Force sensor with high-power output function
By incorporating a relay into the force sensor, the problem of requiring external data acquisition and control equipment in existing technologies is solved, enabling a simplified system design that can directly drive high-power electrical appliances without the need for external equipment.
Patent Information
- Application Number
- CN202520178471.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-05
AI Technical Summary
When existing force sensors need to control actions based on the magnitude of force, additional data acquisition and control equipment is required, resulting in a complex and costly system.
Design a force sensor with high power output, with a built-in relay. The relay's control signal is controlled by the sensor's built-in control unit, and the relay's output directly drives high-power electrical appliances, such as solenoid valves and alarm lights.
This technology enables force sensors to directly drive high-power electrical appliances without the need for external instruments and controllers, simplifying the system structure and reducing costs.
Smart Images
Figure CN223691902U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to force sensor technical field especially, it is a kind of force sensor with high-power output function. BACKGROUND
[0002] Force sensor is a kind of device that can detect the size of force, and force signal is converted into measurable electric signal or other signal output, is widely used in industrial production, aerospace, transportation, medical equipment and many other fields.Currently, the output signal of existing force sensor has analog quantity, bus etc., generally need to access special instrument and similar acquisition equipment to carry out data display, action control etc..For the start or stop of some actions that need to be controlled by the size of force, in addition to force sensor, it also needs to increase the matching acquisition and control equipment, cost is high, system is relatively complex. SUMMARY
[0003] Therefore, one purpose of the utility model is to provide a kind of force sensor with high-power output function to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A kind of force sensor with high-power output function, including sensor elastomer, the sensor elastomer is cylindrical, characterized by, the sensor elastomer is equipped with containing bin, the containing bin is equipped with circuit board, the circuit board is equipped with control unit and relay, one end of the sensor elastomer is equipped with output connector, the input end of the relay is connected with the control circuit, the output end of the relay extends to the outside of the sensor elastomer through the output connector.
[0006] Further, the containing bin includes first containing bin, second containing bin, third containing bin, fourth containing bin, the first containing bin and the third containing bin are strain bin, the first containing bin and the third containing bin are equipped with a plurality of strain gages, a plurality of strain gages constitute Wheatstone bridge.
[0007] Further, the sensor elastomer is also equipped with button, the button is connected with the relay.
[0008] Further, the first containing bin and the second containing bin are connected by first through-hole, the second containing bin and the third containing bin are connected by second through-hole, the third containing bin and the fourth containing bin are connected by third through-hole, the first containing bin and the fourth containing bin are connected by fourth through-hole.
[0009] Further, the force sensor further comprises a signal processing unit, the signal processing unit is arranged on the circuit board, the strain gauge is electrically connected with the signal processing unit, and the signal processing unit is electrically connected with the control unit.
[0010] Further, each of the accommodating cavities is provided with a sealing cover, the sealing cover covers the opening of the accommodating cavity, and sealing glue is filled between the sealing cover and the opening of the accommodating cavity.
[0011] Further, the first accommodating cavity, the second accommodating cavity, the third accommodating cavity and the fourth accommodating cavity are arranged on the side of the sensor elastic body, the first accommodating cavity and the second accommodating cavity are oppositely arranged, the third accommodating cavity and the fourth accommodating cavity are oppositely arranged, the first accommodating cavity and the fourth accommodating cavity are located on the same side of the sensor elastic body, and the second accommodating cavity and the third accommodating cavity are located on the same side of the sensor elastic body.
[0012] Further, the output connector is specifically an M12A1 type 12-core waterproof aviation plug.
[0013] Further, one end of the sensor elastic body is provided with a wire outlet, one end of the output connector is inserted into the wire outlet, and the wire outlet is connected with the fourth accommodating cavity through a fifth through hole.
[0014] Therefore, the force sensor has the following beneficial effects:
[0015] The force sensor with the high-power output function increases a power relay, the control signal of the relay is controlled by the control unit of the sensor, the output end of the relay is connected to the output end of the sensor, and is used for driving a high-power electric appliance such as a solenoid valve and an alarm lamp, so that the force sensor can directly drive the high-power electric appliance, without the need of external instruments, controllers and the like, and is suitable for application scenarios such as control of actions, alarm signal prompting and the like by force.
[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the following drawings of which:
[0018] Figure 1 is an isometric view of the force sensor of the present application;
[0019] Figure 2 is an isometric view of the force sensor of the present application from another perspective;
[0020] Figure 3 is the front view of the force sensor of the utility model;
[0021] Figure 4 is Figure 3 the A-A section view shown in the figure;
[0022] Figure 5 is Figure 3 the D-D section view shown in the figure;
[0023] Figure 6 is the side view of the force sensor of the utility model;
[0024] Figure 7 is the sealing cover structure schematic view of the force sensor of the utility model.
[0025] In the figure: 1, sensor elastomer;2, circuit board;3, relay;4, output connector;5, first containing bin;6, second containing bin;7, third containing bin;8, fourth containing bin;9, strain gauge;10, button;11, first through hole;12, second through hole;13, cover body;14, fourth through hole;15, sealing cover;16, outlet;17, fifth through hole;18, convex ring. DETAILED DESCRIPTION
[0026] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as a limitation of the utility model.
[0027] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected;Can be mechanically connected, or electrically connected;Can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0028] As Figures 1-7As shown in the figure, a force sensor with a high-power output function comprises a sensor elastic body 1, the sensor elastic body 1 is cylindrical, characterized in that the sensor elastic body 1 is provided with a containing bin, the containing bin is provided with a circuit board 2, the circuit board 2 is provided with a control unit and a relay 3, one end of the sensor elastic body 1 is provided with an output connector 4, the input end of the relay 3 is connected with a control circuit, and the output end of the relay 3 extends to outside the sensor elastic body 1 through the output connector 4.
[0029] The force sensor with a high-power output function of the utility model increases a high-power relay 3, the control signal of the relay 3 is controlled by the control unit of the sensor, the output end of the relay 3 is connected to the output end of the sensor, is used for driving electromagnetic valve, alarm lamp and other high-power electrical appliances, so that the force sensor of the utility model can directly drive high-power electrical appliances, without external meter, controller and the like, is applicable to the application scene such as the control of action, alarm signal prompt that need to be realized by the stress size.
[0030] It can be understood that the control unit can be a control circuit, the control signal of the relay 3 is controlled by the control circuit of the sensor, and the action of the relay 3 is controlled by the control circuit, which belongs to the existing mature technology, and the specific circuit structure of the control circuit is not described in detail.
[0031] Further, as shown in Figure 1 And Figure 2 The containing bin comprises a first containing bin 5, a second containing bin 6, a third containing bin 7 and a fourth containing bin 8, the first containing bin 5 and the third containing bin 7 are strain bins, a plurality of strain gauges 9 are arranged in the first containing bin 5 and the third containing bin 7, and the plurality of strain gauges 9 form a Wheatstone bridge.
[0032] As an embodiment, the strain gauge 9 is a resistance strain gauge.
[0033] As an embodiment, the first containing bin 5, the second containing bin 6, the third containing bin 7 and the fourth containing bin 8 are cylindrical.
[0034] As an embodiment, the first containing bin 5 and the third containing bin 7 are strain bins, and the second containing bin 6 and the fourth containing bin 8 are electronic bins.
[0035] As another embodiment, the first containing bin 5 and the third containing bin 7 are electronic bins, and the second containing bin 6 and the fourth containing bin 8 are strain bins.
[0036] As another embodiment, the first containing bin 5, the second containing bin 6 and the third containing bin 7 are strain bins, and the fourth containing bin 8 is an electronic bin.
[0037] Further, as shown in Figure 6As shown, the sensor elastomer 1 is further provided with a button 10, and the button 10 is connected with the relay 3.
[0038] Further, the button 10 is a switch output setting button, and is electrically connected with the circuit board 2.
[0039] The utility model discloses a force sensor, increase a switch output setting button 10 on the sensor, when the sensor reaches the stress of the required switch output, press and hold the button 2 seconds or more, can realize the setting work of switch output, and specifically can be configured as: after setting, when the force value is greater than the set force value, output high level signal, and when the force value is less than or equal to the set force value, output low level signal.
[0040] Further, as shown in Figure 4 and Figure 5 The first accommodating bin 5 is connected with the second accommodating bin 6 through the first through hole 11, the second accommodating bin 6 is connected with the third accommodating bin 7 through the second through hole 12, the third accommodating bin 7 is connected with the fourth accommodating bin 8 through the third through hole, and the first accommodating bin 5 is connected with the fourth accommodating bin 8 through the fourth through hole 14.
[0041] It can be understood that the first through hole 11, the second through hole 12, the third through hole and the fourth through hole 14 are wire passing holes, and the first through hole 11, the second through hole 12, the third through hole and the fourth through hole 14 connect the strain bin and the electronic bin, so that the connecting line or the signal line of the strain bin can pass through the wire passing hole and enter the electronic bin, and is connected with the circuit on the circuit board 2 in the electronic bin.
[0042] Further, the force sensor further includes a signal processing unit, the signal processing unit is arranged on the circuit board 2, the strain gage 9 is electrically connected with the signal processing unit, and the signal processing unit is electrically connected with the control unit.
[0043] It can be understood that the signal processing unit can be a signal processing circuit or a signal acquisition circuit, and when the force sensor measures force, the resistance strain gage 9 in the strain bin detects force, and the Wheatstone bridge millivolt signal is collected into the signal processing circuit or the signal acquisition circuit for processing and output.
[0044] Further, each accommodating bin is provided with a sealing cover 15, the sealing cover 15 covers the opening of the accommodating bin, and sealing glue is filled between the sealing cover 15 and the opening of the accommodating bin.
[0045] As shown in Figure 7As shown, as an embodiment, the sealing cover 15 comprises a cover body 13, a circumferential protruding ring 18 is arranged on the inner side of the cover body 13, a flange corresponding to the protruding ring 18 is arranged at the opening of the accommodating cavity, and a ring-shaped recess (not shown in the figure) corresponding to the protruding ring 18 is arranged on the flange, the protruding ring 185 is embedded into the ring-shaped recess, and the cover body 13 of the sealing cover 15 is abutted on the flange, so that good sealing of the accommodating cavity can be achieved.
[0046] Further, as shown in Figure 1 、 Figure 2 and Figure 4 , the first accommodating cavity 5, the second accommodating cavity 6, the third accommodating cavity 7 and the fourth accommodating cavity 8 are arranged on the side of the sensor elastic body 1, the first accommodating cavity 5 and the second accommodating cavity 6 are arranged oppositely, the third accommodating cavity 7 and the fourth accommodating cavity 8 are arranged oppositely, the first accommodating cavity 5 and the fourth accommodating cavity 8 are located on the same side of the sensor elastic body 1, and the second accommodating cavity 6 and the third accommodating cavity 7 are located on the same side of the sensor elastic body 1.
[0047] Further, the output connector 4 is specifically an M12A1 type 12-core waterproof aviation plug.
[0048] Further, as shown in Figure 4 , one end of the sensor elastic body 1 is provided with a wire outlet 16, one end of the output connector 4 is inserted into the wire outlet 16, and the wire outlet 16 is connected with the fourth accommodating cavity 8 through a fifth through hole 17.
[0049] The fifth through hole 17 is a wire passing hole, and the fifth through hole 17 connects the accommodating cavity with the wire outlet 16, so that the relevant signal measured by the force sensor can be output through the output connector 4.
[0050] The force sensor of the utility model has a built-in relay, can output a high-power signal, and is used for driving a solenoid valve, an alarm lamp and the like.
[0051] The force sensor of the utility model has a built-in relay, can output a high-power signal, and is used for driving a solenoid valve, an alarm lamp and the like.
[0052] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0053] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model contents and the specific implementation mode part of the above description and the parts shown in the drawings, and each scheme formed by these combinations is not described one by one due to the limited length and for the sake of brevity of the description. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
[0054] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A force sensor having a large power output function, comprising a sensor elastic body, the sensor elastic body being cylindrical, characterized by, The sensor elastic body is provided with a containing bin, the containing bin is provided with a circuit board, the circuit board is provided with a control unit and a relay, one end of the sensor elastic body is provided with an output connector, the input end of the relay is connected with the control unit, and the output end of the relay extends to the outside of the sensor elastic body through the output connector.
2. The force sensor with high power output function according to claim 1, characterized in that, The containing bin comprises a first containing bin, a second containing bin, a third containing bin and a fourth containing bin, the first containing bin and the third containing bin are strain bins, a plurality of strain gauges are arranged in the first containing bin and the third containing bin, and the plurality of strain gauges form a Wheatstone bridge.
3. The force sensor with high power output function according to claim 1, characterized in that, The sensor elastic body is further provided with a button, and the button is connected with the relay.
4. The force sensor with high power output function according to claim 2, characterized in that, The first containing bin and the second containing bin are connected through a first through hole, the second containing bin and the third containing bin are connected through a second through hole, the third containing bin and the fourth containing bin are connected through a third through hole, and the first containing bin and the fourth containing bin are connected through a fourth through hole.
5. The force sensor with high power output function according to claim 2, characterized in that, The signal processing unit is arranged on the circuit board, the strain gauges are electrically connected with the signal processing unit, and the signal processing unit is electrically connected with the control unit.
6. The force sensor with high power output function according to any one of claims 1-5, characterized in that, Each containing bin is provided with a sealing cover, the sealing cover covers the opening of the containing bin, and sealing glue is filled between the sealing cover and the opening of the containing bin.
7. The force sensor with high power output function according to claim 2, characterized in that, The first containing bin, the second containing bin, the third containing bin and the fourth containing bin are arranged on the side surface of the sensor elastic body, the first containing bin and the second containing bin are arranged oppositely, the third containing bin and the fourth containing bin are arranged oppositely, the first containing bin and the fourth containing bin are located on the same side of the sensor elastic body, and the second containing bin and the third containing bin are located on the same side of the sensor elastic body.
8. The force sensor with high power output function according to claim 1, characterized in that, The output connector is specifically an M12A1 type 12-core waterproof aviation plug.
9. The force sensor with high power output function according to claim 4, characterized in that, One end of the sensor elastic body is provided with a wire outlet, one end of the output connector is inserted into the wire outlet, and the wire outlet is connected with the fourth containing bin through a fifth through hole.