CN220775625U - Power supply equipment - Google Patents

Abstract

The utility model relates to the technical field of power supplies and discloses power supply equipment, wherein a bottom plate is movably clamped at the bottom of a lower box body, a wire passing hole communicated with an upper box body is formed at the top of the lower box body, an alternating current circuit board module is fixed at the top of an inner cavity of the upper box body through a bracket, a direct current circuit board module is fixed at the top of the inner cavity of the lower box body through a bracket, an interface groove is formed at the bottom of the bottom plate, two J-shaped adapter connectors are fixed in the interface groove, a plugging mechanism is arranged below the interface groove on the bottom plate, a control mechanism connected with the plugging mechanism is arranged at one side of the bottom plate, a positioning mechanism is connected with the control mechanism, and a handle is fixed at the top of the upper box body. This power supply unit installs fixedly through four bolts for during the maintenance, only need dismantle four bolts, alright pull out the public female connection of J adapter, whole equipment takes off promptly, and whole operation step is few, and the flow is single, realizes the quick assembly disassembly effect of equipment, makes dismouting and maintenance more convenient.

Description

Power supply equipment

Technical Field

The utility model relates to the technical field of power supplies, in particular to power supply equipment.

Background

With the increasing development of electronic technology, the integration degree of electronic products is higher and higher. In the field of power supplies, the design and development of products are focused on the aspects of integration, reliability, conversion efficiency, power, anti-interference capability and the like. The power supply design and development types include a switching power supply, a linear power supply, a common power supply and the like, and related design and development technologies are mature, wherein the switching power supply is widely applied to almost all electronic equipment with the characteristics of small size, light weight and high efficiency, and is an indispensable power supply mode for rapid development of the electronic information industry at present.

At present, the design concept and method of the switching power supply are relatively mature in the aspects of integration level, anti-interference capability, heat dissipation, cost control and the like. However, in order to meet the teaching quality and demonstration effect, the design of convenient maintenance operation and safe operation is the aspect of the deficiency of the current power supply technology. The existing power supply module has small-volume direct insertion (or paste welding), lead connection, connector and other power supply connection modes. Because the teaching operation is mostly carried out by novice, the operation flow of the power supply connection mode is complex, and the risk of damaging devices and electric shock is provided. Therefore, the switch power supply equipment which is convenient to detach and install and has a certain safety protection is lacked to meet the teaching requirement.

Disclosure of Invention

The utility model aims to provide a power supply device, which solves the problems that the existing power supply module provided in the background technology has small-volume direct insertion (or paste welding), lead connection, connector and other power supply connection modes. Because the teaching operation is mostly carried out by novice, the operation flow of the power supply connection mode is complex, and the problems of certain damage to devices and electric shock risks are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power supply unit, includes box body and lower box body on the open bottom of all, go up the box body and pass through two bolt fastening at the top of box body down, the bottom activity card of box body has gone into the bottom plate down, the wire hole that is linked together with last box body is seted up at the top of box body down, it is fixed with the alternating current circuit board module through the support to go up the inner chamber top of box body, the inner chamber top of box body is fixed with the direct current circuit board module through the support down, the interface groove has been seted up to the bottom of bottom plate, the interface inslot is fixed with two J adapter, be equipped with shutoff mechanism on the bottom plate in the below of interface groove, be equipped with the control mechanism who is connected with shutoff mechanism in one side of bottom plate, control mechanism is connected with positioning mechanism, it is fixed with the handle to go up the box body top.

Preferably, fins are uniformly fixed at the top of the upper box body, flanges are arranged at the bottoms of two sides of the lower box body, and screw holes are formed in the flanges.

Preferably, the plugging mechanism comprises a sliding plate, a groove communicated with the interface groove is formed in the bottom of the bottom plate, sliding grooves are formed in two side edges of the groove, the sliding plate slides in the sliding grooves, and a through hole matched with the interface groove is formed in one side of the top of the sliding plate.

Preferably, a bulge is arranged on one side of the top of the bottom plate, a movable cavity is arranged in the bulge, a through groove communicated with the groove is arranged at the bottom of the movable cavity, and the control mechanism is arranged in the movable cavity.

Preferably, the control mechanism comprises an L-shaped rod, one end of the L-shaped rod penetrates through the through groove to be fixed at the top of the sliding plate, and the other end of the L-shaped rod extends outwards from the movable cavity to the outer side of the bulge part and is fixedly provided with the handle.

Preferably, the elastic piece cavity is formed in the bulge, the L-shaped rod penetrates through the elastic piece cavity, the positioning mechanism comprises an elastic piece, one end of the elastic piece is fixed on the inner wall of the elastic piece cavity, the other end of the elastic piece is fixed with a protruding block, and positioning grooves matched with the protruding block are formed in two sides of the top of the L-shaped rod.

Preferably, a notch is formed in one side of the lower box body, a clamping groove is formed in the inner wall of the notch, the bulge is inserted into the notch, and a clamping block clamped in the clamping groove is integrally formed in the outer side of the bulge.

Preferably, a clamping mechanism is arranged between the lower box body and the bottom plate, the clamping mechanism comprises pressing grooves arranged on two sides of the lower box body, clamping holes are formed in one sides of the pressing grooves, elastic pressing pieces are fixed on the inner walls of the pressing grooves, pressing convex columns used for being inserted into the clamping holes are fixed on one sides of the elastic pressing pieces, an elastic clamping plate is fixed on the top of the bottom plate, and protrusions clamped into the clamping holes are arranged on one sides of the elastic clamping plate.

Preferably, the two J-junctions are respectively electrically connected with the ac circuit board module and the dc circuit board module, and the ac circuit board module is electrically connected with the dc circuit board module.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

this power supply unit installs fixedly through four bolts for during the maintenance, only need dismantle four bolts, alright pull out the public female connection of J adapter, whole equipment takes off promptly, and whole operation step is few, and the flow is single, realizes the quick assembly disassembly effect of equipment, makes dismouting and maintenance more convenient, satisfies teaching quality and presentation effect. The equipment adopts the totally-enclosed form design, and the functional circuit board module is respectively arranged in two chambers, only uses two J adapter joints for input and output, realizes module integration, and the two J adapter joints are arranged in the interface groove in a sinking manner, so that the situation that the electrified adapter is touched by misoperation in the disassembly and assembly operation process can be prevented, the operation safety is improved, the design of a plugging mechanism is matched, the J adapter joints can be prevented from being stained with dust or damaged due to collision in the non-connection state, and the joint protection capability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional side view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a bump structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of an L-shaped rod according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a spring structure according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram illustrating a circuit relationship between an AC circuit board module and a DC circuit board module according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram illustrating a workflow between an AC circuit board module and a DC circuit board module according to an embodiment of the utility model;

FIG. 8 is a schematic diagram of a coupling suppression circuit according to an embodiment of the utility model;

FIG. 9 is a schematic diagram of an AC/DC conversion circuit according to an embodiment of the present utility model;

FIG. 10 is a schematic diagram of a DC conversion circuit according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram of a DC conversion circuit according to an embodiment of the utility model;

FIG. 12 is a schematic diagram of a monitoring circuit according to an embodiment of the utility model;

FIG. 13 is a schematic diagram of a second embodiment of the present utility model;

fig. 14 is an enlarged view of the area a of fig. 13 according to the present utility model.

Reference numerals illustrate: 1. an upper case; 2. a lower case; 3. a bottom plate; 4. an alternating current circuit board module; 5. a direct current circuit board module; 6. a handle; 7. a fin; 8. a J30 adapter; 9. screw holes; 10. a wire through hole; 201. a notch; 202. a clamping groove; 203. a pressing groove; 204. a resilient pressing sheet; 205. pressing the convex column; 206. a clamping hole; 301. an interface slot; 302. a groove; 303. a chute; 304. a sliding plate; 305. a through port; 306. a through groove; 307. a movable cavity; 308. a spring plate cavity; 309. a bulge; 310. an L-shaped rod; 311. a handle; 312. a positioning groove; 313. a clamping block; 314. a spring plate; 315. a bump; 316. and an elastic clamping plate.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

The existing power supply module has small-volume direct insertion (or paste welding), lead connection, connector and other power supply connection modes. Because the teaching operation is mostly carried out by novice, the operation flow of the power supply connection mode is complex, and the risk of damaging devices and electric shock is provided. Therefore, the scheme is convenient to detach and install, and the switching power supply equipment with a certain safety protection is designed to meet the teaching requirement.

Referring to fig. 1-12, the present utility model provides a technical solution: a power supply device comprises an upper box body 1 and a lower box body 2 which are open at the bottom; the casings of the upper box body 1 and the lower box body 2 are made of metal materials, so that the anti-interference capability of power equipment is guaranteed, the upper box body 1 is fixed at the top of the lower box body 2 through two bolts, and in addition, the bottom of the lower box body 2 is provided with a bottom plate 3, so that the upper box body 1, the lower box body 2 and the bottom plate 3 form a closed box body with two box body chambers.

In order to facilitate the wire leading between the two box bodies, a wire through hole 10 communicated with the upper box body 1 is formed at the top of the lower box body 2; the number of the via holes 10 is two, and the two via holes are used for inserting an AC220V cable and a DC cable.

The top of the inner cavity of the upper box body 1 is fixed with an alternating current circuit board module 4 through a bracket, and the top of the inner cavity of the lower box body 2 is fixed with a direct current circuit board module 5 through a bracket;

the ac circuit board module 4 mainly functions as: the input AC220V is converted to DC84V.

The direct current circuit board module 5 mainly has the following functions: the input DC84V is converted into DC32V, DC V and DC + -8V required by the radar system, and meanwhile, the working state of the whole power module is monitored and uploaded to the upper system.

An interface groove 301 is formed in the bottom of the bottom plate 3, and two J30 adapter joints 8 are fixed in the interface groove 301; the two J30 adapter connectors 8 are respectively intercommunication connectors between the alternating current circuit board and the outside and between the direct current circuit board and the outside.

Referring to fig. 6, an external AC220V supplies power to the power supply device through a J30 adapter 8, and enters an AC/dc circuit board module 5 after passing through an EMC filter circuit of the AC circuit board module 4; the DC84V output by the AC/DC conversion circuit of the AC circuit board module 4 is input into the DC/DC conversion circuit of the DC circuit board module 5, and finally is output to a superior system through the other J30 adapter 8; the direct current circuit board module 5 comprises a monitoring circuit which monitors the working condition of the alternating current and direct current circuit board in real time and uploads the information to an upper system.

Referring to fig. 7, after the power supply device supplies AC220V, AC/dc conversion is performed on the AC circuit board module 4, and the monitoring circuit detects the working condition of the process, if there is a fault, the fault is uploaded to the upper system, and if the fault is normal, the converted dc is input to the dc circuit board module 5. The direct current circuit board module 5 further converts the input direct current into the DC32V, DC V and the DC + -8V which are required to be output by the system, and the checking circuit also detects the working condition of the process, if the fault exists, the fault is uploaded to an upper system, and if the fault exists, the working condition of the circulating circuit is monitored.

Referring to fig. 8, the emc filter circuit design is divided into differential mode interference and common mode interference according to different interference frequencies, the differential mode interference is mainly concentrated below 1MHz, and the common mode interference is concentrated above 1 MHz. The EMC design of the equipment mainly comprises circuit control measures and coupling inhibition measures, wherein the circuit control measures mainly comprise circuit board layout and weak current signal filtering design; the coupling inhibition measure is a filter circuit of an alternating current input end, and the filter circuit comprises a differential mode filter circuit and a common mode filter circuit.

Referring to fig. 9, the device adopts a flyback switching power supply mode to convert AC220V into DC84V, and the upper system performs isolation control on the working state of the conversion circuit.

Referring to fig. 10 and 11, the DC-DC conversion is divided into flyback test operation and module conversion, and a DC/DC module with relatively low cost is selected because ±8v is a low power consumption operation.

Referring to fig. 12, the present apparatus monitors the voltage range of each path of power supply output, performs resistance proportional distribution on the monitored voltage, and compares the monitored voltage with a reference 5V to obtain whether the monitored voltage is too high or too low, and the upper system may determine the current circuit working condition through a feedback signal.

Referring to fig. 1 to 5, a control mechanism connected with a plugging mechanism is arranged on one side of a bottom plate 3, and the control mechanism is connected with a positioning mechanism; a plugging mechanism is arranged below the interface groove 301 on the bottom plate 3; the plugging mechanism comprises a sliding plate 304, a groove 302 communicated with the interface groove 301 is formed in the bottom of the bottom plate 3, sliding grooves 303 are formed in two side edges of the groove 302, the sliding plate 304 slides in the sliding grooves 303, and a through hole 305 matched with the interface groove 301 is formed in one side of the top of the sliding plate 304. A bulge 309 is arranged on one side of the top of the bottom plate 3, a movable cavity 307 is arranged in the bulge 309, a through groove 306 communicated with the groove 302 is arranged at the bottom of the movable cavity 307, and a control mechanism is arranged in the movable cavity 307. The control mechanism includes an L-shaped rod 310, one end of the L-shaped rod 310 is fixed to the top of the slide plate 304 through the through groove 306, and the other end of the L-shaped rod 310 extends outward from the inside of the movable cavity 307 to the outside of the ridge 309 and is fixed with a handle 311. The L-shaped rod 310 can be driven to move by pulling the handle 311, the L-shaped rod 310 drives the sliding plate 304 to slide under the guiding of the sliding groove 303, so that the through hole 305 at the upper end of the sliding plate 304 is wrong in the interface groove 301, one side of the sliding plate 304 without the through hole 305 is blocked below the interface groove 301, the blocking of the interface groove 301 is realized, the J30 adapter 8 can be prevented from being exposed outside and being polluted by impurities such as dust when being not connected by the blocking design, the conductive contact of the J30 adapter 8 is prevented from being influenced by dust and foreign matters, the collision damage can be prevented, and the protection capability is improved.

The bulge 309 is internally provided with a spring plate cavity 308, the L-shaped rod 310 penetrates through the spring plate cavity 308, the positioning mechanism comprises a spring plate 314, one end of the spring plate 314 is fixed on the inner wall of the spring plate cavity 308, the other end of the spring plate 314 is fixed with a bump 315, and two sides of the top of the L-shaped rod 310 are provided with positioning grooves 312 matched with the bump 315. The projection 315 is pushed by the spring 314 to be clamped into the positioning slot 312, so that the L-shaped rod 310 is locked to a certain extent when moving to the open and closable position, and is not easy to move freely.

A notch 201 is formed in one side of the lower box body 2, a clamping groove 202 is formed in the inner wall of the notch 201, a bulge 309 is inserted into the notch 201, and a clamping block 313 clamped into the clamping groove 202 is integrally formed on the outer side of the bulge 309. This design can improve the tightness between the lower case 2 and the bottom plate 3.

A handle 6 is fixed on the top of the upper box body 1. In order to facilitate the disassembly and assembly operation in the use process, the humanized handle 6 is considered in the structural aspect to facilitate the disassembly and assembly.

The top of going up box body 1 evenly is fixed with fin 7 for the heat dissipation, and the both sides bottom of lower box body 2 all is equipped with the flange, and has seted up screw hole 9 on the flange, and screw hole 9 sets up to two of symmetry, and this whole equipment can accomplish the installation through four bolts, can improve dismouting speed and convenience.

To sum up, this electrical power generating equipment installs fixedly through four bolts for during the maintenance, only need dismantle four bolts, alright pull out the public female connection of J30 adapter 8, whole equipment takes off promptly, and whole operating procedure is few, and the flow is single, realizes the quick assembly disassembly effect of equipment, makes dismouting and maintenance more convenient, satisfies teaching quality and presentation effect. The equipment adopts totally-enclosed form design, and functional circuit board module sets up respectively in two cavitys, only supplies input and output with two J30 adapter 8, has realized the module integration, and set up two J30 adapter 8 subsides in interface groove 301, thereby can prevent that the maloperation from touching the condition emergence of electrified joint in the dismouting operation process, improved the operation security, and cooperation shutoff mechanism design, can prevent that J30 adapter 8 from being stained with dust or being damaged because of the collision when non-connected state, improved joint protective capability.

Examples

Referring to fig. 13 and 14, the bottom plate 3 is connected with the lower case 2 through a clamping mechanism, the clamping mechanism includes a pressing slot 203 disposed on two sides of the lower case 2, a clamping hole 206 is formed on one side of the pressing slot 203, an elastic pressing piece 204 is fixed on an inner wall of the pressing slot 203, a pressing post 205 for inserting into the clamping hole 206 is fixed on one side of the elastic pressing piece 204, an elastic clamping plate 316 is fixed on a top of the bottom plate 3, and a protrusion clamped in the clamping hole 206 is disposed on one side of the elastic clamping plate 316. The pressing convex column 205 can be pushed to be inserted into the clamping hole 206 by pressing the elastic pressing sheet 204, and then the pressing convex column 205 props against the bulge of the elastic clamping plate 316 clamped in the clamping hole 206, so that the elastic clamping plate 316 is not clamped in the clamping hole 206 any more, and the bottom plate 3 and the lower box body 2 are rapidly separated; when the bottom plate 3 and the lower box 2 are closed, the protrusions of the elastic clamping plate 316 can be automatically clamped into the clamping holes 206 to complete locking.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, and are not meant to limit the scope of the utility model, but to limit the utility model thereto.

Claims (9)

1. The utility model provides a power supply unit, includes box body (1) and lower box body (2) that all bottom is open, its characterized in that: the utility model discloses a box body, including box body (1) and interface groove (301), box body (2) are fixed at the top of box body (2) down through two bolts, bottom activity card of box body (2) has gone into bottom plate (3), wire passing hole (10) that are linked together with last box body (1) are seted up at the top of box body (2) down, it is fixed with alternating current circuit board module (4) through the support to go up box body (1) inner chamber top, the inner chamber top of box body (2) is fixed with direct current circuit board module (5) through the support down, interface groove (301) have been seted up to the bottom of bottom plate (3), interface groove (301) internal fixation has two J30 adapter (8), be equipped with plugging mechanism on bottom plate (3) in the below of interface groove (301), be equipped with the control mechanism who is connected with plugging mechanism in one side of bottom plate (3), control mechanism is connected with positioning mechanism, it is fixed with handle (6) to go up box body (1) top.

2. A power supply apparatus according to claim 1, characterized in that: fins (7) are uniformly fixed at the top of the upper box body (1), flanges are arranged at the bottoms of two sides of the lower box body (2), and screw holes (9) are formed in the flanges.

3. A power supply apparatus according to claim 1, characterized in that: the plugging mechanism comprises a sliding plate (304), a groove (302) communicated with the interface groove (301) is formed in the bottom of the bottom plate (3), sliding grooves (303) are formed in two side edges of the groove (302), the sliding plate (304) slides in the sliding grooves (303), and a through hole (305) matched with the interface groove (301) is formed in one side of the top of the sliding plate (304).

4. A power supply apparatus according to claim 3, characterized in that: the bottom plate (3) top one side is equipped with bellying (309), be equipped with movable chamber (307) in bellying (309), the bottom of movable chamber (307) is equipped with logical groove (306) that are linked together with recess (302), control mechanism sets up in movable chamber (307).

5. A power supply apparatus according to claim 4, characterized in that: the control mechanism comprises an L-shaped rod (310), one end of the L-shaped rod (310) penetrates through the through groove (306) to be fixed at the top of the sliding plate (304), and the other end of the L-shaped rod (310) extends outwards from the inside of the movable cavity (307) to the outer side of the bulge (309) and is fixedly provided with a handle (311).

6. A power supply apparatus according to claim 5, characterized in that: the elastic piece cavity (308) is formed in the bulge (309), the L-shaped rod (310) penetrates through the elastic piece cavity (308), the positioning mechanism comprises an elastic piece (314), one end of the elastic piece (314) is fixed on the inner wall of the elastic piece cavity (308), the other end of the elastic piece (314) is fixed with a protruding block (315), and positioning grooves (312) matched with the protruding block (315) are formed in two sides of the top of the L-shaped rod (310).

7. A power supply apparatus according to claim 6, characterized in that: one side of lower box body (2) has seted up opening (201), draw-in groove (202) have been seted up to the inner wall of opening (201), protruding portion (309) inserts in opening (201), the outside integrated into one piece of protruding portion (309) has fixture block (313) of card income in draw-in groove (202).

8. A power supply apparatus according to claim 1, characterized in that: set up chucking mechanism between lower box body (2) and bottom plate (3), chucking mechanism is including setting up pressing groove (203) in lower box body (2) both sides, clamping hole (206) have been seted up to pressing groove (203) one side, are fixed with elasticity pressing piece (204) at pressing groove (203) inner wall, one side of elasticity pressing piece (204) is fixed with and is used for inserting pressing projection (205) in clamping hole (206), the top of bottom plate (3) is fixed with elastic clamping plate (316), one side of elastic clamping plate (316) is equipped with the arch of card income in clamping hole (206).

9. A power supply apparatus according to claim 1, characterized in that: the two J30 adapter (8) are respectively and electrically connected with the alternating current circuit board module (4) and the direct current circuit board module (5), and the alternating current circuit board module (4) is electrically connected with the direct current circuit board module (5).