CN113804278A - Body weight scale of idle outage - Google Patents
Body weight scale of idle outage Download PDFInfo
- Publication number
- CN113804278A CN113804278A CN202111231330.8A CN202111231330A CN113804278A CN 113804278 A CN113804278 A CN 113804278A CN 202111231330 A CN202111231330 A CN 202111231330A CN 113804278 A CN113804278 A CN 113804278A
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- scale
- fixedly connected
- idle
- transmission system
- weight scale
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- 230000037396 body weight Effects 0.000 title abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000005303 weighing Methods 0.000 claims abstract description 18
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 7
- 230000005389 magnetism Effects 0.000 claims description 7
- 238000005381 potential energy Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/44—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of electronic scales and discloses a body weight scale with idle power failure. According to the invention, through designing the shell, the conductive rod, the sliding groove, the contact, the bearing block and the pressure spring, when a person stands on the scale body for weighing, the scale body drives the force transmission system to slide downwards by overcoming the potential energy of the pressure spring through the weight of the human body, meanwhile, the sliding groove positioned on the lower side of the force transmission system also slides downwards, when the sensor is in contact with the bearing block, the contact on the top of the sliding groove is in contact with the conductive rod, so that the display is connected through a lead, the weight of a user is displayed on the display, when the electronic scale is idle, the scale body drives the force transmission system to move upwards through the potential energy of the pressure spring, so that the conductive rod is separated from the contact for power failure, the power failure of the electronic scale is realized when the electronic scale is idle, and the situation that an idle battery of the electronic scale is still electrified, and the positive and negative electrodes at the battery box are rusted is avoided.
Description
Technical Field
The invention relates to the technical field of electronic scales, in particular to a weight scale with idle power failure.
Background
The electronic balance is a kind of weighing apparatus, it is a tool for measuring the mass of object by using hooke's law or lever balance principle of force, it can be divided into three categories of mechanical scale, electronic scale and electromechanical combination scale according to the structure principle, the electronic scale is mainly composed of load-bearing system (such as scale pan, scale body), force-transferring conversion system (such as lever force-transferring system and sensor) and indicating system (such as dial and electronic display instrument).
The electronic weighing scale is one of electronic scales, is an intelligent weight measuring instrument, and has the main functions of facilitating people to know the weight of the people, controlling the weight by utilizing movement or diet control and the like, and further achieving the purpose of controlling the physical health of the people, but the existing electronic weighing scale is mainly driven by a battery or a button battery, because most of people use the electronic weighing scale at intervals, although a switch is arranged at a battery mounting position, most people cannot select to manually turn off the electronic weighing scale after using the electronic scale, so that the battery is in a discharge but unused state for a long time, the positive and negative electrodes at a battery box inside the electronic weighing scale are rusted due to the corrosion of electrolyte inside the battery, the battery box is in a condition of poor contact or incapability of normally switching on a circuit due to rusting, and the service life of the battery box is shortened, the weight belongs to private data for individuals, most people do not want the weight of the people to be known by others, most of the existing electronic weighing scales have a data memory function, and data are still recorded on a display when a user gets off the electronic weighing scale, so that the effect of protecting the privacy of the individuals is poor.
Disclosure of Invention
Aiming at the defects of the existing electronic scale in the use process in the background technology, the invention provides the idle power-off scale which has the advantages of automatic power-off when the electronic scale is in an idle state and good personal privacy protection effect on a user, and solves the technical problems in the background technology.
The invention provides the following technical scheme: the utility model provides a personal weighing scale of idle outage, includes the balance body, force transmission system, sensor, display, shell and battery case, the spout has been seted up to the both sides that the force transmission system bottom surface is located the middle part, the middle part fixedly connected with contact of spout bottom, the inside bottom side of shell and the department fixedly connected with bearing block that corresponds of sensor, the top fixedly connected with pressure spring of bearing block, the inside positive negative pole fixedly connected with conducting rod that is located the battery case of shell.
Preferably, the inside of the scale body is provided with movable grooves at two sides of the upper part of the display, a viewing hole is formed in a gap between the two movable grooves, a magnetic rolling rod is movably placed in the movable grooves, and the outer side of the magnetic rolling rod is movably connected with a light shielding film.
Preferably, the inside of the scale body is located on the outer side of the movable groove and is fixedly connected with an electromagnetic block, the inside of the movable groove is located on the top of one side of the sight hole and is fixedly connected with a magnet, and the positive electrode and the negative electrode of the display are respectively and fixedly connected with a lead.
Preferably, the conducting wire is fixedly wound on the outer side of the electromagnetic block, and the other end of the conducting wire is electrically connected with the contact.
Preferably, the pressure spring is movably sleeved on the outer side of the sensor, and the top of the pressure spring is fixedly connected with the bottom of the force transmission system on the outer side of the sensor.
Preferably, the positions of the conductive rods correspond to the sliding grooves, the tops of the conductive rods extend into the sliding grooves, and the middle lower parts of the two conductive rods are electrically connected with the positive electrode and the negative electrode of the battery box respectively.
Preferably, the magnetism of the magnetic rolling rod is the same as that of the electromagnetic block, the magnetism of the magnetic rolling rod is the same as that of the magnet, the electromagnetic block is not electrified when a lead outside the electromagnetic block is not electrified, and the magnetic force of the electromagnetic block is three times that of the magnet when the lead is electrified.
Preferably, the shell is rectangular bowl-shaped and wraps the scale body, the force transmission system and the sensor, and an opening convenient for taking and placing the battery is formed in the position, located on the battery box, of the shell.
Preferably, the shading film is wound on the outer side of the magnetic roller, and the top end of the shading film is fixedly connected with the side wall of the movable groove, which is close to the electromagnetic block.
The invention has the following beneficial effects:
1. according to the invention, through designing the shell, the conductive rod, the sliding groove, the contact, the bearing block and the pressure spring, when a person stands on the scale body for weighing, the scale body drives the force transmission system to slide downwards by overcoming the potential energy of the pressure spring through the weight of the human body, meanwhile, the sliding groove positioned on the lower side of the force transmission system also slides downwards, when the sensor is in contact with the bearing block, the contact on the top of the sliding groove is in contact with the conductive rod, so that the display is connected through a lead, the weight of a user is displayed on the display, when the electronic scale is idle, the scale body drives the force transmission system to move upwards through the potential energy of the pressure spring, so that the conductive rod is separated from the contact for power failure, the power failure of the electronic scale is realized when the electronic scale is idle, and the situation that an idle battery of the electronic scale is still electrified, and the positive and negative electrodes at the battery box are rusted is avoided.
2. According to the invention, by designing the movable groove, the magnetic rolling rod, the shading film, the electromagnetic block, the magnet and the conducting wire, when the conducting rod is communicated with the contact, the conducting wire wound on the outer side of the electromagnetic block is electrified, so that the magnetic force of the electromagnetic block is increased, the magnetic rolling rod is promoted to roll by the magnetic repulsion force to open the shading film, people beside a user are prevented from knowing the weight of the user, meanwhile, when the user gets off the electronic scale, the power of the electronic scale is directly cut off, the electronic scale is prevented from recording the weight of the user and being known by the next user, and the privacy of the user is protected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the scale body in a downslide state;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at C according to the present invention.
In the figure: 1. a scale body; 2. a force transfer system; 21. a chute; 22. a contact; 3. a sensor; 4. a display; 41. a movable groove; 42. a sight hole; 43. a magnetic roller; 431. a light shielding film; 44. an electromagnetic block; 45. a magnet; 46. a wire; 5. a housing; 51. a bearing block; 52. a pressure spring; 6. a battery case; 61. a conductive rod; 7. a battery.
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 embodiments 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1 and 2, a weighing scale with idle power-off, including the scale body 1, the downside fixedly connected with force transmission system 2 of the scale body 1, four angle fixedly connected with sensors 3 of the downside of force transmission system 2, the inside upper surface of the scale body 1 is provided with display 4, the side sliding connection of the scale body 1 has a shell 5, the inside middle part fixedly connected with battery case 6 of shell 5, the internally mounted of battery case 6 has battery 7, the shell 5 sets up to the bowl form of rectangle and wraps up in the scale body 1, the outside of force transmission system 2 and sensor 3, be convenient for the slide and the protection of the scale body 1 and force transmission system 2, the shell 5 is located battery case 6 and offers the opening of being convenient for get and put the battery.
Referring to fig. 1, 2, 3, 4 and 5, sliding grooves 21 are formed on two sides of the bottom surface of the force transfer system 2 located in the middle, a contact 22 is fixedly connected to the middle of the bottom of the sliding groove 21, movable grooves 41 are formed in two sides of the scale body 1 located on the upper portion of the display 4, a viewing hole 42 is formed in a gap between the two movable grooves 41, a user can conveniently view and read a numerical value on the display 4 through the viewing hole 42, a magnetic roller 43 is movably placed in the movable groove 41, a light shielding film 431 is movably connected to the outer side of the magnetic roller 43, an electromagnetic block 44 is fixedly connected to the outer side of the movable groove 41 in the scale body 1, the light shielding film 431 is wound on the outer side of the magnetic roller 43, the top end of the light shielding film 431 is fixedly connected to the side wall of the movable groove 41 located near the electromagnetic block 44, and it is ensured that the magnetic roller 43 can be driven to rotate by magnetic repulsion force when the electromagnetic block 44 is magnetized and the light shielding film is laid on the bottom of the movable groove 41, so that a person standing beside the electronic weighing scale cannot see the value of the display 4 from the side, the top of the movable groove 41 positioned on one side of the viewing hole 42 is fixedly connected with a magnet 45, the positive pole and the negative pole of the display 4 are respectively fixedly connected with a lead wire 46, the lead wire 46 is fixedly wound on the outer side of the electromagnetic block 44, the other end of the lead wire 46 is electrically connected with the contact 22, the magnetism of the magnetic rolling rod 43 is the same as that of the electromagnetic block 44, the magnetism of the magnetic rolling rod 43 is the same as that of the magnet 45, the electromagnetic block 44 is not magnetized when the lead wire 46 is not electrified on the outer side of the electromagnetic block 44, the magnetism of the electromagnetic block 44 is three times that of the magnet 45 when the lead wire 46 is electrified, the electromagnetic block 44 is magnetized when the lead wire 46 is electrified, the magnetic rolling rod 43 is driven to drive the shading film 431 to be opened, the bearing block 51 is fixedly connected with the corresponding position of the bottom side inside the shell 5 and the sensor 3, the top fixedly connected with pressure spring 52 of bearing block 51, the outside with sensor 3 is cup jointed in the pressure spring 52 activity, and the top of pressure spring 52 is located sensor 3's outside fixed connection with force transmission system 2's bottom, guarantee that the potential energy of accessible pressure spring 52 drives scale body 1 and force transmission system 2 to shift up when electronic weighing scale is idle and make wire 46 cut off the power supply, the inside of shell 5 is located the positive negative pole fixedly connected with conducting rod 61 of battery case 6, the position of conducting rod 61 is corresponding with spout 21, and the inside of spout 21 is stretched into at the top of conducting rod 61, the well lower part of two conducting rods 61 is connected with the positive negative pole electricity of battery case 6 respectively, when guaranteeing to stand on scale body 1 man-hour, it drives scale body 1 and drives force transmission system 2 and spout 21 gliding through the weight, make conducting rod 61 and contact 22 contact, make wire 46 circular telegram and then display 4 show numerical value.
Referring to fig. 1, 2, 3, 4 and 5, when a user stands on the scale body 1, the scale body 1 and the force transmission system 2 overcome the potential energy of the compression spring 52 and slide down along the inner side wall of the housing 5 under the action of the weight of the user, so that the sensor 3 contacts with the bearing block 51 for weighing, the conductive rod 61 is connected with the contact 22 and powered, the weight of the user is displayed on the display 4 after being converted by the force transmission system, the electromagnetic block 44 is magnetized due to the power of the wire 46, the magnetic rolling rod 43 is driven to roll in the movable groove 41 through the magnetic repulsion force, the shading film 431 is opened and laid at the bottom of the movable groove 41, so that the value of the display 4 can be seen through the sight hole 42 only by the angle of the user standing on the scale body 1, the privacy of the user is protected, when the user comes off from the scale body 1, the scale body 1 and the force transmission system are moved up by the potential energy of the compression spring 52, make conducting rod 61 unable and contact 22 switch-on, reach the outage effect, avoided electronic weight scale to lead to battery case 6's positive negative pole department to rust because of the switch-on of battery 7 when idle, prolonged battery case 6's life, make user's weight numerical value unable by the record after the outage simultaneously, avoided user's privacy to be known by next user, further protected user's privacy.
The use method (working principle) of the invention is as follows:
firstly, when a user needs to weigh his weight, the bottom of the housing 5 of the electronic weighing scale needs to be placed on a flat ground, then the user stands on the scale body 1, the scale body 1 is driven by the weight of the user to slide down along the inner side wall of the housing 5, the bottom of the sensor 3 is enabled to be in contact with the top of the bearing block 51 for weighing, meanwhile, the conducting rod 61 is communicated with the contact 22 at the top of the sliding chute 21 along with the downward movement of the sliding chute 21 and is electrified, so that the weight value of the user is converted into a value by the force transmission system and is displayed on the display 4, meanwhile, due to the communication between the conducting rod 61 and the contact 22, current passes through the conducting wire 46, the electromagnetic block 44 is enabled to be magnetic, and the magnetic rolling rod 43 rolls in the movable chute 41 through the magnetic repulsion force, so that the light shielding film 431 is opened and laid at the bottom of the movable chute 41, and the value on the display 4 is shielded, make only the user of standing on the balance body 1 can follow sight hole 42 and see numerical value, protected user's privacy, when the user got off from the balance body 1 at last, make force transmission system 2 and balance body 1 move up along shell 5 through the potential energy of pressure spring 52, conducting rod 61 can't be put through with contact 22 this moment, avoided electronic body weight balance when idle because the not closed power makes the positive negative pole of battery case 6 department cause the corruption rust, increased the life of battery case 6.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a weighing scale of idle outage, includes the balance body (1), power transmission system (2), sensor (3), display (4), shell (5) and battery case (6), its characterized in that: spout (21) have been seted up to the both sides that force transmission system (2) bottom surface is located the middle part, middle part fixedly connected with contact (22) of spout (21) bottom, the inside bottom side of shell (5) and the corresponding fixedly connected with bearing block (51) of sensor (3), the top fixedly connected with pressure spring (52) of bearing block (51), the inside of shell (5) is located positive negative pole fixedly connected with conducting rod (61) of battery case (6).
2. The idle power down weight scale of claim 1, wherein: the inside both sides that are located display (4) upper portion of balance body (1) are equipped with movable groove (41), two clearance between movable groove (41) forms eyehole (42), magnetic roller (43) have been placed in the inside activity of movable groove (41), the outside swing joint of magnetic roller (43) has photomask (431).
3. The idle power down weight scale of claim 2, wherein: the inside of the balance body (1) is located the outside fixedly connected with electromagnetism piece (44) of activity groove (41), the inside of activity groove (41) is located top fixedly connected with magnet (45) of looking hole (42) one side, the positive negative pole of display (4) is fixedly connected with wire (46) respectively.
4. The idle power down weight scale of claim 3, wherein: the lead wire (46) is fixedly wound on the outer side of the electromagnetic block (44), and the other end of the lead wire (46) is electrically connected with the contact (22).
5. The idle power down weight scale of claim 1, wherein: the pressure spring (52) is movably sleeved on the outer side of the sensor (3), and the top of the pressure spring (52) is fixedly connected with the bottom of the force transmission system (2) on the outer side of the sensor (3).
6. The idle power down weight scale of claim 1, wherein: the positions of the conductive rods (61) correspond to the sliding grooves (21), the tops of the conductive rods (61) extend into the sliding grooves (21), and the middle lower parts of the two conductive rods (61) are respectively electrically connected with the positive electrode and the negative electrode of the battery box (6).
7. The idle power down weight scale of claim 2, wherein: the magnetism of the magnetic rolling rod (43) is the same as that of the electromagnetic block (44), the magnetism of the magnetic rolling rod (43) is the same as that of the magnet (45), the electromagnetic block (44) is not magnetized when a lead wire (46) on the outer side of the electromagnetic block (44) is not electrified, and the magnetic force of the electromagnetic block (44) is three times that of the magnet (45) when the lead wire (46) is electrified.
8. The idle power down weight scale of claim 1, wherein: the utility model discloses a balance, including the balance body, shell (5) set up to the bowl form of rectangle and wrap up in the outside of the balance body (1), power transmission system (2) and sensor (3), shell (5) are located battery case (6) and offer the opening of being convenient for get and put the battery.
9. The idle power down weight scale of claim 2, wherein: the shading film (431) is wound outside the magnetic roller (43), and the top end of the shading film (431) is fixedly connected with the side wall of the movable groove (41) which is close to the electromagnetic block (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111231330.8A CN113804278B (en) | 2021-10-22 | 2021-10-22 | Idle outage weighing scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111231330.8A CN113804278B (en) | 2021-10-22 | 2021-10-22 | Idle outage weighing scale |
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| Publication Number | Publication Date |
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| CN113804278A true CN113804278A (en) | 2021-12-17 |
| CN113804278B CN113804278B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111231330.8A Active CN113804278B (en) | 2021-10-22 | 2021-10-22 | Idle outage weighing scale |
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| CN (1) | CN113804278B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107782434A (en) * | 2016-08-24 | 2018-03-09 | 余姚市高凯电子厂 | Electronic induction scale |
| CN209298223U (en) * | 2019-03-09 | 2019-08-23 | 浙江科畅电子股份有限公司 | A kind of battery group electric discharge maintenance device |
| CN209342227U (en) * | 2019-01-24 | 2019-09-03 | 黄乐 | Charge scale |
| CN209910802U (en) * | 2019-05-10 | 2020-01-07 | 郦少君 | Light energy and USB charge combined weighing scale |
| CN209979045U (en) * | 2019-03-06 | 2020-01-21 | 可瑞尔科技(扬州)有限公司 | WiFi intelligence pad of weighing |
| CN210535163U (en) * | 2019-09-10 | 2020-05-15 | 苏州正夏电子科技有限公司 | Battery preparation test demonstration platform |
| CN210719378U (en) * | 2019-07-16 | 2020-06-09 | 刘娟娟 | Electronic scale capable of preventing overload |
| CN112880793A (en) * | 2021-01-23 | 2021-06-01 | 于国飞 | Antifouling and electricity-saving electronic weighing scale |
| CN113507811A (en) * | 2021-09-09 | 2021-10-15 | 南通海舟电子科技有限公司 | High protectiveness electronic equipment shell |
-
2021
- 2021-10-22 CN CN202111231330.8A patent/CN113804278B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202420641U (en) * | 2012-01-19 | 2012-09-05 | 陕西科技大学 | Intelligent weight balance |
| CN202631095U (en) * | 2012-04-27 | 2012-12-26 | 台衡精密测控(昆山)股份有限公司 | Low-power consumption electronic scale |
| US20160231166A1 (en) * | 2015-02-10 | 2016-08-11 | Neeraj Malhotra | Weigh measuring scales for baggage |
| CN106124009A (en) * | 2016-07-11 | 2016-11-16 | 佛山杰致信息科技有限公司 | A kind of electronic scale |
| CN107782434A (en) * | 2016-08-24 | 2018-03-09 | 余姚市高凯电子厂 | Electronic induction scale |
| CN209342227U (en) * | 2019-01-24 | 2019-09-03 | 黄乐 | Charge scale |
| CN209979045U (en) * | 2019-03-06 | 2020-01-21 | 可瑞尔科技(扬州)有限公司 | WiFi intelligence pad of weighing |
| CN209298223U (en) * | 2019-03-09 | 2019-08-23 | 浙江科畅电子股份有限公司 | A kind of battery group electric discharge maintenance device |
| CN209910802U (en) * | 2019-05-10 | 2020-01-07 | 郦少君 | Light energy and USB charge combined weighing scale |
| CN210719378U (en) * | 2019-07-16 | 2020-06-09 | 刘娟娟 | Electronic scale capable of preventing overload |
| CN210535163U (en) * | 2019-09-10 | 2020-05-15 | 苏州正夏电子科技有限公司 | Battery preparation test demonstration platform |
| CN112880793A (en) * | 2021-01-23 | 2021-06-01 | 于国飞 | Antifouling and electricity-saving electronic weighing scale |
| CN113507811A (en) * | 2021-09-09 | 2021-10-15 | 南通海舟电子科技有限公司 | High protectiveness electronic equipment shell |
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| Publication number | Publication date |
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| CN113804278B (en) | 2024-04-12 |
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