CN206132192U - Wireless weighing sensor of bridge type - Google Patents
Wireless weighing sensor of bridge type Download PDFInfo
- Publication number
- CN206132192U CN206132192U CN201621203085.4U CN201621203085U CN206132192U CN 206132192 U CN206132192 U CN 206132192U CN 201621203085 U CN201621203085 U CN 201621203085U CN 206132192 U CN206132192 U CN 206132192U
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- China
- Prior art keywords
- gravity sensor
- elastomer
- gravity
- bridge
- weighing sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a wireless weighing sensor of bridge type, including the gravity sensor elastomer, the top of gravity sensor elastomer is installed resistance strain gauge and is pasted hole, gravity sensor and guard shield casing, the top of guard shield casing is equipped with the steel ball, the bottom of guard shield casing is equipped with the mounting, the side of mounting is equipped with the strainometer of symmetry, one side of gravity sensor elastomer is equipped with the installation piece, the inside of installation piece is equipped with a plurality of mounting hole, the side of gravity sensor elastomer is equipped with the battery, one side of gravity sensor elastomer is equipped with horizontal spacing groove and coupling assembling, one side of coupling assembling is equipped with the wireless data transmission DTU device, and a plurality of resistance strain gauge paste the hole makes the better gravity that detects change, has realized making through the wireless data transmission DTU device and has weighed data with wireless mode output, has avoided traditional weighing sensor's cable damage, has reduced the work degree of difficulty and work load, has improved weighing sensor's performance.
Description
Technical field
This utility model is related to weight sensing technology field, specially a kind of bridge-type wireless weighing sensor.
Background technology
A kind of force transducer used on so-called LOAD CELLS weighing apparatus.Resistance strain weighing transducer principle, its energy
Will act at the gravity on testee and be converted into gageable output signal by a certain percentage.The gravity of different places to use adds
The impact of speed and aerostatic buoyancy to changing, performance indications main linear error, hysteresis error, the repeatability of LOAD CELLS
Error, creep, zero temperature characteristic and sensitivity temperature characteristic etc..On traditional concept, load sensor is LOAD CELLS, surveys
The general designation of force transducer, with its meter characteristic of individual event parameter evaluation.Former capital's mark will be application and use environment condition complete
Different " weighing " and " dynamometry " two kinds of sensors unite two into one to consider, test and evaluation methodology are not given and distinguished.Former capital
Mark has 21 indexs, is tested at normal temperatures；And with non-linear, hysteresis error, repeatability error, creep, zero point temperature
Maximum error in degree 6 indexs of additive error and rated output Additional temperature error, determines LOAD CELLS accuracy
Grade, is represented with 0.02,0.03,0.05 respectively.Bridge type weighing sensor is used in special on the devices such as truck scale, track scale
Sensor.Using the long carrier weighing apparatus of bridge type weighing sensor, its spherical pressure head is with carrier length in use
Change, pressure head are also rolled in the ball-and-socket of elastomer along its length, offset active force loading direction, so as to produce unbalance loading,
Gravity sensor it cantilevered shifter is made using elastic sensing element, and using energy-stored spring made by elastic sensing element
To drive electric contact, the conversion from Gravity changer to the signal of telecommunication is completed.
Existing device load capacity is not big enough, also obvious for overweight object weighting error, for what is kicked the beam
Object weighs reaction not substantially, there is certain deficiency.
So, a kind of bridge-type wireless weighing sensor how is designed, becomes our problems currently to be solved.
Utility model content
The purpose of this utility model is to provide a kind of bridge-type wireless weighing sensor, to solve to carry in above-mentioned background technology
The problem for going out.
For achieving the above object, this utility model provides following technical scheme：A kind of bridge-type wireless weighing sensor, including
Gravity sensor elastomer, the top of the gravity sensor elastomer be provided with resistance strain gage patch hole, gravity sensor and
Shield housing, the top of the shield housing are provided with steel ball, and the top of the steel ball is provided with head, the gravity sensor with
Head is electrically connected with, and the bottom of the shield housing is provided with fixture, and the side of the fixture is provided with symmetrical strain gauge,
The side of the gravity sensor elastomer is provided with mounting blocks, and the mounting blocks are fixedly connected with gravity sensor elastomer, institute
The inside for stating mounting blocks is provided with several installing holes, and the side of the gravity sensor elastomer is provided with accumulator, the gravity
The side of sensor elastomer is provided with Horizontal limiting groove and coupling assembly, and the Horizontal limiting groove is lived by cutting ferrule with coupling assembly
Dynamic connection, the side of the coupling assembly are provided with wireless data sending DTU devices, and the side of the coupling assembly is provided with carrying pad,
Carrying pad and the coupling assembly are welded, and the top for carrying pad is provided with control knob, the control knob with it is wireless
Number passes DTU devices and is electrically connected with, and the bottom of the gravity sensor elastomer is provided with Shockproof rubber pad.
Further, the top of the gravity sensor elastomer is provided with symmetrical signal output channels, the signal
Output channel is connected with strain gauge signal.
Further, the fixture is fixedly connected by screw with gravity sensor elastomer.
Further, the side of the accumulator is provided with charging inlet, and the accumulator is electrically connected with gravity sensor.
Further, the top for carrying pad is provided with aerial head, and the aerial head is fixedly connected with pad is carried,
The aerial head is connected with wireless data sending DTU device signals.
Further, the side of the wireless data sending DTU devices is provided with signal lighties, the signal lighties and gravity sensor bullet
Gonosome is electrically connected with.
Compared with prior art, the beneficial effects of the utility model are：In this kind of bridge-type wireless weighing sensor, by many
Individual resistance strain gage patch hole causes preferably to detect Gravity changer, and being realized by wireless data sending DTU devices makes weighing data
Wirelessly export, it is to avoid the cable bad of traditional LOAD CELLS, reduce work difficulty and workload, improve
The performance of LOAD CELLS, moreover it is possible to which the scope that raising is weighed, aerial head can realize the reception and transmission of wireless signal, by answering
Become meter realize the sensing element that the gravimetric data of test specimen is converted into resistance change, can be convenient give expression to
Come, the perception to Gravity changer is realized by head, the transmission to gravimetric data is realized by signal output channels, lead to
Cross fixture and screw can by shield housing and gravity sensor elastomer fix it is more firm, can be to setting by accumulator
Standby to provide stable electric energy, Shockproof rubber is lined with certain shockproof effect, certain protective effect is played to device, in addition signal
Lamp also can be to crossing the effect of warning of being loaded with, while protection device, and this device structure is simple, low cost of manufacture, high precision and easily
Install.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is one of partial structural diagram of the present utility model；
Fig. 3 is the two of partial structural diagram of the present utility model；
In figure：1- heads；2- steel balls；3- signal output channels；4- resistance strain gages paste hole；5- strain gauges；6- gravity
Sensor elastomer；7- screws；8- mounting blocks；9- installing holes；10- shield housings；11- Shockproof rubber pads；12- gravity sensitives
Device；13- coupling assemblies；14- Horizontal limiting grooves；15- aerial heads；16- carries pad；17- control knobs；18- accumulator；19-
Charging inlet；20- wireless data sending DTU devices；21- signal lighties；22- cutting ferrules；23- fixtures.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-3 are referred to, this utility model provides a kind of technical scheme：A kind of bridge-type wireless weighing sensor, including weight
Force transducer elastomer 6, the top of the gravity sensor elastomer 6 are provided with resistance strain gage patch hole 4, gravity sensor 12
With shield housing 10, the top of the shield housing 10 is provided with steel ball 2, and the top of the steel ball 2 is provided with head 1, described heavy
Force transducer 12 is electrically connected with head 1, and the bottom of the shield housing 10 is provided with fixture 23, the side of the fixture 23
Face is provided with symmetrical strain gauge 5, and the side of the gravity sensor elastomer 6 is provided with mounting blocks 8, the mounting blocks 8 and gravity
Sensor elastomer 6 is fixedly connected, and the inside of the mounting blocks 8 is provided with several installing holes 9, the gravity sensor elastomer
6 side is provided with accumulator 18, and the side of the gravity sensor elastomer 6 is provided with Horizontal limiting groove 14 and coupling assembly 13,
The Horizontal limiting groove 14 is flexibly connected by cutting ferrule 22 with coupling assembly 13, and the side of the coupling assembly 13 is provided with without line number
DTU devices 20 are passed, the side of the coupling assembly 13 is provided with carrying pad 16, and the carrying pad 16 is welded with coupling assembly 13
Connect, the top for carrying pad 16 is provided with control knob 17, and the control knob 17 is electrically connected with wireless data sending DTU devices 20
Connect, the bottom of the gravity sensor elastomer 6 is provided with Shockproof rubber pad 11, and the Shockproof rubber pad 11 can have certain
Shockproof effect, the precision weighed of raising.
Further, the top of the gravity sensor elastomer 6 is provided with symmetrical signal output channels 3, the letter
Number output channel 3 is connected with 5 signal of strain gauge, and gravitational cue is transferred to wireless data sending DTU devices by the signal output channels 3
20。
Further, the fixture 23 is fixedly connected by screw 7 with gravity sensor elastomer 6, can be by shield
Housing 10 is preferably fixed with gravity sensor elastomer 6.
Further, the side of the accumulator 18 is provided with charging inlet 19, the accumulator 18 and gravity sensor 12
It is electrically connected with, accumulator 18 is charged by charging inlet 19.
Further, the top for carrying pad 16 is provided with aerial head 15, the aerial head 15 and carrying pad 16
It is fixedly connected, the aerial head 15 is connected with 20 signal of wireless data sending DTU devices.
Further, the side of the wireless data sending DTU devices 20 is provided with signal lighties 21, and the signal lighties 21 are passed with gravity
Sensor elastomer 6 is electrically connected with, and the signal lighties 21 can reflect the change of gravity.
The wireless data sending DTU devices 20 that this utility model is mentioned adopt ARM9 High performance industrial level flush bonding processors, with
Real time operating system is software support platform, very large memory, embeds the ICP/IP protocol stack of independent intellectual property right.For weighing and sensing
Device is provided at a high speed, and reliable and stable, data terminal is always online, the VPN (virtual private network) of various protocols conversion.For network traffics
The user of control, product support voice, note, the function that data-triggered is reached the standard grade and time-out breaks automatically, while also supporting double
Data center backup, and the function such as multiple data centers synchronous receiving data.
Operation principle：First, when there is test block, head 1 experiences gravity at first, and passes through steel ball 2 by gravity
Signal transmission can measure gravimetric data to gravity sensor 12, gravity sensor 12, paste hole 4 in multiple resistance strain gages
Under help, gravity measurement is carried out to test block, and the gravimetric data of test specimen is converted into by resistance variations by strain gauge 5
The sensing element of amount such that it is able to which convenient gives expression to gravity, opens control knob 17,20 energy of wireless data sending DTU devices
Weighing data is wirelessly exported, carry pad 16 and moved horizontally by cutting ferrule 22 on Horizontal limiting groove 14, look for
To a suitable position, the weighing data in wireless data sending DTU devices 20 is carried out wireless transmission, signal lighties 21 by aerial head 15
The change of weighing data can be reflected, and for the warning of overload, there can be a good protected effect to device, separately
Outer Shockproof rubber pad 11 is also that accumulator 18 provides enough electric energy to device, and every a period of time, fills with shockproof effect
Electrical interface 19 is also charged to accumulator 18.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of bridge-type wireless weighing sensor, including gravity sensor elastomer (6), it is characterised in that：The gravity sensitive
The top of device elastomer (6) is provided with resistance strain gage patch hole (4), gravity sensor (12) and shield housing (10), the shield
The top of over body case (10) is provided with steel ball (2), and the top of the steel ball (2) is provided with head (1), the gravity sensor (12)
It is electrically connected with head (1), the bottom of the shield housing (10) is provided with fixture (23), the side of the fixture (23)
Symmetrical strain gauge (5) is provided with, the side of the gravity sensor elastomer (6) is provided with mounting blocks (8), the mounting blocks (8)
It is fixedly connected with gravity sensor elastomer (6), the inside of the mounting blocks (8) is provided with several installing holes (9), the gravity
The side of sensor elastomer (6) is provided with accumulator (18), and the side of the gravity sensor elastomer (6) is provided with Horizontal limiting
Groove (14) and coupling assembly (13), the Horizontal limiting groove (14) are flexibly connected by cutting ferrule (22) with coupling assembly (13), institute
The side for stating coupling assembly (13) is provided with wireless data sending DTU devices (20), and the side of the coupling assembly (13) is provided with bearing pads
Piece (16), carrying pad (16) are welded with coupling assembly (13), and the top for carrying pad (16) is provided with control knob
(17), the control knob (17) is electrically connected with wireless data sending DTU devices (20), the gravity sensor elastomer (6)
Bottom is provided with Shockproof rubber pad (11).
2. a kind of bridge-type wireless weighing sensor according to claim 1, it is characterised in that：The gravity sensor elasticity
The top of body (6) is provided with symmetrical signal output channels (3), and the signal output channels (3) are connected with strain gauge (5) signal
Connect.
3. a kind of bridge-type wireless weighing sensor according to claim 1, it is characterised in that：The fixture (23) and weight
Force transducer elastomer (6) is fixedly connected by screw (7).
4. a kind of bridge-type wireless weighing sensor according to claim 1, it is characterised in that：The side of the accumulator (18)
Face is provided with charging inlet (19), and the accumulator (18) is electrically connected with gravity sensor (12).
5. a kind of bridge-type wireless weighing sensor according to claim 1, it is characterised in that：Carrying pad (16)
Top is provided with aerial head (15), and the aerial head (15) is fixedly connected with pad (16) is carried, the aerial head (15) and nothing
Line number passes the connection of DTU devices (20) signal.
6. a kind of bridge-type wireless weighing sensor according to claim 1, it is characterised in that：The wireless data sending DTU dresses
The side for putting (20) is provided with signal lighties (21), and the signal lighties (21) are electrically connected with gravity sensor elastomer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203085.4U CN206132192U (en) | 2016-11-08 | 2016-11-08 | Wireless weighing sensor of bridge type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203085.4U CN206132192U (en) | 2016-11-08 | 2016-11-08 | Wireless weighing sensor of bridge type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132192U true CN206132192U (en) | 2017-04-26 |
Family
ID=58578244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621203085.4U Expired - Fee Related CN206132192U (en) | 2016-11-08 | 2016-11-08 | Wireless weighing sensor of bridge type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132192U (en) |
-
2016
- 2016-11-08 CN CN201621203085.4U patent/CN206132192U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20171108 |