Open-loop Hall current sensor

Abstract

The utility model discloses an open-loop Hall current sensor. The open-loop Hall current sensor comprises a current sensor and a mounting seat, a mounting plate is mounted at the bottom end of the current sensor, inserting rods are mounted on the periphery of the bottom end of the mounting plate, baffles are mounted at the bottom ends of the inserting rods, inserting holes are formed in one side of the mounting plate, gourd inserting holes are formed in the positions, corresponding to the inserting rods, of the upper end of the mounting base, and a positioning mechanism is mounted on one side of the upper end of the mounting base; the positioning mechanism is composed of an ejector rod and a mounting cylinder, the mounting cylinder is mounted on the upper side of the mounting seat, the bottom end of the ejector rod extends into the mounting cylinder, and a spring is mounted at the position, located at the bottom end of the ejector rod, in the mounting cylinder. In the rotating process of the mounting plate, the ejector rod at the upper end of the positioning mechanism is inserted into the jack under the driving of the spring to lock the mounting plate, so that the current sensor can be mounted very conveniently and quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of current sensors, in particular to an open-loop Hall current sensor. Background Art

[0002] A current sensor is a detection device that can sense the information of the measured current and transform the detected information into an electrical signal or other required forms of information that meet certain standard requirements according to certain rules, so as to meet the requirements of information transmission, processing, storage, display, recording and control.

[0003] The existing open-loop Hall current sensor with the publication number CN202021017701.3 discloses an open-loop Hall current sensor that is convenient for installation and use, including an installation table, a circuit board, an iron core and a magnetic core. The circuit board is horizontally installed on the top surface of the installation table, and the iron core is vertically penetrated through the bottom surface in the middle of the installation table. A magnetic core is arranged on the top surface of the circuit board, and one side of the magnetic core is open-loop. The magnetic core is adhesively fixed on the top surface of the circuit board through an insulating sleeve, and a sensor is installed at the open-loop of the magnetic core. In the process of installing the current sensor as a whole in the prior art, a large number of bolts are required, which is not convenient for disassembly and maintenance. Content of the Utility Model

[0004] The purpose of the utility model is to provide an open-loop Hall current sensor to solve the problems put forward in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an open-loop Hall current sensor, including a current sensor and a mounting base; an installation plate is installed at the bottom end of the current sensor, insertion rods are installed around the bottom end of the installation plate, a baffle is installed at the bottom end of the insertion rod, a jack is arranged at one side position of the installation plate, a gourd-shaped jack is arranged at the corresponding position of the insertion rod at the upper end of the mounting base, a positioning mechanism is installed at one side position of the upper end of the mounting base, the positioning mechanism consists of a top rod and an installation cylinder, the installation cylinder is installed on the upper side of the mounting base, the bottom end of the top rod extends into the interior of the installation cylinder, and a spring is installed at the position of the bottom end of the top rod inside the installation cylinder.

[0006] Preferably, a self-cleaning layer is arranged on the outer side of the current sensor, and the self-cleaning layer is set as a nano-silicon coating layer.

[0007] Preferably, a plurality of triangular plates are arranged between the current sensor and the installation plate, and the triangular plates are welded at the outer side of the current sensor and the upper side position of the installation plate.

[0008] Preferably, the bottom end section of the baffle is trapezoidal.

[0009] Preferably, a rubber pad is arranged at the bottom end of the installation plate, and the rubber pad is pasted at the bottom end position of the installation plate through an adhesive.

[0010] Preferably, a limiting plate is arranged at the bottom end of the ejector rod inside the installation cylinder, and the limiting plate is welded to the bottom end of the ejector rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. During the rotation of the mounting plate, the ejector rod at the upper end of the positioning mechanism will be driven by the spring to insert into the jack, locking the mounting plate, and thus completing the installation of the current sensor, which is very convenient and fast;

[0013] 2. The nano-silicon coating layer used for the self-cleaning layer has strong hydrophobic and dust-resistant adhesion properties, which can keep the outer surface of the current sensor clean;

[0014] 3. The bottom end of the baffle is trapezoidal, which can reduce the diameter of the bottom end of the baffle, thus facilitating the quick installation of the insertion rod;

[0015] 4. The setting of the limiting plate is used to limit the movement range of the ejector rod, avoiding the phenomenon that the ejector rod disengages from the installation cylinder during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the mounting seat of the present utility model;

[0019] Figure 3 is a schematic installation structural diagram of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the positioning mechanism of the present utility model.

[0021] In the figure: 1. Current sensor; 2. Mounting plate; 3. Insertion rod; 4. Baffle; 5. Jack; 6. Mounting seat; 7. Rubber pad; 8. Positioning mechanism; 9. Gourd jack; 10. Installation cylinder; 11. Ejector rod; 12. Limiting plate; 13. Spring; 14. Triangular plate); 15. Self-cleaning layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In the embodiment of the present utility model, an open-loop Hall current sensor includes a current sensor 1 and a mounting base 6; a mounting plate 2 is installed at the bottom end of the current sensor 1, insertion rods 3 are installed around the bottom end of the mounting plate 2, a baffle 4 is installed at the bottom end of the insertion rod 3, a jack 5 is arranged at one side position of the mounting plate 2, a gourd-shaped jack 9 is arranged at the upper end of the mounting base 6 corresponding to the position of the insertion rod 3, a positioning mechanism 8 is installed at one side position of the upper end of the mounting base 6, the positioning mechanism 8 is composed of a top rod 11 and a mounting cylinder 10, the mounting cylinder 10 is installed on the upper side of the mounting base 6, the bottom end of the top rod 11 extends into the interior of the mounting cylinder 10, and a spring 13 is installed at the position of the bottom end of the top rod 11 inside the mounting cylinder 10.

[0024] A self-cleaning layer 15 is arranged on the outer side of the current sensor 1. The self-cleaning layer 15 is set as a nano-silicon coating layer. The nano-silicon coating layer used for the self-cleaning layer 15 has strong hydrophobicity and the property that dust is difficult to adhere to, and can keep the outer surface of the current sensor 1 clean.

[0025] A plurality of triangular plates 14 are arranged between the current sensor 1 and the mounting plate 2. The triangular plates 14 are welded at the outer side of the current sensor 1 and the upper side position of the mounting plate 2. The arrangement of the triangular plates 14 is used to fix between the current sensor 1 and the mounting plate 2, so that the installation between the current sensor 1 and the mounting plate 2 is more stable; a rubber pad 7 is arranged at the bottom end of the mounting plate 2, and the rubber pad 7 is pasted at the bottom end position of the mounting plate 2 through an adhesive. When the mounting plate 2 is installed, the rubber pad 7 will be compressed and deformed to fill the gap between the mounting plate 2 and the mounting base 6, so that the mounting plate 2 is installed more stably.

[0026] The bottom end section of the baffle 4 is trapezoidally arranged. The bottom end of the baffle 4 is trapezoidally arranged, which can reduce the caliber of the bottom end of the baffle 4, thereby facilitating the rapid installation of the insertion rod 3.

[0027] A limiting plate 12 is provided at the bottom end of the ejector rod 11 inside the installation cylinder 10. The limiting plate 12 is welded to the bottom end of the ejector rod 11. The setting of the limiting plate 12 is used to limit the movement range of the ejector rod 11 and prevent the ejector rod 11 from detaching from the installation cylinder 10 during use.

[0028] The working principle and usage process of the present utility model: When installing the current sensor 1, insert the baffle 4 at the bottom end of the insertion rod 3 through the large-diameter position of the gourd jack 9, and then rotate it so that the baffle 4 moves to the inside of the small-diameter end of the gourd jack 9. The position of the insertion rod 3 can be restricted by the baffle 4. Fix the mounting plate 2. At the same time, during the rotation of the mounting plate 2, the ejector rod 11 at the upper end of the positioning mechanism 8 will be driven by the spring 13 to insert into the jack 5 to lock the mounting plate 2, thus completing the installation of the current sensor 1, which is very convenient and fast.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An open-loop Hall current sensor, comprising a current sensor (1) and a mounting base (6); characterized in that: A mounting plate (2) is mounted at the bottom end of the current sensor (1), a plug rod (3) is mounted around the bottom end of the mounting plate (2), a baffle (4) is mounted at the bottom end of the plug rod (3), a plug hole (5) is arranged at one side of the mounting plate (2), a gourd plug hole (9) is arranged at the upper end of the mounting seat (6) corresponding to the plug rod (3), a positioning mechanism (8) is mounted at one side of the upper end of the mounting seat (6), the positioning mechanism (8) is composed of a push rod (11) and a mounting tube (10), the mounting tube (10) is mounted on the upper side of the mounting seat (6), the bottom end of the push rod (11) extends into the interior of the mounting tube (10), and a spring (13) is mounted at the bottom end of the push rod (11) in the interior of the mounting tube (10).

2. An open-loop Hall current sensor according to claim 1, characterized in that: A self-cleaning layer (15) is provided on the outer side of the current sensor (1), and the self-cleaning layer (15) is provided as a nano-silicon coating layer.

3. An open-loop Hall current sensor according to claim 1, characterized in that: A plurality of triangular plates (14) are arranged between the current sensor (1) and the mounting plate (2), and the triangular plates (14) are welded to the outside of the current sensor (1) and the upper side of the mounting plate (2).

4. An open-loop Hall current sensor according to claim 1, characterized in that: The bottom end section of the baffle (4) is arranged in a trapezoidal shape.

5. The open-loop Hall current sensor according to claim 1, characterized in that: A rubber pad (7) is provided at the bottom end of the mounting plate (2), and the rubber pad (7) is adhered to the bottom end of the mounting plate (2) by means of adhesive.

6. An open-loop Hall current sensor according to claim 1, characterized in that: A limit plate (12) is provided at the bottom end of the push rod (11) located at the bottom end of the inner end of the mounting tube (10), and the limit plate (12) is welded to the bottom end of the push rod (11).

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