Combined frequency converter logic control board
By integrating multiple relays onto the same PCB and connecting them with quick-connect terminal blocks and soldering, the problems of large size and complex installation of traditional relays are solved, achieving a compact and simple structure and efficient maintenance, reducing costs and time consumption.
Patent Information
- Application Number
- CN202520150171.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Traditional relays are bulky, have complicated installation and wiring, are prone to oxidation leading to poor contact, affect normal circuit conduction, and are difficult to maintain, increasing costs and downtime.
By adopting a combined frequency converter logic control board, multiple relays and other electronic components are integrated on the same PCB printed circuit board. Quick-connect terminal bases and solder connections simplify installation and wiring, and improve integration and reliability.
It significantly saves installation space, reduces installation and maintenance difficulty, improves work efficiency, reduces error rate and maintenance costs, and enhances circuit reliability and safety.
Smart Images

Figure CN223843686U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic equipment technology, specifically a combined frequency converter logic control board. Background Technology
[0002] Traditional relays are typically bulky and cumbersome to install and wire, consuming valuable space. Their large size also means more time and effort is required for installation and maintenance. Furthermore, traditional relay contacts are prone to oxidation, leading to poor contact. This can affect the normal conduction of the circuit and, in severe cases, cause system failure. Once a fault occurs, troubleshooting and repairing are usually very difficult and time-consuming, increasing maintenance costs and downtime. Utility Model Content
[0003] The purpose of this utility model is to solve the problems mentioned in the background art. This utility model provides a combined frequency converter logic control board, which significantly saves installation space, avoids complex external wiring, and makes the overall structure more compact and simple. It not only improves the integration of the equipment, but also reduces the difficulty of installation and maintenance.
[0004] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0005] The combined frequency converter logic control board includes a PCB printed circuit board, which is mounted on a base fixture. Multiple relays 2 and 1 are provided on the upper surface of the PCB printed circuit board. Surface-mount light-emitting diodes, surface-mount resistors, and surface-mount diodes are also provided on the upper surface of the PCB printed circuit board. Quick-connect terminal base 1 and quick-connect terminal base 2 are provided on both the upper and lower sides of the PCB printed circuit board, and both quick-connect terminal base 1 and quick-connect terminal base 2 are soldered to the PCB printed circuit board.
[0006] Furthermore, relay two is soldered onto the PCB printed circuit board.
[0007] Furthermore, the surface-mount LEDs, surface-mount resistors, and surface-mount diodes are all mounted on the PCB printed circuit board via SMT.
[0008] Furthermore, a slot is provided at the middle of the upper end of the base fixture, and the PCB printed circuit board is inserted into the slot. The PCB printed circuit board is connected to the base fixture by screws.
[0009] Furthermore, quick-connect terminal base one and quick-connect terminal base two are located on both sides of the PCB printed circuit board, while relay two, surface mount LED, surface mount resistor and surface mount diode are located in the middle of the PCB printed circuit board.
[0010] Furthermore, relay one is soldered onto the PCB printed circuit board, and relay two is distributed on both sides of relay one.
[0011] Furthermore, the PCB is made of FR-4 material, the first relay is model G5V-2, and the second relay is model G2R-2-SN(S).
[0012] Furthermore, quick-connect terminal base one has 9 pins, quick-connect terminal base two has 7 pins, and both quick-connect terminal base one and quick-connect terminal base two are of type FPM2.5-508.
[0013] Beneficial effects:
[0014] 1. It shortened the product delivery cycle and alleviated production pressure.
[0015] 2. In terms of usage, it solves the problem of cumbersome installation of traditional relays, improves installation and subsequent work efficiency, and effectively saves on the maintenance costs of the equipment.
[0016] 3. Reduce wiring time and decrease error rate.
[0017] 4. Saves space and makes the internal wiring of the equipment clearer and more understandable. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a top view of an embodiment of the present invention;
[0020] Figure 2 This is a front view of an embodiment of the present invention;
[0021] Figure 3 This is a left view of an embodiment of the present invention. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.
[0023] As shown in the figure, this utility model discloses a combined frequency converter logic control board, including a PCB printed circuit board 8, which is mounted on a base fixture 9. Multiple relays 2 (3) and 1 (7) are disposed on the upper surface of the PCB printed circuit board 8. Surface mount LEDs 2, surface mount resistors 5, and surface mount diodes 4 are disposed on the upper surface of the PCB printed circuit board 8. Quick-connect terminal base 1 (1) and quick-connect terminal base 2 (6) are disposed on the upper side of the PCB printed circuit board 8, and both quick-connect terminal base 1 (1) and quick-connect terminal base 2 (6) are soldered onto the PCB printed circuit board 8.
[0024] The surface-mount LED 2, surface-mount resistor 5, and surface-mount diode 4 enhance the circuit's overcurrent and overvoltage protection capabilities, improving the overall circuit's reliability and safety.
[0025] This invention integrates multiple relays (7 and 3) onto a single PCB printed circuit board (8), significantly saving installation space. The connections between the relays are achieved internally within the PCB, avoiding complex external wiring and resulting in a more compact and simpler overall structure. This not only improves the integration of the device but also reduces the difficulty of installation and maintenance. The integration of multiple relays reduces the cost of purchasing and installing individual relays, thereby lowering the overall cost of the device.
[0026] In one embodiment of this invention, relay 7 and relay 3 are both soldered onto the PCB printed circuit board 8. Compared to traditional relays, this invention improves anti-interference capability and reduces the impact of electromagnetic interference on surrounding circuits.
[0027] PCB printed circuit board 8 is a rectangular board with dimensions of 262mm*83mm*70mm.
[0028] In one embodiment of this utility model, the surface mount light-emitting diode 2, the surface mount resistor 5, and the surface mount diode 4 are all mounted on the PCB printed circuit board 8 by SMT.
[0029] In one embodiment of this utility model, a slot is provided at the upper middle of the base fixture 9, and the PCB printed circuit board 8 is inserted into the slot. The PCB printed circuit board 8 is connected to the base fixture 9 by screws. The PCB printed circuit board 8 is installed on the base fixture 9 in an insert-type manner, which facilitates the installation of the PCB printed circuit board 8.
[0030] In one embodiment of this utility model, quick-connect terminal base 1 and quick-connect terminal base 6 are located on both sides of the PCB printed circuit board 8, and relay 2, surface mount light-emitting diode 2, surface mount resistor 5 and surface mount diode 4 are located in the middle of the PCB printed circuit board 8.
[0031] In one embodiment of this utility model, relay 7 is soldered onto PCB printed circuit board 8, and relay 3 is distributed on both sides of relay 7.
[0032] In one embodiment of this utility model, the PCB printed circuit board 8 is made of FR-4 material, the relay 7 is of type G5V-2, and the relay 3 is of type G2R-2-SN(S).
[0033] The PCB printed circuit board 8 has text-based function descriptions printed on its surface, making it simpler and clearer.
[0034] In one embodiment of this utility model, quick-connect terminal base 1 has 9 pins and quick-connect terminal base 6 has 7 pins. Both quick-connect terminal base 1 and quick-connect terminal base 6 are of type FPM2.5-508.
[0035] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A combined frequency converter logic control board, characterized in that, The PCB is mounted on a base fixture. Multiple relays 2 and 1 are provided on the upper surface of the PCB. Surface-mount LEDs, surface-mount resistors and surface-mount diodes are provided on the upper surface of the PCB. Quick-connect terminal base 1 and quick-connect terminal base 2 are provided on the upper and lower sides of the PCB (8). Both quick-connect terminal base 1 and quick-connect terminal base 2 are soldered to the PCB by soldering.
2. The combined frequency converter logic control board according to claim 1, characterized in that, The second relay is soldered onto the PCB printed circuit board.
3. The combined frequency converter logic control board according to claim 1, characterized in that, Surface mount LEDs, surface mount resistors, and surface mount diodes are all mounted on the PCB printed circuit board via SMT.
4. The logic control board for the combined frequency converter according to claim 1, characterized in that, The upper middle part of the base fixture has a slot, the PCB printed circuit board is inserted into the slot, and the PCB printed circuit board is connected to the base fixture by screws.
5. The combined frequency converter logic control board according to claim 1, characterized in that, Quick-connect terminal base one and quick-connect terminal base two are located on both sides of the PCB printed circuit board, while relay two, surface mount LED, surface mount resistor and surface mount diode are located in the middle of the PCB printed circuit board.
6. The combined frequency converter logic control board according to claim 2, characterized in that, Relay 1 is soldered onto the PCB printed circuit board, and relay 2 is distributed on both sides of relay 1.
7. The logic control board for the combined frequency converter according to claim 6, characterized in that, The PCB is made of FR-4 material, relay one is model G5V-2, and relay two is model G2R-2-SN(S).
8. The logic control board for the combined frequency converter according to claim 1, characterized in that, Quick-connect terminal base 1 has 9 pins, and quick-connect terminal base 2 has 7 pins. Both quick-connect terminal base 1 and quick-connect terminal base 2 are of type FPM2.5-508.