CN107356313B - Portable tracing balance - Google Patents
Portable tracing balance Download PDFInfo
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- CN107356313B CN107356313B CN201710501603.3A CN201710501603A CN107356313B CN 107356313 B CN107356313 B CN 107356313B CN 201710501603 A CN201710501603 A CN 201710501603A CN 107356313 B CN107356313 B CN 107356313B
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- scale
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- traceability
- balance
- liquid crystal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/413—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means
- G01G19/414—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only
- G01G19/415—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight using electromechanical or electronic computing means using electronic computing means only combined with recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of electronic scales and Internet of things, in particular to a portable traceability scale which comprises a scale body and a scale pan and is characterized by further comprising a first liquid crystal screen, a second liquid crystal screen, a loudspeaker, an electric quantity indicator lamp, a power socket, a switch button, a first cover, a printer, a hook, a heat dissipation hole, a weighing balance block, a second cover, an elastic bandage, a first support frame and a second support frame, wherein two ends of the elastic bandage are respectively connected with a circular ring, the top surface of the scale body is provided with two connecting holes, and an electronic metering system is arranged in the scale body. The invention has the advantages of simple structure, small volume, convenient carrying and use, capability of transmitting data such as varieties, weighing data, transaction price and the like to the background server on the transaction site and the like.
Description
Technical Field
The invention relates to the technical field of electronic scales and Internet of things, in particular to a portable traceability scale.
Background
The following three disadvantages of the source scale on the market are common: 1. as shown in fig. 10, the size is too large and not easy to move, and it is inconvenient for a merchant to move the scale to another place or take it away, and the main reason for the oversize is that the keyboard is too large, so the whole base can only be made larger and thicker; 2. as shown in fig. 11, the hole on the top surface of the base of the conventional traceability scale is too large, so that insects such as cockroaches easily penetrate into the scale body, and electronic circuits such as a main board of the traceability scale are damaged; 3. the moisture-proof effect of the traceability scale is poor, particularly the bottom of the support rod is often damaged by water, the influence is small when dry goods such as edible fungus and potato powder are sold, the influence is large when the traceability scale is used on the site for selling aquatic products, and the bottom of the base and the support rod are often corroded, so that a portable traceability scale needs to be provided aiming at the problems.
Disclosure of Invention
In view of the above situation, the portable traceability scale provided by the invention has the advantages that the liquid crystal screen replaces the keyboard of the traceability scale on the market at present, the functions of integrated chips such as a CPU (central processing unit) and a storage module are combined, the input area is provided with function keys such as page turning keys, the variety keys with a plurality of food names and other keys are contained in the liquid crystal screen, the purpose of replacing a larger keyboard with a smaller liquid crystal screen is achieved, the integral volume of the traceability scale is reduced, the liquid crystal screen is hinged with the guide rail and the inner side of the scale body, and the inner side of the scale body is provided with the sliding chute, so that the liquid crystal screen can be retracted into the scale body; change original base top surface trompil into two connecting holes of present balance body top surface, it just has enough two screws to pass to and set up two support frames at balance body base through damping hinge articulated mode, when meetting the water of stand more, can support the balance, fix the balance dish through bandage and two support frames of receiving when receiving the stand simultaneously, consequently the less portable scale of tracing to the source of volume can be carried away at once, has effectively solved the three shortcoming of the aforesaid mentioning.
The technical scheme of the invention is as follows:
portable balance of tracing to source, including the balance body and balance, its characterized in that: the front side of the scale body is provided with a first liquid crystal screen, the back side of the scale body is provided with a second liquid crystal screen and a loudspeaker, the left side surface of the scale body is provided with an electric quantity indicator lamp, a power socket, a switch button, a second heat dissipation hole, a second hook and a groove, the groove is covered with a second cover, the right side surface of the scale body is provided with a bill outlet, a first heat dissipation hole and a first hook, the top surface of the scale body is provided with a first connection hole, a second connection hole and a weighing balance block, the bottom of the scale body is provided with a power line storage groove, and the power line storage groove is covered with the first cover; the portable traceable scale further comprises a first support frame and a second support frame, one end of the first support frame is hinged to the lower edge of the front face of the scale body through a damping hinge, the other end of the first support frame is hinged to the lower edge of the back face of the scale body through the damping hinge, one end of the second support frame is hinged to the lower edge of the front face of the scale body through the damping hinge, and the other end of the second support frame is hinged to the lower edge of the back face of the scale body through the damping hinge; the portable traceability scale further comprises an elastic bandage, wherein two ends of the elastic bandage are fixedly connected with a circular ring respectively; an electronic metering system is arranged in a scale body of the portable traceability scale.
The first liquid crystal screen plays a role in inputting information to a seller, and the second liquid crystal screen plays a role in presenting transaction information to a consumer; the transaction information can be broadcasted to the consumers loud by the loudspeaker, so that the convenience is brought to the old consumers; the weighing bracket is fixed on the top surface of the scale body through the first connecting hole and the second connecting hole by the first screw and the second screw; the first support frame and the second support frame can support the traceability scale when the booth is in a large water level, and can be horizontally placed at ordinary times; after the sale is finished, the seller directly connects the circular rings at the two sides of the elastic bandage with the first hook and the second hook, and then retracts the first support frame and the second support frame to fix the scale pan; the power cord is stored in the groove, so that the traceability scale is more convenient to lift away.
The weighing balance block comprises a weighing support, the weighing support is fixed on the top surface of the scale body through a gasket by a first screw and a second screw, four corners of the weighing support are provided with balance pieces, the middle part of the weighing support is also provided with two balance pieces, and the two balance pieces are positioned on two sides of the gasket and are positioned on the same straight line with the two screws; the scale pan is placed on the weighing balance block.
The weighing balance block plays a role in accurately transferring the weight on the scale pan to the weighing sensor.
The electronic metering system comprises a power supply module, a CPU and a weighing sensor, wherein the weighing sensor is connected with the CPU through a weighing signal conversion module, the CPU is further connected with a first liquid crystal screen, a second liquid crystal screen, a WIFI module, a USB interface, a data line serial port, a storage module, a word stock chip, a positioning module, a voice broadcast module and a printer, and the power supply supplies power to the printer, the CPU and the first liquid crystal screen through a switch button respectively.
The power supply module is provided with an electric quantity indicating lamp, so that a user can be reminded of the remaining electric quantity at any time; when a weighed object is pressed on a scale pan, a weighing sensor transmits an analog signal to a weighing signal conversion module, the weighing signal conversion module converts the analog signal into a digital signal and then transmits the digital signal to a CPU, the CPU calculates the received digital signal, namely the weight of the weighed object and information such as variety and unit price input by a seller through a first liquid crystal screen input area, the calculation result is displayed through a second liquid crystal screen and a first liquid crystal screen display area, the calculation result is broadcasted through a voice broadcast module, transaction information such as variety, quantity and price is stored in a storage module and is transmitted to a background server through a WIFI module, the background server can also update commodity information in the storage module through the WIFI module and the CPU, and after a printer prints out a transaction bill, a consumer can know relevant information such as a production place, a delivery time and whether the purchased commodity belongs to transgenosis or not through a two-dimensional code scanning mode on the bill; the data line serial port can be connected with an external POS machine and a scanning gun; the seller can also input the name of the variety which cannot be updated by the background server or the name of the variety which is updated wrongly to the storage module through the first liquid crystal screen input area, the CPU and the word stock chip; as long as the portable traceability system is powered on, the background server is positioned to the portable traceability scale in the market through the positioning module.
Further, first LCD screen upper end both sides are articulated with the internal side of scale, first LCD screen lower extreme both sides are articulated with first guide rail, second guide rail respectively, first guide rail, second guide rail are connected with the internal side spout of scale, second LCD screen upper end both sides are articulated with the internal side of scale, second LCD screen lower extreme both sides are articulated with third guide rail, fourth guide rail respectively, third guide rail and fourth guide rail are connected with the internal side spout of scale.
The first liquid crystal screen and the second liquid crystal screen can be retracted into the scale body, so that the liquid crystal screen is convenient to lift away; when the liquid crystal display is sold, the liquid crystal display can be pulled out by scratching the lower edge of the liquid crystal display by hand, the first liquid crystal display is inclined, so that a seller can input information, and the second liquid crystal display is inclined, so that the consumer can check consumption information conveniently.
Furthermore, a first fixing hole and a second fixing hole of the measuring end of the weighing sensor respectively correspond to a first connecting hole and a second connecting hole of the top surface of the scale body from top to bottom, the first fixing hole and the first connecting hole penetrate through a first screw, and the second fixing hole and the second connecting hole penetrate through a second screw.
The screw passes through connecting hole, fixed orifices and will weigh the support and be connected with weighing sensor, and the balance body top surface only sets up two connecting holes that the size is suitable, the position is accurate simultaneously, has effectively solved the too big problem that leads to cockroaches etc. to scurry into the balance body inside of tracing to the source balance base top surface trompil before.
Furthermore, the first liquid crystal display is provided with a display area and an input area, and the input area is provided with a variety key, a number key and a function key.
The display area displays the content of the second liquid crystal screen; the input area has various commodity variety touch keys, if the current page has no variety to be input, the next page can be turned over by the page turning key in the function keys, and the function keys have touch keys of up-down left-right selection keys, cancel, zero setting, exit, clear and the like besides the page turning key.
Further, the voice broadcast module comprises a power amplifier and a loudspeaker, and the CPU voice signal output end is connected with the loudspeaker through the power amplifier.
Further, a USB interface and a data line serial port are arranged in the groove.
The beneficial effects of the invention are as follows:
1. according to the portable traceability scale, a liquid crystal screen replaces a common traceability scale keyboard on the market, functions of integrated chips such as a CPU (Central processing Unit) and a storage module are utilized, function keys such as a page turning key are arranged in an input area, variety keys with a plurality of food names and other keys are contained in the liquid crystal screen, and the purpose of replacing a current larger keyboard with a smaller liquid crystal screen is achieved, so that the overall volume of the traceability scale is reduced, the liquid crystal screen is hinged with a guide rail and the inner side of the scale body, and the liquid crystal screen can be retracted into the scale body in a manner of arranging a sliding groove in the inner side of the scale body, so that the portable traceability scale is convenient to lift;
reduce the balance body top surface trompil simultaneously into two connecting holes, just enough two screws pass, effectively solved current the too big insect that leads to such as cockroach of source balance base top surface trompil and scurried into and lead to the destroyed problem of electronic circuit board, and set up two support frames at balance body base through damping hinge articulated mode, run into the water of stand when more, can support the balance, fix the balance dish through bandage and two support frames of receiving when simultaneously collecting the stand, therefore the less portable balance of tracing to the source of volume can be carried away at once, effectively solved the three shortcoming of the current balance ubiquitous of tracing to the source that mentions in the technical background.
2. The portable traceability scale has the advantages of scientific and reasonable design, simple structure, small volume, convenience in operation and carrying and the like.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some examples of the present invention, and it is also possible for a person skilled in the art to obtain other drawings based on these drawings without inventive step.
FIG. 1 is a front view of a portable traceability scale;
FIG. 2 is a diagram of a back view of a portable traceability scale;
FIG. 3 is a block diagram of a portable traceability scale;
FIG. 4 is a left side elevation view of the portable traceability scale;
FIG. 5 is a bottom view of a portable traceability scale;
FIG. 6 is a right side elevation view of the portable traceability scale;
FIG. 7 is a top view of a portable traceability scale body;
FIG. 8 is a top view of the scale body of the portable traceability scale after the weighing bracket is installed;
FIG. 9 is a schematic block diagram of a portable traceability scale circuit;
FIG. 10 is a block diagram of a prior art traceability scale;
FIG. 11 is a top view of a prior art traceability scale base;
in the attached drawing, 1-scale pan, 2-scale body, 3-first hook, 4-first heat dissipation hole, 5-bill outlet, 6-first support frame, 7-first guide rail, 8-first liquid crystal screen, 9-second support frame, 10-ring, 11-bandage, 12-horn, 13-second cover, 14-second hook, 15-second heat dissipation hole, 16-switch button, 17-electric quantity indicator lamp, 18-power socket, 19-second liquid crystal screen, 20-third guide rail, 21-fourth guide rail, 22-first cover, 23-weighing bracket, 24-balance sheet, 25-gasket, 26-first screw, 27-second screw, 28-weighing sensor, 29-opening of top surface of base, 30-first connection hole, 31-second connection hole, 32-top surface of scale body, 33-second guide rail, 34-top surface of existing traceability scale base, 35-first fixing hole, 36-second fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the examples of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example (b):
with reference to fig. 1-9, a portable traceability scale comprises a scale body and a scale pan, wherein a first liquid crystal screen is mounted on the front surface of the scale body, a second liquid crystal screen and a loudspeaker are mounted on the back surface of the scale body, an electric quantity indicator lamp, a power socket, a switch button, a second heat dissipation hole, a second hook and a groove are arranged on the left side surface of the scale body, a second cover covers the groove, a bill outlet, a first heat dissipation hole and a first hook are arranged on the right side surface of the scale body, a first connection hole, a second connection hole and a weighing balance block are arranged on the top surface of the scale body, a power line storage groove is arranged at the bottom of the scale body, and the first cover covers the power line storage groove;
the weighing balance block comprises a weighing support, the weighing support is fixed on the top surface of the scale body through a gasket by a first screw and a second screw, four corners of the weighing support are provided with balance pieces, the middle part of the weighing support is also provided with two balance pieces, and the two balance pieces are positioned on two sides of the gasket and are positioned on the same straight line with the two screws; the scale pan is placed on the weighing balance block.
The portable traceability scale further comprises a first support frame and a second support frame, wherein one end of the first support frame is hinged to the lower edge of the front face of the scale body through a damping hinge, the other end of the first support frame is hinged to the lower edge of the back face of the scale body through the damping hinge, one end of the second support frame is hinged to the lower edge of the front face of the scale body through the damping hinge, and the other end of the second support frame is hinged to the lower edge of the back face of the scale body through the damping hinge;
the portable traceability scale further comprises an elastic bandage, and two ends of the elastic bandage are fixedly connected with rings respectively;
the portable traceability scale is characterized in that an electronic metering system is arranged in a scale body of the portable traceability scale and comprises a power module, a CPU and a weighing sensor, the weighing sensor is connected with the CPU through a weighing signal conversion module, the CPU is further connected with a first liquid crystal screen, a second liquid crystal screen, a WIFI module, a USB interface, a data line serial port, a storage module, a word library chip, a positioning module, a voice broadcast module and a printer, and the power supply supplies power to the printer, the CPU and the first liquid crystal screen through a switch button.
First LCD screen upper end both sides are articulated with the internal side of balance, first LCD screen lower extreme both sides are articulated with first guide rail, second guide rail respectively, first guide rail, second guide rail are connected with the internal side spout of balance, second LCD screen upper end both sides are articulated with the internal side of balance, second LCD screen lower extreme both sides are articulated with third guide rail, fourth guide rail respectively, third guide rail and fourth guide rail are connected with the internal side spout of balance.
The first fixing hole and the second fixing hole of the measuring end of the weighing sensor respectively correspond to the first connecting hole and the second connecting hole of the top surface of the scale body from top to bottom, the first fixing hole and the first connecting hole penetrate through a first screw, and the second fixing hole and the second connecting hole penetrate through a second screw.
The first liquid crystal screen is provided with a display area and an input area, and the input area is provided with a variety key, a number key and a function key.
The voice broadcast module comprises a power amplifier and a loudspeaker, and the CPU voice signal output end is connected with the loudspeaker through the power amplifier.
And a USB interface and a data line serial port are arranged in the groove.
The working process of the invention is as follows:
with reference to fig. 1 to 7, after the farmer product seller brings the portable traceability scale to the farmer market, the first cover of the base is opened, the traceability scale is kept flat after taking out the power cord, the traceability scale is connected with the external power supply through the socket, the power supply module is charged when the external power supply supplies power to the traceability scale, the bottoms of the first liquid crystal screen and the second liquid crystal screen are pulled by hands to pull out the liquid crystal screens to enable the liquid crystal screens to be in an inclined state, the switch button is pressed, the password input column appears in the display area of the first liquid crystal screen, the seller can input the password through the digital touch key, after the traceability scale is formally started, the background server in the farmer market updates the information of the storage module of the traceability scale through the wireless network, and the traceability information of the farmer product sold on the same day is ensured to be up-to-date, if there is the variety of sale on the stall but does not have its name when the backstage is updated, the seller also can manually input the name of this variety to the storage module through the input area and store, when the customer trades, the seller can through input area input relevant data, final transaction information can be shown at display area and second liquid crystal screen, and give the customer through voice broadcast, transaction information can be saved to the storage module and transmit to the backend server in farmer's trade market simultaneously, backend server can make statistics of relevant data and in time report the commodity of selling out of discount and the fast sale in the market with the broadcast, after the bill is printed out to the printer, the customer can know the detailed information of the commodity of purchasing through scanning the two-dimensional code on the bill.
If the portable traceability scale is used in the aquatic product sales area or the accumulated water in the area using the traceability scale is more, the traceability scale is supported by the first support frame and the second support frame, so that the water corrosion of the traceability scale is avoided, and the following steps are the same as the steps.
After selling, after data uploading is finished, the power switch is pressed, the power line is packed up, the liquid crystal screen is retracted into the balance body, the circular ring of the elastic bandage is connected with hooks on two sides of the traceability balance, and then the first support frame and the second support frame are packed up to lift away the portable traceability balance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. Portable balance of tracing to source, including the balance body (2) and pan of steelyard (1), its characterized in that: the portable electronic scale is characterized in that a first liquid crystal screen (8) is installed on the front side of the scale body, a second liquid crystal screen (19) and a loudspeaker (12) are installed on the back side of the scale body, an electric quantity indicator lamp (17), a power socket (18), a switch button (16), a second heat dissipation hole (15), a second hook (14) and a groove are arranged on the left side face of the scale body, a second cover (13) covers the groove, a bill outlet (5), a first heat dissipation hole (4) and a first hook (3) are arranged on the right side face of the scale body, a first connecting hole (30), a second connecting hole (31) and a weighing balance block are arranged on the top face of the scale body, a power line storage groove is formed in the bottom of the scale body, and a first cover (22) covers the power line storage groove;
the weighing balance block comprises a weighing support (23), the weighing support is fixed on the top surface of the scale body through a gasket (25) by a first screw (26) and a second screw (27), balancing pieces (24) are arranged at four corners of the weighing support, two balancing pieces are further arranged in the middle of the weighing support, the two balancing pieces are positioned at two sides of the gasket and are positioned on the same straight line with the two screws, and the scale pan (1) is placed on the weighing balance block;
the portable traceability scale further comprises a first support frame (6) and a second support frame (9), wherein one end of the first support frame is hinged to the lower edge of the front face of the scale body through a damping hinge, the other end of the first support frame is hinged to the lower edge of the back face of the scale body through the damping hinge, one end of the second support frame is hinged to the lower edge of the front face of the scale body through the damping hinge, and the other end of the second support frame is hinged to the lower edge of the back face of the scale body through the damping hinge;
the portable traceability scale further comprises an elastic bandage (11), and two ends of the elastic bandage are fixedly connected with a circular ring (10) respectively;
the portable traceability scale is characterized in that an electronic metering system is arranged in a scale body of the portable traceability scale and comprises a power supply module, a CPU and a weighing sensor, the weighing sensor is connected with the CPU through a weighing signal conversion module, the CPU is further connected with a first liquid crystal screen, a second liquid crystal screen, a WIFI module, a USB interface, a data line serial port, a storage module, a word library chip, a positioning module, a voice broadcast module and a printer, and the power supply is respectively supplied for the printer, the CPU and the first liquid crystal screen through a switch button.
2. The portable traceability scale of claim 1, wherein: first LCD screen (8) upper end both sides are inboard articulated with the balance body (2), first LCD screen lower extreme both sides are articulated with first guide rail (7), second guide rail (33) respectively, first guide rail, second guide rail are connected with the internal side spout of balance, second LCD screen (19) upper end both sides are inboard articulated with the balance body, second LCD screen lower extreme both sides are articulated with third guide rail (20), fourth guide rail (21) respectively, third guide rail and fourth guide rail are connected with the internal side spout of balance.
3. The portable traceability scale of claim 1, wherein: first fixed orifices (35), second fixed orifices (36) of weighing sensor (28) measuring terminal correspond from top to bottom with first connecting hole (30), second connecting hole (31) of balance body top surface (32) respectively, first fixed orifices (35) are connected through first screw (26) with first connecting hole (30), second fixed orifices (36) are connected through second screw (27) with second connecting hole (31).
4. The portable traceability scale of claim 1, wherein: the first liquid crystal screen (8) is provided with a display area and an input area, and the input area is provided with a variety key, a number key and a function key.
5. The portable traceability scale of claim 1, wherein: the voice broadcasting module comprises a power amplifier and a loudspeaker, and the CPU voice signal output end is connected with the loudspeaker through the power amplifier.
6. The portable traceability scale of claim 1, wherein: and a USB interface and a data line serial port are arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501603.3A CN107356313B (en) | 2017-06-27 | 2017-06-27 | Portable tracing balance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501603.3A CN107356313B (en) | 2017-06-27 | 2017-06-27 | Portable tracing balance |
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| CN107356313A CN107356313A (en) | 2017-11-17 |
| CN107356313B true CN107356313B (en) | 2023-03-28 |
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