CN214154930U

CN214154930U - Sensor electrostatic discharge structure

Info

Publication number: CN214154930U
Application number: CN202120006090.0U
Authority: CN
Inventors: 顾一新
Original assignee: Dongguan Zhengyang Electronic Mechanical Co ltd
Current assignee: Guangdong Zhengyang Sensor Technology Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-09-07
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a sensor electrostatic discharge structure, which belongs to the technical field of sensors and comprises a connector, a wiring terminal and a conductive part, wherein the connector comprises a ground wire which can lead static electricity to the ground end; the end part of the wiring terminal is detachably connected with the connector; one end of the conductive part is detachably connected with one or more metal tubes of the sensor, and the other end of the conductive part is detachably connected with the wiring terminal. The utility model provides a sensor electrostatic discharge structure, static on the tubular metal resonator loops through conductive part, binding post and connector and reachs the ground wire to the connector, also can derive the static on the sensor to the ground under the condition that does not use metallic fuel tank, because all tubular metal resonators discharge simultaneously, can release static fast in time.

Description

Sensor electrostatic discharge structure

Technical Field

The utility model relates to a sensor technical field especially relates to a sensor electrostatic discharge structure.

Background

The sensor is a detecting device which can sense the measured information and convert the sensed information into electric signals or other required information to be output according to a certain rule, and the liquid level sensor is a sensor for measuring the liquid level of the fluid.

The liquid level sensor in the oil tank needs to lead static electricity to the ground end in time, so that electronic components are prevented from being broken down by the static electricity, and the oil tank is prevented from being ignited due to the static electricity. The existing liquid level sensor carrying a grounding structure is in contact with a toothed ring through a metal oil tank in a grounding mode, and the toothed ring is connected with the head of the sensor in a buckling mode, so that static electricity on the liquid level sensor is led out. This method is only suitable for metal fuel tanks, and static electricity cannot be discharged in time due to the large volume of the metal fuel tanks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sensor electrostatic discharge structure to the electrostatic discharge who solves the liquid level sensor electrostatic discharge who exists among the prior art only is suitable for the metal oil tank and can not in time release the static technical problem on the tubular metal resonator.

As the conception, the utility model adopts the technical proposal that:

a sensor electrostatic discharge structure comprising:

a connector including a ground wire capable of conducting static electricity to a ground terminal;

the end part of the wiring terminal is detachably connected with the connector;

and one end of the conductive part is detachably connected with one or more metal tubes of the sensor, and the other end of the conductive part is detachably connected with the wiring terminal.

Further, the conductive part comprises a connecting piece and a conducting strip which are detachably connected, the connecting piece is detachably connected with the wiring terminal, and the conducting strip is connected with the metal tube.

Furthermore, the conducting strip comprises clamping grooves used for clamping the metal tubes, and the number of the clamping grooves corresponds to that of the metal tubes.

Further, the clamping groove is an arc-shaped groove.

Further, the connecting piece is a screw, a threaded hole is formed in the conductive sheet, and the screw is in threaded connection with the threaded hole.

Furthermore, the metal tubes are arranged at intervals and respectively comprise an electronic tube, an oil suction tube and an oil return tube.

Further, binding post is including dismantling the public terminal of the wiring of connecting and the female terminal of wiring, the public terminal of wiring with the connection can be dismantled to the conductive part, the female terminal of wiring with the connection can be dismantled to the connector.

Further, the female terminal of working a telephone switchboard is kept away from the one end of connector is equipped with the recess, the male terminal of working a telephone switchboard is kept away from the one end of conductive part is equipped with the arch, the arch can with the recess joint.

Furthermore, one end, far away from the female terminal, of the wiring male terminal is provided with a threaded ring, and the conductive part is in threaded connection with the threaded ring.

Further, the female terminal of wiring with the connector can realize dismantling the connection through buckle, grafting or threaded connection.

The utility model has the advantages that:

the utility model provides a sensor electrostatic discharge structure, because tubular metal resonator, conductive part, binding post and connector connect gradually, static on the tubular metal resonator loops through conductive part, binding post and connector and reachs the ground wire to the connector, realizes deriving the static of sensor to the ground wire, and then realizes deriving the static to the ground. Because all the metal tubes discharge electricity at the same time, the static electricity can be quickly and timely released. The utility model provides a sensor electrostatic discharge structure also can derive the static on the sensor to the ground end under the condition that does not use metal oil tank to can in time release static.

Drawings

Fig. 1 is a schematic structural diagram of a sensor electrostatic discharge structure provided by the present invention;

fig. 2 is a schematic structural diagram of a conductive sheet of an electrostatic discharge structure of a sensor according to the present invention.

In the figure:

10. a sensor;

1. a metal tube; 11. an electron tube; 12. an oil suction pipe; 13. an oil return pipe;

2. a connector;

3. a wiring terminal; 31. a wiring male terminal; 32. a female terminal for connection;

4. a conductive portion; 41. a connecting member; 42. a conductive sheet; 421. a card slot; 422. a threaded bore.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a sensor electrostatic discharge structure for discharging static electricity on a sensor.

The sensor electrostatic discharge structure comprises a connector 2, a wiring terminal 3 and a conductive part 4, wherein the connector 2 comprises a ground wire which is used for leading static electricity out to a ground end; the end of the connecting terminal 3 is detachably connected with the connector 2, and the connecting terminal 3 is used for guiding static electricity on the conductive part 4 into the connector 2; one end of the conductive part 4 is detachably connected with one or more metal tubes 1 of the sensor 10, the other end is detachably connected with the wiring terminal 3, and the conductive part 4 is used for leading static electricity on the metal tubes 1 into the wiring terminal 3.

Referring to fig. 1, the wiring terminal 3 includes a wiring male terminal 31 and a wiring female terminal 32 which are detachably connected, the wiring male terminal 31 and the conductive portion 4 are detachably connected, the wiring female terminal 32 and the connector 2 are detachably connected, static electricity transmitted to the conductive portion 4 sequentially passes through the wiring male terminal 31 and the wiring female terminal 32 to transmit the static electricity to the connector 2, the detachable connection structure is convenient to disassemble and assemble, the detachable connection structure is convenient to apply to different sensors 10, the reusable connection structure can be used for multiple times, and cost is saved.

The one end that connector 2 was kept away from to female terminal 32 of working a telephone switchboard is equipped with the recess, and the one end that conductive part 4 was kept away from to public terminal 31 of working a telephone switchboard is equipped with the arch, and the arch can with the recess joint, public terminal 31 of working a telephone switchboard and female terminal 32 of working a telephone switchboard realize electrostatic transmission through the joint of arch and recess, simple structure, and convenient connection is with quick.

The one end that female terminal 32 of working a telephone switchboard was kept away from to wiring male terminal 31 is equipped with the screw ring, and conductive part 4 and screw ring threaded connection have realized being connected with dismantling of wiring male terminal 31 conductive part 4 to simple structure connects stably, processing and easy dismounting.

Female terminal 32 of wiring can be dismantled through buckle, grafting or threaded connection realization with connector 2 and be connected, and above-mentioned connected mode has all realized the dismantled connection of connecting portion 2 and female terminal 32 of wiring, and connection structure is simple, easy dismounting, the change of being convenient for when taking place to damage.

Referring to fig. 1 and 2, the conductive part 4 includes connecting piece 41 and conducting strip 42 that can dismantle the connection, and connecting piece 41 can dismantle with binding post 3 and be connected, easy dismounting, and the change of being convenient for, conducting strip 42 connection tubular metal resonator 1 to realize that static on every tubular metal resonator 1 all can transmit to connecting piece 41 through conducting strip 42, rethread connecting piece 41, binding post 3 and connector 2 transmit to the ground end, and the transmission is rapid, guarantees that static on every tubular metal resonator 1 all can release.

The conducting strip 42 is including the draw-in groove 421 that is used for joint tubular metal resonator 1, the quantity of draw-in groove 421 corresponds with the quantity of tubular metal resonator 1, draw-in groove 421 has realized that conducting strip 42 is connected with dismantling of tubular metal resonator 1, and the simple structure of draw-in groove 421, and processing is convenient, it is stable to connect, tubular metal resonator 1 interval is provided with threely, be the electron tube 11 respectively, inhale oil tube 12 and return oil pipe 13, the electron tube 11, inhale oil tube 12 and the tip of returning oil pipe 13 and connect in the head of sensor 10, the electron tube 11, inhale oil tube 12 and return oil pipe 13 and be parallel and be the triangle-shaped interval setting, because the electron tube 11, inhale oil tube 12 and return oil pipe 13 and respectively with a draw-in groove 421 joint, so draw-in groove 421 is the triangle-shaped interval setting, the position of draw-in groove 421 sets up according to the position of tubular metal resonator 1 promptly, thereby guarantee the joint of draw-in groove 421 with tubular metal resonator 1.

The clamping groove 421 is an arc-shaped groove, the arc angle of the arc-shaped groove is larger than 180 degrees, the arc angle is larger than 180 degrees, the metal pipe 1 cannot be separated from the arc-shaped groove, and the connection is stable.

Be provided with a plurality of lugs on the inner wall of draw-in groove 421, the surface of lug is the arcwall face, and the lug has increased the area of contact of tubular metal resonator 1 with draw-in groove 421, has guaranteed electrostatic transmission's stability, and the lug has increased the frictional force between the outer wall of tubular metal resonator 1 and the inner wall of draw-in groove 421 simultaneously, and then makes tubular metal resonator 1 be connected stably with draw-in groove 421, has guaranteed that tubular metal resonator 1 is difficult to break away from in draw-in groove 421.

In this embodiment, connecting piece 41 is the screw, be provided with screw hole 422 on the conducting strip 42, screw and screw hole 422 threaded connection, screw simple structure, processing and convenient for material collection, low cost, screw hole 422 processing is convenient, threaded connection simple structure, it is reliable to connect, the stable connection of connecting piece 41 and conducting strip 42 has been guaranteed, make static can the steady transmission, and threaded connection easy dismounting, it is also convenient to change when taking place to damage, and simultaneously, select connecting piece 41 also be convenient for directly with the wiring male terminal 31 on the screw ring threaded connection, need not increase the helicitic texture alone again, processing and easy dismounting.

When the connector is installed, the conducting plate 42 is firstly clamped on the metal tube 1 to realize the fixed connection of the conducting plate 42 and the metal tube 1, the screws are sequentially screwed into the threaded ring of the wiring male terminal 31 and the threaded hole 422 of the conducting plate 42, the wiring female terminal 32 is connected on the connector 2, and the protrusion of the wiring male terminal 31 is clamped with the groove of the wiring female terminal 32. When static electricity is present on the metal pipe 1, the static electricity is transmitted to the ground end through the conducting strip 42, the screw, the wiring male terminal 31, the wiring female terminal 32 and the connector 2 in sequence. Since all the metal tubes 1 are discharged at the same time, static electricity can be discharged quickly and timely.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sensor electrostatic discharge structure, comprising:

a connector (2) including a ground wire capable of conducting static electricity to a ground terminal;

a terminal (3) having an end portion detachably connected to the connector (2);

and one end of the conductive part (4) is detachably connected with one or more than one metal tube (1) of the sensor (10), and the other end of the conductive part is detachably connected with the wiring terminal (3).

2. The electrostatic discharge structure of sensor as claimed in claim 1, wherein the conductive part (4) comprises a detachable connecting piece (41) and a conductive piece (42), the connecting piece (41) is detachably connected with the connection terminal (3), and the conductive piece (42) is connected with the metal tube (1).

3. The electrostatic discharge structure for the sensor according to claim 2, wherein the conductive sheet (42) comprises slots (421) for clamping the metal tubes, and the number of the slots corresponds to the number of the metal tubes.

4. The electrostatic discharge structure for a sensor according to claim 3, wherein the card slot (421) is an arc-shaped slot.

5. The electrostatic discharge structure for the sensor according to claim 2, wherein the connecting member (41) is a screw, a threaded hole (422) is provided on the conductive sheet (42), and the screw is in threaded connection with the threaded hole (422).

6. The electrostatic discharge structure of the sensor according to claim 1, wherein the metal tube (1) is provided with three spaced-apart metal tubes, namely an electron tube (11), an oil suction tube (12) and an oil return tube (13).

7. The electrostatic discharge structure of sensor according to claim 1, wherein the connection terminal (3) comprises a male connection terminal (31) and a female connection terminal (32) which are detachably connected, the male connection terminal (31) is detachably connected with the conductive part (4), and the female connection terminal (32) is detachably connected with the connector (2).

8. The electrostatic discharge structure of the sensor according to claim 7, wherein a groove is formed in one end of the female terminal (32) away from the connector (2), and a protrusion is formed in one end of the male terminal (31) away from the conductive part (4), and the protrusion can be clamped with the groove.

9. The electrostatic discharge structure for a sensor according to claim 7, wherein an end of the connection male terminal (31) away from the connection female terminal (32) is provided with a threaded ring, and the conductive part (4) is in threaded connection with the threaded ring.

10. The electrostatic discharge structure for a sensor according to claim 7, wherein the female terminal (32) and the connector (2) are detachably connected by a snap, a plug, or a screw connection.