WO2020151395A1

WO2020151395A1 - 3d sensing module and application method

Info

Publication number: WO2020151395A1
Application number: PCT/CN2019/125462
Authority: WO
Inventors: 何仁城
Original assignee: 深圳市大可奇科技有限公司
Priority date: 2019-01-21
Filing date: 2019-12-15
Publication date: 2020-07-30
Also published as: CN110672244B; CN110672244A; CN109738102A

Abstract

A 3D sensing module and an application method. The sensing module comprises a support (1) and a connection part; the support (1) is of a cuboid shape and comprises panels (101) and a support rack (102); the panels (101) are fixed to the support rack (102); the six panels (101) are six surfaces of the cube; a gap is formed between adjacent panels (101); sensors (11) are provided on the panels (101); a communication module (12) is mounted in a space defined by the six panels (101); signal output lines of the sensor (11) are connected to the communication module (12); the connection part comprises a concave connection part (22); at least one connection part is disposed on the outer surfaces of the panels (101). In use, 3D modules are piled up to form a full-scale model of a product according to drawing of the product, the sensors (11) of the 3D sensing module are used for sensitively capturing tension and compression data of an internal force, and pressure data in the model is transmitted to an external control center (5) by means of the communication module (12). The application method of the 3D sensing module facilitates optimization of a product structure, and the mold costs and time are greatly reduced.

Description

3D sensing module and method of use

Technical field

The present invention relates to the technical field of 3D modules, in particular to a 3D sensing module and a method of use.

Background technique

In the product design process, it is often necessary to understand the internal force of the product. However, the prior art generally uses destructive testing to detect the internal force of its structure, and repeats destructive experiments by scaling down. To detect the rationality of the design, this method is very costly and has a long cycle. It is not possible to understand the specific force situation and related details inside the product, and it is not possible to obtain real-time force data of the internal structure.

Summary of the invention

One of the objectives of the present invention is to provide a 3D sensing module to facilitate understanding of the force of the internal structure of the product.

Another object of the present invention is to provide a method for using the 3D sensing module to facilitate understanding of the force of the internal structure of the product.

The objective of the present invention can be achieved by designing a 3D sensing module including a bracket and a connecting part;

The bracket is cubic and includes a panel and a support frame. The panel is fixed on the support frame. The six panels are six sides of the cube. There are gaps between adjacent panels. The panels are equipped with sensors. The communication module is installed on the six panels. In the enclosed space, the signal output line of the sensor is connected to the communication module;

The connecting portion includes a concave connecting portion; at least one connecting portion is provided on the outer surface of the panel.

Further, the connecting part further includes a male connecting part or a connecting rod; the convex end or connecting rod of the male connecting part is inserted into the concave end of the female connecting part of another 3D sensing module and can be fixed by a buckle or thread Connection; when a convex connection is used, a concave connection is provided on one panel, and a convex connection is provided on the opposite panel.

Further, the convex end of the male connecting portion is provided with at least a first signal transmitting interface, a first signal receiving interface, a first power positive port, and a first power negative port; the concave end of the concave connecting portion is at least It is provided with a second signal transmitting interface, a second signal receiving interface, a second power supply positive port, and a second power supply negative port;

When the male connecting part of one sensor module is connected to the female connecting part of another sensor module, the first signal transmitting interface, the first signal receiving interface, the first power positive interface, the first The power negative port is connected to the second signal receiving port, the second signal transmitting port, the second power positive port, and the second power negative port of the concave end of the concave connecting part. The first signal transmitting port sends the sensor of the panel where the convex connecting part is located. The code is coded to the second signal receiving interface of another sensor module, and the first signal receiving interface receives the second signal transmitting interface of another sensor module to send the sensor code of the panel where the concave connection part is located.

Further, the positive power supply interface and the negative power supply interface of each panel connection portion are respectively penetrated by wires to form a power supply line, and the power supply line is connected to the power supply terminal of the communication module.

Further, the material strength of the panel is the same as the material strength of the product to be tested.

Further, the communication module has a unique ID number, and the sensors on each panel have a unique code under the ID number.

Further, the sensor is one or a combination of a tension and pressure sensor, a pressure sensor, a temperature sensor, or a humidity sensor.

Furthermore, the protruding part of the convex connecting part is arranged in a vertically downward pressure elastic recovery structure or an electric or manual lifting structure.

Another objective of the present invention can be achieved by designing a method of using 3D sensing module, including the following steps:

S1: According to the drawings of the product to be tested, stack the 3D sensor modules into an isometric model of the product to be tested;

S2: Connect the power supply through the power cord. The control center establishes a connection with the communication module of each 3D sensor module in the product model under test, records the ID number of each communication module and the connection relationship between the communication modules, and the control center generates a virtual 3D standby Test product model diagram;

S3: The control center receives and records the initial data detected by each surface sensor of each 3D sensor module of the product model to be tested;

S4: Add external test conditions to the product model to be tested, and record sensor detection data on each side of each 3D sensor module during the test;

S5: Calculate the actual force and/or temperature and humidity change data inside the product to be tested in proportion.

Further, step S1 includes:

S11: Adjust the weight of the bracket counterweight according to the density of the product to be tested to achieve the same density of the 3D sensor module as the product to be tested;

S12: According to the drawing of the product to be tested, the male connection part of the 3D sensor module is connected with the female connection part of the 3D sensor module, and the isometric model of the product under test is stacked.

The invention transmits the pressure data inside the model to the external control center through the communication module, and the user can calculate the actual force data inside the product according to the data of the control center in proportion; it is very helpful for optimizing the product structure; greatly reducing It reduces mold cost and time.

Description of the drawings

Figure 1 is a schematic diagram of a preferred embodiment of the present invention.

Description of Reference Signs: 1. Bracket; 2. Connecting part; 3. Indicator light module; 4. Power cord; 5. Control center; 11. Sensor; 12. Communication module; 13. Counterweight installation position; 21. Convex shape 22. Concave connector; 101, panel; 102, support frame; 211, first signal transmitting interface; 212, first signal receiving interface; 213, first power positive port; 214, first power negative port 221, the second signal transmitting interface; 222, the second signal receiving interface; 223, the second power supply positive port; 224, the second power supply negative port.

detailed description

The present invention will be further described below in conjunction with embodiments.

As shown in Figure 1, a 3D sensing module includes a bracket 1 and a connecting portion 2. The bracket 1 is in a cubic shape and includes a panel 101 and a support frame 102. The panel 101 is fixed on the support frame 102, and six panels 101 are cubes. There is a gap between adjacent panels on the six sides of the panel. The panel 101 is provided with a sensor 11, the communication module 12 is installed in the space enclosed by the six panels, and the signal output line of the sensor 11 is connected to the communication module 12; 2 includes a concave connecting portion 22; at least one connecting portion 2 is provided on the outer surface of the panel 101. In one embodiment, the support frame 102 is cross-shaped, and the panel 101 is fixed on each end surface of the support frame 102.

The sensor 11 is installed between the panel 101 and the bracket 102, and the connecting part is fixed on the outer surface of the panel 101. The area of the sensor 11 is smaller than the area of the panel 101.

Alternatively, when the sensor 11 is a tension/compression sensor or a pressure sensor, the sensor 11 is fixed on the outer surface of the panel 101, the connecting portion 2 is fixed on the sensor 11, and the connecting portion 2 covers the sensor 11.

The connecting part 2 also includes a male connecting part 21 or a connecting rod; the convex end or connecting rod of the male connecting part 21 is inserted into the concave end of the female connecting part of another 3D sensing module and can be connected by a buckle or thread When using a convex connection, a concave connection 22 is provided on one panel, and a convex connection 21 is provided on the opposite panel. If a concave connection 22 is provided on the front panel, a convex connection is provided on the rear panel Connecting portion 21; a concave connecting portion 22 is provided on the left panel, and a convex connecting portion 21 is provided on the right panel.

When the male connection part is adopted, the convex end of the male connection part 21 is provided with at least one first signal transmitting interface 211, one first signal receiving interface 212, one first power positive interface 213, and one first power negative interface 214. The concave end of the concave connecting portion 22 is provided with at least a second signal transmitting interface 221, a second signal receiving interface 222, a second power positive port 223, and a second power negative port 224.

When the male connecting part of one sensor module is connected to the female connecting part of another adjacent sensor module, the first signal transmitting interface 211, the first signal receiving interface 212, and the first power supply of the convex end of the male connecting part 21 The positive port 213 and the first power negative port 214 are respectively connected to the second signal receiving port 222, the second signal transmitting port 221, the second power positive port 223, and the second power negative port 224 of the concave end of the concave connecting portion 22. The signal transmitting interface sends the sensor code of the panel where the male connection part is located to the second signal receiving interface of another sensor module, and the first signal receiving interface receives the second signal transmission interface of the other sensor module and sends the panel where the female connection part is located Sensor code. The signal receiving interface sends the received sensor code to the control center 5 through the communication module 12.

The protruding part of the convex connecting part is arranged in a vertically downward pressure elastic recovery structure or an electric or manual lifting structure. This structure can be adapted to certain test occasions where the appearance of the product to be tested cannot be protruding. When the convex part of the convex connecting part is an electric lifting structure, the power cord 4 is connected to the motor, and the communication module 12 controls the start and stop of the motor. In one embodiment, the electric lifting structure is a screw motor, and the lifting of the screw is controlled by controlling the forward and reverse directions of the motor, and the screw is connected to the corresponding concave connection part through the thread.

When bus communication is used, at least one bus interface is provided on the convex end of the male connecting portion 21, and at least one bus interface is also provided on the concave end of the female connecting portion 22, and a bus is provided in the cube to connect to each panel The bus interface of the part is connected, and the communication module 12 is connected to the bus. When the male connecting part of one sensor module is connected to the female connecting part of another adjacent sensor module, the bus interface of the male connecting part 21 is connected to the bus interface of the female connecting part 22 of another adjacent sensor module. The connection is on. When the female connection part of one sensor module is connected to the male connection part of another adjacent sensor module, the bus interface connection is also conducted.

When a connecting rod is used, the concave end of the concave connecting part is provided with at least one second signal transmitting interface, one second signal receiving interface, one second power positive interface, and one second power negative interface; at least one is provided on the top of the connecting rod A third signal transmitting interface, a third signal receiving interface, a third power positive port, and a third power negative port.

When the connecting rod is connected to the concave connecting portion, the third signal transmitting interface, the third signal receiving interface, the third power positive port, and the third power negative port on the top of the connecting rod are respectively connected to the second signal receiving port at the concave end of the concave connecting portion , The second signal transmission interface, the second power supply positive port, and the second power supply negative port are correspondingly connected, and the concave connecting part of one sensor module is connected with the concave connecting part of another adjacent sensor module through a connecting rod and transmitted Data and power.

When the bus communication mode is adopted in the connecting rod connection mode, at least one bus interface is provided at the recessed end of the concave connecting portion 22, and the bus is provided in the cube to connect the bus interface of each panel connection portion, and the communication module 12 is connected to the bus connection. At least one bus interface is provided at the top of the connecting rod. When the concave connecting part of one sensor module is connected with the concave connecting part of another adjacent sensor module by a connecting rod, the bus interface of the connecting rod will be the bus interface of the concave connecting part 22 of two adjacent sensor modules. The connection is on.

The 3D sensing module also includes an indicator light module 3, a power cord 4, and a control center 5; the indicator light module 3 is arranged inside the support 1; the control center 5 is arranged outside the 3D sensing module.

The power supply positive port and the power supply negative port of each panel connection portion are respectively penetrated by wires to form a power supply line 4, and the power supply line 4 is connected to the power supply end of the communication module 12.

In this embodiment, the communication module 12 is a wireless communication module. The sensor 11 is electrically connected to a wireless communication module, and the indicator module 3 is electrically connected to the wireless communication module; the wireless communication module is connected to the control center 5 through electrical signals, and transmits data to the control center 5 in real time.

The material strength of the panel 101 and the material strength of the connecting portion 2 are the same as the material strength of the simulated product to be tested, which makes the test data more accurate.

The communication module has a unique ID number, and the sensors on each panel have a unique code under the ID number. Facilitate the accurate positioning of sensor data.

The supporting frame 102 is provided with a counterweight installation position 13 for adjusting the weight of the sensor module. The counterweight installation position 13 can also be a storage space; when counterweighting, the counterweight block or counterweight particles are placed in the storage space to achieve the purpose of the counterweight. The sensor 11 is one or a combination of a tension and pressure sensor, a pressure sensor, a temperature sensor, or a humidity sensor. When the sensor 11 is a temperature sensor or a humidity sensor, the sensor 11 is arranged in the internal space of the bracket 1. In this embodiment, the sensor 11 is a tension and compression sensor.

A method for using a 3D sensing module includes the following steps:

S1: According to the drawing of the product to be tested, the 3D sensor module is stacked into an isometric model of the product to be tested.

Step S1 includes: S11: adjust the weight of the counterweight of the bracket according to the density of the product to be tested to achieve the same density of the 3D sensor module as the product to be tested; S12: according to the drawing of the product to be tested, the convex connecting part of the 3D sensor module It is connected with the concave connection part of the 3D sensing module and stacked to form an isometric model of the product to be tested. On the outer surface of the model, a convex connection part or a concave connection part can be separately provided to form a standardized and smooth surface, and the gaps on the surface can be sealed.

S3: The control center receives and records the initial sensor detection data of each surface of each 3D sensor module of the model;

S4: Add external test conditions to the product model to be tested, and record the real-time detection data of sensors on each side of each 3D sensing module during the test;

S5: Calculate the actual force and/or temperature and humidity change data inside the product in proportion.

The present invention stacks 3D modules into an isometric model of the product according to the drawings of the product. The sensors of each 3D sensing module sensitively capture the tension and compression data of the internal force, and transmit the pressure data inside the model to the external control center through the communication module , The user can calculate the actual force, temperature and humidity inside the product according to the data of the control center; it is very helpful for optimizing the product structure; greatly reducing the cost and time of the mold.

Claims

A 3D sensing module, characterized in that it comprises a bracket and a connecting part;

The bracket is cubic and includes a panel and a support frame. The panel is fixed on the support frame. The six panels are six sides of the cube. There are gaps between adjacent panels. The panels are equipped with sensors. The communication module is installed on the six panels. In the enclosed space, the signal output line of the sensor is connected to the communication module;

The connecting portion includes a concave connecting portion; at least one connecting portion is provided on the outer surface of the panel.
The 3D sensing module according to claim 1, wherein the connecting part further comprises a male connecting part or a connecting rod; the convex end of the male connecting part or the connecting rod is inserted into the female connection of another 3D sensing module The concave end of the part can be fixedly connected by a buckle or thread; when a convex connection part is used, a concave connection part is provided on one panel, and a convex connection part is provided on the opposite panel.
The 3D sensor module according to claim 2, wherein the convex end of the male connecting portion is provided with at least one first signal transmitting interface, one first signal receiving interface, one first power positive interface, and one first signal receiving interface. A power supply negative port; the concave end of the concave connecting portion is provided with at least a second signal transmitting port, a second signal receiving port, a second power supply positive port, and a second power supply negative port;

When the male connecting part of one sensor module is connected to the female connecting part of another sensor module, the first signal transmitting interface, the first signal receiving interface, the first power positive interface, the first The power negative port is respectively connected to the second signal receiving port, the second signal transmitting port, the second power positive port, and the second power negative port on the concave end of the concave connecting part. The first signal transmitting port transmits the information of the panel where the convex connecting part is located. The sensor is coded to the second signal receiving interface of another sensor module, and the first signal receiving interface receives the second signal transmitting interface of another sensor module to send the sensor code of the panel where the concave connection part is located.
The 3D sensing module according to claim 2, wherein the concave end of the concave connecting portion is provided with at least one second signal transmitting interface, one second signal receiving interface, one second power positive interface, and one second signal receiving interface. Power supply negative port; the top of the connecting rod is provided with at least a third signal transmitting port, a third signal receiving port, a third power supply positive port, and a third power supply negative port;

When the connecting rod is connected to the concave connecting portion, the third signal transmitting interface, the third signal receiving interface, the third power positive port, and the third power negative port on the top of the connecting rod are respectively connected to the second signal receiving port at the concave end of the concave connecting portion , The second signal transmission interface, the second power supply positive port, and the second power supply negative port are correspondingly connected. The concave connection part of one sensor module and the concave connection part of the other sensor module are connected through a connecting rod and transmit data and power. .
The 3D sensing module according to claim 3 or 4, wherein the positive power supply interface and the negative power supply interface of each panel connection part are respectively penetrated by wires to form a power line, and the power line is connected to the power terminal of the communication module.
The 3D sensing module according to claim 1, wherein the material strength of the panel is the same as the material strength of the product to be tested.
The 3D sensor module according to claim 1, wherein the communication module has a unique ID number, and the sensors on each panel have a unique code under the ID number.
The 3D sensing module according to claim 1, wherein the supporting frame is provided with a counterweight installation position.
The 3D sensing module according to claim 1, wherein the sensor is one or a combination of a tension and pressure sensor, a pressure sensor, a temperature sensor, or a humidity sensor.
The 3D sensing module according to claim 2 or 3, wherein the protruding part of the convex connecting part is arranged in a vertically downward pressure elastic recovery structure or an electric or manual lifting structure.
A method for using a 3D sensing module is characterized in that it includes the following steps:

S1: According to the drawings of the product to be tested, stack the 3D sensing module of any one of claims 1 to 10 into an isometric model of the product to be tested;

S2: Connect the power supply through the power cord. The control center establishes a connection with the communication module of each 3D sensor module in the product model under test, records the ID number of each communication module and the connection relationship between the communication modules, and the control center generates a virtual 3D standby Test product model diagram;

S3: The control center receives and records the initial data detected by the sensors on each side of each 3D sensor module of the product model to be tested;

S4: Add external test conditions to the product model to be tested, and record the test data detected by the sensors on each side of each 3D sensor module during the test;

S5: Calculate the actual force and/or temperature and humidity change data inside the product in proportion.
The method of using the 3D sensing module according to claim 11, wherein step S1 comprises:

S11: Adjust the weight of the bracket counterweight according to the density of the product to be tested to achieve the same density of the 3D sensor module as the product to be tested;

S12: According to the drawing of the product to be tested, the male connection part of the 3D sensor module is connected with the female connection part of the 3D sensor module, and the isometric model of the product under test is stacked.