CN207703949U - A kind of multi-purpose frequency conversion automatic system tester - Google Patents
A kind of multi-purpose frequency conversion automatic system tester Download PDFInfo
- Publication number
- CN207703949U CN207703949U CN201720713913.7U CN201720713913U CN207703949U CN 207703949 U CN207703949 U CN 207703949U CN 201720713913 U CN201720713913 U CN 201720713913U CN 207703949 U CN207703949 U CN 207703949U
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- China
- Prior art keywords
- frequency conversion
- current
- conversion automatic
- automatic system
- signal generator
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Abstract
The utility model discloses a kind of multi-purpose frequency conversion automatic system testers, belong to electronic field.The multi-purpose frequency conversion automatic system tester includes current measurement module and signal generator module；Current measurement module is used in the given value of current terminal series-shunt with frequency converter, measures the DC current of given value of current terminal；Signal generator module is connected with the input circuit of PID regulator measured value.The utility model solves the problems, such as that test frequency conversion automatic control system running parameter is less efficient, improves measurement and debugs the efficiency of frequency conversion automatic control system running parameter.Measurement and debugging of the utility model for the running parameter of frequency conversion automatic control system.
Description
Technical field
The utility model is related to electronic field, more particularly to a kind of multi-purpose frequency conversion automatic system tester.
Background technology
Frequency conversion automatic system includes PID controller, DC power supplier, pressure transmitter (or other sensors) and frequency conversion
Device.
If frequency conversion automatic system breaks down in the process of work, the measuring instrument pair using frequency conversion automatic system is needed
The running parameter of frequency conversion automatic system measures, and then automatic to frequency conversion according to the running parameter of frequency conversion system by staff
System carries out fault diagnosis.In the related technology, the measuring instrument of frequency conversion system is multimeter, in use multimeter to frequency conversion system
It when running parameter measures, needs to adjust multimeter to DC current measurement pattern, measures pressure transmitter (or other biographies
Sensor) arrive controller electric current；Then the DC current on Mersure Controler to inverter current terminal again；Staff's root again
According to frequency conversion system running parameter to frequency conversion system carry out fault diagnosis when, staff can according to pressure transmitter (or its
Its sensor) to the electric current of controller, judge whether input circuit breaks down；According on controller to inverter current terminal
DC current, judge whether frequency converter breaks down.
Due in the related technology, when being measured to the running parameter of frequency conversion automatic system using multimeter, needing work
Make personnel gradually to adjust multimeter to DC current measurement pattern, DC voltage measurement pattern, and the 4-20 that sensor provides
Milliampere unadjustable, therefore, the step of measuring frequency conversion automatic system running parameter, is cumbersome, and multimeter gear is more, converts shelves
Error easy to operate when position measures the less efficient of frequency conversion system running parameter, and existing signal generator cannot also give
Direct current signal measures the DC current in interlock circuit simultaneously.
Utility model content
In order to solve the problems, such as to measure the less efficient of frequency conversion automatic system running parameter, the utility model provides one kind
Multi-purpose frequency conversion automatic system tester.The technical solution is as follows：
A kind of tester of multi-purpose frequency conversion system, the frequency conversion automatic system includes current measurement module and signal generator
Module, current measurement module are used in the given value of current terminal series-shunt with frequency converter, measure the direct current of given value of current terminal
Stream；Signal generator module is connected with the input circuit of PID regulator measured value.
The current measurement module is used for when connecting with the input circuit, is measured arbitrary straight in the input circuit
Galvanic electricity stream；
The signal generator module is used for when being connect with the input circuit, is adjusted and is given in the input circuit
DC current.
The current measurement module is made of auxiliary circuit and liquid crystal ammeter, and the range of DC ammeter is 50 milliamperes；
The signal generator module is made of auxiliary circuit and liquid crystal ammeter and 4-20 milliamperes of generators.
In conclusion the utility model provides a kind of multi-purpose frequency conversion automatic system tester, signal generator module with
The input circuit of PID regulator measured value connects, and adjusts the DC current in PID input circuits；Current module and frequency converter
Current terminal connects, the given DC current of Measurement for Inverter speed governing, the problem of not necessarily considering whether total ground, so, it can be with
Directly use running parameter of the multi-purpose frequency conversion automatic system tester that the utility model embodiment provides to frequency conversion automatic system
It measures and debugs, simplify the step of measuring frequency conversion automatic system running parameter, improve disposition frequency conversion automatic system
Efficiency.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.
Fig. 1 is a kind of structural schematic diagram for multi-purpose frequency conversion automatic system tester that the utility model embodiment provides；
Fig. 2 is a kind of operation principle signal for multi-purpose frequency conversion automatic system tester that the utility model embodiment provides
Figure；
Fig. 3 is a kind of wiring schematic diagram for multi-purpose frequency conversion automatic system tester that the utility model embodiment provides.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
As shown in Figure 1, the utility model embodiment provides a kind of multi-purpose frequency conversion automatic system tester.The frequency conversion system
Tester include：Watchcase 01, current measurement part 02 and signal generator part 03, current measurement part 02 and signal occur
Device part 03 is located inside watchcase 01, and current measurement part 02 includes：Three and half liquid crystal DC ammeters 021, quick aviation are inserted
First 023 and power switch 022 and auxiliary circuit part；Signal generator part 03 includes signal generator and three liquid crystal watches
031, power switch 032, quick aviation plug 033, potentiometer 036 and voltage and current output selector switch 037.
DC ammeter 021 is used to, when inverter current terminal input circuit is connected using quick aviation plug 023, survey
Measure frequency converter current terminal speed governing DC current；Three liquid crystal watches 031 are used to detect given inverter current terminal or PID is defeated
The 4-20ma current signals entered, potentiometer 034 are connected for adjusting size of current, quick aviation plug 033 for interlock circuit.
There are two jacks for setting at the top of watchcase, which is current measurement jack and 4-20ma (2-10v) jack.
The multi-purpose frequency conversion automatic system tester further includes four p-wires, four wire clamps, two test plugs, the test
Line includes：One end of two testing current lines, each p-wire connects two wire clamps, and the other end connects a test plug；Electricity
Respectively connection one two (at prime negative black) wire clamp, the other end connect jack 023, electric current letter for one end of current test line 024 and 025
Respectively connection two (at prime negative black) wire clamps, the other end connect jack 033 for one end of number line 034 and 035.
In conclusion in the multi-purpose frequency conversion automatic system tester provided due to the utility model embodiment, the electric current
Measurement module is used for when connecting with the input circuit, measures the DC current in the input circuit；The signal occurs
Device is used for when being connect with the input circuit, and the DC current given in the input circuit is adjusted.So can be direct
The multi-purpose frequency conversion automatic system tester provided using the utility model embodiment carries out the running parameter of frequency conversion automatic system
It measures, simplifies the step of measuring frequency conversion automatic system running parameter, improve the effect for measuring frequency conversion automatic system running parameter
Rate.
As shown in Fig. 2, a kind of work original of the multi-purpose frequency conversion automatic system tester provided for the utility model embodiment
Manage schematic diagram.
Mainly be made of two large divisions, current measurement module and signal generator module, current measurement module be used for
When the given value of current terminal series-shunt of frequency converter, the DC current of given value of current terminal is measured；Signal generator is used to adjust with PID
The input circuit of device measured value is connected or is connect with inverter current input terminal.It should be noted that signal generator part
03 includes signal generating circuit and three liquid crystal watches 031, power switch 032, quick aviation plug 033, potentiometer 036 and electric current
Voltage signal selecting switch 037.
Optionally, 500 Ohmic resistances, which are inscribed, in signal generator part 03 can export 2-10 volt DC voltages,
Specifically, DC ammeter 021 and 031 is liquid crystal ammeter in the utility model embodiment, so this practicality is new
Ammeter 021 and 031 in type embodiment can use under the environment (such as night) of dark, i.e. the utility model
The tester for the frequency conversion system that embodiment provides can use in the environment of dark, and the range of DC ammeter 021 is
50 milliamperes；The range of DC ammeter 031 is 50 milliamperes.
Jack there are two being also set up on watchcase 01, respectively：Current measurement jack and 4-20ma (2-10v) output plughole.
The multi-purpose frequency conversion automatic system tester further includes four p-wires, four wire clamps, two test plugs, multiple
P-wire includes：One end of two pairs of testing current lines, each pair of p-wire connects two wire clamps, and the other end connects a test and inserts
Head.
Testing current line 024 connects a wire clamp (black negative and red just) with 025 one end, and the other end connects a jack
023；Respectively connection one (red just black negative) wire clamp, the other end connect aviation jack 033 for one end of current signal line 034 and 035.
As shown in figure 3, when frequency conversion robot control system(RCS) cisco unity malfunction, the utility model embodiment can be used to provide
Multi-purpose frequency conversion automatic system tester tests the running parameter of the system, and then carries out failure to the system by staff and examine
It is disconnected.Can the positive and negative wire clamp of this tester signal generator be connected to PID controller measured values respectively first and input 35 and 36 ends
Sub (by taking Fuji PXR9 as an example), former connecting line is removed；The wire clamp of current measurement module seals in inverter current and gives circuit, also
It is to say that 32 terminal lines need to be disconnected, positive wire clamp, which is connected to frequency converter, to be carried out line (former 32# lines) cathode wire clamp and be connected to 32# terminals.
Exemplary, in constant pressure water supply automatic control system, frequency converter not raising speed is provided using the utility model embodiment
When multi-purpose frequency conversion automatic system tester is tested, if the frequency converter that current measurement is tested is inputted to constant current as 4 millis
Peace, Regulate signal generator potential device clockwise, current measurement value do not change, it can be determined that and PID controller is damaged, if there is
Variation may be pressure transmitter damage.
In conclusion due in the tester of the frequency conversion automatic system of the utility model embodiment offer, current measurement mould
Block is used in the given value of current terminal series-shunt with frequency converter, measures the DC current of given value of current terminal；Signal generator mould
Block is connected with the input circuit of PID regulator measured value..So directly the utility model embodiment can be used to provide
The tester of frequency conversion automatic system is measured and is debugged to the running parameter of frequency conversion system, simplifies test frequency conversion system work
The step of parameter, improves the efficiency of disposition frequency conversion automatic system work.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (2)
1. a kind of multi-purpose frequency conversion automatic system tester, which is characterized in that the frequency conversion automatic system tester includes that electric current is surveyed
Module and signal generator module are measured, current measurement module is used in the given value of current terminal series-shunt with frequency converter, measures electricity
Stream gives the DC current of terminal；Signal generator module is connected with the input circuit of PID regulator measured value；
The current measurement module is used for when connecting with the input circuit, measures the DC current in the input circuit；
The signal generator module is used for when being connect with the input circuit, is adjusted straight in the given input circuit
Galvanic electricity stream.
2. a kind of multi-purpose frequency conversion automatic system tester according to claim 1, which is characterized in that
The current measurement module is made of auxiliary circuit and liquid crystal ammeter, and the range of DC ammeter is 50 milliamperes；
The signal generator module is made of 4-20 milliamperes of generators and auxiliary circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720713913.7U CN207703949U (en) | 2017-06-19 | 2017-06-19 | A kind of multi-purpose frequency conversion automatic system tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720713913.7U CN207703949U (en) | 2017-06-19 | 2017-06-19 | A kind of multi-purpose frequency conversion automatic system tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703949U true CN207703949U (en) | 2018-08-07 |
Family
ID=63020416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720713913.7U Expired - Fee Related CN207703949U (en) | 2017-06-19 | 2017-06-19 | A kind of multi-purpose frequency conversion automatic system tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133337A (en) * | 2019-05-16 | 2019-08-16 | 中国一冶集团有限公司 | A kind of signal imitation device and adjustment method for instrument debugging |
-
2017
- 2017-06-19 CN CN201720713913.7U patent/CN207703949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133337A (en) * | 2019-05-16 | 2019-08-16 | 中国一冶集团有限公司 | A kind of signal imitation device and adjustment method for instrument debugging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20190619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |