Direct-current stabilized power supply
By introducing safety protection measures such as dustproof heat dissipation plates, inductive metal plates, and leakage alarm lights into the DC regulated power supply, the problem of leakage due to aging of the circuit is solved, timely alarm and power cut-off for leakage are realized, and the safety of use is improved.
Patent Information
- Application Number
- CN202423191331.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing DC regulated power supplies suffer from aging circuits and leakage, which prevents leakage current protectors from detecting in time, posing a risk of electric shock to users.
A DC regulated power supply was designed, which includes a power supply structure and a dustproof structure. It adopts safety protection measures such as a dustproof heat sink, an inductive metal plate, a leakage alarm light, and a power-off switch to ensure timely alarm and power cut-off in case of leakage.
It effectively prevents leakage current by sensing leakage current and cutting off power in time, thus improving safety and preventing short circuits and electric shock accidents.
Smart Images

Figure CN223758166U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of stabilized power supply, concretely to a direct current stabilized power supply. BACKGROUND
[0002] Stabilized power supply is an electronic device that can provide stable AC or DC power for the load, including AC stabilized power supply and DC stabilized power supply two categories. When the grid voltage or load appears instantaneous fluctuation, the stabilized power supply will compensate the voltage amplitude with 10-30ms response speed, so that it is stable within ±2%.
[0003] After searching, the patent publication number CN211930511U discloses a direct current stabilized power supply, which comprises a bottom plate, a heat dissipation shell, a circuit board, a self-vertically dustproof heat dissipation device and a moisture-proof device, wherein: the bottom plate is fixedly connected with the heat dissipation shell to form a hollow cavity structure, and the bottom plate is provided with the circuit board; the circuit board is provided with a heat dissipation fan and a PLC control device, and the heat dissipation fan, the PLC control device and the circuit board are electrically connected; the heat dissipation shell is provided with an air inlet channel penetrating through the heat dissipation shell, and the air inlet channel is arranged in an inverted "L" shape. The utility model can avoid dust and humid gas from entering the device interior while ensuring normal ventilation and heat dissipation. Although the application can solve the problem that dust falls on electronic components through the heat dissipation hole, and water vapor easily accumulates on electronic components, which may cause equipment short circuit after a long time, the power supply itself may have a line aging problem. The position of the line aging and leakage may not be sensed by the leakage protector, resulting in electric shock of the user. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of the prior art, the utility model aims to provide a direct current stabilized power supply, which aims to solve the problem that the power supply itself may have a line aging problem, the position of the line aging and leakage may not be sensed by the leakage protector, resulting in electric shock of the user.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.
[0006] A direct current stabilized power supply comprises a power supply structure and a dustproof structure, and the top of the power supply structure is provided with the dustproof structure.
[0007] The power supply structure is composed of a device body and an opening and closing plate, both sides of the bottom of the device body are provided with insulating bases, a cavity is formed in the outer surface of the device body, a protective cover is arranged outside the cavity, a display screen is arranged on the top of the cavity, an electro-sensitive metal plate is arranged below the display screen, a plurality of three-pin sockets are arranged below the electro-sensitive metal plate, three plug-in grooves are formed in the outer side of the three-pin sockets, insulating pads are arranged around the plug-in grooves, a power-off switch is arranged on the side wall of one side of the device body, an electric leakage alarm lamp is arranged on the top of the side wall of the other side of the device body, an opening and closing plate is arranged below the electric leakage alarm lamp, a pull handle is arranged outside the opening and closing plate, a two-pin socket is arranged on the back side of the opening and closing plate, a plurality of plug-in holes are formed in the bottom of the two-pin socket, limiting seats are arranged above and below the plug-in holes, rubber pads are arranged on the side of the limiting seats close to the plug-in holes.
[0008] Preferably, the dustproof structure is composed of a mounting seat and a dustproof heat dissipation plate, an installation groove is formed in the outer side of the mounting seat, the dustproof heat dissipation plate is inserted into the installation groove, and a dustproof filter screen is arranged in the dustproof heat dissipation plate.
[0009] Preferably, the protective cover is inserted outside the cavity, and the two sides of the bottom of the protective cover are connected with the device body through rotating shafts, and a handle is arranged on the top of the outer side of the protective cover.
[0010] Preferably, the electro-sensitive metal plate is electrically connected with the electric leakage alarm lamp.
[0011] Preferably, the device body and the opening and closing plate are in a hollow structure, and the two-pin socket is inserted into the inside of the side wall of one side of the device body through the opening and closing plate.
[0012] Preferably, the power-off switch is in control connection with the device body.
[0013] Preferably, the mounting seat is fixedly arranged on the top of the device body, and the inside of the device body is in communication with the mounting seat.
[0014] Compared with the prior art, the power supply device has the advantages that:
[0015] The utility model discloses a power structure can be opened to the hinged board through the pull -out handle, and the device of two prong plug is inserted into the plug -in hole on two prong socket, and the limiting seat above and below the plug -in hole can fix the plug, and the rubber pad can increase the friction and prevent the plug from loosening, when the high -power electric appliance is used, the protection cover is opened through the handle, and the triangular plug is inserted into the plug -in slot on three prong socket, and the insulating pad can effectively prevent the electric leakage, when the power structure appears the electric leakage, the electrified metal sheet becomes the electrified structure, and the electric leakage alarm lamp changes from green light into red light, reminding people to be careful, and through the power -off switch and shut down, thereby safely maintaining. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the cavity internal structure schematic diagram of the utility model;
[0018] Figure 3 It is the two prong socket whole structure schematic diagram of the utility model.
[0019] In the drawing: 1, power structure;11, device body;111, cavity;112, three prong socket;113, insulating pad;114, plug -in slot;115, display screen;116, electrified metal sheet;12, protection cover;121, handle;13, insulating base;14, electric leakage alarm lamp;15, hinged board;151, pull -out handle;152, two prong socket;153, limiting seat;154, rubber pad;155, plug -in hole;16, power -off switch;2, dustproof structure;21, mounting seat;211, mounting slot;22, dustproof heat dissipation plate;221, dustproof filter screen. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all the other embodiments obtained by the ordinary skilled in the art without creative work on the basis of the embodiments of the utility model belong to the protection scope of the utility model.
[0021] Embodiment:
[0022] Please refer to Figures 1-3The utility model provides a direct current voltage regulator, including power supply structure 1 and dustproof structure 2, and the top of power supply structure 1 is installed with dustproof structure 2, power supply structure 1 is composed of device body 11 and open and close board 15, both sides of the bottom of device body 11 are installed with insulating base 13, and the outer surface of device body 11 is provided with cavity 111, the outside of cavity 111 is installed with protective cover 12, the top of the inside of cavity 111 is installed with display screen 115, the below of display screen 115 is installed with electric metal plate 116, the below of electric metal plate 116 is installed with several three -prong socket 112, and the outside of three -prong socket 112 is provided with three plug -in slots 114, and the periphery of plug -in slot 114 is equipped with insulating pad 113, and the side wall of one side of device body 11 is installed with power-off switch 16, and the top of the side wall of the other side of device body 11 is installed with electric leakage alarm lamp 14, and the below of electric leakage alarm lamp 14 is installed with open and close board 15, and the outside of open and close board 15 is installed with pull handle 151, and the back of open and close board 15 is installed with two -prong socket 152, and the bottom of two -prong socket 152 is provided with several plug -in holes 155, and the above and below of plug -in hole 155 are installed with limit seat 153, and the side of limit seat 153 close to plug -in hole 155 is installed with rubber pad 154, can open open and close board 15 through pull handle 151, and the equipment of two -prong plug is inserted into the plug -in hole 155 of two -prong socket 152, and the limit seat 153 above and below plug -in hole 155 can fix the plug, and rubber pad 154 can increase friction and prevent the plug from loosening, when the high -power electric appliance is used, open protective cover 12 through handle 121, and the plug of triangular plug is inserted into the plug -in slot 114 of three -prong socket 112, and insulating pad 113 can effectively prevent electric leakage, when power supply structure 1 appears electric leakage, electric metal plate 116 becomes the electrified structure, and electric leakage alarm lamp 14 changes from green light to red light, reminds people to be careful, and is closed through power-off switch 16, to carry out maintenance safely.
[0023] Please refer to Figure 1 Dustproof structure 2 is composed of mounting seat 21 and dustproof heat dissipation plate 22, and the outside of mounting seat 21 is provided with mounting groove 211, and dustproof heat dissipation plate 22 is inserted into mounting groove 211, and dustproof heat dissipation plate 22 is installed with dustproof filter screen 221 in the inside, and the heat when power supply structure 1 operates can be dissipated through mounting seat 21, and dustproof heat dissipation plate 22 can effectively prevent dust from entering the inside of device body 11 and affect the operation of power supply structure 1.
[0024] Please refer to Figure 1 Protective cover 12 is inserted into the outside of cavity 111, and the bottom of protective cover 12 is connected with device body 11 through rotating shaft between both sides, and the top of the outside of protective cover 12 is installed with handle 121, and protective cover 12 can be opened and closed from cavity 111 through rotating shaft.
[0025] Please refer to Figures 1-2The electric metal plate 116 is electrically connected with the electric leakage alarm lamp 14, when the power supply structure 1 appears electric leakage, the electric metal plate 116 becomes the electrified structure, the electric leakage alarm lamp 14 changes from green light to red light, reminding people to be careful.
[0026] Please refer to Figures 1-2 The two-pin socket 152 is inserted into the inside of the side wall of the device body 11 through the opening and closing plate 15, when not in use, the two-pin socket 152 can be hidden, reducing the occupied space.
[0027] Please refer to Figures 1-2 The power-off switch 16 is control connected with the device body 11, when the power supply structure 1 appears electric leakage, the power-off switch 16 is closed, so as to safely maintain.
[0028] Please refer to Figure 1 The mounting seat 21 is fixedly installed on the top of the device body 11, and the inside of the device body 11 is communicated with the mounting seat 21, the heat generated by the power supply structure 1 can be dissipated through the mounting seat 21, and the dust heat dissipation plate 22 can effectively prevent dust from entering the inside of the device body 11.
[0029] Working principle: the opening and closing plate 15 is opened by pulling the handle 151, the equipment of the two-pin plug is inserted into the insertion hole 155 of the two-pin socket 152, the limiting seat 153 above and below the insertion hole 155 can fix the plug, the rubber pad 154 can increase the friction, preventing the plug from loosening, when the high-power electric appliance is used, the protective cover 12 is opened by the handle 121, the triangular plug is inserted into the insertion slot 114 of the three-pin socket 112, the insulating pad 113 can effectively prevent electric leakage, when the power supply structure 1 appears electric leakage, the electric metal plate 116 becomes the electrified structure, the electric leakage alarm lamp 14 changes from green light to red light, reminding people to be careful, and the power-off switch 16 is closed, so as to safely maintain, the heat generated by the power supply structure 1 can be dissipated through the mounting seat 21, and the dust heat dissipation plate 22 can effectively prevent dust from entering the inside of the device body 11, affecting the operation of the power supply structure 1, the device has the advantages of simple structure, convenient use and high safety.
[0030] All the technical features in the embodiment can be freely combined according to actual needs.
[0031] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.
Claims
1. A direct current stabilized power supply comprising a power supply structure (1) and a dustproof structure (2), characterized in that: The top of the power supply structure (1) is provided with a dustproof structure (2); The power supply structure (1) is composed of a device body (11) and an opening and closing plate (15), both sides of the bottom of the device body (11) are provided with insulating bases (13), a cavity (111) is formed in the outer surface of the device body (11), a protective cover (12) is arranged on the outer side of the cavity (111), a display screen (115) is arranged on the top of the cavity (111), a current sensing metal plate (116) is arranged below the display screen (115), a plurality of three-pin sockets (112) are arranged below the current sensing metal plate (116), three plug-in grooves (114) are formed in the outer side of the three-pin socket (112), insulating pads (113) are arranged around the plug-in grooves (114), a power-off switch (16) is arranged on the side wall of one side of the device body (11), a ground fault alarm lamp (14) is arranged on the top of the side wall of the other side of the device body (11), the opening and closing plate (15) is arranged below the ground fault alarm lamp (14), a pull handle (151) is arranged on the outer side of the opening and closing plate (15), a two-pin socket (152) is arranged on the back side of the opening and closing plate (15), a plurality of plug-in holes (155) are formed in the bottom of the two-pin socket (152), limit seats (153) are arranged above and below the plug-in holes (155), rubber pads (154) are arranged on the side of the limit seats (153) close to the plug-in holes (155).
2. A DC regulated power supply as claimed in claim 1, characterized in that: The dustproof structure (2) is composed of a mounting seat (21) and a dustproof heat dissipation plate (22), the outer side of the mounting seat (21) is provided with a mounting groove (211), the dustproof heat dissipation plate (22) is inserted into the mounting groove (211), and the dustproof heat dissipation plate (22) is internally provided with a dustproof filter screen (221).
3. A DC regulated power supply as claimed in claim 1, characterized in that: The protective cover (12) is inserted into the outer side of the cavity (111), and the protective cover (12) is connected between the two sides of the bottom and the device body (11) through a rotating shaft, and a handle (121) is arranged on the top of the outer side of the protective cover (12).
4. A DC regulated power supply as claimed in claim 1, characterized in that: The current sensing metal plate (116) is electrically connected with the ground fault alarm lamp (14).
5. A DC regulated power supply as claimed in claim 1, characterized in that: The device body (11) and the opening and closing plate (15) are in a hollow structure, and the two-pin socket (152) is inserted into the inside of the side wall of one side of the device body (11) through the opening and closing plate (15).
6. A DC regulated power supply as claimed in claim 1, characterized in that: The power-off switch (16) is control connected with the device body (11).
7. A DC regulated power supply as claimed in claim 2, characterized in that: The mounting seat (21) is fixedly installed on the top of the device body (11), and the inside of the device body (11) is connected with the mounting seat (21).
Citation Information
Patent Citations
DC stabilized power supply
CN211930511U