CN206671486U - Truck chopper gate-drive board test device - Google Patents
Truck chopper gate-drive board test device Download PDFInfo
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- CN206671486U CN206671486U CN201720370469.3U CN201720370469U CN206671486U CN 206671486 U CN206671486 U CN 206671486U CN 201720370469 U CN201720370469 U CN 201720370469U CN 206671486 U CN206671486 U CN 206671486U
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Abstract
The utility model provides a kind of truck chopper gate-drive board test device, including：Test level module, its level output end electrically connect with the level input of chopper gate-drive plate；Level detection module, its level detection end electrically connects with the level output end of chopper gate-drive plate, for detecting the level signal of chopper gate-drive plate output, when the level signal amplitude of chopper gate-drive plate output is normal amplitude, output level detection signal；Level detection indicating module, its input electrically connect with the output end of level detection module, and when receiving the level detection signal, output characterizes chopper gate-drive plate high input voltage output par, c level indicating signal working properly；Power module, electrically connected with the power end of chopper gate-drive plate, operating voltage is provided for chopper gate-drive plate.By above-mentioned test device, tester can complete the test to chopper gate-drive plate high input voltage output par, c indoors.
Description
Technical field
It the utility model is related to truck chopper gate-drive plate correlative technology field, more particularly to a kind of truck chopper
Gate-drive board test device.
Background technology
MT5500 trucies are the conventional haulage trucks of current domestic open pit quarry, and the truck is equipped with chopper, by voltage
The fixed direct current of value is converted to the direct current of variable values.The chopper includes a gate-drive plate, for driving
IGBT (Insulated Gate Bipolar Trans istor, insulated gate bipolar transistor) in chopper.In truck
During use, if chopper gate-drive plate breaks down, need that chopper gate-drive plate is changed and repaired,
It is domestic temporarily without being used to test chopper gate-drive plate and standby chopper gate-drive plate is using preceding needing to test its quality
Device or equipment.At present, it is that standby chopper gate-drive plate is directly installed in truck to test it, but on
When car is tested, the voltage of connection chopper gate-drive plate input is bigger, short circuit accident occurs when test, no
The miscellaneous part of MT5500 trucies can be only influenceed, also threatens the personal safety of tester.
The content of the invention
The utility model aims to solve the problem that chopper gate-drive plate is arranged in truck in the prior art and test easily
The problem of causing security incident.To solve the above problems, the utility model provides a kind of truck chopper gate-drive board test
Device, including：
Test level module, its level output end electrically connect with the level input of the chopper gate-drive plate, are
The chopper gate-drive plate provides the test level signal more than first threshold；
Level detection module, its level detection end electrically connect with the level output end of the chopper gate-drive plate, use
In the level signal that the detection chopper gate-drive plate response test level signal is exported, when the chopper door
When the level signal amplitude of pole driving plate output is normal amplitude, output level detection signal；
Level detection indicating module, its input electrically connects with the output end of the level detection module, when receiving
When stating level detection signal, output characterizes chopper gate-drive plate high input voltage output par, c level working properly and referred to
Show signal；
Power module, electrically connected with the power end of the chopper gate-drive plate, be the chopper gate-drive plate
Operating voltage is provided；
The test level module, power end of its level output end also with the level detection module electrically connect, for institute
State level detection module and operating voltage is provided.
Further, in above-mentioned truck chopper gate-drive board test device, the test level module includes first
Transformer, the first rectifier bridge and the first filter capacitor；
The input of first transformer electrically connects with city, and its output end and the input of first rectifier bridge are electrically connected
Connect；
The positive terminal of first filter capacitor electrically connects with the cathode output end of first rectifier bridge, its negative pole end with
The cathode output end electrical connection of first rectifier bridge；
The output end of first rectifier bridge is the level output end of the test level module.
Further, in above-mentioned truck chopper gate-drive board test device, the test level module also includes electricity
Position device；
The potentiometer is series between the level input of first rectifier bridge and the chopper gate-drive plate, is used
In the amplitude for adjusting the test level signal；
When the amplitude of the test level signal is less than Second Threshold and the level detection indicating module not output level
During indication signal, the chopper gate-drive plate low pressure input/output section is working properly.
Further, in above-mentioned truck chopper gate-drive board test device, the test level module also includes：
Voltmeter, electrically connected with the level input of the chopper gate-drive plate, for detecting the test level
The amplitude of signal.
Further, in above-mentioned truck chopper gate-drive board test device, the level detection module includes crystal
Pipe；
Cathode power supply end and the test level module of the colelctor electrode of the transistor as the level detection module
Positive pole level output end electrical connection；
Negative electricity source and the test level module of the emitter stage of the transistor as the level detection module
Negative pole level output end electrical connection；
First level detection end and the chopper gate pole of the gate pole of the transistor as the level detection module
The first level output end electrical connection of driving plate；
Second electrical level test side and the chopper door of the emitter stage of the transistor as the level detection module
The second electrical level output end electrical connection of pole driving plate；
When the level signal that the first level output end and second electrical level output end of the chopper gate-drive plate export
When amplitude is normal amplitude, the transistor turns, its emitter stage exports electricity as the output end of the level detection module
Flat detection signal.
Further, in above-mentioned truck chopper gate-drive board test device, the level detection indicating module includes
Light emitting diode；
Input and the level detection module of the positive terminal of the light emitting diode as level detection indicating module
Output end electrical connection, after the level detection signal that the level detection module is sent is received, the light emitting diode hair
Light is normal to characterize the chopper gate-drive plate high input voltage output par, c.
Further, in above-mentioned truck chopper gate-drive board test device, the power module includes the second transformation
Device, the second rectifier bridge and the second filter capacitor；
The input of second transformer electrically connects with city, and its output end and the input of second rectifier bridge are electrically connected
Connect；
The positive terminal of second filter capacitor electrically connects with the cathode output end of second rectifier bridge, its negative pole end with
The cathode output end electrical connection of second rectifier bridge；
The output end of second rectifier bridge electrically connects with the power end of the chopper gate-drive plate, is the copped wave
Device gate-drive plate provides operating voltage.
Further, in above-mentioned truck chopper gate-drive board test device, the power module also includes voltage-stabiliser tube；
The input of the voltage-stabiliser tube electrically connects with the output end of second rectifier bridge, its output end and the chopper
The power end electrical connection of gate-drive plate, stablize the operating voltage of the chopper gate-drive plate.
In truck chopper gate-drive board test device described in the utility model, the test level module output is more than
The test level signal of first threshold, after the level input of the chopper gate-drive plate receives test level signal,
Outputs level signals, the level detection module detects the level signal, when the amplitude of the level signal is normal amplitude,
The level detection module output level detection signal, after level detection indicating module receives level detection signal, export table
Levy chopper gate-drive plate high input voltage output par, c level indicating signal working properly.Filled by above-mentioned test
Put, tester can complete the test to chopper gate-drive plate high input voltage output par, c indoors, without by copped wave
Device gate-drive plate, which is installed in truck, to be tested, and facilitates tester and chopper gate-drive plate is tested；And
Its working power is transformed by civil power, by the protection device of civil power, can effectively reduce the dangerous thing caused by short circuit
Therefore.
Brief description of the drawings
Fig. 1 is the structure principle chart of truck chopper gate-drive board test device described in the utility model embodiment.
Fig. 2 is the circuit theory diagrams of truck chopper gate-drive board test device described in the utility model embodiment.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing.
As shown in figure 1, be the structure principle chart of the truck chopper gate-drive board test device described in the present embodiment, bag
Include test level module 1, level detection module 2, level detection indicating module 3 and power module 4.Wherein, the test level
Module 1 provides the test level signal more than first threshold, its level output end and chopper door for chopper gate-drive plate
The level input electrical connection of pole driving plate；The level detection module 2 is used to detect the chopper gate-drive plate response
The level signal that the test level signal is exported, its level detection end and the level of the chopper gate-drive plate export
End electrical connection, when the level signal amplitude of chopper gate-drive plate output is normal amplitude, the level detection mould
The output level detection signal of block 2；The input of the level detection indicating module 3 and the output end of the level detection module 2
Electrical connection, when receiving the level detection signal, the output of level detection indicating module 3 characterizes the chopper gate pole
Driving plate high input voltage output par, c level indicating signal working properly；Power module 4 and the chopper gate-drive plate
Power end electrical connection, provide operating voltage for the chopper gate-drive plate；The test level module 1, its level are defeated
Go out power end of the end also with the level detection module 2 to electrically connect, operating voltage is provided for the level detection module 2.
In test device described in above-described embodiment, test electricity of the output of test level module 1 more than first threshold
Ordinary mail number, the first threshold is related to chopper door machine driving plate, such as 1575V.The electricity of the chopper gate-drive plate
After flat input receives the test level signal more than first threshold, outputs level signals, the level detection module 2 detects
The level signal, when the amplitude of the level signal is normal amplitude, output level detection signal, level detection indicating module
After 3 receive level detection signal, it is working properly that output characterizes the chopper gate-drive plate high input voltage output par, c
Level indicating signal.By above-mentioned test device, tester can complete defeated to chopper gate-drive plate high pressure indoors
Enter the test of output par, c, tested without chopper gate-drive plate is installed in truck, facilitate tester couple
Chopper gate-drive plate is tested；And its working power is transformed by civil power, by the protection device of civil power, can have
Effect reduces the peril caused by short circuit.
Specifically, as shown in Fig. 2 the test level module 1 includes the first transformer L1, the first rectifier bridge VD1 and filter
Ripple electric capacity C1, filter capacitor C2, filter capacitor C3, filter capacitor C4.The input of the first transformer L1 electrically connects with city,
Its object is to which 220V civil power to be changed into the exchange electricity output higher than 1575V, the alternating current higher than 1575V specifically may be used
1600V or 1700V alternating current etc. is selected, the first transformer L1 output ends electrically connect with the input of the first rectifier bridge VD1,
The progress full-wave rectification of the alternating current higher than 1575V that the first transformer L1 is exported, formation impulse waveform, and the filtered electrical
Hold C1, filter capacitor C2, filter capacitor C3 and filter capacitor C4 positive terminal and the cathode output end of the first rectifier bridge VD1
Electrical connection, negative pole end electrically connect with the cathode output end of the first rectifier bridge VD1, impulse waveform electric capacity C1, filter after filtering
After ripple electric capacity C2, filter capacitor C3 and filter capacitor C4 filtering, direct current of the output higher than 1575V.Wherein, described first is whole
The output end for flowing bridge VD1 is the level output end of the test level module 1, and output is higher than 1575V direct current, as copped wave
Device gate-drive plate IC1 test level signal, level input E1 and level input with chopper gate-drive plate IC1
E2 is electrically connected, meanwhile, the power supply of the direct current higher than 1575V of output also as level detection module 2, is level detection module
2 provide operating voltage.
In addition, the test level module 1 also includes potentiometer R1.As shown in Fig. 2 the potentiometer R1 be series at it is described
Between first rectifier bridge VD1 and the chopper gate-drive plate IC1 level input, by the electricity for adjusting potentiometer R1
Resistance, it can adjust the amplitude of the test level signal；When the amplitude of the test level signal is less than Second Threshold and the electricity
Flat detection indicating module 3 not output level indication signal when, the chopper gate-drive plate IC1 low pressure input and output portion division of labor
Make normal.Wherein, the Second Threshold can be 1475V, or other according to chopper gate-drive plate IC1 model determine
Concrete numerical value.By above-mentioned test device, tester can complete to input chopper gate-drive plate IC1 low pressure indoors
The test of output par, c, tested without chopper gate-drive plate IC1 is installed in truck, facilitate tester couple
Chopper gate-drive plate IC1 is tested；And its working power is transformed by civil power, by the protection device of civil power,
The peril caused by short circuit can effectively be reduced.
The amplitude of test level signal is determined for ease of staff, above-mentioned test device also includes voltmeter V.Such as Fig. 2
Shown, voltmeter V test lead electrically connects with the level input of the chopper gate-drive plate IC1, described for detecting
The amplitude of test level signal, staff can indicate mould by the magnitude of voltage combination level detection for the display for checking voltmeter V
Block 3 come judge chopper gate-drive plate IC1 whether normal work.
Specifically, in above-mentioned test device, level detection module 2 includes transistor Q1.As shown in Fig. 2 the crystal
Pipe Q1 colelctor electrode is defeated as the cathode power supply end of the level detection module 2 and the positive pole level of the test level module 1
Go out end electrical connection；Negative electricity source and the test electricity of the emitter stage of the transistor Q1 as the level detection module 2
The negative pole level output end electrical connection of flat-die block 1；First electricity of the gate pole of the transistor Q1 as the level detection module 2
Flat test side electrically connects with the first level output end G of the chopper gate-drive plate IC1；The emitter stage of the transistor Q1
Exported as the second electrical level test side of the level detection module 2 and the second electrical level of the chopper gate-drive plate IC1
Hold E electrical connections；When the electricity that the first level output end G and second electrical level output end E of the chopper gate-drive plate IC1 are exported
When flat signal amplitude is normal amplitude, the transistor Q1 conductings, output of its emitter stage as the level detection module 2
Hold output level detection signal.Wherein, when test level signal is higher than 1575V, the first level output end G exports width
It is worth the voltage for 15V, when test level signal is less than 1475V, the first level output end G output amplitudes are -15V's
Voltage, and during the second electrical level output end E normal works, output amplitude is 0V voltage.
Level detection indicating module 3 includes light emitting diode D2, as shown in Fig. 2 the positive terminal of the light emitting diode D2
Input as level detection indicating module 3 electrically connects with the output end of the level detection module 2, when receiving the electricity
After the level detection signal that flat detection module 2 is sent, the light emitting diode D2 lights to characterize the chopper gate-drive
Plate IC1 high input voltage output par, cs are normal.
Power module 4 includes the second transformer L2, the second rectifier bridge and the second filter capacitor C5, the second filter capacitor C6.
As shown in Fig. 2 the input of the second transformer L2 electrically connects with city, its output end is defeated with the second rectifier bridge VD2's
Enter end electrical connection；The second filter capacitor C5, the second filter capacitor C6 positive terminal and the second rectifier bridge VD2 positive pole
Output end electrically connects, and its negative pole end electrically connects with the cathode output end of the second rectifier bridge VD2；The second rectifier bridge VD2
Output end electrically connected with the power end of the chopper gate-drive plate IC1, provided for the chopper gate-drive plate IC1
Operating voltage.The operation principle of above-mentioned power module 4 is similar with the operation principle of test level module 1, will not be repeated here.For
The output voltage of further stabilized power source module 4, the power module 4 also include voltage-stabiliser tube IC2.The voltage-stabiliser tube IC2's is defeated
Enter end to electrically connect with the output end of the second rectifier bridge VD2, its output end and the power supply of the chopper gate-drive plate IC1
TB1 and power end TB2 electrical connections are held, stablize the operating voltage of the chopper gate-drive plate IC1.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (8)
- A kind of 1. truck chopper gate-drive board test device, it is characterised in that including：Test level module, its level output end electrically connect with the level input of the chopper gate-drive plate, are described Chopper gate-drive plate provides the test level signal more than first threshold；Level detection module, its level detection end electrically connects with the level output end of the chopper gate-drive plate, for examining Survey the chopper gate-drive plate and respond the level signal that the test level signal is exported, when the chopper gate pole drives When the level signal amplitude of dynamic plate output is normal amplitude, output level detection signal；Level detection indicating module, its input electrically connect with the output end of the level detection module, when receiving the electricity During flat detection signal, output characterizes chopper gate-drive plate high input voltage output par, c level indicating letter working properly Number；Power module, electrically connect with the power end of the chopper gate-drive plate, provided for the chopper gate-drive plate Operating voltage；The test level module, power end of its level output end also with the level detection module electrically connect, and are the electricity Flat detection module provides operating voltage.
- 2. truck chopper gate-drive board test device according to claim 1, it is characterised in that the test level Module includes the first transformer, the first rectifier bridge and the first filter capacitor；The input of first transformer electrically connects with city, and its output end electrically connects with the input of first rectifier bridge；The positive terminal of first filter capacitor electrically connects with the cathode output end of first rectifier bridge, its negative pole end with it is described The cathode output end electrical connection of first rectifier bridge；The output end of first rectifier bridge is the level output end of the test level module.
- 3. truck chopper gate-drive board test device according to claim 2, it is characterised in that the test level Module also includes potentiometer；The potentiometer is series between the level input of first rectifier bridge and the chopper gate-drive plate, is used for Adjust the amplitude of the test level signal；When the amplitude of the test level signal is less than Second Threshold and the level detection indicating module not output level instruction During signal, the chopper gate-drive plate low pressure input/output section is working properly.
- 4. truck chopper gate-drive board test device according to claim 3, it is characterised in that the test level Module also includes：Voltmeter, electrically connected with the level input of the chopper gate-drive plate, for detecting the test level signal Amplitude.
- 5. according to any described truck chopper gate-drive board test devices of claim 1-4, it is characterised in that the electricity Flat detection module includes transistor；The colelctor electrode of the transistor as the level detection module cathode power supply end and the test level module just Pole level output end electrical connection；The emitter stage of the transistor is as the negative electricity source of the level detection module and bearing for the test level module Pole level output end electrical connection；First level detection end and the chopper gate-drive of the gate pole of the transistor as the level detection module The first level output end electrical connection of plate；The emitter stage of the transistor while also the second electrical level test side as the level detection module and the chopper The second electrical level output end electrical connection of gate-drive plate；When the level signal amplitude that the first level output end and second electrical level output end of the chopper gate-drive plate export When being normal amplitude, the transistor turns, its emitter stage is examined as the output end output level of the level detection module Survey signal.
- 6. truck chopper gate-drive board test device according to claim 5, it is characterised in that the level detection Indicating module includes light emitting diode；The positive terminal of the light emitting diode is defeated as input and the level detection module of level detection indicating module Go out end electrical connection, after the level detection signal that the level detection module is sent is received, the lumination of light emitting diode with It is normal to characterize the chopper gate-drive plate high input voltage output par, c.
- 7. truck chopper gate-drive board test device according to claim 6, it is characterised in that the power module Including the second transformer, the second rectifier bridge and the second filter capacitor；The input of second transformer electrically connects with city, and its output end electrically connects with the input of second rectifier bridge；The positive terminal of second filter capacitor electrically connects with the cathode output end of second rectifier bridge, its negative pole end with it is described The cathode output end electrical connection of second rectifier bridge；The output end of second rectifier bridge electrically connects with the power end of the chopper gate-drive plate, is the chopper door Pole driving plate provides operating voltage.
- 8. truck chopper gate-drive board test device according to claim 7, it is characterised in that the power module Also include voltage-stabiliser tube；The input of the voltage-stabiliser tube electrically connects with the output end of second rectifier bridge, its output end and the chopper gate pole The power end electrical connection of driving plate, stablize the operating voltage of the chopper gate-drive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720370469.3U CN206671486U (en) | 2017-04-11 | 2017-04-11 | Truck chopper gate-drive board test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720370469.3U CN206671486U (en) | 2017-04-11 | 2017-04-11 | Truck chopper gate-drive board test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671486U true CN206671486U (en) | 2017-11-24 |
Family
ID=60380607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720370469.3U Active CN206671486U (en) | 2017-04-11 | 2017-04-11 | Truck chopper gate-drive board test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671486U (en) |
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2017
- 2017-04-11 CN CN201720370469.3U patent/CN206671486U/en active Active
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