CN216900808U - Sampling plate test platform - Google Patents
Sampling plate test platform Download PDFInfo
- Publication number
- CN216900808U CN216900808U CN202220296002.XU CN202220296002U CN216900808U CN 216900808 U CN216900808 U CN 216900808U CN 202220296002 U CN202220296002 U CN 202220296002U CN 216900808 U CN216900808 U CN 216900808U
- Authority
- CN
- China
- Prior art keywords
- sampling
- interface
- voltage
- signal
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a sampling plate test platform. The sampling board test platform includes: the system comprises an analog signal board, a control board and an upper computer; the analog signal board comprises a temperature signal generator, a voltage simulator and a power circuit, wherein the temperature signal generator is connected with the temperature sampling interface and is used for simulating a temperature signal of the temperature sensor; the voltage simulator is respectively connected with the power circuit and the voltage sampling interface and is used for generating a preset voltage and transmitting the preset voltage to the voltage sampling interface; the power circuit is connected with the power interface and used for supplying power to the sampling plate; the control panel comprises a signal input interface, a signal processing circuit and a signal output interface, wherein the signal input interface is connected with the sampling signal output interface; the signal processing circuit is respectively connected with the signal input interface and the signal output interface and is used for processing the sampling signal; the signal output interface is connected with an upper computer. The application can realize the automatic test of the sampling plate, improve the test efficiency and reduce the test cost.
Description
Technical Field
The embodiment of the utility model relates to a test technology, in particular to a sampling plate test platform.
Background
With the development of new energy industry and national relevant emission reduction policies, the market demands photovoltaic inverters and energy storage converters are increasing, and numerous photovoltaic and energy storage enterprises have the capability of independently developing photovoltaic inverters and energy storage converters.
No matter photovoltaic inverter or energy storage converter all contain the sampling circuit board, every family is different from the circuit board of studying oneself, and the test scheme also has the difference. There are two commonly used test schemes, the traditional development test scheme and the functional test scheme. The traditional research and development test uses equipment such as an analog source, an oscilloscope, a signal generator and the like to test a sampling circuit board, and the test method is relatively complex and low in efficiency. Functional test testing, while efficient, is costly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sampling plate test platform, which is used for automatically testing a plurality of functions of a sampling plate, improving the test efficiency and reducing the test cost.
The embodiment of the utility model provides a sampling plate test platform, wherein a sampling plate comprises a power supply interface, a voltage sampling interface, a temperature sampling interface and a sampling signal output interface; the power interface is used for accessing a power supply; the voltage sampling interface is used for collecting the voltage of a power grid or the voltage of a battery; the temperature sampling interface is used for acquiring an environment temperature signal sent by the temperature sensor; the sampling signal output interface is used for outputting a sampling signal;
the sampling plate test platform comprises: the system comprises an analog signal board, a control board and an upper computer;
the analog signal board comprises a temperature signal generator, a voltage simulator and a power circuit, wherein the temperature signal generator is connected with the temperature sampling interface and is used for simulating a temperature signal of the temperature sensor; the voltage simulator is respectively connected with the power circuit and the voltage sampling interface and is used for generating a preset voltage and transmitting the preset voltage to the voltage sampling interface; the power circuit is connected with the power interface and is used for supplying power to the sampling plate;
the control panel comprises a signal input interface, a signal processing circuit and a signal output interface, and the signal input interface is connected with the sampling signal output interface; the signal processing circuit is respectively connected with the signal input interface and the signal output interface and is used for processing the sampling signal; the signal output interface is connected with the upper computer.
Optionally, the sampling board further comprises a dry contact state interface, and the dry contact state interface is used for acquiring a state signal of the relay;
the analog signal board further comprises a switch signal simulator, and the switch signal simulator is connected with the dry contact state interface and used for generating a switch signal.
Optionally, the sampling plate further comprises a relay, a relay control interface and a relay state indicator light, wherein the relay control interface is connected with the relay and is used for controlling the on-off state of the relay; the relay state indicator lamp is connected with the relay and used for indicating the on-off state of the relay;
the control panel also comprises a relay control signal output port which is respectively connected with the signal processing circuit and the relay control interface, and the signal processing circuit is also used for converting the relay control signal output by the upper computer into an analog signal.
Optionally, the switching signal simulator includes a shorting line through which current flows, and the shorting line is configured to simulate a conduction state of the relay.
Optionally, the voltage sampling interface includes a grid voltage acquisition interface, configured to acquire an alternating voltage at a grid end;
the voltage simulator comprises an alternating voltage simulator and a direct voltage simulator, and the alternating voltage simulator is connected with the power grid voltage acquisition interface and used for generating and outputting a preset alternating voltage.
Optionally, the voltage sampling interface further includes a battery voltage collecting interface, configured to collect a dc voltage at a battery end;
the voltage simulator also comprises a direct-current voltage simulator, and the direct-current voltage simulator is connected with the battery voltage acquisition interface and used for generating and outputting preset direct-current voltage.
Optionally, the sampling signal output interface includes a dry contact state output interface, a temperature sampling output interface, a grid voltage output interface, and a battery voltage output interface;
the signal input interface comprises a dry contact state input interface, a temperature sampling input interface, a power grid voltage input interface and a battery voltage input interface, wherein the dry contact state input interface, the temperature sampling input interface, the power grid voltage input interface and the battery voltage input interface are respectively in one-to-one correspondence connection with the dry contact state output interface, the temperature sampling output interface, the power grid voltage output interface and the battery voltage output interface.
Optionally, the signal output interface comprises an RS485 interface.
Optionally, the temperature signal generator comprises a resistor with a preset resistance value.
Optionally, the upper computer includes a display device and a data processing device, the display device is connected to the data processing device, and the data processing device is connected to the control board via the signal output interface.
The sampling plate test platform is provided with the analog signal plate, the control plate and the upper computer, wherein the temperature signal generator, the voltage simulator and the power circuit on the analog signal plate are respectively correspondingly connected with the temperature sampling interface, the voltage sampling interface and the power interface of the sampling plate, so that a temperature sensor, a power grid voltage and a battery voltage can be simulated, power can be supplied to the sampling plate in the test process, the control plate is connected with the sampling signal output port of the sampling plate, the sampling signal can be converted into a digital signal and output to the upper computer, the upper computer can determine errors of each sampling function of the sampling plate according to the sampling signal and a preset value, and further judge whether the sampling plate meets a working standard, automatic test of multiple functions of the sampling plate is realized, the test efficiency is improved, and the test cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a sampling plate test platform and a sampling plate according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another sampling plate testing platform and a sampling plate according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a further sample plate test platform and sample plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a further sample plate test platform and sample plate according to an embodiment of the present invention;
fig. 5 is a schematic view of a display screen of a display device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment of the utility model provides a sampling plate test platform which is applied to testing of a sampling plate. Fig. 1 is a schematic structural diagram of a sampling plate test platform and a sampling plate according to an embodiment of the present invention, and referring to fig. 1, a sampling plate 101 includes a power interface a, a voltage sampling interface b, a temperature sampling interface c, and a sampling signal output interface d; the power interface a is used for accessing a power supply; the voltage sampling interface b is used for collecting the voltage of a power grid or the voltage of a battery; the temperature sampling interface c is used for collecting an environment temperature signal sent by the temperature sensor; the sampling signal output interface d is used for outputting a sampling signal.
Specifically, the sampling plate 101 may be disposed in a photovoltaic inverter or an energy storage converter, and may collect an operating parameter of the photovoltaic inverter or the energy storage converter. Under normal operation, the power interface a of the sampling board 101 may be electrically connected to an external power supply, which may provide power to the sampling board 101. The voltage sampling interface b can be respectively connected with a power grid line and a battery line of the photovoltaic inverter or the energy storage converter, and can collect power grid voltage, inverter voltage, battery voltage and battery bus voltage. The temperature acquisition interface is connected with a temperature sensor arranged in the photovoltaic inverter or the energy storage converter and can acquire an environment temperature signal of the photovoltaic inverter or the energy storage converter in working. The sampling signal output interface d can be connected with a peripheral display device, a storage device or other control devices, and can output the collected voltage signal and temperature signal.
The sample plate test platform 102 comprises: an analog signal board 103, a control board 104 and an upper computer 105; the analog signal board 103 comprises a temperature signal generator 106, a voltage simulator 107 and a power circuit 108, wherein the temperature signal generator 106 is connected with the temperature sampling interface c and is used for simulating a temperature signal of the temperature sensor; the voltage simulator 107 is respectively connected with the power circuit 108 and the voltage sampling interface b, and is used for generating a preset voltage and transmitting the preset voltage to the voltage sampling interface b; the power circuit 108 is connected with the power interface a and is used for supplying power to the sampling plate 101 to be tested; the control board 104 comprises a signal input interface e, a signal processing circuit (not shown in the figure) and a signal output interface f, wherein the signal input interface e is connected with the sampling signal output interface d; the signal processing circuit is respectively connected with the signal input interface e and the signal output interface f and is used for processing the sampling signal; the signal output interface f is connected to the upper computer 105.
Specifically, the sampling board testing platform 102 may simulate a signal collected by the sampling board 101, input the signal to a port corresponding to the sampling board 101, and determine whether the sampling board 101 functions normally according to the sampling signal output by the sampling board 101. During the test, the analog signal board 103 may be connected to a corresponding interface on the sampling board 101, and various circuits in the sampling board 101 may simulate various signals collected by the sampling board 101 and output the signals to the sampling board 101 through various ports. The temperature signal generator 106 is connected to the temperature sampling interface c of the sampling board 101, and can simulate the temperature signal of the temperature sensor. For example, if the temperature signal sent by the temperature sensor in the photovoltaic inverter or the energy storage converter where the sampling board 101 is located is a current signal, the temperature signal generator 106 may be set as a constant current source to simulate the temperature signal sent by the temperature sensor, where a current level of the constant current source corresponds to a preset temperature value, and the upper computer 105 may determine the accuracy of the temperature collection function of the sampling board 101 according to an error between the temperature value corresponding to the collected current signal and the preset temperature value. The voltage simulator 107 is connected to the voltage sampling interface b of the sampling board 101, may be a voltage source, simulates an ac voltage of a power grid or a dc voltage of a battery, and outputs the voltage to the voltage sampling interface b. Exemplarily, the voltage sampling interface b of the sampling plate 101 may include a dc voltage sampling interface b and an ac voltage sampling interface b, the voltage simulator 107 may be a dc voltage source, in the testing process, the voltage simulator 107 outputs a preset dc voltage to the dc voltage sampling interface b and the ac voltage sampling interface b, the control board 104 may convert the sampling signal of the sampling plate 101 into a digital signal and send the digital signal to the upper computer 105, and the upper computer 105 calculates an error between the sampling voltage value and the preset voltage value in the sampling signal, thereby implementing the test of two voltage sampling functions of the sampling plate 101. The power circuit 108 may be a switching power supply that is connected to the power interface a on the sampling board 101 during testing to provide power to the sampling board 101. In the test process, the signal input interface e of the control board 104 is connected with the sampling signal output interface d of the sampling board 101, the signal processing circuit can convert the sampling signal output by the sampling board 101 into a digital signal from an analog signal and transmit the digital signal to the upper computer 105 through the signal output interface f, exemplarily, the signal processing circuit can comprise an analog-digital conversion circuit and a digital-analog conversion circuit, the digital-analog conversion circuit can be connected with the analog signal board 103, the control signal sent by the upper computer 105 can be converted into an analog signal from a digital signal and output the analog signal board 103, and the state parameters of the temperature signal generator 106, the voltage simulator 107 and the power circuit 108 on the analog signal board 103 are controlled. The upper computer 105 can be equipment with data processing and control functions, can judge whether the error of each sampling function of the sampling plate 101 reaches the standard or not according to the converted sampling signal output by the control plate 104, and can also output a control signal to control the parameter of the analog signal plate 103.
The sampling plate test platform provided by the embodiment of the utility model is provided with the analog signal plate, the control plate and the upper computer, wherein the temperature signal generator, the voltage simulator and the power circuit on the analog signal plate are respectively and correspondingly connected with the temperature sampling interface, the voltage sampling interface and the power interface of the sampling plate, so that a temperature sensor, a power grid voltage and a battery voltage can be simulated, power can be supplied to the sampling plate in the test process, the control plate is connected with the sampling signal output port of the sampling plate, the sampling signal can be converted into a digital signal and output to the upper computer, the upper computer can determine errors of each sampling function of the sampling plate according to the sampling signal and a preset value, and further judge whether the sampling plate meets the working standard, the automatic test of multiple functions of the sampling plate is realized, the test efficiency is improved, and the test cost is reduced.
Fig. 2 is a schematic structural diagram of another sampling plate testing platform and a sampling plate according to an embodiment of the present invention, referring to fig. 2, optionally, the sampling plate 101 further includes a dry contact state interface g, a relay 202, a relay control interface h, and a relay state indicator 203, where the dry contact state interface g is used to acquire a state signal of the relay 202; the relay control interface h is connected with the relay 202 and used for controlling the on-off state of the relay 202; the relay state indicator lamp 203 is connected with the relay 202 and used for indicating the on-off state of the relay 202; the sampling signal output interface comprises a dry contact state output interface j, a temperature sampling output interface k, a power grid voltage output interface l and a battery voltage output interface m. The analog signal board 103 further comprises a switch signal simulator 201, and the switch signal simulator 201 is connected with the dry contact state interface g and used for generating a switch signal; the control board 104 further includes a relay 202 control signal output port, the relay control signal output port i is respectively connected with the signal processing circuit and the relay control interface h, and the signal processing circuit is further configured to convert the relay 202 control signal output by the upper computer 105 into an analog signal. The signal input interface e comprises a dry contact state input interface n, a temperature sampling input interface o, a power grid voltage input interface p and a battery voltage input interface q, and the dry contact state input interface n, the temperature sampling input interface o, the power grid voltage input interface p and the battery voltage input interface q are respectively connected with a dry contact state output interface j, a temperature sampling output interface k, a power grid voltage output interface l and a battery voltage output interface m in a one-to-one corresponding mode.
Specifically, under the condition of normal operation, the dry contact state interface g may be connected to various relays 202 in the photovoltaic inverter or the energy storage converter, and may detect whether a current passes through the relays 202, thereby implementing the collection of the on-off state of the relays 202. The relay 202 may be, for example, a relay 202 between a converter (or inverter) and a grid line, a relay 202 between a converter (or inverter) and a battery, or a relay 202 in a photovoltaic inverter or an energy storage converter for other functions. The relay 202 can be directly disposed on the sampling board 101, and connected to the relay control interface h, and can directly switch states according to a control signal received by the relay control interface h. The relay status indicator 203 is connected to the relay 202, and may switch its own status according to the on or off of the relay 202, for example, the relay status indicator 203 may be turned on when the relay 202 is turned on, and turned off when the relay 202 is turned off, and may directly indicate the status of the relay 202 for a user.
The analog signal board 103 is further provided with a switch signal simulator 201, which is electrically connected with the dry contact state interface g of the sampling board 101 in the test process, can simulate the switch signal of the circuit breaker, and transmits the switch signal to the dry contact state interface g. Sampling board 101 can generate sampling signal according to switching signal and send to control panel 104, and control panel 104 carries out analog-to-digital conversion with sampling signal and transmits to host computer 105 after handling, and host computer 105 can be unanimous with the trunk contact state sampling function normal work of judging sampling board 101 with the state of predetermineeing according to the on-off state that sampling signal corresponds. Illustratively, the switching signal simulator 201 may include a short line short through which current flows, and the short line may simulate the conductive state of the relay 202. The dry contact state interface g can generate a sampling signal when detecting that a current flows through the short-circuit line, the sampling signal includes the conduction information of the relay 202, and the upper computer 105 can confirm that the dry contact state sampling function of the sampling plate 101 is normal after receiving the conduction information in the sampling signal. The signal processing circuit on the control board 104 can receive the relay 202 control signal sent by the upper computer 105, convert the control signal into an analog signal and output the analog signal through the relay control signal output port i. The relay 202 on the sampling plate 101 can switch its state according to the relay 202 control signal. When the relay 202 is turned on, the relay state indicator lamp 203 corresponding to the relay 202 is turned on, and the worker can determine whether the relay 202 and the relay state indicator lamp 203 on the sampling shift work normally according to the state of the indicator lamp. The signal output interface f of the control board 104 may be an RS485 interface, and may implement serial communication with the upper computer 105.
The sampling board test platform that this embodiment provided, the analog signal board still includes the switching signal simulator, can simulate the switching signal of relay, the sampling function of the dry contact state of test sampling board, relay control signal output port can be according to the analog signal that relay control signal output of host computer output corresponds, with the function of relay and pilot lamp on the test sampling board, signal input interface still includes a plurality of interfaces, correspond the output interface on the connection sampling board respectively, can realize the test to the multiple adoption function of sampling board, the test procedure can realize automaticly, a plurality of signal interface separation, signal interference has been prevented, the reliability of test result has been improved.
Fig. 3 is a schematic structural diagram of another sampling plate testing platform and a sampling plate according to an embodiment of the present invention, and referring to fig. 3, optionally, the voltage sampling interface b includes a grid voltage collecting interface r and a battery voltage collecting interface s, where the grid voltage collecting interface r is used to collect an ac voltage at a grid end; the battery voltage acquisition interface s is used for acquiring direct-current voltage of a battery end; the voltage simulator 107 comprises an alternating voltage simulator 301 and a direct voltage simulator 302, wherein the alternating voltage simulator 301 is connected with the power grid voltage acquisition interface r and is used for generating and outputting a preset alternating voltage; the dc voltage simulator 302 is connected to the battery voltage collecting interface s, and is configured to generate and output a preset dc voltage.
Specifically, under the condition of normal operation, the grid voltage acquisition interface r may be connected to a grid line to which the photovoltaic inverter or the energy storage converter is connected, and may acquire the grid voltage. The battery voltage acquisition interface s can be connected with a battery or a photovoltaic battery connected with the photovoltaic inverter or the energy storage converter, and can acquire the voltage of the battery or the photovoltaic battery. The direct current voltage simulator 302 can be a direct current voltage source, and in the test process, the direct current voltage simulator 302 outputs preset direct current voltage to the battery voltage sampling interface b, the control panel 104 can convert the sampling signal of the sampling plate 101 into a digital quantity signal and send the digital quantity signal to the upper computer 105, and the upper computer 105 calculates the error between the sampling voltage value in the sampling signal and the preset direct current voltage, so that the direct current voltage sampling function of the sampling plate 101 is tested. Alternating voltage simulator 301 can be alternating voltage source, and in the test procedure, alternating voltage simulator 301 exports preset alternating voltage to grid voltage sampling interface b, and control panel 104 can convert the sampling signal of sampling board 101 into digital quantity signal transmission to host computer 105, and host computer 105 calculates the error of sampling voltage value in the sampling signal and preset alternating voltage to the realization is to the test of the alternating voltage sampling function of sampling board 101. It should be noted that, a plurality of switch signal simulators 201, temperature signal generators 106, voltage simulators 107, or relay control signal output ports i may be provided, corresponding to the number of interfaces on the acquisition board, or one simulator or generator may correspond to a plurality of interfaces on the acquisition board, and may be provided according to actual needs.
With continued reference to fig. 3, optionally, the temperature signal generator 106 includes a resistor of a preset resistance value.
Specifically, during normal operation, the temperature sensor may be a temperature sensing resistor, and the resistance value thereof changes with the change of the ambient temperature. The temperature signal generator 106 is set to be a resistor with a fixed resistance value, the fixed resistor corresponds to a preset temperature value, the upper computer 105 can perform temperature information and preset temperature values according to the sampling plate 101, and the temperature sampling function of the sampling plate 101 is tested.
Fig. 4 is a schematic structural diagram of another sampling board testing platform and a sampling board according to an embodiment of the present invention, and fig. 5 is a schematic diagram of a display screen of a display device according to an embodiment of the present invention. With reference to fig. 4 and 5, optionally, the upper computer 105 includes a display device 401 and a data processing device 402, the display device 401 is connected to the data processing device 402, and the data processing device 402 is connected to the control board 104 via the signal output interface f.
Specifically, a signal receiving layer may be touched on a screen of the display device 401, and the display device 401 may display a test result and a test result parameter of each function of the sampling board 101, and may also input a corresponding control signal by clicking different positions of the screen to start a test on each function of the sampling board 101.
The sampling plate test platform provided by the utility model is provided with the analog signal plate, the control plate and the upper computer, wherein the temperature signal generator, the voltage simulator and the power circuit on the analog signal plate are respectively correspondingly connected with the temperature sampling interface, the voltage sampling interface and the power interface of the sampling plate, so that a temperature sensor, a power grid voltage and a battery voltage can be simulated, power can be supplied to the sampling plate in the test process, the control plate is connected with the sampling signal output port of the sampling plate, the sampling signal can be converted into a digital signal and output to the upper computer, the upper computer can determine errors of each sampling function of the sampling plate according to the sampling signal and a preset value, and further judge whether the sampling plate meets a working standard, so that automatic tests on multiple functions of the sampling plate are realized, the test efficiency is improved, and the test cost is reduced.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A sampling plate test platform is characterized in that a sampling plate comprises a power supply interface, a voltage sampling interface, a temperature sampling interface and a sampling signal output interface; the power interface is used for accessing a power supply; the voltage sampling interface is used for collecting the voltage of a power grid or the voltage of a battery; the temperature sampling interface is used for acquiring an environment temperature signal sent by the temperature sensor; the sampling signal output interface is used for outputting a sampling signal;
the sampling plate test platform comprises: the system comprises an analog signal plate, a control plate and an upper computer;
the analog signal board comprises a temperature signal generator, a voltage simulator and a power circuit, wherein the temperature signal generator is connected with the temperature sampling interface and is used for simulating a temperature signal of the temperature sensor; the voltage simulator is respectively connected with the power circuit and the voltage sampling interface and is used for generating a preset voltage and transmitting the preset voltage to the voltage sampling interface; the power circuit is connected with the power interface and is used for supplying power to the sampling plate;
the control panel comprises a signal input interface, a signal processing circuit and a signal output interface, and the signal input interface is connected with the sampling signal output interface; the signal processing circuit is respectively connected with the signal input interface and the signal output interface and is used for processing the sampling signal; the signal output interface is connected with the upper computer.
2. The sampling board test platform of claim 1, wherein the sampling board further comprises a dry contact status interface for collecting a status signal of a relay;
the analog signal board further comprises a switch signal simulator, and the switch signal simulator is connected with the dry contact state interface and used for generating a switch signal.
3. The sampling plate test platform of claim 2, wherein the sampling plate further comprises a relay, a relay control interface and a relay status indicator light, the relay control interface is connected with the relay for controlling the on-off status of the relay; the relay state indicating lamp is connected with the relay and used for indicating the on-off state of the relay;
the control panel also comprises a relay control signal output port which is respectively connected with the signal processing circuit and the relay control interface, and the signal processing circuit is also used for converting the relay control signal output by the upper computer into an analog signal.
4. The sample plate test platform of claim 2, wherein said switch signal simulator comprises a shorting bar, wherein current flows through said shorting bar, and wherein said shorting bar is configured to simulate the on-state of said relay.
5. The sampling plate test platform of claim 2, wherein the voltage sampling interface comprises a grid voltage acquisition interface for acquiring an alternating voltage at a grid end;
the voltage simulator comprises an alternating voltage simulator and a direct voltage simulator, and the alternating voltage simulator is connected with the power grid voltage acquisition interface and used for generating and outputting a preset alternating voltage.
6. The sampling plate test platform of claim 5, wherein said voltage sampling interface further comprises a battery voltage collection interface for collecting a dc voltage at a battery terminal;
the voltage simulator also comprises a direct-current voltage simulator, and the direct-current voltage simulator is connected with the battery voltage acquisition interface and used for generating and outputting preset direct-current voltage.
7. The sampling board test platform of claim 6, wherein the sampling signal output interface comprises a dry contact status output interface, a temperature sampling output interface, a grid voltage output interface, and a battery voltage output interface;
the signal input interface comprises a dry contact state input interface, a temperature sampling input interface, a power grid voltage input interface and a battery voltage input interface, wherein the dry contact state input interface, the temperature sampling input interface, the power grid voltage input interface and the battery voltage input interface are respectively in one-to-one correspondence connection with the dry contact state output interface, the temperature sampling output interface, the power grid voltage output interface and the battery voltage output interface.
8. The sampling plate test platform of claim 1, wherein said signal output interface comprises an RS485 interface.
9. The sample plate test platform of claim 1 wherein said temperature signal generator comprises a resistor of a predetermined resistance.
10. The sampling plate test platform of claim 1, wherein the upper computer comprises a display device and a data processing device, the display device is connected with the data processing device, and the data processing device is connected with the control board through the signal output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220296002.XU CN216900808U (en) | 2022-02-14 | 2022-02-14 | Sampling plate test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220296002.XU CN216900808U (en) | 2022-02-14 | 2022-02-14 | Sampling plate test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216900808U true CN216900808U (en) | 2022-07-05 |
Family
ID=82182436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220296002.XU Active CN216900808U (en) | 2022-02-14 | 2022-02-14 | Sampling plate test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216900808U (en) |
-
2022
- 2022-02-14 CN CN202220296002.XU patent/CN216900808U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806857B (en) | Online fault diagnostic apparatus for circuit board | |
| CN203069753U (en) | Final-inspection bench for vacuum circuit breaker | |
| CN104020376A (en) | Three-remote automatic testing method for power distribution terminal | |
| CN115856588A (en) | Chip test board and test method | |
| CN105846263A (en) | USB adapter cable, charging testing method and charging testing system of mobile terminal | |
| CN110618327A (en) | Mobile distribution automation test equipment and test method thereof | |
| CN112810837B (en) | Flight parameter recorder test system and test method | |
| CN214504211U (en) | Flying parameter recorder test system | |
| CN216900808U (en) | Sampling plate test platform | |
| CN112578206A (en) | Performance testing device for battery management system | |
| CN103995207A (en) | Three-remote automatic test device for power distribution terminal | |
| CN203673037U (en) | Automatic circuit board detection tool of intelligent electric energy meter | |
| CN210465605U (en) | Multifunctional circuit board fault intelligent detection system | |
| CN206147335U (en) | Detecting system suitable for electric control system | |
| CN113702732A (en) | Portable direct current charging pile fault testing system and detection method thereof | |
| CN109342971B (en) | Fill electric pile part quality detecting system and fill electric pile part detecting system of alternating current direct current | |
| CN112165162B (en) | Ground power supply control system of carrier rocket | |
| CN210639245U (en) | Automatic testing arrangement of multi-functional circuit board and system | |
| CN102116800A (en) | Multi-resistance measuring method for satisfying wireless signal output and measuring device | |
| CN210604819U (en) | Test system for LoRa wireless data collector | |
| CN214225762U (en) | Automatic testing device for control computer assembly | |
| CN212112228U (en) | Portable battery management system host system detection device | |
| CN220381223U (en) | Switching value contact output performance detection device | |
| CN219224837U (en) | Automatic testing system for circuit plug-in | |
| CN211375337U (en) | Crane electrical performance detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |