CN212340404U - Electronic scale - Google Patents

Abstract

The utility model discloses an electronic scale, including the balance casing, plummer and automatically controlled auto-change over device, be provided with the module of weighing on the balance casing, automatically controlled auto-change over device sets up on the balance casing, automatically controlled auto-change over device can order about the plummer and weigh module contact or separation according to control signal, the plummer can weigh by the module of weighing when weighing the module contact, when the user needs to cut on the plummer, order about the plummer and weigh the module component separation through operating automatically controlled auto-change over device, thereby the user cuts on the plummer, the power of exerting can not conduct to the module of weighing, can not damage the module of weighing, and accomplish when the cutting, when needing to weigh, through operating automatically controlled auto-change over device, can order about the plummer and weigh the module contact, and can weigh by the module article on the plummer, high durability and.

Description

Electronic scale

Technical Field

The utility model relates to an electronic scale technical field, in particular to electronic scale.

Background

Along with the popularization and application of electronic scale at the family, current electronic scale can supply the user to place the article and cut on the plummer, can weigh to the article on the plummer simultaneously, however, because in the cutting process, the user applied force can be through the conduction action on the weighing sensor of electronic scale, easy weighing sensor causes the damage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electronic scale can automatically controlled switching cutting and the state of weighing to can not cause the influence, convenient to use to the module of weighing during the cutting.

According to the utility model discloses an electronic scale of first aspect embodiment, include: the scale shell is provided with a weighing module; a bearing table; the electric control switching device is arranged on the scale shell and can drive the bearing platform to be in contact with or separated from the weighing module according to a control signal, and the bearing platform can be weighed by the weighing module when in contact with the weighing module.

According to the utility model discloses electronic scale has following beneficial effect at least:

the utility model discloses electronic scale, when the user need cut on the plummer, orders about through the automatically controlled auto-change over device of operation the plummer with the weighing module separation to the user cuts on the plummer, and the power of exerting can not conduct to the module of weighing, can not damage the module of weighing, and when the cutting was accomplished, when needing to weigh, through the automatically controlled auto-change over device of operation, can order about plummer and the module contact of weighing to can weigh convenient to use by the article of the module of weighing on to the plummer.

According to some embodiments of the utility model, automatically controlled auto-change over device includes input module, automatically controlled displacement module and control module, control module respectively with input module and automatically controlled displacement module electric connection, control module can be according to the control signal control of input module's input automatically controlled displacement module operation, automatically controlled displacement module can order about the plummer with the module contact or the separation of weighing.

According to some embodiments of the utility model, automatically controlled displacement module includes the electromagnetic drive subassembly and can be adsorbed or the first moving part of repulsion by the electromagnetic drive subassembly, control module with electromagnetic drive subassembly electric connection, the electromagnetic drive subassembly sets up on the balance casing, first moving part activity sets up on the balance casing, first moving part removes and can order about the plummer with the module contact or the separation of weighing.

According to some embodiments of the utility model, automatically controlled displacement module includes motor drive subassembly and can be promoted by motor drive subassembly's second moving part, control module with motor drive subassembly electric connection, motor drive subassembly sets up on the balance casing, second moving part activity sets up on the balance casing, the second moving part removes and can order about the plummer with the module contact or the separation of weighing.

According to some embodiments of the utility model, the motor drive subassembly includes motor and screw rod, control module with motor electric connection, the motor sets up on the balance casing, the drive shaft of motor with the screw rod is connected in order to drive the screw rod rotates, the second moving part cover is established on the screw rod and through helicitic texture with the screw rod is connected, be provided with the guide rail on the balance casing, the second moving part sets up in order to follow on the guide rail removes and orders about the plummer is close to or keeps away from the module of weighing.

According to the utility model discloses a some embodiments, the module of weighing is including setting up weighing sensor subassembly and the platform of weighing in the balance casing, the platform of weighing sets up the upper surface of balance casing, be provided with the opening on the balance casing, the platform of weighing passes the opening extends to balance casing inside with the contact of weighing sensor subassembly, automatically controlled auto-change over device can order about the plummer with the platform of weighing contact or separation.

According to the utility model discloses a some embodiments, the platform protrusion in the upper surface of balance casing weighs, the plummer is located the top of weighing the platform, the bottom of plummer is provided with can allow weighing the platform gets into and the first slot of butt.

According to some embodiments of the utility model, automatically controlled auto-change over device with the plummer components of a whole that can function independently sets up, automatically controlled auto-change over device's drive end can with the plummer contact is in order to order about the plummer removal, be provided with the permission on the plummer automatically controlled auto-change over device's drive end gets into and the second slot of butt.

According to the utility model discloses a some embodiments still include vibration sensor, vibration sensor can detect the vibration of plummer, vibration sensor with control module connects.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of an electronic scale according to an embodiment of the present invention;

FIG. 2 is a top view of an electronic scale according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a cross-section A-A of an electronic scale according to an embodiment of the present invention in a contact state;

FIG. 4 is a sectional view of an electronic scale according to an embodiment of the present invention, in a separated state, taken along a section A-A;

FIG. 5 is an exploded view of an electronic scale according to an embodiment of the present invention;

FIG. 6 is a top view of a scale housing portion of an electronic scale according to an embodiment of the present invention;

FIG. 7 is a top view of a platform portion of an electronic scale according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of a section B-B of a stage portion of an electronic scale according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of an embodiment of an electronic displacement module of an electronic scale according to the present invention;

fig. 10 is a cross-sectional view of another embodiment of an electronic displacement module of an electronic scale according to the present invention;

FIG. 11 is a block diagram of an electronic scale according to an embodiment of the present invention;

FIG. 12 is a control flow chart of an electronic scale according to an embodiment of the present invention;

fig. 13 is a waveform diagram of a vibration sensor of an electronic scale according to an embodiment of the present invention.

Reference numerals:

the scale comprises a scale shell 100, an opening 110, a bearing platform 200, a first slot 210, a second slot 220, an input module 300, an electronic control displacement module 400, an electromagnetic driving component 410, a first movable part 420, a first mounting seat 430, a motor driving component 440, a second movable part 450, a second mounting seat 460, a control module 500, a display module 600, a weighing module 700, a weighing sensor component 710, a weighing sensor 711, a weighing sensor support 712 and a weighing platform 720.

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 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-11, according to the embodiment of the present invention, an electronic scale includes a scale housing 100, a carrier 200 and an electronic control switching device, a weighing module 700 is disposed on the scale housing 100, the electronic control switching device can order the carrier 200 to contact or separate from the weighing module 700 according to a control signal, and the carrier 200 can be weighed by the weighing module 700 when contacting the weighing module 700.

The scale housing 100 may have various shapes, as shown in fig. 1 and 2, the scale housing 100 may have a rectangular shape, a circular shape, or other shapes, and the platform 200 may have a disk shape or a flat plate shape, and may be used as a chopping board for cutting, and it should be noted that, since the purpose of the design is to prevent a force applied during cutting from being applied to the load cell, the weighing module 700 may include a plate, a bracket, and other components, such as a panel and the like on the scale housing 100, which are disposed on the scale housing 100 and can be contacted and transmit the force to the load cell, in addition to the load cell.

The utility model discloses electronic scale, when the user need cut on plummer 200, order about plummer 200 and the separation of module 700 of weighing through the automatically controlled auto-change over device of operation, thereby the user cuts on plummer 200, the power of exerting can not conduct to the module 700 of weighing, can not damage the module 700 of weighing, and when the cutting is accomplished, when needing to weigh, through the automatically controlled auto-change over device of operation, can order about plummer 200 and the module 700 contact of weighing, and can weigh by the article of the module 700 of weighing on plummer 200, high durability and convenient use.

In some embodiments of the present invention, the electronic control switching device includes an input module 300, an electronic control displacement module 400 and a control module 500, the control module 500 is electrically connected to the input module 300 and the electronic control displacement module 400 respectively, the control module 500 can control the electronic control displacement module 400 to operate according to the control signal of the input module 300, the electronic control displacement module 400 can order about the plummer 200 to contact or separate from the weighing module 700, specifically, the electronic control displacement module 400 has four, which are respectively located at four corners of the electronic scale, so that the stress is balanced.

Wherein, the input module 300 may include operation keys, a touch panel, etc., the control module 500 may be composed of an MCU, a CPU or a PLC processing chip and its peripheral circuits, further, the electronic scale generally further includes a display module 600 and a processor, the processor here may be integrated with the control module 500, or may respectively adopt two processing chips, which will be described below as an integrated body, the control module 500 is respectively connected with the display module 600 and a weighing sensor, thereby obtaining the weight of an object on the carrying platform 200 according to information fed back by the weighing sensor, and then displaying through the display module 600, the display module 600 may adopt a liquid crystal touch screen, and the input module 300 may be integrated with the display module 600.

In some embodiments of the present invention, as shown in fig. 9, the electronic control displacement module 400 includes an electromagnetic driving component 410 and a first moving member 420 that can be adsorbed or repelled by the electromagnetic driving component 410, the control module 500 is electrically connected to the electromagnetic driving component 410, the electromagnetic driving component 410 is disposed on the scale housing 100, the first moving member 420 is movably disposed on the scale housing 100, and the first moving member 420 moves to enable the loading platform 200 to contact or separate from the weighing module 700.

Specifically, the electronic control displacement module 400 further includes a first mounting base 430 disposed in the scale housing 100, the electromagnetic driving component 410 is disposed in the first mounting base 430, an extension opening allowing the first movable member 420 to move is disposed on the first mounting base 430, the electromagnetic driving component 410 includes an iron core and a coil wound on the iron core, the control module 500 is connected to the coil to control current to pass through the coil, so that the iron core generates magnetism, the first movable member 420 is a magnetic top block, and a polarity of one end of the iron core generating magnetism close to the first movable member 420 is opposite to a polarity of a position of the first movable member 420 close to the iron core, so that the first movable member 420 can be pushed out from the extension opening, thereby driving the carrying platform 200 to move and separate from the weighing module 700.

In some embodiments of the present invention, as shown in fig. 10, the electric control displacement module 400 includes a motor driving component 440 and a second movable member 450 capable of being pushed by the motor driving component 440, the control module 500 is electrically connected to the motor driving component 440, the motor driving component 440 is disposed on the scale housing 100, the second movable member 450 is movably disposed on the scale housing 100, and the second movable member 450 moves to enable the carrying platform 200 to contact with or separate from the weighing module 700.

Specifically, the electronic control displacement module 400 further includes a second mounting base 460 disposed in the scale housing 100, the motor driving assembly 440 is disposed in the second mounting base 460, an extension opening allowing the second movable member 450 to move is disposed on the second mounting base 460, the motor driving assembly 440 includes a motor and a screw, the control module 500 is electrically connected to the motor to control the operation of the motor, the motor is disposed on the scale housing 100 (specifically, the motor may be disposed in the second mounting base 460), a driving shaft of the motor is connected to the screw to drive the screw to rotate, the second movable member 450 is sleeved on the screw and is connected to the screw through a thread structure, a guide rail is disposed on the scale housing 100 (specifically, the guide rail may be disposed in the second mounting base 460, which is not shown in the figure, and is used for limiting the rotation of the second movable member 450), the second movable member 450 is disposed on the guide rail, the second movable member 450 moves along the guide rail under the rotation of the motor to drive the platform 200 to approach or depart from the weighing module 700.

Besides, the electronic control displacement module 400 may also be composed of an air cylinder and a push rod.

In some embodiments of the present invention, as shown in fig. 3, 4 and 5, the weighing module 700 includes a weighing sensor module 710 and a weighing platform 720 disposed in the scale housing 100, the weighing platform 720 is disposed on the upper surface of the scale housing 100, the carrying platform 200 is disposed above the weighing platform 720, the opening 110 is disposed on the scale housing 100, the weighing platform 720 passes through the opening 110 and extends to the inside of the scale housing 100 to contact with the weighing sensor module 710, and the electric control switching device can order about the carrying platform 200 to contact with or separate from the weighing platform 720.

Specifically, the electrically controlled switching device can jack up the carrier 200, so that the carrier 200 is separated from the weighing platform 720, and is supported by the electrically controlled switching device, and can also move downwards, so that the carrier 200 is supported by the weighing platform 720, the gravity of the object placed on the carrier 200 can be pressed against the weighing platform 720, and is conducted to the weighing sensor assembly 710 by the weighing platform 720, and the weighing sensor assembly 710 can be composed of a weighing sensor 711 and a weighing sensor bracket 712, and the weighing sensor bracket 712 is arranged in the scale housing 100, so as to install and fix the weighing sensor 711.

The utility model discloses an in some embodiments, as shown in fig. 6, weigh platform 720 protrusion in the upper surface of balance casing 100, the bottom of plummer 200 is provided with the first slot 210 that can allow weighing platform 720 to get into and the butt, because plummer 200 can with automatically controlled auto-change over device components of a whole that can function independently setting, order about plummer 200 when moving down at automatically controlled auto-change over device, weigh platform 720 can insert first slot 210 in, can restrict plummer 200 and the position of weighing platform 720, plummer 200 supports better and presses on weighing platform 720, thereby improve the precision of weighing.

It should be noted that, in some embodiments of the present invention, the weighing module 700 may be composed of a panel disposed above the scale housing 100 and the load cell assembly 710, and the bearing platform 200 and the object thereon can make the panel press on the load cell assembly 710, so as to weigh the object.

The utility model discloses an in some embodiments, automatically controlled auto-change over device can fixed connection with plummer 200, perhaps automatically controlled auto-change over device sets up with plummer 200 components of a whole that can function independently, and the user can change the type of plummer 200 according to actual conditions.

As shown in fig. 7 and 8, the driving end of the electrically controlled switching device can contact with the carrier 200 to drive the carrier 200 to move, it should be noted that the driving end of the electrically controlled switching device can be the first movable member 420 or the second movable member 450, and the carrier 200 is provided with the second slot 220 allowing the driving end of the electrically controlled switching device to enter and abut against, so as to better lift the carrier 200 and limit the position of the carrier 200.

Specifically, in the cutting state, the electric control switching device jacks up the bearing platform 200, the weighing platform 720 is in a suspended separation state relative to the first slot 210, the weighing platform 720 is not in contact with the bearing platform 200, in the weighing state, the driving end of the electric control switching device moves downwards, the weighing platform 720 enters the first slot 210, and the driving end of the electric control switching device is in a suspended separation state relative to the second slot 220, so that the weighing is more accurate.

As shown in fig. 12, a weighing method of an electronic scale includes: a target weight obtaining step of obtaining target weight information input in the input module 300; weighing, namely, driving the bearing platform 200 to contact with the weighing module 700 so as to weigh and output the actual weight information of the object to be weighed on the bearing platform 200; a judging step, namely judging whether the actual weight information accords with the target weight information, if not, driving the bearing platform 200 to be separated from the weighing module 700 until a weighing control instruction is received, and then entering a weighing step; wherein, the weighing step and the judging step are circulated until the actual weight information is consistent with the target weight information.

It should be noted that the target weight information may be a numerical value or a range, when the user sets the target weight information, a numerical value may be input, the control module 500 converts the numerical value into a reserved range of ±, or the user may set the range value by himself, the actual weight information is equal to the target weight information or the actual weight information is within the range of the target weight information, the actual weight information may be considered to conform to the target weight information, the user may set the target weight information, then the object is placed on the carrier 200 and cut under the condition that the carrier 200 is separated from the weighing module 700, or the carrier 200 is weighed under the condition that the carrier 200 is in contact with the weighing module 700, if the weighing result indicates that the actual weight information of the object does not conform to the target weight information, the state of separating the carrier 200 from the weighing module 700 is automatically switched, so that the user can increase or decrease the objects on the bearing table 200, and the use is convenient.

In some embodiments of the present invention, the step of obtaining the target weight and the step of weighing comprise: selecting whether to enter a weighing step, if so, entering the weighing step, and if not, entering the weighing step until a weighing control instruction is received; the electronic scale further includes a vibration sensor capable of detecting vibration of the carrier 200, the vibration sensor being connected to the control module 500, wherein a weighing control command is input by the input module 300 or generated by the control module 500 according to a signal fed back from the vibration sensor.

As shown in fig. 13, during the cutting process, the vibration sensor outputs a signal, the peak value of the signal in the diagram represents each cutting action, and when no cutting action is generated within a period of time, the control module 500 may consider that the external cutting process is completed, that is, a weighing control command is generated, and then the weighing step is performed.

Specifically, when the user uses the weighing device, the user inputs target weight information through the input module 300, and can select to directly enter a weighing step or a cutting step through the input module 300, if the weighing step is entered, the electric control switching device controls the bearing table 200 to be in contact with the weighing module 700 for weighing, actual weight information of an object is output, and if the actual weight information of the object does not accord with the target weight information, the cutting step is entered;

if the user selects to enter the cutting step, the user needs to cut the object of the bearing table 200 first, after the cutting is finished, the user can operate the input module 300 by himself to control to enter the weighing step, and can also control to enter the weighing step through the detection of the vibration sensor.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An electronic scale, comprising:

the scale shell is provided with a weighing module;

a bearing table;

the electric control switching device is arranged on the scale shell and can drive the bearing platform to be in contact with or separated from the weighing module according to a control signal, and the bearing platform can be weighed by the weighing module when in contact with the weighing module.

2. An electronic scale according to claim 1, characterized in that: the electronic control switching device comprises an input module, an electronic control displacement module and a control module, wherein the control module is electrically connected with the input module and the electronic control displacement module respectively, the control module can control the electronic control displacement module to operate according to a control signal input by the input module, and the electronic control displacement module can drive the bearing platform to be in contact with or separated from the weighing module.

3. An electronic scale according to claim 2, characterized in that: the electric control displacement module comprises an electromagnetic driving assembly and a first moving part capable of being adsorbed or repelled by the electromagnetic driving assembly, the control module is electrically connected with the electromagnetic driving assembly, the electromagnetic driving assembly is arranged on the scale shell, the first moving part is movably arranged on the scale shell, and the first moving part moves to drive the bearing platform to be in contact with or separated from the weighing module.

4. An electronic scale according to claim 2, characterized in that: the electric control displacement module comprises a motor driving component and a second moving part which can be pushed by the motor driving component, the control module is electrically connected with the motor driving component, the motor driving component is arranged on the scale shell, the second moving part is movably arranged on the scale shell, and the second moving part moves to drive the bearing platform to be in contact with or separated from the weighing module.

5. An electronic scale according to claim 4, wherein: the motor drive assembly comprises a motor and a screw rod, the control module is electrically connected with the motor, the motor is arranged on the scale shell, a drive shaft of the motor is connected with the screw rod to drive the screw rod to rotate, the second moving part is sleeved on the screw rod and is connected with the screw rod through a threaded structure, a guide rail is arranged on the scale shell, and the second moving part is arranged on the guide rail to move along the guide rail to drive the bearing platform to be close to or far away from the weighing module.

6. An electronic scale according to claim 2, characterized in that: the weighing module comprises a weighing sensor assembly and a weighing platform, the weighing sensor assembly and the weighing platform are arranged in a scale shell, the weighing platform is arranged on the upper surface of the scale shell, an opening is formed in the scale shell, the weighing platform penetrates through the opening and extends to the inside of the scale shell to be in contact with the weighing sensor assembly, and the bearing platform can be driven to be in contact with or separated from the weighing platform by the electric control switching device.

7. An electronic scale according to claim 6, wherein: the weighing platform is protruded out of the upper surface of the scale shell, the bearing platform is positioned above the weighing platform, and a first slot capable of allowing the weighing platform to enter and abut against is formed in the bottom of the bearing platform.

8. An electronic scale according to claim 7, wherein: the electric control switching device and the bearing table are arranged in a split mode, the driving end of the electric control switching device can be in contact with the bearing table to drive the bearing table to move, and a second slot allowing the driving end of the electric control switching device to enter and abut against is arranged on the bearing table.

9. An electronic scale according to claim 2, characterized in that: still include vibration sensor, vibration sensor can detect the vibration of plummer, vibration sensor with control module connects.

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