CN206057503U - A kind of dsp board simulation testing module - Google Patents
A kind of dsp board simulation testing module Download PDFInfo
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- CN206057503U CN206057503U CN201621034361.9U CN201621034361U CN206057503U CN 206057503 U CN206057503 U CN 206057503U CN 201621034361 U CN201621034361 U CN 201621034361U CN 206057503 U CN206057503 U CN 206057503U
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Abstract
The utility model discloses a kind of dsp board simulation testing module.The module includes：The double network interface modules of power module, current/voltage detection module, key indicator lamp module, double-serial port and dsp board；One end of the power module connects one end of the current/voltage detection module, the other end connection dsp board of the current/voltage detection module；One end of the power module connects one end of the key indicator lamp module, and the other end of the key indicator lamp module connects the dsp board；One end of the power module connects one end of the double network interface modules of the double-serial port, and the other end of the double network interface modules of the double-serial port connects the dsp board.Whether this utility model can simulate dsp board IO input and output by simulation test frock normal etc.；Different dsp boards can be tested in a simulation test frock；Simulation test tool circuit is simple and direct, and electric elements easily seek purchase, and cost performance is high；The body pole of simulation test frock is less, reliability is higher.
Description
Technical field
This utility model embodiment is related to the technical field of dsp board test, more particularly to a kind of dsp board simulation test mould
Block.
Background technology
The survey of Digital Signal Processing (Digital Signal Processing, dsp board) panel at present, on market
Examination is substantially by manual testing, and during manual testing's dsp board panel, not only testing precision is not high, and which is cumbersome,
Man-hour, positioning inconvenience are expended, the production efficiency that product tests link aborning can be more reduced, while also directly reducing product
Overall efficiency.Additionally, the panel of manual testing's dsp board, higher to the personal level requirement of staff to a certain extent,
The cost of production is also increased virtually.
Utility model content
The purpose of this utility model embodiment is to propose a kind of dsp board simulation testing module, it is intended to how solved same
The problem of the function of various dsp boards can be realized in one simulation test frock.
It is that, up to this purpose, this utility model embodiment is employed the following technical solutions：
A kind of dsp board simulation testing module, the module include that power module, current/voltage detection module, button are indicated
The double network interface modules of lamp module, double-serial port and dsp board；
One end of the power module connects one end of the current/voltage detection module, the current/voltage detection module
The other end connection dsp board；
One end of the power module connects one end of the key indicator lamp module, the key indicator lamp module it is another
One end connects the dsp board；
One end of the power module connects one end of the double network interface modules of the double-serial port, the double network interface modules of the double-serial port
The other end connect the dsp board；
The current/voltage detection module, for carrying out dosage to the electric current of ADC sampling channels AIN1～AIN8 in dsp board
Detection；
The key indicator lamp module, detects described opening into passage for dsp board.
The double network interface module of the double-serial port, for for dsp board network interface and serial data communication entrance.
Preferably, the power module includes that phoenix terminal J2, ship type switch S1, power module AC220V turn DC24V V5
Turn DC5V U11 with power module DC24V.
Preferably, the current/voltage detection module includes X1 phoenix terminal and PT1～PT8 sampling transformers.
Preferably, the key indicator lamp module includes toggle switch circuit, key circuit and indicator light circuit, the finger
Indication lamp circuit is connected on the digital output circuit of the dsp board；
The toggle switch circuit is used for the display test event classification switching selection switch for the indicator light circuit, institute
Key circuit is stated for open into channel check trigger, the indicator light circuit be used for be dsp board sample circuit AIN1～
AIN8, digital output circuit OUT19 to OUT21 carry out testing result into circuit I N01 to IN28 and are indicated with opening.
Preferably, the digital output circuit detection, when J1, J3～J6, J12～J17 toggle switch 1 and 2 is turned on, described
0.3S drives output one by one for dsp board circulation, carries out lighting to OUT01 to OUT21 successively, outputs electricity if each lamp is lighted successively
Road and display lamp are qualified；
When OUT-19 is high level, and J12 toggle switch 1 and 2 is turned on, the dsp board is started and carries ADC channel AIN9
Detection program is carried out to AIN16, testing result is shown with D25 to D32 display lamps, it is bright for qualified；
In the key circuit as the trigger opened into detection, high level, J4 buttons during test, are first set to DI_DO
Switch 3 and 2 is turned on, and sends into voltage signal, the dsp board into channel circuit DI1～DI16 to opening respectively by button S2 to S17
Detect it is described open after passage has change in voltage, show testing result with the display lamp of D17～D32 respectively, change and light
Display lamp 3S.
Preferably, the double network interface module of the double-serial port includes twoport RJ45 seat J9,2 SLVU2.8-4A1 protection devices U6,
The electric capacity C18 and electric capacity C19 composition of 4 resistance R86～R89,2 1000PF/2kV absorbs the electric to ground discharge of surging signal
Road.
Preferably, the double network interface modules of the double-serial port are also led to including two DB9 female seats J10～J11,2 red and green color lamps
Letter display lamp LED1, LED2；Described LED1, LED2 are for can flash when there is transceiving data.
Preferably, in the double network interface modules of the double-serial port, two serial ports Serial Port Line is docked, and carries out data transmit-receive and school
Test to judge whether serial ports 1 is normal with serial ports 2, LED1 and LED2 can be flashed for qualified；
Two network interface netting twines are docked to mobile terminal, and the mobile terminal carries out data transmit-receive then with test fixture network interface
It is qualified.
Preferably, when DI_DO1 is high level, J1 toggle switch 1 and 2 is turned on, to all channel circuits of ADC7606
AIN1～AIN8 is detected, fine or not instruction is carried out to passage with D17 to D24, and frequency measurement port is detected；
When OUT-19 is high level, when J12 toggle switch 1 and 2 is turned on, ADC channel is carried to TMS320F2812 to be carried out
Detection, carries out fine or not instruction to passage with D25 to D32；
When DI_DO be high level when, J4 toggle switch 1 and 2 conducting, it is split enter passage detected, with D17 to D32 pair
Passage DI01 to DI16, D17 to D28 carry out fine or not instruction to passage DI17 to DI28；
When BMS-IN1 is high level, the conductings of toggle switch J13/1 and 2 are detected to outputing passage, using dsp board
Test program carries out fine or not instruction to D17 to 32 couple of passage DO01 to DO16；D12 to D16 is carried out to passage OUT17 to OUT21
Quality is indicated；
When by mobile terminal connected with network cable to the corresponding J9 of RJ45 seats, specific data are sent to test fixture, has number
According to returning, then network interface communication is normal；
When DB9 seats corresponding J10 and J11 being connected to by mobile terminal Serial Port Line, and send specific data, the DSP
Plate has data to come and go, at the same LED1 and LED2 display lamps flicker then communication function it is normal.
Preferably, in the current/voltage detection module, applied voltage and the magnitude of current are connected on X1 terminals during test,
X1-1, X1-2, X1-3, X1-4, X1-5 are respectively A phase voltage Ua, B phase voltage Ub, C phase voltages Uc, residual voltage Uo and voltage
The input of common wire Un.Changed to PT1, PT2, PT3, PT4 voltage sample transformer, Jing transformers by applying alternating current 220V
It is transferred on AIN1～AIN4 mouths of dsp board again for secondary voltage, the dsp board collects magnitude of voltage with applying by comparing
Magnitude of voltage is contrasted, and it is qualified that error is not more than 10%；
In the current/voltage detection module, the electric current of applying is connected to into zero-sequence current Lo input X1-6, A during test
Phase current La input X1-7, B phase current Lb input X1-8, C phase current Lc input X1-9, electric current common wire X1-10, apply
Plus exchange predetermined 5A to PT5, PT6, PT7, PT8 current sampling mutual inductor, Jing transformers Secondary Winding and resistance is adopted, by electric current
Signal switchs to AIN5～AIN8 mouths that faint voltage signal is sent to the dsp board, and the dsp board collects electric current by comparing
Value is contrasted with the current value for applying, and it is qualified that error is not more than 10%；AIN1～AIN8 channel circuits test result is distinguished
Correspondence is shown as on D12～D19, bright for qualified.
This utility model embodiment provides a kind of dsp board simulation testing module, and the module includes power module, electric current electricity
The double network interface modules of pressure detection module, key indicator lamp module, double-serial port and dsp board；One end connection of the power module is described
One end of current/voltage detection module, the other end connection dsp board of the current/voltage detection module；The one of the power module
One end of the end connection key indicator lamp module, the other end of the key indicator lamp module connect the dsp board；The electricity
One end of source module connects one end of the double network interface modules of the double-serial port, the other end connection institute of the double network interface modules of the double-serial port
State dsp board；The current/voltage detection module, for carrying out dosage to the electric current of ADC sampling channels AIN1～AIN8 in dsp board
Detection；The key indicator lamp module, it is for the double network interface modules of the double-serial port, logical for being dsp board network interface and serial data
Letter entrance.Whether this utility model can simulate dsp board IO input and output by simulation test frock normal etc.；Different
Dsp board can be tested in a simulation test frock；Simulation test tool circuit is simple and direct, and electric elements easily seek purchase, property
Valency is than high；The body pole of simulation test frock is less, reliability is higher；Can be while 2 network interfaces, 2 serial ports sending/receiving datas.
Description of the drawings
Fig. 1 is a kind of high-level schematic functional block diagram of dsp board simulation testing module that this utility model embodiment is provided；
Fig. 2A is a kind of high-level schematic functional block diagram of power module that this utility model embodiment is provided；
Fig. 2 B are the high-level schematic functional block diagrams of another kind of power module that this utility model embodiment is provided；
Fig. 3 A are a kind of high-level schematic functional block diagrams of current/voltage detection module that this utility model is provided；
Fig. 3 B are the high-level schematic functional block diagrams of another kind of current/voltage detection module that this utility model is provided；
Fig. 4 is a kind of high-level schematic functional block diagram of toggle switch circuit that this utility model is provided；
Fig. 5 is a kind of high-level schematic functional block diagram of key circuit that this utility model is provided；
Fig. 6 is a kind of high-level schematic functional block diagram of indicator light circuit that this utility model is provided；
Fig. 7 is the high-level schematic functional block diagram of a kind of pair of network interface module that this utility model is provided；
Fig. 8 is a kind of high-level schematic functional block diagram of double-serial port module that this utility model is provided.
Specific embodiment
With reference to the accompanying drawings and examples this utility model embodiment is described in further detail.May be appreciated
It is that specific embodiment described herein is used only for explaining this utility model embodiment, rather than to this utility model embodiment
Restriction.It also should be noted that, for the ease of description, illustrate only in accompanying drawing related to this utility model embodiment
Part rather than entire infrastructure.
With reference to Fig. 1, Fig. 1 is that a kind of functional module of dsp board simulation testing module that this utility model embodiment is provided is shown
It is intended to.
The module includes the double network interface modules of power module, current/voltage detection module, key indicator lamp module, double-serial port
And dsp board；
One end of the power module connects one end of the current/voltage detection module, the current/voltage detection module
The other end connection dsp board；
One end of the power module connects one end of the key indicator lamp module, the key indicator lamp module it is another
One end connects the dsp board；
One end of the power module connects one end of the double network interface modules of the double-serial port, the double network interface modules of the double-serial port
The other end connect the dsp board；
The current/voltage detection module, for carrying out dosage to the electric current of ADC sampling channels AIN1～AIN8 in dsp board
Detection；
The key indicator lamp module, detects described opening into passage for dsp board.
The double network interface module of the double-serial port, for for dsp board network interface and serial data communication entrance.
Preferably, as shown in Fig. 2 the power module includes phoenix terminal J2, ship type switch S1, power module AC220V
Turn DC24V V5 and power module DC24V turns DC5V U11.
In the power module, power module J2 input AC220V, S1A ship type switches, V5 power module LH10-
10B24, U11 power module DC24V turns DC5V, V5 power module LH10-10B24, B2405S-2W turn DC5V carry out detecting, two
Individual different DC5V voltages provide disparate modules, have preferable buffer action.
Preferably, as shown in figure 3, the current/voltage detection module includes X1 phoenix terminal and PT1～PT8 sampling mutual inductances
Device.In the current/voltage detection module, applied voltage and the magnitude of current are connected on X1 terminals during test, X1-1/X1-2/
It is public that X1-3/X1-4/X1-5 is respectively A phase voltages (Ua), B phase voltages (Ub), C phase voltages (Uc), residual voltage (Uo) and voltage
The input of conllinear Un.Changed to PT1 (PT2, PT3, PT4) voltage sample transformer, Jing transformers by applying alternating current 220V
It is transferred on AIN1～AIN4 mouths of dsp board again for secondary voltage, dsp board is by comparing the voltage for collecting magnitude of voltage and applying
Value is contrasted, and it is qualified that error is not more than 10%.During test by the electric current of applying be connected to X1-6 (zero-sequence current Lo inputs)/
X1-7 (A phase current La inputs)/X1-8 (B phase current Lb inputs)/X1-9 (C phase current Lc inputs)/X1-10 (electric currents
Common wire), apply exchange (making a reservation for) 5A to PT5 (PT6, PT7, PT8) current sampling mutual inductor, Jing transformers Secondary Winding and adopt
With resistance, current signal is switched to into AIN5～AIN8 mouths that faint voltage signal is sent to dsp board, dsp board is by comparing collection
Contrasted to current value with the current value for applying, it is qualified that error is not more than 10%.AIN1～AIN8 channel circuits test knot
Fruit corresponds to respectively and is shown as on D12～D19, bright for qualified.
Preferably, in the key indicator lamp module, including 3 parts：Toggle switch circuit as shown in Figure 4, such as Fig. 5
(indicator light circuit is connected on the digital output circuit of dsp board, therefore is surveyed for shown key circuit and indicator light circuit as shown in Figure 6
It is during examination, it is necessary to be that first digital output circuit is tested, normal with the display for ensureing display lamp).Toggle switch is aobvious as display lamp
Show test event classification switching selection switch, trigger of the button as the inspection opened into circuit, display lamp are adopted as dsp board
Sample circuit AIN1～AIN8, digital output circuit OUT19---OUT21 carry out testing result into circuit I N01---IN28 etc. and carry out with opening
Indicate.
Preferably, the digital output circuit detection, when J1, J3～J6, J12～J17 toggle switch 1 and 2 is turned on, described
0.3S drives output one by one for dsp board circulation, carries out lighting to OUT01 to OUT21 successively, outputs electricity if each lamp is lighted successively
Road and display lamp are qualified；
When OUT-19 is high level, and J12 toggle switch 1 and 2 is turned on, the dsp board is started and carries ADC channel AIN9
Detection program is carried out to AIN16, testing result is shown with D25 to D32 display lamps, it is bright for qualified；
In the key circuit as the trigger opened into detection, high level, J4 buttons during test, are first set to DI_DO
Switch 3 and 2 is turned on, and sends into voltage signal, the dsp board into channel circuit DI1～DI16 to opening respectively by button S2 to S17
Detect it is described open after passage has change in voltage, show testing result with the display lamp of D17～D32 respectively, change and light
Display lamp 3S.
Preferably, as shown in fig. 7, in described pair of network interface module, double network interfaces include J9 (twoport RJ45 seats), U6 (2
SLVU2.8-4A1 protection devices), R86～R89 (4 resistance), C18 and C19 (2 1000PF/2kV) composition absorbs surge letter
Number to ground discharge circuit；
Preferably, as shown in figure 8, in the double-serial port module；Refer to including two J10～J11 (DB9 female seats), communication
Show that, when there is transceiving data, LED1 and LED2 can flash for lamp LED1, LED2 (2 red and green color lamps).
In the double network interface modules of the double-serial port, two serial ports Serial Port Line is docked, and carries out data transmit-receive with verification to sentence
Whether disconnected serial ports 1 is normal with serial ports 2, and LED1 and LED2 can be flashed for qualified；
Two network interface netting twines are docked to mobile terminal, and the mobile terminal carries out data transmit-receive then with test fixture network interface
It is qualified.
Preferably, when DI_DO1 is high level, J1 toggle switch 1 and 2 is turned on, to all channel circuits of ADC7606
AIN1～AIN8 is detected, fine or not instruction is carried out to passage with D17 to D24, and frequency measurement port is detected；
When OUT-19 is high level, when J12 toggle switch 1 and 2 is turned on, ADC channel is carried to TMS320F2812 to be carried out
Detection, carries out fine or not instruction to passage with D25 to D32；
When DI_DO be high level when, J4 toggle switch 1 and 2 conducting, it is split enter passage detected, with D17 to D32 pair
Passage DI01 to DI16, D17 to D28 carry out fine or not instruction to passage DI17 to DI28；
When BMS-IN1 is high level, the conductings of toggle switch J13/1 and 2 are detected to outputing passage, using dsp board
Test program carries out fine or not instruction to D17 to 32 couple of passage DO01 to DO16；D12 to D16 is carried out to passage OUT17 to OUT21
Quality is indicated；
When by mobile terminal connected with network cable to the corresponding J9 of RJ45 seats, specific data are sent to test fixture, has number
According to returning, then network interface communication is normal；
When DB9 seats corresponding J10 and J11 being connected to by mobile terminal Serial Port Line, and send specific data, the DSP
Plate has data to come and go, at the same LED1 and LED2 display lamps flicker then communication function it is normal.
Preferably, in the current/voltage detection module, applied voltage and the magnitude of current are connected on X1 terminals during test,
X1-1, X1-2, X1-3, X1-4, X1-5 are respectively A phase voltage Ua, B phase voltage Ub, C phase voltages Uc, residual voltage Uo and voltage
The input of common wire Un.Changed to PT1, PT2, PT3, PT4 voltage sample transformer, Jing transformers by applying alternating current 220V
It is transferred on AIN1～AIN4 mouths of dsp board again for secondary voltage, the dsp board collects magnitude of voltage with applying by comparing
Magnitude of voltage is contrasted, and it is qualified that error is not more than 10%；
In the current/voltage detection module, the electric current of applying is connected to into zero-sequence current Lo input X1-6, A during test
Phase current La input X1-7, B phase current Lb input X1-8, C phase current Lc input X1-9, electric current common wire X1-10, apply
Plus exchange predetermined 5A to PT5, PT6, PT7, PT8 current sampling mutual inductor, Jing transformers Secondary Winding and resistance is adopted, by electric current
Signal switchs to AIN5～AIN8 mouths that faint voltage signal is sent to the dsp board, and the dsp board collects electric current by comparing
Value is contrasted with the current value for applying, and it is qualified that error is not more than 10%；AIN1～AIN8 channel circuits test result is distinguished
Correspondence is shown as on D12～D19, bright for qualified.
This utility model embodiment provides a kind of dsp board simulation testing module, and the module includes power module, electric current electricity
The double network interface modules of pressure detection module, key indicator lamp module, double-serial port and dsp board；One end connection of the power module is described
One end of current/voltage detection module, the other end connection dsp board of the current/voltage detection module；The one of the power module
One end of the end connection key indicator lamp module, the other end of the key indicator lamp module connect the dsp board；The electricity
One end of source module connects one end of the double network interface modules of the double-serial port, the other end connection institute of the double network interface modules of the double-serial port
State dsp board；The current/voltage detection module, for carrying out dosage to the electric current of ADC sampling channels AIN1～AIN8 in dsp board
Detection；The key indicator lamp module, it is for the double network interface modules of the double-serial port, logical for being dsp board network interface and serial data
Letter entrance.Whether this utility model can simulate dsp board IO input and output by simulation test frock normal etc.；Different
Dsp board can be tested in a simulation test frock；Simulation test tool circuit is simple and direct, and electric elements easily seek purchase, property
Valency is than high；The body pole of simulation test frock is less, reliability is higher；Can be while 2 network interfaces, 2 serial ports sending/receiving datas.
The know-why of this utility model embodiment is described above in association with specific embodiment.These descriptions are intended merely to solution
The principle of this utility model embodiment is released, and the limit to this utility model embodiment protection domain can not be construed to by any way
System.Based on explanation herein, those skilled in the art associates this utility model by need not paying performing creative labour
Other specific embodiments of embodiment, these modes are fallen within the protection domain of this utility model embodiment.
Claims (10)
1. a kind of dsp board simulation testing module, it is characterised in that the module include power module, current/voltage detection module,
The double network interface modules of key indicator lamp module, double-serial port and dsp board；
One end of the power module connects one end of the current/voltage detection module, the current/voltage detection module it is another
One end connects dsp board；
One end of the power module connects one end of the key indicator lamp module, the other end of the key indicator lamp module
Connect the dsp board；
One end of the power module connects one end of the double network interface modules of the double-serial port, the double network interface modules of the double-serial port it is another
One end connects the dsp board；
The current/voltage detection module, for carrying out dosage inspection to the electric current of ADC sampling channels AIN1～AIN8 in dsp board
Survey；
The key indicator lamp module, for the trigger into detection is opened for dsp board；
The double network interface module of the double-serial port, for for dsp board network interface and serial data communication entrance.
2. dsp board simulation testing module according to claim 1, it is characterised in that
The power module includes that phoenix terminal J2, ship type switch S1, power module AC220V turn DC24V V5 and power module
DC24V turns DC5V U11.
3. dsp board simulation testing module according to claim 1, it is characterised in that
The current/voltage detection module includes X1 phoenix terminal and PT1～PT8 sampling transformers.
4. dsp board simulation testing module according to claim 1, it is characterised in that
The key indicator lamp module includes toggle switch circuit, key circuit and indicator light circuit, and the indicator light circuit connects
It is connected on the digital output circuit of the dsp board；
The toggle switch circuit is used for the display test event classification switching selection switch for the indicator light circuit, described to press
Key circuit is used for open into channel check trigger, the indicator light circuit be used for for dsp board sample circuit AIN1～AIN8,
Digital output circuit OUT19 to OUT21 carries out testing result into circuit I N01 to IN28 and is indicated with opening.
5. dsp board simulation testing module according to claim 4, it is characterised in that the digital output circuit detection, when J1,
When J3～J6, J12～J17 toggle switch 1 and 2 are turned on, 0.3S drives output one by one for the dsp board circulation, successively to OUT01 extremely
OUT21 carries out lighting, and if each lamp is lighted successively, digital output circuit and display lamp are qualified；
When OUT-19 is high level, and J12 toggle switch 1 and 2 is turned on, the dsp board is started and carries ADC channel AIN9 extremely
AIN16 carries out detection program, and testing result is shown with D25 to D32 display lamps, bright for qualified；
In the key circuit as the trigger opened into detection, high level, J4 toggle switch during test, are first set to DI_DO
3 and 2 conductings, send into voltage signal, the dsp board detection into channel circuit DI1～DI16 to opening respectively by button S2 to S17
Have after change in voltage to the passage of opening, testing result is shown with the display lamp of D17～D32 respectively, change and light instruction
Lamp 3S.
6. dsp board simulation testing module according to claim 1, it is characterised in that
The double network interface modules of the double-serial port include twoport RJ45 seat J9,2 SLVU2.8-4A1 protection devices U6,4 resistance R86
～R89,2 1000PF/2kV electric capacity C18 and electric capacity C19 composition absorb surging signal to ground discharge circuit.
7. dsp board simulation testing module according to claim 6, it is characterised in that
The double network interface modules of the double-serial port are also including two DB9 female seats J10～J11,2 red and green color lamps communication display lamps
LED1、LED2；Described LED1, LED2 are for can flash when there is transceiving data.
8. dsp board simulation testing module according to claim 6, it is characterised in that
In the double network interface modules of the double-serial port, two serial ports Serial Port Line is docked, and carries out data transmit-receive with verification to judge string
Whether mouthful 1 normal with serial ports 2, and LED1 and LED2 can be flashed for qualified；
Two network interface netting twines are docked to mobile terminal, and the mobile terminal carries out data transmit-receive with test fixture network interface and then closes
Lattice.
9. the dsp board simulation testing module according to claim 1 to 8 any one, it is characterised in that：
When DI_DO1 is high level, J1 toggle switch 1 and 2 is turned on, and channel circuit AIN1～AIN8s all to ADC7606 are carried out
Detection, carries out fine or not instruction with D17 to D24, and frequency measurement port is detected to passage；
When OUT-19 is high level, when J12 toggle switch 1 and 2 is turned on, ADC channel is carried to TMS320F2812 and is examined
Survey, fine or not instruction is carried out to passage with D25 to D32；
When DI_DO be high level when, J4 toggle switch 1 and 2 conducting, it is split enter passage detected, with D17 to D32 to passage
DI01 to DI16, D17 to D28 carry out fine or not instruction to passage DI17 to DI28；
When BMS-IN1 is high level, the conductings of toggle switch J13/1 and 2 are detected to outputing passage, are tested using dsp board
Program carries out fine or not instruction to D17 to 32 couple of passage DO01 to DO16；D12 to D16 carries out quality to passage OUT17 to OUT21
Indicate；
When by mobile terminal connected with network cable to the corresponding J9 of RJ45 seats, specific data are sent to test fixture, there are data to return
Return then network interface communication normal；
When DB9 seats corresponding J10 and J11 being connected to by mobile terminal Serial Port Line, and send specific data, the dsp board has
Data come and go, while LED1 and LED2 display lamps flicker then communication function it is normal.
10. the dsp board simulation testing module according to claim 1 to 8 any one, it is characterised in that：
In the current/voltage detection module, applied voltage and the magnitude of current are connected on X1 terminals during test, X1-1, X1-2,
X1-3, X1-4, X1-5 are respectively A phase voltage Ua, B phase voltage Ub, C phase voltages Uc, residual voltage Uo and voltage common wire Un's
Input；Secondary voltage is converted to PT1, PT2, PT3, PT4 voltage sample transformer, Jing transformers by applying alternating current 220V
It is transferred on AIN1～AIN4 mouths of dsp board again, the dsp board is collected magnitude of voltage by comparison and carried out with the magnitude of voltage for applying
Contrast, it is qualified that error is not more than 10%；
In the current/voltage detection module, the electric current of applying is connected to into zero-sequence current Lo input X1-6, A phases during test electric
Stream La input X1-7, B phase current Lb input X1-8, C phase current Lc input X1-9, electric current common wire X1-10, apply to hand over
Flow predetermined 5A to PT5, PT6, PT7, PT8 current sampling mutual inductor, Jing transformers Secondary Winding and adopt resistance, by current signal
Switch to AIN5～AIN8 mouths that faint voltage signal is sent to the dsp board, the dsp board by compare collect current value with
The current value of applying is contrasted, and it is qualified that error is not more than 10%；AIN1～AIN8 channel circuit test results are corresponded to respectively
It is shown as on D12～D19, it is bright for qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621034361.9U CN206057503U (en) | 2016-08-31 | 2016-08-31 | A kind of dsp board simulation testing module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621034361.9U CN206057503U (en) | 2016-08-31 | 2016-08-31 | A kind of dsp board simulation testing module |
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| CN206057503U true CN206057503U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621034361.9U Expired - Fee Related CN206057503U (en) | 2016-08-31 | 2016-08-31 | A kind of dsp board simulation testing module |
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| Country | Link |
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| CN (1) | CN206057503U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896320A (en) * | 2017-04-18 | 2017-06-27 | 苏州格联威智能科技有限公司 | A kind of PLC plates analog detection tool |
| CN112562553A (en) * | 2020-11-26 | 2021-03-26 | 中国兵器装备集团自动化研究所 | Test system and test method of liquid crystal control module |
| CN114296532A (en) * | 2022-01-14 | 2022-04-08 | 中车大连电力牵引研发中心有限公司 | RIOM case and network control system thereof |
-
2016
- 2016-08-31 CN CN201621034361.9U patent/CN206057503U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896320A (en) * | 2017-04-18 | 2017-06-27 | 苏州格联威智能科技有限公司 | A kind of PLC plates analog detection tool |
| CN106896320B (en) * | 2017-04-18 | 2024-01-09 | 贵州行瑞天成科技有限公司 | PLC board simulation detection jig |
| CN112562553A (en) * | 2020-11-26 | 2021-03-26 | 中国兵器装备集团自动化研究所 | Test system and test method of liquid crystal control module |
| CN114296532A (en) * | 2022-01-14 | 2022-04-08 | 中车大连电力牵引研发中心有限公司 | RIOM case and network control system thereof |
| CN114296532B (en) * | 2022-01-14 | 2024-06-11 | 中车大连电力牵引研发中心有限公司 | RIOM machine box and network control system thereof |
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