first gear and the second gear are in engagement connection in the engagement groove;
a limiting ring is formed in the adjusting space K by extending the side wall of the base to the direction of the second gear, and round tables are formed on two side surfaces of the second gear and embedded into the limiting ring;
the adjusting unit is symmetrically arranged in structure, and the two side surfaces of the second gear are identical in structure and arranged in a mirror image mode.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: a through hole coaxial with the second gear is formed in the side wall of the base, a fixed cylinder is fixedly connected in the through hole, and a central shaft is arranged in the fixed cylinder;
the second gear is provided with a through rotating hole, and one end of the central shaft can be embedded into the rotating hole.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: a rotating part is sleeved at one end of the fixed cylinder, which is positioned outside the base, and is fixedly connected with one end of the central shaft, a limiting groove is formed in the fixed cylinder, one end of the rotating part extends towards the axis to form a limiting boss and is embedded into the limiting groove, and a first spring is arranged between the rotating part and the side surface of the base; the second gear is evenly provided with a plurality of limiting holes along the circumference, the fixed cylinder is close to one end face of the second gear is correspondingly provided with a pin hole, a limiting pin is installed in the pin hole, and a second spring is arranged between the limiting pin and the bottom of the pin hole.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: the pin shaft is provided with a first gear, a second gear, a central shaft, a fixed cylinder, a limiting pin, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fifth gear, a sixth gear, a fifth gear and a sixth gear are hinged to form the fifth gear.
As a preferred scheme of the switch cabinet internal temperature measurement sensor with the adjustable direction, the invention comprises the following steps: the rotating hole is rectangular, and one end of the central shaft close to the rotating hole is rectangular.
The invention has the beneficial effects that: the temperature measurement can be carried out on the electric node in the view field range of the temperature measurement sensor in the switch cabinet, the structure is small and exquisite, and different directions in the switch cabinet can be monitored for the switch cabinet with a large space (enough safe distance).
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic structural diagram of an internal temperature sensor of a switch cabinet capable of adjusting an orientation according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a traverse unit of an orientation-adjustable temperature sensor inside a switch cabinet according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an orientation-adjustable temperature sensor inside a switchgear according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a sensing system in an adjustable-orientation temperature sensor inside a switch cabinet according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an exploded structure of a sensing system in an orientation-adjustable temperature sensor inside a switch cabinet according to an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-2, the embodiment provides an azimuth-adjustable switch cabinet internal temperature measurement sensor, which includes a traverse unit 100, wherein the traverse unit 100 is arranged inside a switch cabinet, and can move the position of the temperature measurement sensor to monitor different positions in the switch cabinet, and the traverse unit 100 includes a guide plate 101, the guide plate 101 is fixedly installed in the switch cabinet, and a guide groove 102 is formed in the guide plate 101; a guide block 103 is arranged in the guide groove 102, the guide block 103 can slide in the guide groove 102, and the guide block 103 is connected with a sensing system B.
Further, a rotating shaft 104 is disposed in the guide groove 102, the guide block 103 is provided with a guide hole 103a, and the rotating shaft 104 passes through the guide hole 103 a. The guide block 103 can slide along the axial direction of the rotating shaft 104,
preferably, the rotating shaft 104 is provided with two spiral grooves 104a connected end to end, and the two spiral grooves 104a are arranged in a mirror image manner and have opposite rotation directions; the articulated rotary table 103b is arranged in the guide hole 103a, the articulated rotary table 103b is connected with a phase change block 105, the phase change block 105 is embedded into the spiral grooves 104a, when the guide block 103 slides to the end part of one of the spiral grooves 104a, the phase change block 105 enters into the other spiral groove 104a, and the rotating directions of the two spiral grooves 104a are opposite, so that the sliding direction of the guide block 103 is changed, wherein one end of the rotating shaft 104 is connected with a driven wheel 106, the driven wheel 106 is driven by a motor through gear connection, when the motor drives the gear, the rotating shaft 104 starts to rotate, and then the guide block 103 realizes reciprocating movement on the guide plate 101, so that different positions in the switch cabinet can be monitored, and the safety is improved.
Example 2
Referring to fig. 1 to 5, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that:
the sensing system B comprises a steering unit 200 and an adjusting unit 300, wherein the steering unit 200 is used for installing a camera shooting assembly, the camera shooting assembly is an infrared temperature measurement imaging sensor in the prior art, and the steering unit 200 provides different angles for the infrared temperature measurement imaging sensor; the adjusting unit 300 is used to adjust the angle of the steering unit 200.
Specifically, the steering unit 200 comprises a base 201, a spherical groove 202 connected above the base 201, and a sphere 203 located in the spherical groove 202, wherein the sphere 203 can rotate in the spherical groove 202, a mounting table 203a is arranged on the sphere 203, the mounting table 203a is used for mounting an infrared temperature measurement imaging sensor, and the base 201 is a hollow shape and forms a regulation space K inside.
Furthermore, the adjusting unit 300 includes a first gear 301 disposed on the sphere 203 and a second gear 302 disposed in the adjusting space K, an engaging groove 202a is formed between the spherical groove 202 and the base 201, and the first gear 301 and the second gear 302 are engaged with each other in the engaging groove 202 a. When the second gear 302 rotates, the ball 203 can be driven to rotate, and the rotation of the ball 203 is controlled by using the second gear 302 to avoid that other external equipment touches the ball 203 and the position of the ball is changed.
Furthermore, a limiting ring 201a is formed in the adjusting space K by extending the side wall of the base 201 towards the direction of the second gear 302, two side surfaces of the second gear 302 form a circular truncated cone 302a, the circular truncated cone 302a is embedded into the limiting ring 201a, the circular truncated cone 302a rotates and connects in the limiting ring 201a, and meanwhile, the limiting ring 201a limits the axial offset and the radial offset of the second gear 302, so that the second gear 302 can only rotate.
The side wall of the base 201 is provided with a through hole 201b coaxial with the second gear 302, a fixed cylinder 303 is fixedly connected in the through hole 201b, and a central shaft 304 is arranged in the fixed cylinder 303. The central shaft 304 may be coupled to the second gear 302 such that when the central shaft 304 is rotated, the second gear 302 is rotated.
Specifically, the second gear 302 is provided with a rotation hole 302b therethrough, and one end of the central shaft 304 can be fitted into the rotation hole 302 b. It should be noted that the rotation hole 302b is not a circular hole, and preferably, the rotation hole 302b is rectangular, and one end of the central shaft 304 near the rotation hole 302b is rectangular. One end of the center shaft 304 can be inserted into the rotation hole 302 b.
Further, a rotating member 304c is sleeved on an end of the fixed cylinder 303 outside the base 201, and the rotating member 304c is fixedly connected to an end of the central shaft 304, that is, the rotating member 304c is operated to control the second gear 302.
Preferably, the fixed cylinder 303 is provided with a limit groove 303a, one end of the rotating element 304c extends to the axial center to form a limit boss 304a and is embedded into the limit groove 303a, the limit groove 303a prevents the rotating element 304c from being separated, and a first spring 305 is arranged between the rotating element 304c and the side surface of the base 201. The first spring 305 is a pressure spring, and the elastic force of the first spring 305 makes the rotating member 304c away from the side wall of the base 201, while the central shaft 304 is not inserted into the rotating hole 302b, and when the rotating member 304c is pressed, the central shaft 304 is inserted into the rotating hole 302 b.
Further, a plurality of limiting holes 302c are uniformly formed in the second gear 302 along the circumference, pin holes 303b are correspondingly formed in one end face, close to the second gear 302, of the fixing cylinder 303, limiting pins 306 are installed in the pin holes 303b, and second springs 307 are arranged between the limiting pins 306 and the bottoms of the pin holes 303 b. When the stopper pin 306 is inserted into the stopper hole 302c, the second gear 302 can be restricted from rotating.
Further, an annular groove 304b is formed in one end, close to the second gear 302, of the central shaft 304, a rotating ring 308 is rotatably connected in the annular groove 304b, the rotating ring 308 can rotate on the annular groove 304b, and a shifting fork 309 is hinged to the rotating ring 308, namely one end of the shifting fork 309 is hinged to the rotating ring 308, the other end of the shifting fork 309 moves, and a long groove 309a is formed in the shifting fork 309 at the movable end.
Correspondingly, a through groove 303c is arranged between the pin hole 303b and the inner wall of the fixed cylinder 303, a first protrusion 303d is arranged in the through groove 303c, a through sliding groove 306a is arranged on the limit pin 306, a second protrusion 306b is arranged in the sliding groove 306a, one end of the shifting fork 309 sequentially penetrates through the through groove 303c and the sliding groove 306a, and the first protrusion 303d and the second protrusion 306b are located in the long groove 309 a. The first protrusion 303d serves as a rotation fulcrum, when the central shaft 304 moves along the axial direction, the shifting fork 309 rotates, and the shifting fork 309 shifts the second protrusion 306b to move, so that the moving direction of the central shaft 304 is always opposite to the moving direction of the limit pin 306, when the central shaft 304 is located at a position far away from the second gear 302, the limit pin 306 is embedded into the limit hole 302c, even though the rotating member 304c rotates, the second gear 302 cannot rotate, only after the rotating member 304c is pressed to separate the limit pin 306 from the limit hole 302c, and one end of the central shaft 304 is embedded into the rotating hole 302b, the second gear 302 can rotate, and therefore, the setting of the adjusting unit 300 avoids misoperation.
Preferably, the adjusting unit 300 is symmetrically disposed, and the two sides of the second gear 302 are both identical and mirror-imaged, that is, the components of the steering unit 200 and the adjusting unit 300 are both mirror-imaged, so that the angle can be adjusted only when the two rotating members 304c on the two sides of the second gear 302 are pressed simultaneously.
The implementation mode and principle of the embodiment are as follows: the placing angle of the sphere 203 of the well-adjusted steering unit 200 is fixed and cannot swing randomly, because the sphere is applied to a switch cabinet, and the switch cabinet is provided with more devices, when other devices in the switch cabinet are operated, the infrared temperature measurement imaging sensor can be touched by mistake to cause the change of the collecting angle, but the adjusting unit 300 and the steering unit 200 in the embodiment can overcome the problem because the sphere is fixed when the angle of the infrared temperature measurement imaging sensor is not required to be adjusted; when the angle needs to be adjusted, the rotating part 304c is pressed from two ends, the limiting pin 306 is separated from the limiting hole 302c, then the central shaft 304 is embedded into the rotating hole 302b, the rotating part 304c can be operated at the moment, the second gear 302 rotates, then the second gear 302 is meshed with the first gear 301, the angle of the infrared temperature measurement imaging sensor is changed, and after the angle is adjusted, the rotating part 304c can be fixed by loosening.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (6)

1. The utility model provides an inside temperature sensor of cubical switchboard in adjustable position which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the transverse moving unit (100) comprises a guide plate (101), wherein a guide groove (102) is formed in the guide plate (101); a guide block (103) is arranged in the guide groove (102), and the guide block (103) is connected with a sensing system (B);
the sensing system (B) comprises a steering unit (200), the steering unit (200) comprises a base (201) connected with the guide block (103), a spherical groove (202) connected above the base (201), and a spherical body (203) positioned in the spherical groove (202), an installation table (203 a) is arranged on the spherical body (203), and the base (201) is hollow and forms an adjusting space (K);
the sensing system (B) further comprises an adjusting unit (300), the adjusting unit (300) comprises a first gear (301) arranged on the ball body (203) and a second gear (302) arranged in the adjusting space (K), an engagement groove (202 a) is formed between the spherical groove (202) and the base (201), and the first gear (301) and the second gear (302) are in inner engagement connection in the engagement groove (202 a);
a limiting ring (201 a) is formed in the adjusting space (K) by extending the side wall of the base (201) towards the direction of the second gear (302), round tables (302 a) are formed on two side surfaces of the second gear (302), and the round tables (302 a) are embedded into the limiting ring (201 a);
the adjusting units (300) are symmetrically arranged in structure, and the two side surfaces of the second gear (302) are identical in structure and arranged in a mirror image manner;
a through hole (201 b) coaxial with the second gear (302) is formed in the side wall of the base (201), a fixed cylinder (303) is fixedly connected in the through hole (201 b), and a central shaft (304) is arranged in the fixed cylinder (303);
the second gear (302) is provided with a through rotating hole (302 b), and one end of the central shaft (304) can be embedded into the rotating hole (302 b);
a rotating piece (304 c) is sleeved at one end, located outside the base (201), of the fixed cylinder (303), the rotating piece (304 c) is fixedly connected with one end of the central shaft (304), a limiting groove (303 a) is formed in the fixed cylinder (303), one end of the rotating piece (304 c) extends towards the axis to form a limiting boss (304 a) and is embedded into the limiting groove (303 a), and a first spring (305) is arranged between the rotating piece (304 c) and the side face of the base (201); evenly be provided with a plurality of spacing hole (302 c) along the circumference on second gear (302), fixed cylinder (303) are close to the one end of second gear (302) is provided with pinhole (303 b) towards corresponding, install spacer pin (306) in pinhole (303 b), be provided with second spring (307) between spacer pin (306) and pinhole (303 b) bottom.
2. The adjustable orientation switch cabinet internal temperature sensor of claim 1, wherein: a rotating shaft (104) is arranged in the guide groove (102), the guide block (103) is provided with a guide hole (103 a), and the rotating shaft (104) penetrates through the guide hole (103 a).
3. The adjustable orientation switch cabinet internal temperature sensor of claim 2, wherein: the rotating shaft (104) is provided with two spiral grooves (104 a) which are connected end to end, and the two spiral grooves (104 a) are arranged in a mirror image manner and have opposite rotating directions;
a hinged rotary table (103 b) is arranged in the guide hole (103 a), the hinged rotary table (103 b) is connected with a phase change block (105), and the phase change block (105) is embedded into the spiral groove (104 a).
4. The adjustable orientation switch cabinet internal temperature sensor of claim 3, wherein: one end of the rotating shaft (104) is connected with a driven wheel (106), and the driven wheel (106) is driven by a motor through gear connection.
5. The adjustable orientation switch cabinet internal temperature sensor of claim 4, wherein: the center pin (304) are close to the one end of second gear (302) is provided with ring channel (304 b), ring channel (304 b) internal rotation is connected with change (308), it has shift fork (309) to articulate on change (308), be provided with elongated slot (309 a) on shift fork (309), pinhole (303 b) with be provided with logical groove (303 c) between fixed section of thick bamboo (303) inner wall, be provided with first arch (303 d) in logical groove (303 c), spacer pin (306) are provided with spout (306 a) that runs through, be provided with second arch (306 b) in spout (306 a), shift fork (309) one end is passed in proper order logical groove (303 c), spout (306 a), first arch (303 d) and second arch (306 b) are located in elongated slot (309 a).
6. The adjustable orientation switch cabinet internal temperature sensor of claim 5, wherein: the rotating hole (302 b) is rectangular, and one end of the central shaft (304) close to the rotating hole (302 b) is rectangular.
CN202110280027.0A 2021-03-16 2021-03-16 Switch cabinet internal temperature measuring sensor with adjustable direction Active CN113029351B (en)

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