CN215182307U

CN215182307U - High-sensitivity vibration detector

Info

Publication number: CN215182307U
Application number: CN202121086320.5U
Authority: CN
Inventors: 杨玲萍
Original assignee: Xiamen Yitaisheng Electronics Co ltd
Current assignee: Xiamen Yitaisheng Electronics Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-14
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a high-sensitivity vibration detector, which comprises an outer shell, a circuit board and a vibration detection mechanism; the circuit board is detachably fixed in the outer shell, the vibration detection mechanism comprises a spring and a vibration sensor, one end of the spring is welded on the circuit board, and the other end of the spring is welded on a conductive pin of the vibration sensor; the vibration sensor senses vibration received by the outer shell through spring vibration and transmits a sensing signal to the circuit board. The utility model relates to a high sensitivity shock detector simple structure is ingenious, and the sensitivity is high, can effectively detect slight vibration.

Description

High-sensitivity vibration detector

Technical Field

The utility model relates to a vibration detects relevant technical field, particularly, relates to a high sensitivity shock detector.

Background

Vibration detectors are typically used to detect vibrations in an object to alarm or transmit a vibration signal.

The existing vibration detector can only detect equipment with large vibration amplitude, and if small electric appliances such as light with special requirements are started to meet the requirements by detecting electric appliances with small vibration amplitude such as air conditioners, the existing vibration detector cannot sense fine vibration action even if a vibration sensor with the highest sensitivity is adopted.

In view of the above, the applicant invented a high-sensitivity vibration detector with extremely high sensing sensitivity and simple and smart structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high and the ingenious high sensitivity shock detector of simple structure of sensitivity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-sensitivity vibration detector comprises an outer shell, a circuit board and a vibration detection mechanism; the circuit board is detachably fixed in the outer shell, the vibration detection mechanism comprises a spring and a vibration sensor, one end of the spring is fixedly connected to the circuit board, and the other end of the spring is connected with the vibration sensor; the vibration sensor senses vibration received by the outer shell through spring vibration and transmits a sensing signal to the circuit board.

As a further improvement, the vibration sensor comprises a thick conductive pin and a thin conductive pin, the length direction of the thick conductive pin is arranged along the horizontal direction, the tail end of the thick conductive pin is welded at the tail end of the spring, and the thin conductive pin is welded on the circuit board.

As a further improvement, the shell body comprises a lower shell body and an upper shell body, a plurality of first fixing seats provided with thread grooves are arranged on the lower shell body, the circuit board is provided with a plurality of thread holes matched with the first fixing seats, and the circuit board is detachably connected with the lower shell body through a plurality of bolts.

As a further improvement, the lower shell and the side surface of the upper shell are respectively provided with a fixing lug group which is matched with the lower shell, bolt holes are formed in the fixing lug groups, and the upper shell is connected with the lower shell through bolts.

As a further improvement, a power supply main switch with a work indicator lamp and the work indicator lamp are further arranged on the circuit board, and a yielding hole for the power supply main switch and the work indicator lamp to penetrate out is formed in the upper shell.

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

1. the utility model relates to a high sensitivity vibrations detector wholly adopts spring combination vibrations sensor's vibrations detection mechanism, soft elasticity that can effectively pass through the spring comes to respond to more subtle vibrations, when waiting to detect vibration object vibration, circuit board is given through the shell body transmission to slight amplitude, the spring is given in the transmission of rethread circuit board, finally shake through the flexible vibrations drive vibrations sensor of spring and shake, thereby realize the vibrations sensor to the response of slight vibration, and then realize that the circuit board is through handling vibration signal, carry out predetermined control to the outside electrical apparatus of connection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic diagram of an explosion structure of a high-sensitivity vibration detector of the present invention;

FIG. 2 is a schematic structural diagram of a high-sensitivity vibration detector according to the present invention;

fig. 3 is an enlarged schematic view of the shock detection mechanism shown in fig. 1.

Description of the main elements

10. An outer housing; 11. a lower housing; 12. an upper housing; 13. a first fixed seat; 14. fixing the ear group;

20. a circuit board;

30. a vibration detection mechanism;

31. a spring; 311. welding the sheet;

32. a shock sensor;

321. a thick conductive pin; 322. fine conductive pins;

40. a power supply main switch;

50. a work indicator light;

60. a relay;

70. an output wire holder;

80. an input terminal base.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

referring to fig. 1 to 3, a high-sensitivity vibration detector includes an outer casing 10, a circuit board 20 and a vibration detection mechanism 30; the circuit board 20 is detachably fixed in the outer shell 10, the vibration detection mechanism 30 includes a spring 31 and a vibration sensor 32, one end of the spring 31 is fixedly connected to the circuit board 20, and the other end is connected to the vibration sensor 32; the vibration sensor 32 senses vibration received by the outer case 10 through vibration of the spring 31 and transmits a sensing signal to the circuit board 20.

The circuit board 20 is further provided with a power main switch 40, a work indicator lamp 50 and other electronic components, wherein the power main switch 40 can start and cut off all power supplies of the circuit and has the function of the power indicator lamp; wherein the operation indicator lamp 50 can indicate the operation state of the circuit after vibration is sensed; other electronic components include a relay 60 for controlling the work of an external electric appliance, an output connector base 70 for connecting to a controlled electric appliance line, and an input connector base 80 for connecting to an external power supply for supplying power, and the rest of the electronic components are mainly used for supplying power to a signal processing circuit in an auxiliary manner through a proper low-voltage power supply and performing conventional processing on signals sent by a vibration sensor 32 according to specification requirements through a signal processing function, so that general interference signals are filtered, after the vibration sensor 32 senses vibration, on one hand, the electric signals are transmitted to the signal processing circuit on the circuit board 20, the signal processing circuit controls the work indicator lamp 50 to be turned on and displays the working state, and on the other hand, the control circuit on the circuit board 20 can drive the relay 51 to control the external electric appliance needing to work. Other electronic components are conventional circuits, which are not the point of the invention of the present application, and are not described herein.

Referring to fig. 1 and 2, the upper case 12 is provided with a hole for the power main switch 40 and the work indicator 50 to pass through, so that the work and the shutdown of the detector can be rapidly controlled by the power main switch 40, and whether the controlled external electrical appliance works or not can be rapidly judged by the work indicator 50.

Wholly adopt vibrations detection mechanism 30 of spring 31 combination vibrations sensor 32, soft elasticity that can effectively pass through spring 31 comes to respond to more subtle vibrations, when waiting to detect the vibration object vibration, circuit board 20 is given in the transmission of shell body 10 to subtle amplitude, spring 31 is given in the transmission of rethread circuit board 20, finally shake through the flexible vibrations of spring 31 drive vibrations sensor 32 and shake, thereby realize vibrations sensor 32 to the response of slight vibration, and then realize that circuit board 20 is through handling vibration signal, carry out predetermined control to the outside electrical apparatus of connection. Referring to fig. 1 and 3, the vibration sensor 32 includes a thick conductive pin 321 and a thin conductive pin 322, the length direction of the thick conductive pin 321 is disposed along a horizontal direction to realize easy vibration under the expansion and contraction of the spring 31, the end of the thick conductive pin 321 is welded to the end of the spring 31, the end of the spring 31 is disposed as a flat welding sheet 311 to facilitate rapid welding with the thick conductive pin 321, and the thin conductive pin 322 is welded on the circuit board 20 to form a complete loop with the circuit board 20. Furthermore, the elastic coefficient, the number of turns and the material of the spring 31 can be flexibly set according to the sensitivity requirement, wherein the minimum coefficient of the elastic coefficient is subject to the requirement of stably supporting the vibration sensor 32. The diameter range of the spring 31 is randomly changed according to the internal structural layout requirement, and 5 is generally adopted^～About 15mm, noneStrictly defined; the thickness range of the spring 31 is 0.3^～0.8mm, subject to the requirements of sensitivity and stable support of the shock sensor 32.

Referring to fig. 1 and 2, the outer casing 10 includes a lower casing 11 and an upper casing 12, a yielding notch through which the power supply line penetrates is provided on a side surface of the upper casing 12, a plurality of first fixing seats 13 provided with thread grooves are provided on the lower casing 11, the circuit board 20 is provided with a plurality of thread holes adapted to the first fixing seats 13, and the detachable connection between the circuit board 20 and the lower casing 11 is realized through a plurality of bolts. By adopting the connection mode, the circuit board 20 can be conveniently detached and maintained, and the structure is simple and practical.

Further, lower casing 11 with go up casing 12 side and equally divide and do not be provided with the fixed ear group 14 of looks adaptation, all seted up the bolt hole on the fixed ear group 14 and realized going up casing 12 and lower casing 11's being connected through the bolt. By adopting the connection mode, the upper shell 12 and the lower shell 11 can be conveniently separated to realize the detection and maintenance of the circuit board 20, the structure is simple, and the function is easy to operate.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high sensitivity shock detector characterized by: comprises an outer shell (10), a circuit board (20) and a vibration detection mechanism (30); the circuit board (20) is detachably fixed in the outer shell (10), the vibration detection mechanism (30) comprises a spring (31) and a vibration sensor (32), one end of the spring (31) is fixedly connected to the circuit board (20), and the other end of the spring (31) is connected with the vibration sensor (32); the vibration sensor (32) senses vibration received by the outer shell (10) through vibration of the spring (31) and transmits a sensing signal to the circuit board (20).

2. The high sensitivity shock detector of claim 1 wherein: the vibration sensor (32) comprises a thick conductive pin (321) and a thin conductive pin (322), the length direction of the thick conductive pin (321) is arranged along the horizontal direction, the tail end of the thick conductive pin is welded at the tail end of the spring (31), and the thin conductive pin (322) is welded on the circuit board (20).

3. The high sensitivity shock detector of claim 1 wherein: the outer shell (10) comprises a lower shell (11) and an upper shell (12), a plurality of first fixing seats (13) with thread grooves are formed in the lower shell (11), a plurality of threaded holes matched with the first fixing seats (13) are formed in the circuit board (20), and the circuit board (20) is detachably connected with the lower shell (11) through a plurality of bolts.

4. The high sensitivity shock detector of claim 3 wherein: lower casing (11) with go up casing (12) side and equally divide and do not be provided with fixed ear group (14) of looks adaptation, all seted up the bolt hole on fixed ear group (14) and realize going up casing (12) and being connected with lower casing (11) through the bolt.

5. The high sensitivity shock detector of claim 4 wherein: the circuit board (20) is further provided with a power supply main switch (40) with a work indicator lamp and the work indicator lamp (50), the upper shell (12) is provided with a hole for the power supply main switch (40) and the work indicator lamp (50) to penetrate out.