CN203561433U - Universal-belt-scale simulation test displacement simulation device - Google Patents
Universal-belt-scale simulation test displacement simulation device Download PDFInfo
- Publication number
- CN203561433U CN203561433U CN201320777275.7U CN201320777275U CN203561433U CN 203561433 U CN203561433 U CN 203561433U CN 201320777275 U CN201320777275 U CN 201320777275U CN 203561433 U CN203561433 U CN 203561433U
- Authority
- CN
- China
- Prior art keywords
- belt
- scale
- control chip
- plc control
- universal
- 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
Images
Landscapes
- Control Of Conveyors (AREA)
Abstract
Disclosed is a universal-belt-scale simulation test displacement simulation device which includes a weighing sensor, belt velometers and an integrator. The weighing sensor is installed beneath a scale frame of a to-be-detected universal belt scale. The belt velometers are installed beneath a transmission belt at the two sides of the scale body of the belt scale. The integrator is connected with the belt scale body. A liquid-crystal touch screen is arranged on the integrator. A PLC control chip is arranged in the integrator. The liquid-crystal touch screen is connected with the PLC control chip through a connection wire. The PLC control chip is provided with four pulse output ports. An NC port of the PLC control chip is connected with a 24V power supply. A sliding rheostat is arranged between the NC port of the PLC control chip and the 24V power supply. The universal-belt-scale simulation test displacement simulation device is convenient to install and capable of meeting demands of commonly used voltage pulses so that different belt scales can be detected and detection precision is significantly high.
Description
Technical field
The utility model relates to belt scale metering field, particularly a kind of universal belt conveyer scale simulation test shift simulation device.
Background technology
In the checkout procedure of belt conveyer scale, simulation test is a very important test.Simulation test refers to the one test that adopts standard test weight to carry out the test unit of belt conveyer scale in the situation that there is no band conveyor.Complete whole test, the shift simulation device device that is absolutely necessary.The effect of shift simulation device is the pulse signal that mimotope displacement sensor produces, and this signal is flowed to the integrating instrument of belt conveyer scale, completes the weighing to standard test weight in the situation that there is no band conveyor.
At present, substantially all the pulse generating unit that adopts producer oneself to be equipped with when carrying out belt conveyer scale simulation test, when examination of belt weigher, often first by digital frequency meter, its pulse generating unit is measured and examined and determine, after determining that number of pulses that this pulse generating unit sends and frequency are accurately, then belt conveyer scale is carried out to simulation test with this pulse generating unit.Like this, just increased workload when belt conveyer scale is tested and expended the unnecessary time.And if it is inaccurate that the pulse generating unit of producer oneself sends quantity or the frequency of pulse, the check of belt conveyer scale just cannot be carried out.
utility model content
For above problem, the utility model is a kind of universal belt conveyer scale simulation test shift simulation device, this device is easy for installation, in it, PLC contains 4 high-speed pulse output ports, by corresponding instruction, can export the frequency range of 1Hz-100Hz, and be connected with slide rheostat, can change by changing the value of slide rheostat R the voltage of output pulse, make output pulse signal meet the required pulse voltage of belt conveyer scale, therefore can meet the needs of common voltage pulse completely, thereby can detect different belt conveyer scales, and accuracy in detection is high, for reaching this object, the utility model provides a kind of universal belt conveyer scale simulation test shift simulation device, comprise the inductor of weighing, belt speed measuring device and integrator, on the scale frame of universal belt conveyer scale to be measured, there is raw material load, under the scale frame of described universal belt conveyer scale, there is belt scale body, the driving belt of described universal belt conveyer scale is through belt scale body, the described inductor of weighing is arranged on the scale frame below of universal belt conveyer scale to be measured, described belt speed measuring device is arranged on driving belt below, belt scale body both sides, described integrator is connected with belt scale body, on described integrator, there is liquid crystal touch screen, in described integrator, there is PLC control chip, described liquid crystal touch screen is connected with PLC control chip by connecting line, described PLC control chip has 4 pulse output end mouths, the NC port of described PLC control chip connects 24V power supply, between the NC port of described PLC control chip and 24V power supply, there is slide rheostat.
As further improvement of the utility model, described PLC control chip is Omron CP1H cake core, and the PLC of this device adopts Omron CP1H type, and it contains four high-speed pulse output ports, can meet the demand of common voltage pulse completely.
As further improvement of the utility model, described liquid crystal touch screen is nts20 touch-screen, by touch-screen, corresponding output pulse frequency and number of pulses is set.The pulse signal so just can mimotope displacement sensor sending, realizes simulation test.
The utility model is a kind of universal belt conveyer scale simulation test shift simulation device, this device can be directly installed on belt conveyer scale relevant position install very convenient, and its built-in output contact has four pulse output interfaces, by corresponding instruction, can export the frequency range of 1Hz-100Hz, and be connected with slide rheostat, can change by changing the value of slide rheostat R the voltage of output pulse, make output pulse signal meet the required pulse voltage of belt conveyer scale, therefore can meet the needs of common voltage pulse completely, thereby can detect different belt conveyer scales, therefore accuracy in detection is high, in addition the utility model can have liquid crystal touch screen, can set the pulse signal that need to produce required frequency and requirement by liquid crystal touch screen, thereby it is very convenient to set, and can design multiple PLC can select by compatible pulse pattern, so just can meet the required pulse requirement of belt conveyer scale integrating instrument completely, and then contribute to the efficiency of the check that improves belt conveyer scale.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model hardware connection diagram;
Fig. 3 is the utility model operation interface schematic diagram;
Concrete mark is as follows:
1, raw material load; 2, scale frame; 3, the inductor of weighing; 4, driving belt;
5, belt speed measuring device; 6, belt scale body; 7, integrator.
Embodiment
Below in conjunction with drawings and Examples, utility model is described in detail:
The utility model is a kind of universal belt conveyer scale simulation test shift simulation device, this device is easy for installation, in it, PLC contains 4 high-speed pulse output ports, by corresponding instruction, can export the frequency range of 1Hz-100Hz, and be connected with slide rheostat, can change by changing the value of slide rheostat R the voltage of output pulse, make output pulse signal meet the required pulse voltage of belt conveyer scale, therefore can meet the needs of common voltage pulse completely, thereby can detect different belt conveyer scales, and accuracy in detection is high.
As a kind of embodiment of the utility model, the utility model provides the universal belt conveyer scale simulation test of schematic diagram one as shown in Figure 1 shift simulation device, comprise the inductor 3 of weighing, belt speed measuring device 5 and integrator 7, on the scale frame 2 of universal belt conveyer scale to be measured, there is raw material load 1, the scale frame of described universal belt conveyer scale has belt scale body 62 times, the driving belt 4 of described universal belt conveyer scale is through belt scale body 6, the described inductor 3 of weighing is arranged on scale frame 2 belows of universal belt conveyer scale to be measured, described belt speed measuring device 5 is arranged on belt scale body 6 both sides driving belt 4 belows, described integrator 7 is connected with belt scale body 6, on described integrator 7, there is liquid crystal touch screen, described liquid crystal touch screen is nts20 touch-screen, in described integrator 7, there is PLC control chip, described PLC control chip is Omron CP1H cake core, described liquid crystal touch screen is connected with PLC control chip by connecting line, described PLC control chip has 4 pulse output end mouths, the NC port of described PLC control chip connects 24V power supply, between the NC port of described PLC control chip and 24V power supply, there is slide rheostat.
The PLC of this device adopts Omron CP1H type, and it contains four high-speed pulse output ports, can meet the demand of common voltage pulse completely.Touch-screen is used Omron nts20 type, by touch-screen, corresponding output pulse frequency and number of pulses is set.The pulse signal so just can mimotope displacement sensor sending, realizes simulation test.
Because CP1H can send the pulse output signals of fixed duty cycle from the built-in output of CPU, in its built-in output contact, there are four pulse output interfaces: pulse output 0,1,2,3.By instruction control, it can export the frequency range of 1Hz～100kHz, and therefore the quantity of output pulse can be set, and when output number of pulses is when reaching setting value, automatically stops, thereby can meet the needs of belt conveyer scale simulation displacement completely.
As shown in Figure 2, touch-screen nts20 is connected with Omron CP1H hardware connection diagram of the present invention.Utilize Omron CP1H 100.00 ~ 100.07 as pulse output end mouth.100.00～100.01 is output port 0, and wherein 100.00 is output pulse, 100.01 directions for output pulse.Other ports in like manner.NC is the voltage of output pulse, can change by changing the value of slide rheostat R the voltage of output pulse, makes output pulse signal meet the required pulse voltage of belt conveyer scale.
In addition the operation interface of touch-screen nts20 of the present invention can be as shown in Figure 2, before starting transmitted, first by interface, determine frequency and the number of pulses of pulse, selection will be exported the port of pulse, then selected port is connected with pulse input end mouth on belt conveyer scale, then directly click start button, simple, easy to operate.Can be used as pulse generating unit in examination of belt weigher simulated experiment and use, and be applicable to polytype pulse signal.
The above; it is only preferred embodiment of the present utility model; be not the restriction of the utility model being made to any other form, and according to any modification or equivalent variations that technical spirit of the present utility model is done, still belong to the utility model scope required for protection.
Claims (3)
1. a universal belt conveyer scale simulation test shift simulation device, comprise the inductor of weighing (3), belt speed measuring device (5) and integrator (7), on the scale frame (2) of universal belt conveyer scale to be measured, there is raw material load (1), under the scale frame (2) of described universal belt conveyer scale, there is belt scale body (6), the driving belt (4) of described universal belt conveyer scale is through belt scale body (6), it is characterized in that: described in the inductor (3) of weighing be arranged on scale frame (2) below of universal belt conveyer scale to be measured, described belt speed measuring device (5) is arranged on belt scale body (6) both sides driving belts (4) below, described integrator (7) is connected with belt scale body (6), described integrator has liquid crystal touch screen on (7), described integrator has PLC control chip in (7), described liquid crystal touch screen is connected with PLC control chip by connecting line, described PLC control chip has 4 pulse output end mouths, the NC port of described PLC control chip connects 24V power supply, between the NC port of described PLC control chip and 24V power supply, there is slide rheostat.
2. the universal belt conveyer scale simulation test of one according to claim 1 shift simulation device, is characterized in that: described PLC control chip is Omron CP1H cake core.
3. the universal belt conveyer scale simulation test of one according to claim 1 shift simulation device, is characterized in that: described liquid crystal touch screen is nts20 touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777275.7U CN203561433U (en) | 2013-12-02 | 2013-12-02 | Universal-belt-scale simulation test displacement simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320777275.7U CN203561433U (en) | 2013-12-02 | 2013-12-02 | Universal-belt-scale simulation test displacement simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561433U true CN203561433U (en) | 2014-04-23 |
Family
ID=50511148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320777275.7U Expired - Fee Related CN203561433U (en) | 2013-12-02 | 2013-12-02 | Universal-belt-scale simulation test displacement simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203561433U (en) |
-
2013
- 2013-12-02 CN CN201320777275.7U patent/CN203561433U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202547738U (en) | Automatic high-performance flow calibration system | |
| CN203376654U (en) | Mixing equipment concrete outlet temperature control system | |
| CN203224283U (en) | Liquid flow field calibration device | |
| CN104931155B (en) | The self-checking device and method of temperature transmitter | |
| CN204594593U (en) | Multi-channel temperature measurement system | |
| CN203561433U (en) | Universal-belt-scale simulation test displacement simulation device | |
| CN202562533U (en) | A gas flow measuring device metering from zero | |
| CN201378072Y (en) | Wire on-line weighing machine | |
| CN103389138A (en) | Weighing type liquid level meter system based on MSP430 (Mixed Signal Processor 430) single chip microcomputer | |
| CN204963967U (en) | Intelligent belt formula material monitoring devices that weighs | |
| CN102749119B (en) | Liquid volume metering method and continuous metering method | |
| CN201897441U (en) | Electronic display scale | |
| CN104373273A (en) | Mass type intelligent oil-gauging device for fuel injection pump testbed | |
| CN202974355U (en) | Ultrasonic flow measurement device | |
| CN102889915A (en) | Flowmeter and calorimeter asynchronous metering and detecting method and flowmeter and calorimeter asynchronous metering and detecting system based on communication | |
| CN202885795U (en) | High-precision displacement measuring instrument | |
| CN202453137U (en) | Digital differential pressure transmitter | |
| CN203177752U (en) | Microcomputer type steel tape calibrating device | |
| CN202814838U (en) | Liquid viscosity coefficient determinator | |
| CN203163823U (en) | Liquid level transmitter for liquefied natural gas | |
| CN203964961U (en) | A kind of portable flow metering device | |
| CN206710358U (en) | A kind of high-precision intelligent sand humidity TT＆C system | |
| CN201569870U (en) | Electronic stopwatch | |
| CN203349907U (en) | Dynamic zero point belt weigher | |
| CN104316890B (en) | Voltage, electric current precision metering device and delicate metering method based on satellite navigation system |
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: 20140423 Termination date: 20161202 |