CN210269966U

CN210269966U - Open-close type direct current sensor

Info

Publication number: CN210269966U
Application number: CN201920815634.0U
Authority: CN
Inventors: 赵峰; 潘国明; 黄海晶
Original assignee: Ningbo Haitai Automobile Electronics Co ltd
Current assignee: Ningbo Haitai Automobile Electronics Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-07
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses an open-close type direct current sensor, in particular to the technical field of current detection, comprising a machine body, wherein the top of the machine body is provided with a lower shell, the top of the lower shell is provided with an upper shell, one side between the lower shell and the upper shell is provided with a rotating shaft, iron cores are arranged inside the lower shell and the upper shell, and telescopic mechanisms are arranged between the lower shell and the iron cores; telescopic machanism includes the mounting, the mounting sets up in the iron core both ends, casing and the inside both ends of last casing all are provided with the movable rod down, the movable rod outside is provided with the spring. The utility model discloses a spring promotes the mounting, and the iron core shrink is held tightly two and is rotated the hand frame, rotates the hand frame and drives the fixed axle, utilizes the mount to drive two iron core motions, and the iron core stretches out, carries out the current induction to the wire in the response chamber, realizes avoiding the iron core to damage the telescopic control of iron core, improves the life of inductor.

Description

Open-close type direct current sensor

Technical Field

The utility model relates to a current detection technical field, more specifically say, the utility model relates to an open-close type direct current sensor.

Background

The current sensor has the function of converting primary current with a larger value into secondary current with a smaller value through a certain transformation ratio for protection, measurement and the like. The current sensor principle is based on the electromagnetic induction principle.

Patent application publication No. CN 201520479048.5's utility model patent discloses a little current sensor of digital openable direct current, include: casing and iron core: the iron core is arranged in the shell, and the shell is of an openable structure; the iron core is provided with a first iron core body and a second iron core body, and the first iron core body and the second iron core body are correspondingly separated and connected when the shell is opened and closed; and, set up in inside little current detection circuit of direct current and the control circuit of casing, wherein: the output end of the direct current micro-current detection circuit is connected with the input end of the control circuit, the control circuit is provided with a digital quantity communication circuit, and the digital quantity communication circuit is electrically and/or wirelessly connected with an upper computer. On the basis of realizing the little current monitoring of direct current, avoided because the power failure when installation, change and maintenance sensor, to direct current supply electrical equipment's in the transformer substation influence and the loss that causes.

However, in practical use, there are still many disadvantages, such as when the inductor is used, the iron core is always in contact with the wire, and the iron core is easily rubbed by the wire, which affects the service life of the inductor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an open-close type direct current sensor, promote the mounting through the spring, promote the iron core, make the iron core contract respectively inside casing or the last casing, when using, hold two and rotate the hand racks, it rotates in opposite directions to drive two and rotate the hand racks, utilize to rotate the hand racks and drive the fixed axle at first activity groove and second activity inslot activity, utilize the mount to drive two iron core motions, compression spring, convex iron core stretches out from response chamber top and bottom, wire to among the response chamber carries out the current induction, realize the flexible control to the iron core, avoid the iron core to be damaging, improve the life of inductor, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an open-close type direct current sensor comprises a machine body, wherein a lower shell is arranged at the top of the machine body, an upper shell is arranged at the top of the lower shell, a rotating shaft is arranged on one side between the lower shell and the upper shell, iron cores are arranged in the lower shell and the upper shell, and telescopic mechanisms are arranged between the lower shell and the iron cores and between the upper shell and the iron cores;

telescopic machanism includes the mounting, the mounting sets up in the iron core both ends, the inside both ends of casing and last casing all are provided with the movable rod down, the movable rod outside is provided with the spring, the iron core both sides all are provided with the mount, two be provided with the fixed axle between the mount top.

In a preferred embodiment, the lower shell and the upper shell are hinged through a rotating shaft, a sensing cavity is formed between the middle parts of the lower shell and the upper shell, and an insulating pad is arranged on the inner wall of the sensing cavity.

In a preferred embodiment, the iron core is made of manganese-zinc ferrite material and is provided in the shape of a circular arc, and the surface of the iron core is provided with an induction coil.

In a preferred embodiment, the two iron cores are symmetrically arranged about the horizontal line of the rotating shaft, the fixed part is movably connected with the movable rod, and the spring is sleeved with the movable rod.

In a preferred embodiment, the lower shell and the upper shell are provided with a first movable groove on the surface, a rotary hand rack is arranged outside the lower shell and the upper shell, and a second movable groove is arranged in the middle of the rotary hand rack.

In a preferred embodiment, the lower shell and the upper shell are both hinged to one end of the rotating hand frame, the first movable groove and the second movable groove are both movably connected with the fixed shaft, and the other end of the rotating hand frame is provided with a rubber sleeve.

In a preferred embodiment, one end of the top of the upper shell is provided with an operating rod, one end of the upper shell is provided with an upper buckle, and one end of the lower shell is provided with a lower buckle.

In a preferred embodiment, the operating rod is provided with a U shape, two ends of the operating rod are fixedly connected with the upper shell, and the upper buckle is matched with the lower buckle.

In a preferred embodiment, a circuit board is disposed inside the machine body, and a display screen is disposed outside the machine body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the axis of rotation, utilize upper housing and lower casing hinge axis of rotation, realize the opening and shutting of upper housing and lower casing, utilize the spring to promote the mounting, promote the iron core, make the iron core shrink respectively to the lower casing or the inside of upper housing, when using, hold two and rotate the hand racks tightly, drive two and rotate the hand racks and rotate in opposite directions, utilize and rotate the hand rack and drive the fixed axle and move in first activity groove and second activity groove, utilize the mount to drive two iron core movements, compression spring, convex iron core stretches out from response chamber top and bottom, carry out the current induction to the wire in the response chamber, realize the flexible control to the iron core, avoid the iron core to damage, improve the life of inductor;

2. the utility model discloses a set up the action bars, conveniently carry and take the action bars, the casing uses the axis of rotation to rotate as the center on the drive, conveniently goes up the closure of casing and lower casing to the buckle and detain the lock down on utilizing, realize going up the fixed of casing and lower casing, and then conveniently put into the response chamber with the wire, the insulating pad of cooperation avoids responding to the intracavity wire electric leakage, improves the security performance.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is an overall schematic diagram of the iron core of the present invention.

Fig. 3 is a schematic top view of the iron core of the present invention.

Fig. 4 is a schematic overall front view of the present invention.

Fig. 5 is a circuit diagram of the present invention.

The reference signs are: the device comprises a machine body 1, a lower shell 2, an upper shell 3, a rotating shaft 4, an iron core 5, a fixing piece 6, a movable rod 7, a spring 8, a fixed frame 9, a fixed shaft 10, a first movable groove 11, a rotating hand frame 12, a second movable groove 13, an insulating pad 14, an operating rod 15, an upper buckle 16, a lower buckle 17, a circuit board 18 and a display screen 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an open-close type direct current sensor as shown in figures 1-5, which comprises a machine body 1, wherein the top of the machine body 1 is provided with a lower shell 2, the top of the lower shell 2 is provided with an upper shell 3, one side between the lower shell 2 and the upper shell 3 is provided with a rotating shaft 4, the lower shell 2 and the upper shell 3 are both internally provided with an iron core 5, and telescopic mechanisms are respectively arranged between the lower shell 2 and the upper shell 3 as well as between the iron core 5;

telescopic machanism includes mounting 6, mounting 6 sets up in 5 both ends of iron core, the inside both ends of casing 2 and last casing 3 all are provided with movable rod 7 down, the movable rod 7 outside is provided with spring 8, 5 both sides of iron core all are provided with mount 9, two be provided with fixed axle 10 between the mount 9 top.

Further, the lower shell 2 and the upper shell 3 are hinged through a rotating shaft 4, an induction cavity is formed between the middle parts of the lower shell 2 and the upper shell 3, and an insulating pad 14 is arranged on the inner wall of the induction cavity.

The implementation mode is specifically as follows: when using the inductor, place organism 1, the wire that will respond to is put 2 tops of casing down, carry and take action bars 15, it uses axis of rotation 4 to rotate as the center to drive go up casing 3, casing 3 and casing 2's closure down in the convenience, and buckle 16 and buckle 17 lock down on the utilization, casing 3 and casing 2's fixed under the realization, and then conveniently put into the wire response chamber, the wire both ends are cliied to cooperation insulating pad 14, avoid responding to the intracavity wire electric leakage, the security performance is improved.

Further, the iron core 5 is made of manganese zinc ferrite material, and the shape is set to be circular arc, and the surface of the iron core 5 is provided with an induction coil.

Further, two the iron core 5 is the symmetry setting about 4 water lines on the axis of rotation, mounting 6 and movable rod 7 swing joint, spring 8 cup joints with movable rod 7.

Further, a first movable groove 11 is formed in the surfaces of the lower shell 2 and the upper shell 3, a rotary hand frame 12 is arranged on the outer sides of the lower shell 2 and the upper shell 3, and a second movable groove 13 is formed in the middle of the rotary hand frame 12.

Further, lower casing 2 and last casing 3 all with rotate hand frame 12 one end articulated, first movable groove 11 and second movable groove 13 all with fixed axle 10 swing joint, it is provided with the rubber sleeve to rotate the other end of hand frame 12.

Furthermore, an operating rod 15 is arranged at one end of the top of the upper shell 3, an upper buckle 16 is arranged at one end of the upper shell 3, and a lower buckle 17 is arranged at one end of the lower shell 2.

Further, the operating rod 15 is provided with a U-shaped shape, two ends of the operating rod 15 are fixedly connected with the upper shell 3, and the upper buckle 16 is matched with the lower buckle 17.

Further, a circuit board 18 is arranged inside the machine body 1, and a display screen 19 is arranged outside the machine body 1.

The implementation mode is specifically as follows: when the inductor is used, the upper shell 3 and the lower shell 2 are closed, the lead is fixed in the induction cavity, when the current induction response is not carried out on the lead in the induction cavity, the spring 8 pushes the fixing piece 6 to push the iron cores 5, the two groups of iron cores 5 move back to back, so that the iron cores 5 respectively shrink into the lower shell 2 or the upper shell 3, when the induction operation is carried out, the two rotating hand frames 12 are held tightly to drive the two rotating hand frames 12 to rotate oppositely, the rubber sleeve is utilized to facilitate the rotation of the rotating hand frames 12, the rotating hand frames 12 are utilized to drive the fixed shaft 10 to move in the first movable groove 11 and the second movable groove 13, the fixed shaft 10 moves downwards from the top of the first movable groove 11, the fixed shaft 10 moves in the second movable groove 13 to avoid the fixed shaft 10 from being separated from the rotating hand frames 12, the fixed frame 9 is utilized to drive the two iron cores 5 to move, the two iron cores 5 move oppositely, the spring 8 is compressed, the arc-shaped iron, carry out the current induction to the wire in the response chamber, realize the flexible control to iron core 5, avoid iron core 5 in the damage, improve the life of inductor.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, an upper shell 3 and a lower shell 2 are closed, a lead is fixed in an induction cavity, when no current induction response is carried out on the lead in the induction cavity, a spring 8 pushes a fixing piece 6 and pushes an iron core 5, so that the iron core 5 is respectively contracted into the lower shell 2 or the upper shell 3, when the induction operation is carried out, two rotating hand frames 12 are held tightly to drive the two rotating hand frames 12 to rotate oppositely, a fixed shaft 10 is driven by the rotating hand frames 12 to move in a first movable groove 11 and a second movable groove 13, the two iron cores 5 are driven by the fixed frame 9 to move, the spring 8 is compressed, the arc-shaped iron cores 5 extend out of the top and the bottom of the induction cavity, the current induction is carried out on the lead in the induction cavity, the expansion control of the iron core 5 is realized, the damage to the iron core 5 is avoided, and;

referring to the attached

drawings

1 and 4 of the specification, when the inductor is used, the operating rod 15 is lifted to drive the upper shell 3 to rotate by taking the rotating shaft 4 as a center, the upper shell 3 and the lower shell 2 are convenient to close, the upper buckle 16 and the lower buckle 17 are buckled, the upper shell 3 and the lower shell 2 are fixed, a wire is conveniently placed into an induction cavity, the two ends of the wire are clamped by the insulating pad 14 in a matching mode, the electric leakage of the wire in the induction cavity is avoided, and the safety performance is improved.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an open-close type direct current sensor, includes organism (1), its characterized in that: a lower shell (2) is arranged at the top of the machine body (1), an upper shell (3) is arranged at the top of the lower shell (2), a rotating shaft (4) is arranged on one side between the lower shell (2) and the upper shell (3), iron cores (5) are arranged in the lower shell (2) and the upper shell (3), and telescopic mechanisms are arranged between the lower shell (2) and the iron cores (5) and between the upper shell (3) and the iron cores (5);

telescopic machanism includes mounting (6), mounting (6) set up in iron core (5) both ends, casing (2) and the inside both ends of last casing (3) all are provided with movable rod (7) down, the movable rod (7) outside is provided with spring (8), iron core (5) both sides all are provided with mount (9), two be provided with fixed axle (10) between mount (9) top.

2. An open-close type dc current sensor according to claim 1, wherein: lower casing (2) and last casing (3) are articulated through axis of rotation (4), form the response chamber between lower casing (2) and last casing (3) middle part, response intracavity wall is provided with insulating pad (14).

3. An open-close type dc current sensor according to claim 1, wherein: the iron core (5) is made of manganese zinc ferrite materials, the shape of the iron core is arc-shaped, and an induction coil is arranged on the surface of the iron core (5).

4. An open-close type dc current sensor according to claim 1, wherein: two iron core (5) are the symmetry setting about axis of rotation (4) water flat line, mounting (6) and movable rod (7) swing joint, spring (8) cup joint with movable rod (7).

5. An open-close type dc current sensor according to claim 1, wherein: the surface of the lower shell (2) and the surface of the upper shell (3) are provided with first movable grooves (11), the outer sides of the lower shell (2) and the upper shell (3) are provided with a rotary hand rack (12), and the middle part of the rotary hand rack (12) is provided with a second movable groove (13).

6. An open-close type dc current sensor according to claim 5, wherein: lower casing (2) and last casing (3) all with rotate hand frame (12) one end articulated, first activity groove (11) and second activity groove (13) all with fixed axle (10) swing joint, it is provided with the rubber sleeve to rotate hand frame (12) the other end.

7. An open-close type dc current sensor according to claim 1, wherein: go up casing (3) top one end and be provided with action bars (15), go up casing (3) one end and be provided with and detain (16), casing (2) one end is provided with down and detains (17) down.

8. An open-close type dc current sensor according to claim 7, wherein: the operating rod (15) is U-shaped, the two ends of the operating rod (15) are fixedly connected with the upper shell (3), and the upper buckle (16) is matched with the lower buckle (17).

9. An open-close type dc current sensor according to claim 1, wherein: the novel multifunctional portable electronic device is characterized in that a circuit board (18) is arranged inside the device body (1), and a display screen (19) is arranged on the outer side of the device body (1).