Problems with Using and Installing FESTO Coil in Germany
2023-06-15 07:08:09
Any electronic component mounting board in electronic equipment is designed and manufactured by engineers and technicians according to the performance characteristics of various components used. As the installer of the coil, pay attention to the following questions.
(1) The installation position of the coil should meet the design requirements. The assembly position of the coil and the relative position of other various elements must meet the design requirements, otherwise it will affect the normal operation of the whole machine. For example, the position of a high-frequency choke coil and a magnetic antenna in a simple semiconductor radio should be properly arranged; the antenna coil and the oscillation coil should be perpendicular to each other, which avoids the influence of mutual coupling.
(2) Prior to installation, the coils should be inspected before use. The structure of the coils should be checked for solidity, looseness and looseness of the coils, looseness of the lead contacts, flexibility of the core rotation, sliding fasteners, etc. . After these items have passed inspection, install them again.
(3) When the coil needs to be fine-tuned during use, some fine-tuning methods should be considered. During the course of use, some coils need to be fine-tuned, and it is inconvenient to change the number of turns of the coil. Therefore, the fine-tuning method should be taken into account when selecting the coil. For example, a single-layer coil can be used to remove the number of the end of the number of trapped coil method, that is, in the end of the coil winding 3 to 4 turns in advance, in the fine-tuning, moving its position can change the inductance. Practice has proved that this adjustment method can achieve a fine adjustment of ± 2% - ± 3% of the inductance. For coils used in short-wave and ultra-short-wave circuits, half-turns are often reserved for fine-tuning. This half-turn is removed or folded to change the inductance and achieve fine-tuning. The fine-tuning of multi-layer segmented coils can be achieved by moving the relative distance of one segment. The number of turns of the movable segment should be 20%-30% of the total number of turns. Practice has proved that: This fine-tuning range up to 10% -15%. The coil with the magnetic core can adjust the coil inductance by adjusting the position of the magnetic core in the coil tube.
(4) Use coils should pay attention to maintain the original coil inductance In use, do not easily change the shape of the coil. The size and the distance between the coils, otherwise it will affect the original inductance of the coil. In particular, the coil with a higher frequency, that is, a smaller number of turns. Therefore, high-frequency coils currently used in televisions are generally sealed and fixed with high-frequency wax or other dielectric materials. In addition, it should be noted that during maintenance, do not arbitrarily change or adjust the position of the original coil so as not to cause detuning.
(5) Adjustable coil installation should be easy to adjust
(1) The installation position of the coil should meet the design requirements. The assembly position of the coil and the relative position of other various elements must meet the design requirements, otherwise it will affect the normal operation of the whole machine. For example, the position of a high-frequency choke coil and a magnetic antenna in a simple semiconductor radio should be properly arranged; the antenna coil and the oscillation coil should be perpendicular to each other, which avoids the influence of mutual coupling.
(2) Prior to installation, the coils should be inspected before use. The structure of the coils should be checked for solidity, looseness and looseness of the coils, looseness of the lead contacts, flexibility of the core rotation, sliding fasteners, etc. . After these items have passed inspection, install them again.
(3) When the coil needs to be fine-tuned during use, some fine-tuning methods should be considered. During the course of use, some coils need to be fine-tuned, and it is inconvenient to change the number of turns of the coil. Therefore, the fine-tuning method should be taken into account when selecting the coil. For example, a single-layer coil can be used to remove the number of the end of the number of trapped coil method, that is, in the end of the coil winding 3 to 4 turns in advance, in the fine-tuning, moving its position can change the inductance. Practice has proved that this adjustment method can achieve a fine adjustment of ± 2% - ± 3% of the inductance. For coils used in short-wave and ultra-short-wave circuits, half-turns are often reserved for fine-tuning. This half-turn is removed or folded to change the inductance and achieve fine-tuning. The fine-tuning of multi-layer segmented coils can be achieved by moving the relative distance of one segment. The number of turns of the movable segment should be 20%-30% of the total number of turns. Practice has proved that: This fine-tuning range up to 10% -15%. The coil with the magnetic core can adjust the coil inductance by adjusting the position of the magnetic core in the coil tube.
(4) Use coils should pay attention to maintain the original coil inductance In use, do not easily change the shape of the coil. The size and the distance between the coils, otherwise it will affect the original inductance of the coil. In particular, the coil with a higher frequency, that is, a smaller number of turns. Therefore, high-frequency coils currently used in televisions are generally sealed and fixed with high-frequency wax or other dielectric materials. In addition, it should be noted that during maintenance, do not arbitrarily change or adjust the position of the original coil so as not to cause detuning.
(5) Adjustable coil installation should be easy to adjust
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