阅读说明：本技术 一种微型应变式称重设备及其控制系统 (Miniature strain type weighing equipment and control system thereof ) 是由 韩泽鑫 王诚 王�华 俞平 于 2021-08-16 设计创作，主要内容包括：本发明涉及机械工程技术领域,具体涉及一种微型应变式称重设备及其控制系统,通过在测量板上放置需要进行称重的重物,从而使得测量板受到重力作用而向下移动,进而使得支撑杆向下移动,通过支撑杆的向下移动来带动固定块向下移动,从而可通过箱体内的电气元件来实现对重物的称重,通过滑块在导轨的横向滑槽内横向滑动来带动防护盖在导轨上横向滑动,从而使得防护盖在箱体上横向滑动,通过防护盖在箱体上的横向滑动,使得防护盖可在箱体上进行快速安装或拆卸,从而简化了拆卸步骤,进而便于在箱体内的电气元件出现故障时对电气元件进行维修或更换。(The invention relates to the technical field of mechanical engineering, in particular to a miniature strain type weighing device and a control system thereof.)

1. A micro strain type weighing device is characterized by comprising a box body and a mounting assembly;

the installation assembly comprises a guide rail, a sliding block, a connecting component, an adjusting component and an executing component, wherein the guide rail is fixedly connected with the box body and is positioned on one side of the box body;

the executive component includes protective cover, bracing piece, measures board and fixed block, the protective cover with slider fixed connection, and be located the slider is close to one side of guide rail, the bracing piece with protective cover sliding connection, and run through the protective cover, measure the board with bracing piece fixed connection, and be located the bracing piece is kept away from one side of protective cover, the fixed block with bracing piece fixed connection, and be located the bracing piece is kept away from one side of measuring the board.

2. The miniature strain-type weighing apparatus of claim 1,

the connecting component comprises a weighing sensor and a connecting block, and the weighing sensor is fixedly connected with the box body and is positioned on the inner side of the box body; the connecting block is fixedly connected with the weighing sensor and is placed on the weighing sensor.

3. The miniature strain-type weighing apparatus of claim 2,

the connecting component further comprises a controller, wherein the controller is fixedly connected with the box body, electrically connected with the weighing sensor and located on the inner side of the box body.

4. The miniature strain-type weighing apparatus of claim 3,

the connecting component also comprises a power supply which is fixedly connected with the box body, electrically connected with the controller and positioned on the inner side of the box body.

5. The miniature strain-type weighing apparatus of claim 3,

the adjusting component comprises a display screen and an operation panel, the display screen is fixedly connected with the protective cover, is electrically connected with the controller and is positioned on one side of the protective cover, which is far away from the box body; the operation panel with protective cover fixed connection, and with the controller electricity is connected, and is located the protective cover is close to one side of display screen.

6. The miniature strain-type weighing apparatus of claim 1,

the execution component further comprises a handle, and the handle is fixedly connected with the protective cover and is positioned on one side, away from the sliding block, of the protective cover.

7. A control system of a micro strain-type weighing apparatus, comprising the micro strain-type weighing apparatus as claimed in any one of claims 1 to 6, further comprising a signal receiving module, a circuit amplifying module, a circuit filtering module and an analog-to-digital conversion module;

the signal receiving module is connected with the weighing sensor and used for receiving strain electric signals generated due to deformation and detected by the Wheatstone bridge, the circuit amplifying module is connected with the signal receiving module and used for amplifying the strain electric signals received by the signal receiving module, the circuit filtering module is connected with the circuit amplifying module and used for filtering the electric signals amplified by the circuit amplifying module and removing interference signals, and the analog-to-digital conversion module is connected with the circuit filtering module and used for converting the electric signals into digital signals.

8. The control system of a micro strain-type weighing apparatus according to claim 7,

the control system of the miniature strain type weighing equipment further comprises a compression module, and the compression module is connected with the analog-to-digital conversion module and used for compressing and integrating the digital signals.

Technical Field

The invention relates to the technical field of mechanical engineering, in particular to a miniature strain type weighing device and a control system thereof.

Background

At present, weighing equipment is an electronic weighing device integrating modern weighing sensor technology, electronic technology and computer technology, and is widely applied to departments of industry, agriculture, commerce, scientific research, medical treatment and health and the like.

However, the shell of the existing weighing device is connected through a bolt, and when an electric element in the weighing device breaks down, the shell of the whole weighing device needs to be disassembled, so that the disassembling step is complicated, and the electric element in the weighing device is not convenient to maintain or replace.

Disclosure of Invention

The invention aims to provide a miniature strain type weighing device and a control system thereof, wherein the miniature strain type weighing device is convenient for disassembling a shell of the weighing device.

In order to achieve the purpose, the invention provides a miniature strain type weighing device, which comprises a box body and a mounting assembly, wherein the box body is provided with a first opening and a second opening; the installation assembly comprises a guide rail, a sliding block, a connecting component, an adjusting component and an executing component, wherein the guide rail is fixedly connected with the box body and is positioned on one side of the box body; the executive component includes protective cover, bracing piece, measures board and fixed block, the protective cover with slider fixed connection, and be located the slider is close to one side of guide rail, the bracing piece with protective cover sliding connection, and run through the protective cover, measure the board with bracing piece fixed connection, and be located the bracing piece is kept away from one side of protective cover, the fixed block with bracing piece fixed connection, and be located the bracing piece is kept away from one side of measuring the board.

Through the protective cover is in lateral sliding on the box makes the protective cover can install fast or dismantle on the box to simplified the dismantlement step, and then be convenient for maintain or change electrical component when the electrical component in the box breaks down.

The connecting component comprises a weighing sensor and a connecting block, and the weighing sensor is fixedly connected with the box body and is positioned on the inner side of the box body; the connecting block is fixedly connected with the weighing sensor and is placed on the weighing sensor.

The weight sensor can receive a weight change signal through the downward movement of the connecting block.

The connecting component further comprises a controller, wherein the controller is fixedly connected with the box body, electrically connected with the weighing sensor and located on the inner side of the box body.

The weighing sensor receives the weight change signal and transmits the signal to the controller, so that the weight can be weighed.

The connecting component also comprises a power supply, and the power supply is fixedly connected with the box body, electrically connected with the controller and positioned on the inner side of the box body.

The power supply is arranged so that the power supply can supply power for the operation of the controller.

The adjusting component comprises a display screen and an operation panel, the display screen is fixedly connected with the protective cover, is electrically connected with the controller and is positioned on one side, far away from the box body, of the protective cover; the operation panel with protective cover fixed connection, and with the controller electricity is connected, and is located the protective cover is close to one side of display screen.

Through operating the operation panel, thereby make can control the regulation to weighing-appliance, through setting up the display screen, thereby make the numerical value of weighing can show on the display screen.

The execution component further comprises a handle, and the handle is fixedly connected with the protective cover and is positioned on one side, far away from the slider, of the protective cover.

The handle is held by a hand, so that a user can conveniently take the protective cover off the box body.

The invention also provides a control system of the miniature strain-type weighing equipment, which comprises the miniature strain-type weighing equipment, a signal receiving module, a circuit amplifying module, a circuit filtering module and an analog-to-digital conversion module, wherein the signal receiving module is connected with the weighing sensor and is used for receiving strain electrical signals detected by a Wheatstone bridge and generated due to deformation, the circuit amplifying module is connected with the signal receiving module and is used for amplifying the strain electrical signals received by the signal receiving module, the circuit filtering module is connected with the circuit amplifying module and is used for filtering the electrical signals amplified by the circuit amplifying module and removing interference signals, and the analog-to-digital conversion module is connected with the circuit filtering module and is used for converting the electrical signals into digital signals.

The control system of the miniature strain type weighing equipment further comprises a compression module, and the compression module is connected with the analog-to-digital conversion module and used for compressing and integrating the digital signals.

Through carrying out integration processing on the strain electric signals obtained on the weighing equipment, the measurement precision of the weighing equipment is improved.

According to the micro strain type weighing equipment and the control system thereof, the weight to be weighed is placed on the measuring plate, so that the measuring plate moves downwards under the action of gravity, the supporting rod moves downwards, the fixing block is driven to move downwards through the downward movement of the supporting rod, a sensor in the box body receives a weight change signal, the weighing of the weight can be realized, the sliding block slides transversely in the transverse sliding groove of the guide rail to drive the protective cover to slide transversely on the guide rail along with the sliding block, so that the protective cover slides transversely on the box body, the protective cover can be quickly installed or detached on the box body through the transverse sliding of the protective cover on the box body, and the detaching step is simplified, and then be convenient for when the electric elements in the box breaks down to carry out maintenance or change to electric elements.

Drawings

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

Fig. 1 is a schematic structural view of the handle provided by the invention mounted on a protective cover.

Fig. 2 is a schematic view of the connection of the measuring plate and the support rod provided by the present invention.

Fig. 3 is a schematic view of the connection between the guide rail and the sliding block provided by the invention.

Fig. 4 is a schematic structural diagram of the controller provided by the invention mounted in the box body.

Fig. 5 is a system diagram of a control system of the miniature strain-type weighing device provided by the invention.

In the figure: the system comprises a box body 1, a mounting assembly 2, a guide rail 21, a sliding block 22, a connecting member 23, an adjusting member 24, an executing member 25, a miniature strain type weighing device 100, a signal receiving module 200, a weighing sensor 231, a 232-connecting block, a 233-controller, a power supply 234, a 235-supporting column 236-shock absorption pad 241, a display screen 242, an operation panel 251, a protective cover 252, a supporting rod 252, a measuring plate 253, a fixed block 254, a handle 255, a circuit amplifying module 300, a circuit filtering module 400, an analog-to-digital conversion module 500, a compression module 600 and a control system of the miniature strain type weighing device 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4, the present invention provides a micro strain-type weighing apparatus 100, which includes a box 1 and a mounting assembly 2; the mounting assembly 2 comprises a guide rail 21, a slide block 22, a connecting member 23, an adjusting member 24 and an executing member 25, wherein the guide rail 21 is fixedly connected with the box body 1 and is positioned at one side of the box body 1, the slide block 22 is slidably connected with the guide rail 21 and is positioned at one side of the guide rail 21 far away from the box body 1, the connecting member 23 is fixedly connected with the box body 1, and the adjusting member 24 is positioned at one side of the box body 1 near the guide rail 21; the actuating member 25 includes a protective cover 251, a supporting rod 252, a measuring plate 253 and a fixing block 254, the protective cover 251 is fixedly connected to the slider 22 and is located at a side of the slider 22 close to the guide rail 21, the supporting rod 252 is slidably connected to the protective cover 251 and penetrates through the protective cover 251, the measuring plate 253 is fixedly connected to the supporting rod 252 and is located at a side of the supporting rod 252 away from the protective cover 251, and the fixing block 254 is fixedly connected to the supporting rod 252 and is located at a side of the supporting rod 252 away from the measuring plate 253.

In this embodiment, the box body 1 is a hollow structure, the guide rails 21 are fixedly connected with the box body 1, the number of the guide rails 21 is two, and the two guide rails 21 are respectively located at the left and right sides of the box body 1, the guide rails 21 are provided with transverse sliding grooves, the number of the sliders 22 is the same as the number of the guide rails 21, the positions of the sliders 22 correspond to the positions of the guide rails 21 one by one, the sliders 22 are matched with the transverse sliding grooves of the guide rails 21, so that the sliders 22 can slide transversely in the transverse sliding grooves of the guide rails 21, the protecting cover 251 is fixedly connected with the sliders 22, so that the protecting cover 251 can slide transversely in the transverse sliding grooves of the guide rails 21 along with the sliders 22, the supporting rods 252 are vertically slidably connected with the protecting cover 251, and the measuring plate 253 is fixedly connected with the supporting rods 252, the fixed block 254 is fixedly connected with the supporting rod 252, so that the vertical movement of the measuring plate 253 can drive the supporting rod 252 and the fixed block 254 to vertically move, thus, a heavy object to be weighed is placed on the measuring plate 253, the measuring plate 253 moves downwards under the action of gravity, the supporting rod 252 moves downwards, the downward movement of the supporting rod 252 drives the fixed block 254 to move downwards, so that a sensor in the box body 1 receives a weight change signal, and weighing of the heavy object can be realized, the sliding block 22 slides transversely in the transverse sliding groove of the guide rail 21 to drive the protective cover 251 to slide transversely on the guide rail 21 along with the sliding block 22, so that the protective cover 251 slides transversely on the box body 1, and the protective cover 251 slides transversely on the box body 1, so that the protective cover 251 can be quickly mounted or dismounted on the box body 1, thereby simplifying the dismounting step and further facilitating the maintenance or replacement of the electrical elements in case of the failure of the electrical elements in the box body 1.

Further, referring to fig. 2 to 4, the connection member 23 includes a load cell 231 and a connection block 232, the load cell 231 is fixedly connected to the box body 1 and is located inside the box body 1; the connection block 232 is fixedly connected with the load cell 231 and is placed on the load cell 231.

Further, referring to fig. 2 and 4, the connection member 23 further includes a controller 233, and the controller 233 is fixedly connected to the box body 1, electrically connected to the load cell 231, and located inside the box body 1.

Further, referring to fig. 4, the connection member 23 further includes a power supply 234, and the power supply 234 is fixedly connected to the box body 1, electrically connected to the controller 233, and located inside the box body 1.

Further, referring to fig. 1 to 4, the connecting member 23 further includes a supporting pillar 235, and the supporting pillar 235 is fixedly connected to the box body 1 and is located on a side of the box body 1 away from the guide rail 21.

Further, referring to fig. 1 to 4, the connecting member 23 further includes a shock pad 236, and the shock pad 236 is fixedly connected to the supporting pillar 235 and is located on a side of the supporting pillar 235 away from the box body 1.

In this embodiment, the load cell 231 is fixedly installed in the box body 1, the type of the load cell 231 is AK-3A, the connection block 232 is fixedly installed on the load cell 231, the controller 233 is fixedly installed in the box body 1 and electrically connected to the load cell 231, the controller 233 is a single chip microcomputer, the type of the controller 233 is AT89C52, the protection cover 251 is laterally slid on the box body 1, so that the fixing block 254 is laterally slid, and the fixing block 254 is clamped in the connection block 232, the weight is placed on the measurement plate 253, so that the measurement plate 253 moves downward under the action of gravity, so that the support rod 252 and the fixing block 254 move downward, and the connection block 232 moves downward, and by the downward movement of the connection block 232, so that the weighing sensor 231 receives the weight change signal and transmits the weight change signal to the controller 233, and thus the weighing of the weight can be realized, the power supply 234 is fixedly installed in the box body 1 and is electrically connected with the controller 233, so that the power supply 234 can supply power for the operation of the controller 233, the supporting column 235 is fixedly installed below the box body 1, the shock pad 236 is fixedly connected with the supporting column 235, the shock pad 236 is made of rubber or a flexible soft material and is installed on the supporting column 235 through the shock pad 236, and thus when the weighing device is accidentally dropped on the ground, the shock pad 236 can symmetrically absorb the impact force received by the resetting device.

Further, referring to fig. 1 and fig. 2, the adjusting member 24 includes a display screen 241 and an operation panel 242, the display screen 241 is fixedly connected to the protecting cover 251, and is electrically connected to the controller 233, and is located on a side of the protecting cover 251 away from the box 1; the operation panel 242 is fixedly connected to the protective cover 251, electrically connected to the controller 233, and located on a side of the protective cover 251 close to the display screen 241.

In this embodiment, the display screen 241 and the operation panel 242 are both fixedly mounted on the protective cover 251 and are both electrically connected to the controller 233, the operation panel 242 is provided with a clear button and a switch button, the operation panel 242 is operated to control and adjust the weighing apparatus, and the display screen 241 is provided to display a weighing value on the display screen 241.

Further, referring to fig. 1 and fig. 2, the actuating member 25 further includes a handle 255, and the handle 255 is fixedly connected to the protecting cover 251 and is located on a side of the protecting cover 251 away from the slider 22.

In this embodiment, the handle 255 is fixedly connected to the protective cover 251, and the user can conveniently remove the protective cover 251 from the container 1 by holding the handle 255.

Referring to fig. 5, the present invention further provides a control system 700 for a micro strain-type weighing apparatus, including the micro strain-type weighing apparatus 100, further including a signal receiving module 200, a circuit amplifying module 300, a circuit filtering module 400 and an analog-to-digital conversion module 500, wherein the signal receiving module 200 is connected to the weighing sensor 231, for receiving the strain electric signal generated by the deformation detected by the wheatstone bridge, the circuit amplification module 300 is connected with the signal receiving module 200, for amplifying the strain electrical signal received by the signal receiving module 200, the circuit filtering module 400 is connected to the circuit amplifying module 300, is used for filtering the electrical signal amplified by the circuit amplification module 300, removing interference signals, the analog-to-digital conversion module 500 is connected to the circuit filtering module 400, and is configured to convert an electrical signal into a digital signal.

Further, referring to fig. 5, the control system 700 of the micro strain-type weighing apparatus further includes a compression module 600, and the compression module 600 is connected to the analog-to-digital conversion module 500 for compressing and integrating the digital signal.

In this embodiment, the signal receiving module 200 processes the strain electrical signal obtained on the weighing device, and then amplifies and filters the electrical signal, and then performs analog-to-digital conversion through the analog-to-digital conversion module 500, so that the electrical signal is converted into a digital signal, and the obtained digital signal is compressed and integrated through the compression module 600, thereby improving the measurement accuracy of the weighing device.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.