CN212675146U - Device for testing wind power wiring harness - Google Patents
Device for testing wind power wiring harness Download PDFInfo
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- CN212675146U CN212675146U CN202021022600.5U CN202021022600U CN212675146U CN 212675146 U CN212675146 U CN 212675146U CN 202021022600 U CN202021022600 U CN 202021022600U CN 212675146 U CN212675146 U CN 212675146U
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Abstract
The utility model discloses a test wind-powered electricity generation pencil's device, including PLC: the device is used for controlling each module in the device; an RS485 module: the PLC is used for receiving a display signal of the PLC; HMI touch-sensitive screen: the display device is used for receiving the display signal transmitted by the RS485 and displaying the specified content; the cable detection interface: the system is used for connecting an external wind power wiring harness to be tested; the relay control circuit: switching the on-resistance measurement and the insulation resistance measurement of the wind power wiring harness; the signal acquisition circuit: the device is used for collecting signals transmitted by the wind power wiring harness, carrying out A/D conversion, transmitting the signals to the PLC, and can be operated by a worker in the device for testing the wind power wiring harness, the accuracy rate is close to 100%, the insulation resistance and the on-resistance of a cable can be measured by both the correct and wrong test wiring harness connection, the safety of the test is improved, the operation is simple and convenient, and the practical value of the device is improved.
Description
Technical Field
The utility model relates to a wind-powered electricity generation becomes oar production corollary equipment field, concretely relates to device of test wind-powered electricity generation pencil.
Background
Wind-powered electricity generation becomes oar system's pencil, the cable is various, the condition of installation mistake or the inside broken string of cable appears easily in the installation, if can not confirm that there is the short circuit or damage the risk of becoming interior components and parts of oar system in the intact condition of pencil, current artifical cable mode needs two people cooperation work, still need be very familiar with the pencil wiring, the loaded down with trivial details work load of testing process is big and make mistakes easily, low speed, the precision is low, can't satisfy the modernization requirement of detecting, so design a device for testing wind-powered electricity generation pencil is imperative.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome foretell not enough, provide a device of test wind-powered electricity generation pencil.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a device for testing wind power wiring harness comprises
PLC: the device is used for controlling each module in the device;
an RS485 module: the PLC is used for receiving a display signal of the PLC;
HMI touch-sensitive screen: the display device is used for receiving the display signal transmitted by the RS485 and displaying the specified content;
the cable detection interface: the system is used for connecting an external wind power wiring harness to be tested;
the relay control circuit: switching the on-resistance measurement and the insulation resistance measurement of the wind power wiring harness;
the signal acquisition circuit: the system is used for acquiring signals transmitted by a wind power harness, performing A/D conversion and transmitting the signals to a PLC (programmable logic controller), wherein a signal acquisition circuit is an A/D conversion circuit;
the relay control circuit is electrically connected with a constant voltage source and a high voltage power supply, namely a switching circuit, can be switched between the constant voltage source and the high voltage power supply, and can be used for measuring the on-resistance when the constant voltage source is switched on and measuring the insulation resistance when the high voltage power supply is switched on.
In the device for testing the wind power wiring harness, a program corresponding to the wiring harness to be tested is selected on an HMI touch screen in advance, then a connector base corresponding to the tested wiring harness is installed, the tested cable is installed on the base after both ends of the tested cable are installed, the test is started by clicking on the touch screen, if the test is not passed, the problem of a few wires is displayed on a display screen, if the test is passed, the test of the next cable can be started, the cable with the connectors with 20-40 wiring harnesses can be tested at one time (the quantity can be expanded), the connector type can be changed according to the wiring harnesses testing different connectors, the change is flexible, the device can be operated by one person, the manual operation error is eliminated, the accuracy rate is close to 100%, the correct error of the wiring harness connection can be tested, the insulation resistance of the cable can also be measured, the device is safe and simple and convenient to operate, greatly reducing the risk of misoperation and injury.
When the on-resistance is measured, the on-resistance of the measured cable can be measured according to the ohm law R which is U/I; when measuring insulation resistance, according to the principle of circuit voltage division
Calculating insulation resistance RxAnd displaying the test result on an HMI screen, and extracting data by a tester.
Preferably, a filter circuit is arranged between the relay control circuit and the signal acquisition circuit.
Preferably, the device further comprises a power supply module and a power plug, wherein the power plug is electrically connected with each module in the device through the power supply module.
Preferably, the high-voltage power supply outputs 150V power.
Preferably, the cable detection interface is a heavy-duty connector, and the interface can be expanded by selecting different models to detect more harnesses.
The utility model has the advantages that: in the device for testing the wind power wiring harness, the device can be operated by one worker, the accuracy rate is close to 100%, the insulation resistance and the on-resistance of a cable can be measured by the correct and wrong connection of the wiring harness, the safety of the test is improved, the operation is simple and convenient, and the practical value of the device is improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of a measuring circuit of the wind power harness on-resistance of the present invention;
FIG. 3 is a schematic diagram of a measuring circuit of the insulation resistance of the wind power harness of the present invention;
FIG. 4 is a flow chart of the wiring sequence test of the present invention;
fig. 5 is a flow chart of the testing of the on-resistance of the wind power harness of the present invention;
fig. 6 is a test flow chart of the wind power harness insulation resistance of the present invention.
In the figure: the system comprises a PLC (programmable logic controller), a RS485 module, a HMI (human machine interface) touch screen, a signal acquisition circuit, a filter circuit, a relay control circuit, a cable detection interface, a high-voltage power supply, a constant-voltage power supply, a power supply module and a power plug, wherein the signal acquisition circuit is 1, the filter circuit is 5, the relay control circuit is 6, the cable detection interface is 7, the high-voltage power supply is 8, the constant-voltage power supply.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in FIGS. 1-3, a device for testing a wind power harness comprises
PLC 1: the device is used for controlling each module in the device;
and 2, an RS485 module: the display device is used for receiving a display signal of the PLC 1;
HMI touch screen 3: the display device is used for receiving the display signal transmitted by the RS485 and displaying the specified content;
cable detection interface 7: the system is used for connecting an external wind power wiring harness to be tested;
relay control circuit 6: switching the on-resistance measurement and the insulation resistance measurement of the wind power wiring harness;
the signal acquisition circuit 4: the system is used for collecting signals transmitted by the wind power wiring harness, performing A/D conversion and transmitting the signals to the PLC 1;
the relay control circuit 6 is electrically connected with a constant voltage source 9 and a high voltage power supply 8, the relay control circuit 6 is a switching circuit, switching can be performed between the constant voltage source 9 and the high voltage power supply 8, on-resistance measurement is performed when the constant voltage source 9 is switched on, and insulation resistance measurement is performed when the high voltage power supply 8 is switched on.
In this device of test wind-powered electricity generation pencil, both can test the insulation resistance that the correct mistake that the pencil is connected can also measure the cable, and then the device safety, easy and simple to handle, greatly reduced misoperation and injured risk.
In this example: be equipped with filter circuit 5 between relay control circuit 6 and the signal acquisition circuit 4, the constant current source or the high voltage power supply 8 that relay control circuit 6 switched over are connected on waiting to detect the pencil, have produced analog signal, can filter the interference signal in the signal through filter circuit 5 this moment, and then can make the signal that signal acquisition circuit 4 gathered reliable and stable.
In this example: the power supply device further comprises a power supply module 10 and a power supply plug 11, wherein the power supply plug 11 is electrically connected with each module in the device through the power supply module 10, and the high-voltage power supply 8 outputs 150V power.
In this example: the cable detection interface 7 is a heavy-duty connector, and the interface can be expanded by selecting different models to detect more wiring harnesses.
Example 1:
as shown in fig. 4: the procedure that the pencil that will wait to detect corresponds in advance selects on HMI touch-sensitive screen 3, then install the connector base that corresponds with the pencil that surveys, will be surveyed the cable and install to the base after both ends are all installed, click on the touch-sensitive screen and begin the test, if the test does not pass, then can show several wiring problem on the display screen, if the test passes, then can show that the test passes, can begin the test of next cable, can once test the cable (quantity extensible) that has the connector of 20 ~ 40 pencil, can change the connector type according to the pencil of testing different connectors, the change is nimble, just can operate alone, get rid of manual operation mistake, the rate of accuracy is close to 100%.
Example 2:
as shown in fig. 5: measuring the on-resistance: the PLC controls the relay control circuit 6 to be switched to a constant current source in advance, then a program corresponding to a wire harness to be detected is selected on the HMI touch screen 3, then a connector base corresponding to the wire harness to be detected is installed, a cable to be detected is installed on the base after the installation of the two ends of the cable is finished, the test is started by clicking on the touch screen, and finally a test result is displayed on the HMI touch screen 3. .
Example 3:
as shown in fig. 6: measuring insulation resistance: the PLC controls the relay control circuit 6 to be switched to a high-voltage power supply in advance, then a program corresponding to a wire harness to be detected is selected on the HMI touch screen 3, then a connector base corresponding to the wire harness to be detected is installed, a cable to be detected is installed on the base after the installation of two ends of the cable is finished, the test is started by clicking on the touch screen, and finally a test result is displayed on the HMI touch screen 3.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a device of test wind-powered electricity generation pencil which characterized in that: comprises that
PLC: the device is used for controlling each module in the device;
an RS485 module: the PLC is used for receiving a display signal of the PLC;
HMI touch-sensitive screen: the display device is used for receiving the display signal transmitted by the RS485 and displaying the specified content;
the cable detection interface: the system is used for connecting an external wind power wiring harness to be tested;
the relay control circuit: switching the on-resistance measurement and the insulation resistance measurement of the wind power wiring harness;
the signal acquisition circuit: the system is used for collecting signals transmitted by the wind power wiring harness, performing A/D conversion and transmitting the signals to the PLC;
the relay control circuit is electrically connected with a constant voltage source and a high voltage power supply.
2. The device for testing the wind power harness according to claim 1, wherein: and a filter circuit is arranged between the relay control circuit and the signal acquisition circuit.
3. The device for testing the wind power harness according to claim 1, wherein: the power supply device further comprises a power supply module and a power supply plug, wherein the power supply plug is electrically connected with each module in the device through the power supply module.
4. The device for testing the wind power harness according to claim 1, wherein: the high-voltage power supply outputs 150V power supply.
5. The device for testing the wind power harness according to claim 1, wherein: the cable detection interface is a heavy-duty connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021022600.5U CN212675146U (en) | 2020-06-07 | 2020-06-07 | Device for testing wind power wiring harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021022600.5U CN212675146U (en) | 2020-06-07 | 2020-06-07 | Device for testing wind power wiring harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212675146U true CN212675146U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021022600.5U Active CN212675146U (en) | 2020-06-07 | 2020-06-07 | Device for testing wind power wiring harness |
Country Status (1)
| Country | Link |
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| CN (1) | CN212675146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075588A (en) * | 2021-03-10 | 2021-07-06 | 天津捷强动力装备股份有限公司 | System special for JQB3 project line bundle detection |
| CN114113791A (en) * | 2021-11-30 | 2022-03-01 | 北京邦卓尔微电子有限公司 | System and method for testing insulation resistance and on-resistance of connector |
-
2020
- 2020-06-07 CN CN202021022600.5U patent/CN212675146U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075588A (en) * | 2021-03-10 | 2021-07-06 | 天津捷强动力装备股份有限公司 | System special for JQB3 project line bundle detection |
| CN114113791A (en) * | 2021-11-30 | 2022-03-01 | 北京邦卓尔微电子有限公司 | System and method for testing insulation resistance and on-resistance of connector |
| CN114113791B (en) * | 2021-11-30 | 2022-06-10 | 北京邦卓尔微电子有限公司 | System and method for testing insulation resistance and on-resistance of connector |
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| GR01 | Patent grant | ||
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Address after: 214000 Building A, Standard Workshop Phase II, Runzhou Road, Industrial Transformation Cluster, Huishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Naquan Hongyuan New Energy Technology Co.,Ltd. Address before: 214400 No.95 Yueshan Road, Yuecheng Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYIN HONGYUAN NEW ENERGY TECHNOLOGY CO.,LTD. |