CN201672966U - Portable bending weighing platform - Google Patents
Portable bending weighing platform Download PDFInfo
- Publication number
- CN201672966U CN201672966U CN2010201890332U CN201020189033U CN201672966U CN 201672966 U CN201672966 U CN 201672966U CN 2010201890332 U CN2010201890332 U CN 2010201890332U CN 201020189033 U CN201020189033 U CN 201020189033U CN 201672966 U CN201672966 U CN 201672966U
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- elastic body
- portable
- weighing unit
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Abstract
The utility model relates to the lorry dynamic weighing device technological field, in particular to a portable bending weighting platform comprising an elastic body made by steel plates. The bottom of the elastic body is opened with a blind slot, in which is applied and fixed a strain gauge which is used for converting the deformation degree of the elastic body into electric signals. Due to the adoption of the strain gauge with rapid dynamic response and high sensitivity, the utility model has the characteristics of rapid dynamic response and high weighing precision during the weighing, compared with a portable weighing platform employing a piezoelectric weighing sensor. In addition, the adoption of high-strength steel plates as the bearing elastic body makes the turgor pressure significantly greater than that of a traditional aluminium alloy elastic body. Because the strain gauge of the utility model is a patch-type strain gauge and the bottom of the elastic body is sulfurated with a sulfide rubber layer used for sealing and waterproofing, the utility model has strong waterproof and dustproof effects and long service lifetime and can be used in the rain or wet environment.
Description
Technical field:
The utility model relates to the dynamic weighing equipment technical field of truck, relates in particular to a kind of portable bended plate type weighing unit.
Background technology:
Because traditional instrument of weighing that is applied to occasions such as the weighing of vehicle, Load Control, government bodies' law enforcement weight detecting, its weighing unit mostly is fixed installation, and weight is bigger, is not easy to move, so some producer has designed the portable weighing unit that is easy to carry about with one.
Existing portable weighing unit mainly comprises force bearing plate that is positioned at the top and the base plate that is positioned at the force bearing plate below, offer a plurality of blind holes in the bottom of force bearing plate, be provided with weight sensor in the blind hole, when vehicle is pressed on the force bearing plate, make it to produce distortion by force bearing plate set down weight inductor, owing to piezoelectric effect forms weight signal and output.But, the weight sensor of this portable weighing unit is the piezoelectric type weight sensor, and the non-linear and temperature performance error ratio of piezoelectric type weight sensor is bigger, when weighing, the speed that vehicle passes through is bigger to the influence of weighing results, and promptly weighing precision is not high.
The utility model content:
The purpose of this utility model is exactly to provide a kind of weighing precision high portable bended plate type weighing unit at the deficiency of prior art existence.
To achieve these goals, the technical solution adopted in the utility model is:
It comprises the elastic body of being made by steel plate, and described elastomeric bottom surface offers blind groove, and fitting in the blind groove is fixed with the strainometer that is used for elastomeric deformation degree is converted to electric signal.
SMD strainometer is counted in described strain, and the sulfuration of elastomeric bottom surface is useful on the vulcanized rubber layer of water-tight.
A described elastomeric end is equipped with wireless transmitter module, and wireless transmitter module is electrically connected with the antenna that is used to launch electric signal, and the input end of wireless transmitter module is electrically connected with strainometer, and the output terminal of wireless transmitter module is electrically connected with antenna.
Described elastomeric blind groove is two, and two blind grooves are symmetrical arranged with elastomeric cross central line, and are parallel to each other.
Described elastomeric bottom surface offers the crossed beam trunking that is used to be communicated with two blind grooves.
Described elastomeric both sides all are connected with draws sloping suspension member.
The bottom of the vulcanized rubber layer of described elastic body bottom surface is provided with backing plate.
Described elastomeric two ends are provided with handle.
Fit in described every blind groove and be fixed with 10 strainometers, wherein, horizontal placement is counted in 5 strains, vertical placement is counted in 5 strains, and 5 strainometers of laterally placing are attached in the blind groove by the paster steel disc.
The utility model beneficial effect is:
A kind of portable bended plate type weighing unit that the utility model provides comprises the elastic body of being made by steel plate, and described elastomeric bottom surface offers blind groove, and fitting in the blind groove is fixed with the strainometer that is used for elastomeric deformation degree is converted to electric signal.Owing to adopted fast, the highly sensitive strainometer of dynamic response, therefore, compare the portable weighing unit that adopts the piezoelectric type weight sensor, the utlity model has the characteristics that dynamic response is fast when weighing, weighing precision is high; And, owing to adopted high-intensity steel plate as the load elastic body, so compression resistance is better than traditional aluminium alloy elastic body greatly; SMD strainometer is counted in strain of the present utility model, and elastomeric bottom surface sulfuration is useful on the vulcanized rubber layer of water-tight, so, the utlity model has very strong water proof and dust proof effect, can use in the rain or in the moist environment, serviceable life is longer.
In addition, the elastomeric end of the utility model is equipped with wireless transmitter module, and wireless transmitter module is electrically connected with the antenna that is used to launch electric signal, makes the utility model to carry out wireless telecommunications with other device.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the structural representation and the enlarged diagram thereof of the utility model elastic body and strainometer;
Fig. 4 is the structural representation that the utility model draws the slope.
Reference numeral:
The blind groove of 1---elastic body 2---
3---strainometer 4---vulcanized rubber layer
5---wireless transmitter module 51---antenna
6---crossed beam trunkings 7---draw sloping suspension member
8---backing plate 9---handle
10---drawing slope 11---link
12---the paster steel disc
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, please refer to Fig. 1～4, a kind of portable bended plate type weighing unit that the utility model provides, it comprises the flat elastic body of being made by steel plate 1, the bottom surface of elastic body 1 offers blind groove 2, fit in the blind groove 2 and be fixed with the strainometer 3 that is used for the deformation degree of elastic body 1 is converted to electric signal, more particularly, when the wheel of driving vehicle from elastic body 1 front (being the top end face) when crossing, elastic deformation promptly takes place in elastic body 1, this elastic deformation passes to the strainometer 3 that is installed in the blind groove 2 in real time, cause the resistance of strainometer 3 to change, strainometer 3 is converted into voltage signal output with the variable quantity of resistance, this output voltage signal promptly can be exchanged into the size of the gravity of required measurement, so elastic body 1 of the present utility model is the sensor that forms a whole with strainometer 3, form the bended plate type weighing unit.
The strainometer 3 of present embodiment is SMD strainometer, and strainometer 3 directly is attached to the top of blind groove 2 during installation, makes that the induction of strainometer 3 is sensitive more; And, the bottom surface sulfuration of elastic body 1 is useful on the vulcanized rubber layer 4 of water-tight, and promptly vulcanized rubber layer 4 is to use vulcanizing treatment technology to form, and enters in the blind groove 2 to prevent rainwater and dust etc., make to the utlity model has water proof and dust proof effect preferably, serviceable life is longer.Wherein, the two ends of the vulcanized rubber layer 4 of elastic body 1 are thicker, and simultaneously, the bottom of the vulcanized rubber layer 4 of described elastic body 1 bottom surface is provided with backing plate 8, and promptly backing plate 8 is positioned at the bottom of the thicker vulcanized rubber layer 4 of corner of elastic body 1 bottom surface.
One end of present embodiment elastic body 1 is equipped with wireless transmitter module 5, wireless transmitter module 5 is electrically connected with the antenna 51 that is used to launch electric signal, wherein, the input end of wireless transmitter module 5 is electrically connected with strainometer 3, the output terminal of wireless transmitter module 5 is electrically connected with antenna 51, receive the voltage signal of strainometer 3 output when wireless transmitter module 5 after, can this signal be transmitted to other device of the instrument of weighing, carry out conversion process by antenna 51.Therefore, the utility model need not stube cable, just can carry out wireless telecommunications with other device by wireless transmitter module 5 and antenna 51 thereof, makes the utility model be easy to carry more.
The blind groove 2 of present embodiment elastic body 1 is two, two blind grooves 2 are symmetrical arranged with the cross central line of elastic body 1, and be parallel to each other, wherein, fit in every blind groove 2 and be fixed with 10 strainometers 3, wherein, 5 strainometers 3 are that laterally placement, 5 strainometers 3 are for vertically placing, 5 strainometers of laterally placing 3 are attached in the blind groove 2 by paster steel disc 12, make that the induction of strainometer 3 is sensitive more; The bottom surface of elastic body 1 offers the crossed beam trunking 6 that is used to be communicated with two blind grooves 2, crossed beam trunking 6 is used to place lead, make the strainometer 3 in two blind grooves 2 can form an electric bridge, thereby the deformation with elastic body 1 is converted into voltage signal output exactly, certainly, when manufacturing, the quantity of described strainometer 3 and blind groove 2 can change according to actual needs.
The both sides of present embodiment elastic body 1 all are connected with draws sloping suspension member 7, in use, draw sloping suspension member 7 can connect be convenient to that vehicle reaches weighing unit draw slope 10, draw slope 10 length and can extend as required, drawing slope 10 1 sides is link 11, link 11 with draw sloping suspension member 7 and be connected and fixed; The two ends of present embodiment elastic body 1 are provided with handle 9, so that the user carries or move.
Dynamic response is fast, highly sensitive, the strainometer of good stability 3 because the utility model has adopted, when the wheel of driving vehicle when elastic body 1 front is crossed, elastic deformation promptly takes place in elastic body 1, strainometer 3 can be sensed the elastic deformation of elastic body 1 sensitive, in real time, the corresponding change in resistance of concurrent life, be converted into voltage signal again and export wireless transmitter module 5 to, by antenna 51 this signal is transmitted to other device of the instrument of weighing by wireless transmitter module 5, carry out conversion process, draw accurate weighing results.Therefore, the utility model is that the bent plate Dynamic Weighing Technology is used for the portable dynamic weighing technology, owing to adopted high-intensity steel plate as the load elastic body, so compression resistance is better than traditional aluminium alloy elastic body greatly; Owing to adopt the bent plate structure of double blinding groove, whole and local anti-pressure ability is better than the anti-pressure ability of traditional edge sensor construction greatly.And bottom surface of the present utility model sulfuration is useful on the vulcanized rubber layer of water-tight, so, the utlity model has very strong water proof and dust proof effect, can use in the rain or in the moist environment, and long service life.The utility model can also carry out wireless telecommunications easily, certainly, and in wired communication modes protection domain also of the present utility model.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (9)
1. portable bended plate type weighing unit, it comprises the elastic body of being made by steel plate (1), it is characterized in that: the bottom surface of described elastic body (1) offers blind groove (2), and fitting in the blind groove (2) is fixed with the strainometer (3) that is used for the deformation degree of elastic body (1) is converted to electric signal.
2. portable bended plate type weighing unit according to claim 1 is characterized in that: described strainometer (3) is SMD strainometer, and the sulfuration of the bottom surface of elastic body (1) is useful on the vulcanized rubber layer (4) of water-tight.
3. portable bended plate type weighing unit according to claim 2, it is characterized in that: an end of described elastic body (1) is equipped with wireless transmitter module (5), wireless transmitter module (5) is electrically connected with the antenna (51) that is used to launch electric signal, the input end of wireless transmitter module (5) is electrically connected with strainometer (3), and the output terminal of wireless transmitter module (5) is electrically connected with antenna (51).
4. portable bended plate type weighing unit according to claim 3 is characterized in that: the blind groove (2) of described elastic body (1) is two, and two blind grooves (2) are symmetrical arranged with the cross central line of elastic body (1), and are parallel to each other.
5. portable bended plate type weighing unit according to claim 4 is characterized in that: the bottom surface of described elastic body (1) offers the crossed beam trunking (6) that is used to be communicated with two blind grooves (2).
6. portable bended plate type weighing unit according to claim 3 is characterized in that: the both sides of described elastic body (1) all are connected with draws sloping suspension member (7).
7. portable bended plate type weighing unit according to claim 3 is characterized in that: the bottom of the vulcanized rubber layer (4) of described elastic body (1) bottom surface is provided with backing plate (8).
8. portable bended plate type weighing unit according to claim 7 is characterized in that: the two ends of described elastic body (1) are provided with handle (9).
9. portable bended plate type weighing unit according to claim 7, it is characterized in that: fitting in described every blind groove (2) is fixed with 10 strainometers (3), wherein, 5 strainometers (3) are that horizontal placement, 5 strainometers (3) are vertically placement, and the strainometers (3) of 5 horizontal placements are attached in the blind groove (2) by paster steel disc (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201890332U CN201672966U (en) | 2010-05-06 | 2010-05-06 | Portable bending weighing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201890332U CN201672966U (en) | 2010-05-06 | 2010-05-06 | Portable bending weighing platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201672966U true CN201672966U (en) | 2010-12-15 |
Family
ID=43330378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201890332U Expired - Fee Related CN201672966U (en) | 2010-05-06 | 2010-05-06 | Portable bending weighing platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201672966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288269A (en) * | 2011-05-16 | 2011-12-21 | 北京万集科技股份有限公司 | Weighing stress device as well as vehicle dynamic weighing system and method |
| CN116539134A (en) * | 2023-07-03 | 2023-08-04 | 深圳市科普瑞传感仪器有限公司 | Precise waterproof weighing sensor, package and system for garbage truck |
-
2010
- 2010-05-06 CN CN2010201890332U patent/CN201672966U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288269A (en) * | 2011-05-16 | 2011-12-21 | 北京万集科技股份有限公司 | Weighing stress device as well as vehicle dynamic weighing system and method |
| CN102288269B (en) * | 2011-05-16 | 2014-09-03 | 北京万集科技股份有限公司 | Weighing stress device as well as vehicle dynamic weighing system and method |
| CN116539134A (en) * | 2023-07-03 | 2023-08-04 | 深圳市科普瑞传感仪器有限公司 | Precise waterproof weighing sensor, package and system for garbage truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Zhengmao Technology Co. Ltd. Assignor: Dongguan Hualanhai Electronics Co.,Ltd. Contract record no.: 2012340000186 Denomination of utility model: Portable bending weighing platform Granted publication date: 20101215 License type: Exclusive License Record date: 20120614 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20130506 |