CN211955695U - Automatic test device of shielding efficiency of shielding clothes - Google Patents
Automatic test device of shielding efficiency of shielding clothes Download PDFInfo
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- CN211955695U CN211955695U CN202020393323.2U CN202020393323U CN211955695U CN 211955695 U CN211955695 U CN 211955695U CN 202020393323 U CN202020393323 U CN 202020393323U CN 211955695 U CN211955695 U CN 211955695U
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Abstract
The utility model relates to an automatic test device of shielding efficiency of shielding clothes, including software host computer, test electrode assembly, power frequency voltage generator and boost host computer, test electrode assembly and power frequency voltage generator, boost host computer electrical connection boost host computer include voltage measuring device, resistance measuring device and analog-to-digital conversion device at least, voltage measuring device, resistance measuring device and analog-to-digital conversion device electrical connection, analog-to-digital conversion device and software host computer communication connection; the software host is electrically connected with the power frequency voltage generator and controls the voltage output of the power frequency voltage generator. The utility model discloses a software host computer will step up the measured data automatic analysis that the host computer gathered and form final test result, whether can monitor the electrical parameter of experimental equipment up to standard simultaneously, the exactness of assurance test. In addition, the software host can actively cut off high voltage after the current testing step is finished, so that the personal safety of testers is guaranteed.
Description
Technical Field
The utility model relates to a live working instrument check out test set field especially relates to an automatic test device of shielding efficiency of shielding clothes.
Background
In order to ensure the personal safety of live working personnel, the live working shielding clothes must pass through the shielding efficiency detection, and the shielding efficiency is ensured to meet the requirements. Most of the existing detection equipment adopts a mode of manually calculating the shielding efficiency value, and the shielding efficiency value of a shielding clothes sample cannot be quickly obtained. In addition, because of cost, a manual mode is usually adopted when the test article is replaced, and if the high voltage is not cut off, the human body injury is caused to the testing personnel by manually replacing the test article.
Disclosure of Invention
An object of the utility model is to provide an automatic test device of shielding efficiency of shielding clothes can calculate the shielding efficiency of shielding clothes sample fast automatically, cuts off the high pressure in the initiative before artifical replacement sample moreover, guarantees testing personnel's personal safety.
In order to achieve the technical purpose, the utility model discloses an automatic test device for shielding efficiency of shielding clothes, which comprises a software host, a testing electrode device, a power frequency voltage generator for providing testing voltage and a boosting host for collecting testing data, wherein the boosting host comprises a voltage measuring device, a resistance measuring device and an analog-to-digital conversion device; the test electrode device is electrically connected with the power frequency voltage generator and the boosting host, the voltage measuring device and the resistance measuring device are electrically connected with the analog-to-digital conversion device, and the analog-to-digital conversion device is in communication connection with the software host; the software host is electrically connected with the power frequency voltage generator and controls the voltage output of the power frequency voltage generator.
Preferably, the mode of controlling the voltage output of the power frequency voltage generator by the software host is that the software host controls a relay arranged on a voltage output line of the power frequency voltage generator.
Preferably, the software host computer is provided with a touch display screen and a voice broadcasting device for reminding a tester of operation.
Preferably, the test electrode device is sequentially provided with a pressurizing electrode, a first insulating plate, a receiving electrode, a second insulating plate and a base from top to bottom, the pressurizing electrode is provided with a first high-voltage wiring terminal, a low-voltage wiring terminal and a load connected between the first high-voltage wiring terminal and the low-voltage wiring terminal, and the receiving electrode is provided with a second high-voltage wiring terminal; the shielding clothes sample is placed between the pressure electrode and the first insulating plate.
Preferably, the resistance of the load is 2M Ω.
Preferably, the voltage applying electrode is cylindrical, the first insulating plate, the receiving electrode and the second insulating plate are circular plate-shaped and coaxial, and the first insulating plate and the second insulating plate are equal in size and can completely wrap the receiving electrode.
Preferably, a plurality of insulating columns convenient for positioning the first insulating plate and the second insulating plate are arranged on the base.
Preferably, four borders of base all are equipped with horizontal post, but four angles of base all are equipped with height-adjusting's footing.
Preferably, the base is further provided with a plurality of placing holes for placing the second high-voltage binding posts, the placing holes are non-circular holes, and the second high-voltage binding posts cannot rotate in the placing holes.
Preferably, the first insulation board is a rubber board, the second insulation board is an epoxy board, and the base is made of acrylic.
The utility model discloses following beneficial effect has:
the utility model discloses a software host computer will step up the measured data automatic analysis that the host computer gathered and form final test result, whether can monitor the electrical parameter of experimental equipment up to standard simultaneously, the exactness of assurance test. In addition, the software host can actively cut off high voltage after the current testing step is finished, so that the personal safety of testers is guaranteed.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is an exploded view of a test electrode assembly.
Description of the main part symbols:
1: software host, 11: display screen, 2: test electrode assembly, 21: pressure electrode, 211: first high voltage terminal, 212: low-voltage terminal, 22: first insulating plate, 23: receiving electrode, 231: second high-voltage terminal, 24: second insulating plate, 25: base, 251: placement hole, 252: insulating column, 253: horizontal column, 254: footing, 3: power frequency voltage generator, 4: boosting host, 5: and (5) testing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-2, the utility model discloses an automatic test device of shielding efficiency of shielding clothes, including software host computer 1, test electrode device 2, power frequency voltage generator 3 and the host computer 4 that steps up. The power frequency voltage generator 3 provides a test voltage for the test electrode device 2, a relay is arranged on a voltage output circuit of the power frequency voltage generator 3, the on-off of the relay is controlled by the software host 1, and therefore the voltage output of the power frequency voltage generator 3 is controlled by the software host 1. In addition, other circuits of the power frequency voltage generator 3 can be modified through software control, the safety level is further improved in a mode of combining software programs, and meanwhile the service life of the equipment is guaranteed.
The test electrode device 2 comprises a cylindrical pressurizing electrode 21, a first insulating plate 22, a receiving electrode 23, a second insulating plate 24 and a base 25 which are sequentially arranged from top to bottom, wherein a first high-voltage binding post 211, a low-voltage binding post 212 and a load connected between the first high-voltage binding post 211 and the low-voltage binding post 212 are arranged on the pressurizing electrode 21, and the load resistance value is 2M omega. The receiving electrode 23 is provided with a second high voltage terminal 231. The high-voltage ends of the voltage output of the power frequency voltage generator 3 are respectively and electrically connected to the first high-voltage binding post 211 and the second high-voltage binding post 231; the low-voltage end of the voltage output of the industrial frequency voltage generator 3 is electrically connected to the low-voltage terminal 212.
The first insulating plate 22 is a circular rubber plate, the second insulating plate 24 is a circular epoxy plate, the first insulating plate 22 and the second insulating plate 24 are equal in size, the receiving electrode 23 is a circular brass plate, the first insulating plate 22, the receiving electrode 23 and the second insulating plate 24 are coaxially arranged, and the first insulating plate 22 and the second insulating plate 24 can completely shield the receiving electrode 23. The second high voltage binding post 231 on the receiving electrode 23 extends out of the two insulating plates, a placing hole 251 for placing the second high voltage binding post 231 is arranged on the base 25, the placing hole 251 is a non-circular hole, the bottom of the second high voltage binding post 231 is matched with the placing hole 251, so that the second high voltage binding post 231 cannot rotate in the placing hole 251, the placing position of the receiving electrode 23 is easy to point, and the wiring of the second high voltage binding post 231 is more convenient. The number of the placing holes 251 can be 1-4, only one placing hole is used when the device is used, and the rest placing holes are reserved for later use. 3 or 4 insulating columns 252 are further arranged on the base 25, and the space surrounded by the insulating columns 252 can be just used for placing the lower first insulating plate 22 and the second insulating plate 24, so that the positioning is easy.
The boosting host 4 comprises a voltage measuring device, a resistance measuring device and an analog-to-digital conversion device, the input ends of the voltage measuring device and the resistance measuring device are electrically connected with a first high-voltage wiring terminal 211 and a low-voltage wiring terminal 212, the output ends of the voltage measuring device and the resistance measuring device are electrically connected with the input end of the analog-to-digital conversion device, and the analog-to-digital conversion device is in communication connection with the software host 1. Analog quantity obtained by measurement of the voltage measuring device and the resistance measuring device is converted into digital quantity through the analog-to-digital conversion device and then is sent to the software host 1, so that the communication anti-interference capacity is stronger, data are not prone to distortion, and the accuracy of the data is guaranteed.
The utility model discloses a theory of operation:
after the circuit is connected, the power supplies of the software host 1, the boosting host 4 and the power frequency voltage generator 3 are respectively turned on, then operation is carried out according to the prompt of the display screen 11, the voice broadcasting device can also carry out voice prompt synchronously, after electrification is completed, the resistance testing device measures the resistance in advance, if the measured value is not in the deviation range allowed by the preset value, the voice broadcasting device gives an alarm, and the software host 1 controls the relay to be disconnected all the time. The resistance measurement value is normal, the voice prompt is about to start pressurization before the test article 5 is loaded, the display screen 11 is clicked and confirmed, then pressurization is carried out, and after the voltage value is reported, the high voltage is cut off. After the voice prompt can load the test article 5, the tester can start to load the test article 5. The test piece 5 is laid flat in the middle of the first insulating plate 22, and the pressurizing electrode 21 is placed in the middle of the test piece 5 so as not to protrude beyond the test piece 5. After the loading is completed, the pressure can be applied after the confirmation is clicked on the display screen 11. And after the voltage measurement value is reported, the high voltage is cut off. The test is completed through voice prompt, and the software host 1 calculates the measurement result to obtain the shielding efficiency value of the shielding clothes and displays the shielding efficiency value in the display screen 11. When high-voltage output exists, the voice broadcasting device broadcasts the warning music or warning words in a circulating mode.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The shielding efficiency automatic test device of the shielding clothes is characterized by comprising a software host, a test electrode device, a power frequency voltage generator for providing test voltage and a boosting host for collecting test data, wherein the boosting host comprises a voltage measuring device, a resistance measuring device and an analog-to-digital conversion device; the test electrode device is electrically connected with the power frequency voltage generator and the boosting host, the voltage measuring device and the resistance measuring device are electrically connected with the analog-to-digital conversion device, and the analog-to-digital conversion device is in communication connection with the software host; the software host is electrically connected with the power frequency voltage generator and controls the voltage output of the power frequency voltage generator.
2. The shielding effectiveness automatic test device of the shielding clothes of claim 1, wherein the software host controls the voltage output of the power frequency voltage generator in a way that the software host controls a relay arranged on a voltage output line of the power frequency voltage generator.
3. The shielding efficiency automatic test device of the shielding clothes of claim 1, wherein the software host is provided with a touch display screen and a voice broadcast device for reminding a tester of operation.
4. The shielding efficiency automatic test device of the shielding clothes according to claim 1, wherein the test electrode device is sequentially provided with a pressurizing electrode, a first insulating plate, a receiving electrode, a second insulating plate and a base from top to bottom, the pressurizing electrode is provided with a first high-voltage wiring terminal, a low-voltage wiring terminal and a load connected between the first high-voltage wiring terminal and the low-voltage wiring terminal, and the receiving electrode is provided with a second high-voltage wiring terminal; the shielding clothes sample is placed between the pressure electrode and the first insulating plate.
5. The shielding effectiveness automatic test device of the shielding clothes of claim 4, wherein the resistance value of the load is 2M Ω.
6. The automatic testing device for shielding efficiency of shielding clothes according to claim 4, wherein the voltage applying electrode is cylindrical, the first insulating plate, the receiving electrode and the second insulating plate are circular plate-shaped and coaxial, and the first insulating plate and the second insulating plate are equal in size and can completely wrap the receiving electrode.
7. The automatic testing device of shielding effectiveness of shielding clothes of claim 6, wherein a plurality of insulating columns are disposed on the base for positioning the first insulating plate and the second insulating plate.
8. The shielding effectiveness automatic test device of the shielding clothes of claim 4, wherein horizontal columns are arranged at four edges of the base, and height-adjustable feet are arranged at four corners of the base.
9. The shielding efficiency automatic test device of the shielding clothes according to claim 4, wherein a plurality of placing holes for placing the second high-voltage binding posts are further arranged on the base, the placing holes are non-circular holes, and the second high-voltage binding posts cannot rotate in the placing holes.
10. The automatic testing device of shielding efficiency of shielding clothes of claim 4, characterized in that, the first insulating plate is a rubber plate, the second insulating plate is an epoxy plate, and the base is made of acrylic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393323.2U CN211955695U (en) | 2020-03-25 | 2020-03-25 | Automatic test device of shielding efficiency of shielding clothes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020393323.2U CN211955695U (en) | 2020-03-25 | 2020-03-25 | Automatic test device of shielding efficiency of shielding clothes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211955695U true CN211955695U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020393323.2U Active CN211955695U (en) | 2020-03-25 | 2020-03-25 | Automatic test device of shielding efficiency of shielding clothes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211955695U (en) |
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2020
- 2020-03-25 CN CN202020393323.2U patent/CN211955695U/en active Active
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