CN209117168U - A kind of durable anti-corrosion electronic scale - Google Patents
A kind of durable anti-corrosion electronic scale Download PDFInfo
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- CN209117168U CN209117168U CN201821643987.9U CN201821643987U CN209117168U CN 209117168 U CN209117168 U CN 209117168U CN 201821643987 U CN201821643987 U CN 201821643987U CN 209117168 U CN209117168 U CN 209117168U
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- base
- electronic scale
- pressure sensor
- central processing
- processing unit
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Abstract
The utility model discloses a kind of durable anti-corrosion electronic scales, including base, the top four corners of base are provided with pressure sensor, the side setting having air switch and power interface of base, the front end of base is provided with display screen and loudspeaker, base is internally provided with wiring board, and the upper end of wiring board is provided with central processing unit, route control switch and analog-digital converter.The weight of object on articles holding table is detected by the pressure sensor of setting, when there is no object weighing, central processing unit control line way control switch disconnecting circuit, save electric energy, when object is overweight, signal is passed to analog-digital converter by pressure sensor, analog-digital converter converts electrical signals to digital signal and is delivered to central processing unit operation control, central processing unit control loudspeaker sounds an alarm, and control air switch open-circuit line, play overload protection measures, it prevents from damaging electronic scale by pressure, cause electronic scale measurement inaccurate, improve the service life of battery and electronic scale, it is more durable.
Description
Technical field
The utility model relates to electronic scale technical field, specially a kind of durable anti-corrosion electronic scale.
Background technique
Electronic scale belongs to one kind of weighing apparatus, utilizes the work of Hooke's law or the lever balance theory of power measurement mass of object
Tool, electronic scale mainly by load bearing system (such as scale pan, scale body), power transmission converting system (such as lever transmission system, sensor) and show
Valve system (such as dial, electronic display meter) three parts composition can be divided into mechanical scale, electronic scale, electromechanical knot by structural principle
Close scale three categories.
Existing electronic scale can weigh after must must turning on the switch, if forgetting to turn off switch after people's weighing
If will waste much electricity resource, battery is not durable, and do not have overload protection arrangement, when weighting objects weight is excessive,
It is easily damaged electronic scale, causes electronic scale measurement inaccurate, waterproof and anticorrosion effect is bad.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of durable anti-corrosion electronic scale
Existing electronic scale can weigh after must must turning on the switch, will if forgetting to turn off switch after people's weighing
Much electricity resource is wasted, battery is not durable, and is easily damaged without overload protection arrangement when weighting objects weight is excessive
Electronic scale causes electronic scale measurement inaccurate, the bad problem of waterproof and anticorrosion effect.
To achieve the above object, the utility model provides the following technical solutions: a kind of durable anti-corrosion electronic scale, including machine
Seat, the top four corners of the base are provided with pressure sensor, and the upper end of the pressure sensor is connected with articles holding table, institute
It states and is provided with protective case on the outside of pressure sensor, the side setting having air switch and power interface of the base, the machine
The front end of seat is provided with display screen and loudspeaker, and the side of the display screen is provided with key, and the base is internally provided with
Wiring board, the upper end of the wiring board are provided with central processing unit, route control switch and analog-digital converter, and the wiring board leans on
The side of nearly power interface is provided with battery, and protection shell is provided on the outside of the base.
Preferably, it is provided with switch housing on the outside of the air switch, the surface of the protection shell and loudspeaker are pressed
Through-hole is provided at key and the corresponding position of pressure sensor, the protection shell is made of polypropylene transparent material.
Preferably, the material of the articles holding table is stainless steel, the protective case and articles holding table and protection shell contact position
Place is provided with sealing ring.
Preferably, the bottom end four corners of the base are provided with non-slip mat, and the quantity of the key is multiple, and uniformly
It is distributed in the surface of base, the quantity of the display screen is three.
Preferably, the central processing unit uses AT89S51 single-chip microcontroller, and the analog-digital converter uses ICL7135 monolithic
Machine.
Preferably, the battery and wiring board are electrically connected, the pressure sensor, analog-digital converter, central processing
Device is electrically connected, and the central processing unit, display screen, key, loudspeaker, route control switch, air switch are electrically connected.
Compared with prior art, the utility model has the beneficial effects that pressure sensor of the utility model by setting
The weight of object on articles holding table is detected, when there is no object weighing, central processing unit control line way control switch disconnecting circuit, section
About electric energy, when object is overweight, signal is passed to analog-digital converter by pressure sensor, and analog-digital converter converts electrical signals to
Digital signal is delivered to central processing unit operation control, and when detecting overweight, central processing unit control loudspeaker is sounded an alarm, and controls
Air switch open-circuit line processed, plays overload protection measures, prevents from damaging electronic scale by pressure, causes electronic scale measurement inaccurate, improves
The service life of battery and electronic scale, it is more durable, by protection shell, protective case and the sealing ring of setting, prevent moisture into
Enter to damage wiring board.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of the utility model；
Fig. 2 is the internal structure side view of the utility model；
Fig. 3 is the circuit board structure schematic diagram of the utility model；
Fig. 4 is the electronic scale system schematic of the utility model.
In figure: 1, base；2, articles holding table；3, display screen；4, loudspeaker；5, key；6, switch housing；7, power interface；
8, pressure sensor；9, protective case；10, air switch；11, wiring board；12, central processing unit；13, route control switch；14,
Analog-digital converter；15, battery；16, shell is protected.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of durable anti-corrosion electronic scale, including base 1,
The top four corners of base 1 are provided with pressure sensor 8 (model M30A18NA), and the upper end of pressure sensor 8 is connected with
Articles holding table 2, the outside of pressure sensor 8 are provided with protective case 9, and 10 (model of having air switch is arranged in the side of base 1
DZ47-1P*32A) and power interface 7, the front end of base 1 are provided with display screen 3 and loudspeaker 4, and the side of display screen 3 is provided with
Key 5, base 1 are internally provided with wiring board 11, and the upper end of wiring board 11 is provided with central processing unit 12, route control switch
13 and analog-digital converter 14, wiring board 11 side of power interface 7 is provided with battery 15, the outside of base 1 is provided with
Protect shell 16.
In this embodiment: the weight of object on articles holding table being detected by the pressure sensor 8 of setting, when there is no object weighing
When, 12 control line way control switch of central processing unit, 13 disconnecting circuit saves electric energy, and when object is overweight, pressure sensor 8 will
Signal passes to analog-digital converter 14, and analog-digital converter 14 converts electrical signals to digital signal and is delivered to the fortune of central processing unit 12
Control is calculated, when detecting overweight, central processing unit 12 controls loudspeaker 4 and sounds an alarm, and controls 10 open-circuit line of air switch, rises
It to overload protection measures, prevents from damaging electronic scale by pressure, causes electronic scale measurement inaccurate, improve the use longevity of battery and electronic scale
Life, it is more durable, by the protection shell 16 of setting, protective case 9, prevents moisture from entering damage wiring board 11, pass through setting
Battery 15 is powered, and is charged by the power interface 7 of setting.
Fig. 1 and Fig. 2 are please referred to, the outside of air switch 10 is provided with switch housing 6, protects surface and the loudspeaking of shell 16
It is provided with through-hole at device 4, key 5 and the corresponding position of pressure sensor 8, protects shell 16 by polypropylene transparent material structure
At preventing touching from electronic scale being caused to power off by the switch housing 6 of setting, pass through being made of polypropylene transparent material for setting
Shell 16 is protected, display screen 3 can be observed while preventing moisture from entering damage wiring board 11, is convenient for by the through-hole of setting
The operation of key 5.
Referring to Fig. 2, the material of articles holding table 2 is stainless steel, protective case 9 and articles holding table 2 and protection 16 contact position of shell
Place is provided with sealing ring, and the bottom end four corners of base 1 are provided with non-slip mat, and the quantity of key 5 is multiple, and is uniformly distributed
On the surface of base 1, the quantity of display screen 3 is three, by the articles holding table 2 of the stainless steel of setting, improves the resistance to of electronic scale
Corrosivity prevents moisture from damaging pressure sensor 8 by the sealing ring of setting.
Fig. 3 and Fig. 4 are please referred to, central processing unit 12 uses AT89S51 single-chip microcontroller, and analog-digital converter 14 uses ICL7135
Single-chip microcontroller, battery 15 and wiring board 11 are electrically connected, and pressure sensor 8, analog-digital converter 14, central processing unit 12 electrically connect
It connects, central processing unit 12, display screen 3, key 5, loudspeaker 4, route control switch 13, air switch 10 are electrically connected, and are passed through
Signal is passed to analog-digital converter 14 by the pressure sensor 8 of setting, and analog-digital converter 14 converts electrical signals to digital signal
It is delivered to 12 operation control of central processing unit, when detecting overweight, central processing unit 12 controls loudspeaker 4 and sounds an alarm, and controls
10 open-circuit line of air switch, plays overload protection measures, and when not having object weighing, central processing unit 12 controls route control
13 disconnecting circuit of switch saves electric energy.
Working principle: powering on, and object is placed on articles holding table 2, and the sensing element of pressure sensor 8 detects pressure,
It electric signal is conveyed to analog-digital converter 14 converts electrical signals to digital signal and be delivered to 12 operation control of central processing unit, examine
When surveying overweight, central processing unit 12 controls loudspeaker 4 and sounds an alarm, and controls 10 open-circuit line of air switch, plays overload and protects
Shield measure, when pressure sensor 8 does not detect object weighing for a long time, 12 control line way control switch 13 of central processing unit
Disconnecting circuit saves electric energy, electric signal is delivered to centre by pressure sensor 8 when there is object weighing into sleep pattern
Device 12 is managed, 12 control line way control switch 13 of central processing unit connects circuit, weighs, prevent from damaging electronic scale by pressure, lead to electricity
Son claims measurement inaccurate, improves the service life of battery and electronic scale, more durable, protection shell 16, protective case 9 and sealing ring
Can prevent moisture enter damage wiring board 11 and pressure sensor 8 power on 7 pairs of interface storages when battery 15 is out of power
Battery 15 charges.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of durable anti-corrosion electronic scale, including base (1), it is characterised in that: the top four corners of the base (1) are respectively provided with
Have pressure sensor (8), the upper end of the pressure sensor (8) is connected with articles holding table (2), outside the pressure sensor (8)
Side is provided with protective case (9), side setting having air switch (10) of the base (1) and power interface (7), the base
(1) front end is provided with display screen (3) and loudspeaker (4), and the side of the display screen (3) is provided with key (5), the base
(1) be internally provided with wiring board (11), the upper end of the wiring board (11) is provided with central processing unit (12), route control is opened
(13) and analog-digital converter (14) are closed, the wiring board (11) is provided with battery (15), institute close to the side of power interface (7)
It states and is provided with protection shell (16) on the outside of base (1).
2. a kind of durable anti-corrosion electronic scale according to claim 1, it is characterised in that: the outside of the air switch (10)
It is provided with switch housing (6), the surface of protection shell (16) and loudspeaker (4), key (5) and pressure sensor (8) phase
Through-hole is provided at corresponding position, the protection shell (16) is made of polypropylene transparent material.
3. a kind of durable anti-corrosion electronic scale according to claim 1, it is characterised in that: the material of the articles holding table (2) is
Sealing ring is provided at stainless steel, the protective case (9) and articles holding table (2) and protection shell (16) contact position.
4. a kind of durable anti-corrosion electronic scale according to claim 1, it is characterised in that: the bottom end quadrangle of the base (1)
Place is provided with non-slip mat, and the quantity of the key (5) is multiple, and is evenly distributed on the surface of base (1), the display screen
(3) quantity is three.
5. a kind of durable anti-corrosion electronic scale according to claim 1, it is characterised in that: the central processing unit (12) uses
AT89S51 single-chip microcontroller, the analog-digital converter (14) use ICL7135 single-chip microcontroller.
6. a kind of durable anti-corrosion electronic scale according to claim 1, it is characterised in that: the battery (15) and wiring board
(11) it is electrically connected, the pressure sensor (8), analog-digital converter (14), central processing unit (12) are electrically connected, the center
Processor (12), display screen (3), key (5), loudspeaker (4), route control switch (13), air switch (10) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821643987.9U CN209117168U (en) | 2018-10-10 | 2018-10-10 | A kind of durable anti-corrosion electronic scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821643987.9U CN209117168U (en) | 2018-10-10 | 2018-10-10 | A kind of durable anti-corrosion electronic scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117168U true CN209117168U (en) | 2019-07-16 |
Family
ID=67200550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821643987.9U Active CN209117168U (en) | 2018-10-10 | 2018-10-10 | A kind of durable anti-corrosion electronic scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209117168U (en) |
-
2018
- 2018-10-10 CN CN201821643987.9U patent/CN209117168U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A durable anti-corrosion electronic scale Effective date of registration: 20220630 Granted publication date: 20190716 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: NINGXIA YIFENG CONCRETE INDUSTRY Co.,Ltd. Registration number: Y2022640000011 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230625 Granted publication date: 20190716 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: NINGXIA YIFENG CONCRETE INDUSTRY Co.,Ltd. Registration number: Y2022640000011 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A durable and corrosion-resistant electronic scale Effective date of registration: 20230704 Granted publication date: 20190716 Pledgee: Ningxia East Guarantee Co.,Ltd. Pledgor: NINGXIA YIFENG CONCRETE INDUSTRY Co.,Ltd. Registration number: Y2023640000021 |