CN210604749U

CN210604749U - Alternating voltage isolation transmitter

Info

Publication number: CN210604749U
Application number: CN201921282494.1U
Authority: CN
Inventors: 黄炳俩
Original assignee: Shenzhen Shangliang Sensor Co Ltd
Current assignee: Shenzhen Shangliang Sensor Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-22
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to the technical field of transmitters, in particular to an alternating voltage isolation transmitter, which comprises a device shell, wherein a cavity communicated with the outside is arranged in the device shell, two first clamping grooves which are symmetrical to each other are respectively arranged on the front side wall and the rear side wall of the cavity, second clamping grooves are respectively arranged on the left side wall and the right side wall of the cavity close to the top position of the cavity, and a rectangular hole communicated with the outside is arranged on the top wall of the cavity; the bottom of device shell is equipped with the bottom plate, has the changer mounting panel through a plurality of fastening screw fixed mounting on the bottom plate, just is equipped with the changer to the position of shrinkage pool on the changer mounting panel. The utility model discloses easy to assemble, also convenient to detach simultaneously is convenient for overhaul the processing to the changer after dismantling, offers convenience for the user.

Description

Alternating voltage isolation transmitter

Technical Field

The utility model relates to a changer technical field specifically is an alternating voltage keeps apart changer.

Background

The voltage isolation transmitter is a device which converts the measured alternating current voltage, direct current voltage and pulse voltage into the direct current voltage or direct current which is output according to the linear proportion and isolates and outputs an analog signal or a digital signal, but the current common voltage isolation transmitter is inconvenient to install and disassemble when in use and is inconvenient to overhaul when in damage, and inconvenience is brought to users. In view of this, we propose an ac voltage isolation transmitter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alternating voltage keeps apart changer to the present voltage isolation changer commonly used who proposes in solving above-mentioned background is not convenient for install when using, and is not convenient for dismantle, is not convenient for overhaul when damaging, and then brings more inconvenient problem for the user.

In order to achieve the above object, the utility model provides a following technical scheme:

an alternating current voltage isolation transmitter comprises a device shell, wherein a cavity communicated with the outside is arranged in the device shell, two first clamping grooves which are symmetrical to each other are respectively arranged on the front side wall and the rear side wall of the cavity, a second clamping groove is respectively arranged on the left side wall and the right side wall of the cavity, which are close to the top of the cavity, rectangular holes communicated with the outside are formed in the top wall of the cavity, and two groups of concave holes which are symmetrical to each other and communicated with the outside are also formed in the top wall of the cavity; the bottom of the device shell is provided with a bottom plate, a transmitter mounting plate is fixedly mounted on the bottom plate through a plurality of fastening screws, a transmitter is arranged on the transmitter mounting plate at a position opposite to the concave hole, and the transmitter is inserted into the concave hole; the bottom surface of the bottom plate is provided with a sliding groove communicated with the outside, the top wall of the sliding groove is provided with a clamping hole communicated with the outside, the sliding groove is internally provided with a lock catch, the lock catch is in sliding connection with the sliding groove, and a convex column on the lock catch is inserted into the clamping hole.

Preferably, a plurality of jacks which are linearly arranged at equal intervals are further arranged in the top surface of the device shell.

Preferably, a top cover is arranged in the rectangular hole, a first buckle is arranged at a position on the top cover, which is right opposite to the second clamping groove, and the first buckle is in clamping fit with the second clamping groove.

Preferably, the bottom surface of top cap still is equipped with two second buckles that are symmetrical each other, the second buckle card is in the cavity is located the roof of rectangular hole rear side.

Preferably, the bottom surface of the top cover is provided with an inserting column at a position facing the jack, and the inserting column is matched with the jack in an inserting manner.

Preferably, a third clamping block is arranged on the bottom plate opposite to the first clamping groove, and the third clamping block is in clamping fit with the first clamping groove corresponding to the third clamping block.

Preferably, the wall of the cavity is further provided with an insulating flame-retardant layer.

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

1. the utility model discloses a be the joint cooperation between the bottom plate and the top cap that set up and the device shell, the convenience is dismantled bottom plate and top cap, be convenient for overhaul when damaging, in addition through the bottom plate that sets up, convenient to use fastening screw fixes the device shell, it is more convenient when the installation to make it, the installation of being not convenient for when using of the voltage isolation changer commonly used at present has been solved, and be not convenient for dismantle, be not convenient for overhaul when damaging, and then bring more inconvenient problem for the user.

2. The utility model discloses an insulating fire-retardant layer that sets up makes the device shell have better fire-retardant insulating effect, is difficult for appearing the condition of electric leakage when using, has solved the relatively poor problem of insulating fire-retardant effect of general voltage isolation changer.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is an exploded view of embodiment 1 of the present invention;

FIG. 3 is a schematic structural diagram of the housing of the device of the present invention;

fig. 4 is a bottom view of the top cover of the present invention;

FIG. 5 is a schematic view of a partial structure of the bottom plate of the present invention;

fig. 6 is a schematic structural view of the lock of the present invention;

fig. 7 is a schematic structural view of embodiment 2 of the present invention.

In the figure: 1. a device housing; 10. a cavity; 101. a first card slot; 11. a second card slot; 12. a rectangular hole; 13. concave holes; 14. a jack; 15. a top cover; 151. a first buckle; 152. a second buckle; 153. inserting a column; 16. a transmitter mounting plate; 161. a transmitter; 17. a base plate; 171. a chute; 172. a clamping hole; 173. a third fixture block; 18. locking; 181. a convex column; 2. an insulating flame retardant layer.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

An alternating voltage isolation transmitter is shown in fig. 1 to 6 and comprises a device shell 1, wherein a cavity 10 communicated with the outside is arranged in the device shell 1, two first clamping grooves 101 which are symmetrical to each other are respectively arranged on the front side wall and the rear side wall of the cavity 10, a second clamping groove 11 is respectively arranged on the left side wall and the right side wall of the cavity 10 close to the top of the cavity, a rectangular hole 12 communicated with the outside is arranged on the top wall of the cavity 10, and two groups of concave holes 13 which are symmetrical to each other and communicated with the outside are also arranged on the top wall of the cavity 10; the bottom of the device shell 1 is provided with a bottom plate 17, a transmitter mounting plate 16 is fixedly mounted on the bottom plate 17 through a plurality of fastening screws, a plurality of threaded holes communicated with the outside are formed in the transmitter mounting plate 16, threaded holes communicated with the outside are also formed in the bottom plate 17 at positions opposite to the threaded holes in the transmitter mounting plate 16, and then the transmitter mounting plate 16 is fixedly mounted on the bottom plate 17 through the fastening screws;

a transmitter 161 is tightly adhered to the position, opposite to the concave hole 13, on the transmitter mounting plate 16, and the transmitter 161 is inserted into the concave hole 13, so that a lead can be conveniently arranged at the position of an orifice of the concave hole 13;

the bottom surface of bottom plate 17 is equipped with the spout 171 that is linked together with the external world, is equipped with the card hole 172 that is linked together with the external world on the roof of spout 171, is equipped with hasp 18 in the spout 171, sliding connection between hasp 18 and the spout 171, and projection 181 on the hasp 18 inserts to in the card hole 172 and closely bonds between the pore wall of card hole 172, makes the condition that can not appear alternate segregation between hasp 18 and the bottom plate 17.

In this embodiment, be equipped with top cap 15 in the rectangular hole 12, just be equipped with first buckle 151 to the position of second draw-in groove 11 on the top cap 15, the joint cooperation between first buckle 151 and the second draw-in groove 11, the bottom surface of top cap 15 still is equipped with two second buckles 152 of mutual symmetry, second buckle 152 card is on cavity 10 is located the roof of rectangular hole 12 rear side, first buckle 151 and second buckle 152 all are the L shape, when installing second buckle 152, guarantee that the horizontal segment bulge of second buckle 152 colludes on cavity 10 is located the roof of rectangular hole 12 rear side can, when installing first buckle 151, because second draw-in groove 11 is the rectangular channel, guarantee that the installation to top cap 15 can be accomplished in the horizontal segment bulge of first buckle 151 inserts second draw-in groove 11, and convenient for operation, and convenient for disassembly.

Specifically, still be equipped with the jack 14 that a plurality of is linear equidistant range in the top surface of device shell 1, the bottom surface of top cap 15 just is equipped with the plug column 153 to the position of jack 14, and the cooperation of pegging graft between plug column 153 and the jack 14 realizes fixing a position the direction to the installation of top cap 15, guarantees that top cap 15 can correctly install, avoids top cap 15's mounted position mistake to appear.

Furthermore, a third clamping block 173 is arranged on the bottom plate 17 at a position opposite to the first clamping groove 101, the third clamping block 173 is in clamping fit with the corresponding first clamping groove 101, the cross section of the third clamping block 173 is in a right trapezoid shape, the first clamping groove 101 is a rectangular groove, the third clamping block 173 is made of an insulating rubber material, the insulating rubber material has certain elasticity, and the third clamping block 173 can be extruded to deform to a certain extent and then can be smoothly inserted into the first clamping groove 101.

In addition, transmitter 161 can be KF129B-5.0/5.08 series transmitter manufactured by Shenzhen Hongliada micro technology Limited, and its matching circuit and power supply are also provided by the manufacturer; furthermore, the utility model discloses in relate to circuit and electronic components and module be prior art, the technical staff in the field can realize completely, no longer gives unnecessary details here, the utility model discloses the content of protection also does not relate to the improvement to software and method.

It is worth to say that a plurality of through holes communicated with the outside are arranged in the device shell 1, so that external fastening screws can conveniently penetrate through the through holes in the device shell 1, and then the device shell 1 is fixed at a certain specific position, so that the device is more convenient to install.

In this embodiment, through the cooperation of joint between bottom plate 17 and top cap 15 and the device shell 1 that sets up, be convenient for dismantle bottom plate 17 and top cap 15, overhaul the processing to changer 161, in addition because be equipped with the through-hole that a plurality of and external world are linked together on the device shell 1, the external fastening screw of convenient to use is fixed device shell 1, it is more convenient to make the device when the installation, it is not convenient for install when using to have solved the present voltage isolation changer commonly used, and not convenient for dismantle, be not convenient for overhaul when damaging, and then bring more inconvenient problem for the user.

Example 2

In specific operation, in order to improve the insulating flame retardant property of the device housing 1, therefore, the device housing 1 is improved on the basis of the embodiment 1, as a preferred embodiment, as shown in fig. 7, an insulating flame retardant layer 2 is further arranged on the cavity wall of the cavity 10, and the insulating flame retardant layer 2 and the device housing 1 are of an integrally formed structure, so that the result is more firm and stable; insulating fire-retardant layer 2 adopts the PET material to make, and the PET material has better insulating fire-retardant characteristics, can avoid the condition of electric leakage to take place, has solved the relatively poor problem of insulating fire-retardant effect of general voltage isolation changer.

When the alternating voltage isolation transmitter is used, the device shell 1 can be fixedly installed at a specific position by using an external fastening screw according to needs, so that the installation is convenient, and convenience is brought to a user; when overhauing and handling, extrude third fixture 173 towards the direction of bottom plate 17, make third fixture 173 break away from first card slot 101, at this moment, third fixture 173 no longer blocks in first card slot 101, again with bottom plate 17, changer mounting panel 16 and changer 161 take out overhaul can, the installation of being not convenient for when using of voltage isolation changer commonly used at present has been solved, and the dismantlement of being not convenient for, the maintenance of being not convenient for when damaging, and then bring more inconvenient problem for the user.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An alternating voltage isolation transmitter comprising a device housing (1), characterized in that: a cavity (10) communicated with the outside is arranged in the device shell (1), two first clamping grooves (101) which are symmetrical to each other are respectively formed in the front side wall and the rear side wall of the cavity (10), second clamping grooves (11) are respectively formed in the left side wall and the right side wall of the cavity (10) close to the top of the cavity, rectangular holes (12) communicated with the outside are formed in the top wall of the cavity (10), and two groups of concave holes (13) which are symmetrical to each other and communicated with the outside are also formed in the top wall of the cavity (10); a bottom plate (17) is arranged at the bottom of the device shell (1), a transmitter mounting plate (16) is fixedly mounted on the bottom plate (17) through a plurality of fastening screws, a transmitter (161) is arranged on the transmitter mounting plate (16) at a position right opposite to the concave hole (13), and the transmitter (161) is inserted into the concave hole (13); the bottom surface of bottom plate (17) is equipped with spout (171) that are linked together with the external world, be equipped with card hole (172) that are linked together with the external world on the roof of spout (171), be equipped with hasp (18) in spout (171), hasp (18) with sliding connection between spout (171), projection (181) on hasp (18) insert to in calorie hole (172).

2. The ac voltage isolation transmitter of claim 1, wherein: the top surface of the device shell (1) is also internally provided with a plurality of jacks (14) which are arranged at equal intervals linearly.

3. The ac voltage isolation transmitter of claim 2, wherein: be equipped with top cap (15) in rectangular hole (12), just right on top cap (15) the position of second draw-in groove (11) is equipped with first buckle (151), first buckle (151) with the joint cooperation between second draw-in groove (11).

4. The ac voltage isolation transmitter of claim 3, wherein: the bottom surface of the top cover (15) is further provided with two second buckles (152) which are symmetrical to each other, and the second buckles (152) are clamped on the top wall of the cavity (10) on the rear side of the rectangular hole (12).

5. The ac voltage isolation transmitter of claim 3, wherein: the bottom surface of top cap (15) is just to the position of jack (14) is equipped with and inserts post (153), insert post (153) with the cooperation of pegging graft between jack (14).

6. The ac voltage isolation transmitter of claim 1, wherein: and a third clamping block (173) is arranged at the position, facing the first clamping groove (101), on the bottom plate (17), and the third clamping block (173) is in clamping fit with the first clamping groove (101) corresponding to the third clamping block.

7. The ac voltage isolation transmitter of claim 1, wherein: and an insulating flame-retardant layer (2) is also arranged on the wall of the cavity (10).