Portable small satellite power supply cable rapid detection device

Abstract

The invention relates to a portable small satellite power supply cable rapid detection device, and relates to the technical field of spaceflight satellites. The device comprises a shell, a handle, a display and key module, a control and measurement module, a matrix selection circuit module, a first external test socket, a second external test socket, a third external test socket, a connection cable, a data communication and power interface, a fixing bolt and a cover plate. The handle is fixed to the top of the shell through a bolt. The display and key module, the control and measurement module and the matrix selection circuit module are all located in the shell; the control and measurement module is connected with the display and key module through a communication cable, and the control and measurement module is connected with the matrix selection circuit module through a control cable; the control and measurement module has a storage function and is used for storing configuration files; the display and key module is embedded in the end face of the shell from inside to outside so as to carry out key operation on the end face of the shell.

Description

Technical Field

[0001] The invention relates to the technical field of aerospace satellites, and in particular to a portable small satellite power supply cable rapid detection device. Background Art

[0002] During the integrated test of the small satellite, a ground solar simulator or a voltage stabilizer is required to provide power. The ground power supply equipment is mainly connected to the satellite through an electrical separation connector and a matching cable, so that the ground equipment can power the satellite and collect key information on the satellite. In order to ensure the safety of the satellite's power supply, the ground cable inspection and power supply safety inspection need to be completed before the ground cable is connected to the satellite's electrical separation connector.

[0003] In recent years, with the rapid development of aerospace industry and the increase in the number of small satellite missions, the development cycle has been shortened, and the demand for short-cycle and fast testing of small satellites has been put forward. At present, in the comprehensive testing of small satellites, the traditional power supply cable detection system based on PXI chassis can be used in the fixed satellite assembly and test plant to carry out the detection. This requires the configuration of industrial PXI chassis with corresponding analog switches and measurement boards. Since the interface of PXI board is fixed, it needs to be equipped with special adapter cables. The whole system is large in size and complex in composition. It is only suitable for the detection work of fixed workstations. In the main links such as satellite field tests and launch site work, it basically relies on manual detection, which is inefficient. There is an urgent need for a portable device that can quickly carry out power supply cable detection in the field. Summary of the invention

[0004] In order to solve the technical problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a portable small satellite power supply cable rapid detection device, which can overcome the shortcomings of the prior art. The detection device can perform rapid and automatic detection of the small satellite power supply cable, support detection process configuration, automatic storage of measurement results, and real-time transmission. The device has the advantages of small size, support for external battery power supply, and no need for adapter cables. It is suitable for power supply detection of small satellite whole-star tests in different occasions including field tests, launch sites, factory tests, etc.

[0005] To achieve the above-mentioned purpose of the invention, the present invention provides a portable small satellite power supply cable rapid detection device, including: a shell, a handle, a display and button module, a control and measurement module, a matrix selection circuit module, a first external test socket, a second external test socket, a third external test socket, a connecting cable, a data communication and power supply interface, a fixing bolt, and a cover plate;

[0006] The handle is fixed to the top of the housing by bolts;

[0007] The display and key module, the control and measurement module, and the matrix selection circuit module are all located inside the housing;

[0008] The control and measurement module is connected to the display and key module via a communication cable, and the control and measurement module is connected to the matrix selection circuit module via a control cable;

[0009] The control and measurement module has a storage function for storing configuration files;

[0010] The display and key module is embedded on the end surface of the housing from the inside to the outside so as to perform key operations on the end surface of the housing, and the configuration parameters, operation and measurement result information are displayed through the display and key module;

[0011] The first external test socket, the second external test socket, and the third external test socket are all embedded in the housing and exposed outside the housing to be connected to the cable to be tested, and the first external test socket, the second external test socket, and the third external test socket are respectively connected to the matrix selection circuit module through the connection cable;

[0012] The data communication and power supply interface is connected to the control and measurement module via the connection cable, and the data communication and power supply interface is powered by an external power adapter or a battery;

[0013] The cover plate is fixed to the housing by means of the fixing bolts.

[0014] Furthermore, the control and measurement module receives a start-up instruction from the display and button module to control the matrix selection circuit module and switch the corresponding path. The control and measurement module is used to complete the voltage or resistance measurement and send the measurement data to the display and button module for display. At the same time, the test data is sent to the outside through the data communication and power supply interface and uploaded to other external computers.

[0015] Furthermore, the first external test socket includes three Y2-50ZJ sockets, which are embedded in the end face of the shell in sequence and side by side; the second external test socket is a YF5-127ZK socket, which is embedded in the left side of the shell; the third external test socket is a J36-74ZK socket, which is embedded in the left side of the shell and is located above the external test socket.

[0016] Furthermore, the connector model of the data communication and power interface is DB15-ZJ.

[0017] Furthermore, the control and measurement module uses an embedded ARM to implement data processing functions.

[0018] Furthermore, the matrix selection circuit module uses eight 5X24 analog array switches connected in two stages, with the first stage being one 5X24 analog array switch and the second stage being seven 5X24 analog array switches connected in parallel.

[0019] Furthermore, the first external test socket, the second external test socket, and the third external test socket are multiplexedly connected to the matrix selection circuit module.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The device of the present invention adopts a highly integrated chip, an embedded processor + analog switch integrated circuit chip, so that the detection device can be integrated and packaged in a shell with a length of 30 cm, a height of 20 cm, and a width of 12 cm. The device is light in weight and small in size. There is a portable handle on the upper end of the device, which is easy to carry. This solves the problem that the traditional detection device that relies on industrial control computers is cumbersome to use, difficult to carry, and cannot support outdoor or temporary use.

[0022] (2) The device of the present invention embeds the power supply cable connector commonly used by small satellites on the surface of the shell, realizing the integration of the connector, which can be directly connected and tested. Compared with the traditional method of relying on the industrial control computer board interface to fix and requiring multiple external specially made adapter cables to match the electrical connector of the small satellite power supply cable, it greatly simplifies the deployment time and operation process.

[0023] (3) This device can be used for small satellite field tests and launch tower tests. Compared with traditional manual operations, the detection time is shortened by 60%, and the number of personnel is reduced by 50%. It improves the efficiency and automation of the test and saves labor and time costs.

[0024] (4) The matrix selection circuit of the present invention adopts a highly integrated chip, which has the advantages of small size, fast response speed, no mechanical contacts, and long service life compared with the traditional relay switching method.

[0025] (5) The present invention supports power supply modes of an external power adapter and battery power supply, and has no special requirements for the power supply configuration of the detection site.

[0026] (6) The present invention is provided with a display screen and buttons, has an independent human-computer interaction mode, and can store multiple configuration files, and can complete the detection work without relying on other computers. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 A schematic diagram schematically shows the structure of a portable small satellite power supply cable rapid detection device in one embodiment of the present invention;

[0029] Figure 2 A schematic diagram schematically shows the appearance of a portable small satellite power supply cable rapid detection device in one embodiment of the present invention;

[0030] Figure 3 A top view schematically showing the internal components of a portable small satellite power supply cable rapid detection device in one embodiment of the present invention;

[0031] Figure 4 The present invention schematically shows a flowchart of the use of a portable small satellite power supply cable rapid detection device in one embodiment of the present invention.

[0032] Description of reference numerals:

[0033] 1. Shell; 2. Handle; 3. Display and button module; 4. Control and measurement module; 5. Matrix selection circuit module; 6. First external test socket; 7. Second external test socket; 8. Third external test socket; 9. Connecting cable; 10. Data communication and power interface; 11. Fixing bolt; 12. Cover plate. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figures 1 to 4 As shown; this embodiment discloses a portable small satellite power supply cable rapid detection device, which is used for ground power supply cable conduction detection and satellite voltage detection in the comprehensive test of the small satellite. Figure 2 The figure shows the appearance of the device of the present invention. The whole device is enclosed in a housing 1 with a length of 30 cm, a height of 20 cm and a width of 12 cm. There is a handle 2 at the upper end, so the device is easy to carry.

[0036] Figure 2 The structure diagram of the device of the present invention is shown, which includes: a housing 1, a handle 2, a display and button module 3, a control and measurement module 4, a matrix selection circuit module 5, a first external test socket 6, a second external test socket 7, a third external test socket 8, a connecting cable 9, a data communication and power interface 10, a fixing bolt 11, and a cover plate 12;

[0037] The handle 2 is fixed to the top of the housing 1 by bolts;

[0038] The display and key module 3, the control and measurement module 4, and the matrix selection circuit module 5 are all located inside the housing 1;

[0039] The control and measurement module 4 is connected to the display and key module 3 via a communication cable, and the control and measurement module 4 is connected to the matrix selection circuit module 5 via a control cable;

[0040] The control and measurement module 4 has a storage function for storing configuration files, and can store multiple configuration files. The configuration files can be called according to the needs during the actual test;

[0041] The display and key module 3 is embedded on the end surface of the housing 1 from the inside to the outside so as to perform key operations on the end surface of the housing 1, and the configuration parameters, operation and measurement result information are displayed through the display and key module 3;

[0042] The first external test socket 6, the second external test socket 7, and the third external test socket 8 are all embedded in the housing 1 and exposed outside the housing 1 to be connected to the cable to be tested. The first external test socket 6, the second external test socket 7, and the third external test socket 8 are respectively connected to the matrix selection circuit module 5 through a connecting cable 9;

[0043] The data communication and power supply interface 10 is connected to the control and measurement module 4 via a connecting cable 9, and the data communication and power supply interface 10 is powered by an external power adapter or a battery;

[0044] The cover plate 12 is fixed to the housing 1 by means of fixing bolts 11 .

[0045] Furthermore, the device of the present invention supports completing the detection work according to the set rules. The control and measurement module 4 receives the start-up instruction from the display and button module 3, controls the matrix selection circuit module 5 according to the set rules, switches the corresponding path, and the control and measurement module 4 completes the voltage or resistance measurement, and sends the measurement data to the display and button module 3 for display. At the same time, the test data is sent to the outside through the data communication and power supply interface 10 and uploaded to other external computers.

[0046] Furthermore, the first external test socket 6 includes three Y2-50ZJ sockets, which are sequentially embedded in the end face of the shell 1 in parallel; the second external test socket 7 is a YF5-127ZK socket, which is embedded in the left side of the shell (1); and the third external test socket 8 is a J36-74ZK socket, which is embedded in the left side of the shell 1 and is located above the external test socket 7.

[0047] Furthermore, the connector model of the data communication and power interface 10 is DB15-ZJ.

[0048] Furthermore, the control and measurement module 4 uses an embedded ARM to implement data processing functions.

[0049] Furthermore, the matrix selection circuit module 5 uses eight 5X24 analog array switches connected in two stages, the first stage is one 5X24 analog array switch, and the second stage is seven 5X24 analog array switches connected in parallel.

[0050] Further, the first external test socket 6, the second external test socket 7, and the third external test socket 8 are multiplexed and connected to the matrix selection circuit module 5. That is, the three Y2-50ZJ sockets of the first external test socket 6 are connected to the first 150 connection points, the one YF5-127ZK socket of the second external test socket 7 is connected to the first 128 points (including the socket shell occupying 1 point), and the one J36-74ZK socket of the third external test socket 8 is connected to the first 75 points (including the socket shell occupying 1 point).

[0051] The working principle of the device of the present invention:

[0052] The integrated test of the whole small satellite requires the ground array simulator or voltage regulator to be powered through the satellite table connector, and the key electrical performance parameters on the satellite are collected through the satellite table connector. Before the factory test, large-scale test, launch site and other stages of the satellite integrated test, it is necessary to complete the conductivity test of the ground power supply cable and test the power supply voltage at each point at the satellite connection plug to ensure that the ground power supply equipment meets the satellite requirements and is safe for the satellite.

[0053] The conduction characteristics of the power supply cable are checked directly by detecting the point-to-point resistance value at both ends of the cable, and it only needs to meet the design requirements. The cable output check is to measure the voltage between the power supply positive point and the power supply negative point, the connector shell, and the satellite ground at the connector end connected to the satellite after the ground power supply system and the cable are set up. The test is completed if the voltage value meets the design requirements.

[0054] The device of the present invention supports completing the detection work according to the set rules. The control and measurement module 4 receives the start-up instruction from the display and button module 3, controls the matrix selection circuit module 5 according to the set rules, switches the corresponding path, and the control and measurement module 4 completes the voltage or resistance measurement, and sends the measurement data to the display and button module 3 for display. At the same time, the test data is sent to the outside through the data communication and power supply interface 10 and uploaded to other external computers.

[0055] Figure 4 Shown is the specific workflow of the present invention:

[0056] During actual measurement, according to actual use requirements, the cable to be tested is connected to the first external test socket 6, the second external test socket 7 or the third external test socket 8, and the channel and mode to be detected are set through the display and button module 3. The set information can be stored in the control and measurement module 4, which is convenient for subsequent testing. At the same time, the files configured in other computers can be transferred to the control and measurement module 4 through the data communication and power supply interface 10, and then the configuration file is selected through the display and button module 3;

[0057] After clicking the start button, the control and measurement module 4 controls the matrix selection circuit module 5 to switch channels according to the configured channel information, and connects the channel to be measured with the measurement module in the control and measurement module 4; the control and measurement module 4 collects voltage or resistance values ​​according to the acquisition mode configuration, and displays the measurement results on the display and button module 3, and stores them inside the control and measurement module 4, and at the same time sends real-time test data to other external computers through the data communication and power supply interface 10 for data reading and transmission.

[0058] The contents not described in detail in the present invention belong to the common knowledge of those skilled in the art.

[0059] It should be noted that the above is a preferred embodiment of the present invention. It should be pointed out that although the preferred embodiment of the present invention has been described, once the basic creative concept of the present invention is known, a number of improvements and modifications can be made by a person skilled in the art without departing from the principles of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. Therefore, the attached claims are intended to be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the embodiments of the present invention.

Claims

1. A portable small satellite power supply cable rapid detection device, characterized in that: include: A housing (1), a handle (2), a display and key module (3), a control and measurement module (4), a matrix selection circuit module (5), a first external test socket (6), a second external test socket (7), a third external test socket (8), a connecting cable (9), a data communication and power supply interface (10), a fixing bolt (11), and a cover plate (12); The handle (2) is fixed to the top of the housing (1) by means of bolts; The display and key module (3), the control and measurement module (4), and the matrix selection circuit module (5) are all located inside the housing (1); The control and measurement module (4) is connected to the display and key module (3) via a communication cable, and the control and measurement module (4) is connected to the matrix selection circuit module (5) via a control cable; The control and measurement module (4) has a storage function for storing configuration files; The display and key module (3) is embedded on the end surface of the housing (1) from the inside to the outside so as to perform key operations on the end surface of the housing (1), and configuration parameters, operation and measurement result information are displayed through the display and key module (3); The first external test socket (6), the second external test socket (7), and the third external test socket (8) are all embedded in the housing (1) and exposed outside the housing (1) for connection with the cable to be tested; the first external test socket (6), the second external test socket (7), and the third external test socket (8) are respectively connected to the matrix selection circuit module (5) via the connection cable (9); The data communication and power supply interface (10) is connected to the control and measurement module (4) via the connection cable (9), and the data communication and power supply interface (10) is powered by an external power adapter or a battery; The cover plate (12) is fixed to the housing (1) via the fixing bolts (11).

2. A portable small satellite power supply cable rapid detection device according to claim 1, characterized in that: The control and measurement module (4) receives a start instruction from the display and key module (3) to control the matrix selection circuit module (5) and switch the corresponding path. The control and measurement module (4) is used to complete voltage or resistance measurement and send the measurement data to the display and key module (3) for display. At the same time, the test data is sent to the outside through the data communication and power supply interface (10) and uploaded to other external computers.

3. A portable small satellite power supply cable rapid detection device according to claim 1, characterized in that: The first external test socket (6) comprises three Y2-50ZJ sockets, which are sequentially embedded in the end face of the shell (1) side by side; the second external test socket (7) is a YF5-127ZK socket, which is embedded in the left side face of the shell (1); and the third external test socket (8) is a J36-74ZK socket, which is embedded in the left side face of the shell (1) and is located above the external test socket (7).

4. A portable small satellite power supply cable rapid detection device according to claim 1, characterized in that: The connector model of the data communication and power supply interface (10) is DB15-ZJ.

5. A portable small satellite power supply cable rapid detection device according to claim 1, characterized in that: The control and measurement module (4) uses an embedded ARM to realize data processing functions.

6. A portable small satellite power supply cable rapid detection device according to claim 1, characterized in that: The matrix selection circuit module (5) uses eight 5X24 analog array switches connected in two stages, the first stage being one 5X24 analog array switch and the second stage being seven 5X24 analog array switches connected in parallel.

7. A portable small satellite power supply cable rapid detection device according to claim 1, characterized in that: The first external test socket (6), the second external test socket (7), and the third external test socket (8) are multiplexedly connected to the matrix selection circuit module (5).

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