CN215731283U

CN215731283U - Mutual inductor for intelligent prepayment circuit breaker

Info

Publication number: CN215731283U
Application number: CN202121881711.6U
Authority: CN
Inventors: 黄浩迪; 岳名洋; 周平安
Original assignee: Zhejiang Cunyu Electric Technology Co ltd
Current assignee: Zhejiang Cunyu Electric Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-01
Anticipated expiration: 2031-08-12

Abstract

The utility model provides a mutual inductor for an intelligent prepayment circuit breaker, which comprises a mutual inductor body, wherein the mutual inductor body comprises a first shell and a second shell which are detachably connected, a first frame part is arranged at an opening of the first shell, a second frame part is arranged at an opening of the second shell, the first frame part and the second frame part are mutually touched and form a gap after the first shell and the second shell are mutually covered, a sealing component is sleeved at the gap of the first shell and the second shell, and the gap is wrapped by the sealing component; according to the utility model, the sealing frame is arranged to seal the gap at the joint of the first shell and the second shell, so that the sealing property of the mutual inductor body is effectively improved, water is prevented from entering, and the service life of the mutual inductor body is prolonged.

Description

Mutual inductor for intelligent prepayment circuit breaker

Technical Field

The utility model relates to the technical field of mutual inductors, in particular to a mutual inductor for an intelligent prepayment circuit breaker.

Background

In the use process of the prepayment circuit breaker, a background software operating system of a master control station is used as a primary center, a host system of the prepayment circuit breaker can be used as a work station, all data and communication network platforms can be connected to a terminal collection controller, the collection controller is provided with an embedded industrial-grade GSM module, the controller is collected effectively, local electric meter data are read actively, and the electricity utilization state of a wide user is monitored effectively.

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment.

However, the existing mutual inductor still has some disadvantages, and the shell of the existing mutual inductor is usually fixed by two detachably connected shells to form a closed space for storing internal elements in order to be opened for maintaining the inside of the mutual inductor, but a gap exists between the two shells, so that the problem of easy water inflow is caused, the internal elements of the mutual inductor are easily damaged, and the service life of the mutual inductor is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mutual inductor for an intelligent prepayment circuit breaker, aiming at the defects of the prior art.

The utility model solves the technical problems through the following technical means:

the utility model provides a mutual-inductor for wisdom type prepayment circuit breaker, includes the mutual-inductor body, the mutual-inductor body is including dismantling first shell and the second shell of connection, the opening part of first shell has first frame portion, the opening part of second shell has second frame portion, and first shell and the mutual lid of second shell close the back, and first frame portion and second frame portion touch each other and form the gap, the gap department cover of first shell and second shell is equipped with seal assembly, seal assembly wraps up the gap position.

Furthermore, the sealing assembly comprises a sealing frame sleeved at the gap of the mutual inductor body, an extrusion assembly positioned in the sealing frame and used for extruding the mutual inductor body, and a driving assembly positioned outside the sealing frame and used for driving the extrusion assembly to axially move; after the pressing driving assembly drives the extrusion assembly to loosen the mutual inductor body, the sealing frame can slide along the mutual inductor body to be separated from the mutual inductor body.

Furthermore, one side of the sealing frame is not tightly attached to the mutual inductor body, so that a movable space is formed.

Further, the extrusion subassembly is including being located the activity space and the extrusion closing plate of closely laminating with the mutual-inductor body, the tip sliding connection of extrusion closing plate is in sealed frame, the first spring of fixedly connected with between extrusion closing plate and the sealed frame.

Furthermore, one side of the sealing frame, which is close to the end part of the extrusion sealing plate, is provided with a sliding groove.

Further, the driving assembly comprises a sliding rod fixed at one end of the extrusion sealing plate; the free end of the slide bar extends to the outer side of the sliding groove and is vertically fixed with a connecting rod, and one end of the connecting rod is vertically fixed with a driving rod.

Furthermore, a second spring is fixedly connected between the driving rod and the sealing frame.

The utility model has the beneficial effects that:

1. by arranging the sealing frame, a gap at the joint of the first shell and the second shell is sealed, so that the sealing property of the mutual inductor body is effectively improved, water is prevented from entering, and the service life of the mutual inductor body is prolonged;

2. through setting up extrusion subassembly extrusion mutual-inductor body, be convenient for fix the sealed department at first shell and second shell with the seal frame to set up drive assembly, the drive extrusion subassembly of being convenient for loosens the mutual-inductor body, makes the seal frame can slide on the mutual-inductor body, breaks away from the sensor body, thereby makes seal assembly also can dismantle when sealing up the mutual-inductor body, does not influence first shell and second shell and opens.

Drawings

FIG. 1 is a schematic structural diagram of a transformer body according to the present invention;

FIG. 2 is a schematic structural diagram of a first frame portion and a second frame portion according to the present invention;

FIG. 3 is a schematic view of the seal assembly of the present invention;

in the figure: 1. a transformer body; 11. a first housing; 111. a first frame portion; 12. a second housing; 121: a second frame portion; 2. a seal assembly; 21. a sealing frame; 211. a chute; 22. an extrusion assembly; 221. a first spring; 222. extruding the sealing plate; 23. a drive assembly; 231. a slide bar; 232. a connecting rod; 233. a drive rod; 234. a second spring; 3. an activity space.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1 and fig. 2, the mutual inductor for an intelligent prepaid circuit breaker according to the present embodiment includes a mutual inductor body 1, where the mutual inductor body 1 includes a first housing 11 and a second housing 12 that are detachably connected, a first frame portion 111 is provided at an opening of the first housing 11, a second frame portion 121 is provided at an opening of the second housing 12, after the first housing 11 and the second housing 12 are covered with each other, the first frame portion 111 and the second frame portion 121 touch each other and form a gap, a sealing assembly 2 is sleeved at the gap between the first housing 11 and the second housing 12, and the sealing assembly 2 covers the gap;

when the mutual inductor is used, the sealing assembly 2 is arranged, so that a gap on the mutual inductor body 1 is conveniently sealed; thereby preventing rainwater from entering, effectively improving the sealing performance of the equipment and prolonging the service life of the equipment.

As shown in fig. 3, the sealing assembly 2 includes a sealing frame 21 sleeved at a gap of the transformer body 1, a pressing assembly 22 located in the sealing frame 21 and used for pressing the transformer body 1, and a driving assembly 23 located outside the sealing frame 21 and used for driving the pressing assembly 22 to move axially; after the pressing driving assembly 23 drives the extruding assembly 22 to loosen the mutual inductor body 1, the sealing frame 21 can slide along the mutual inductor body 1 and is separated from the mutual inductor body 1;

when the mutual inductor is used, as shown in fig. 3, the sealing frame 21 is arranged to seal the gap at the joint of the first shell 11 and the second shell 12, so that the sealing performance of the mutual inductor body 1 is effectively improved, water is prevented from entering, and the service life of the mutual inductor body 1 is prolonged; the mutual inductor body 1 is extruded by arranging the extruding assembly 22, so that the sealing frame 21 is fixed at the sealing position of the first shell 11 and the second shell 12; through setting up drive assembly 23, be convenient for drive extrusion subassembly 22 unclamp mutual-inductor body 1 for sealed frame 21 can slide on mutual-inductor body 1, breaks away from the mutual-inductor body 1, thereby makes seal assembly 2 also can dismantle when sealing mutual-inductor body 1, does not influence first shell 11 and second shell 12 and opens.

As shown in fig. 3, one side of the sealing frame 21 is not tightly attached to the transformer body 1, so as to form a movable space 3;

by providing the activity space 3, it is facilitated to arrange the squeezing assembly 22 in the activity space 3.

As shown in fig. 3, the pressing assembly 22 includes a pressing sealing plate 222 located in the movable space 3 and closely attached to the transformer body 1, an end of the pressing sealing plate 222 is slidably connected to the sealing frame 21, and a first spring 221 is fixedly connected between the pressing sealing plate 222 and the sealing frame 21;

through setting up first spring 221 and fixing the extrusion closing plate 222 at its one end, be convenient for use the elasticity of first spring 221 to promote extrusion closing plate 222 and extrude mutual-inductor body 1, live with the one side gap that mutual-inductor body 1 and seal frame 21 laminating not.

As shown in fig. 3, a sliding groove 211 is formed on one side of the sealing frame 21 close to the end of the pressing sealing plate 222;

by opening the sliding groove 211, the driving assembly 23 outside the sealing frame 21 is convenient to be connected with the extrusion assembly 22 inside the sealing frame 21.

As shown in fig. 3, the driving assembly 23 includes a slide bar 231 fixed to one end of the pressing sealing plate 222; the free end of the sliding rod 231 extends to the outer side of the sliding groove 211 and is vertically fixed with a connecting rod 232, and one end of the connecting rod 232 is vertically fixed with a driving rod 233;

in use, as shown in fig. 3, the pressing driving rod 233 drives the sliding rod 231 to slide in the sliding groove 211 to a side away from the transformer body 1 through the connecting rod 232, and simultaneously drives the pressing sealing plate 222 to move to a side away from the transformer body 1 and press the first spring 221, so that the fixed state between the sealing frame 21 and the transformer body 1 is opened, and the sealing frame 21 can slide along the transformer body 1 and be separated from the transformer body 1.

As shown in fig. 3, a second spring 234 is fixedly connected between the driving rod 233 and the sealing frame 21;

through setting up second spring 234, extrude second spring 234 when pressing the actuating lever 233, when loosening the actuating lever 233, can make the actuating lever 233 reset through the resilience force of second spring 234 to second spring 234 can produce pulling force to extrusion closing plate 222, makes extrusion closing plate 222 closely laminate in the gap department of mutual-inductor body 1, improves sealed effect.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A mutual inductor for intelligent prepaid circuit breakers, comprising a mutual inductor body (1), said mutual inductor body (1) comprising a first shell (11) and a second shell (12) which can be removably connected, characterized in that: the opening part of the first shell (11) is provided with a first frame part (111), the opening part of the second shell (12) is provided with a second frame part (121), the first shell (11) and the second shell (12) are mutually covered, the first frame part (111) and the second frame part (121) touch each other and form a gap, a sealing assembly (2) is sleeved at the gap of the first shell (11) and the second shell (12), and the gap is wrapped by the sealing assembly (2).

2. The transformer for intelligent prepaid circuit breakers according to claim 1, characterized in that: the sealing assembly (2) comprises a sealing frame (21) sleeved at a gap of the mutual inductor body (1), an extrusion assembly (22) positioned in the sealing frame (21) and used for extruding the mutual inductor body (1), and a driving assembly (23) positioned outside the sealing frame (21) and used for driving the extrusion assembly (22) to axially move; after the pressing driving assembly (23) drives the extruding assembly (22) to loosen the mutual inductor body (1), the sealing frame (21) can slide along the mutual inductor body (1) to be separated from the mutual inductor body (1).

3. The transformer for intelligent prepaid circuit breakers according to claim 2, characterized in that: one side of the sealing frame (21) is not tightly attached to the mutual inductor body (1) to form a movable space (3).

4. The transformer for intelligent prepaid circuit breakers according to claim 3, characterized in that: the extrusion assembly (22) comprises an extrusion sealing plate (222) which is located in the movable space (3) and is tightly attached to the mutual inductor body (1), the end portion of the extrusion sealing plate (222) is connected to the sealing frame (21) in a sliding mode, and a first spring (221) is fixedly connected between the extrusion sealing plate (222) and the sealing frame (21).

5. The transformer for intelligent prepaid circuit breakers according to claim 4, characterized in that: one side of the sealing frame (21) close to the end part of the extrusion sealing plate (222) is provided with a sliding groove (211).

6. The transformer for intelligent prepaid circuit breakers according to claim 2, characterized in that: the driving assembly (23) comprises a sliding rod (231) fixed at one end of the extrusion sealing plate (222); the free end of the sliding rod (231) extends to the outer side of the sliding groove (211), a connecting rod (232) is vertically fixed, and a driving rod (233) is vertically fixed at one end of the connecting rod (232).

7. The transformer for intelligent prepaid circuit breakers according to claim 6, characterized in that: a second spring (234) is fixedly connected between the driving rod (233) and the sealing frame (21).