CN207947649U - A kind of PC grade dual power supplies with overload-alarm function - Google Patents
A kind of PC grade dual power supplies with overload-alarm function Download PDFInfo
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- CN207947649U CN207947649U CN201820517426.8U CN201820517426U CN207947649U CN 207947649 U CN207947649 U CN 207947649U CN 201820517426 U CN201820517426 U CN 201820517426U CN 207947649 U CN207947649 U CN 207947649U
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- overload
- current transformer
- alarm function
- power supplies
- dual power
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Abstract
The utility model provides a kind of PC grade dual power supplies with overload-alarm function, including：Current transformer, at least one, it is arranged in fastening the inner cavity formed by pedestal and lid, is suitable for monitoring load-side contact；Controller is electrically connected with current transformer, is suitable for receiving the signal of current transformer, and output feeds back to warning light after processing；Warning light, at least one, it is arranged on lid, and be electrically connected with the controller.When circuit overload, controller receives abnormal signal and feeds back to warning light, staff can quickly and effectively exclude line fault by warning light, circuit is set to restore normal work, compared with prior art, ATSE does not need frequent switching, extends service life, and circuit is more safe and reliable.
Description
Technical field
The utility model is related to dual-power transfer switch technical fields, and in particular to a kind of PC with overload-alarm function
Grade dual power supply.
Background technology
Dual-power transfer switch (hereinafter referred to as ATSE) is mainly used for two-way electric supply system, and effect is：Work as power supply
When breaking down, load circuit is automatically switched to another stand-by power supply from a common power supply.ATSE is important as ensureing
The device for switching continuously powered is loaded, is divided into PC grades, CC grades and CB grades according to standard.
PC grades of ATSE only have connection and bearing function currently on the market, and when there is overload current in circuit, ATSE is not
It can respond, so as to lead to problems such as circuit temperature rise excessively high or contact melting welding, this is to the electrical and personal of line attachment
Safety all constitutes certain threat, and existing solution is to access dedicated fuse in the PC grades of ends of incoming cables ATSE or load patch
Or breaker, when there is overload current in circuit, fuse or breaker meeting automatic shutdown circuit, circuit where ATSE is detected
It is abnormal, stand-by power supply will be switched power supply to from common, this can lead to dual power supply frequent switching, influence its service life, and to line
The stability on road has some impact on.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome in the prior art PC grades of ATSE led by overload current
The circuit temperature of cause rise it is excessively high lead to contact melting welding, Yi Jichang, stand-by power supply frequent switching, the technological deficiency of service life reduction, to
It provides that a kind of contact is reliable, durable, can more reach the PC grades pair with overload-alarm function for ensureing line security, stablizing effect
Power supply.
For this purpose, the utility model provides a kind of PC grade dual power supplies with overload-alarm function, including：
Current transformer, at least one, it is arranged in fastening the inner cavity formed by pedestal and lid, is suitable for monitoring load
Side contact；
Controller is electrically connected with the current transformer, is suitable for receiving the signal of the current transformer, and after processing
Output feeds back to warning light；
Warning light, at least one, setting is electrically connected on the lid, and with the controller.
As a preferred embodiment, the current transformer and the warning light it is each there are four, and it is corresponding each respectively
Contact described in phase.
As a preferred embodiment, the current transformer is removably mounted on the inner cavity by the first mounting structure
In.
As a preferred embodiment, first mounting structure includes：
L-type block, there are two, on the base, opposite formed of two L-type blocks supplies the Current Mutual Inductance for setting
The mounting groove that device is fit into, and the opening being pierced by for the contact that is connected to the mounting groove；
Mandril is arranged in the lid towards the side of the pedestal, suitable for the current transformer top pressure to be fitted in
In the mounting groove.
As a preferred embodiment, the pedestal is equipped with drawing for the current transformer at contact described in each phase
The through-hole that line is pierced by, several leads are bundled into pencil after the corresponding through-hole outflow.
A kind of PC grade dual power supplies with overload-alarm function provided by the utility model, have the following advantages：
1. the PC grade dual power supplies with overload-alarm function of the utility model, including current transformer, controller and report
Alert signal lamp, when circuit overload, controller receives abnormal signal and feeds back to warning light, and staff can pass through report
Alert signal lamp quickly and effectively excludes line fault, and circuit is made to restore normal work, and compared with prior art, ATSE need not frequency
Numerous switching extends service life, and circuit reliability higher, safer.
2. the PC grade dual power supplies with overload-alarm function of the utility model, current transformer and warning light respectively have
Four, and each phase contact is corresponded to respectively, staff can learn the overload situations of each phase load circuit by warning light.
3. the PC grade dual power supplies with overload-alarm function of the utility model, the first mounting structure include L-type block and
Mandril, above structure set-up mode is simple, and defines the installation site of current transformer.
4. the PC grade dual power supplies with overload-alarm function of the utility model, pedestal is equipped at each phase contact and supplies
The through-hole that the lead of current transformer is pierced by, several leads are bundled into pencil so that lead will not be done after the outflow of corresponding through-hole
The other component of dual power supply, security performance higher are disturbed, and the mode of connection is simple.
Description of the drawings
In order to illustrate more clearly of the technical solution in the prior art or specific embodiment of the present invention, below to existing
There is the attached drawing used in technology or specific implementation mode description to be briefly described, it should be apparent that, for the common skill in this field
For art personnel, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram after the PC grade dual power supplies removal part lid with overload-alarm function in embodiment.
Fig. 2 is the dimensional structure diagram of pedestal.
Fig. 3 is the rearview of Fig. 1.
Reference numeral：1, pedestal；11, contact；12, L-type block；13, mounting groove；14, it is open；15, through-hole；2, lid；
21, warning light；22, mandril；3, current transformer；31, lead.
Specific implementation mode
The technical solution of the utility model is described with reference to the accompanying drawings of the specification, it is clear that following embodiments are not
It is the embodiment of the utility model whole.Based on the utility model described embodiment, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making other creative works, belongs to the scope of protection of the utility model.
It should be noted that term " first ", " second " are used for description purposes only in the description of the present invention, and
It should not be understood as indicating or implying relative importance.In addition, involved in the utility model different embodiments disclosed below
And technical characteristic can be combined with each other as long as they do not conflict with each other.
Embodiment
The present embodiment provides a kind of PC grade dual power supplies with overload-alarm function, as shown in Figs. 1-3, including：Electric current is mutual
Sensor 3 is arranged in fastening the inner cavity formed by pedestal 1 and lid 2, is suitable for monitoring load-side contact 11；Controller, and it is described
Current transformer 3 is electrically connected, and is suitable for receiving the signal of the current transformer 3, and output feeds back to alarm signal after processing
Lamp 21；Warning light 21, setting are electrically connected on the lid 2, and with the controller.When circuit overload, controller
It receives abnormal signal and feeds back to warning light 21, staff can quickly and effectively exclude line by warning light 21
Road failure makes circuit restore normal work, and compared with prior art, ATSE does not need frequent switching, extends service life, and
Circuit reliability higher, it is safer.
In the present embodiment, there are four the current transformer 3 and the warning light 21 are each, and each phase institute is corresponded to respectively
Contact 11 is stated, staff can learn the overload situations of each phase load circuit by warning light 21, debug in time.
The PC grade dual power supplies with overload-alarm function of the present embodiment, the current transformer 3 are tied by the first installation
Structure is removably mounted in the inner cavity.
In the present embodiment, first mounting structure includes：L-type block 12, there are two, it is arranged on the pedestal 1, two
A L-type block 12 is opposite to form the mounting groove 13 being fit into for the current transformer 3, and with the mounting groove 13
The opening 14 of connection being pierced by for the contact 11；Mandril 22 is arranged in the lid 2 towards the side of the pedestal 1, is suitable for
3 top pressure of the current transformer is fitted in the mounting groove 13.Above structure set-up mode is simple, and defines that electric current is mutual
The installation site of sensor 3.
The PC grade dual power supplies with overload-alarm function of the present embodiment, the pedestal 1 is close to contact 11 described in each phase
Place is equipped with the through-hole 15 being pierced by for the lead 31 of the current transformer 3, and several leads 31 are from the corresponding through-hole 15
After outflow, it is bundled into pencil so that lead will not interfere the other component of dual power supply, security performance higher, and the mode of connection is simple.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among changing still in the scope of protection of the utility model.
Claims (5)
1. a kind of PC grade dual power supplies with overload-alarm function, it is characterised in that：Including：
Current transformer (3), at least one, it is arranged in fastening the inner cavity formed by pedestal (1) and lid (2), is suitable for prison
Survey load-side contact (11)；
Controller is electrically connected with the current transformer (3), is suitable for receiving the signal of the current transformer (3), and through processing
Output feeds back to warning light (21) afterwards；
Warning light (21), at least one, setting is electrically connected on the lid (2), and with the controller.
2. the PC grade dual power supplies according to claim 1 with overload-alarm function, it is characterised in that：The Current Mutual Inductance
There are four device (3) and the warning light (21) are each, and contact (11) described in each phase are corresponded to respectively.
3. the PC grade dual power supplies according to claim 1 or 2 with overload-alarm function, it is characterised in that：The electric current
Mutual inductor (3) is removably mounted on by the first mounting structure in the inner cavity.
4. the PC grade dual power supplies according to claim 3 with overload-alarm function, it is characterised in that：First installation
Structure includes：
L-type block (12), there are two, it is arranged on the pedestal (1), two L-type blocks (12) are opposite to be formed described in confession
The mounting groove (13) that current transformer (3) is fit into, and the confession contact (11) being connected to the mounting groove (13) are worn
The opening (14) gone out；
Mandril (22), setting towards the side of the pedestal (1), are suitable for pushing up the current transformer (3) in the lid (2)
Pressure is fitted in the mounting groove (13).
5. the PC grade dual power supplies according to claim 1 with overload-alarm function, it is characterised in that：The pedestal (1)
The through-hole (15) being pierced by for the lead (31) of the current transformer (3) is equipped at contact (11) described in each phase, it is several
The lead (31) is bundled into pencil after corresponding through-hole (15) outflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820517426.8U CN207947649U (en) | 2018-04-12 | 2018-04-12 | A kind of PC grade dual power supplies with overload-alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820517426.8U CN207947649U (en) | 2018-04-12 | 2018-04-12 | A kind of PC grade dual power supplies with overload-alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947649U true CN207947649U (en) | 2018-10-09 |
Family
ID=63697604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820517426.8U Active CN207947649U (en) | 2018-04-12 | 2018-04-12 | A kind of PC grade dual power supplies with overload-alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947649U (en) |
-
2018
- 2018-04-12 CN CN201820517426.8U patent/CN207947649U/en active Active
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