TWM324779U - Pressure sensing device - Google Patents

Description

M324779 VIII. New description: [New technical field] Equipment. [Prior Art] In recent years, precision equipment has advanced rapidly. In order to provide the house's house force detection, the demand for equipment using the force sensor is also increasing and widely used. Of course, the precision requirements are more stringent after miniaturization. Because as long as there is negligence in the operation, parameter errors may affect the entire production line. Generally, the working principle of the pressure sensor is mainly to use different resistance characteristics under different pressures to measure pressure, but it is currently limited by For specific selection requirements, the pressure sensor must be formed by high-cost materials with complicated structures, which will increase the cost of materials and processing. Therefore, how to reduce structural components and reduce the cost burden will be regarded as the current research and development. The focus is. In view of this, the creators of this case have been carefully designed and designed with many years of experience. After many discussions and trials of sample tests and multiple corrections, a pressure sensing device was developed. [New content] This creation is about a pressure sensing device, providing a pressure sensing device with a simple structure and saving M324779 and material cost; the pressure sensing device comprises a casing, a top piece, a buffering piece and a a top member, the housing is formed with an open end and a closed end. The variable resistor is disposed under the receiving space of the housing, and the top member is slidably assembled on the variable resistor at one end. One end of the accommodating space extends toward the open end of the accommodating space, and one end of the cushioning member is disposed at one end of the top member, and the other end is placed at a closed end of the accommodating space, and the top member is elastically buffered by the buffering member. Driving the variable resistor displacement, the displacement of the variable resistor under the applied voltage will provide different partial pressures, thereby determining different weight pressure signals, thereby the pressure sensor does not need to pass through a complex structure, Reduce material and processing costs. [Embodiment] The techniques, means and other functions used in the present invention are as described in the preferred embodiment, and the detailed descriptions shown in Figures 1 to 4 are as follows. It is believed that the above objects and features of the present creation are believed. And other advantages, which can be specifically understood by the depth; the force sensing group 20 (shown in Figure 1) comprises a housing 2 1 , a variable resistor 2 2 , a top piece 2 3 and a buffering member 2 4; the housing 2 1 has an accommodating space 2 1 1 , the accommodating space 2 1 1 - end is formed as an open end 2 1 2, and the other end is formed as a closed end 2 1 3 ; The variable resistor 2 2 is disposed under the 6 M324779 accommodating space 21 of the housing 2 1 , and the variable resistor 22 is linearly sliding; the top member 23 is a long rod shape, and the (4) 2 3 _ end It can be assembled on the variable electric arc 2 2, and the other end is thick. The working chamber: the open end 2 of the crucible 1 is extended to form a Y-shaped push portion 2 3 1 , and the buffer member 24 is a bullet. The end of the 'hot stamping piece 2 4 is placed on one end of the top piece 2 3 end, and the other end is placed at the closed end 213 of the accommodating space 211; after the variable resistor is connected to the power source, The top piece 2 3 is pushed against the object, and the top piece 2 3 will be displaced in the direction of (4) by the weight of the object itself, and the displacement of the top piece 2 3 by the impact force of the buffer piece 24 is Avoiding the displacement of the variable resistor 22 beyond the working range, causing damage by the displacement of the variable resistor 2 2, and then determining the different weight pressures, the force sensing group 20 mentioned above is the pressure sense The main operating components of the measuring device provide the weight of the object. In order to match the weight of the house, the angle adjustment group is set up. 3 〇, a microcontroller 4 〇 and the bearing: power group 5 〇; the angle adjustment group 3 〇 ( Please refer to FIG. 2) including an offset motor 3 1 , a photointerrupter 3 2 and a shading member 3 3 ; the offset motor 1 is a stepping operation, and the offset motor 31 has an axis The axis of the offset motor 3 1 is vertically disposed below the housing 2 1 of the force sensing group 2 ,, and the ρ at the photo interrupter (Ph〇t〇interrupter) 3 2 is recessed a detecting portion 3 2 of the shape of the word, the photointerrupter 3 2 - the end wall, the front wall of the M324779 1; The member 3 3 is disposed on the L side of the body of the force sensing group 20, and the other side of the housing is corresponding to the photointerrupter 32.

Straight and fixed on the offset motor 3-shaped sheet, the light-shielding member 3 3 is below the body 2 1 to allow the light-shielding member detecting portion 3 2 1 ; the microcontroller 40 (see FIG. 3) contains a signal Converting the early and wide 4 1 , the operation processing unit 4 2 and the storage data unit 4 3 'the controller 4 ◦ respectively with the angle adjustment group 3 光 photo interrupter 3 2, the force! The variable resistor 2 2 of the sensing group 2 及 and the offset motor 3 1 of the angle adjusting group 3 作 are electrically connected; - the bearing power group 50 includes a carrier 51, a universal wheel 52, and a zone a motor 53 and a power supply unit 54. The front side of the carrier plate 5 is provided with an offset motor 31 for the angle adjustment group 30, and the substrate 51 is fixed under the carrier 51 of the offset motor. The universal wheel 52, the rear side of the carrier plate 5 1 is laterally fixed by the two driving motors 5 3 , and the axial center of each driving motor 5 3 faces the two sides of the carrier plate 5 1 , and the axial center of the driving motor 53 3 The driving drive wheel 5 3 1 'the driving motor 5 3 is provided with a power supply H5 4 and a micro control n4Q stacked on each other, and the power supply 54 (refer to FIG. 4) respectively and the force sensing group 2 可变 variable resistor 2 2, the angle adjustment group 30 offset motor 3 χ, the angle adjustment group 3 = photointerrupter 3 2, the drive motor group 5 〇 drive motor "% link The power supply is provided; the above description is the overview of the mutual M324779 relationship position and its structure of the new Wei Jiashi_ each (four) component. Please cooperate with the reference to clearly explain the creation of this creation. Mode and effect, see Figure 1 to Figure 6 ··········································································· The object (the object ===^= member 23 pushes the variable resistor 22 through the resistance change sensor/S force nickname, and the impact member refers to the impact force through the rear buffer member 24 when the top member 23 is resisted. #力魏冲, _ force signal will be transmitted to the signal conversion unit 41 of the controller 40, first performing an analogy and digital W post-transmission operation processing unit 42 for logic operation, thereby converting the screen force signal into a power The signal and the vector signal; the micro-control n 4 传递 transmits the power signal to the drive motor 53' of the power bearing unit ^ to cause the shaft motor 53 to augment or weaken the driving wheel 5 3 1 to provide the power bearing group 5 〇 The carrier plate 5 is fully advanced, so that the top member 23 of the force sensing member 2 is pushed forward to advance according to the starting coordinate and the ending coordinate path of the stored data unit 43; The microcontroller 4 transmits the vector signal to the offset of the angle adjustment group 30 The motor 3!, the offset motor 3丄 receives the vector signal for driving, and causes the offset motor 3! (refer to FIG. 5) to drive the housing 2 1 of the force sensing group 2 to perform an angular shift. The .M324779 angle adjustment "and q η body 21 vehicles, light member 33 with the 3 33

It is recognized that the angle adjustment έ, δ hai micro-controller 40 round small, / positive,, and 3 〇 offset motor 3 1 rotation change angle is large 1 stomach degree @ whole group 3 ◦ yaw angle, the pressure The sensing device passes the power signal of the factory and the '4' and the vector signal. Please refer to Figure 6 for the power and angle of the material to push the object from the city coordinates to the final seat. The pressure sensing device is a value-added table corresponding to the sensing of 2 kg objects:

0~270g 270~420g 420~490g 490~740g 740~850g 850~905g 905~1065g 1065~1180g 1180~1350g Variable resistance Moving distance 7mm Input voltage value A/D conversion

0~0· 32V 0 0 0 0

〇· 32~0· 64V 丨· 64~0·96V 〇· 96~1· 29V 1· 29~1· 61V 1· 6 Bu 1· 93V 1· 93~2. 25V 2· 25~2· 60V 2 · 60~2. 90V 0 10 M324779 >1350g 12~13mm

2. 90-3. 22V

0,,, or not, the present invention is a pressure sensing device comprising a force sensing group having a casing, a variable resistor, a TX ^ /r top member and a cushioning member; The accommodating space is provided with a closed end and an open end. The variable electric (four) is placed under the accommodating space of the housing, and the top piece is slidably assembled on the variable resistor and the other end is facing the accommodating space. The open end of the space is extended to form a pushing portion. The cushioning member is disposed on the top member, and the other end is placed on the receiving space. The top member is elastically buffered by the cushioning member to drive the variable portion. Resistance displacement 'The variable resistance will generate different partial pressures under different voltages to determine different weight pressure signals; therefore, the "industrial availability" of this creation should be unquestionable, in addition, in this case The technique of the levy of the levy has not been seen in publications before, and has not been used by public funds. It has the fact that the effect of the above-mentioned effects is enhanced, and it has the additional effect of negligence. Therefore, the novelty of this creation : Sexuality has been in compliance with patent regulations' The application of the new patent will be reviewed and the patent will be granted as soon as possible.斫 11 M324779, a simple description of the diagram] Figure 1 is a schematic cross-section of the creation. The second is a three-dimensional diagram of the creation. Figure 3 is a schematic diagram of the system of this creation. Figure 4 is a schematic diagram of the system of this creation. Figure 5 is a schematic diagram of the deflection of the creation angle adjustment group. Figure 6 shows the plane of the creation of this creation.

[Main component symbol description] [This creation] Power sensing group 2 0 accommodating space 2 1 closed end 2 1 top piece 2 3 buffer piece 2 4 offset motor 3 1 debt measuring part 3 2 microcontroller 4 0 arithmetic processing Unit 4 2 Bearing power unit 50 Universal wheel drive wheel 5 2 Housing 2 1 Open end 2 12 Variable resistance 22 Push part 2 3 1 Angle adjustment group 30 Photointerrupter 32 Shading signal conversion unit 41 Storage data unit 43 Carrier 5 1 Drive motor 53 Power supply 54 12

Claims (1)

M324779 Nine, the scope of application for patents: 1, 1 'pressure sensing device, the corresponding sensing direction is equipped with a force sensor, including: ^ Another ugly forming one open end and one closed end of the accommodating space, mouth The galvanic and alternating resistance are disposed under the accommodating space of the casing; 'the top piece is slidably assembled on the variable resistor at one end, and the other end is extended toward the open end of the valley space to form a pushing portion; > 4 a punching member, the end is placed on the top end of the receiving member, and the other end is placed on the closed end of the receiving space; and the top member is driven by the cushioning member to elastically buffer the variable resistor. The displacement of the achievable and alternating resistors under the applied voltage will provide different partial pressures to determine different weight pressure signals. 2) The force phase device according to claim 1, wherein the ink force county further comprises an angle adjustment group, the angle adjustment group, the −off motor, the light interrupter and the “shading device” The offset motor is a stepping operation, and the money shifting motor has a shaft, and the axis of the offset motor is placed. On the housing of the Heilili sensing group, the photointerrupter is provided with a detecting photointerrupter-end that is placed on the front side of the Qing motor, and the shading member is placed in the housing of the momentum sensing group. Below, the light-shielding member is further-side corresponding to the detecting portion of the photointerrupter. 13 M324779. The pressure sensing device of claim 2, wherein the pressure sensing device further comprises a microcontroller, wherein the microcontroller comprises a light intercepting device and the angle adjusting group respectively The power sensing group two-way resistance and the offset motor of the angle adjusting group are f-linked. 4. The pressure sensing device according to item 3 of the patent scope, i contains the = sensing and further comprises a bearing power group, the bearing power group wrapping wheel, - (4) '(4) m supply n, the Carrier plate - side for the lightness of the _ offset motor to the bottom of the carrier plate 四 (4) the offset horse _ # M to the wheel 'material plate another i for the drive motor port ' _ motor shaft axis The upper sheep + drive wheel, the drive motor source::; the device and the _ force sensing device of the microcontroller, the electric 'sickle' with the force sensing group of the variable resistance, 兮 & itch The offset motor, the angle 氕敕 氕敕 " angle shark group drive motor is electrically connected for power supply. #载动力组's 14