CN211478634U - Comb wave generator performance testing device - Google Patents
Comb wave generator performance testing device Download PDFInfo
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- CN211478634U CN211478634U CN201922398054.9U CN201922398054U CN211478634U CN 211478634 U CN211478634 U CN 211478634U CN 201922398054 U CN201922398054 U CN 201922398054U CN 211478634 U CN211478634 U CN 211478634U
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- wave generator
- comb
- testing device
- attenuator
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Abstract
The utility model relates to the technical field of electronic equipment, especially, relate to a comb wave generator capability test device, including shielded cell, chamber door, testboard, comb wave generator installation position, coaxial cable, attenuator, amplifier, sweep-frequency instrument, power, first stabiliser and second stabiliser, the chamber door sets up in the shielded cell left side, the testboard is fixed to be set up inside the shielded cell, comb wave generator installation position sets up in the testboard upper left side, the amplifier sets up between sweep-frequency instrument and comb wave generator installation position, the attenuator sets up in the amplifier left side. The utility model adopts the integral design of the shielding box, has smaller volume than the traditional anechoic chamber, and is more flexible to install; in addition, the installation position of the comb wave generator can be connected with the comb wave generator, the application range is wider, the comb wave generator is directly connected with the attenuator through a coaxial cable to perform signal testing, a shorter transmission path is provided, and the testing is more accurate.
Description
Technical Field
The utility model relates to an electronic equipment technical field especially relates to a comb wave generator capability test device.
Background
The comb-wave generator performance testing device is a device for testing the performance of the comb-wave generator, and is commonly used for testing the frequency characteristics of the comb-wave, such as amplitude-frequency characteristics, phase-frequency characteristics and the like. The main problems of the prior art are complex structure, large occupied space and complex operation.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned prior art exists, the utility model provides a simple structure, small, easy operation's comb wave generator capability test device.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a performance testing device for a comb-shaped wave generator comprises a shielding box, a box door, a testing platform, a comb-shaped wave generator mounting position, a coaxial cable, an attenuator, an amplifier, a frequency sweep device, a power supply, a first voltage stabilizer and a second voltage stabilizer, wherein the box door is arranged on the left side of the shielding box, the box door is rotationally connected with the shielding box, a locking piece is arranged at the upper end of the box door, the testing platform is fixedly arranged in the shielding box, the comb-shaped wave generator mounting position is arranged on the upper left of the testing platform, the frequency sweep device is arranged on the upper right of the testing platform, the amplifier is arranged between the frequency sweep device and the comb-shaped wave generator mounting position, the attenuator is arranged on the left of the amplifier, the attenuator is connected with the comb-shaped wave generator mounting position through the coaxial cable, the power supply is electrically connected with the first voltage stabilizer, and the first voltage stabilizer and the comb wave generator are arranged.
Furthermore, a handle is arranged above the shielding box, the handle is arc-shaped and is made of rubber materials.
Furthermore, a signal access port is arranged at the joint of the attenuator and the installation position of the comb-wave generator.
Furthermore, a power supply access port is arranged at the joint of the first voltage stabilizer and the installation position of the comb-wave generator.
Further, the length of the shielding box is 1.2-2.3 m.
Furthermore, the frequency scanner is provided with a display screen, and the display screen is arranged on the outer side of the shielding box (1).
Furthermore, the testing device further comprises a memory, wherein the memory is arranged below the testing platform and provided with an output interface. The output interface is arranged on the right side of the shielding box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the integral design of the shielding box, has smaller volume than the traditional anechoic chamber, and is more convenient and flexible to install; in addition, the installation position of the comb wave generator can be connected with the comb wave generator, the application range is wider, the comb wave generator is directly connected with the attenuator through a coaxial cable to perform signal testing, a shorter transmission path is provided, and the testing is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
description of the drawings: 1. a shielding box; 2. a box door; 3. a lock; 4. a handle; 5. A comb wave generator mounting position; 6. an attenuator; 7. a coaxial cable; 8. An amplifier; 9. a sweep generator; 10. A display screen; 11. a memory; 12. an output interface; 13. a first voltage regulator; 14. a second voltage regulator; 15. a power source; 16. a power line; 17. a test bench; 18. a power supply access port; 19. A signal access port.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
A performance testing device for a comb-wave generator comprises a shielding box 1, a box door 2, a testing platform 17, a comb-wave generator mounting position 5, a coaxial cable 7, an attenuator 6, an amplifier 8, a sweep generator 9, a power supply 16, a first voltage stabilizer 13 and a second voltage stabilizer 14, and is characterized in that the box door 2 is arranged on the left side of the shielding box 1, the box door 2 is rotatably connected with the shielding box 1, a locking piece 3 is arranged at the upper end of the box door 2, the testing platform 17 is fixedly arranged in the shielding box 1, the comb-wave generator mounting position 5 is arranged above the testing platform 17, the sweep generator 9 is arranged above the testing platform 17, the amplifier 8 is arranged between the sweep generator 9 and the comb-wave generator mounting position 5, the attenuator 6 is arranged on the left side of the amplifier 8, the attenuator 6 is connected with the comb-wave, the power supply 15 is arranged below the test board 17, the power supply 15 is electrically connected with the second voltage stabilizer 14, the second voltage stabilizer 14 is electrically connected with the sweep generator 9, the power supply 15 is electrically connected with the first voltage stabilizer 13, and the first voltage stabilizer 13 is electrically connected with the comb generator mounting position 5.
Notably, a handle 4 is arranged above the shielding box 1, the handle 4 is arc-shaped, and the handle 4 is made of rubber materials; a signal access port 19 is arranged at the joint of the attenuator 6 and the comb-wave generator mounting position 5; a power supply access port 18 is arranged at the joint of the first voltage stabilizer 13 and the comb-wave generator mounting position 5; the length of the shielding box 1 is 1.2-2.3 m; the frequency scanner 9 is provided with a display screen 10, and the display screen 10 is arranged outside the shielding box 1; the testing device further comprises a memory 11, wherein the memory 11 is arranged below the testing platform 17, and the memory 11 is provided with an output interface 12. The output interface is arranged on the right side of the shielding box 1.
The utility model discloses a use method: the power line 16 is connected with commercial power, the box door 2 is opened, the comb-shaped wave generator to be measured is installed at the comb-shaped wave generator installation position 5, the comb-shaped wave generator, the signal access port 19 and the power access port 18 are connected, the sweep generator 9 is opened, the comb-shaped wave generator is started, the comb-shaped wave generator inputs signals to the sweep generator 9 from the attenuator 6 and the amplifier 8 in sequence, the display screen 10 of the sweep generator 9 displays the frequency characteristics of the signals of the comb-shaped wave generator, and therefore performance testing of the comb-shaped wave generator is completed, and results are stored in the memory 11.
Can see from above embodiment, the utility model discloses small, simple structure, easy operation, measuring result is accurate.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and variations that can be made by the present invention in the specification or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (7)
1. A performance testing device for a comb-shaped wave generator comprises a shielding box (1), a box door (2), a testing platform (17), a comb-shaped wave generator installation position (5), a coaxial cable (7), an attenuator (6), an amplifier (8), a sweep-frequency instrument (9), a power supply (15), a first voltage stabilizer (13) and a second voltage stabilizer (14), and is characterized in that the box door (2) is arranged on the left side of the shielding box (1), the box door (2) is rotationally connected with the shielding box (1), a locking piece (3) is arranged at the upper end of the box door (2), the testing platform (17) is fixedly arranged inside the shielding box (1), the comb-shaped wave generator installation position (5) is arranged above the testing platform (17), the sweep-frequency instrument (9) is arranged above the right of the testing platform (17), the amplifier (8) is arranged between the sweep-frequency instrument (9) and the comb-shaped, attenuator (6) set up in amplifier (8) left side, attenuator (6) are connected through coaxial cable (7) with comb wave generator installation position (5), power (15) set up in testboard (17) below, power (15) and second stabiliser (14) electric connection, second stabiliser (14) and sweep generator (9) electric connection, power (15) and first stabiliser (13) electric connection, first stabiliser (13) and comb wave generator installation position (5).
2. The comb wave generator performance testing device of claim 1, wherein a handle (4) is arranged above the shielding box (1), the handle (4) is in a circular arc shape, and the handle (4) is made of a rubber material.
3. Comb generator performance testing device according to claim 1, characterized in that a signal access (19) is provided at the connection of the attenuator (6) with the comb generator mounting location (5).
4. The comb-wave generator performance testing device of claim 1, wherein a power supply access (18) is provided at a connection of the first voltage stabilizer (13) and the comb-wave generator mounting location (5).
5. Comb wave generator performance testing device according to claim 1, characterized in that the length of the shielding box (1) is 1.2-2.3 m.
6. The comb wave generator performance testing device according to claim 1, characterized in that the sweep generator (9) is provided with a display screen (10), the display screen (10) being arranged outside the shielding box (1).
7. Comb wave generator performance testing device according to claim 1, characterized in that the testing device further comprises a memory (11), the memory (11) being arranged below the test bench (17), the memory (11) being provided with an output interface (12) arranged on the right side of the shielding cage (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398054.9U CN211478634U (en) | 2019-12-27 | 2019-12-27 | Comb wave generator performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922398054.9U CN211478634U (en) | 2019-12-27 | 2019-12-27 | Comb wave generator performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211478634U true CN211478634U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922398054.9U Active CN211478634U (en) | 2019-12-27 | 2019-12-27 | Comb wave generator performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211478634U (en) |
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2019
- 2019-12-27 CN CN201922398054.9U patent/CN211478634U/en active Active
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