CN209961804U

CN209961804U - Cable plug-in components formula voltage sensor

Info

Publication number: CN209961804U
Application number: CN201920600568.5U
Authority: CN
Inventors: 陈荣
Original assignee: SHENZHEN SANDIAN MEASUREMENT CONTROL TECHNOLOGY CO LTD
Current assignee: SHENZHEN SANDIAN MEASUREMENT CONTROL TECHNOLOGY CO LTD
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-17
Anticipated expiration: 2029-04-29

Abstract

The utility model belongs to the field of electrical elements, in particular to a cable plug-in type voltage sensor, which comprises a sensor body and a plurality of contact pins arranged on the bottom surface of the sensor body, wherein an upper protective shell is sleeved outside the sensor body, the inner top surface of the upper protective shell is fixedly connected with the top surface of the sensor body, a lower protective shell is connected between the sensor body and the upper protective shell in a sliding way, and the bottom surface of the lower protective shell is provided with through holes corresponding to the contact pins; when the sensor transports, the protective housing slides downwards, until the first dop on the last protective housing and the second draw-in groove block that the protective housing outer wall was seted up down, when the protective housing slides down, the spout slides at the slide rail, can lead to the slip of lower protective housing, and simultaneously, the contact pin can protect the contact pin through the inside of the via hole relative slip to lower protective housing that the protective housing bottom surface was seted up down, and it prevents its collision damage when the transportation, also can prevent that it from causing the puncture to the personnel.

Description

Cable plug-in components formula voltage sensor

Technical Field

The utility model relates to an electrical component field specifically is a cable plug-in components formula voltage sensor.

Background

The voltage sensor is a device which converts measured electric parameters into direct current and direct voltage and outputs analog signals or digital signals in an isolated manner, the voltage sensor is used for measuring voltage or current signals with serious waveform distortion in a power grid, can also measure square waves, triangular waves and other non-sinusoidal waveforms, has an automatic protection function and higher intelligent control for automatically detecting and displaying current and having the dangerous conditions of overcurrent, overvoltage and the like, the power supply technology with sensing detection, sensing sampling and sensing protection is gradually trending, and the sensor for detecting current or voltage is favored by vast power supply designers in China.

Original device is when using, and its connection is all directly exposed in external environment, does not have any safeguard measure, and when transporting, the contact pin can receive the striking to damage, and user of service personnel when handheld, and the contact pin causes the injury to personnel's hand easily, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable plug-in components formula voltage sensor 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:

a cable plug-in type voltage sensor comprises a sensor body and a plurality of contact pins arranged on the bottom surface of the sensor body, wherein an upper protective shell is sleeved outside the sensor body, the inner top surface of the upper protective shell is fixedly connected with the top surface of the sensor body, a lower protective shell is slidably connected between the sensor body and the upper protective shell, the bottom surface of the lower protective shell is provided with through holes corresponding to the contact pins, two symmetrical side walls of the sensor body are fixedly connected with sliding rails which are symmetrically arranged in parallel, the inner walls of two symmetrical sides of the lower protective shell are respectively provided with sliding grooves corresponding to the sliding rails, the sliding grooves are slidably connected with the sliding rails, two symmetrically arranged second clamping heads are fixedly connected with two sides of the top end of the lower protective shell, the top surface of the upper protective shell is provided with first clamping grooves corresponding to the second clamping heads, and two symmetrically arranged first clamping heads are fixedly connected with two sides of the bottom end of the upper protective, and a second clamping groove corresponding to the first clamping head is formed in the outer wall of the lower protective shell.

As a further aspect of the present invention: the bottom surface of the lower protective shell is provided with a plurality of groups of sealing components corresponding to the via holes, and the number of the sealing components in each group is two and the sealing components are symmetrically arranged.

As a further aspect of the present invention: the sealing component comprises a sliding seat and a sealing plate sliding on the inner wall of the sliding seat, and the sealing plate is elastically and slidably connected with the sliding seat through elastic rubber.

As a further aspect of the present invention: the sealing plate is provided with a conical groove corresponding to the contact pin.

As a further aspect of the present invention: the upper protective shell and the lower protective shell are made of plastic materials.

As a further aspect of the present invention: the depth of the cavity of the lower protective shell is the same as the height of the sensor body.

As a further aspect of the present invention: the sliding groove is of a T-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the sensor transports, the protective housing slides downwards, until the first dop on the last protective housing and the second draw-in groove block that the protective housing outer wall was seted up down, when the protective housing slides down, the spout slides at the slide rail, can lead to the slip of lower protective housing, and simultaneously, the contact pin can protect the contact pin through the inside of the via hole relative slip to lower protective housing that the protective housing bottom surface was seted up down, and it prevents its collision damage when the transportation, also can prevent that it from causing the puncture to the personnel.

2. When the protective case roll-off protects under, the outside roll-off of the closing plate of symmetry contacts each other under elastic rubber's effect, seals the via hole, effectively slows down the oxidation rate of contact pin when placing, increases its life, and when the protective case upwards slided down, the bell jar on the closing plate contacts with the contact pin, and under the effect of external force, the closing plate removed to both sides, and the contact pin can pass through the via hole smoothly.

Drawings

FIG. 1 is a schematic diagram of a cable plug-in voltage sensor;

FIG. 2 is a schematic diagram of the internal structure of an upper protective shell in a cable plug-in voltage sensor;

FIG. 3 is a schematic view of a first chuck engaging in a cable plug-in voltage sensor;

FIG. 4 is a top view of a lower sheath of a cable plug-in voltage sensor;

FIG. 5 is a top view of a sensor body in a cable plug-in voltage sensor;

FIG. 6 is a schematic view of a sealing member in a cable plug-in voltage sensor;

fig. 7 is a schematic view of a sealing plate structure in a cable plug-in type voltage sensor.

In the figure: 1. a sensor body; 11. inserting a pin; 12. a slide rail; 2. an upper protective shell; 201. a first card slot; 21. a first chuck; 3. a lower protective shell; 301. a via hole; 302. a chute; 303. a second card slot; 31. a second chuck; 32. a sealing member; 321. a slide base; 322. a sealing plate; 3221. a tapered groove; 323. an elastic rubber.

Detailed Description

Referring to fig. 1 to 7, in an embodiment of the present invention, a cable plug-in type voltage sensor includes a sensor body 1 and a plurality of pins 11 mounted on a bottom surface thereof, an upper protective casing 2 is sleeved on an outer portion of the sensor body 1, an inner top surface of the upper protective casing 2 is fixedly connected to a top surface of the sensor body 1, a lower protective casing 3 is slidably connected between the sensor body 1 and the upper protective casing 2, a through hole 301 corresponding to the pin 11 is formed on a bottom surface of the lower protective casing 3, slide rails 12 are fixedly connected to two symmetrical side walls of the sensor body 1, slide grooves 302 corresponding to the slide rails 12 are formed on inner walls of the lower protective casing 3 on two symmetrical sides, the slide grooves 302 are slidably connected to the slide rails 12, two second chucks 31 are fixedly connected to two sides of a top end of the lower protective casing 3, a first engaging groove 201 corresponding to the second chucks 31 is formed on a top surface of the upper protective casing, the two sides of the bottom end of the upper protective shell 2 are fixedly connected with first clamping heads 21 which are symmetrically arranged, and the outer wall of the lower protective shell 3 is provided with a second clamping groove 303 corresponding to the first clamping heads 21.

In fig. 1: the outside cover of sensor body 1 is equipped with protective housing 2, goes up the inboard top surface of protective housing 2 and sensor body 1's top surface fixed connection, and sliding connection has lower protective housing 3 between sensor body 1 and the last protective housing 2, goes up protective housing 2 and can protect sensor body 1 with lower protective housing 3, prevents that it from receiving the striking and leading to damaging when the transportation.

In fig. 2, 3 and 4: an upper protective shell 2 is sleeved outside a sensor body 1, the top surface of the inner side of the upper protective shell 2 is fixedly connected with the top surface of the sensor body 1, a lower protective shell 3 is connected between the sensor body 1 and the upper protective shell 2 in a sliding manner, the upper protective shell 2 and the lower protective shell 3 are both made of plastic materials, the upper protective shell 2 and the lower protective shell 3 which are made of plastic materials can be effectively insulated to prevent the sensor body 1 from being influenced by electrification of the upper protective shell 2 and the lower protective shell 3, the depth of a containing cavity of the lower protective shell 3 is the same as the height of the sensor body 1, a through hole 301 corresponding to a contact pin 11 is formed in the bottom surface of the lower protective shell 3, sliding rails 12 which are symmetrically arranged in parallel are fixedly connected to two symmetrical side walls of the sensor body 1, sliding grooves 302 corresponding to the sliding rails 12 are formed in the inner walls of two symmetrical sides of the lower protective shell 3, the sliding grooves 302 are slidably connected with the sliding rails, the sliding groove 302 slides on the sliding rail 12 to guide the sliding of the lower protective shell 3, two symmetrically arranged second chucks 31 are fixedly connected to two sides of the top end of the lower protective shell 3, a first clamping groove 201 corresponding to the second chuck 31 is formed on the top surface of the upper protective shell 2, symmetrically arranged first chucks 21 are fixedly connected to two sides of the bottom end of the upper protective shell 2, a second clamping groove 303 corresponding to the first chuck 21 is formed on the outer wall of the lower protective shell 3, when the sensor is transported, the lower protective shell 3 slides downwards until the first chuck 21 on the upper protective shell 2 is clamped with the second clamping groove 303 formed on the outer wall of the lower protective shell 3, meanwhile, the contact pin 11 slides relatively to the inner part of the lower protective shell 3 through a through hole 301 formed on the bottom surface of the lower protective shell 3, the lower protective shell 3 can protect the contact pin 11 to prevent the contact pin from collision and damage during transportation and also prevent the contact pin from causing puncture to human beings, when the contact pin 11 needs to be used, lower protective housing 3 is pressed upwards to slide until second dop 31 on lower protective housing 3 top and last protective housing 2 go up the first draw-in groove 201 block of seting up, and at this moment, the appearance chamber bottom surface of lower protective housing 3 and the body face laminating of sensor body 1, simultaneously, contact pin 11 passes through the via hole 301 relative slip to the outside that lower protective housing 3 bottom surface was seted up, and sensor body 1 accessible contact pin 11 and power consumption circuit are connected, normal use.

In fig. 5: the two symmetrical side walls of the sensor body 1 are fixedly connected with sliding rails 12 which are symmetrically arranged in parallel, and when the lower protective shell 3 slides, the sliding grooves 302 slide on the sliding rails 12 to guide the sliding of the lower protective shell 3.

In fig. 6 and 7: the bottom surface of the lower protective shell 3 is provided with a plurality of groups of sealing components 32 corresponding to the through holes 301, each group of sealing components 32 is two and is symmetrically arranged, each sealing component 32 comprises a sliding seat 321 and a sealing plate 322 sliding on the inner wall of the sliding seat, the sealing plates 322 are elastically and slidably connected with the sliding seats 321 through elastic rubber 323, tapered grooves 3221 corresponding to the contact pins 11 are formed in the sealing plates 322, when the lower protective shell 3 slides out for protection, the symmetrical sealing plates 322 slide out and contact with each other under the action of the elastic rubber 323 to seal the through holes 301, the oxidation rate of the contact pins 11 when being placed is effectively slowed down, the service life of the contact pins is prolonged, when the lower protective shell 3 slides upwards, the tapered grooves 3221 in the sealing plates 322 contact with the contact pins 11, under the action of external force, the sealing plates 322 move towards two sides, and the contact pins 11 can smoothly.

The utility model discloses a theory of operation is: when the sensor is transported, the lower protective shell 3 slides downwards until the first clamping head 21 on the upper protective shell 2 is clamped with the second clamping groove 303 arranged on the outer wall of the lower protective shell 3, when the lower protective shell 3 slides, the sliding groove 302 slides on the sliding rail 12 to guide the sliding of the lower protective shell 3, meanwhile, the pin 11 slides relatively to the inner part of the lower protective shell 3 through the through hole 301 arranged on the bottom surface of the lower protective shell 3, the lower protective shell 3 can protect the pin 11 to prevent the pin from being damaged by collision during transportation and also prevent the pin from causing puncture to personnel, when the sensor is needed, the lower protective shell 3 is pressed upwards to slide until the second clamping head 31 on the top end of the lower protective shell 3 is clamped with the first clamping groove 201 arranged on the upper protective shell 2, at the moment, the bottom surface of the cavity of the lower protective shell 3 is attached to the body surface of the sensor body 1, and simultaneously, the pin 11 slides relatively to the outer part through the through hole 301 arranged on the bottom surface of the lower protective shell 3, sensor body 1 accessible contact pin 11 and power consumption circuit connection, normal use, and when the protective case 3 roll-off was protected down, the outside roll-off of symmetric closing plate 322 under the effect of elastic rubber 323 contacted each other, seal via hole 301, effectively slow down the oxidation rate of contact pin 11 when placing, increase its life, when the protective case 3 upwards slides down, the bell jar 3221 and the contact of contact pin 11 on the closing plate 322, under the effect of external force, closing plate 322 removes to both sides, contact pin 11 can pass through via hole 301 smoothly.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cable plug-in type voltage sensor comprises a sensor body (1) and a plurality of contact pins (11) arranged on the bottom surface of the sensor body, and is characterized in that an upper protective shell (2) is sleeved on the outer portion of the sensor body (1), the inner side top surface of the upper protective shell (2) is fixedly connected with the top surface of the sensor body (1), a lower protective shell (3) is connected between the sensor body (1) and the upper protective shell (2) in a sliding manner, through holes (301) corresponding to the contact pins (11) are formed in the bottom surface of the lower protective shell (3), sliding rails (12) which are symmetrically arranged in parallel are fixedly connected with two symmetrical side walls of the sensor body (1), sliding grooves (302) corresponding to the sliding rails (12) are formed in the inner walls of two symmetrical sides of the lower protective shell (3), and the sliding grooves (302) are connected with the sliding rails (12), the utility model discloses a protective housing, including lower protective housing (3), the top both sides fixedly connected with of upper shield (2) have two symmetrical arrangement's second dop (31), the top surface of going up protective housing (2) seted up with first draw-in groove (201) that second dop (31) are corresponding, the bottom both sides fixedly connected with symmetrical arrangement's of going up protective housing (2) first dop (21), the outer wall of lower protective housing (3) seted up with second draw-in groove (303) that first dop (21) are corresponding.

2. A cable card type voltage sensor according to claim 1, wherein the bottom surface of the lower casing (3) is provided with a plurality of groups of sealing members (32) corresponding to the through holes (301), and the number of the sealing members (32) in each group is two and the sealing members are arranged symmetrically.

3. A cable card type voltage sensor according to claim 2, wherein said sealing member (32) comprises a sliding base (321) and a sealing plate (322) sliding on an inner wall thereof, said sealing plate (322) and said sliding base (321) being elastically slidably connected by an elastic rubber (323).

4. The cable plug-in voltage sensor according to claim 3, wherein the sealing plate (322) is provided with a tapered groove (3221) corresponding to the contact pin (11).

5. A cable plug-in voltage sensor according to claim 1, characterized in that the upper casing (2) and the lower casing (3) are both made of plastic.

6. A cable plug-in voltage sensor according to claim 1, characterized in that the depth of the cavity of the lower casing (3) is the same as the height of the sensor body (1).

7. A cable card voltage sensor according to claim 1, wherein the chute (302) is of "T" configuration.