CN214121287U

CN214121287U - Intelligent composite sensing system

Info

Publication number: CN214121287U
Application number: CN202120366087.XU
Authority: CN
Inventors: 李思华; 陈伟琪; 杨楚杰
Original assignee: Tangzhi Science & Technology Hunan Development Co ltd
Current assignee: Tangzhi Science & Technology Hunan Development Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-09-03
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses an intelligence compound sensing system, include: the sensor comprises at least two sensor bodies which are connected in series, wherein at least one side of each sensor body is provided with a connector, the connectors on the adjacent sensor bodies are connected through signal lines, and at least one sensor body is in signal connection with a control system. The utility model provides an intelligence composite sensing system is through establishing ties all sensor bodies to with at least one sensor body and control system signal connection, can select the quantity with the sensor body of control system signal connection according to actual installation condition, when all sensor bodies establish ties with control system, adopt a signal line can be with the signal transmission of all sensor bodies to control system, need not to connect every sensor body in control system one by one, the connection of circuit has been simplified, be convenient for arrange.

Description

Intelligent composite sensing system

Technical Field

The utility model relates to a wind power generation technical field, more specifically say, relate to an intelligent composite sensing system.

Background

When vibration, impact and temperature signal monitoring to fan tower section of thick bamboo and blade, adopt wind-powered electricity generation blade sensor to monitor usually, because the volume of fan tower section of thick bamboo and blade is great, need all set up wind-powered electricity generation blade sensor in different positions and monitor, and because the structural constraint of sensor, every sensor all need be connected alone through circuit and host computer alone, and the circuit is complicated, be difficult for arranging.

In summary, how to simplify the line connection and reduce the layout difficulty is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an intelligent composite sensing system, this intelligent composite sensing system's all sensor bodies adopt series connection to can establish ties with control system, simplify the line connection, reduce and arrange the degree of difficulty.

In order to achieve the above object, the present invention provides the following technical solutions:

an intelligent composite sensing system, comprising: the sensor comprises at least two sensor bodies which are connected in series, wherein at least one side of each sensor body is provided with a connector, the connectors on the adjacent sensor bodies are connected through signal lines, and at least one sensor body is in signal connection with a control system.

Preferably, the connector is arranged on one side of the sensor body at the first end, the connectors are arranged on two sides of the rest of the sensor bodies, the connector on one side of the sensor body at the second end is connected with one adjacent connector on the sensor body, and the connector on the other side is in signal connection with the control system.

Preferably, the sensor body comprises a base, a shell is arranged on the base, and a sensing assembly is arranged in the shell.

Preferably, first mounting holes are formed in two sides of the shell of the sensor body at the first end, one first mounting hole is provided with the connector, and the other first mounting hole is provided with a hole plugging device.

Preferably, a second mounting hole is provided at a side of the housing of the sensor body at the first end, and the connector is disposed in the second mounting hole.

Preferably, the hole plugging device comprises a plug and a fastener for installing the plug, the plug is inserted into the shell along the outer side of the first installation hole, and the fastener locks the plug along the inner side of the first installation hole.

Preferably, the plug comprises a top plate and a rod portion arranged on the inner side of the top plate, the rod portion is inserted into the first mounting hole, an external thread is arranged on the periphery of the rod portion, and the fastening piece is a first locking nut installed in a matched mode with the external thread.

Preferably, after the first locking nut locks the rod part, the outer side surface of the top plate and the outer end surface of the first mounting hole are in the same plane.

Preferably, a first sealing ring is arranged between the top plate and the first mounting hole.

Preferably, the connector comprises a connector body and a second locking nut, the first mounting hole for mounting the connector is a stepped hole, an annular protrusion is arranged on the periphery of the connector body, the stepped hole comprises a through hole and a step arranged on the outer end face of the through hole, the connector body penetrates through the through hole, and the second locking nut is locked on the step.

Preferably, a second sealing ring is arranged between the annular protrusion and the inner end face of the first mounting hole.

Preferably, a washer is disposed between the second lock nut and the step.

Preferably, the bottom surface of shell sets up the opening, open-ended terminal surface with the base is connected, set up the annular groove on the open-ended terminal surface, set up the third sealing washer in the annular groove.

Preferably, the sensing assembly comprises two parallel mounting bars and a PCB arranged on the two mounting bars, the two mounting bars are detachably connected with the base, and the PCB is detachably connected with the two mounting bars.

Preferably, the mounting bar is connected with the base through bolts, and the PCB is respectively connected with the two mounting bars through bolts.

Preferably, a preset wiring range is set on the PCB.

Preferably, the PCB board is an i-shaped board, one side of the preset wiring range is flush with one side of the i-shaped board, and the other side of the preset wiring range is flush with the other side of the i-shaped board.

Preferably, a third mounting hole is provided on the base outside the housing.

The utility model provides an intelligence composite sensing system is through establishing ties all sensor bodies to with at least one sensor body and control system signal connection, can select the quantity with the sensor body of control system signal connection according to actual installation condition, when all sensor bodies establish ties with control system, adopt a signal line can be with the signal transmission of all sensor bodies to control system, need not to connect every sensor body in control system one by one, the connection of circuit has been simplified, be convenient for arrange.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded view of a sensor body, a plugging device and a connector provided by the present invention;

fig. 2 is an installation diagram of the sensor body and the connector provided by the present invention;

fig. 3 is a schematic view of a gasket disposed inside the second lock nut provided by the present invention;

fig. 4 is a schematic view of the hole plugging device provided by the present invention being flush with the outer side surface of the sensor body after installation;

fig. 5 is a schematic view of a lower portion of a housing provided by the present invention;

fig. 6 is an exploded view of the hole plugging device and the housing according to the present invention;

fig. 7 is an exploded view of the sensing assembly and the base provided by the present invention;

fig. 8 is a schematic view of a connector provided by the present invention.

In FIGS. 1-8:

the sealing structure comprises a plug 1, a first sealing ring 2, a first locking nut 3, a shell 4, a gasket 5, an annular protrusion 6, a third sealing ring 7, a PCB 8, a connecting bolt 9, a base 10, a mounting bar 11, a second locking nut 12, a connector 13, a step 14, a first mounting hole 15, an annular groove 16, a top plate 17, a rod part 18, a preset wiring range 19, a third mounting hole 20 and a second sealing ring 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

The core of the utility model is to provide an intelligence compound sensing system, this intelligence compound sensing system's all sensor bodies adopt series connection to can establish ties with control system, simplified the line connection, reduced and arranged the degree of difficulty.

Referring to fig. 1 to 8, an intelligent composite sensing system includes: the sensor comprises at least two sensor bodies which are connected in series, wherein at least one side of each sensor body is provided with a connector 13, the connectors 13 on the adjacent sensor bodies are connected through signal lines, and at least one sensor body is in signal connection with a control system.

It should be noted that the sensor bodies are used for monitoring vibration, impact and temperature signals of the tower drum and the blades of the fan, the connector 13 is used for installing a signal line, the signal line is installed on the connectors 13 of the two adjacent sensor bodies, one or more sensor bodies can be in signal connection with the control system, the specific installation condition can be set according to the actual installation environment, and when one sensor body is connected with the control system, all the sensor bodies are connected with the control system in series.

The sensor body is mounted on the tower drum and the blades of the fan in a fitting mode, the mounting mode can be achieved through bolts, and signals monitored by the sensor body are transmitted to the control system along signal lines.

On the basis of the above embodiment, it is further preferable that one side of the sensor body at the first end is provided with a connector 13, both sides of the other sensor bodies are provided with connectors 13, the connector 13 at one side of the sensor body at the second end is connected with one connector 13 on the adjacent sensor body, and the connector 13 at the other side is in signal connection with the control system.

It should be noted that all the sensor bodies are arranged in series, the sensor bodies at the two ends are respectively a sensor body at the first end and a sensor body at the second end, the sensor body at the first end only needs to be connected with another sensor body, so that only one side needs to be provided with the connector 13, the rest sensor bodies are both provided with the connectors 13 at the two sides, the connectors 13 at the two sides of the two adjacent sensor bodies are connected through a signal line, the connector 13 at one side of the sensor body at the second end is connected with the connector 13 of the other sensor body through a signal line, the connector 13 at the other side is in signal connection with the control system through a signal line, and all the sensor bodies are connected with the control system in series.

On the basis of the above embodiment, as a further preferred, the sensor body includes a base 10, the base 10 is provided with a housing 4, and the housing 4 is provided with a sensing component.

It should be noted that the base 10 is plate-shaped, a cavity is arranged inside the housing 4, the outer surface of the housing 4 may be in the shape of a cuboid, a cube, or the like, the housing 4 is installed on the upper portion of the base 10, the base 10 is used for being installed on a blade or a fan tower, the sensing component is arranged in the housing 4, vibration and impact information of the blade or the fan tower can be transmitted to the sensing component along the base 10, and the housing 4 and the base 10 can protect the internal sensing component from being interfered by other external factors.

Preferably, the shell 4 is connected with the base 10 through the connecting bolts 9, the number of the connecting bolts 9 is four, and two connecting bolts 9 are respectively arranged on two sides of the shell 4 and the base 10 to ensure the connecting strength between the shell 4 and the base 10.

In the first embodiment with respect to the housing 4 of the sensor body, the first mounting holes 15 are provided on both sides of the housing 4 of the sensor body at the first end, one first mounting hole 15 being provided with the connector 13 and the other first mounting hole 15 being provided with the hole blocking means.

It should be noted that the size and shape of the first mounting holes 15 may be set according to the structure of the connector 13, the two first mounting holes 15 are respectively disposed on two sides of the housing 4, the two first mounting holes 15 may be disposed on the same straight line, or the two first mounting holes 15 may be disposed with an included angle according to the disposed positions of the adjacent sensor bodies, so that the intelligent composite sensing system may be applied to the installation of various scenes.

In this embodiment, the shell 4 both sides of sensor body all set up first mounting hole 15, because the sensor body of first end only needs the sensor body connection adjacent with one side, the first mounting hole 15 of opposite side can adopt the stifled hole device to plug up, prevents that factors such as external aqueous vapor from damaging sensing element in getting into the sensor body to the shell 4 of all sensor bodies all can adopt same kind of structure, the processing of being convenient for.

In the second embodiment with respect to the housing 4 of the sensor body, a second mounting hole is provided in the side of the housing 4 of the sensor body at the first end, and the connector 13 is provided in the second mounting hole.

It should be noted that, in this embodiment, the housing 4 of the sensor body at the first end is provided with the second mounting hole only at one side, and the mounting holes are not processed at other side surfaces, so that the plug 1 is not required to be separately provided, the structure is simplified, and the housing 4 provided with the second mounting hole only at one side has stronger sealing performance.

When the structure of the housing 4 provided in the first embodiment is adopted, preferably, the hole plugging device includes a plug 1 and a fastener for installing the plug 1, the plug 1 is inserted into the housing 4 along the outer side of the first installation hole 15, and the fastener locks the plug 1 along the inner side of the first installation hole 15.

It should be noted that, inside plug 1 inserted into housing 4 along first mounting hole 15, insertion length can be set according to practical application, because the inside sensing component that sets up of housing 4, the length that plug 1 inserted into the inside of housing 4 should not set up the overlength to prevent touching sensing component, fastener is by the inside locking plug 1 of housing 4, can install plug 1 in first mounting hole 15 earlier, install housing 4 to base 10 again. The hole blocking device provided by the embodiment is simple in structure and convenient to install.

In one embodiment of the plug 1 and the fastening member, preferably, the plug 1 includes a top plate 17 and a rod 18 disposed inside the top plate 17, the rod 18 is inserted into the first mounting hole 15, an outer circumference of the rod 18 is provided with an external thread, and the fastening member is the first lock nut 3 mounted in a matching manner with the external thread.

It should be noted that, the structure of the top plate 17 may be set according to the structure of the first mounting hole 15, the top plate 17 may be press-mounted on the outer end surface of the first mounting hole 15, and may also enter into the first mounting hole 15, and a limiting structure is provided in the first mounting hole 15, the pressing plate is pressed on the limiting structure, the rod portion 18 is inserted into the housing 4 along the first mounting hole 15, after the plug 1 is installed into the first mounting hole 15 along the outside, the plug 1 is locked by using the first locking nut 3, so that the top plate 17 and the first locking nut 3 clamp both sides of the first mounting hole 15, thereby blocking the first mounting hole 15.

In order to improve the appearance integrity of the sensor body, after the first locking nut 3 locks the rod part 18, the outer side surface of the top plate 17 is in the same plane with the outer end surface of the first mounting hole 15. It should be noted that, a limiting structure is arranged in the first mounting hole 15, after the plug 1 is inserted into the first mounting hole 15, the inner side of the top plate 17 is attached to the limiting structure, and the outer side surface is flush with the outer end surface of the first mounting hole 15, and there is no protruding structure.

In order to improve the sealing performance of the first mounting hole 15, a first seal ring 2 is provided between the top plate 17 and the first mounting hole 15. It should be noted that the first sealing ring 2 may be a first O-ring, the material may be made of rubber or silica gel, after the rod portion 18 is locked, the top plate 17 compresses the first sealing ring 2 to seal the gap between the top plate 17 and the first mounting hole 15, so as to prevent external factors such as moisture and dust from entering the inside of the housing 4 along the first mounting hole 15, and the waterproof grade may reach IP 67.

On the basis of the above embodiment, as a further preferable mode, the connector 13 includes a connector body and the second lock nut 12, the first mounting hole 15 for mounting the connector 13 is a stepped hole, the outer periphery of the connector body is provided with the annular protrusion 6, the stepped hole includes a through hole and a step 14 provided on the outer end face of the through hole, the connector body passes through the through hole, and the second lock nut 12 is locked on the step 14.

It should be noted that, the step 14 of the stepped hole faces the outside of the first mounting hole 15, the outer periphery of the connector body is provided with an external thread, the inner end of the connector body is provided with the annular protrusion 6, the connector body is inserted into and protrudes out of the outer end face of the first mounting hole 15 along the inside of the first mounting hole 15, the maximum width of the outer peripheral profile of the lock nut is smaller than the maximum diameter of the step 14, the step 14 is recessed inward along the outside of the first mounting hole 15, and the inner side face of the second lock nut 12 is attached to the step 14, so that the annular protrusion 6 and the second lock nut 12 are clamped on two sides of the first mounting hole 15, and the connector body is mounted. The middle part of the connector body is provided with a shaft hole, and a signal wire is inserted into the shell along the shaft hole and is in signal connection with the sensing assembly.

In order to improve the sealing performance of the first mounting hole 15 to which the connector body is mounted, a second seal ring 21 is provided between the annular protrusion 6 and the inner end surface of the first mounting hole 15. Second sealing washer 21 can be the second O shape circle, and the material can adopt rubber or silica gel preparation, and the connector body is after locking, and annular bulge 6 compresses tightly second sealing washer 21 to seal the space between annular bulge 6 and the interior terminal surface of first mounting hole 15, prevent that external factors such as aqueous vapor and dust from getting into inside the shell 4 along first mounting hole 15, and waterproof grade can reach IP 67.

To prevent the second lock nut 12 from scratching the outer surface of the step 14 of the first mounting hole 15 during tightening, a washer 5 is provided between the second lock nut 12 and the step 14. The gasket 5 is a flat gasket 5, and after the gasket 5 is installed, the force bearing area of the step 14 is increased, so that the damage degree to the surface of the step 14 is reduced.

In addition to the above embodiments, it is further preferable that the bottom surface of the housing 4 is provided with an opening, an end surface of the opening is connected to the base 10, an annular groove 16 is provided on the end surface of the opening, and the third seal ring 7 is provided in the annular groove 16.

It should be noted that, annular groove 16 sets up along open-ended terminal surface, third sealing washer 7 sets up in annular groove 16, installation back protrusion annular groove 16, the bottom surface of shell 4 compresses tightly on base 10, opening and base 10 extrude third sealing washer 7 jointly, make the space between the sealed opening of third sealing washer 7 and the base 10, the inside leakproofness of shell 4 has been promoted, prevent that external factors such as aqueous vapor and dust from getting into inside shell 4 along first mounting hole 15, waterproof grade can reach IP 67.

On the basis of the above embodiment, as a further preferred option, the sensing assembly includes two parallel mounting bars 11 and a PCB 8 disposed on the upper portions of the two mounting bars 11, the two mounting bars 11 are detachably connected with the base 10, and the PCB 8 is detachably connected with the two mounting bars 11.

It should be noted that, the two mounting bars 11 are rectangular, the length directions of the two mounting bars 11 are parallel, the upper surfaces of the two mounting bars 11 are located on the same plane, the bottom surface of the PCB 8 is respectively attached to the two mounting bars 11, and the PCB 8 is detachably connected to the two mounting bars 11, so that the PCB 8 and the sensitive elements mounted on the PCB 8 can be timely replaced or maintained when the sensitive elements fail.

In order to facilitate the installation of the mounting bars 11 and the PCB board 8, the mounting bars 11 are bolted to the base 10, and the PCB board 8 is bolted to the two mounting bars 11 respectively. It should be noted that, four screw holes are formed in each mounting bar 11, two screw holes are formed in one end of each mounting bar 11, the other two screw holes are formed in the other end of each mounting bar 11, four mounting holes are formed in the PCB 8, two screw holes in the same mounting bar 11 are mounted on the base 10 through two bolts, the other two screw holes are arranged corresponding to the two mounting holes in the PCB 8, and the two bolts penetrate through the two mounting holes in the PCB 8 and the screw holes in the mounting bars 11 respectively to mount the PCB 8 on the mounting bars 11.

Preferably, the two mounting holes for connecting the mounting bar 11 and the base 10 by bolts are counter bores, and after the two bolts are mounted, the top surface is lower than or equal to the upper end surface of the counter bore, so that the bolts do not protrude out of the counter bores to support the PCB 8, and signals can be effectively transmitted. The PCB board 8 is rigidly connected by screws, which is beneficial for the chip on the PCB board 8 to receive sensitive signals.

In addition to the above embodiments, it is further preferable that the PCB board 8 is provided with a preset wiring range 19.

It should be noted that, in order to clearly illustrate the preset wiring range 19, the preset wiring range 19 may be indicated by a line, and the circuit is wired within the line range and cannot exceed the line range, so as to satisfy the insulation distance.

On the basis of the above embodiment, as a further preferable mode, the PCB board 8 is an i-shaped board, one side of the preset wiring range 19 is flush with one side of the i-shaped board, and the other side of the preset wiring range 19 is flush with the other side of the i-shaped board.

It should be noted that the PCB board 8 is an i-shaped board, two outward protrusions are respectively disposed on two sides of the i-shaped board, and the mounting holes are respectively disposed on the four protrusions, and are correspondingly disposed with the screw holes on the two mounting bars 11, and are connected by bolts. The wiring range is respectively flush with the two sides of the I-shaped plate so as to be connected with the signal wire.

In addition to the above embodiments, it is further preferable that the third mounting hole 20 is provided in the base 10 outside the housing 4.

It should be noted that the third mounting holes 20 are respectively disposed on two sides of the base 10, the number of the third mounting holes 20 may be four, and two third mounting holes 20 are respectively disposed on two sides of the base 10, so as to stably mount the base 10, avoid the base 10 from shaking, and balance the stress of the base 10.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides an intelligence composite sensing system has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An intelligent composite sensing system, comprising: the sensor comprises at least two sensor bodies which are connected in series, wherein at least one side of each sensor body is provided with a connector (13), the connectors (13) on the adjacent sensor bodies are connected through signal lines, and at least one sensor body is in signal connection with a control system.

2. The intelligent composite sensing system of claim 1, wherein the connector (13) is provided on one side of the sensor body at a first end, the connectors (13) are provided on both sides of the remaining sensor bodies, the connector (13) on one side of the sensor body at a second end is connected to one of the connectors (13) on the adjacent sensor body, and the connector (13) on the other side is in signal connection with the control system.

3. The intelligent composite sensing system of claim 2, wherein the sensor body comprises a base (10), a housing (4) is disposed on the base (10), and a sensing assembly is disposed within the housing (4).

4. The intelligent composite sensing system according to claim 3, wherein first mounting holes (15) are provided on both sides of the housing (4) of the sensor body at the first end, one of the first mounting holes (15) being provided with the connector (13), and the other of the first mounting holes (15) being provided with a hole plugging device.

5. The intelligent composite sensing system of claim 3, wherein a second mounting hole is provided in a side of the housing (4) of the sensor body at the first end, the connector (13) being disposed in the second mounting hole.

6. The intelligent composite sensing system according to claim 4, wherein the hole plugging device comprises a plug (1) and a fastener for installing the plug (1), the plug (1) is inserted into the shell (4) along the outer side of the first installation hole (15), and the fastener locks the plug (1) along the inner side of the first installation hole (15).

7. The intelligent composite sensing system according to claim 6, wherein the plug (1) comprises a top plate (17) and a rod part (18) arranged on the inner side of the top plate (17), the rod part (18) is inserted into the first mounting hole (15), an external thread is arranged on the periphery of the rod part (18), and the fastener is a first lock nut (3) matched with the external thread for mounting.

8. The intelligent composite sensing system according to claim 7, wherein after the first locking nut (3) locks the rod portion (18), the outer side surface of the top plate (17) is in the same plane with the outer end surface of the first mounting hole (15).

9. The intelligent composite sensing system according to claim 7, wherein a first sealing ring (2) is arranged between the top plate (17) and the first mounting hole (15).

10. The intelligent composite sensing system according to claim 4, wherein the connector (13) comprises a connector body and a second locking nut (12), the first mounting hole (15) for mounting the connector (13) is a stepped hole, the outer periphery of the connector body is provided with an annular protrusion (6), the stepped hole comprises a through hole and a step (14) arranged on the outer end face of the through hole, the connector body passes through the through hole, and the second locking nut (12) is locked on the step (14).

11. The intelligent composite sensing system according to claim 10, wherein a second sealing ring (21) is arranged between the annular protrusion (6) and the inner end surface of the first mounting hole (15).

12. The intelligent composite sensing system of claim 10, wherein a spacer (5) is provided between the second lock nut (12) and the step (14).

13. The intelligent composite sensing system according to any one of claims 3 to 12, wherein an opening is arranged on the bottom surface of the housing (4), the end surface of the opening is connected with the base (10), an annular groove (16) is arranged on the end surface of the opening, and a third sealing ring (7) is arranged in the annular groove (16).

14. The intelligent composite sensing system of claim 13, wherein the sensing assembly comprises two parallel mounting bars (11) and a PCB (8) disposed on the two mounting bars (11), the two mounting bars (11) are detachably connected to the base (10), and the PCB (8) is detachably connected to the two mounting bars (11).

15. The intelligent composite sensing system of claim 14, wherein the mounting bar (11) is bolted to the base (10), and the PCB board (8) is bolted to both mounting bars (11), respectively.

16. The intelligent composite sensing system of claim 14, wherein a preset wiring range (19) is provided on the PCB board (8).

17. The intelligent composite sensing system of claim 16, wherein the PCB board (8) is an i-shaped board, one side of the preset wiring range (19) is flush with one side of the i-shaped board, and the other side of the preset wiring range (19) is flush with the other side of the i-shaped board.

18. The intelligent composite sensing system according to claim 3, wherein a third mounting hole (20) is provided on the base (10) outside the housing (4).