CN210954140U

CN210954140U - Direct-current voltage isolation transmitter

Info

Publication number: CN210954140U
Application number: CN201921282473.XU
Authority: CN
Inventors: 黄炳俩
Original assignee: Shenzhen Shangliang Sensor Co ltd
Current assignee: Shenzhen Shangliang Sensor Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-07-07
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of transmitters, in particular to a direct-current voltage isolation transmitter, which comprises a shell, wherein a cavity communicated with the outside is arranged in the shell, and a first clamping groove is respectively arranged on the left side cavity wall and the right side cavity wall of the cavity close to the top position of the cavity; a base is arranged at the bottom of the shell, and a first buckle is arranged at the position, opposite to the second clamping groove, on the base; a transmitter mounting plate is fixedly mounted on the base through a plurality of fastening screws, and a transmitter is arranged on the transmitter mounting plate at a position opposite to a transmitter through hole; the top of shell is equipped with the protection box, still is equipped with sealed lid on the protection box. The utility model discloses easy to assemble, also convenient to detach overhauls the processing, still has better radiating effect simultaneously, is favorable to prolonging its life.

Description

Direct-current voltage isolation transmitter

Technical Field

The utility model relates to a changer technical field specifically is a direct current voltage keeps apart changer.

Background

The direct current voltage isolation transmitter is a device which converts voltage into direct current voltage or direct current which is output according to a linear proportion and isolates and outputs an analog signal or a digital signal, and a common direct current voltage isolation transmitter has the defect of inconvenient disassembly and maintenance when in use and is easy to bring inconvenience to users. In view of this, we propose a dc voltage isolation transmitter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current voltage keeps apart changer to solve the general direct current voltage who proposes in the above-mentioned background art and keep apart the changer when using, there is the shortcoming of not being convenient for dismantle the maintenance, and then can bring inconvenient problem for the user.

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

a direct-current voltage isolation transmitter comprises a shell, wherein a cavity communicated with the outside is arranged in the shell, first clamping grooves are formed in the left side cavity wall and the right side cavity wall of the cavity close to the top of the cavity, two groups of transmitter penetrating holes which are bilaterally symmetrical and communicated with the outside are also formed in the top wall of the cavity, two second clamping grooves which are mutually symmetrical and communicated with the outside are formed in the front side cavity wall and the rear side cavity wall of the cavity, and a plurality of first inserting holes which are linearly arranged at equal intervals and communicated with the outside are also formed in the top surface of the shell; a base is arranged at the bottom of the shell, a first buckle is arranged at a position, opposite to the second clamping groove, on the base, and the first buckle is in clamping fit with the second clamping groove; a transmitter mounting plate is fixedly mounted on the base through a plurality of fastening screws, a transmitter is arranged on the transmitter mounting plate at a position opposite to the transmitter through hole, and the transmitter is inserted into the transmitter through hole corresponding to the transmitter through hole; the top of shell is equipped with the protection box, be equipped with the recess that is linked together with the external world in the protection box, be equipped with a plurality of on the cell wall of recess along the lug that protection box width direction set up, be equipped with the through-hole that is linked together with the external world in the lug, just right on the protection box the position of first draw-in groove is equipped with the second buckle, the second buckle with the joint cooperation between the first draw-in groove, still be equipped with sealed lid on the protection box, sealed covering is just right the position of through-hole is equipped with first post of inserting, first post of inserting with the cooperation of pegging graft between the through-hole, sealed covering is just right the position of first jack is equipped with the second and inserts the post, the second insert the post with the cooperation of pegging graft between the first jack.

Preferably, a rectangular groove communicated with the outside is further formed in the bottom surface of the base, and sliding grooves communicated with the outside are formed in the groove walls of the left side and the right side of the rectangular groove.

Preferably, the top wall of the rectangular groove is further provided with a second insertion hole communicated with the outside.

Preferably, a lock catch is arranged in the rectangular groove, a sliding block is arranged on the lock catch opposite to the sliding groove, and the sliding block is located in the sliding groove and is in sliding connection with the sliding groove.

Preferably, a positioning bolt is further arranged on the lock catch, and the positioning bolt is inserted into the second jack and tightly bonded with the wall of the second jack.

Preferably, the top surface of the protection box is further provided with a plurality of radiating fins which are linearly arranged at equal intervals.

Preferably, all be equipped with the heat dissipation copper sheet on the left and right sides face of protection box, be equipped with a plurality of in the heat dissipation copper sheet and be linear equidistant range and with the external first radiating groove that is linked together, be equipped with the second radiating groove on the cell wall of first radiating groove, first radiating groove with the contained angle between the second radiating groove is 60 degrees.

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

1. the utility model discloses a joint cooperation between the shell that sets up and the base, easy to assemble, also convenient to detach simultaneously, through the protection box that sets up, realize protecting the changer in inside, avoid the changer to damage, can dismantle between the protection box that sets up and the shell in addition and be connected, also convenient dismantles the protection box, overhauls the changer, has solved general direct current voltage and has kept apart the changer when using, has the shortcoming of not convenient to detach and overhaul, and then can bring inconvenient problem for the user.

2. The utility model discloses a heat radiation fins and the heat dissipation copper sheet that set up, improve the radiating effect of protection box, further guarantee during the inside heat of shell can in time transmit the outside air, and through the first radiating groove and the second radiating groove that set up, it is better to guarantee the radiating effect of heat dissipation copper sheet, and the condition that water falls into first radiating groove and second radiating groove can not appear, solved general direct current voltage and kept apart the changer when using, its radiating effect is relatively poor, influence changer life's problem easily.

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 protection box of the present invention;

fig. 4 is a schematic structural view of the housing of the present invention;

fig. 5 is a schematic structural view of the sealing cover, the first insertion column and the second insertion column of the present invention;

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

fig. 7 is a schematic structural view of the lock of the present invention;

fig. 8 is a schematic structural view of embodiment 2 of the present invention;

fig. 9 is a sectional view of the heat dissipating copper sheet of the present invention;

fig. 10 is an enlarged view of a portion a in fig. 9 according to the present invention.

In the figure: 1. a housing; 10. a cavity; 101. a first card slot; 102. the transducer penetrates through the hole; 103. a second card slot; 104. a first jack; 11. a base; 111. a first buckle; 112. a rectangular groove; 113. a chute; 114. a second jack; 12. a transmitter mounting plate; 121. a transmitter; 13. a protection box; 131. a groove; 132. a bump; 133. a through hole; 134. a second buckle; 14. a sealing cover; 141. a first insert post; 142. a second insert post; 15. locking; 151. a slider; 152. positioning a bolt; 2. heat dissipation fins; 3. a heat dissipation copper sheet; 30. a first heat sink; 31. a second heat sink.

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" and "first" 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A direct current voltage isolation transmitter is shown in figures 1 to 7 and comprises a shell 1, wherein a cavity 10 communicated with the outside is arranged in the shell 1, first clamping grooves 101 are respectively arranged on the left side cavity wall and the right side cavity wall of the cavity 10 close to the top of the cavity, two groups of transmitter penetrating holes 102 which are bilaterally symmetrical and communicated with the outside are also arranged on the top wall of the cavity 10, two second clamping grooves 103 which are mutually symmetrical and communicated with the outside are respectively arranged on the front side cavity wall and the rear side cavity wall of the cavity 10, and a plurality of first inserting holes 104 which are linearly arranged at equal intervals and communicated with the outside are also arranged in the top surface of the shell 1; a base 11 is arranged at the bottom of the shell 1, a first buckle 111 is arranged on the base 11 at a position opposite to the second clamping groove 103, and the first buckle 111 and the base 11 are of an integrally formed structure, so that the structure is firmer and more stable;

the first buckle 111 and the second buckle groove 103 are in clamping fit, the cross section of the first buckle 111 is in a right trapezoid shape, the second buckle groove 103 is in a rectangular groove shape, the first buckle 111 is made of rubber materials, certain elasticity is guaranteed, the first buckle 111 can be extruded to deform to a certain degree when needed, and then the first buckle 111 is clamped into the second buckle groove 103;

a transmitter mounting plate 12 is fixedly mounted on the base 11 through a plurality of fastening screws, a plurality of threaded holes communicated with the outside are formed in the transmitter mounting plate 12, threaded holes communicated with the outside are also formed in the base 11 at positions opposite to the threaded holes in the transmitter mounting plate 12, and then the transmitter mounting plate 12 is fixedly mounted on the base 11 through the fastening screws, so that the mounting is convenient and the dismounting is convenient;

a transmitter 121 is tightly adhered to the position, opposite to the transmitter exit hole 102, of the transmitter mounting plate 12, and the transmitter 121 is inserted into the transmitter exit hole 102 corresponding to the transmitter 121, so that a lead is conveniently arranged above the transmitter exit hole 102;

the top of the shell 1 is provided with a protection box 13, a groove 131 communicated with the outside is arranged in the protection box 13, the groove 131 is communicated with the cavity 10, a plurality of bumps 132 arranged along the width direction of the protection box 13 are arranged on the groove wall of the groove 131, a through hole 133 communicated with the outside is arranged in the bump 132, a second buckle 134 is arranged on the protection box 13 at a position right opposite to the first clamping groove 101, the second buckle 134 is in clamping fit with the first clamping groove 101, the cross section of the second buckle 134 is in a right trapezoid shape, the first clamping groove 101 is a rectangular groove, the second buckle 134 is made of rubber materials, certain deformation of the second buckle 134 when external force is applied is ensured, and after the external force is removed, the second buckle 134 can recover to ensure that the second buckle 134 can be clamped into the first clamping groove 101;

the protection box 13 is further provided with a sealing cover 14, a first inserting column 141 is arranged on the sealing cover 14 opposite to the through hole 133, the first inserting column 141 is in inserting fit with the through hole 133, a second inserting column 142 is arranged on the sealing cover 14 opposite to the first inserting hole 104, and the second inserting column 142 is in inserting fit with the first inserting hole 104.

In this embodiment, the first inserting column 141 and the through hole 133 are in interference fit, and the second inserting column 142 and the first inserting hole 104 are also in interference fit, so that the sealing cover 14 is not easy to fall off from the protection box 13, and the structure is more firm and stable.

Specifically, a rectangular groove 112 communicated with the outside is further arranged in the bottom surface of the base 11, sliding grooves 113 communicated with the outside are respectively arranged on the left side wall and the right side wall of the rectangular groove 112, a second insertion hole 114 communicated with the outside is further arranged on the top wall of the rectangular groove 112, a lock catch 15 is arranged in the rectangular groove 112, a sliding block 151 is arranged on the lock catch 15 at a position right opposite to the sliding groove 113, the sliding block 151 is positioned in the sliding groove 113 and is in sliding connection with the sliding groove 113, a positioning bolt 152 is further arranged on the lock catch 15, the positioning bolt 152 is inserted into the second insertion hole 114 and is tightly bonded with the hole wall of the second insertion hole 114, the lock catch 15, the positioning bolt 152 and the sliding block 151 are of an integrally formed structure, so, and through the hasp 15 that sets up, can utilize hasp 15 to lead and fix a position when installing the device main part on external guide rail, guarantee that the device main part can be installed on external guide rail correctly.

Further, the transmitter 161 can be KF129B 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.

In addition, a plurality of through holes communicated with the outside are formed in the base 11, so that external fastening screws can conveniently penetrate through the through holes in the base 11, and then the base 11 is fixed at a certain specific position, so that the base 11 is fixed.

In this embodiment, through the cooperation of joint between base 11 and the shell 1 that sets up, and also for dismantling to be connected between protection box 13 and the shell 1, be convenient for when needs, dismantle base 11 and protection box 13, overhaul processing to changer 121, solved general direct current voltage and kept apart the changer when using, there is the shortcoming of being not convenient for dismantle the maintenance, and then can bring inconvenient problem for the user.

Example 2

In the concrete operation, in order to improve the heat dissipation effect of the protection box 13 and prolong the service life of the device, therefore, the protection box 13 is improved on the basis of the embodiment 1, as a preferred embodiment, as shown in fig. 8 to 10, a plurality of linear heat dissipation fins 2 arranged at equal intervals are further closely adhered to the top surface of the protection box 13, and the contact area between the top surface of the protection box 13 and the air is increased through the arranged heat dissipation fins 2, so that the heat on the protection box 13 can be timely transmitted to the outside air, and the heat dissipation effect is improved;

the left side surface and the right side surface of the protection box 13 are respectively provided with the radiating copper sheets 3, and the radiating copper sheets 3 and the protection box 13 are of an integrally formed structure, so that the structure is firmer and more stable; be equipped with a plurality of in the copper sheet that dispels heat 3 and be linear equidistant range and the first radiating groove 30 that is linked together with the external world, be equipped with second radiating groove 31 on the cell wall of first radiating groove 30, the contained angle between first radiating groove 30 and the second radiating groove 31 is 60 degrees, and first radiating groove 30 and second radiating groove 31 all are the downward sloping form setting, make the heat in the protection box 13 can enter into in first radiating groove 30 and the second radiating groove 31 and outwards transmit through copper sheet 3 that dispels the heat, and the radiating effect is improved, and second radiating groove 31 is not linked together with the external world, avoid the water droplet to cause changer 121 to damage in first radiating groove 30 and the second radiating groove 31.

In this embodiment, the heat dissipation effect of the protection box 13 is improved by the arranged heat dissipation fins 2 and the heat dissipation copper sheets 3, so that the transmitter 121 in the housing 1 is not damaged due to an excessively high temperature, and the problem that the heat dissipation effect of a general direct-current voltage isolation transmitter is poor and the service life of the transmitter is easily affected when the transmitter is used is solved.

When the direct-current voltage isolation transmitter is used, the base 11 can be fixed at a certain specific position by using the fastening screw, and when wiring is performed, a corresponding wire can be inserted into the transmitter 121 from the upper part of the transmitter through hole 102; when dismantling and overhauling, extrude two first buckles 111 just right each other towards the intermediate position, make first buckle 111 break away from in the second draw-in groove 103, take off base 11 again, realize taking out changer mounting panel 12 from shell 1 in, overhaul changer 121 again can, solved general direct current voltage isolation changer when using, there is the shortcoming of being not convenient for dismantle and overhaul, and then can bring 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. A direct current voltage isolation transmitter, includes shell (1), its characterized in that: a cavity (10) communicated with the outside is arranged in the shell (1), first clamping grooves (101) are formed in the left side cavity wall and the right side cavity wall of the cavity (10) close to the top of the cavity, two groups of transmitter penetrating holes (102) which are symmetrical left and right and communicated with the outside are further formed in the top wall of the cavity (10), two second clamping grooves (103) which are symmetrical to each other and communicated with the outside are formed in the front side cavity wall and the rear side cavity wall of the cavity (10), and a plurality of first inserting holes (104) which are linearly arranged at equal intervals and communicated with the outside are further formed in the top surface of the shell (1); a base (11) is arranged at the bottom of the shell (1), a first buckle (111) is arranged on the base (11) at a position opposite to the second clamping groove (103), and the first buckle (111) is in clamping fit with the second clamping groove (103); a transmitter mounting plate (12) is fixedly mounted on the base (11) through a plurality of fastening screws, a transmitter (121) is arranged on the transmitter mounting plate (12) at a position right opposite to the transmitter penetrating hole (102), and the transmitter (121) is inserted into the transmitter penetrating hole (102) corresponding to the transmitter (121); the top of the shell (1) is provided with a protection box (13), a groove (131) communicated with the outside is arranged in the protection box (13), a plurality of convex blocks (132) arranged along the width direction of the protection box (13) are arranged on the groove wall of the groove (131), a through hole (133) communicated with the outside is arranged in each convex block (132), a second buckle (134) is arranged at the position, just opposite to the first clamping groove (101), on the protection box (13), the second buckle (134) is in clamping fit with the first clamping groove (101), a sealing cover (14) is further arranged on the protection box (13), a first inserting column (141) is arranged at the position, just opposite to the through hole (133), on the sealing cover (14), the first inserting column (141) is in inserting fit with the through hole (133), a second inserting column (142) is arranged at the position, just opposite to the first inserting hole (104), on the sealing cover (14), the second plug column (142) is in plug fit with the first plug hole (104).

2. The direct current voltage isolation transmitter of claim 1, wherein: the bottom surface of the base (11) is also internally provided with a rectangular groove (112) communicated with the outside, and the groove walls of the left side and the right side of the rectangular groove (112) are respectively provided with a sliding groove (113) communicated with the outside.

3. The direct current voltage isolation transmitter of claim 2, wherein: and a second jack (114) communicated with the outside is also arranged on the top wall of the rectangular groove (112).

4. The direct current voltage isolation transmitter of claim 3, wherein: the improved structure is characterized in that a lock catch (15) is arranged in the rectangular groove (112), a sliding block (151) is arranged at a position, right opposite to the sliding groove (113), on the lock catch (15), and the sliding block (151) is located in the sliding groove (113) and is in sliding connection with the sliding groove (113).

5. The direct current voltage isolation transmitter of claim 4, wherein: and a positioning bolt (152) is further arranged on the lock catch (15), and the positioning bolt (152) is inserted into the second insertion hole (114) and is tightly adhered to the hole wall of the second insertion hole (114).

6. The direct current voltage isolation transmitter of claim 1, wherein: the top surface of the protection box (13) is also provided with a plurality of radiating fins (2) which are linearly arranged at equal intervals.

7. The direct current voltage isolation transmitter of claim 1, wherein: all be equipped with heat dissipation copper sheet (3) on the left and right sides face of protection box (13), be equipped with first radiating groove (30) that a plurality of is linear equidistant range and is linked together with the external world in heat dissipation copper sheet (3), be equipped with second radiating groove (31) on the cell wall of first radiating groove (30), first radiating groove (30) with contained angle between second radiating groove (31) is 60 degrees.