CN208158611U - A kind of communication module test platform - Google Patents
A kind of communication module test platform Download PDFInfo
- Publication number
- CN208158611U CN208158611U CN201820668376.3U CN201820668376U CN208158611U CN 208158611 U CN208158611 U CN 208158611U CN 201820668376 U CN201820668376 U CN 201820668376U CN 208158611 U CN208158611 U CN 208158611U
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- Prior art keywords
- capacitor
- interface
- chip
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- communication module
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Abstract
The utility model discloses a kind of communication module test platforms, including：Governor circuit and the signal conversion circuit being attached thereto, display circuit；Wherein the governor circuit includes the first chip U1 and the J1 interface, J2 interface, J3 interface, the J4 interface that are attached thereto；The signal conversion circuit includes signal conversion chip U3 and the J8 interface, capacitor C7, capacitor C8, capacitor C9, capacitor C10, the capacitor C11 that are attached thereto, wherein the signal conversion chip U3 is connect with the first chip U1.The utility model is quick fault point, and assist trouble processing provides the support on hardware.
Description
Technical field
The utility model relates to the field of test technology, particularly relate to a kind of communication module test platform, mention for test
For hardware supported.
Background technique
No.1 line SCADA communication module is the important component communicated between station electric substation and central monitoring system, can be real
The monitoring of existing central computer and each station electricity consumption situation.When tunneling traffic failure occurs in a certain electric substation, will affect at central level
Monitoring, must apply for one-shot job at once, wait run after repair.It needs to carry out spare part test before maintenance, test needs at present
Night shift is arranged to carry out online test after wait run, it is waiting for a long time, make a big impact to field device security reliability.
Therefore continue it is a kind of can effectively quick fault point technical solution, the inventor of the utility model needs to conceive a kind of test
Platform provides the support on hardware device for it.
Utility model content
The utility model is intended to provide a kind of communication module test platform, is quick fault point, assist trouble processing
Provide the support on hardware.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of communication module test platform, including：Governor circuit and the signal conversion circuit being attached thereto, display circuit；
Wherein the governor circuit includes the first chip U1 and the J1 interface, J2 interface, J3 interface, the J4 interface that are attached thereto；The letter
Number conversion circuit include signal conversion chip U3 and the J8 interface being attached thereto, capacitor C7, capacitor C8, capacitor C9, capacitor C10,
Capacitor C11, wherein the signal conversion chip U3 is connect with the first chip U1.
Preferably, a power supply circuit is also wrapped, the power supply circuit includes rechargeable battery, power switch K2, fuse
FU1, voltage conversion chip U2, capacitor C4, wherein the one end the power switch K2 is connect with the rechargeable battery, the other end with
The fuse FU1 connection；The fuse FU1 is connect with the input terminal of the voltage conversion chip U2；The capacitor C4 mono-
End is connect with the input terminal of the voltage conversion chip U2, other end ground connection.
It preferably, further include an electric quantity display circuit comprising light emitting diode, capacitor C5, capacitor C6, resistance R4,
Described in the anode of light emitting diode connect with resistance R4, cathode is grounded, and the resistance R4 other end connect with the power supply circuit；Institute
It states capacitor C5 and the capacitor C6 is arranged in parallel, the two one end is connect with the power supply circuit, other end ground connection.
Preferably, first chip is STC89C52RC single-chip microcontroller.
Preferably, the voltage conversion chip U2 is 78L05 voltage conversion chip.
Preferably, the J8 interface is standard DB9 interface.
By adopting the above technical scheme, the utility model includes at least following beneficial effect：
Communication module test platform described in the utility model, is quick fault point, and assist trouble processing provides
Support on hardware, province go for operation and enable the cumbersome processes such as shutdown, reduce the failure waiting time；Meanwhile can to reprocess spare part into
The detection of row reliability, removes the cumbersome process of night shift on-line testing from, to equipment itself when effectively avoiding reprocessing spare part on-line testing
Influence and security risk.
Detailed description of the invention
Fig. 1 is the circuit diagram of governor circuit described in the utility model；
Fig. 2 is the circuit diagram of signal conversion circuit described in the utility model；
Fig. 3 is the circuit diagram of display circuit described in the utility model；
Fig. 4 is the circuit diagram of power supply circuit described in the utility model；
Fig. 5 is the circuit diagram of electric quantity display circuit described in the utility model；
Fig. 6 is the circuit diagram of reset circuit described in the utility model；
Fig. 7 is the circuit diagram of crystal oscillator module described in the utility model；
Fig. 8 is the circuit diagram of test starting circuit described in the utility model；
Fig. 9 is the circuit diagram of J7 interface described in the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It as shown in Figures 1 to 9, is a kind of communication module test platform for meeting the utility model, especially RS232 turns
422 module testing platforms, including：Governor circuit and the signal conversion circuit being attached thereto, display circuit；The wherein master control electricity
Road includes the first chip U1 and the J1 interface, J2 interface, J3 interface, the J4 interface that are attached thereto；The signal conversion circuit includes
Signal conversion chip U3 and the J8 interface being attached thereto, capacitor C7, capacitor C8, capacitor C9, capacitor C10, capacitor C11, wherein institute
Signal conversion chip U3 is stated to connect with the first chip U1.
Preferably, a power supply circuit is also wrapped, the power supply circuit includes rechargeable battery, power switch K2, fuse
FU1, voltage conversion chip U2, capacitor C4, wherein the one end the power switch K2 is connect with the rechargeable battery, the other end with
The fuse FU1 connection；The fuse FU1 is connect with the input terminal of the voltage conversion chip U2；The capacitor C4 mono-
End is connect with the input terminal of the voltage conversion chip U2, other end ground connection.
It preferably, further include an electric quantity display circuit comprising light emitting diode, capacitor C5, capacitor C6, resistance R4,
Described in the anode of light emitting diode connect with resistance R4, cathode is grounded, and the resistance R4 other end connect with the power supply circuit；Institute
It states capacitor C5 and the capacitor C6 is arranged in parallel, the two one end is connect with the power supply circuit, other end ground connection.
Preferably, first chip is STC89C52RC single-chip microcontroller.
Preferably, the voltage conversion chip U2 is 78L05 voltage conversion chip.
Preferably, the J8 interface is standard DB9 interface.
Certain the present embodiment further includes other circuits, reset circuit as shown in the figure, crystal oscillator module, test starting circuit,
J7 interface, wherein J7 interface is standard DB15 interface, itself has done a circuit processing, has returned to the signal received
Processing.Due in conjunction with attached drawing those skilled in the art can be explicit know, therefore details are not described herein again.The utility model is not
It is related to part to be the prior art or can be realized by using the prior art.
The present embodiment circuit diagram component is explained in detail with reference to the accompanying drawing as follows：
U1 is a general 51 single-chip microcontroller, and the carrier of processing routine is responsible for processing signal transmitting and receiving, display control；
U2 is voltage conversion chip, is responsible for the 24V voltage of battery pack being converted to 5V voltage, power for circuit；
U3 is signal conversion chip, is responsible for UART signal switching to RS232 signal, converts tested module signal as single-chip microcontroller
Discernible signal；
J5, J6 interface are responsible for connecting 24V battery pack, and it is platform power that battery pack, which accesses J5, and J6 connection tested module is
Tested module power supply；
J7, J8 interface are responsible for connecting tested module, send data to tested module by J8, receive tested module by J7
Returned data；
K1 is single-chip microcontroller reset button, is responsible for resetting single-chip microcontroller；
K2 is power switch, control battery voltage output；
K3 is test starting button, and control platform opens working platform；
LED1 is light emitting diode, shows power supply power supply situation；
LCD1 is display module interface, is responsible for connection LCD12864 module, control display relevant information.
Circuit diagram working principle is as follows：
1, need to press K2, unlatching is battery-powered, and LED1 is lighted, and U1 single-chip microcontroller work, initialization program controls LCD1
Show start-up picture；
2, tested module is put into platform corresponding position, wherein the power supply interface of module connect with J6, signal transmission interface
It is connect with J7, signal receiving interface is connect with J8；
3, K3 is pressed, the starting of single-chip microcontroller test program is sent to tested mould by J8 after converting test data by U3
Block is handled through tested module, is fed back to U3 by J7, is converted through signal, and U1 single-chip microcontroller is sent to, and LCD1 is controlled after processing and is shown
Corresponding contents.
The utility model, which has been put forward for the first time, to be detected communication module from line, is changed to detect under line.Detection on line to setting
Fundamentally prevented for the influence and security risk of itself.And Rechargeable battery is increased, platform is made into can be portable
Formula platform, accomplishes detection whenever and wherever possible.Complicated things simple, cumbersome process simplification is fallen, test result from
It is directly displayed on screen, it is simple and clear.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of communication module test platform, which is characterized in that including：Governor circuit and the signal conversion circuit being attached thereto,
Display circuit；Wherein the governor circuit includes that the first chip U1 and the J1 interface, J2 interface, J3 interface, the J4 that are attached thereto connect
Mouthful；The signal conversion circuit include signal conversion chip U3 and be attached thereto J8 interface, capacitor C7, capacitor C8, capacitor C9,
Capacitor C10, capacitor C11, wherein the signal conversion chip U3 is connect with the first chip U1.
2. communication module test platform as described in claim 1, it is characterised in that：It further include a power supply circuit, the power supply
Circuit includes rechargeable battery, power switch K2, fuse FU1, voltage conversion chip U2, capacitor C4, wherein the power supply is opened
It closes the one end K2 to connect with the rechargeable battery, the other end is connect with the fuse FU1；The fuse FU1 and the electricity
Press the input terminal connection of conversion chip U2；The one end the capacitor C4 is connect with the input terminal of the voltage conversion chip U2, another
End ground connection.
3. communication module test platform as claimed in claim 2, it is characterised in that：It further include an electric quantity display circuit,
Including light emitting diode, capacitor C5, capacitor C6, resistance R4, wherein the anode of the light emitting diode is connect with resistance R4, cathode
Ground connection, the resistance R4 other end are connect with the power supply circuit；The capacitor C5 and the capacitor C6 are arranged in parallel, the two one end with
The power supply circuit connection, other end ground connection.
4. communication module test platform as described in claim 1, it is characterised in that：First chip is that STC89C52RC is mono-
Piece machine.
5. communication module test platform as claimed in claim 2, it is characterised in that：The voltage conversion chip U2 is 78L05
Voltage conversion chip.
6. communication module test platform as described in claim 1, it is characterised in that：The J8 interface is standard DB9 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820668376.3U CN208158611U (en) | 2018-05-07 | 2018-05-07 | A kind of communication module test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820668376.3U CN208158611U (en) | 2018-05-07 | 2018-05-07 | A kind of communication module test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158611U true CN208158611U (en) | 2018-11-27 |
Family
ID=64389366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820668376.3U Expired - Fee Related CN208158611U (en) | 2018-05-07 | 2018-05-07 | A kind of communication module test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158611U (en) |
-
2018
- 2018-05-07 CN CN201820668376.3U patent/CN208158611U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20200507 |