CN205079849U - On -vehicle changer of weighing - Google Patents
On -vehicle changer of weighing Download PDFInfo
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- CN205079849U CN205079849U CN201520850313.6U CN201520850313U CN205079849U CN 205079849 U CN205079849 U CN 205079849U CN 201520850313 U CN201520850313 U CN 201520850313U CN 205079849 U CN205079849 U CN 205079849U
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- solid part
- vehicle
- mounted weight
- weight transmitter
- weighing device
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Abstract
The utility model discloses an on -vehicle changer of weighing, on -vehicle changer of weighing melts weighing sensor a little and includes weighing device, first solid portion, the solid portion of second and the solid portion of third including melting weighing sensor, bellows and two at least mounting bases a little, in bellows was located to the weighing device cover, first solid portion and the solid portion of second of setting up was extended respectively in bellows's both ends exit, and the other end of the solid portion of second sets up the solid portion of third, and first solid portion and the 3rd solid portion do not correspond and set up on the one or more mounting base, the weighing device produces the pressure drag signal and exports pressure drag signal conversion one -tenth analog signal or data signal through the deformation of elastomer, and the scope that melts weighing sensor's sensitivity a little is 5~10mvV. The utility model provides an on -vehicle changer of weighing is integrated to melt weighing sensor a little, has improved on -vehicle changer of weighing's barrier propterty, has improved measurement accuracy, and has simplified user's mounting means.
Description
Technical field
The utility model relates to a kind of vehicle-mounted weight transmitter.
Background technology
Vehicle-mounted weight transmitter is the sensing device installed on load transportation automobile, in the process of vehicle loading, unloading goods, the change of vehicle load situation is sent on car-mounted display equipment by vehicle-mounted weight transmitter, relevant information such as display vehicle load and unbalance loading situation etc.
At present, the vehicle-mounted LOAD CELLS that China uses substantially from external import, and is strain gauge load cell substantially.During application strain gauge load cell, matching used equipment is more, price is high, could install after not only needing during installation to disassemble the railway carriage or compartment plate of truck, and need the installation personnel of extremely specialty just can carry out installation and adjustment, external product even needs external expert to install at the scene, therefore will significantly improve the cost of truck installation weighing system.
In sum, need to develop a vehicle-mounted weight transmitter being more suitable for truck and using.
Utility model content
The technical problems to be solved in the utility model is strain gauge load cell to overcome vehicle-mounted LOAD CELLS in prior art, needs more matching used equipment during application, and be inconvenient to the defect of installing, and provides a kind of vehicle-mounted weight transmitter.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of vehicle-mounted weight transmitter, described vehicle-mounted weight transmitter comprises micro-molten LOAD CELLS, seal bellows and at least two mounting bases, and described micro-molten LOAD CELLS comprises weighing device, the first solid part, the second solid part and the 3rd solid part;
Described weighing device is sheathed in described seal bellows, exit, two ends extended described first solid part and described second solid part respectively of described seal bellows, the other end of described second solid part arranges described 3rd solid part, and described first solid part and described 3rd solid part respectively correspondence are arranged on one or more described mounting base;
Described weighing device produces pressure drag signal by elastomeric deformation and converts described pressure drag signal to simulating signal or digital signal exports, and the scope of the sensitivity of described micro-molten LOAD CELLS is 5 ~ 10mv/V.
In this programme, described seal bellows can adopt degree of protection to be the safeguard structure of IP67 (referring to protection safety rank).
In this programme, described micro-molten LOAD CELLS adopts high precision silicon wafer, compared to the sensitivity of about the 1mv/V of general LOAD CELLS, described micro-molten LOAD CELLS has the sensitivity of 5 ~ 10mv/V, thus makes described vehicle-mounted weight transmitter have higher measuring accuracy.
Preferably, described first solid part and described 3rd solid part are arranged on described mounting base respectively by the bolt of correspondence and bullet pad.
Preferably, the one side contacted with described first solid part or described 3rd solid part in mounting base described in each all arranges several salient points.
In this programme, increase described first solid part or the friction between described 3rd solid part and described mounting base by described salient point, thus prevent described first solid part or described 3rd slip of solid part on described mounting base.
Preferably, described micro-molten LOAD CELLS also comprises cable, and described cable is electrically connected with described weighing device, and described simulating signal or described digital signal are exported by described cable by described weighing device.
Preferably, described vehicle-mounted weight transmitter also comprises waterproof Glan, and described waterproof Glan is arranged in described second solid part, and described cable joint-box to be located in described waterproof Glan and to be led to the outside of described vehicle-mounted weight transmitter.
Preferably, described cable is RS485 (intelligent instrument) cable.
In this programme, described weighing device exports described digital signal by RS485 bus, is convenient to computer real-time analysis and calculating.
Preferably, described weighing device also comprises temperature sensor, and described temperature sensor is electrically connected with the amplifying circuit of described weighing device.
In this programme, by described temperature sensor can vehicle-mounted weight transmitter described in Real-time Obtaining ambient temperature data and compensate measure in real time according to described ambient temperature data, thus make the measurement result of described vehicle-mounted weight transmitter more stable.
Preferably, the material of described first solid part, described second solid part and described 3rd solid part is stainless steel.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is:
The integrated micro-molten LOAD CELLS of the vehicle-mounted weight transmitter that the utility model provides, can reflect the load-carrying of automobile in real time and lay particular stress on situation.The utility model improves the barrier propterty of vehicle-mounted weight transmitter, improves the measuring accuracy of vehicle-mounted weight transmitter, and simplifies the mounting means of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vehicle-mounted weight transmitter of the utility model preferred embodiment.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
As shown in Figure 1, the present embodiment provides a kind of vehicle-mounted weight transmitter, described vehicle-mounted weight transmitter comprises micro-molten LOAD CELLS, seal bellows 4, waterproof Glan 11, bolt 9, bullet pad 10 and two mounting bases 8, described micro-molten LOAD CELLS comprises weighing device 1, first solid part 5, second solid part 6, the 3rd solid part 7 and RS485 cable 12, described weighing device 1 comprises weighing and sensing circuit, temperature sensor 2 and amplifying circuit 3, and the material of described first solid part 5, described second solid part 6 and described 3rd solid part 7 is stainless steel;
Described weighing device 1 is sheathed in described seal bellows 4, described seal bellows 4 adopts degree of protection to be the safeguard structure of IP67, the exit, two ends of described seal bellows 4 extends respectively by the mode of welding and is fixedly installed described first solid part 5 and described second solid part 6, the other end of described second solid part 6 is fixedly installed described 3rd solid part 7, described first solid part 5 and described 3rd solid part 7 are arranged on a corresponding described mounting base 8 respectively by the described bolt 9 of correspondence and described bullet pad 10, the one side contacted with described first solid part 5 or described 3rd solid part 7 in mounting base 8 described in each all arranges several salient points, described first solid part 5 or the friction between described 3rd solid part 7 and described mounting base 8 is increased by described salient point, thus prevent described first solid part 5 or the slip of described 3rd solid part 7 on described mounting base 8, described waterproof Glan 11 is fixedly installed in described second solid part 6 by screw thread,
Described weighing and sensing circuit and described temperature sensor 2 are electrically connected with described amplifying circuit 3 respectively, described RS485 cable 12 is electrically connected with described amplifying circuit 3, described RS485 cable 12 to be sheathed in described waterproof Glan 11 and to lead to the outside of described vehicle-mounted weight transmitter, described weighing device is by RS485 bus output digit signals, therefore be convenient to computer real-time analysis and calculating, described weighing device is also by other cable outputting analog signals.
When using described vehicle-mounted weight transmitter, arrange a described vehicle-mounted weight transmitter respectively in the both sides of the propons of truck and the close tire of back axle, vehicle-mounted weight transmitter described in each is electrically connected to display device respectively by described RS485 cable 12.
When to described truck loading, the displacement transfer of the spandrel girder of described truck is to described vehicle-mounted weight transmitter, described weighing and sensing circuit produces corresponding pressure drag signal by elastomeric deformation and is sent to described amplifying circuit 3, described amplifying circuit 3 converts the pressure drag signal received to simulating signal or digital signal exports, in the present embodiment, the digital signal that pressure drag signal characterizes is sent to described display device by RS485 cable 12 by described amplifying circuit 3, user understands load-carrying and the unbalance loading situation of described truck in real time by described display device,
By described temperature sensor 2 can vehicle-mounted weight transmitter described in Real-time Obtaining ambient temperature data and compensate measure according to described ambient temperature data, thus make the measurement result of described vehicle-mounted weight transmitter more stable, described temperature sensor 2 is sent to described display device after being processed by described amplifying circuit 3 by the temperature signal measured in real time, and user understands the environment temperature of described vehicle-mounted weight transmitter in real time by described display device.
Described micro-molten LOAD CELLS adopts high precision silicon wafer, and compared to the sensitivity of about the 1mv/V of general LOAD CELLS, described micro-molten LOAD CELLS has the sensitivity of 5 ~ 10mv/V, thus makes described vehicle-mounted weight transmitter have higher measuring accuracy.
Described vehicle-mounted weight transmitter adopts girder structure, not only disassembles conveniently, and simplifies the mounting means of user.Improve the degree of protection of described vehicle-mounted weight transmitter by parts such as described seal bellows 4 and described waterproof Glans 11, thus ensure that stability in use and the access times of described vehicle-mounted weight transmitter.Described vehicle-mounted weight transmitter also can be arranged on described truck easily, just can install without the need to extremely professional installation personnel, saves the cost installing vehicle-mounted weighing system.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (8)
1. a vehicle-mounted weight transmitter, it is characterized in that, described vehicle-mounted weight transmitter comprises micro-molten LOAD CELLS, seal bellows and at least two mounting bases, and described micro-molten LOAD CELLS comprises weighing device, the first solid part, the second solid part and the 3rd solid part;
Described weighing device is sheathed in described seal bellows, exit, two ends extended described first solid part and described second solid part respectively of described seal bellows, the other end of described second solid part arranges described 3rd solid part, and described first solid part and described 3rd solid part respectively correspondence are arranged on one or more described mounting base;
Described weighing device produces pressure drag signal by elastomeric deformation and converts described pressure drag signal to simulating signal or digital signal exports, and the scope of the sensitivity of described micro-molten LOAD CELLS is 5 ~ 10mv/V.
2. vehicle-mounted weight transmitter as claimed in claim 1, is characterized in that, described first solid part and described 3rd solid part are arranged on described mounting base respectively by the bolt of correspondence and bullet pad.
3. vehicle-mounted weight transmitter as claimed in claim 1, is characterized in that, the one side contacted with described first solid part or described 3rd solid part in mounting base described in each all arranges several salient points.
4. vehicle-mounted weight transmitter as claimed in claim 1, it is characterized in that, described micro-molten LOAD CELLS also comprises cable, and described cable is electrically connected with described weighing device, and described simulating signal or described digital signal are exported by described cable by described weighing device.
5. vehicle-mounted weight transmitter as claimed in claim 4, it is characterized in that, described vehicle-mounted weight transmitter also comprises waterproof Glan, and described waterproof Glan is arranged in described second solid part, and described cable joint-box to be located in described waterproof Glan and to be led to the outside of described vehicle-mounted weight transmitter.
6. vehicle-mounted weight transmitter as claimed in claim 4, is characterized in that, described cable is RS485 cable.
7. vehicle-mounted weight transmitter as claimed in claim 1, is characterized in that, described weighing device also comprises temperature sensor, and described temperature sensor is electrically connected with the amplifying circuit of described weighing device.
8. as the vehicle-mounted weight transmitter in claim 1 ~ 7 as described in any one, it is characterized in that, the material of described first solid part, described second solid part and described 3rd solid part is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850313.6U CN205079849U (en) | 2015-10-29 | 2015-10-29 | On -vehicle changer of weighing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850313.6U CN205079849U (en) | 2015-10-29 | 2015-10-29 | On -vehicle changer of weighing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205079849U true CN205079849U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520850313.6U Active CN205079849U (en) | 2015-10-29 | 2015-10-29 | On -vehicle changer of weighing |
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| CN (1) | CN205079849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644012A (en) * | 2015-10-29 | 2017-05-10 | 上海朝辉压力仪器有限公司 | Vehicle-mounted weighing transmitter |
-
2015
- 2015-10-29 CN CN201520850313.6U patent/CN205079849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644012A (en) * | 2015-10-29 | 2017-05-10 | 上海朝辉压力仪器有限公司 | Vehicle-mounted weighing transmitter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |