CN206790091U - A kind of SPD back-up protection devices with intellectual monitoring function - Google Patents
A kind of SPD back-up protection devices with intellectual monitoring function Download PDFInfo
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- CN206790091U CN206790091U CN201720666860.8U CN201720666860U CN206790091U CN 206790091 U CN206790091 U CN 206790091U CN 201720666860 U CN201720666860 U CN 201720666860U CN 206790091 U CN206790091 U CN 206790091U
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- spd
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- monitoring function
- intellectual monitoring
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Abstract
The utility model belongs to SPD technical field, and in particular to a kind of SPD back-up protection devices with intellectual monitoring function；The technical problem of solution is：There is provided that a kind of reliability is high, cheap, lightning protection effect is good, and the SPD back-up protection devices with intellectual monitoring function；The technical scheme used for：A kind of SPD back-up protection devices with intellectual monitoring function; including SPD back-up protections device and display module; the display module electrically connects with SPD back-up protection devices; the number of the SPD back-up protections device is three; it is respectively arranged on A, B, C three-phase circuit; each SPD back-up protections device includes housing, fuse summation current transformer is provided with the housing, the current transformer is set on fuse；The utility model is applied to lightning protection field.
Description
Technical field
The utility model belongs to SPD technical field, and in particular to a kind of SPD back-up protections with intellectual monitoring function
Device.
Background technology
With the high speed development of national economy and the raising of modernization level, SPD protections are widely used in post and telecommunications and led to
The industry-by-industries such as news, electric power, railway, airport, petrochemical industry, work China Democratic National Construction Association, good lightning protection is provided for electrical equipment.However as
SPD a large amount of uses, SPD fire incidents and lightning protection failure accidents are increasing, are caused to country and enterprise very big
Economic loss.
SPD fire incidents are usually power current is flowed into SPD by power supply transien overvoltage failure and triggered, and lightning protection is lost
It is SPD departing from caused by protection circuit that effect accident is then most of.In order to prevent SPD from fire incident or lightning protection failure thing occur
Therefore, it is necessary to for power supply SPD installation standby overcurrent protective devices, when metallic short circuit failure occurs in SPD, electricity can be cut off rapidly
Road, avoid protection switch from occurring bypassing the immediate leadership de- lip reflex and causing the wide-area power outage of power-supply system, while power supply system can be prevented
Electric voltage exception rise, which occurs, in system causes SPD to start inflow power current and phenomenon generation on fire.
Therefore, existing SPD device is perfect not enough, and obtaining a kind of equipment for aiding in Surge Protector becomes this area
The emphasis and the target of pursuit that technical staff studies all the time.
Utility model content
The utility model overcomes the shortcomings of the prior art, and technical problem to be solved is：A kind of reliability is provided
It is high, cheap, lightning protection effect is good, and with intellectual monitoring function SPD back-up protection devices.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：One kind has intellectual monitoring function
SPD back-up protection devices, including SPD back-up protections device and display module, the display module be electrically connected with SPD back-up protection devices
Connect, the number of the SPD back-up protections device is three, is respectively arranged on A, B, C three-phase circuit, and each SPD standby is protected
Shield device includes housing, fuse summation current transformer is provided with the housing, the current transformer is set on fuse.
The display module is arranged on SPD back-up protection devices by plug-in module.
The plug-in module includes the first stuck-module and base module.
First stuck-module includes plug shell and fixed seat, and first circuit board is provided with the fixed seat.
The base module includes upper lid and lower bottom base, and supporting studs are provided with second circuit on the lower bottom base
Plate.
The current transformer is electrically connected by the shell fragment on second circuit board.
RS485 communication interfaces are additionally provided with the housing.
The utility model has the advantages that compared with prior art：
1st, a kind of SPD back-up protection devices with intellectual monitoring function of the utility model, including SPD back-up protections device and aobvious
Show module, the display module electrically connects with SPD back-up protection devices, and the number of the SPD back-up protections device is three, is pacified respectively
Loaded on A, B, C three-phase circuit, each SPD back-up protections device includes housing, and fuse and electric current are provided with the housing
Transformer；In the utility model, when any one phase of SPD Surge Protector A, B, C three-phases or a few phase electrical apparatus releases are threaded off, therewith
Display module on corresponding SPD back-up protections device is shown, to notify staff to carry out timely processing replacing, and
SPD back-up protections device can monitor whether back-up protection action is normal ON state, if malfunction, then SPD back-up protections
Display module is shown in device, and SPD back-up protections device can control the piezo-resistance Ground leakage current in SPD Surge Protectors
Monitored on-line, if leakage current exceedes preset value, SPD back-up protection device display modules are shown, the utility model knot
Structure is succinct, and fuse is integrated with current transformer, has saved space, and measurement result is accurately and reliably, and practicality is high.
2nd, display module can also show the state of electrical apparatus release in A, B, C three-phase, SPD back-up protection devices in the utility model
Whether be normal ON state and piezo-resistance on off operating mode.
Brief description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings；
Fig. 1 is the connection diagram of SPD back-up protections device and SPD Surge Protectors in the utility model；
Fig. 2 is the structural representation of SPD back-up protection devices in the utility model；
Fig. 3 is the structural representation of plug-in module in the utility model；
In figure：1 is SPD Surge Protectors, and 2 be SPD back-up protection devices, and 3 be display module, and 4 be plug-in module, and 41 be
One stuck-module, 411 be plug shell, and 412 be fixed seat, and 413 be first circuit board, and 42 be base module, and 421 be upper lid,
422 be lower bottom base, and 423 be supporting studs, and 424 be second circuit board.
Embodiment
, below will be to the utility model to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Technical scheme in embodiment is clearly and completely described, it is clear that described embodiment is a part of the present utility model
Embodiment, rather than whole embodiments；Based on the embodiment in the utility model, those of ordinary skill in the art are not making
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1 and Figure 2, a kind of SPD back-up protection devices with intellectual monitoring function, including SPD back-up protections device 2
With display module 3, the display module 3 electrically connects with SPD back-up protections device 2, and the number of the SPD back-up protections device 2 is three
It is individual, it is respectively arranged on A, B, C three-phase circuit, each rear end of SPD back-up protections device 2 is serially connected with SPD Surge Protectors 1,
Each SPD back-up protections device 2 includes housing, and fuse summation current transformer, the Current Mutual Inductance are provided with the housing
Device is set on fuse.
The display module 3 is arranged on SPD back-up protection devices by plug-in module 4, and shown display module 3 includes carrying
LCDs is described aobvious with carrying indicator lamp without two kinds of LCDs, LCDs and without LCDs
Show that module 3 can show whether the state of electrical apparatus release in A, B, C three-phase, SPD back-up protections device 2 are normal ON state and pressure-sensitive
The on off operating mode of resistance.
As shown in figure 3, the plug-in module 4 includes the first stuck-module 41 and base module 42.
First stuck-module 41 includes plug shell 411 and fixed seat 412, and the is provided with the fixed seat 412
One circuit board 413.
The base module 42 includes upper lid 421 and lower bottom base 422, is set on the lower bottom base 422 by supporting studs 423
It is equipped with second circuit board 424.
The current transformer is electrically connected by the shell fragment on second circuit board 424.
RS485 communication interfaces are additionally provided with the housing, by RS485 communication interfaces, data can be uploaded to upper
Machine, it is easy to staff's later stage to carry out data preparation and checks.
In use, before the input of A, B, C three-phase voltage of SPD Surge Protectors 1, SPD back-up protections are installed respectively
Device 2, and the output end of three SPD back-up protections devices 2 is commonly connected to display module 3, display module 3 carries out electrical apparatus release shape
The display of state, the on-state of SPD back-up protections device 2 and piezo-resistance on off operating mode, so that staff checks in time, handles.
A kind of SPD back-up protection devices with intellectual monitoring function of the utility model, including SPD back-up protections device and display
Module, the display module electrically connect with SPD back-up protection devices, and the number of the SPD back-up protections device is three, is installed respectively
In on A, B, C three-phase circuit, each SPD back-up protections device includes housing, is provided with fuse in the housing and electric current is mutual
Sensor；It is right therewith when any one phase of SPD Surge Protector A, B, C three-phases or a few phase electrical apparatus releases are threaded off in the utility model
The display module on SPD back-up protection devices answered is shown, to notify staff to carry out timely processing replacing, and SPD
Back-up protection device can monitor whether back-up protection action is normal ON state, if malfunction, then in SPD back-up protections device
Display module is shown that SPD back-up protections device can control the piezo-resistance Ground leakage current in SPD Surge Protectors to carry out
On-line monitoring, if leakage current exceedes preset value, SPD back-up protection device display modules are shown, the letter of the utility model structure
It is clean, fuse is integrated with current transformer, space has been saved, and measurement result is accurately and reliably, practicality is high.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
- A kind of 1. SPD back-up protection devices with intellectual monitoring function, it is characterised in that：Including SPD back-up protections device and display Module, the display module electrically connect with SPD back-up protection devices, and the number of the SPD back-up protections device is three, is installed respectively In on A, B, C three-phase circuit, each SPD back-up protections device includes housing, is provided with fuse in the housing and electric current is mutual Sensor, the current transformer are set on fuse.
- A kind of 2. SPD back-up protection devices with intellectual monitoring function according to claim 1, it is characterised in that：It is described Display module is arranged on SPD back-up protection devices by plug-in module.
- A kind of 3. SPD back-up protection devices with intellectual monitoring function according to claim 2, it is characterised in that：It is described Plug-in module includes the first stuck-module and base module.
- A kind of 4. SPD back-up protection devices with intellectual monitoring function according to claim 3, it is characterised in that：It is described First stuck-module includes plug shell and fixed seat, and first circuit board is provided with the fixed seat.
- A kind of 5. SPD back-up protection devices with intellectual monitoring function according to claim 3, it is characterised in that：It is described Base module includes upper lid and lower bottom base, and supporting studs are provided with second circuit board on the lower bottom base.
- A kind of 6. SPD back-up protection devices with intellectual monitoring function according to claim 1, it is characterised in that：It is described Current transformer is electrically connected by the shell fragment on second circuit board.
- A kind of 7. SPD back-up protection devices with intellectual monitoring function according to claim 1, it is characterised in that：It is described RS485 communication interfaces are additionally provided with housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720666860.8U CN206790091U (en) | 2017-06-09 | 2017-06-09 | A kind of SPD back-up protection devices with intellectual monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720666860.8U CN206790091U (en) | 2017-06-09 | 2017-06-09 | A kind of SPD back-up protection devices with intellectual monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206790091U true CN206790091U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720666860.8U Active CN206790091U (en) | 2017-06-09 | 2017-06-09 | A kind of SPD back-up protection devices with intellectual monitoring function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086556A (en) * | 2017-06-09 | 2017-08-22 | 北京广荣电气科技有限公司 | A kind of SPD back-up protection devices with intellectual monitoring function |
| CN107947143A (en) * | 2018-01-04 | 2018-04-20 | 北京广荣防雷技术有限公司 | A kind of SPD back-up protection devices of new principle structure |
-
2017
- 2017-06-09 CN CN201720666860.8U patent/CN206790091U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086556A (en) * | 2017-06-09 | 2017-08-22 | 北京广荣电气科技有限公司 | A kind of SPD back-up protection devices with intellectual monitoring function |
| CN107947143A (en) * | 2018-01-04 | 2018-04-20 | 北京广荣防雷技术有限公司 | A kind of SPD back-up protection devices of new principle structure |
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