Intelligent sensor for electric power detection
By designing a protective mechanism in the smart sensor, the magnet and ultrasonic sensor are prevented from rusting and oxidizing in humid environments, thus solving the problem of weakened magnetism and extending the sensor's lifespan.
Patent Information
- Application Number
- CN202422842241.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In existing technologies, when smart sensors are used in humid environments, the magnets are directly exposed to the outside, making them prone to rusting and oxidation, which weakens the magnetism and shortens the lifespan of the sensor.
A smart sensor for power detection was designed, comprising a housing and a protective mechanism. After being adsorbed onto the outer wall of the device by a ring magnet, the sensing end of the ultrasonic sensor is attached to the test point. After the test is completed, the protective cover covers the magnet and the sensor. Moisture corrosion is prevented by the cooperation of movable clamps and limit springs.
It effectively protects the magnet and ultrasonic sensor, preventing rust and oxidation caused by moisture and extending the sensor's lifespan.
Smart Images

Figure CN223513299U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sensor technical field, concretely is a kind of intelligent sensor for electric power detection. BACKGROUND
[0002] It is known that some occasional factors in the design, manufacture, transportation and installation process of power equipment can cause some congenital local defects, such as bubbles, cracks, suspended conductive particles and burrs; these defects can cause the electric field intensity of some areas of the power equipment to be too high, and when it is higher than the breakdown field strength of the insulating medium, partial discharge will occur; partial discharge is not only a characteristic quantity representing the insulation condition of the power equipment, but also a major cause of insulation deterioration; as the existing technology for detecting partial discharge of power equipment, China Patent Network discloses an intelligent ultrasonic sensor for detecting partial discharge of power equipment with publication number CN207396665U, which comprises a rectangular shell, a lid covering the shell, an ultrasonic sensor, an integrated circuit board, a power switch, a charging hole, a charging indicator light, a signal transmitting antenna and a powerful magnet. The utility model can process the partial discharge signal and send it to the terminal receiving device through the signal transmitting antenna, without the need for connecting cables for remote testing, ensuring the personal safety of the testers; it has the characteristics of being small, portable and easy to use.
[0003] However, the intelligent sensor for electric power detection in the prior art has the problem that when in use, it mainly relies on the magnet to be attracted to the test point on the outer wall of the equipment, so that the sensor can be tightly attached to the test point for testing, but since there is no function setting for protecting the magnet and the sensor, when the magnet is directly exposed to the external humid environment, it is prone to rust and oxidation, which can change the chemical structure of the magnetic material and weaken the magnetism of the magnet, which is not conducive to prolonging the service life of the sensor; therefore, an intelligent sensor for electric power detection is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims to provide an intelligent sensor for electric power detection to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an intelligent sensor for electric power detection, comprising: a shell and a protection mechanism.
[0006] The bottom of the shell is fixedly connected with a pipe body, the inside of the pipe body is fixedly embedded with an annular magnet, the inside of the shell is fixedly installed with an ultrasonic sensor, and the sensing end of the ultrasonic sensor is inserted into the inside of the annular magnet.
[0007] The protection mechanism comprises a ring body and two symmetrical insertion rods fixedly connected to the outer wall of the shell, one side of the ring body is fixedly connected with a protective cover, symmetrical through holes for the insertion rods to pass through are formed in the ring body, an empty slot is formed in the insertion rod, a limiting spring is fixedly connected to the inner side wall of the empty slot, and a movable clamping block is fixedly connected to one end of the limiting spring and movably connected to the inside of the empty slot.
[0008] By adopting the above technical scheme, after the ring magnet is adsorbed on the outer wall of the power equipment, the sensing end of the ultrasonic sensor can be attached to the test point to detect the partial discharge; in addition, after the detection is completed, the protective cover can be sleeved outside the pipe body, so that the insertion rod can pass through the through hole of the ring body, and then the movable clamping block can be moved into the inside of the empty slot under the extrusion of the inner wall of the through hole, and when the movable clamping block extends from the other side of the through hole, it can be moved out of the empty slot under the tension of the limiting spring, so that the movable clamping block can abut the ring body against the outer wall of the shell, and the protective cover can protect the ring magnet and the ultrasonic sensor when not in use, avoiding the influence of moisture on the ring magnet and the ultrasonic sensor to shorten the service life.
[0009] Preferably, a sliding groove is formed in the inner side wall of the empty slot, a sliding block is slidably connected to the inner side wall of the sliding groove, and one side of the sliding block is fixedly connected with the movable clamping block.
[0010] By adopting the above technical scheme, the movable clamping block can move stably in a straight line under the action of the limiting spring.
[0011] Preferably, two positioning rods are fixedly connected to the outer wall of the shell, and positioning holes for the positioning rods to pass through are formed in the inside of the ring body.
[0012] By adopting the above technical scheme, the positioning rods can be inserted into the positioning holes to preliminarily position the ring body, and further improve the stability of the ring body after being fixed.
[0013] Preferably, a signal transmitting antenna is fixedly installed on the outside of the shell.
[0014] By adopting the above technical scheme, the signals processed by the integrated circuit inside the shell can be sent to the terminal receiving device.
[0015] Preferably, a power switch and a charging hole are fixedly installed on the outside of the shell, respectively.
[0016] By adopting the above technical scheme, the sensor can be conveniently controlled and charged.
[0017] Preferably, a charging indicator light for displaying the charging state is fixedly installed on the outside of the shell.
[0018] By adopting the technical scheme, the charging state of the sensor can be conveniently displayed in real time.
[0019] To sum up, the present application includes at least one of the following beneficial technical effects:
[0020] The intelligent sensor for power detection is provided with the protection mechanism on the shell, so that the protection cover can drive the ring body to be attached to the shell after covering the pipe body outside, the insertion rod can penetrate the through hole, and the movable clamp block can abut the ring body on the shell under the action of the limiting spring, so that the annular magnet and the ultrasonic sensor can be effectively protected when not in use, the negative influence of external moisture on the annular magnet is avoided, and the service life of the sensor is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structural schematic view of the intelligent sensor for power detection of the utility model;
[0022] Figure 2 It is an enlarged schematic view of A area of the structural schematic view in the intelligent sensor for power detection of the utility model;
[0023] Figure 3 It is a structural schematic view of the inside of the insertion rod in the intelligent sensor for power detection of the utility model;
[0024] Figure 4 It is a structural schematic view of the protection mechanism in the intelligent sensor for power detection of the utility model.
[0025] In the drawing: 1, shell; 10, pipe body; 11, ultrasonic sensor; 12, annular magnet; 13, signal transmitting antenna; 14, power switch; 15, charging hole; 16, charging indicator light; 2, protection mechanism; 20, ring body; 21, protection cover; 22, through hole; 23, insertion rod; 24, air slot; 25, movable clamp block; 26, limiting spring; 27, sliding groove; 28, sliding block; 29, positioning rod; 201, positioning hole. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of intelligent sensor for power detection, comprising: shell 1 and protection mechanism 2;
[0028] Firstly, in order to enable the sensing end of the ultrasonic sensor 11 to adhere to the test point on the outer wall of the power equipment for detection of partial discharge after the ring magnet 12 is adsorbed on the outer wall of the power equipment, the bottom of the shell 1 is fixedly connected with a pipe body 10, the inside of the pipe body 10 is fixedly embedded with the ring magnet 12, the inside of the shell 1 is fixedly installed with the ultrasonic sensor 11, the sensing end of the ultrasonic sensor 11 is inserted into the inside of the ring magnet 12; in order to be able to send the signal processed by the integrated circuit inside the shell 1 to the terminal receiving equipment, the outside of the shell 1 is fixedly installed with a signal transmitting antenna 13; in order to be able to facilitate the on-off control and charging operation of the sensor, the outside of the shell 1 is respectively fixedly installed with a power switch 14 and a charging hole 15; in order to be able to facilitate the real-time display of the charging state of the sensor, the outside of the shell 1 is fixedly installed with a charging indicator lamp 16 for displaying the charging state;
[0029] It should be noted that: in order to enable the sensing end of the ultrasonic sensor 11 to adhere to the test point on the outer wall of the power equipment for detection after the ring magnet 12 is adsorbed on the outer wall of the power equipment, the pipe body 10, the ring magnet 12 and the sensing end of the ultrasonic sensor 11 are in flush state;
[0030] It should be noted that: the specific structure of the integrated circuit board inside the shell 1 is the prior art disclosed in the patent with publication number CN207396665U, which will not be described here;
[0031] Secondly, in order to enable the protective cover 21 to be sleeved outside the pipe body 10 after the detection is completed, so that the insertion rod 23 can penetrate through the through hole 22 of the ring body 20, and then the movable clamping block 25 can be moved into the empty slot 24 under the extrusion of the inner wall of the through hole 22, and when the movable clamping block 25 extends from the other side of the through hole 22, it can be moved out of the empty slot 24 under the tensioning action of the limiting spring 26, so that the movable clamping block 25 can tightly abut the ring body 20 against the outer wall of the shell 1, and the protective cover 21 can protect the ring magnet 12 and the ultrasonic sensor 11 when not in use, avoiding the influence of moisture on the service life of the ring magnet 12 and the ultrasonic sensor 11; the protection mechanism 2 comprises the ring body 20 and two insertion rods 23 fixedly connected to the outer wall of the shell 1, the protective cover 21 is fixedly connected to one side of the ring body 20, the through hole 22 for penetrating the insertion rod 23 is symmetrically formed on the ring body 20, the empty slot 24 is formed in the inside of the insertion rod 23, the limiting spring 26 is fixedly connected to the inner side wall of the empty slot 24, one end of the limiting spring 26 is fixedly connected with the movable clamping block 25, and the movable clamping block 25 is movably connected to the inside of the empty slot 24;
[0032] Again, in order to enable the activity clamp block 25 to keep stable linear movement under the action of the limiting spring 26, the inner side wall of the air slot 24 is provided with a sliding groove 27, the inner side wall of the sliding groove 27 is slidably connected with a sliding block 28, one side of the sliding block 28 is fixedly connected with the movable clamp block 25; in order to enable the positioning rod 29 to be inserted into the positioning hole 201 to preliminarily position the ring body 20, and also to further improve the stability of the ring body 20 after being fixed, the outer wall of the shell 1 is fixedly connected with two positioning rods 29, and the inner part of the ring body 20 is symmetrically provided with a positioning hole 201 for enabling the positioning rod 29 to penetrate;
[0033] It should be noted that: in order to avoid the influence of the positioning rod 29 and the inserting rod 23 on the use of the annular magnet 12 and the ultrasonic sensor 11, the lengths of the positioning rod 29 and the inserting rod 23 are shorter than the pipe body 10.
[0034] According to the above technical scheme, the working steps of the present scheme are summarized and combed: in use, after the annular magnet 12 is adsorbed on the outer wall of the power equipment, the sensing end of the ultrasonic sensor 11 can be attached to the test point for partial discharge detection; after detection, the protective cover 21 can be sleeved outside the pipe body 10, so that the inserting rod 23 can penetrate the through hole 22 of the ring body 20, and then the movable clamp block 25 can be moved into the air slot 24 under the extrusion action of the inner wall of the through hole 22, and when the movable clamp block 25 extends from the other side of the through hole 22, it can be moved out of the air slot 24 under the tensioning action of the limiting spring 26, so that the movable clamp block 25 can abut the ring body 20 against the outer wall of the shell 1, and the protective cover 21 can protect the annular magnet 12 and the ultrasonic sensor 11 when not in use, avoiding that the annular magnet 12 and the ultrasonic sensor 11 are affected by moisture and cause the service life to be shortened.
[0035] The parts not involved in the present application are the same as or can be realized by the prior art. Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A smart sensor for power detection, characterized in that, include: Housing (1) and protective mechanism (2); The bottom of the housing (1) is fixedly connected to a tube (10), and a ring magnet (12) is fixedly embedded inside the tube (10). An ultrasonic sensor (11) is fixedly installed inside the housing (1), and the sensing end of the ultrasonic sensor (11) is inserted into the ring magnet (12). The protective mechanism (2) includes a ring (20) and two symmetrically fixedly connected rods (23) on the outer wall of the housing (1). A protective cover (21) is fixedly connected to one side of the ring (20). A through hole (22) for the rods (23) to pass through is symmetrically opened on the ring (20). A slot (24) is opened inside the rod (23). A limit spring (26) is fixedly connected to the inner side wall of the slot (24). A movable clamping block (25) is fixedly connected to one end of the limit spring (26). The movable clamping block (25) is movably connected inside the slot (24).
2. The intelligent sensor for power detection according to claim 1, characterized in that: The inner wall of the slot (24) is provided with a sliding groove (27), and a slider (28) is slidably connected to the inner wall of the sliding groove (27). One side of the slider (28) is fixedly connected to the movable clamp (25).
3. The intelligent sensor for power detection according to claim 1, characterized in that: The outer wall of the housing (1) is symmetrically fixed with two positioning rods (29), and the inside of the ring (20) is symmetrically provided with positioning holes (201) for the positioning rods (29) to pass through.
4. The intelligent sensor for power detection according to claim 3, characterized in that: A signal transmitting antenna (13) is fixedly installed on the outside of the housing (1).
5. The intelligent sensor for power detection according to claim 4, characterized in that: A power switch (14) and a charging port (15) are fixedly installed on the outer side of the housing (1).
6. The intelligent sensor for power detection according to claim 5, characterized in that: A charging indicator light (16) for displaying the charging status is fixedly installed on the outside of the housing (1).
Citation Information
Patent Citations
A intelligent ultrasonic sensor for power equipment partial discharge detector
CN207396665U