CN218956813U - Posture instrument testing equipment - Google Patents
Posture instrument testing equipment Download PDFInfo
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- CN218956813U CN218956813U CN202223129959.4U CN202223129959U CN218956813U CN 218956813 U CN218956813 U CN 218956813U CN 202223129959 U CN202223129959 U CN 202223129959U CN 218956813 U CN218956813 U CN 218956813U
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Abstract
The utility model discloses a posture meter testing device which comprises a power supply, an indoor shielding box and two outdoor receiving antennas, wherein the indoor shielding box is provided with two indoor transmitting antennas, the indoor shielding box is made of a metal plate, a metal partition plate is arranged in the middle of the interior of the indoor shielding box, and a layer of wave absorbing material is adhered to the surface of the metal plate and the surface of the metal partition plate in the interior of the indoor shielding box; the two indoor transmitting antennas are respectively connected with the two outdoor receiving antennas through radio frequency cables; the power supply supplies power to the two outdoor receiving antennas and the two indoor transmitting antennas. According to the utility model, the outdoor GNSS signals are introduced indoors, so that the limitation of the outdoor environment is avoided, the requirements of indoor testing are met, the time and labor are saved, the structure is simple, the cost is low, the testing speed is high, the testing speed can be greatly increased, and the testing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of attitude instrument production, in particular to attitude instrument testing equipment.
Background
Attitude instruments are commonly used in application scenarios where product orientation is monitored. Such as a base station antenna, a point-to-point transmission antenna, etc. The principle is that whether the direction of the monitored product changes or not can be obtained through binding the two GNSS positioning modules and the product to be monitored and through the two GNSS positioning information, if the direction exceeds the change warning value, warning information can be sent to the background.
The production test of the attitude instrument in the current market is to move the product to outdoor actual measurement, which is time-consuming and labor-consuming. And the test is more difficult when the wind and rain are blown, the weather is greatly affected, and the productivity cannot be increased rapidly. Therefore, a technology is needed in the market to meet the indoor test requirement of the attitude instrument.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide a posture meter testing device for realizing indoor testing of a posture meter.
In order to solve the technical problems, the embodiment of the utility model provides a gesture meter testing device which comprises a power supply, an indoor shielding box and two outdoor receiving antennas, wherein the indoor shielding box is provided with two indoor transmitting antennas and is made of a metal plate, a metal partition plate is arranged in the middle of the interior of the indoor shielding box, and a layer of wave absorbing material is adhered to the surface of the metal plate and the surface of the metal partition plate in the interior of the indoor shielding box; the two indoor transmitting antennas are respectively connected with the two outdoor receiving antennas through radio frequency cables; the power supply supplies power to the two outdoor receiving antennas and the two indoor transmitting antennas.
Further, an amplifier is additionally arranged on the outdoor receiving antenna.
Further, the distance between two outdoor receiving antennas is the same as the distance between two antennas at two ends of the attitude instrument to be measured.
Further, the side face of the indoor shielding box is opened, the door of the indoor shielding box is made of metal, and a layer of wave absorbing material is adhered to the inner surface of the door.
Further, a posture meter fixing plate for fixing the position of the posture meter to be measured is arranged below the metal partition plate.
Further, an adjustable gain amplifier is additionally arranged on the indoor transmitting antenna.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the outdoor GNSS signals are introduced indoors, so that the limitation of the outdoor environment is avoided, the requirement of indoor test is met, and time and labor are saved;
2. the test signal of the utility model is an actual outdoor star searching signal, the distance between the two used outdoor receiving antennas is the same as the distance between the two antennas at the two ends of the attitude indicator, the signal intensity received by the antenna of the attitude indicator is the same as the actual working scene by adjusting the amplifier of the outdoor receiving antenna, and the test signal is closer to the actual working scene and the problem is easier to find;
3. the shielding box, the metal partition plate and the wave absorbing material are used for reducing signal interference of two transmitting antennas in the shielding box, reducing interference of GNSS signals received by two ends of the attitude indicator, and enabling a test result to be more accurate;
4. the utility model has simple structure, low cost and high test speed, and can greatly accelerate the test speed and reduce the test cost.
Drawings
Fig. 1 is a schematic structural view of an attitude meter testing apparatus according to an embodiment of the present utility model.
Fig. 2 is a perspective view of an angle of the indoor shielding case according to an embodiment of the present utility model.
Fig. 3 is a perspective view of another angle of the indoor shielding case according to the embodiment of the present utility model.
Fig. 4 is a schematic flow chart of a method for testing an attitude indicator according to an embodiment of the present utility model.
Description of the reference numerals
The device comprises a power supply 1, an indoor shielding box 2, a radio frequency cable 3, an indoor transmitting antenna 4, an outdoor receiving antenna 5, a metal partition plate 6, a wave absorbing material 7, an attitude instrument fixing plate 8 and a door 9.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other, and the present utility model will be further described in detail with reference to the drawings and the specific embodiments.
In the embodiment of the present utility model, if there is a directional indication (such as up, down, left, right, front, and rear … …) only for explaining the relative positional relationship, movement condition, etc. between the components in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indication is correspondingly changed.
In addition, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 3, the attitude meter testing device according to the embodiment of the utility model includes a power supply, an indoor shielding box, a radio frequency cable, two indoor transmitting antennas and two outdoor receiving antennas.
The two outdoor receiving antennas can be correspondingly arranged outdoors, the amplifier is needed for the outdoor receiving antennas, and the distance between the two outdoor receiving antennas is the same as the distance between the two antennas at two ends of the attitude instrument to be measured.
The power supply is used for supplying power to the outdoor receiving antenna and the indoor transmitting antenna. The radio frequency cable is mainly connected with an outdoor receiving antenna and an indoor transmitting antenna, and an outdoor GNSS signal is introduced into an indoor space for production test of the attitude instrument.
The indoor shielding box is made of metal plates, and a metal partition plate is arranged in the middle of the indoor shielding box and divides the indoor shielding box into a left part and a right part. The surface of the metal plate and the metal partition plate inside the indoor shielding box are fully adhered with wave absorbing materials. And a posture instrument fixing plate is arranged below the metal partition plate and used for fixing the position of a posture instrument to be measured (the two ends of the posture instrument to be measured are respectively provided with an antenna), so that the positions of the two ends of the posture instrument to be measured are ensured to be right above the antennas of the two ends of the posture instrument to be measured to face the two indoor transmitting antennas. The appearance and the position of the attitude instrument fixing plate are shown in fig. 2, and the attitude instrument fixing plate can be manufactured according to the actual shape of the attitude instrument to be measured so as to ensure that the position of the attitude instrument to be measured is fixed. The door of the indoor shielding box is also made of metal and is also fully covered with a wave absorbing material, and can be opened from the side face, and the appearance and the position of the side door of the shielding box are shown in fig. 2. The utility model uses the indoor shielding box, the metal partition board and the wave absorbing material to reduce the signal interference of two indoor transmitting antennas in the indoor shielding box.
The two indoor transmitting antennas are respectively arranged in the left part and the right part of the indoor shielding box. The indoor transmitting antenna is mainly used for transmitting signals in the radio frequency cable. The amplifier of the indoor transmitting antenna can be added or not, and the effect of increasing the adjustable gain amplifier is better. The distance between the two indoor transmitting antennas is not required, but is preferably located right above the two antennas at the two ends of the attitude instrument to be measured respectively.
During production test, the door is opened from the side face of the indoor shielding box, the whole set of attitude instrument to be tested, which is arranged on the connecting rod, is directly pushed into the indoor shielding box, and the attitude instrument fixing plate is used for fixing the position of the attitude instrument to be tested, so that the right upper parts of the antennas at the two ends of the attitude instrument are ensured to face the two indoor transmitting antennas. After closing the door of the shielding box, production tests can be performed.
Referring to fig. 4, the method for testing the attitude meter according to the embodiment of the utility model includes:
step 1: placing the attitude instrument to be measured in an indoor shielding box, and enabling the upper parts of the antennas at the two ends of the attitude instrument to be measured to respectively face two indoor transmitting antennas;
step 2: and adjusting an amplifier of the outdoor receiving antenna to enable the signal intensity received by the antenna of the attitude instrument to be the same as the actual working scene, and starting to carry out production test on the attitude instrument to be tested.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (6)
1. The gesture meter testing equipment is characterized by comprising a power supply, an indoor shielding box and two outdoor receiving antennas, wherein the indoor shielding box is provided with two indoor transmitting antennas, the indoor shielding box is made of a metal plate, a metal partition plate is arranged in the middle of the interior of the indoor shielding box, and a layer of wave absorbing material is adhered to the surface of the metal plate and the surface of the metal partition plate in the interior of the indoor shielding box; the two indoor transmitting antennas are respectively connected with the two outdoor receiving antennas through radio frequency cables; the power supply supplies power to the two outdoor receiving antennas and the two indoor transmitting antennas.
2. The attitude meter testing equipment of claim 1, wherein an amplifier is added to the outdoor receiving antenna.
3. The attitude meter testing equipment of claim 1, wherein a distance between two outdoor receiving antennas is the same as a distance between two antennas at both ends of the attitude meter to be tested.
4. The attitude measuring equipment according to claim 1, wherein the side of the indoor shielding case is opened, the door of the indoor shielding case is made of metal, and a layer of wave absorbing material is adhered to the inner surface of the door.
5. The attitude meter testing equipment according to claim 1, wherein an attitude meter fixing plate for fixing the position of the attitude meter to be tested is provided under the metal spacer.
6. The attitude meter testing equipment of claim 1, wherein an adjustable gain amplifier is added to the indoor transmitting antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223129959.4U CN218956813U (en) | 2022-11-24 | 2022-11-24 | Posture instrument testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223129959.4U CN218956813U (en) | 2022-11-24 | 2022-11-24 | Posture instrument testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218956813U true CN218956813U (en) | 2023-05-02 |
Family
ID=86106169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223129959.4U Active CN218956813U (en) | 2022-11-24 | 2022-11-24 | Posture instrument testing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218956813U (en) |
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2022
- 2022-11-24 CN CN202223129959.4U patent/CN218956813U/en active Active
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