CN205449237U - Dynamic mass metering device - Google Patents

Dynamic mass metering device Download PDF

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Publication number
CN205449237U
CN205449237U CN201521037308.XU CN201521037308U CN205449237U CN 205449237 U CN205449237 U CN 205449237U CN 201521037308 U CN201521037308 U CN 201521037308U CN 205449237 U CN205449237 U CN 205449237U
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China
Prior art keywords
volume tank
dynamic mass
fulcrum
leading screw
mass metering
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CN201521037308.XU
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Chinese (zh)
Inventor
李丰勇
陈益思
董宁
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Qingdao Center Testing Technology Co Ltd
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Qingdao Center Testing Technology Co Ltd
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Abstract

The utility model discloses a dynamic mass metering device, include: sensing device is weighed including laying in weighing sensor, the voltage acquisition module of volume tank bottoms portion to industry control computer, the next machine, volume jar, left socle and right branch frame, volume jar, and weighing sensor passes through voltage acquisition module and the next machine and industry control computer link, and the industry control computer is used for showing the weight that obtains that weighing sensor measures, is surveyed the liquid sensing device that weighs, is included: motor, lead screw, weight, fulcrum, photoelectric sensor, the lead screw supports on the fulcrum, and the one end of lead screw articulates the volume jar, the other end articulates the weight, but and motor drive screw rotate for the relative fulcrum of weight produces the displacement, makes the lead screw be in balanced state, interval between photoelectric sensor real time output weight and the fulcrum, and give the industry control computer through the next machine transmission, the industry control computer calculates by the quality of survey liquid accurately. The utility model relates to a dynamic mass metering device of material in can the precise measurement container.

Description

Dynamic mass metering device
Technical field
This utility model relates to mass metrology technical field, particularly relate to a kind of can the dynamic mass metering device of accurate measurement capsule contents.
Background technology
In modern industry produces, the real time measure being carried out the transient weight value of material, and the quantitative weighing carrying out material, be all efficiently production, quality control, reduction cost and the key technology guaranteeing consumer's interests.
Current material online quantitative weighing technology, conventional method has: impulse momentum method, volumetric method, method of radiation absorption, mass method, gravitational method etc., the most commonly used is gravitational method.Remaining weighing technology, in addition to gravitational method, precision is the most not enough, it is impossible to meet the Production requirement of modern industry, even and in gravitational method, existing gravitational method Weighing system and method are also difficult to superhigh precision.
Therefore, need badly a kind of can the dynamic mass metering device of accurate measurement capsule contents.
Utility model content
The purpose of this utility model be to provide a kind of can the dynamic mass metering device of accurate measurement capsule contents.
To achieve these goals, the technical scheme that this utility model provides is: provide a kind of dynamic mass metering device, including:
Industrial computer and slave computer;
For containing the volume tank of fluid to be measured, described volume tank is respectively provided on two sides with left socle and right support, described left socle and right support are lifting structure and have the holding section engaged with described volume tank, bottom is provided with roller, described left socle and right support can move described volume tank by described roller;
Volume tank weighing sensing device, described volume tank weighing sensing device includes that at least three is uniformly laid in the LOAD CELLS of described volume pot bottom, voltage acquisition module, described LOAD CELLS is connected with described industrial computer by described voltage acquisition module and described slave computer, and described industrial computer is for showing the weight obtained measured by described LOAD CELLS;
Fluid to be measured weighing sensing device, including: motor, leading screw, counterweight, fulcrum, photoelectric sensor, described leading screw is supported on described fulcrum, and one end of described leading screw mounts described volume tank, the other end mounts described counterweight, and described motor can drive described screw turns, the most described fulcrum of described counterweight is made to produce displacement, described leading screw is made to be in poised state, described photoelectric sensor exports the spacing between described counterweight and described fulcrum in real time, and it is transferred to described industrial computer by described slave computer, described industrial computer is precisely calculated the quality of fluid to be measured.
Described fluid to be measured weighing sensing device also includes weight tray, described weight tray is provided with for being sheathed on the circulus on described leading screw and for placing the disk-like structure of counterweight, described counterweight is placed on described disk-like structure, and described photoelectric sensor is installed in described circulus top.
Described photoelectric sensor is connected with described industrial computer by described slave computer, the current result weighed of described industrial computer output.
Described volume tank weighing sensing device includes four described LOAD CELLSs being uniformly laid in described volume pot bottom.
Also including the pipeline for injecting liquid to described volume tank, described pipeline is provided with total lock at the described volume tank of injection, and described total lock is provided with and controls electromagnetic valve and the volumetric flowmeter of calculated flow rate size that flow opens/stops.
It is provided with temperature/pressure/humidity module at described total lock, is used for gathering current test environment information, and is exported by RS-485 serial ports.
Being additionally provided with liquid level sensor in described volume tank, described liquid level sensor is connected with described industrial computer by described slave computer.
Described left socle and right support top are attached fixing by a crossbeam, and described leading screw be arranged in parallel with described crossbeam and is fixed on described crossbeam.
Described motor is located on described left socle or right support and is connected with described leading screw.
Described fulcrum is arranged over the reflecting plate for coordinating with described photoelectric sensor, and described reflecting plate is provided with the alignment point of the signal alignment for being sent with described photoelectric sensor.
Compared with prior art, in this utility model dynamic mass metering device, owing to being provided with described volume tank weighing sensing device and fluid to be measured weighing sensing device, by described volume tank weighing sensing device, it is able to ensure that described volume tank is for being in horizontal positioned state, measured the quality of current described volume tank by described volume pot bottom these four described LOAD CELLSs equally distributed, this mass value is the substantially quality size of this volume tank.Corresponding counterweight is selected subsequently according to this mass value, control described motor movement, drive described leading screw to move along a straight line described counterweight to move to suitable position, described photoelectric sensor exports the spacing between described counterweight and described fulcrum in real time, and it being transferred to described industrial computer by described slave computer, described industrial computer is precisely calculated the quality of fluid to be measured.
By description below and combine accompanying drawing, this utility model will become more fully apparent, and these accompanying drawings are used for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of this utility model dynamic mass metering device.
Fig. 2 is the circuit theory module map of dynamic mass metering device as shown in Figure 1.
Detailed description of the invention
With reference now to accompanying drawing, describing embodiment of the present utility model, element numbers similar in accompanying drawing represents similar element.As it has been described above, as shown in Figure 1, 2, this utility model provides a kind of dynamic mass metering device 100, for the quality of the liquid in described volume tank 20 is carried out accurate weighing, including:
Industrial computer 1 and slave computer 2, communicated by serial ports between described industrial computer 1 and described slave computer 2, and described industrial computer 1 is preinstalled with supporting software system, peripheral configuration display and input equipment;
For containing the volume tank 20 of fluid to be measured, described volume tank 20 is respectively provided on two sides with left socle 3 and right support 4, described left socle 3 and right support 4 are lifting structure and have the holding section 5 engaged with described volume tank 20, bottom is provided with roller 6, described left socle 3 and right support 4 can move described volume tank 20 by described roller 6;Described lifting structure is cylinder lifting, and the stroke of cylinder is adjusted by external gas source, electromagnetic valve, and this electromagnetic valve is controlled by described slave computer 2;Described left socle 3 and right support 4 all can the driving motor of independently mounted roller 6, this driving motor is controlled by described slave computer 2.
Volume tank weighing sensing device 7, described volume tank weighing sensing device 7 includes that at least three is uniformly laid in the LOAD CELLS 8 bottom described volume tank 20, voltage acquisition module 9, described LOAD CELLS 8 is connected with described industrial computer 1 by described voltage acquisition module 9 and described slave computer 2, and described industrial computer 1 is for showing the weight obtained measured by described LOAD CELLS 8;
Fluid to be measured weighing sensing device 30, including: motor 10, leading screw 11, counterweight 12, fulcrum 13, photoelectric sensor 14, described leading screw 11 is supported on described fulcrum 13, and one end of described leading screw 11 mounts described volume tank 20, the other end mounts described counterweight 12, and described motor 10 can drive described leading screw 11 to rotate, the described the most described fulcrum of counterweight 12 13 is made to produce displacement, described leading screw 11 is made to reach poised state, described photoelectric sensor 14 exports the spacing between described counterweight 12 and described fulcrum 13 in real time, and it is transferred to described industrial computer 1 by described slave computer 2, described industrial computer 1 is precisely calculated the quality of fluid to be measured.
Described fluid to be measured weighing sensing device 30 also includes weight tray 15, described weight tray 15 is provided with for being sheathed on circulus 15a on described leading screw 11 and for placing the disk-like structure 15b of counterweight 12, described counterweight 12 is placed on described disk-like structure 15b, and described photoelectric sensor 14 is installed in described circulus 15a top, the most described photoelectric sensor 14 can move with described circulus 15a.Therefore, when described motor 10 starts, driving described leading screw 11 to rotate, and described circulus 15a and described leading screw 11 are threaded engagement, the most described fulcrum of described circulus 15a 13 produces displacement.
In one embodiment, described photoelectric sensor 14 is connected with described industrial computer 1 by described slave computer 2, and described industrial computer 1 exports the result of current weighing.Described industrial computer 1 carries out calculating and pass through display by the software pre-installed thereon and shows the result of current weighing.
In one embodiment, described volume tank weighing sensing device 7 includes four described LOAD CELLSs 8 being uniformly laid in bottom described volume tank 20.By the described volume tank 20 of four uniform layings, it is i.e. that the described LOAD CELLS 8 that each two is adjacent is arranged in an angle of 90 degrees, and can show, by described LOAD CELLS 8, the weight that can be detected by exactly, by being arranged on the software on described industrial computer 1, calculate the quality of presently described volume tank 20, the quality of this presently described volume tank 20 is substantially quality, therefore, it is possible to increase counterweight 12 easily, additionally by the described LOAD CELLS 8 arranging these four uniform layings, it is able to ensure that described volume tank 20 is steadily to place, it it is the premise of the quality of accurate weighing fluid to be measured.
In one embodiment, also include the pipeline 40 for injecting liquid to described volume tank 20, described pipeline 40 is provided with total lock 41 at the described volume tank 20 of injection, and described total lock 41 is provided with and controls electromagnetic valve and the volumetric flowmeter of calculated flow rate size that flow opens/stops.If flowing through described pipeline 40 total flow when having exceeded the higher limit being manually set, warning can be sent, remind operator to slow down or stop injecting liquid to described volume tank 20.
In one embodiment, at described total lock 41, it is provided with temperature/pressure/humidity module, is used for gathering current test environment information, and is exported by RS-485 serial ports.
In one embodiment, described fulcrum 13 is arranged over the reflecting plate 17 for coordinating with described photoelectric sensor 14, and described reflecting plate 17 is provided with the alignment point of the signal alignment for being sent with described photoelectric sensor 14.The signal that described alignment point and described photoelectric sensor 14 are sent is horizontal aligument, if the signal that described photoelectric sensor 14 is sent can not be directed at described alignment point, then show that described leading screw 11 is still not at level, therefore still need to the relative movement on described leading screw 11 of described counterweight 12, guarantee that the signal that described photoelectric sensor 14 is sent is directed at described alignment point, now can measure the quality of fluid to be measured exactly.
In one embodiment, being additionally provided with liquid level sensor 21 in described volume tank 20, described liquid level sensor 21 is connected with described industrial computer 1 by described slave computer 2.The liquid level in described volume tank 20 can be grasped at any time by described liquid level sensor 21, prevent the liquid level in described volume tank 20 from exceeding higher limit.
In one embodiment, described left socle 3 and right support 4 top are attached fixing by a crossbeam 16, and described leading screw 11 be arranged in parallel with described crossbeam 16 and is fixed on described crossbeam 16.
In one embodiment, described motor 10 is located on described left socle 3 or right support 4 and is connected with described leading screw 11.Described motor 10 is high-precision motor, and is also associated with the decelerator controlled for convenience with described leading screw 11 before being connected;Owing to one end of described leading screw 11 mounts described volume tank 20, the other end mounts described counterweight 12, and described leading screw 11 is also carried on described fulcrum 13, owing to the position of described volume tank 20 and described fulcrum 13 is all fixed, and circulus 15a on described leading screw 11 is to threaded with described leading screw 11, and along with the rotation of described leading screw 11, described circulus 15a can produce displacement by the most described leading screw 11, it is the balance at fulcrum 13 two ends with holding.
The job step of this utility model dynamic mass metering device described further below:
By described host computer, described slave computer is inputted control command, driving motor is made to move left socle and the right support of described volume tank both sides, and fix described volume tank with described left socle, right support, make described volume tank fix, then in described volume tank, inject testing liquid.When after the liquid injecting appropriate volume in described volume tank, the described left socle of mobile described volume tank and right support, described volume tank is made to be fully seated on four described LOAD CELLSs, measured the mass value of presently described volume tank by described volume pot bottom these four LOAD CELLSs equally distributed, this mass value is the substantially quality size of described volume tank.Corresponding counterweight is selected subsequently according to this mass value, start described motor, drive described leading screw to move along a straight line and counterweight is placed into the position specified, accurately measured the distance of described counterweight and the described alignment point on described reflecting plate by described photoelectric sensor, described photoelectric sensor sends measured distance to described industrial computer by described slave computer.In addition, temperature/pressure/humidity module is installed at described total lock, it is used for gathering current test environment information, and pass to the peripheral hardware of described host computer by described slave computer and show, and as measuring parameter, for guaranteeing that liquid normally injects volume tank, it is provided with at total lock and controls electromagnetic valve and the volumetric flowmeter of calculated flow rate size that flow opens/stops, when total flow has exceeded the higher limit being manually set, warning can be sent, remind operator to slow down or stop injecting liquid in the volume tank of workbench.
In conjunction with Fig. 1,2, in this utility model dynamic mass metering device, owing to being provided with described volume tank weighing sensing device 7 and fluid to be measured weighing sensing device 30, by described volume tank weighing sensing device 7, it is able to ensure that described volume tank 20 is for being in horizontal positioned state, measured the quality of current described volume tank 20 by these four described LOAD CELLSs 8 of described volume tank 20 bottom even distribution, this mass value is the substantially quality size of this volume tank 20.Corresponding counterweight is selected subsequently according to this mass value, control described motor 10 to move, driving described leading screw 11 to move along a straight line described counterweight 12 to move to suitable position, and be transferred to described industrial computer 1 by described slave computer 2, described industrial computer 1 is precisely calculated the quality of fluid to be measured.
Above disclosed it is only preferred embodiment of the present utility model, certainly can not limit the interest field of this utility model, the equivalent variations therefore made according to this utility model claim with this, still belong to the scope that this utility model is contained.

Claims (10)

1. a dynamic mass metering device, it is characterised in that including:
Industrial computer and slave computer;
For containing the volume tank of fluid to be measured, described volume tank is respectively provided on two sides with left socle and right support, described left socle and right support are lifting structure and have the holding section engaged with described volume tank, bottom is provided with roller, described left socle and right support can move described volume tank by described roller;
Volume tank weighing sensing device, described volume tank weighing sensing device includes that at least three is uniformly laid in the LOAD CELLS of described volume pot bottom, voltage acquisition module, described LOAD CELLS is connected with described industrial computer by described voltage acquisition module and described slave computer, and described industrial computer is for showing the weight obtained measured by described LOAD CELLS;
Fluid to be measured weighing sensing device, including: motor, leading screw, counterweight, fulcrum, photoelectric sensor, described leading screw is supported on described fulcrum, and one end of described leading screw mounts described volume tank, the other end mounts described counterweight, and described motor can drive described screw turns, the most described fulcrum of described counterweight is made to produce displacement, described leading screw is made to be in poised state, described photoelectric sensor exports the spacing between described counterweight and described fulcrum in real time, and it is transferred to described industrial computer by described slave computer, described industrial computer is precisely calculated the quality of fluid to be measured.
2. dynamic mass metering device as claimed in claim 1, it is characterized in that, described fluid to be measured weighing sensing device also includes weight tray, described weight tray is provided with for being sheathed on the circulus on described leading screw and for placing the disk-like structure of counterweight, described counterweight is placed on described disk-like structure, and described photoelectric sensor is installed in described circulus top.
3. dynamic mass metering device as claimed in claim 1 or 2, it is characterised in that described photoelectric sensor is connected with described industrial computer by described slave computer, the current result weighed of described industrial computer output.
4. dynamic mass metering device as claimed in claim 1, it is characterised in that described volume tank weighing sensing device includes four described LOAD CELLSs being uniformly laid in described volume pot bottom.
5. dynamic mass metering device as claimed in claim 1, it is characterized in that, also include the pipeline for injecting liquid to described volume tank, described pipeline is provided with total lock at the described volume tank of injection, and described total lock is provided with and controls electromagnetic valve and the volumetric flowmeter of calculated flow rate size that flow opens/stops.
6. dynamic mass metering device as claimed in claim 1, it is characterised in that be provided with temperature/pressure/humidity module at total lock, is used for gathering current test environment information, and is exported by RS-485 serial ports.
7. dynamic mass metering device as claimed in claim 1, it is characterised in that being additionally provided with liquid level sensor in described volume tank, described liquid level sensor is connected with described industrial computer by described slave computer.
8. the dynamic mass metering device as described in any one of claim 1,2 or 4~7, it is characterised in that described left socle and right support top are attached fixing by a crossbeam, and described leading screw and described crossbeam be arranged in parallel and be fixed on described crossbeam.
9. dynamic mass metering device as claimed in claim 8, it is characterised in that described motor is located on described left socle or right support and is connected with described leading screw.
10. dynamic mass metering device as claimed in claim 9, it is characterised in that described fulcrum is arranged over the reflecting plate for coordinating with described photoelectric sensor, described reflecting plate is provided with the alignment point for the signal alignment sent with described photoelectric sensor.
CN201521037308.XU 2015-12-11 2015-12-11 Dynamic mass metering device Active CN205449237U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424146A (en) * 2015-12-11 2016-03-23 青岛市华测检测技术有限公司 Dynamic quality metering equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424146A (en) * 2015-12-11 2016-03-23 青岛市华测检测技术有限公司 Dynamic quality metering equipment

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