CN212180087U

CN212180087U - Wireless vibration sensor

Info

Publication number: CN212180087U
Application number: CN202020896867.0U
Authority: CN
Inventors: 申亚琪; 王建国; 廖建辉; 张克磊
Original assignee: Suzhou Geniitek Sensor Co ltd
Current assignee: Suzhou Geniitek Sensor Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-18
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a wireless vibration sensor, including the inside casing that has the cavity, the at least part of casing is non-signal shielding material, and inside from last to having set gradually mutual electric connection's battery, communication board, mainboard down of casing, the integration has vibration sensing chip on the mainboard, and vibration sensing chip sets up in the bottom of casing, still is provided with wireless antenna in the casing, wireless antenna with the communication board is connected. The utility model provides a reliable integrated structure of an active wireless sensor, which is characterized in that a battery, a communication board and a mainboard are arranged from top to bottom in sequence, the arrangement tightness among the battery, the communication board and the mainboard is enhanced, the battery is transversely arranged, and the longitudinal distance of the sensor is shortened; the inside volume of sensor is dwindled to the at utmost for the volume of sensor is more small and exquisite, practices thrift the required installation space of sensor, the in-service use of being more convenient for, and the vibration sensor chip is located the bottom simultaneously, can shorten the distance with the vibration source, improves and detects the precision.

Description

Wireless vibration sensor

Technical Field

The utility model relates to a vibration sensor technical field specifically relates to a wireless vibration sensor.

Background

The vibration sensor is an important instrument for collecting vibration of various objects, and a conventional vibration sensor comprises a shell, a vibration detection chip, a data conversion circuit board, a power supply module, a communication module and other elements which are assembled together.

Traditional vibration sensor is wired sensor, needs external power supply and signal line to supply power and carry out the signal super, and this application range that has restricted vibration sensor greatly can't be suitable for in the occasion that does not have external power supply. Therefore, there is a need for a wireless sensor that integrates a power supply.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art existence, provide a wireless vibration sensor.

The purpose of the utility model is realized through the following technical scheme:

wireless vibration sensor, including the inside casing that has the cavity, the at least part of casing is non-signal shielding material, inside from last to having set gradually mutual electric connection's battery, communication board, mainboard and vibration sensing chip down of casing, vibration sensing chip is located the accommodating space's of casing bottom, still be provided with wireless antenna in the casing, wireless antenna with the communication board is connected.

Preferably, the housing comprises an upper housing and a lower housing assembled together, the upper housing is made of plastic, and the lower housing is made of metal.

Preferably, the axis of the battery is perpendicular to the axis of the housing.

Preferably, a boss is formed on the bottom surface of the top plate of the upper shell, a limiting groove in a position opposite to the side wall of the lower shell is formed on the side wall of the lower shell, and the distance between the groove bottom of the limiting groove and the bottom surface of the boss is equivalent to the diameter of the battery.

Preferably, the wireless antenna is matched with the inner wall of the lower shell in shape, a clamping groove matched with the wireless antenna is formed in the inner wall of the lower shell, and the wireless antenna is clamped in the clamping groove.

Preferably, the wireless antenna is arc-shaped.

Preferably, the main board is connected with a switch, a through hole capable of accommodating the switch is formed in the lower shell, and the switch protrudes out of the lower shell.

Preferably, a slot for embedding the temperature sensing probe is arranged at the bottom of the lower shell.

Preferably, the bottom of the lower shell is provided with a connecting base, the bottom surface of the connecting base is provided with a group of mounting holes and/or the side wall of the connecting base is provided with threads or the cross section of the connecting base is hexagonal.

Preferably, still be provided with the warning light of being connected with the mainboard on the lateral wall of casing down, the warning light is three-colour LED lamp.

The beneficial effects of the utility model are mainly embodied in that:

1. the structure is simple and exquisite, a reliable integrated structure of the active wireless sensor is provided, in addition, the battery, the communication board and the mainboard are sequentially arranged from top to bottom, the arrangement tightness among the battery, the communication board and the mainboard is enhanced, the battery is transversely arranged, and the longitudinal distance of the sensor is shortened; the inside volume of sensor is dwindled to the at utmost for the volume of sensor is more small and exquisite, practices thrift the required installation space of sensor, the in-service use of being more convenient for, and the vibration sensor chip is located the bottom simultaneously, can shorten the distance with the vibration source, improves and detects the precision.

2. Go up the inside boss that sets up of casing in order to support the battery, the inside spacing groove that sets up of casing down, the position of battery is injectd in the two cooperation to prevent that the battery from rocking, increase the installation stability of battery.

3. The built-in inner wall assorted curved surface that just has and lower casing of wireless antenna for laminate more between wireless antenna and the lower casing, in order to improve sensor inner space utilization, reduce the volume of sensor.

4. The upper shell is made of non-shielding materials, so that signal transmission of the wireless antenna can be ensured; the lower shell is made of metal materials, so that the strength of the shell can be enhanced.

5. Set up three-colour LED warning light to the suggestion of multiple bright light mode in order to carry out different modes improves the security and the convenience of in-service use.

6. The base accessible magnetism of sensor is inhaled, multiple modes such as spiro union and is carried out fixed connection with other parts, has improved the suitability and the application range of sensor.

7. The polygonal structure of the connecting base can prevent the sensor from rotating in the use process.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: the explosion schematic diagram of the embodiment of the utility model;

FIG. 2: the embodiment of the utility model provides a sectional view;

FIG. 3: in the embodiment of the utility model, the top view of the lower shell;

FIG. 4: the embodiment of the utility model provides a front view of the lower shell;

FIG. 5: the embodiment of the utility model provides an in the bottom view of lower casing.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 5, the utility model discloses a wireless vibration sensor, including the inside casing 1 that has the cavity, at least part of casing 1 is non-signal shielding material, casing 1 is inside from last to having set gradually mutual electric connection's battery 2, communication board 3, mainboard 4 and vibration sensing chip (not shown in the figure) down, vibration sensing chip set up in casing 1's accommodating space's bottom to it is preferred that it is integrated on mainboard 4, still be provided with wireless antenna 6 in the casing 1, wireless antenna 6 with communication board 3 is connected.

Specifically, as shown in fig. 1 and 2, the housing 1 includes an upper housing 101 and a lower housing 102 assembled together, and in the preferred embodiment, the upper housing 101 is made of plastic and the lower housing 102 is made of metal. The plastic upper housing 101 can ensure the signal transmission of the communication board 3, but in other embodiments, the upper housing 101 may also be made of other non-signal shielding materials, such as stone, ceramic, wood, etc. The lower case 102 made of metal allows the case 1 to have high strength and to be hardly damaged. In the preferred embodiment, the lower housing 102 is made of an aluminum alloy material, so that the overall weight is small, and in other embodiments, the lower housing 102 may be made of other metals, such as stainless steel. The upper casing 101 and the lower casing 102 may be connected by a screw connection, an interference fit connection, or a snap connection, which is not limited herein.

As shown in fig. 1 and fig. 2, the battery 2 is used for supplying power, and a specific power supply structure is known in the art and is not described herein; and the battery 2 can be various known batteries capable of providing electric energy, such as dry batteries, rechargeable batteries and the like, and in the preferred embodiment, the battery 2 is a lithium sub-battery and can continuously work for 36 months. And in a preferred embodiment, in order to reduce the overall height of the sensor, the axis of the battery 2 is perpendicular to the axis of the housing 1, that is, the battery 2 is arranged in a lying manner, so that the mounting height required by the battery can be effectively reduced, and the internal space of the wireless vibration sensor can be saved.

In order to limit the position of the battery 2, as shown in fig. 2 and 3, a boss 5 is formed on the bottom surface of the top plate of the upper case 101, a limit groove 1025 with opposite positions is formed on the side wall of the lower case 102, the distance between the groove bottom of the limit groove 1025 and the bottom surface of the boss 5 is equal to the diameter of the battery, the battery 2 is erected on the two limit grooves 1025, and when the upper case 101 and the lower case 102 are assembled into a whole, the boss 5 contacts the top of the battery 2, thereby jointly limiting the position of the battery 2 in the case 1 and preventing the battery 2 from loosening and causing the failure of electrical connection during use.

As shown in fig. 1 and fig. 3, the shape of the wireless antenna 6 matches the shape of the inner wall of the lower housing 102, a slot 1021 matching with the wireless antenna 6 is formed on the inner wall of the lower housing 102, and the wireless antenna 6 is clamped in the slot 1021. In the preferred embodiment, the cross-section of the lower housing 102 is circular, and the wireless antenna 6 has an arc shape. The outer contour of the wireless antenna 6 is attached to the inner wall of the lower housing 102. Of course, in other embodiments, the cross section of the lower housing 102 may be in any shape such as an oval shape, a diamond shape, a rectangle shape, etc., and the configuration in which the outer contour of the wireless antenna 6 is attached to the inner wall of the lower housing 102 may optimize the arrangement inside the housing 1 as much as possible, and reduce the volume of the wireless vibration sensor to the maximum extent. In addition, the wireless antenna 6 can increase the transmission distance and improve the stability of signal transmission of the communication board 3. The wireless antenna 6 is arranged in the wireless sensor, so that the appearance of the infinite vibration sensor is more concise and attractive.

As shown in fig. 1, 2 and 4, the main board 4 is connected to a switch 7, the lower housing 102 is provided with a through hole 1022 for accommodating the switch 7, and the switch 7 protrudes out of the lower housing 102. The switch 7 is electrically connected to the battery 2 and controls the on/off of a power supply circuit on the motherboard, and of course, in other embodiments, the sensor may also be activated in a wireless remote control manner, which is known in the art and is not described herein.

As shown in fig. 3, in order to make the present invention capable of measuring temperature, the bottom of the lower housing 102 is provided with a slot 1023 for inserting a temperature sensing probe (not shown). Specifically, the sensing end of the temperature sensing probe is disposed in the slot 1023, and the distance between the sensing end and the bottom surface of the lower housing 102 is 2mm, so as to ensure the measurement accuracy.

As shown in fig. 5, the bottom of the lower housing 102 has a connection base 8, and the bottom of the connection base 8 is provided with a set of mounting holes 801 and/or the side walls thereof are formed with threads or have a hexagonal cross section. The mounting hole 801 comprises at least one screw hole coaxial with the mounting hole, and the screw hole can be in threaded connection with a magnet, so that magnetic attraction mounting is realized; connect base 8 can make the utility model discloses can be fixed in other objects through magnetism at least, threaded connection, three kinds of modes of bolt fastening have improved the utility model discloses an applicability and application range. The cross section of the connecting base 8 is preferably polygonal, and in the preferred embodiment, the cross section of the connecting base 8 is hexagonal, and the polygonal structure can prevent the connecting base from rotating.

As shown in fig. 4, a warning light 1024 connected to the main board 4 is further disposed on a side wall of the lower housing 102, and the warning light 1024 is a three-color LED light. The warning lamp 1024 displays different warning contents in different lighting modes, specifically, the warning lamp 1024 flashes at red 2Hz to indicate vibration warning; the warning lamp 1024 flashes in blue at 2Hz to indicate temperature alarm; warning light 1024 with red 1Hz scintillation, shows 2 electric quantities of battery are not enough, have improved the utility model discloses the security and the convenience of in-service use.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. Wireless vibration sensor, its characterized in that: including inside casing (1) that has the cavity, the at least part of casing (1) is non-signal shielding material, casing (1) is inside from last to having set gradually mutual electric connection's battery (2), communication board (3), mainboard (4) and vibration sensing chip down, vibration sensing chip is located the accommodating space's of casing (1) bottom, still be provided with wireless antenna (6) in casing (1), wireless antenna (6) with communication board (3) are connected.

2. The wireless vibration sensor of claim 1, wherein: the shell (1) comprises an upper shell (101) and a lower shell (102) which are assembled, wherein the upper shell (101) is made of plastic, and the lower shell (102) is made of metal.

3. The wireless vibration sensor of claim 1, wherein: the axis of the battery (2) is perpendicular to the axis of the housing (1).

4. The wireless vibration sensor of claim 2, wherein: the battery pack is characterized in that a boss (5) is formed on the bottom surface of the top plate of the upper shell (101), a limiting groove (1025) opposite in position is formed on the side wall of the lower shell (102), and the distance between the groove bottom of the limiting groove (1025) and the bottom surface of the boss (5) is equivalent to the diameter of a battery.

5. The wireless vibration sensor of claim 2, wherein: the shape of the inner wall of the lower shell (102) is matched with that of the wireless antenna (6), a clamping groove (1021) matched with the wireless antenna (6) is formed in the inner wall of the lower shell (102), and the wireless antenna (6) is clamped in the clamping groove (1021).

6. The wireless vibration sensor of claim 5, wherein: the wireless antenna (6) is arc-shaped.

7. The wireless vibration sensor of claim 2, wherein: the main board (4) is connected with a switch (7), a through hole (1022) capable of accommodating the switch (7) is formed in the lower shell (102), and the switch (7) protrudes out of the lower shell (102).

8. The wireless vibration sensor of claim 2, wherein: the groove bottom of the lower shell (102) is provided with a slot (1023) used for embedding the temperature sensing probe.

9. The wireless vibration sensor of claim 8, wherein: the bottom of the lower shell (102) is provided with a connecting base (8), the bottom surface of the connecting base (8) is provided with a group of mounting holes (801) and/or the side wall of the connecting base is provided with threads or the cross section of the connecting base is hexagonal.

10. The wireless vibration sensor of claim 2, wherein: still be provided with on the lateral wall of lower casing (102) with warning light (1024) that mainboard (4) are connected, warning light (1024) are the three-colour LED lamp.