Down-conversion module no-load short circuit testing device
By designing a down-converting module test device with adjustable seat plate and screw head spacing, poor adaptability and wear problems in the prior art are solved, flexible support and testing of modules of different sizes are achieved, and breathable heat dissipation and accurate testing are ensured. sex.
Patent Information
- Application Number
- CN202420825826.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-20
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-20
AI Technical Summary
Due to the fixed size and support structure of the existing downconverter module test device, it is unable to effectively adapt to downconverter modules of different sizes, resulting in poor adaptability, and may cause wear in contact with the fixed surface during the test, affecting heat dissipation and testing. accuracy.
A test device including base, seat groove, through column, seat dish, screw and screw head is designed. Through adjustable seat dish and screw head spacing, it can adapt to down-converting modules of different sizes, and is carried out through digital multimeter and power supply. Test to ensure the module's breathable and heat dissipation and test accuracy.
It realizes flexible support and testing of down-converting modules of different sizes, reduces wear and tear in contact between the module and the fixed surface, improves the adaptability and accuracy of the test, and ensures the module's breathable, heat dissipation and power supply.
Smart Images
Figure CN222259546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of down-conversion modules, in particular to a no-load short-circuit testing device for down-conversion modules. Background Art
[0002] In the receiver, if the intermediate frequency signal obtained after mixing is lower than the original signal, then this mixing method is called down-conversion. The purpose of down-conversion is to reduce the carrier frequency of the signal or directly remove the carrier frequency to obtain the baseband signal. When testing the down-conversion module, the down-conversion module will be subjected to a no-load short-circuit test. This test device is used to test the down-conversion module.
[0003] Down-conversion modules are generally designed in different sizes, some large, some small, some long, and some thin. Down-conversion modules of different sizes require different support areas and support node spacing when supporting. However, for ordinary test devices, the size of the test bench is fixed and the supported range is also fixed, resulting in poor adaptability when supporting down-conversion modules. Utility Model Content
[0004] The utility model aims to provide a no-load short-circuit test device for a down-conversion module.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A no-load short-circuit test device for a down-conversion module comprises a base, a seat groove is formed on the bottom end wall of the base, a through column is installed on the inner side of the seat groove, a seat plate is installed on the end side of the through column, a plate hole is formed on the end wall of the seat plate close to the through column, a plate groove and a plate cavity are formed on the upper end wall of the seat plate, a screw is passed through the top rear end wall of the seat plate, a screw hole is formed on the upper end wall of the base, a screw head is installed on the inner side of the screw hole, a digital multimeter is installed on the right end of the base, and a power supply is placed on the left end of the base.
[0007] Preferably, the base and the through column are fixedly connected, and the base is snap-fitted to the seat plate via a seat groove.
[0008] Preferably, the seat plate forms a sliding structure through the plate hole and the through column, and two seat plates are provided.
[0009] Preferably, the seat plate is threadedly connected to the screw, and the plate groove and the plate cavity are communicated with each other.
[0010] Preferably, the seat and the screw are threadedly connected.
[0011] Preferably, the base is threadedly connected to the screw head via a screw mouth, and the screw mouth is distributed at equal distances with respect to the top end wall of the base.
[0012] The utility model has at least the following beneficial effects:
[0013] 1. Through the activity of the dish hole and the through column, the seat dish is displaced along the length direction of the through column to change the position of the seat dish. After the seat dish moves forward, the upper end area of the seat dish is exposed. At this time, the down-conversion module can be placed in the dish cavity of the seat dish for temporary storage and waiting for detection;
[0014] 2. By rotating the screw head, the screw head and the screw mouth are firmly connected together. There are a large number of screw mouths. Select different screw mouths to connect the screw heads to facilitate changing the screw head spacing, so that the screw head spacing is controllable and adjustable to adapt to down-conversion modules of different sizes. After the down-conversion module is supported on the upper end of the screw head, it is convenient for the bottom of the down-conversion module to ventilate and dissipate heat, and reduce the wear caused by the contact between the module and the fixed surface. The power supply is used to power the down-conversion module to make the down-conversion module short-circuited when it is not loaded. The digital multimeter is used to measure the current, voltage and power of the down-conversion module when it is not loaded, so as to achieve the purpose of testing the down-conversion module. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of the utility model;
[0017] Figure 2 for Figure 1 A schematic diagram of a base viewed from above;
[0018] Figure 3 for Figure 1 A three-dimensional diagram of the seat vessel;
[0019] Figure 4 for Figure 1 An enlarged schematic diagram of point A.
[0020] In the figure: 1. base; 2. seat groove; 3. through-column; 4. seat plate; 5. plate hole; 6. plate groove; 7. plate cavity; 8. screw; 9. screw mouth; 10. screw head; 11. digital multimeter; 12. power supply. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0022] See also Figure 1-4 The utility model provides a technical solution for a no-load short-circuit test device for a down-conversion module:
[0023] Embodiment 1:
[0024] like Figure 1-4 As shown, a no-load short-circuit test device for a down-conversion module comprises a base 1, a seat groove 2 is provided on the bottom end wall of the base 1, a through column 3 is installed on the inner side of the seat groove 2, a seat plate 4 is installed on the end side of the through column 3, a plate hole 5 is provided on the end wall of the seat plate 4 close to the through column 3, a plate groove 6 and a plate cavity 7 are provided on the upper end wall of the seat plate 4, a screw 8 is penetrated on the top rear end wall of the seat plate 4, a screw mouth 9 is provided on the upper end wall of the base 1, a screw head 10 is installed on the inner side of the screw mouth 9, a digital multimeter 11 is installed on the right end of the base 1, and a power supply 12 is placed on the left end of the base 1.
[0025] Embodiment 2:
[0026] Based on the first embodiment, Figure 1 and Figure 2 As shown, the base 1 and the through column 3 are fixedly connected, and the base 1 is clamped with the seat plate 4 through the seat groove 2, and the seat plate 4 forms a sliding structure with the through column 3 through the plate hole 5, and two seat plates 4 are provided, which move with the through column 3 through the plate hole 5, so that the seat plate 4 is displaced along the length direction of the through column 3 to change the position of the seat plate 4. After the seat plate 4 moves forward, the upper end area of the seat plate 4 is exposed. At this time, the down-conversion module can be placed in the plate cavity 7 of the seat plate 4 for temporary storage and waiting for detection, and the screw 8 is tightened to lock the seat plate 4 after the forward movement;
[0027] Based on the first embodiment, Figure 3 and Figure 4 As shown, the seat dish 4 is threadedly connected with the screw 8, and the dish groove 6 and the dish cavity 7 are connected, the seat dish 4 and the screw 8 are threadedly connected, the base 1 is threadedly connected with the screw head 10 through the screw mouth 9, and the screw mouth 9 is equidistantly distributed with respect to the top wall of the base 1, and the screw head 10 and the screw mouth 9 are rotated to make the screw head 10 and the screw mouth 9 firmly connected together. There are a large number of screw mouths 9, and different screw mouths 9 are selected to connect the screw heads 10, which is convenient for changing the spacing of the screw heads 10, so that the spacing of the screw heads 10 is controllable and adjustable, and is suitable for down-conversion modules of different sizes. After the down-conversion module is supported on the upper end of the screw head 10, it is convenient for the bottom end of the down-conversion module to ventilate and dissipate heat, and reduce the wear caused by the contact between the module and the fixed surface. The power supply 12 is used to power the down-conversion module to make the down-conversion module short-circuited when it is not loaded. The digital multimeter 11 is used to measure the current, voltage and power of the down-conversion module when it is not loaded, so as to achieve the purpose of testing the down-conversion module.
[0028] Working principle: through the activity of the dish hole 5 and the through column 3, the seat dish 4 is displaced along the length direction of the through column 3 to change the position of the seat dish 4. After the seat dish 4 moves forward, the upper end area of the seat dish 4 is exposed. At this time, the down-conversion module can be placed in the dish cavity 7 of the seat dish 4 for temporary storage and waiting for detection. The screw 8 is tightened to lock and limit the seat dish 4 after the forward movement. The screw head 10 is rotated to make the screw head 10 and the screw mouth 9 firmly connected together. There are a large number of screw mouths 9. Different screw mouths 9 are selected to connect the screw head 10, which is convenient for changing the spacing between the screw heads 10 and making the spacing between the screw heads 10 controllable and adjustable to adapt to down-conversion modules of different sizes. After the down-conversion module is supported on the upper end of the screw head 10, it is convenient for the bottom end of the down-conversion module to ventilate and dissipate heat, and reduce the wear caused by the contact between the module and the fixed surface. The power supply 12 is used to power the down-conversion module to make the down-conversion module short-circuited when it is not loaded. The digital multimeter 11 is used to measure the current, voltage and power of the down-conversion module when it is not loaded, so as to achieve the purpose of testing the down-conversion module.
[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A no-load short-circuit test device for a down-conversion module, comprising a base (1), characterized in that: The bottom end wall of the base (1) is provided with a seat groove (2), a through column (3) is installed inside the seat groove (2), a seat plate (4) is installed on the end side of the through column (3), a plate hole (5) is provided on the end wall of the seat plate (4) close to the through column (3), a plate groove (6) and a plate cavity (7) are provided on the upper end wall of the seat plate (4), a screw (8) is passed through the top rear end wall of the seat plate (4), a screw hole (9) is provided on the upper end wall of the base (1), a screw head (10) is installed inside the screw hole (9), a digital multimeter (11) is installed on the right end of the base (1), and a power supply (12) is arranged on the left end of the base (1).
2. A down-conversion module no-load short-circuit test device according to claim 1, characterized in that: The base (1) and the through column (3) are fixedly connected, and the base (1) is clamped with the seat plate (4) through the seat groove (2).
3. A down-conversion module no-load short-circuit test device according to claim 1, characterized in that: The seat plate (4) forms a sliding structure with the through column (3) through the plate hole (5), and two seat plates (4) are provided.
4. A down-conversion module no-load short-circuit test device according to claim 1, characterized in that: The seat plate (4) and the screw (8) are threadedly connected, and the plate groove (6) and the plate cavity (7) are communicated with each other.
5. A down-conversion module no-load short-circuit test device according to claim 1, characterized in that: The seat (4) and the screw (8) are threadedly connected.
6. A down-conversion module no-load short-circuit test device according to claim 1, characterized in that: The base (1) is threadedly connected to the screw head (10) via a screw mouth (9), and the screw mouth (9) is distributed at equal distances with respect to the top end wall of the base (1).