CN213515608U

CN213515608U - Inclined vibration sensor and alarm device

Info

Publication number: CN213515608U
Application number: CN202023107251.XU
Authority: CN
Inventors: 盛洪宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-06-22
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a slope vibration sensor and alarm device belongs to anti-theft detection equipment technical field. The utility model discloses a tilt vibration sensor, including the electrically conductive casing, have the cavity in the casing, the cavity is provided with the electrically conductive spheroid, is provided with insulating end cap on the casing, inserts on the end cap and is equipped with the second electrode, and the one end that the second electrode is located the cavity is connected with electrically conductive spring, therefore when the casing of sensor takes place the slope, the electrically conductive spheroid can roll towards the spring, and contact with the spring so that casing and second electrode put through; when the sensor vibrates, the spring swings relative to the shell under the action of self inertia and elasticity and is in contact with the shell to enable the shell to be communicated with the second electrode, so that the alarm device is triggered, the reaction speed of the sensor can be effectively improved, and the delay time of the alarm is reduced.

Description

Inclined vibration sensor and alarm device

Technical Field

The utility model relates to a theftproof check out test set technical field, more specifically says, relates to a slope vibration sensor and alarm device.

Background

In the field of security, a detection device, i.e. a sensor, is usually required to monitor the state of an object, such as vibration and inclination of the object, so as to determine whether the object is in a security state for anti-theft purposes.

In the prior art, sensors for monitoring the vibration and inclination state of an object are commonly used, and the triggering condition is generally achieved by using a triggering member capable of generating physical changes along with the vibration and inclination of the object, wherein the physical changes can be changes of relative positions, self shapes and physical characteristics. For example, chinese patent application No. 2006800387395 discloses a small-sized tilt vibration sensor in which a plurality of electrodes and a conductive ball are incorporated and on/off operation is performed by displacement of the ball, and specifically provides a small-sized tilt vibration sensor which can be significantly miniaturized, has high performance and operation sensitivity, and has durability and high reliability, and a method for manufacturing the same. A housing body of a sensor is composed of a housing body and a cover body for hermetically closing an opening of the housing body, the housing body and the cover body are respectively formed of a non-conductive material having excellent gas barrier properties and heat resistance and capable of preventing gas from permeating through the housing body, the gas permeation being adversely affected by the movement displacement of a conductive ball, and water and particulate impurities which adversely affect the on-off operation are removed from a cavity of the housing body, and the cavity is evacuated.

However, when the sensor vibrates in a small amplitude, the ball is likely to resonate with the sensor rather than roll; even if self balance is damaged and the electrode rolls in the vibration process, trigger delay is generated, so that the alarm time of the alarm device is delayed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

An object of the utility model is to overcome the problem that slope vibration sensor triggers to postpone highly and lead to alarm device alarm time lag among the prior art, provide a slope vibration sensor, aim at the reaction rate that improves the sensor through the spring that sets up in the sensor.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a tilt vibration sensor, which comprises a conductive shell, wherein a cavity is arranged in the shell, and a conductive ball body is arranged in the cavity; an insulated plug is arranged on the shell, a second electrode is inserted into the plug, and one end of the second electrode, which is positioned in the cavity, is connected with a conductive spring; the spring is capable of contacting the housing when the housing vibrates, and the conductive ball is capable of rolling toward and contacting the spring when the housing is tilted.

Further, the spring is transversely arranged in the cavity, and the free end of the spring is arranged towards the conductive ball.

Further, the shell comprises a cylinder body and end plates positioned at two ends of the cylinder body, and a gap between the cylinder body and the spring is smaller than the maximum swing amplitude of the free end of the spring relative to the cylinder body.

Furthermore, the plug is arranged on an end plate at one end of the cylinder, and a first electrode is arranged on an end plate at the other end of the cylinder.

Further, the number of the conductive balls is two, and the spring is arranged between the two conductive balls.

Further, the springs are arranged in two, the free end of one of the two springs is arranged towards one of the two conductive spheres, and the free end of the other of the two springs is arranged towards the other of the two conductive spheres; the two springs are connected with the second electrode through a conductive connecting piece.

Further, the shell comprises a cylinder body and end plates positioned at two ends of the cylinder body; the end plates are provided with the plugs, and a conductive ball body is arranged between the two springs connected to the plugs.

Further, the second electrodes on the two plugs are electrically connected; the cylinder is provided with a first electrode.

Furthermore, a positioning groove is formed in the shell, and the position of the positioning groove corresponds to the position of the conductive ball.

The utility model discloses an alarm device, including foretell slope vibration sensor to and at least one siren, slope vibration sensor with the siren electricity is connected.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a tilt vibration sensor, including the electrically conductive casing, have the cavity in the casing, the cavity is provided with the electrically conductive spheroid, is provided with insulating end cap on the casing, inserts on the end cap and is equipped with the second electrode, and the one end that the second electrode is located the cavity is connected with electrically conductive spring, therefore when the casing of sensor takes place the slope, the electrically conductive spheroid can roll towards the spring, and contact with the spring so that casing and second electrode put through; when the sensor vibrates, the spring swings relative to the shell under the action of self inertia and elasticity and is in contact with the shell to enable the shell to be communicated with the second electrode, so that the alarm device is triggered, the reaction speed of the sensor can be effectively improved, and the delay time of the alarm is reduced.

(2) The utility model discloses in, be provided with the end cap on the end plate at barrel both ends, be provided with electrically conductive spheroid on two end caps between the spring of connecting, therefore when the sensor takes place less range vibration, electrically conductive spheroid also rolls towards a spring in two springs easily to trigger alarm device improves the sensitivity of sensor.

(3) The utility model discloses an alarm device, including slope vibration sensor and at least one siren, be provided with the spring in this slope vibration sensor, can improve the reaction rate of sensor to reduce the lag time of alarm.

Drawings

Fig. 1 is a schematic structural view of a tilt vibration sensor according to the present invention;

FIG. 2 is a schematic diagram of the case body of the present invention being triggered when vibrating;

fig. 3 is a schematic diagram of the trigger when the housing of the present invention is tilted;

FIG. 4 is a schematic structural diagram of a double-sphere sensor according to the present invention;

fig. 5 is a schematic structural diagram of the middle double-spring sensor of the present invention.

The reference numerals in the schematic drawings illustrate: 1. a housing; 2. a first electrode; 3. a spring; 4. a second electrode; 5. a plug; 6. a conductive sphere; 7. a connecting member.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Fig. 1 shows a structure of a tilt vibration sensor of the present embodiment, which can be used in an alarm device for monitoring tilt and vibration of a target object, thereby preventing theft of the target object. Specifically, the sensor of the present embodiment includes a housing 1, and a conductive ball 6 and a spring 3 provided in the housing 1. The shell 1 is made of a conductive material, a cavity is formed in the shell, and a conductive ball 6 is accommodated in the cavity and can roll in the cavity; the spring 3 is made of an electrically conductive, elastic material and is located in the cavity.

For electrical conduction, the housing 1 is further provided with a plug 5 made of an insulating material, and the plug 5 is provided with a second electrode 4. The second electrode 4 is specifically inserted into the plug 5, such that one end of the second electrode 4 is located outside the casing 1, and the other end of the second electrode 4 is located in the cavity. The spring 3 is connected to the end of the second electrode 4 located in the cavity and the free end of the spring 3 is arranged towards the conductive sphere 6.

When the shell 1 is stable, the conductive ball 6 is far away from the spring 3 and is not in contact with the spring 3, the free end of the spring 3 is suspended in the cavity and is not in contact with the shell 1, and the shell 1 and the second electrode 4 are in an electric disconnection state; referring to fig. 2, when the housing 1 only vibrates, the spring 3 can vibrate relative to the housing 1 under the influence of its own elasticity and inertia and is in contact with the housing 1, and the housing 1, the spring 3 and the second electrode 4 are in an electrical communication state; referring to fig. 3, when the housing 1 is merely tilted, the conductive ball 6 in the cavity can move toward the spring 3 and contact the spring 3, and the housing 1, the conductive ball 6, the spring 3 and the second electrode 4 are in electrical communication.

Therefore, when the sensor of the present embodiment is electrically connected to the alarm of the alarm device, once the housing 1, the conductive sphere 6, the spring 3 and the second electrode 4 are in an electrical communication state, or the housing 1, the spring 3 and the second electrode 4 are in an electrical communication state, the alarm will be triggered and generate corresponding feedback, so as to realize the anti-theft function.

Of course, in the process of theft of the monitored object, the housing 1 may vibrate and tilt simultaneously, and at this time, as long as the housing 1, the conductive sphere 6, the spring 3 and the second electrode 4 are in the electric communication state, or the housing 1, the spring 3 and the second electrode 4 are in the electric communication state, the alarm can be triggered.

In the following, the following description is given,

as a first example of the present embodiment, the spring 3 and the conductive ball 6 are provided as one. Wherein the spring 3 can be placed in the cavity transversely and the free end of the spring 3 is arranged towards the conductive ball 6.

The housing 1 is formed of a cylinder and end plates provided at both ends of the cylinder. Specifically, the barrel can be the cylinder structure, also can be prismatic structure, can be for can dismantling the connection between end plate and the barrel, for example spiro union, buckle are connected, also can be fixed connection, for example welding.

The plug 5 is arranged on an end plate at one end of the cylinder body, and the conductive ball 6 is positioned in the cavity and close to the end plate far away from the plug 5. The spring 3 is arranged on the plug 5 and is positioned between the plug 5 and the conductive ball 6, and the gap between the spring 3 and the barrel can be smaller than the maximum swing amplitude of the free end of the spring relative to the barrel, so that when the sensor vibrates, at least the free end of the spring 3 can be in contact with the barrel to trigger the alarm.

In order to facilitate the electrical connection of the sensor of the present embodiment with the alarm, the first electrode 2 may be disposed on one end plate away from the plug 5 while the second electrode 4 is inserted on the plug 5, so that when the sensor vibrates and/or tilts, the first electrode 2, the housing 1, the conductive ball 6, the spring 3 and the second electrode 4 are in an electrical communication state, or the first electrode 2, the housing 1, the spring 3 and the second electrode 4 are in an electrical communication state, thereby completing the triggering of the alarm.

In the following, the following description is given,

as a second example of the present embodiment, referring to fig. 4, two conductive balls 6 are provided, and at least one spring 3 is provided. Wherein the spring 3 is arranged between the two conductive balls 6, so that when the housing 1 is tilted to the left in fig. 4, the conductive ball 6 located at the right will roll towards the spring 3 and contact the spring 3; when the housing 1 is tilted to the right in fig. 4, the conductive ball 6 located at the left side rolls toward the spring 3 and contacts the spring 3, thereby further increasing the response speed of the sensor.

As another embodiment of the present embodiment, the springs 3 may be provided in two, a free end of one spring 3 of the two springs 3 is provided toward one of the two conductive balls 6, and a free end of the other spring 3 of the two springs 3 is provided toward the other of the two conductive balls 6.

The two springs 3 may be connected to the second electrodes 4 by conductive connecting members 7, or may be connected to the two second electrodes 4, respectively, and the two second electrodes 4 may be connected to each other by a conductive connecting member.

Of course, when two conductive balls 6 are provided, one of the two conductive balls 6 may roll toward the spring 3 and trigger the alarm device during the normal placement of the sensor, so that referring to fig. 4, a positioning groove for placing the conductive ball 6 may be formed on the housing, and the conductive ball 6 may be prevented from directly rolling toward the spring and triggering the alarm device by mistake during the placement.

In the following, the following description is given,

as a third example of the present embodiment, referring to fig. 5, one conductive ball 6 is provided and two springs 3 are provided. Specifically, the end plates at the two ends of the cylinder of the casing 1 are both provided with plugs 5, and the plugs 5 are provided with springs 3, so that the conductive balls can be arranged between the springs 3 connected to the two plugs 5.

When the housing 1 is tilted to the left in fig. 5, the conductive ball 6 rolls toward the spring 3 located on the left side and contacts the spring 3; when the housing 1 is tilted to the right in fig. 5, the conductive ball 6 rolls toward the spring 3 located at the right side and contacts the spring 3, thereby further increasing the response speed of the sensor.

In this embodiment, the second electrodes 4 on the two plugs 5 can be electrically connected through a conductive connecting member, and the first electrode can be disposed on the cylinder.

In addition, the embodiment also provides an alarm device, which comprises the inclination vibration sensor of the embodiment and at least one alarm, wherein the inclination vibration sensor and the alarm are electrically connected. When the target object vibrates or tilts unexpectedly, the tilt vibration sensor can vibrate and/or tilt accordingly, so that the second electrode 4 is electrically communicated with the shell 1, or the second electrode 4 is electrically communicated with the first electrode 2, and an alarm is triggered, so that the alarm gives feedback.

Specifically, the alarm may be a buzzer, and the feedback of the alarm is to generate a buzzer; the alarm may be a flashing light, and the feedback of the alarm is flashing at a certain frequency. When the alarm device is provided with a buzzer and a flashing light at the same time, the alarm effect is improved.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A tilt vibration sensor, characterized by: the conductive ball type LED lamp comprises a conductive shell, wherein a cavity is formed in the shell, and a conductive ball is arranged in the cavity; an insulated plug is arranged on the shell, a second electrode is inserted into the plug, and one end of the second electrode, which is positioned in the cavity, is connected with a conductive spring; the spring is capable of contacting the housing when the housing vibrates, and the conductive ball is capable of rolling toward and contacting the spring when the housing is tilted.

2. A tilt vibration sensor according to claim 1, wherein: the spring is transversely arranged in the cavity, and the free end of the spring is arranged towards the conductive ball.

3. A tilt vibration sensor according to claim 2, wherein: the shell comprises a cylinder body and end plates positioned at two ends of the cylinder body, and the gap between the cylinder body and the spring is smaller than the maximum swing amplitude of the free end of the spring relative to the cylinder body.

4. A tilt vibration sensor according to claim 3, wherein: the end cap is arranged on the end plate at one end of the cylinder, and the end plate at the other end of the cylinder is provided with a first electrode.

5. A tilt vibration sensor according to claim 1, wherein: the number of the conductive balls is two, and the spring is arranged between the two conductive balls.

6. The oblique vibration sensor according to claim 5, wherein: the springs are arranged in two, the free end of one of the two springs is arranged towards one of the two conductive spheres, and the free end of the other of the two springs is arranged towards the other of the two conductive spheres; the two springs are connected with the second electrode through a conductive connecting piece.

7. A tilt vibration sensor according to claim 1, wherein: the shell comprises a cylinder body and end plates positioned at two ends of the cylinder body; the end plates are provided with the plugs, and a conductive ball body is arranged between the two springs connected to the plugs.

8. A tilt vibration sensor according to claim 7, wherein: the second electrodes on the two plugs are electrically connected; the cylinder is provided with a first electrode.

9. A tilt vibration sensor according to any one of claims 5 to 8, wherein: the shell is provided with a positioning groove, and the position of the positioning groove corresponds to the position of the conductive ball.

10. An alarm device, characterized in that: comprising a tilt vibration sensor according to any one of claims 1 to 8, and at least one alarm, the tilt vibration sensor being electrically connected to the alarm.