CN218472303U - High-precision AC constant-current source - Google Patents

Abstract

The utility model relates to a high accuracy exchanges constant current source, including the power supply body that is used for electronic components production, protection machanism, it includes protection subassembly and coupling assembling, wherein, protection subassembly, its set up with on the power supply body wiring end, coupling assembling, it set up in protection subassembly with between the power supply body wiring end, supplementary fixed establishment, its with power supply body wiring end rotatable coupling is used for the restriction protection subassembly is installed in proper order on power supply body wiring end wiring hole through protection subassembly and coupling assembling's cooperation, and coupling assembling restriction protection subassembly one end simultaneously, and the supplementary fixed establishment of cooperation restriction one end realizes the independent duplicate protection in power supply body wiring end wiring hole, can block the dust and get into, reduces the interference of follow-up wiring to switch-on circuit current output, guarantees the normal operation of binding apparatus.

Description

High-precision AC constant-current source

Technical Field

The utility model relates to a constant current source field, concretely relates to high accuracy exchanges constant current source.

Background

The alternating current constant current source is a switch linear composite alternating current constant current power supply, adopts linear power amplifier output to realize high-precision current stabilization, can overcome current change caused by power grid voltage fluctuation, loop resistance change and product internal resistance change, and is mainly used for detecting thermal relays, plastic shell circuit breakers, small-sized short-circuit breakers and production occasions needing setting of rated current, action current, short-circuit protection current and the like.

At present, a high-precision alternating current constant current source is connected by a porous connecting terminal, an interface of the high-precision alternating current constant current source connecting terminal is normally communicated with the outside, a large amount of dust can be accumulated in the unused connecting hole when the connecting hole is in an empty state for a long time, and subsequent connection interferes with current output of a connecting line to influence normal operation of connecting equipment.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides a high accuracy exchanges constant current source to solve high accuracy and exchange constant current source binding post interface normality and external intercommunication, under the wiring hole that does not put into use was in vacant state for a long time, inside can save a large amount of dusts, and follow-up rewiring can disturb the current output of switch-on circuit, influences rather than the normal moving problem of jointing equipment.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

high accuracy exchanges constant current source, including the power supply body that is used for electronic components production:

a protective mechanism comprising a protective component and a connection component, wherein,

the protection component is arranged on the power supply body wiring end;

a connection assembly disposed between the protection assembly and the power supply body terminal;

and the auxiliary fixing mechanism is rotatably connected with the power supply body terminal and is used for limiting the protection component.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the protection component consists of a long plate and a short plate which are vertically connected, and the long plate and the short plate are respectively arranged on the corresponding connecting holes of the wiring end of the power supply body.

Furthermore, the short plate is provided with a mounting hole, and the connecting assembly comprises a fixing part arranged in the mounting hole and a limiting part arranged on the long plate.

Furthermore, the fixing part comprises a positioning column with one end arranged in the mounting hole, the other end of the positioning column is positioned on the long plate, and the fixing part further comprises a fastening piece arranged on the positioning column.

Furthermore, the auxiliary fixing mechanism comprises rotating rods symmetrically arranged on the wiring end of the power supply body and a limiting plate arranged between the rotating rods.

Furthermore, the limiting plate is located below the long plate, and a clamping groove corresponding to the long plate is formed in the limiting plate.

Furthermore, the power supply body is provided with a wiring assembly, and the wiring assembly comprises a positioning plate arranged on the power supply body and a wiring groove plate arranged on the positioning plate.

Furthermore, the routing groove plate is located below the limiting plate, and the routing groove plate corresponds to the clamping groove.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the utility model discloses a set up protection machanism and supplementary fixed establishment, through protection subassembly and coupling assembling's cooperation, install in proper order on the power supply body wiring end wiring hole, coupling assembling restriction protection subassembly one end simultaneously, the supplementary fixed establishment restriction one end of cooperation realizes the independent dual protection in power supply body wiring end wiring hole, can block the dust and get into, reduces the interference of follow-up wiring to the output of switch-on circuit current, guarantees the normal operation of junction device.

Drawings

Fig. 1 is a schematic structural diagram of a high-precision ac constant current source according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

fig. 3 is a schematic view illustrating a connection between the protection mechanism and the power supply body according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a fixing portion in an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a power supply body; 2. a protection mechanism; 21. a protection component; 22. a connecting assembly; 221. a fixed part; 2211. a positioning column; 2212. a fastener; 222. a limiting member; 3. an auxiliary fixing mechanism; 31. a rotating rod; 32. a limiting plate; 4. mounting holes; 5. a card slot; 6. a routing assembly; 61. a routing assembly; 62. and a routing slot plate.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatial relationship terms, such as "under", "below", "beneath", "below", "over", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

Referring to fig. 1-4, in the present embodiment, the high-precision ac constant current source includes a power supply body 1 for electronic component production:

the protection mechanism 2, which comprises a protection component 21 and a connecting component 22, wherein,

a protection component 21 arranged on the wiring end of the power supply body 1;

a connection assembly 22 disposed between the protection assembly 21 and the terminal of the power supply body 1;

and an auxiliary fixing mechanism 3 rotatably connected to the terminal of the power supply body 1 for restraining the protection member 21.

In the prior art, the high-precision alternating current constant current source terminal is a traditional terminal, an interface for wiring is arranged downwards, a Kong Chaoqian for operating a bolt is arranged, in a normal state, a threaded end of the bolt for fixing the connecting wire penetrates into the wiring interface to press the internal pole pieces together, the interface is exposed outside, and dust is easily accumulated in an empty state.

Based on the aforesaid, this implementation plugs up two interfaces of power supply body 1 through coupling assembling 22, the protection subassembly 21 of integrative setting is simultaneously at coupling assembling 22 and the cooperation of supplementary fixed establishment 3, fixed cover is outside power supply body 1 wiring end, when power supply body 1 wiring end wiring like this, through dismantling coupling assembling 22, take protection subassembly 21 out from between power supply body 1 and the supplementary fixed establishment 3, and other not wiring position, under coupling assembling 22 and protection subassembly 21's duplicate protection, realize isolated dust, reduce the interference of follow-up wiring to switch-on circuit current output, guarantee the normal operating of wiring equipment.

Referring to fig. 1-4, the protection device 21 is composed of a long board and a short board which are vertically connected, and the long board and the short board are respectively disposed on the corresponding connection holes of the power supply body 1.

Two interfaces based on above-mentioned power supply body 1 set up respectively down and forward, and the long slab of protection subassembly 21 corresponds wiring interface setting down, and the short slab corresponds the handle hole setting of bolt, blocks two interfaces like this, realizes blockking the purpose that the dust got into.

Referring to fig. 1-4, the short plate is provided with a mounting hole 4, the connecting assembly 22 includes a fixing portion 221 disposed in the mounting hole 4 and a limiting member 222 disposed on the long plate, the fixing portion 221 includes a positioning post 2211 having one end disposed in the mounting hole 4, the other end of the positioning post 2211 is disposed on the long plate, and the fixing portion 221 further includes a fastening member 2212 disposed on the positioning post 2211.

Based on the above, the fastening means 2212 is a fixing bolt, and when the power supply body 1 adopts the conventional connection terminal for connection, the bolt for fixing the connection line is normally inserted into the connection interface, and in this embodiment, after the positioning column 2211 is inserted into the operation hole of the bolt, the fastening means 2212 is matched with the positioning column 2211 to be connected with the connection terminal of the power supply body 1, so as to fix the short plate on the connection terminal.

After the long plate is arranged on the terminal, the limiting part 222 can enter the terminal port to block the port, and the long plate is matched for protection, meanwhile, in order to facilitate the removal of the short plate and the long plate, the limiting part 222 can be selected as a rubber point, and the side edge corresponding to the removal direction of the long plate is an inclined edge, so that when the long plate is pulled, the limiting part 222 can be quickly moved out of the port.

Referring to fig. 1-4, the auxiliary fixing mechanism 3 includes rotating rods 31 symmetrically disposed on the terminals of the power supply body 1 and limiting plates 32 disposed between the rotating rods 31, the limiting plates 32 are disposed under the long plate, and the limiting plates 32 are provided with slots 5 corresponding to the long plate.

Supplementary fixed establishment 3 of this embodiment puts up limiting plate 32 in long slab below through bull stick 31, restricts long slab one end, and the long slab other end is stabilized and is set up in the wiring end below under the effect that the short slab is fixed by fastener 2212 like this, protects the wiring end interface.

After the short board and the long board are removed to complete wiring, the connecting wires are kept at certain intervals and sorted under the action of the sub-interfaces, so that the connecting wires are likely to loose from the wiring terminals under the action of external force, and therefore the limiting plate 32 arranged in situ is provided with the clamping grooves 5 corresponding to the interfaces, the connecting wires can be clamped on the clamping grooves 5, and the effect of the external force on the connection positions of the wiring terminals and the connecting wires is reduced.

Further, the power supply body 1 is provided with the wiring assembly 6, the wiring assembly 6 includes a positioning plate 61 arranged on the power supply body 1 and a wiring groove plate 62 arranged on the positioning plate 61, the wiring groove plate 62 is located below the limiting plate 32, and the wiring groove plate 62 corresponds to the clamping groove 5.

Because the 1 terminal connection interface of power supply body is down, and the interface is less, still brings inconvenience for the staff during actual installation, consequently through the locating plate 61 of walking line subassembly 6, carries out the sign with terminal connection interface, can make things convenient for the staff to find the connecting wire import fast, and after the connecting wire inserts, when the card goes into draw-in groove 5, also can press into and walk line frid 62, further to the connecting wire restriction for the connecting wire is connected stably with the wiring end.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. A high-precision alternating current constant current source comprises a power supply body (1) for producing electronic components and is characterized in that,

a protection mechanism (2) comprising a protection component (21) and a connection component (22), wherein,

a protection component (21) arranged on a wiring end of the power supply body (1);

a connection assembly (22) disposed between the protection assembly (21) and the terminal of the power supply body (1);

and the auxiliary fixing mechanism (3) is rotatably connected with the terminal of the power supply body (1) and is used for limiting the protection component (21).

2. A high accuracy ac constant current source according to claim 1, wherein said protection member (21) is composed of a long plate and a short plate vertically connected, and said long plate and said short plate are respectively provided on the connection holes corresponding to the terminals of the power supply body (1).

3. A high-precision ac constant current source according to claim 2, wherein the short plate is provided with a mounting hole (4), and the connecting assembly (22) comprises a fixing portion (221) disposed in the mounting hole (4) and a limiting portion (222) disposed on the long plate.

4. A high-precision ac constant current source according to claim 3, wherein the fixing portion (221) comprises a positioning post (2211) having one end disposed in the mounting hole (4), the other end of the positioning post (2211) is located on the long plate, and the fixing portion (221) further comprises a fastening member (2212) disposed on the positioning post (2211).

5. A high accuracy ac constant current source according to claim 2, wherein the auxiliary fixing means (3) comprises rotation levers (31) symmetrically disposed on the terminals of the power supply body (1) and position limiting plates (32) disposed between the rotation levers (31).

6. A high-precision alternating current constant current source as claimed in claim 5, wherein the limiting plate (32) is located below the long plate, and the limiting plate (32) is provided with a clamping groove (5) corresponding to the long plate.

7. The high-precision alternating current constant current source according to claim 6, wherein a wiring assembly (6) is arranged on the power supply body (1), and the wiring assembly (6) comprises a positioning plate (61) arranged on the power supply body (1) and a wiring groove plate (62) arranged on the positioning plate (61).

8. The AC constant current source of claim 7, wherein the track groove plate (62) is located below the position limiting plate (32), and the track groove plate (62) corresponds to the card slot (5).

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