CN207966132U - A kind of building block system residual current type detector for electric fire protection - Google Patents
A kind of building block system residual current type detector for electric fire protection Download PDFInfo
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- CN207966132U CN207966132U CN201721878210.6U CN201721878210U CN207966132U CN 207966132 U CN207966132 U CN 207966132U CN 201721878210 U CN201721878210 U CN 201721878210U CN 207966132 U CN207966132 U CN 207966132U
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Abstract
The utility model discloses a kind of building block system residual current type detector for electric fire protection, the primary module of the analysis and Control of data is carried out including multiple electron current acquisition modules for connecting residual current transformer and to each electron current acquisition module, communication connection is carried out by two lines bus between each electron current acquisition module and primary module, and the structure of multiple electron current acquisition modules is identical.The utility model is primary module and n current acquisition module splicing, using modular construction, current acquisition module and primary module splicing as accumulating this, or multiple current acquisition modules and primary module splice, the quantity of residual current transformer can expand to 64 from 1, considerably increase flexibility and convenience that in-site installation uses.To adapt to demand of the scene to different number current acquisition module.
Description
Technical field
The utility model is related to fire hazard monitoring technical fields more particularly to a kind of building block system residual-current electrical fire to supervise
Control detector.
Background technology
Currently, in fire protection electric equipment, have it is a kind of be used for monitoring with electric line operating status whether the device of safety, lead to
It crosses and judges whether circuit there is security risk, this device to be called remaining electricity to whether there is the detection of leaky with electric line
Streaming detector for electric fire protection（Hereinafter referred to as detector）.Residual current transformer sense of the detector using set in the line
Electric current should be gone out, this electric current is transmitted to signal gathering unit, and signal is transmitted to signal processing unit by collecting unit again, at signal
After managing unit analyzing processing, to judge whether test line operating status is good.Existing traditional detector is an integral structure,
That is signal gathering unit and signal processing unit design is in a fixed shell, the way of external residual current transformer
It is changeless, this brings inconvenience to actual installation use.
Utility model content
The purpose of this utility model is to provide a kind of building block system residual current type detector for electric fire protection, can solve
The drawbacks of quantity of external residual current transformer cannot be increased or decreased flexibly.
The technical solution adopted in the utility model is：
A kind of building block system residual current type detector for electric fire protection, including it is multiple for connecting residual current transformer
Electron current acquisition module and to each electron current acquisition module carry out data analysis and Control primary module, each height
Communication connection is carried out by two lines bus between current acquisition module and primary module, and the structure of multiple electron current acquisition modules is complete
It is identical；
The primary module includes CPU processing units, display unit, storage unit, man-machine interface, alarm unit, two
Bus unit, communication unit；The output end of the CPU processing units is separately connected display unit, storage unit, man-machine interface
With the input terminal of alarm unit, the output end of two lines bus unit connects the input terminal of CPU processing units by the first communication unit；
The electron current acquisition module includes current signal acquisition finishing unit, cpu signal pretreatment unit, two lines bus
Unit, communication unit, the current signal acquire the output end of the input terminal connection residual current transformer of finishing unit, electricity
Flow signal acquisition finishing unit output end connection cpu signal pretreatment unit input terminal, cpu signal pretreatment unit it is defeated
Outlet is connect by the second communication unit with the input terminal of two lines bus unit.
The electron current acquisition module has multiple, and multiple electron current acquisition modules pass through two lines bus module and CPU respectively
Signal Pretreatment unit is connected.
Each electron current acquisition module is both provided with unique encodings, for as the address communicated with primary module
Code.
While being communicated by two lines bus between the current acquisition module and primary module, primary module is total by two
Line supplies electric energy to current acquisition module.
The current acquisition module uses cpu signal pretreatment unit, CPU models PIC10F320-SO.
The primary module uses CPU processing units, CPU models PIC16F1507-SO.
The utility model is primary module and n current acquisition module splicing, using modular construction, one as accumulating this
Current acquisition module and primary module splicing or multiple current acquisition modules and primary module splicing, the quantity of residual current transformer
64 can be expanded to from 1, considerably increases flexibility and convenience that in-site installation uses.To adapt to scene to difference
The demand of quantity current acquisition module.
Description of the drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Specific implementation mode
As shown in Figure 1, the utility model include it is multiple for connect residual current transformer electron current acquisition modules and
The primary module of the analysis and Control of data, multiple electron current acquisition modules and main mould are carried out to each electron current acquisition module
Communication connection, multiple electron current acquisition modules for connecting residual current transformer are carried out by two lines bus between block
Structure it is identical, the number specifically set is identical according to the quantity of the remaining current transformer in scene；
The primary module includes CPU processing units, display unit, storage unit, man-machine interface, alarm unit, two
Bus unit, communication unit；The output end of the CPU processing units is separately connected display unit, storage unit, man-machine interface
With the input terminal of alarm unit, the output end of two lines bus unit connects the input terminal of CPU processing units by the first communication unit；
The primary module sends out the unique encodings of current acquisition module to current acquisition module as address code and asks for signal data
Instruction, current acquisition module back-signalling data, primary module are processed the signal data that current acquisition module is responded,
And analyzed and determined, it displays data on the display unit.Then, the preset value of signal data and storage unit
It is compared, if corresponding signal data are greater than or equal to setting value, primary module block just triggers alarm unit and sends out alarm signal.
Preset value in storage unit can be artificially arranged by man-machine interface.
The electron current acquisition module includes current signal acquisition finishing unit, cpu signal pretreatment unit, two lines bus
Unit, communication unit, the current signal acquire the output end of the input terminal connection residual current transformer of finishing unit, electricity
Flow signal acquisition finishing unit output end connection cpu signal pretreatment unit input terminal, cpu signal pretreatment unit it is defeated
Outlet is connect by the second communication unit with the input terminal of two lines bus unit.The electron current acquisition module, signal gathering unit
The current signal from external redundant current transformer is received, CPU pretreatment units are sent to.CPU pretreatment units are again letter
It number is sent to communication unit, communication unit controls two lines bus, signal is sent to primary module by two lines bus.Each height
After the current acquisition that current acquisition module incudes residual current transformer arranges, primary module is transmitted signals to；Main mould
Block is processed the signal that current acquisition module transmission comes and analyzes and handled, and judges the property and size of signal, such as believes
Number size is more than setting value, is issued by warning message, and shown.
The electron current acquisition module has multiple, and multiple electron current acquisition modules pass through two lines bus module and CPU respectively
Signal Pretreatment unit is connected.Each electron current acquisition module is both provided with unique encodings, for as with main mould
The address code of block communication.It is contacted by two lines bus between the current acquisition module and primary module.Two lines bus both can be with
Electric energy is supplied to current acquisition module by primary module, can also be used as the channel of the two information exchange.The primary module leads to
It interrogates unit and information exchange is carried out by two lines bus and current acquisition module.Primary module by the unique encodings of current acquisition module into
The one-to-one information exchange of row.
The current acquisition module uses cpu signal pretreatment unit CPU models PIC10F320-SO.
The primary module uses CPU processing unit CPU models PIC16F1507-SO
Primary module and n current acquisition module splicing, as accumulating this, a current acquisition module in the utility model
It is live to different number current acquisition mould to adapt to primary module splicing or multiple current acquisition modules and primary module splicing
The demand of block.
Claims (6)
1. a kind of building block system residual current type detector for electric fire protection, it is characterised in that：Including multiple for connecting residue
The electron current acquisition module of current transformer and to each electron current acquisition module carry out data analysis and Control primary module, institute
Communication connection, and multiple electron current acquisition modules are carried out by two lines bus between each electron current acquisition module stated and primary module
Structure it is identical；
The primary module includes CPU processing units, display unit, storage unit, man-machine interface, alarm unit, two lines bus
Unit, communication unit；The output end of the CPU processing units is separately connected display unit, storage unit, man-machine interface and report
The input terminal of alert unit, the output end of two lines bus unit connect the input terminal of CPU processing units by the first communication unit；
The electron current acquisition module includes current signal acquisition finishing unit, cpu signal pretreatment unit, two lines bus list
Member, communication unit, the current signal acquire the output end of the input terminal connection residual current transformer of finishing unit, electric current
The input terminal of the output end connection cpu signal pretreatment unit of signal acquisition finishing unit, the output of cpu signal pretreatment unit
End is connect by the second communication unit with the input terminal of two lines bus unit.
2. building block system residual current type detector for electric fire protection according to claim 1, it is characterised in that：Described
Electron current acquisition module has multiple, and multiple electron current acquisition modules pass through two lines bus module and cpu signal pretreatment unit respectively
It is connected.
3. building block system residual current type detector for electric fire protection according to claim 2, it is characterised in that：Described
Each electron current acquisition module is both provided with unique encodings, for as the address code communicated with primary module.
4. building block system residual current type detector for electric fire protection according to claim 3, it is characterised in that：Described
While being communicated by two lines bus between current acquisition module and primary module, primary module gives current acquisition mould by two lines bus
Block supplies electric energy.
5. building block system residual current type detector for electric fire protection according to claim 4, it is characterised in that：Described
Current acquisition module uses cpu signal pretreatment unit, CPU models PIC10F320-SO.
6. building block system residual current type detector for electric fire protection according to claim 5, it is characterised in that：Described
Primary module uses CPU processing units, CPU models PIC16F1507-SO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878210.6U CN207966132U (en) | 2017-12-28 | 2017-12-28 | A kind of building block system residual current type detector for electric fire protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721878210.6U CN207966132U (en) | 2017-12-28 | 2017-12-28 | A kind of building block system residual current type detector for electric fire protection |
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| Publication Number | Publication Date |
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| CN207966132U true CN207966132U (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721878210.6U Active CN207966132U (en) | 2017-12-28 | 2017-12-28 | A kind of building block system residual current type detector for electric fire protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832399A (en) * | 2022-05-30 | 2022-08-02 | 徐州木牛流马机器人科技有限公司 | Programmable electronic building block module capable of swiping card |
-
2017
- 2017-12-28 CN CN201721878210.6U patent/CN207966132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832399A (en) * | 2022-05-30 | 2022-08-02 | 徐州木牛流马机器人科技有限公司 | Programmable electronic building block module capable of swiping card |
| CN114832399B (en) * | 2022-05-30 | 2023-09-26 | 徐州木牛流马机器人科技有限公司 | Electronic building block module capable of swiping card for programming |
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