CN217112479U - Lightning-protection ultra-high voltage isolation transmitter array signal transmission device - Google Patents

Abstract

The utility model belongs to the technical field of isolation transmitter equipment, in particular to a lightning protection ultra-high voltage isolation transmitter array signal transmission device, which comprises a transmitter body, a connection terminal is arranged on the top of the transmitter body, and the The inner surface is provided with steel mesh, the inside of the transmitter body is provided with a printed board, the bottom of the transmitter body is provided with a base, the bottom of the base is provided with a conductive block, the inner surface of the base is provided with a connection block, and the base is close to the connection block One end is provided with a chute, the inside of the chute is provided with a slider, the bottom of the slider is provided with a spring, the side of the connecting block away from the chute is provided with a slot, the inside of the slot is provided with a guide rail, and the top of the guide rail is provided with There are jacks, and the bottom of the guide rail is provided with a ground wire. The utility model can achieve better lightning protection effect and fixed installation effect through the conductive block, steel mesh, chute and slider.

Description

Lightning protection ultra-high voltage isolation transmitter array signal transmission device

technical field

The utility model relates to the technical field of isolation transmitter equipment, in particular to an array signal transmission device of an ultra-high voltage isolation transmitter for lightning protection.

Background technique

Isolation transmitter is a measuring device that converts AC and DC voltage, current, frequency, thermal resistance and other signals into voltage, current signals or digital coded signals that are electrically isolated from each other in a linear ratio. The latter is also called digital transmitter. It is applied to signal transmission in a high common mode voltage environment, isolates the measured object and the data acquisition system, thereby improving the common mode rejection ratio, and at the same time protecting electronic equipment and personal safety. etc. are widely used.

The existing technology has the following problems:

1. The existing isolation transmitter is generally directly installed on the guide rail, and the transmitter and the guide rail are usually fixed on the surface by sliding connection, which makes the stability of the transmitter inside the electric cabinet poor. After the force is applied, the transmitter is prone to sliding between the guide rails, resulting in position deviation;

2. The lightning protection effect of the existing isolation transmitter is general. In thunderstorms, the internal components of the transmitter will be faulty and damaged. In order to achieve the traditional lightning protection effect, the transmitter needs to be well grounded, but it is installed on the guide rail. Transmitters are more difficult to achieve.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a lightning protection ultra-high voltage isolation transmitter array signal transmission device, which solves the existing lightning protection problems and fixed installation problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: a lightning protection ultra-high voltage isolation transmitter array signal transmission device, including a transmitter body, the top of the transmitter body is provided with a connection terminal, the transmitter The inner surface of the transmitter body is provided with a steel mesh, the interior of the transmitter body is provided with a printed board, the bottom of the transmitter body is provided with a base, the bottom of the base is provided with a conductive block, and the bottom of the base is provided with a conductive block. The inner surface is provided with a connecting block, and one end of the base close to the connecting block is provided with a chute, the interior of the chute is provided with a sliding block, and the bottom of the sliding block is provided with a spring, and the connecting block is far from one end of the chute. The side opening is provided with a card slot, the inside of the card slot is provided with a guide rail, the top of the guide rail is provided with an insertion hole, and the bottom of the guide rail is provided with a ground wire.

As a preferred technical solution of the present invention, the connection terminal is fixedly connected to the transmitter body, the steel mesh is inserted into the transmitter body, and the connection terminal is electrically connected to the printed board through wires.

As a preferred technical solution of the present invention, the main body of the transmitter is fixedly connected to the base, the bottom of the steel mesh is electrically connected to the conductive block through wires, and the conductive block is fixedly connected to the base.

As a preferred technical solution of the present invention, the number of the connection blocks is two groups, the two groups of the connection blocks are axially symmetrically distributed with respect to the horizontal center line of the base, and the connection blocks are fixedly connected to the slider.

As a preferred technical solution of the present invention, the size of the outer surface of the slider matches the size of the inner surface of the chute, and the slider is slidably connected to the chute.

As a preferred technical solution of the present invention, the spring is fixedly connected with the chute, the slider is elastically connected between the spring and the base, and the size of the inner surface of the slot matches the size of the outer surface of the guide rail. The connecting block is slidably connected with the guide rail through the card slot.

As a preferred technical solution of the present invention, the inner diameter of the socket matches the outer diameter of the conductive block, the conductive block is inserted into the socket, and the number of the socket is several groups, and several groups The sockets are distributed in an equidistant straight line with respect to the guide rail, the ground wire is electrically connected with the guide rail, and the conductive block is electrically connected with the guide rail.

Compared with the prior art, the utility model provides an array signal transmission device of lightning protection ultra-high voltage isolation transmitter, which has the following beneficial effects:

1. The lightning protection and ultra-high voltage isolation transmitter array signal transmission device, by opening a chute on the inside of the base, and under the action of a spring, the slider has the effect of elastic sliding inside the chute, and one side of the slider has an elastic sliding effect. The connection block is fixedly connected, so that the connection block can normally slide up and down at the bottom of the base. By opening a card slot on one side of the connection block, and the two groups of connection blocks cooperate to realize the card connection between the card slot and the guide rail, and realize the whole transmitter and the guide rail. The effect of sliding, and after sliding to an appropriate position, the two sets of connecting blocks are compressed and retracted inward under the elastic action of the spring. At this time, the conductive blocks at the bottom of the base and the jacks on the surface of the guide rail are inserted into each other, which stabilizes the transmission. The position of the transmitter on the guide rail, so that the overall position of the transmitter will not change even after the force is applied.

2. The lightning protection ultra-high voltage isolation transmitter array signal transmission device inserts steel mesh on the inner surface of the transmitter body, and the steel mesh wraps the printed board inside the transmitter body as a whole, so that in thunderstorm weather , the steel mesh realizes the lightning protection effect on the printed board through the Faraday cage effect, and the wires connected to the connecting terminals normally pass through the steel mesh and are electrically connected to the printed board. This structure mainly protects the normal use of the printed board, while the steel mesh The bottom is electrically connected to the conductive block at the bottom of the base through a wire. Under the installation and fixed conditions, the grounding wire is directly grounded, so that the steel mesh has good grounding after passing through the conductive block, the guide rail and the grounding wire, which meets the actual effect of lightning protection.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the side cut structure schematic diagram of the utility model;

Fig. 3 is the front schematic diagram of the base connection structure of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the main body of the transmitter of the present invention.

In the figure: 1. Main body of transmitter; 2. Connection terminal; 3. Steel mesh; 4. Printed board; 5. Base; 6. Conductive block; 7. Connection block; 8. Chute; 9. Slider; 10, spring; 11, card slot; 12, guide rail; 13, jack; 14, ground wire.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-4, in this embodiment: a lightning-proof ultra-high voltage isolation transmitter array signal transmission device, including a transmitter body 1 for signal isolation; the top of the transmitter body 1 is provided with a connection terminal 2 , used for connection; the inner surface of the transmitter body 1 is provided with a steel mesh 3, which is used to wrap the inside of the transmitter body 1; the interior of the transmitter body 1 is provided with a printed board 4 for signal processing isolation; The bottom of the transmitter body 1 is provided with a base 5, which is the bottom plate installed with the mounting frame; the bottom of the base 5 is provided with a conductive block 6 to stabilize the position of the transmitter body 1; the inner surface of the base 5 is provided with a connection block 7. It is used to realize the clamping and sliding with the subsequent device; one end of the base 5 close to the connecting block 7 is provided with a chute 8 for realizing sliding; the inside of the chute 8 is provided with a slider 9 for driving the connecting block 7 slides on the inner side of the base 5; the bottom of the slider 9 is provided with a spring 10 for reset and pulling; the side of the connecting block 7 away from the chute 8 is provided with a card slot 11, which is used for sliding with subsequent devices; the card slot 11 The inside of the guide rail 12 is provided with a guide rail 12, which can be understood as an installation device; the top of the guide rail 12 is provided with a jack 13 for plugging with the conductive block 6 to achieve better contact and conduction; the bottom of the guide rail 12 is provided with a grounding Line 14 is used for grounding and meets the lightning protection effect.

In this embodiment, the connection terminal 2 is fixedly connected to the transmitter body 1, the steel mesh 3 is plugged into the transmitter body 1, the connection terminal 2 is electrically connected to the printed board 4 through wires, and the connection terminal 2 is connected to the printed board The connection of 4 means that the wire passes through the steel mesh 3, and the steel mesh 3 only protects the printed board 4; the transmitter body 1 is fixedly connected to the base 5, and the bottom of the steel mesh 3 is electrically connected to the conductive block 6 through the wire, which is conductive. The block 6 is fixedly connected with the base 5, and the conductive block 6 satisfies the fixing effect and the conductive effect, and realizes the subsequent grounding of the steel mesh 3; Symmetrical distribution, the connecting block 7 is fixedly connected with the slider 9, the two groups of connecting blocks 7 correspond to the two groups of the inner wall of the base 5, and are mainly in direct contact with the guide rail 12; the size of the outer surface of the slider 9 matches the size of the inner surface of the chute 8 , the slider 9 is slidably connected with the chute 8, and the sliding of the slider 9 and the chute 8 realizes the position change of the connecting block 7, which helps to stabilize the fixing of the transmitter body 1 on the surface of the guide rail 12; the spring 10 and the chute 8 Fixed connection, the slider 9 is elastically connected with the base 5 through the spring 10, the inner surface size of the card slot 11 matches the outer surface size of the guide rail 12, the connecting block 7 is slidably connected to the guide rail 12 through the card slot 11, and the spring 10 The effect is achieved when the transmitter body 1 is loosened during installation, so that the connecting block 7 pulls the guide rail 12 to fit the base 5, and the card slot 11 is used for snap connection with the guide rail 12 to realize sliding; the inner diameter of the jack 13 is related to the size of the conductive block The outer diameter of 6 matches, the conductive block 6 is inserted into the socket 13, the number of sockets 13 is several groups, and the several groups of sockets 13 are equidistant linearly distributed with respect to the guide rail 12, and the ground wire 14 is electrically connected to the guide rail 12. , the conductive block 6 is electrically connected with the guide rail 12, and the multiple groups of jacks 13 realize the plug-in contact between the conductive block 6 and the jack 13 at different positions, which satisfies the installation of the transmitter body 1 at different positions on the surface of the guide rail 12, and the steel The net 3 passes through the conductive block 6 , the guide rail 12 and the grounding wire 14 to achieve grounding.

The working principle and use process of the present utility model: when the operator installs the transmitter body 1, the operator aligns and slides the slot 11 on one side of the connection block 7 with the guide rail 12, and then pulls the entire transmitter body 1 upwards. The two groups of connecting blocks 7 on the inner side of the base 5 can slide with the chute 8 through the slider 9, so that the conductive block 6 at the bottom of the base 5 can be moved on the top of the guide rail 12. After moving to the proper position of the guide rail 12, loosen the The main body of the transmitter 1, at this time, under the elastic action of the spring 10, the base 5 is driven to fit the surface of the guide rail 12 as a whole, and the conductive block 6 at the bottom of the base 5 is inserted into the socket 13 at the appropriate position, thus completing the fixing, even if it is disturbed by external forces , the transmitter body 1 will not be displaced on the guide rail 12, and its stability is effectively improved. By inserting the steel mesh 3 on the inner surface of the transmitter body 1, the connection terminal 2 on the top of the transmitter body 1 Normally, it is connected to the printed board 4 through wires. In thunderstorm weather, the steel mesh 3 wraps the printed board 4 inside the transmitter body 1, and the bottom of the steel mesh 3 is connected to the conductive block 6 through the wire, and the conductive block 6 is again The jack 13 is in contact with the guide rail 12, and the bottom of one side of the guide rail 12 is directly grounded through the provided grounding wire 14, and the Faraday cage effect is used to satisfy the grounding effect and lightning protection effect of the steel mesh 3.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. An array signal transmission device for lightning protection and ultra-high voltage isolation transmitters, comprising a transmitter body (1), characterized in that: the top of the transmitter body (1) is provided with a connection terminal (2), and the The inner surface of the transmitter body (1) is provided with a steel mesh (3), the interior of the transmitter body (1) is provided with a printed board (4), and the bottom of the transmitter body (1) is provided with There is a base (5), the bottom of the base (5) is provided with a conductive block (6), the inner surface of the base (5) is provided with a connecting block (7), and the base (5) is close to the connecting block (7) ) is provided with a chute (8) at one end, a slider (9) is arranged inside the chute (8), a spring (10) is arranged at the bottom of the slider (9), and the connecting block (7) ) A card slot (11) is opened on the side away from the chute (8), a guide rail (12) is arranged inside the card slot (11), and a jack (13) is provided through the top of the guide rail (12). , the bottom of the guide rail (12) is provided with a ground wire (14). 2. The lightning protection EHV isolation transmitter array signal transmission device according to claim 1, characterized in that: the connection terminal (2) is fixedly connected with the transmitter body (1), and the steel mesh ( 3) Plugging with the transmitter body (1), the connecting terminal (2) is electrically connected with the printed board (4) through wires. 3. The lightning protection ultra-high voltage isolation transmitter array signal transmission device according to claim 1, characterized in that: the transmitter main body (1) is fixedly connected with the base (5), and the steel mesh (3) ) bottom is electrically connected with a conductive block (6) through a wire, and the conductive block (6) is fixedly connected with the base (5). 4. The lightning protection ultra-high voltage isolation transmitter array signal transmission device according to claim 1, characterized in that: the number of the connection blocks (7) is two groups, and the two groups of the connection blocks (7) are about The horizontal center line of the base (5) is axially symmetrically distributed, and the connecting block (7) is fixedly connected with the sliding block (9). 5. The lightning protection EHV isolation transmitter array signal transmission device according to claim 1, characterized in that: the outer surface size of the slider (9) matches the inner surface size of the chute (8) , the slider (9) is slidably connected with the chute (8). 6. The lightning protection EHV isolation transmitter array signal transmission device according to claim 1, wherein the spring (10) is fixedly connected with the chute (8), and the slider (9) passes through the The spring (10) and the base (5) are elastically connected, the size of the inner surface of the card slot (11) matches the size of the outer surface of the guide rail (12), and the connecting block (7) passes through the card slot (11) It is slidably connected with the guide rail (12). 7. The lightning protection ultra-high voltage isolation transmitter array signal transmission device according to claim 1, wherein the inner diameter of the jack (13) matches the outer diameter of the conductive block (6), The conductive block (6) is inserted into the sockets (13), the number of the sockets (13) is several groups, and the several groups of the sockets (13) are distributed in an equidistant straight line with respect to the guide rail (12), so The ground wire (14) is electrically connected to the guide rail (12), and the conductive block (6) is electrically connected to the guide rail (12).

Images