CN211555760U - Contact type direct current power supply - Google Patents
Contact type direct current power supply Download PDFInfo
- Publication number
- CN211555760U CN211555760U CN201922240311.6U CN201922240311U CN211555760U CN 211555760 U CN211555760 U CN 211555760U CN 201922240311 U CN201922240311 U CN 201922240311U CN 211555760 U CN211555760 U CN 211555760U
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- power supply
- contact
- outer shell
- current power
- elastic
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Abstract
The utility model relates to an electric element, discloses a contact type direct current power supply, which comprises an outer shell and a main circuit board, wherein the bottom of the outer shell is provided with a clamping groove, a switch control mechanism and a movable contact are arranged inside the outer shell, the movable contact is linked with the switch control mechanism and is electrically connected with a power input port, and a stationary contact is also arranged inside the outer shell; the static contact is conductively connected with an elastic contact, the elastic contact is installed at the bottom of the outer shell, and the elastic contact of the elastic contact extends out of the outer shell. In the utility model, the switch control mechanism is arranged in the outer shell of the direct current power supply, and the switch-on and switch-off of the power supply are controlled by the switch control mechanism, so that the safety of the direct current power supply is ensured; the elastic contact is connected with one of the alternating current power supplies, and the power supply can be accessed without a crimping wire; the power supply is connected through the elastic contact, so that the times of crimping the wire of the distribution box are reduced, and the installation time of the distribution box is shortened.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, especially indicate a contact type DC power supply.
Background
The direct current power supply or the switch power supply is important electrical equipment for providing the direct current power supply for the electrical equipment, a binding post for power supply input and output is arranged on the existing direct current power supply, and the binding post is connected to the commercial power and the load in a crimping wire mode.
Because the mode of crimping line needs manual operation, complex operation has caused block terminal installation time long, inefficiency. And the existing direct current power supply is directly connected with the power input wiring terminal, so that the on-off of the input power supply cannot be controlled, and the safety of the direct current power supply is low.
In addition, the direct current power supply or the switching power supply cannot be installed on the electric guide rail, and a special installation space needs to be distributed in the distribution box, so that the installation is inconvenient; in addition, direct current power supply or switching power supply generally pass through bolt fixed mounting inside the block terminal, waste time and energy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a contact type DC power supply has solved among the prior art technical problem that DC power supply crimping line is inconvenient and can not control the input power break-make.
The technical scheme of the utility model is realized like this: a contact type direct current power supply comprises an outer shell, wherein a main circuit board is installed inside the outer shell, a power input port and a power output port are arranged on the main circuit board, an output power terminal is installed at the end of the outer shell, the power output port is electrically connected with the output power terminal, a clamping groove matched with an electrical guide rail is formed in the bottom of the outer shell, a switch control mechanism and a movable contact are arranged inside the outer shell, the movable contact is linked with the switch control mechanism and is electrically connected with the power input port, an operating handle of the switch control mechanism is arranged at the top of the outer shell, a fixed contact is further installed inside the outer shell, and when the switch control mechanism is switched on, the movable contact is combined with the fixed contact; the static contact is conductively connected with an elastic contact, the elastic contact is installed at the bottom of the outer shell, an elastic contact of the elastic contact extends out of the outer shell, a through hole convenient for the elastic contact to extend out is formed in the bottom of the outer shell, and the elastic contact is conductively connected with a power supply.
As a preferable technical effect, a switch indicator lamp is further installed at the top of the outer shell, the switch indicator lamp is electrically connected with the movable contact, and the switch indicator lamp is turned on when the switch control mechanism is switched on.
As a preferred technical effect, the number of the elastic contacts is 2, and the elastic contacts are respectively used for being electrically connected with one phase and a zero line of an alternating current power supply.
As a preferable technical effect, the number of the elastic contacts is 4, and the elastic contacts are respectively used for being electrically connected with three phases and a zero line of an alternating current power supply, wherein the top ends of 3 elastic contacts which are correspondingly and electrically connected with a phase A, a phase B and a phase C of the three-phase alternating current power supply are connected in parallel through lead pieces.
As an optimal technical effect, a sliding groove and a sliding block are arranged in the clamping groove at the bottom of the outer shell, the sliding block is slidably mounted on the sliding groove, the through hole is located in the sliding groove, and the sliding block slides to the position of the through hole to seal the through hole.
As preferred technological effect, electric guide rail is insulating fire-retardant material, be equipped with four copper strips that set up side by side on the electric guide rail, the copper strip is used for respectively with three-phase alternating current power supply's A looks, B looks, C looks and zero line conductive connection, the surface of electric guide rail is equipped with undercut's guide slot, the copper strip is located the bottom of guide slot, elastic contact by stretch out in the draw-in groove of shell body bottom, and every elastic contact's position respectively with the position of one of them copper strip on the electric guide rail corresponds.
As a preferred technical effect, the elastic contact is located below the main circuit board.
The beneficial effects of the utility model reside in that: in the utility model, the switch control mechanism is arranged in the outer shell of the direct current power supply, and the switch-on and switch-off of the power supply are controlled by the switch control mechanism, so that the safety of the direct current power supply is ensured; the elastic contact is connected with one of the alternating current power supplies, and the power supply can be accessed without a crimping wire; the elastic contact is connected with the static contact, the switch control mechanism is connected with the static contact, and when the switch control mechanism is switched on, a power supply is connected, so that the times of pressing wires of the distribution box are reduced, and the installation time of the distribution box is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a dc power supply according to a first embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the internal structure of FIG. 1;
FIG. 4 is a bottom view of FIG. 3;
fig. 5 is a schematic structural view of an electrical guide rail according to a first embodiment of the present invention;
FIG. 6 is a left side view of FIG. 5;
fig. 7 is a schematic view of the internal structure of the second embodiment of the present invention;
FIG. 8 is a bottom view of FIG. 7;
in the figure: 1-an outer shell; 101-power input port; 102-power output port; 103-output power supply terminal; 104-a through hole; 11-main circuit board; 12-a card slot; 13-a chute; 14-a slide block; 2-a switch operating mechanism; 21-moving contact; 22-a handlebar; 3-a stationary contact; 4-a resilient contact; 41-a lead sheet; 42-a stop collar; 5-switching the indicator light; 6-an electrical rail; 61-copper strips; 62-guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and the descriptions of these embodiments are used to help understanding the present invention, but do not constitute a limitation of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The first embodiment is as follows:
as shown in fig. 1 to 4, a contact type dc power supply includes an outer casing 1, a main circuit board 11 is installed inside the outer casing 1, the main circuit board 11 is provided with a power input port 101 and a power output port 102, an output power terminal 103 is installed at an end of the outer casing 1, the power output port 102 is electrically connected to the output power terminal 103, a slot 12 installed in cooperation with an electrical guide rail 6 is arranged at a bottom of the outer casing 1, a switch operating mechanism 2 and a movable contact 21 are installed inside the outer casing 1, the movable contact 21 is linked with the switch operating mechanism 2, the movable contact 21 is electrically connected to the power input port 101, an operating handle 22 of the switch operating mechanism 2 is arranged at a top of the outer casing 1, a stationary contact is further installed inside the outer casing 1, and when the switch operating mechanism 2 is switched on; the static contact 3 is conductively connected with an elastic contact 4, the elastic contact 4 is installed at the bottom of the outer shell 1, an elastic contact of the elastic contact 4 extends out of the outer shell 1, a through hole 104 convenient for the elastic contact to extend out is formed in the bottom of the outer shell 1, and the elastic contact is conductively connected with a power supply.
The bottom of the outer shell 1 is also provided with a limiting sleeve 42 for installing the elastic contact 4, the top of the limiting sleeve 42 is provided with an end cover, and the top end of the elastic contact 4 penetrates through the end cover.
Preferably, the elastic contact 4 is located below the main circuit board 11.
The top of the outer shell 1 is also provided with a switch indicator lamp 5, the switch indicator lamp 5 is electrically connected with the movable contact 21, and the switch indicator lamp 5 is lightened when the switch control mechanism 2 is switched on.
In this embodiment, the number of the elastic contacts 4 is 2, and the elastic contacts are respectively used for being electrically connected with one phase and a zero line of an alternating current power supply.
As shown in fig. 5 and 6, the electrical guide rail 6 is made of an insulating flame-retardant material, four copper strips 61 are arranged in parallel on the electrical guide rail 6, the copper strips 61 are respectively used for being in conductive connection with an a phase, a B phase, a C phase and a zero line of a three-phase alternating current power supply, a guide groove 62 which is recessed downwards is arranged on the surface of the electrical guide rail 6, and the copper strips 61 are positioned at the bottom of the guide groove 62.
The elastic contact 4 extends out of the clamping groove 12 at the bottom of the outer shell 1, and the position of the elastic contact 4 corresponds to the position of one copper strip on the electric guide rail.
When the direct current power supply is installed, the direct current power supply is installed on the electric guide rail 6 through the clamping groove 12, the contact of the elastic contact 4 extends out of the outer shell 1 and extends into the guide groove 62 of the electric guide rail 6 to be in conductive connection with the copper strip 61, the copper strip 61 is electrically connected with one phase of the alternating current power supply through a compression line, the operating handle 22 is pushed, the movable contact 21 is combined with the fixed contact 3, and the power supply is connected.
Example two:
as shown in fig. 7 and 8, in the present embodiment, the number of the elastic contacts 4 is 4 for electrical connection with the three phases and the zero line of the ac power supply, respectively, wherein the top ends of 3 elastic contacts 4 electrically connected corresponding to the a phase, the B phase, and the C phase of the three-phase ac power supply are connected in parallel by the conductive connection piece 41.
When the power supply is accessed, only one of the alternating current power supplies needs to be accessed, and one of the phases can be arbitrarily selected to be accessed into the power supply and the other two phases are not accessed into the power supply by arranging 3 elastic contacts 4 which are correspondingly and electrically connected with the phase A, the phase B and the phase C of the three-phase alternating current power supply.
Because in the distribution box, three-phase alternating current generally needs to be accessed, other electrical elements are also installed on the electrical guide rail 6, 3 elastic contacts 4 can all extend out of the outer shell 1, in order to avoid wiring errors, a sliding groove 13 and a sliding block 14 are arranged in a clamping groove 12 at the bottom of the outer shell 1, the sliding block 14 is installed on the sliding groove 13 in a sliding mode, the through hole 104 is located in the sliding groove 13, and the sliding block 14 slides to the position of the through hole 104 to seal the through hole 104.
The through holes 104 connected to the corresponding phase and the zero line of the alternating current power supply are exposed, and the through holes of the other two phases are covered by the sliding slide block 14, so that the corresponding elastic contacts cannot extend out.
The utility model discloses in, switch operating mechanism is prior art, and switch operating mechanism's principle and structure refer to the switch operating mechanism of circuit breaker, the utility model discloses not give unnecessary details one by one.
The utility model discloses in, elastic contact also is the distribution element commonly used among the prior art, its theory of operation and structure the utility model discloses in not mixing one and giving unnecessary details.
Because there is multiple DC power supply's main circuit board among the prior art, the utility model discloses in do not improve DC power supply's main circuit board and circuit, the utility model discloses in do not carry out detailed description to DC power supply's main circuit board and circuit.
The utility model is suitable for a small-size DC power supply or switching power supply that can conveniently install in block terminal inside.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a contact type DC power supply, includes the shell body, shell body internally mounted has main circuit board, be equipped with power input port and power output port on the main circuit board, the output power terminal is installed to the tip of shell body, power output port with the output power terminal electricity is connected, its characterized in that: the bottom of the outer shell is provided with a clamping groove which is matched with the electric guide rail, a switch control mechanism and a movable contact are arranged in the outer shell, the movable contact is linked with the switch control mechanism and is electrically connected with the power input port, the top of the outer shell is provided with a control handle of the switch control mechanism, a stationary contact is further arranged in the outer shell, and when the switch control mechanism is switched on, the movable contact is combined with the stationary contact; the static contact is conductively connected with an elastic contact, the elastic contact is installed at the bottom of the outer shell, an elastic contact of the elastic contact extends out of the outer shell, a through hole convenient for the elastic contact to extend out is formed in the bottom of the outer shell, and the elastic contact is conductively connected with a power supply.
2. A contact type direct current power supply according to claim 1, wherein: and a switch indicator lamp is further installed at the top of the outer shell and electrically connected with the movable contact, and the switch indicator lamp is lightened when the switch control mechanism is switched on.
3. A contact type direct current power supply according to claim 1, wherein: the number of the elastic contacts is 2, and the elastic contacts are respectively used for being electrically connected with one phase of an alternating current power supply and a zero line.
4. A contact type direct current power supply according to claim 1, wherein: the number of the elastic contacts is 4, the elastic contacts are respectively used for being electrically connected with three phases and a zero line of an alternating current power supply, and the top ends of 3 elastic contacts which are correspondingly and electrically connected with the phase A, the phase B and the phase C of the three-phase alternating current power supply are connected in parallel through lead pieces.
5. A contact type direct current power supply according to claim 4, wherein: the clamping groove at the bottom of the shell is internally provided with a sliding groove and a sliding block, the sliding block is slidably arranged on the sliding groove, the through hole is positioned in the sliding groove, and the sliding block slides to the position of the through hole to seal the through hole.
6. A contact type direct current power supply according to claim 1, wherein: the electric guide rail is insulating fire-retardant material, be equipped with four copper strips that set up side by side on the electric guide rail, the copper strip is used for being connected with three-phase alternating current power supply's A looks, B looks, C looks and zero line electrically conductive respectively, the surface of electric guide rail is equipped with undercut's guide slot, the copper strip is located the bottom of guide slot, elastic contact by stretch out in the draw-in groove of shell body bottom, and every elastic contact's position respectively with the position of one of them copper strip on the electric guide rail corresponds.
7. A contact type direct current power supply according to claim 1, wherein: the elastic contact is positioned below the main circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240311.6U CN211555760U (en) | 2019-12-14 | 2019-12-14 | Contact type direct current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240311.6U CN211555760U (en) | 2019-12-14 | 2019-12-14 | Contact type direct current power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555760U true CN211555760U (en) | 2020-09-22 |
Family
ID=72505693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922240311.6U Expired - Fee Related CN211555760U (en) | 2019-12-14 | 2019-12-14 | Contact type direct current power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555760U (en) |
-
2019
- 2019-12-14 CN CN201922240311.6U patent/CN211555760U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20211214 |