CN207926159U - A kind of neutral conductor interrupted protective equipment - Google Patents
A kind of neutral conductor interrupted protective equipment Download PDFInfo
- Publication number
- CN207926159U CN207926159U CN201820379738.7U CN201820379738U CN207926159U CN 207926159 U CN207926159 U CN 207926159U CN 201820379738 U CN201820379738 U CN 201820379738U CN 207926159 U CN207926159 U CN 207926159U
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- module
- power supply
- neutral conductor
- protective equipment
- protection switch
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Abstract
The utility model discloses a kind of neutral conductor interrupted protective equipments, the neutral conductor interrupted protective equipment includes burn out detection module, control module, power supply converts output module, protection switch, the burn out detection module is monitoring the break-make of each phase line and the neutral conductor, the control module and burn out detection module, power supply converts output module connection, phase line switching is carried out to receive the signal of burn out detection module and control power supply conversion output module, the power input of the power supply conversion output module is connect with each phase line, power output end and protection switch connection, to provide working power for protection switch, the power supply conversion output module and protection switch room are provided with division module.A kind of neutral conductor interrupted protective equipment of the utility model is by converting output module in power supply and switch room being protected to be provided with division module to substitute transformer; the volume of equipment is not only substantially reduced, but also installation difficulty can be reduced, installation effectiveness is improved, reduce installation cost.
Description
Technical field
The utility model is related to a kind of electric security protector equipment, more particularly to a kind of broken neutral line protective device.
Background technology
Neutral conductor interrupted protective equipment is the important safety guard of power supply system, and the disconnected N of Important Components therein is protected
The executing agency of shield protects switch generally use 220V and voltage below as working power, therefore usually requires to power supply
The 380V voltage sources of output module output carry out decompression processing, are mainly realized at present using transformer, but due to its body
Product is larger, be easy to cause the problems such as space hold is not big, easy to install.
Invention content
The technical problem to be solved by the utility model is to provide a kind of neutral conductor interrupted protective equipment, small volume, appearances
It is easy to install, easy to use.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of neutral conductor interrupted protective equipment, including burn out detection module, control module, power supply conversion output module, protection
Switch, the burn out detection module to monitor the break-make of each phase line and the neutral conductor, the control module and burn out detection module,
Power supply converts output module connection, and phase line is carried out to receive the signal of burn out detection module and control power supply conversion output module
Switching, the power input of the power supply conversion output module is connect with each phase line, power output end switchs connection with protection, is used
To provide working power for protection switch, the power supply conversion output module and protection switch room are provided with division module.This reality
With a kind of novel neutral conductor interrupted protective equipment by power supply convert output module and protection switch room be provided with division module with
Transformer is substituted, the volume of equipment is not only substantially reduced, but also installation difficulty can be reduced, installation effectiveness is improved, reduce installation
Cost.
Preferably, the division module is concatenated divider resistance.
Preferably, the divider resistance size is 120-480 Ω, it may be adapted to protection and switch a variety of operating voltage requirements.
Preferably, the concatenated derided capacitors of division module.
Preferably, the derided capacitors size is 0.2-0.8uF, it may be adapted to protection and switch a variety of operating voltage requirements.
Compared with prior art, a kind of advantageous effect of neutral conductor interrupted protective equipment of the utility model：By turning in power supply
It changes output module and protection switch room is provided with division module to substitute transformer, not only substantially reduce the volume of equipment, and
And installation difficulty can be reduced, installation effectiveness is improved, reduce installation cost, structure improves advantages of simple, and advantageous effect is apparent.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of schematic diagram of neutral conductor interrupted protective equipment of the utility model.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
.
As shown in Figure 1, a kind of neutral conductor interrupted protective equipment of the utility model, including burn out detection module, control module, electricity
Output module, protection switch are converted in source, and the burn out detection module is connect with each phase line and the neutral conductor respectively, to monitor each phase
The break-make of line and the neutral conductor, the control module is connect with burn out detection module, power supply conversion output module, to receive broken string
The signal of detection module simultaneously controls power supply conversion output module progress phase line switching, and the power supply of the power supply conversion output module is defeated
Enter end connect with each phase line, power output end and protection switch connection, to select the output of arbitrary two-phase power supply to protect switch
Working power is provided, the power supply conversion output module and protection switch room are provided with division module.In the utility model one kind
Property line line disconnection protector, when detect input power break A phases when, control module drives relay J2 conducting output two-phase 380V works
Make power supply and work switched with starting protection, when detect input power break B phases when, control module drives relay J3 conducting output
Two-phase 380V working powers with starting protection switch work, when detect input power break C phases when, control module drive relay
J1 conducting output two-phase 380V working powers switch work with starting protection, when detecting input power only disconnected N phases, control
Module drive relay J1 or J2 or J3 conducting output two-phase 380V working powers switch work with starting protection.
As shown in Figure 1, in a kind of neutral conductor interrupted protective equipment of the utility model, the division module is concatenated partial pressure electricity
Resistance, the divider resistance size are 120-480 Ω, and the concatenated derided capacitors of division module, the derided capacitors size is
0.2-0.8uF。
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, every the present invention's
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within spirit and principle.
Claims (5)
1. a kind of neutral conductor interrupted protective equipment, it is characterised in that：Including burn out detection module, control module, power supply conversion output
Module, protection switch, the burn out detection module is to monitor the break-make of each phase line and the neutral conductor, the control module and broken string
Detection module, power supply conversion output module connection, to receive the signal of burn out detection module and control power supply conversion output mould
Block carries out phase line switching, and the power input of power supply conversion output module connect with each phase line, power output end and protection
Switch connection, to provide working power for protection switch, the power supply conversion output module and protection switch room are provided with point
Die block.
2. a kind of neutral conductor interrupted protective equipment according to claim 1, it is characterised in that：The division module is concatenated
Divider resistance.
3. a kind of neutral conductor interrupted protective equipment according to claim 2, it is characterised in that：The divider resistance size is
120-480Ω。
4. a kind of neutral conductor interrupted protective equipment according to claim 1, it is characterised in that：Concatenated point of the division module
Voltage capacitance.
5. a kind of neutral conductor interrupted protective equipment according to claim 4, it is characterised in that：The derided capacitors size is
0.2-0.8uF。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379738.7U CN207926159U (en) | 2018-03-20 | 2018-03-20 | A kind of neutral conductor interrupted protective equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379738.7U CN207926159U (en) | 2018-03-20 | 2018-03-20 | A kind of neutral conductor interrupted protective equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926159U true CN207926159U (en) | 2018-09-28 |
Family
ID=63596237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820379738.7U Active CN207926159U (en) | 2018-03-20 | 2018-03-20 | A kind of neutral conductor interrupted protective equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926159U (en) |
-
2018
- 2018-03-20 CN CN201820379738.7U patent/CN207926159U/en active Active
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