Improved power supply monitoring device
By integrating the two power supplies onto the same circuit board, the problem of unstable 24V power supply in marine power monitoring devices is solved, and the system stability is improved.
Patent Information
- Application Number
- CN202423313331.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing marine power monitoring devices, the two power supplies are wired separately, resulting in unstable 24V power supply and affecting system stability.
The two power supplies are integrated on the same circuit board, and a stable power supply is achieved through aviation-grade mounting and wiring connections.
A stable 24V power supply was achieved, improving the stability of the monitoring power supply system.
Smart Images

Figure CN223745031U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of marine supporting equipment accessories, and relates to an improved power monitoring device, which comprises a waterproof junction box body, a grid plate, a first circuit board, a second circuit board and a switching power supply. BACKGROUND
[0002] At present, one 220V power supply and another 24V power supply in the power monitoring device applied to marine supporting equipment are respectively connected to one circuit board through lines, and this wiring mode of the two power supplies can not always guarantee 24V power supply in the use process, thereby reducing the stability of the monitoring power supply system. SUMMARY
[0003] In order to solve the problems in the background art, the utility model provides an improved power monitoring device, which solves the problem that the wiring of the two power supplies cannot always guarantee 24V power supply.
[0004] In order to achieve the above purpose, the technical measures of the utility model are as follows: an improved power monitoring device, which comprises a waterproof junction box body, a grid plate, a first circuit board, a second circuit board and a switching power supply, the side wall of the waterproof junction box body is respectively provided with an aviation square seat one, an aviation square seat two, an aviation square seat three, an aviation square seat four and an aviation square seat five, the inner cavity lower end of the waterproof junction box body is provided with the grid plate, the switching power supply, the first circuit board and the second circuit board are respectively installed on the grid plate through screws, the first circuit board and the second circuit board are connected to each other through lines, and the device is characterized in that the first power supply is introduced through the aviation square seat one and then connected to the switching power supply through lines, the switching power supply is connected to the first circuit board through lines, the second power supply is introduced through the aviation square seat two and then directly connected to the first circuit board through lines, the first circuit board is connected to the aviation square seat three through lines, and the first circuit board is connected to the aviation square seat four through lines.
[0005] The first power supply and the second power supply are integrated on the first circuit board, and the integrated mode can always guarantee 24V power supply, thereby improving the stability of the monitoring power supply system. BRIEF DESCRIPTION OF DRAWINGS
[0006] The utility model will be further described in detail in combination with the drawings and specific embodiments.
[0007] Figure 1 It is a top view of the combined connection structure of the utility model;
[0008] Figure 2 It is a side cut surface view of the combined connection structure of the utility model.
[0009] In the figure: 1 - waterproof terminal box body, 11 - aviation square seat one, 12 - aviation square seat two, 13 - aviation square seat three, 14 - aviation square seat four, 2 - grid plate, 3 - circuit board one, 4 - circuit board two, 5 - switching power supply. DETAILED DESCRIPTION
[0010] Figure 1 、 Figure 2 An improved power supply monitoring device is shown, which comprises a waterproof terminal box body 1, a grid plate 2, a circuit board one 3, a circuit board two 4, and a switching power supply 5. The side wall of the waterproof terminal box body 1 is respectively provided with an aviation square seat one 11, an aviation square seat two 12, an aviation square seat three 13, an aviation square seat four 14, and an aviation square seat five. The lower end of the inner cavity of the waterproof terminal box body 1 is provided with the grid plate 2. The grid plate 2 is respectively provided with the switching power supply 5, the circuit board one 3, and the circuit board two 4 through screws. The circuit board one 3 and the circuit board two 4 are connected to each other through lines, as shown in Figure 1 The first power supply is introduced through the aviation square seat one 11 and then connected to the switching power supply 5 through lines. The switching power supply 5 is connected to the circuit board one 3 through lines. The second power supply is introduced through the aviation square seat two 12 and then directly connected to the circuit board one 3 through lines. The circuit board one 3 is connected to the aviation square seat three 13 through lines. The circuit board one 3 is connected to the aviation square seat four 14 through lines.
[0011] The voltage of one of the above two power supplies is 220V, and the voltage of the other power supply is 24V.
Claims
1. An improved power supply monitoring device, comprising a waterproof junction box body, a grid plate, a circuit board one, a circuit board two, a switching power supply, the side wall of the waterproof junction box body is respectively provided with an aviation square seat one, an aviation square seat two, an aviation square seat three, an aviation square seat four, and an aviation square seat five, the lower end of the inner cavity of the waterproof junction box body is provided with a grid plate, the switching power supply, the circuit board one and the circuit board two are respectively installed on the grid plate through screws, and the circuit board one and the circuit board two are connected with each other through lines, characterized in that, The first power supply is introduced through the aviation square seat one, connected to the switching power supply through the line, and then connected to the circuit board one through the line. The second power supply is introduced through the aviation square seat two, directly connected to the circuit board one through the line. The circuit board one is connected to the aviation square seat three through the line, and connected to the aviation square seat four through the line.