CN203941458U - The one water distribution control device of weighing - Google Patents
The one water distribution control device of weighing Download PDFInfo
- Publication number
- CN203941458U CN203941458U CN201420383495.6U CN201420383495U CN203941458U CN 203941458 U CN203941458 U CN 203941458U CN 201420383495 U CN201420383495 U CN 201420383495U CN 203941458 U CN203941458 U CN 203941458U
- Authority
- CN
- China
- Prior art keywords
- weighing
- potentiometer
- water
- frequency converter
- power supply
- Prior art date
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000005303 weighing Methods 0.000 title claims abstract description 23
- 238000009826 distribution Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The utility model discloses and announced the one water distribution control device of weighing, this device includes Weighing module, electric control module and water supply module, wherein, Weighing module comprises electronic load cell and weighing-up wave amplifier, electric control module comprises power supply, the first potentiometer, the second potentiometer, frequency converter, water supply module comprises water pump, by two potentiometers, the conversion of weighing-up wave is implemented the control of the running frequency size to frequency converter, use again electric interlock, realize the size that is synchronously determined amount of water by feeding quantity.Reach according to the requirement of supplied materials amount uniform water distribution.The utility model production cost is low, safeguards that simply use cost is low, and reliability is high, and the life-span is long, has quite high promotional value.
Description
Technical field
The utility model relates to brick and tile apparatus field, relates in particular to the one water distribution control device of weighing.
Background technology
The producer that produces at present brick and tile needs material to weigh and water distribution in the process of producing brick and tile.The existing water distribution technology of weighing is all designed with the special computing machine (occurring with the form such as single-chip microcomputer, PLC) of each manufacturer, device parameters is carried out gathering and various calculation process in good time, again operation result is controlled to the running frequency of frequency converter with galvanic voltage or electric current universal standard simulating signal afterwards, thereby reach by the object of the in good time flow control amount of water of principal goods material.It is many that they exist appliance arrangement, and production cost is high, and trouble spot is many, maintenance trouble, and use cost is high, and run-in synchronism rate is low, and user at heart acceptance is low, is difficult for the shortcomings such as popularization.
Utility model content
Technical problem to be solved in the utility model is the defect for background technology, and the one water distribution control device of weighing is provided, and the processing of challenge is simplified, and significantly reduces production costs and use cost.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
The one water distribution control device of weighing, comprises Weighing module, electric control module and water supply module;
Wherein, Weighing module comprises electronic load cell and weighing-up wave amplifier;
Electric control module comprises power supply, the first potentiometer, the second potentiometer, frequency converter;
Described power supply is connected with LOAD CELLS, weighing-up wave amplifier respectively, low pressure end, the high-pressure side of described the first potentiometer is connected with power supply, output terminal is connected with the low pressure end of the second potentiometer, the GND end of frequency converter respectively, and the high-pressure side of described the second potentiometer is connected with the output terminal of described weighing-up wave amplifier, output terminal is connected with the input end of frequency converter external command frequency signal;
Water supply module comprises water pump, and the motor of described water pump is connected with the lead-out terminal of described frequency converter.
As the utility model one further prioritization scheme of water distribution control device of weighing, described power supply Wei Er road output direct-current switch power supply, wherein a road is exported and is connected with weighing-up wave amplifier with LOAD CELLS respectively, and another road output is connected with the first potentiometer.
By two potentiometers, the conversion of weighing-up wave is implemented the control of the running frequency size to frequency converter, then used electric interlock, realize the size that is synchronously determined amount of water by feeding quantity.Reach according to the requirement of supplied materials amount uniform water distribution.
Switching Power Supply in electric control module has two kinds of output voltages, Ye Jiao bis-tunnels, wherein amplifier and the LOAD CELLS work of weighing is supplied with on Yi road, make it convert the weight detecting to d. c. voltage signal, an other road of Switching Power Supply is used for supplying with the first potentiometer work, is used for the deadweight of balance material conveyer belt or the belt conveyer scale of independently weighing through the conversion of the first potentiometer.The voltage output end of the first potentiometer, on the one hand as the low pressure end of the second potentiometer, is used as a utmost point of the GND of the external command frequency signal of frequency converter simultaneously.Positive pole, the output terminal that the high-pressure side of the second potentiometer is accepted weighing-up wave received the positive pole of the input end of frequency converter external command frequency signal.Realize like this running frequency of frequency converter and the instant cleaning liquid weight of material and become all the time certain proportionate relationship, need not calculate the object that has just reached dynamic tracking.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
1. do not need data to calculate, so be unworthy of the computers such as specific program single-chip microcomputer, PLC, but with an electric pressure converter, the general assembly (TW) signal taking is deducted to the deadweight signal of weigh belt conveyer scale or empty travelling belt, the DC signal of using again the nt wt net weight signal (general assembly (TW) signal deduct the deadweight signal of conveyer belt) of another electric pressure converter to material to convert to carries out appropriateness and regulates the running frequency control signal as frequency converter, form corresponding proportion variation to reach the actual amount of water of control water pump with the weight of clean material, implemented dynamic tracking;
2. device feature is few, simple to operate, and maintenance is little, and few easy workout part is not high to maintainer's competency profiling, and common electrician, universal machine maintenance mans can implement maintenance under producer technician's phone instructs;
3. production cost is low, safeguards that simply use cost is low, and reliability is high, and the life-span is long, has quite high promotional value.
Brief description of the drawings
Fig. 1 is the weigh wiring diagram of water distribution control device control circuit of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
As shown in Figure 1, the utility model discloses the water distribution control device of weighing that a kind of brick-tile industry uses, comprise Weighing module, electric control module and water supply module;
Wherein, Weighing module comprises electronic load cell and weighing-up wave amplifier;
Electric control module comprises power supply, the first potentiometer R1, the second potentiometer R2, frequency converter;
Described power supply is connected with LOAD CELLS, weighing-up wave amplifier respectively, low pressure end, the high-pressure side of described the first potentiometer R1 is connected with power supply, output terminal is connected with the low pressure end of the second potentiometer R2, the GND end of frequency converter respectively, and the high-pressure side of described the second potentiometer R2 is connected with the output terminal of described weighing-up wave amplifier, output terminal is connected with the input end of frequency converter external command frequency signal;
Water supply module comprises water pump, and the motor of described water pump is connected with the lead-out terminal of described frequency converter.
As the utility model one further prioritization scheme of water distribution control device of weighing, described power supply Wei Er road output direct-current switch power supply, wherein a road is exported and is connected with weighing-up wave amplifier with LOAD CELLS respectively, and another road output is connected with the first potentiometer R1.
It is all the convenience of the simulating signal of this same type of direct current 0～10V that this device utilizes the external command frequency signal of weighing-up wave and frequency converter, use two potentiometers (slide rheostat), i.e. the first potentiometer R1 and the second potentiometer R2, directly weighing-up wave is converted to the operating frequency signal of frequency converter, realized calculating and just reach the object of following the tracks of in time water distribution with the instantaneous weight of principal goods material.
This device be according to the instantaneous weight of principal goods material and whether reinforced actuating signal decide the action that synchronously adds water from dynamic control device, without staff on duty, can will be arranged on union operation on the operator's console of main post work for eletric starter button.Cabinet face is only provided with the pilot lamp HL1 that powers on, solenoid valve YV conducting pilot lamp HL2, the control of amount of water provides basis signal by weighing-up wave, the command switch K whether adding water synchronously determines (being also interlocking) by the reinforced action of principal goods material, separately establish SA-2, be convenient to debugging and maintenance etc. and initiatively cut off water route and frequency converter work.The weight of principal goods material obtains by the electronic load cell of installing, then converts 0～10V direct current signal to through signal amplifier.From deserving to be called the weight resultant signal that the weight signal obtaining is subordinate mechanism and principal goods material.In the time that equipment does not add the idle running of principal goods material, we are called the deadweight of subordinate mechanism or tare weight, deserve to be called certain power that still can be subject to, and can produce corresponding Voltage-output.The sliding point of the second potentiometer R2 is transferred to maximum value point by we, and the first potentiometer R1 is transferred to minimum resistance point, and now on the nixie display of frequency converter, shown frequency number becomes certain proportionate relationship with above-mentioned voltage.Indirectly know in other words voltage.And now require water pump not turn or amount of water is zero, substantially constant to the mounted subordinate mechanism weight of specifically weighing.Now just can carry out this analog voltage of balance by a DC voltage of adjustable contact output that regulates the first potentiometer R1, near equilibrium point the displayed value of frequency converter in zero left and right, each several part work while reaching dry run but do not add water.
In actual production, the contained moisture time of principal goods material self has been grown also and can change, each producer of the water percentage of production requirement may be not identical yet, this just requires water addition ratio example adjustable, in design, by the second potentiometer R2, the nt wt net weight signal of principal goods material being carried out to certain ratio regulates, signal after adjusting is controlled the frequency of operation of frequency converter again, all the time the operating frequency that ensures to add water becomes certain proportionate relationship with principal goods material instant cleaning liquid weight signal, further reach the object of controlling suitable amount of water.
After frequency converter powers on, element task program is opened.Detect on the one hand the voltage signal of the external command operating frequency size between AI1 and bis-points of GND, after show pre-operating frequency number by nixie display.Wait on the other hand working signal (COM and FWD conducting).On this path, be provided with SA-1 and force on-off switch, the conveying arrangement of another and principal goods material has been implemented electric interlock.
Claims (2)
1. the water distribution control device of weighing, is characterized in that, comprises Weighing module, electric control module and water supply module;
Wherein, Weighing module comprises electronic load cell and weighing-up wave amplifier;
Electric control module comprises power supply, the first potentiometer, the second potentiometer, frequency converter;
Described power supply is connected with LOAD CELLS, weighing-up wave amplifier respectively, low pressure end, the high-pressure side of described the first potentiometer is connected with power supply, output terminal is connected with the low pressure end of the second potentiometer, the GND end of frequency converter respectively, and the high-pressure side of described the second potentiometer is connected with the output terminal of described weighing-up wave amplifier, output terminal is connected with the input end of frequency converter external command frequency signal;
Water supply module comprises water pump, and the motor of described water pump is connected with the lead-out terminal of described frequency converter.
2. the water distribution control device of weighing according to claim 1, is characterized in that, described power supply Wei Er road output direct-current switch power supply, and wherein a road is exported and is connected with weighing-up wave amplifier with LOAD CELLS respectively, and another road output is connected with the first potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383495.6U CN203941458U (en) | 2014-07-13 | 2014-07-13 | The one water distribution control device of weighing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420383495.6U CN203941458U (en) | 2014-07-13 | 2014-07-13 | The one water distribution control device of weighing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941458U true CN203941458U (en) | 2014-11-12 |
Family
ID=51860759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420383495.6U Expired - Fee Related CN203941458U (en) | 2014-07-13 | 2014-07-13 | The one water distribution control device of weighing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203941458U (en) |
-
2014
- 2014-07-13 CN CN201420383495.6U patent/CN203941458U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141112 |