CN216978217U - Stress sensing device and intelligent equipment - Google Patents

Abstract

The utility model provides a stress sensing device and intelligent equipment. The stress sensing device comprises a shell, a stress part, at least one tension sensor and a signal processing circuit, wherein the stress part is connected with the shell and exposed out of the shell, the tension sensor is installed on the shell and connected with the stress part, and the signal processing circuit is installed on the shell and electrically connected with the tension sensor, so that a user can conveniently know the acting force detected by the stress sensing device, the user can conveniently perform corresponding adjustment operation, and the adjustment operation is more targeted.

Description

Stress sensing device and intelligent equipment

Technical Field

The utility model relates to the technical field of intelligent equipment accessories, in particular to a stress sensing device and intelligent equipment.

Background

The backpack, the baby carriage or the safety seat on the market at present generally adopt an elastic band so that a user can conveniently adjust the elastic band according to use feeling, but generally, when the user adjusts the elastic band by means of self feeling, the adjustment operation is relatively random, and risks can be brought to the user. For example, when a user uses a backpack, the user often has unbalanced stress on the left and right shoulders due to the random adjustment of the elastic belts; or the elastic band of the safety seat is adjusted randomly to cause the elastic band to be too loose or too tight, so that the effect which needs to be achieved cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a stress induction device and intelligent equipment, which are used for improving at least one problem.

The embodiment of the utility model achieves the above object by the following technical solutions.

In a first aspect, an embodiment of the present invention provides a force sensing device, where the force sensing device includes a housing, a force receiving portion, at least one tension sensor, and a signal processing circuit, the force receiving portion is connected to and exposed from the housing, the tension sensor is mounted on the housing and connected to the force receiving portion, and the signal processing circuit is mounted on the housing and connected to the tension sensor through a signal.

In some embodiments, the force-bearing portion includes a first force-bearing body and a second force-bearing body, the first force-bearing body and the second force-bearing body are mounted to the housing at a distance, and both the first force-bearing body and the second force-bearing body are exposed to the same side of the housing.

In some embodiments, the tension sensor includes a first tension sensor coupled to the first force-bearing body and a second tension sensor coupled to the second force-bearing body.

In some embodiments, the force sensing device further includes a fixing portion disposed on the housing to fix the force sensing device to the device body.

In some embodiments, the fixing portion and the force receiving portion are respectively disposed at two ends of the housing.

In some embodiments, the fixing portion is a unitary structure with the housing, and the fixing portion has a fixing hole extending through the housing.

In some embodiments, the force-bearing portion is annular and is configured to be threaded through the first strap to detect a pulling force from the first strap.

In some embodiments, the fixing hole is used for penetrating through a second belt body, and the stress induction device is fixed on the equipment body through the second belt body.

In some embodiments, the housing is a unitary structure with the force-receiving portion.

In some embodiments, the housing and the force-bearing part are of a split structure, and the housing and the force-bearing part are connected through a connecting piece.

In some embodiments, the signal processing circuit comprises a difference processing circuit; the difference processing circuit is respectively connected to the first tension sensor and the second tension sensor to obtain a difference between first tension measured by the first tension sensor and second tension measured by the second tension sensor.

In some embodiments, the force sensing device further includes a wireless communication circuit, the wireless communication circuit is mounted on the housing and electrically connected to the signal processing circuit, and the wireless communication circuit is further configured to wirelessly connect to the electronic device.

In some embodiments, the force sensing device further comprises a prompting circuit, and the prompting circuit is electrically connected with the signal processing circuit.

In a second aspect, an embodiment of the present invention further provides an intelligent device, where the intelligent device includes a body and the stress sensing apparatus of any of the above embodiments, and the stress sensing apparatus is disposed on the body.

In some embodiments, the smart device is a backpack, a stroller, or a safety seat.

In some embodiments, the force-bearing portion is annular, and the body further includes a first belt body, and the first belt body is disposed through the force-bearing portion to detect a pulling force from the first belt body.

In some embodiments, the housing is provided with a fixing hole, the body further comprises a second belt body, the second belt body is arranged in the fixing hole in a penetrating manner, and two ends of the second belt body are fixed on the body.

In the stress sensing device and the intelligent device provided by the embodiment of the utility model, the stress part is connected with the shell and is exposed out of the shell, the at least one tension sensor is arranged on the shell and is connected with the stress part, and the signal processing circuit is arranged on the shell and is electrically connected with the tension sensor, so that a user can conveniently know the acting force detected by the stress sensing device, and the corresponding adjustment operation of the user is facilitated, and the adjustment operation is more targeted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of a force sensing device according to an embodiment of the present invention.

Fig. 2 is a schematic diagram illustrating a scene application of the force sensing apparatus of fig. 1.

Fig. 3 shows a schematic structural diagram of a force sensing device according to another embodiment of the present invention.

Fig. 4 shows a schematic circuit diagram of a force sensing device according to an embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of a force sensing device according to another embodiment of the present invention.

Fig. 6 shows a schematic circuit diagram of a force sensing device according to another embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings. It is to be understood that the described embodiments are merely exemplary of some, and not necessarily all, embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 4, in an embodiment of the utility model, a stress sensing apparatus 100 is provided, where the stress sensing apparatus 100 may be used to detect the tightness degree of an elastic band of a backpack, a bag, a stroller, or a safety seat, and may send detected data to an electronic device such as a mobile phone or a tablet, so that a user can know and analyze related data through the electronic device.

The force sensing device 100 includes a housing 70, a force receiving portion 90, at least one tension sensor 10, and a signal processing circuit 30. The force-bearing portion 90 is connected to the housing 70 and exposed out of the housing 70, and electronic devices such as the tension sensor 10 and the signal processing circuit 30 may be mounted on the housing 70, for example, the tension sensor 10 and the signal processing circuit 30 may be mounted in the housing 70, which is helpful for preventing the electronic devices from being directly exposed out of the force-bearing sensing device 100, and is helpful for preventing external force, dust and the like from affecting the electronic devices.

Wherein, the tension sensor 10 is connected with the force-receiving part 90. The tension sensor 10 can detect the magnitude of the external force applied to the force-receiving portion 90, and can generate a tension signal according to the applied force. The tension sensor 10 may be a resistive strain gage tension sensor, a semiconductor strain gage tension sensor, a piezoresistive tension sensor, an inductive tension sensor, a capacitive tension sensor, or other type of sensor.

In some embodiments, as shown in fig. 1 and 2, the force-receiving portion 90 and the housing 70 may be separate structures, that is, may be separate structures, and both may be assembled after being molded.

As an embodiment, the force-receiving portion 90 and the housing 70 may be connected by a connecting member 101, wherein the force-receiving portion 90 may be rotatably connected with the housing 70 by the connecting member 101, that is, the force-receiving portion 90 may rotate relative to the housing 70; the force-receiving portion 90 may also be fixedly connected to the housing 70 through a connection 101, which is not limited herein.

In some embodiments, as shown in fig. 3, the force-receiving portion 90 and the housing 70 may be a unitary structure, for example, both may be integrally formed by a mold.

In some embodiments, the force-receiving portion 90 is annular, for example, the force-receiving portion 90 may be substantially annular or substantially elliptical. The force receiving portion 90 is used for penetrating the first strap to detect the pulling force from the first strap. The first strap may be different according to the type of product to which the force sensing device 100 is applied, for example, when the force sensing device 100 is applied to a backpack, the first strap may be a backpack strap; for another example, when the force sensing device 100 is applied to a safety seat, the first belt body may be a safety belt.

In some embodiments, the force-receiving portion 90 may include a first force-receiving body 91 and a second force-receiving body 93, the first force-receiving body 91 and the second force-receiving body 93 may be mounted to the housing 70 at intervals, and both the first force-receiving body 91 and the second force-receiving body 93 may be exposed to the same side of the housing 70, which facilitates the force-receiving sensing device 100 to be adapted to a product with two elastic bands. For example, in the case that the force sensing apparatus 100 is applied to a backpack, the first force-receiving body 91 may be fixed to the left shoulder strap 201, and the second force-receiving body 93 may be fixed to the right shoulder strap 202.

The first force-bearing body 91 and the second force-bearing body 93 may be of the same or different structures, for example, both the first force-bearing body 91 and the second force-bearing body 93 may be of a pull ring structure; for another example, the first force-receiving body 91 may be a pull ring structure, and the second force-receiving body 93 may be a hook structure. In addition, the first force-receiving body 91 and the second force-receiving body 93 may have the same shape but different size ratios.

In some embodiments, to adapt the force-receiving portion 90 to have a structure of a first force-receiving body 91 and a second force-receiving body 93, the tension sensor 10 may include a first tension sensor connected to the first force-receiving body 91 and a second tension sensor connected to the second force-receiving body 93. Both the first tension sensor and the second tension sensor may be mounted to the housing 70, for example, both the first tension sensing unit and the second tension sensing unit are mounted in the housing 70.

As an embodiment, a first tension sensor may be in contact with the first force-bearing body 91, the first tension sensor may detect an acting force transmitted through the first force-bearing body 91, and the first tension sensor generates a first tension signal according to the acting force acting on the first tension sensor.

The second force sensor can contact with the second force-bearing body 93, and the second force sensor can detect the effort that comes through the transmission of the second force-bearing body 93, and the second force sensor generates the second pulling force signal according to the effort that acts on the second force sensor. The second tension sensor may be the same or a different type of sensor as the first tension sensor.

In some embodiments, referring to fig. 1 and fig. 2, the force sensing device 100 may further include a fixing portion 60, and the fixing portion 60 may be disposed on the housing 70 to fix the force sensing device 100 to the apparatus body. The fixing portion 60 facilitates the condition that the force sensing device 100 can be fixed in a product and is not easy to be separated from the product, so that the force receiving portion 90 can be stably in a force receiving state, and the accuracy of the force sensing device 100 for detecting an acting force can be guaranteed.

The device body may be different according to the type of the product to which the force sensing apparatus 100 is applied, for example, when the force sensing apparatus 100 is applied to a backpack, the device body may be a backpack body; for another example, when the force sensing apparatus 100 is applied to a baby carriage, the apparatus body may be a carriage body; for another example, when the force sensing apparatus 100 is applied to a safety seat, the apparatus body may be a seat body.

The fixing portion 60 and the force-receiving portion 90 can be disposed at two ends of the housing 70, so that the force-receiving device 100 can be applied to a backpack, a bag, a stroller, a safety seat, etc. under tension. For example, in the case where the force sensing apparatus 100 is applied to a backpack, the fixing portion 60 may be fixed to the backpack body 203, and the force receiving portion 90 may be fixed to the left shoulder strap 201 and the right shoulder strap 202.

The fixing portion 60 and the housing 70 may be an integral structure, for example, they may be integrally formed by a mold. Therefore, the number of parts of the stress induction device 100 is reduced, the time for assembling the stress induction device 100 is shortened, and the production efficiency is improved.

The fixing portion 60 may be provided with a fixing hole 61, the fixing hole 61 may penetrate through the housing 70, and the fixing hole 61 has a simple structure, which helps to simplify the manufacturing difficulty of the fixing portion 60. In addition, the fixing holes 61 are convenient for products such as backpacks, bags, strollers or safety seats to be bound with the stress sensing device 100 through the fixing holes 61 penetrated by the belt strips, and the stress sensing device 100 is convenient to install in the products. For example, the fixing hole 61 is used to penetrate a second belt body, and the force sensing device 100 is fixed to the apparatus body through the second belt body. Wherein, the second belt body can be a fixing belt strip or other structures.

In some embodiments, the signal processing circuitry 30 generates processing information from the received tension signal. As an embodiment, referring to fig. 5, the signal processing circuit 30 includes a difference processing circuit 31, and the difference processing circuit 31 is respectively connected to the first tension sensor and the second tension sensor to obtain a difference between a first tension measured by the first tension sensor and a second tension measured by the second tension sensor. The difference processing circuit 31 may be connected to the first tension sensor and the second tension sensor by signal wires, and may be connected in other manners.

The difference processing circuit 31 may process the first tension signal and the second tension signal, and for example, the difference processing circuit 31 may generate processing information when a difference between the first tension signal and the second tension signal is greater than a preset difference. For example, when the first force-bearing body 91 is fixed to the left shoulder strap of the backpack and the second force-bearing body 93 is fixed to the right shoulder strap of the backpack, the preset difference may be a maximum load bearing range of the child or a value set by a user in a user-defined manner.

The processing information may be a pulling force value corresponding to the pulling force signal, or a comparison result between the pulling force value corresponding to the pulling force signal and a preset pulling force value, or other information.

The processing information may be stored in the signal processor 30 in advance, the signal processing circuit 30 may establish a tension signal-processing information relation table, and each tension signal or each range of tension signals in the tension signal-processing information relation table may correspond to one or more processing information. The signal processing circuit 30 may be a smart chip.

In some embodiments, referring to fig. 6, the force sensing device further includes a wireless communication circuit 50, the wireless communication circuit 50 is electrically connected to the signal processing circuit 30, so that the force sensing device 100 can communicate with an electronic device such as a mobile phone or a tablet, for example, the wireless communication circuit 50 can transmit processing information to the electronic device, so that a user can obtain an acting force detected by the force sensing device 100 through the electronic device, and then the user can perform a corresponding adjustment operation, so that the adjustment operation is more targeted.

In addition, in the case where the processing information is sent to the user's mobile phone, an Application (APP) in the mobile phone analyzes the processing information to provide the user with usage records, risk tips, usage advice, or other information.

The wireless communication circuit 50 may have a plurality of wireless communication units, each of which may be independently connected to an electronic device such as a mobile phone or a tablet, so as to improve the versatility of the force sensing apparatus 100, and the force sensing apparatus 100 may be adapted to connect to various electronic devices of different types.

The wireless communication unit may be a bluetooth unit, a Wi-Fi unit, a ZigBee (ZigBee) unit, a 4G unit, an Ultra Wide Band (UWB) unit, or other types of units.

In addition, the wireless communication circuit 50 may further include a Global Positioning System (GPS) unit, which is helpful for a user to locate and track a user carrying the force-sensing device 100, an object bound with the force-sensing device 100, and the like.

In some embodiments, referring to fig. 6, the force sensing apparatus 100 may further include a prompting circuit 20, the prompting circuit 20 is electrically connected to the signal processing circuit 30, for example, the prompting circuit 20 and the signal processor 30 may be connected by signal wires, or the prompting circuit 20 and the signal processor 30 may be connected by other methods.

The alert circuit 20 may generate alert information based on the processed information, and the alert information may be known to the user through other structures of the force sensing apparatus 100. For example, under the condition that the stress sensing apparatus 100 further includes a display screen, the display screen may be installed on the housing 70 and exposed on the housing 70, the display screen may be in signal connection with the prompt circuit 20, and the prompt information may be in the form of displaying an image picture on the display screen, so that the user can know the stress condition of the current stress sensing apparatus 100 and can make adjustments in time.

For another example, in the case that the force sensing device 100 further includes the electroacoustic component 41, the electroacoustic component 41 may be mounted on the housing 70, the electroacoustic component 41 may be in signal connection with the prompting circuit 20, and the prompting message may be in the form of a sound emitted by the electroacoustic component 41, so that the user can know the current force condition of the force sensing device 100 and make adjustments in time.

In addition, the electroacoustic assembly 41 may emit at least two different sounds, and the different sounds may indicate different stress conditions of the stress sensing apparatus 100, which helps the user to know the content expressed by the reminder message more quickly and accurately. The electro-acoustic assembly 41 may be a speaker, horn or other structure.

For another example, under the condition that the stress sensing apparatus 100 further includes the light assembly 43, the light assembly 43 may be installed on the housing 70 and exposed out of the housing 70, the light assembly 43 may be in signal connection with the prompting circuit 20, and the prompting message may be in the form of light emitted by the light assembly 43, so that the user can know the stress condition of the current stress sensing apparatus 100 and make adjustments in time.

In addition, the light assembly 43 can emit light of at least two different colors, and the light of different colors can indicate different stress conditions of the stress sensing device 100, which helps the user to know the content expressed by the reminding information more quickly and accurately. The light assembly 43 may be an indicator light or other structure.

The force sensing apparatus 100 may further include a switch button 80, the switch button 80 may be electrically connected to the functional device, and the switch button 80 is used to selectively turn on or off the functional device, which helps a user to use or disable the force sensing apparatus 100 according to actual needs, and helps to reduce power consumption of the functional device.

Illustratively, the functional device is at least one of the signal processing circuit 30 and the wireless communication circuit 50, for example, in the case that the functional device is the signal processing circuit 30 or the wireless communication circuit 50, the switch button 80 may control the signal processing circuit 30 or the wireless communication circuit 50 to be turned on or off. For another example, in the case where the functional devices are the signal processing circuit 30 and the wireless communication circuit 50, the switch button 80 may control the signal processing circuit 30 and the wireless communication circuit 50 to be turned on and off at the same time.

The embodiment of the utility model also provides an intelligent device (not shown), and the intelligent device can be a backpack, a case, a baby carriage or a safety seat and other products. The intelligent device comprises a body and the stress sensing device 100 of any one of the above embodiments, wherein the stress sensing device 100 is arranged on the body.

In the intelligent device provided by the embodiment of the present invention, the force-receiving portion 90 is connected to the housing 70 and exposed from the housing 70, the tension sensor 10 is installed on the housing 70 and connected to the force-receiving portion 90, and the signal processor 30 is installed on the housing 70 and electrically connected to the tension sensor 10, so that a user can know an acting force detected by the force-receiving sensing device 100, and accordingly, the user can perform a corresponding adjustment operation, and the adjustment operation is more targeted.

The body can further comprise a first belt body, and the first belt body can penetrate through the stress part 90 to detect the pulling force from the first belt body under the condition that the stress part 90 is annular. The first strap may be different according to the type of the smart device, for example, when the smart device is a backpack, the first strap may be a backpack strap; for another example, when the smart device is a safety seat, the first strap may be a safety belt.

The body can also include the second area body, and the second area body is worn to locate fixed orifices 61, and the both ends of the second area body all are fixed in the body, help atress induction system 100 install in the body more simply and conveniently. Wherein, the second belt body can be a fixing belt strip or other structures.

In the present invention, the terms "mounted", "connected", and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, or they may be connected only by surface contact or through surface contact of an intermediate medium. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first," "second," and the like are used merely for distinguishing between descriptions and not intended to imply or imply a particular structure. The description of the term "some embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In the present invention, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples and features of the various embodiments or examples described herein can be combined and combined by those skilled in the art without contradiction.

The above embodiments are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (17)

1. A force sensing device, comprising:

a housing;

the stress part is connected with the shell and exposed out of the shell;

the tension sensor is arranged on the shell and connected with the stress part;

and the signal processing circuit is arranged on the shell and is electrically connected with the tension sensor.

2. The force sensing device according to claim 1, wherein the force receiving portion comprises a first force receiving body and a second force receiving body, the first force receiving body and the second force receiving body are mounted on the housing at an interval, and both the first force receiving body and the second force receiving body are exposed on the same side of the housing.

3. The force sensing device according to claim 2, wherein the tension sensor comprises a first tension sensor and a second tension sensor, the first tension sensor is connected to the first force-bearing body, and the second tension sensor is connected to the second force-bearing body.

4. The force sensing device according to claim 1, further comprising a fixing portion disposed on the housing to fix the force sensing device to the apparatus body.

5. The force sensing device of claim 4, wherein the fixing portion and the force receiving portion are disposed at two ends of the housing.

6. The force sensing device according to claim 5, wherein the fixing portion is integrally formed with the housing, and the fixing portion has a fixing hole extending through the housing.

7. The force sensing device of claim 1, wherein the force receiving portion is annular and configured to receive a first strap for detecting a pulling force from the first strap.

8. The force sensing device according to claim 4, wherein the fixing portion has a fixing hole for passing a second strap, and the force sensing device is fixed to the apparatus body through the second strap.

9. The force sensing device according to any one of claims 1-8, wherein the housing and the force-receiving portion are of a unitary construction.

10. The force sensing device according to any one of claims 1 to 8, wherein the housing and the force receiving portion are of a split structure, and the housing and the force receiving portion are connected by a connecting member.

11. The force sensing device of claim 3, wherein the signal processing circuit comprises a difference processing circuit; the difference processing circuit is respectively connected to the first tension sensor and the second tension sensor to obtain a difference between a first tension measured by the first tension sensor and a second tension measured by the second tension sensor.

12. The force sensing device of claim 1, further comprising a wireless communication circuit mounted to the housing and electrically connected to the signal processing circuit, the wireless communication circuit further configured to wirelessly connect to an electronic device.

13. The force sensing device of claim 1, further comprising a notification circuit electrically connected to the signal processing circuit.

14. A smart device, comprising:

a body; and

the force sensing device of any one of claims 1 to 13, wherein the force sensing device is disposed on the body.

15. The smart device of claim 14, wherein the smart device is a backpack, a stroller, or a safety seat.

16. The smart device as recited in claim 14, wherein the force-bearing portion is annular, and the body further comprises a first strap, the first strap being disposed through the force-bearing portion to detect a pulling force from the first strap.

17. The smart device as claimed in any one of claims 14 to 16, wherein the housing is provided with a fixing hole, the body further comprises a second strap, the second strap is inserted into the fixing hole, and both ends of the second strap are fixed to the body.

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