CN206302136U - For the low-voltage protection device of electrical fire monitoring protection - Google Patents
For the low-voltage protection device of electrical fire monitoring protection Download PDFInfo
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- CN206302136U CN206302136U CN201621447364.5U CN201621447364U CN206302136U CN 206302136 U CN206302136 U CN 206302136U CN 201621447364 U CN201621447364 U CN 201621447364U CN 206302136 U CN206302136 U CN 206302136U
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Abstract
The utility model discloses a kind of low-voltage protection device for electrical fire monitoring protection, the low-voltage protection device includes:Monitoring unit, processor unit, signal processing unit, protection act output unit, alarm unit, signal processing unit, protection act output unit, alarm unit are respectively electrically connected to processor unit;Monitoring unit includes relay protection current transformer, residual current transformer and temperature sensor, and the output end of monitoring unit is electrically connected with signal processing unit;The signal of processor unit receipt signal processing unit output, and protection act output unit and alarm unit are driven according to signal.Each side of the present utility model can be by monitoring unit and processor; realize simultaneously carrying out equipment or circuit conventional relay protection, electrically detection and fire hazard monitoring; conventional low voltage microcomputer protecting device and fire detection detector can be replaced; easy-to-connect; simple structure; can great reduces cost, save switch cabinet panel area.
Description
Technical field
The utility model is related to electic protection and monitoring field, in particular it relates to one kind is protected for electrical fire monitoring
Low-voltage protection device.
Background technology
Electrical fire proportion in all kinds of fire causes occupies first place always, remains high, and causes huge wealth
Produce loss.It is containment electrical fire accident, relevant department pays much attention to, formulates in succession, have modified concerned countries standard criterion, many
Individual specification proposes requirement to the monitoring of electrical fire, and electrical fire monitoring warning system also serves as an independent system should
Transport and give birth to.Electrical fire-detector is mainly used in collection leakage as one important component of electrical fire monitoring warning system
Electric current signal and temperature signal, and electrical fire monitor is uploaded to, to play the purpose of fire preventing.
Most low-pressure systems use microcomputer protecting device, are capable of achieving short-circuit protection, overload protection to equipment or circuit
Deng relay protection, load condition is detected, the function such as electric current, voltage signal detection, and data can be uploaded to the electric prison of higher level
Control system is realizing remotely monitoring load condition.Earth leakage protective therein is already protected as one-phase ground protection as low pressure microcomputer
One basic function of protection unit.
Current way is that low-voltage microcomputer protection device and electrical fire-detector are pacified as two independent device applications
In low-pressure system, wiring is complicated, and relatively costly, element is more on panel, and function has part to repeat.It is therefore desirable to research and develop
A kind of low-voltage protection device with electrical fire monitoring defencive function of simple structure, easy-to-connect.
Utility model content
The purpose of this utility model is to provide a kind of low-voltage protection device for electrical fire monitoring protection, for simultaneously
Realize relay protection and fire hazard monitoring, simple structure, easy-to-connect.
To achieve these goals, the utility model provides a kind of low-voltage variation dress for electrical fire monitoring protection
Put, described device includes:Monitoring unit, processor unit, signal processing unit, protection act output unit, alarm unit, institute
State signal processing unit, protection act output unit, alarm unit and be respectively electrically connected to the processor unit;
The monitoring unit includes relay protection current transformer, residual current transformer and temperature sensor, the prison
The output end for controlling unit is electrically connected with signal processing unit;
The processor unit receives the signal of the signal processing unit output, and drives the guarantor according to the signal
Shield acts output unit and alarm unit.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes power supply unit, the power supply
Unit is used to be supplied to the monitoring unit, processor unit, signal processing unit, protection act output unit and alarm unit
Electricity.
Preferably, said supply unit is dc source or AC power.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes display unit, the display
Unit is used to show the output valve of the monitoring unit and/or the state of the alarm unit.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes On-off signal unit, institute
State On-off signal unit and be connected to the processor unit, it is described for that will be input into by the state of the power switch of protection equipment
Processor unit.
Preferably, the protection act output unit is used to be switched off or on the power switch by protection equipment.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes communication unit, the communication
Unit is connected to the processor unit, for the signal transmission that receives the processor unit to higher level's monitoring system.
Preferably, the communication unit is including in RS485 interfaces, CAN interface, Ethernet interface and wireless communication interface
It is at least one.
Preferably, the alarm unit includes audible-visual annunciator and/or phonetic alarm.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes signal output unit, described
Signal output unit is connected to the processor unit, the result for exporting the processor unit.
The beneficial effects of the utility model are:Low-voltage variation dress for electrical fire monitoring protection of the present utility model
Putting can carry out conventional relay protection, electrically detection and fire hazard monitoring to equipment or circuit simultaneously, can replace conventional low voltage microcomputer
Protection device and fire detection detector, easy-to-connect, simple structure, can great reduces cost, save switch cabinet panel face
Product.
System of the present utility model has other characteristics and advantage, and these characteristics and advantage are from the accompanying drawing being incorporated herein
Be will be apparent with subsequent specific embodiment, or by the accompanying drawing being incorporated herein and subsequent specific embodiment
In stated in detail, these the drawings and specific embodiments are provided commonly for explaining certain principles of the present utility model.
Brief description of the drawings
The utility model exemplary embodiment is described in more detail by with reference to accompanying drawing, it is of the present utility model above-mentioned
And other purposes, feature and advantage will be apparent, wherein, in the utility model exemplary embodiment, identical
Reference number typically represents same parts.
Fig. 1 shows the low-voltage variation dress protected for electrical fire monitoring according to one embodiment of the present utility model
The schematic diagram put.
Description of reference numerals:
1st, relay protection current transformer;2nd, residual current transformer;3rd, temperature sensor;4th, signal processing unit;5、
Processor unit;6th, communication unit;7th, On-off signal unit;8th, display unit;9th, power supply unit;10th, protection act output
Unit;11st, signal output unit;12nd, alarm unit;13rd, by protection equipment.
Specific embodiment
Preferred embodiment of the present utility model is more fully described below with reference to accompanying drawings.Although showing this reality in accompanying drawing
With new preferred embodiment, however, it is to be appreciated that may be realized in various forms the utility model without that should be illustrated here
Embodiment limited.Conversely, these embodiments are provided so that the utility model is more thorough and complete, and can be by
Scope of the present utility model intactly conveys to those skilled in the art.
Included according to the low-voltage protection device protected for electrical fire monitoring of the present utility model:Monitoring unit, treatment
Device unit, signal processing unit, protection act output unit, alarm unit, signal processing unit, protection act output unit,
Alarm unit is respectively electrically connected to processor unit;
Monitoring unit includes relay protection current transformer, residual current transformer and temperature sensor, monitoring unit
Output end is electrically connected with signal processing unit;
Processor unit receipt signal processing unit output signal, and according to signal drive protection act output unit and
Alarm unit.
Specifically, when low-voltage protection device works, relay protection current transformer, residual current transformer and temperature are passed
The primary side of sensor is connected with by the supply line of protection equipment, and the output end of monitoring unit is electrically connected with signal processing unit,
Current signal, electric leakage signal and temperature that relay protection current transformer, residual current transformer and temperature sensor are detected
Signal is sent to processor unit after signal processing unit collection, conditioning.The current signal that processor unit will be received is made
It is the electric current criterion and current detection signal of relay protection, relay protection and electric leakage is carried out as traditional microcomputer protecting device
Current detecting, carries out one-phase ground protection, and believe based on the electric leakage signal for receiving and temperature based on the electric leakage signal for receiving
Number carry out electrical fire detection.Current signal and temperature signal given threshold to low-voltage protection device, when current signal and temperature
When degree signal exceedes threshold value, alarm unit alarm, protection act output unit is cut off by the power switch of protection equipment.
Monitoring unit is passed through for the low-voltage protection device that electrical fire monitoring is protected according to exemplary implementation method
And processor, the function of conventional relay protection, electric detection and fire hazard monitoring can be carried out to equipment or circuit simultaneously, can replace
Conventional low voltage microcomputer protecting device and fire detection detector, easy-to-connect, simple structure, can great reduces cost, save
Switch cabinet panel area.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes power supply unit, and power supply is single
Unit to monitoring unit, processor unit, signal processing unit, protection act output unit and alarm unit for powering.
Preferably, power supply unit is dc source or AC power.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes display unit, and display is single
Unit can show the signal value of detection for the output valve of display monitoring unit and/or the state of alarm unit, display unit, respectively
Pre-set parameter, the information such as alarming value and each function menu plays more intuitively protection to low pressure route.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes On-off signal unit,
On-off signal unit is connected to processor unit, for by by the state input processor list of the power switch of protection equipment
Unit.
Preferably, protection act output unit is used to be switched off or on by the power switch of protection equipment, to low
The current signal and low-voltage circuit running temperature signal given threshold of protection device are pressed, when low-voltage circuit current signal and low-voltage line
When road running temperature signal exceedes threshold value, protection act output unit is cut off by the power switch of protection equipment.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes communication unit, and communication is single
Unit is connected to processor unit, for the signal transmission that receives processor unit to higher level's monitoring system.Communication unit can be with
It is multiple.
Preferably, communication unit is including in RS485 interfaces, CAN interface, Ethernet interface and wireless communication interface
At least one.
Preferably, alarm unit includes audible-visual annunciator and/or phonetic alarm.
Preferably, the low-voltage protection device for electrical fire monitoring protection also includes signal output unit, letter
Number output unit is connected to processor unit, for the result of output processor unit.
Embodiment
Fig. 1 shows the low-voltage variation dress protected for electrical fire monitoring according to one embodiment of the present utility model
The schematic diagram put.
As shown in figure 1, the low-voltage protection device for being used for electrical fire monitoring protection includes:Monitoring unit, processor list
Unit 5, signal processing unit 4, protection act output unit 10, alarm unit 12, signal processing unit 4, protection act output are single
Unit 10, alarm unit 12 is respectively electrically connected to processor unit 5;
Monitoring unit includes relay protection current transformer 1, residual current transformer 2 and temperature sensor 3, monitoring unit
Output end electrically connected with signal processing unit 4;
The signal of the output of 5 receipt signal processing unit of processor unit 4, and protection act output unit is driven according to signal
10 and alarm unit 12.
Wherein, the low-voltage protection device for electrical fire monitoring protection also includes power supply unit 9, and power supply unit 9 is used for
Powered to monitoring unit, processor unit 5, signal processing unit 4, protection act output unit 10 and alarm unit 12.
Wherein, power supply unit 9 is dc source or AC power.
Wherein, the low-voltage protection device for electrical fire monitoring protection also includes display unit 8, and display unit 8 is used for
The output valve of display monitoring unit and the state of alarm unit 12, display unit 8 can also show each pre-set parameter, alarming value and
The information such as each function menu.
Wherein, the low-voltage protection device for electrical fire monitoring protection also includes On-off signal unit 7, and switching value is defeated
Enter unit 7 and be connected to processor unit 5, for by by the state input processor unit 5 of the power switch of protection equipment.
Wherein, protection act output unit 10 is used to be switched off or on by the power switch of protection equipment 13.
Wherein, the low-voltage protection device for electrical fire monitoring protection also includes communication unit 6, and communication unit 6 is connected
To processor unit 5, for the signal transmission that receives processor unit 5 to higher level's monitoring system.
Wherein, communication unit 6 include RS485 interfaces, CAN interface, Ethernet interface and wireless communication interface at least
It is a kind of.
Wherein, alarm unit 12 includes audible-visual annunciator and phonetic alarm.
Wherein, the low-voltage protection device for electrical fire monitoring protection also includes signal output unit 11, signal output
Unit 11 is connected to processor unit 5, for the result of output processor unit 5.
When low-voltage protection device works, relay protection current transformer 1, residual current transformer 2 and temperature sensor 3
Primary side be connected with by the supply line of protection equipment 13, the output end of monitoring unit is electrically connected with signal processing unit 4, after
Current signal, electric leakage signal and temperature that electric protection current transformer 1, residual current transformer 2 and temperature sensor 3 are detected
Signal is sent to processor unit 5 after gathering, nurse one's health through signal processing unit 4.Processor unit 5 is based on the electric current letter for receiving
Number, to carrying out relay protection and leakage current detection by protection equipment 13, based on the electric leakage signal for receiving to by protection equipment
13 carry out one-phase ground protection, based on the electric leakage signal and temperature signal for receiving through signal to being carried out electrically by protection equipment 13
Fire detection.The signal that communication unit 6 will be detected uploads to higher level's monitoring system, when by the current signal of protection equipment 13 and
When temperature signal exceedes threshold value, alarm unit 12 is alarmed, and protection act output unit 10 is cut off by the power switch of protection equipment.
On-off signal unit 7 is obtained by the state of the power switch of protection equipment, and by communication unit 6 by by the confession of protection equipment
The state of electric switch is uploaded to other monitoring systems.
In sum, each side of the present utility model can by monitoring unit and processor, realize simultaneously to equipment or
Circuit carry out conventional relay protection, electrically detection and fire hazard monitoring function, can replace conventional low voltage microcomputer protecting device and
Fire detection detector, easy-to-connect, simple structure, can great reduces cost, save switch cabinet panel area.
It is described above embodiment of the present utility model, described above is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed embodiment.In the case of the scope and spirit without departing from embodiment described, for this technology
Many modifications and changes will be apparent from for the those of ordinary skill in field.The selection of term used herein, it is intended to
Best explain the principle of each embodiment, practical application or to the technological improvement in market, or make the art other
Those of ordinary skill is understood that each embodiment disclosed herein.
Claims (10)
1. it is a kind of for electrical fire monitoring protection low-voltage protection device, it is characterised in that the low-voltage protection device includes:
Monitoring unit, processor unit, signal processing unit, protection act output unit, alarm unit, the signal processing unit,
Protection act output unit, alarm unit are respectively electrically connected to the processor unit;
The monitoring unit includes relay protection current transformer, residual current transformer and temperature sensor, the monitoring list
The output end of unit is electrically connected with signal processing unit;
The processor unit receives the signal of the signal processing unit output, and drives the protection dynamic according to the signal
Make output unit and alarm unit.
2. it is according to claim 1 for electrical fire monitoring protection low-voltage protection device, it is characterised in that also include
Power supply unit, said supply unit is used to be exported to the monitoring unit, processor unit, signal processing unit, protection act
Unit and alarm unit are powered.
3. it is according to claim 2 for electrical fire monitoring protection low-voltage protection device, it is characterised in that the confession
Electric unit is dc source or AC power.
4. it is according to claim 1 for electrical fire monitoring protection low-voltage protection device, it is characterised in that also include
Display unit, the display unit is used to show the output valve of the monitoring unit and/or the state of the alarm unit.
5. it is according to claim 1 for electrical fire monitoring protection low-voltage protection device, it is characterised in that also include
On-off signal unit, the On-off signal unit is connected to the processor unit, for by by the power supply of protection equipment
The state of switch is input into the processor unit.
6. it is according to claim 5 for electrical fire monitoring protection low-voltage protection device, it is characterised in that the guarantor
Shield action output unit is used to be switched off or on the power switch by protection equipment.
7. it is according to claim 1 for electrical fire monitoring protection low-voltage protection device, it is characterised in that also include
Communication unit, the communication unit is connected to the processor unit, for the signal transmission for receiving the processor unit
To higher level's monitoring system.
8. the low-voltage protection device for electrical fire monitoring protection according to claim 7, it is characterised in that described logical
News unit includes at least one in RS485 interfaces, CAN interface, Ethernet interface and wireless communication interface.
9. it is according to claim 1 for electrical fire monitoring protection low-voltage protection device, it is characterised in that the report
Alert unit includes audible-visual annunciator and/or phonetic alarm.
10. it is according to claim 1 for electrical fire monitoring protection low-voltage protection device, it is characterised in that also wrap
Signal output unit is included, the signal output unit is connected to the processor unit, for exporting the processor unit
Result.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621447364.5U CN206302136U (en) | 2016-12-27 | 2016-12-27 | For the low-voltage protection device of electrical fire monitoring protection |
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Application Number | Priority Date | Filing Date | Title |
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CN201621447364.5U CN206302136U (en) | 2016-12-27 | 2016-12-27 | For the low-voltage protection device of electrical fire monitoring protection |
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Publication Number | Publication Date |
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CN206302136U true CN206302136U (en) | 2017-07-04 |
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ID=59205120
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CN201621447364.5U Active CN206302136U (en) | 2016-12-27 | 2016-12-27 | For the low-voltage protection device of electrical fire monitoring protection |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107341944A (en) * | 2017-08-31 | 2017-11-10 | 中山市程博工业产品设计有限公司 | A kind of electrical fire prevents monitoring detector |
CN111047813A (en) * | 2019-12-24 | 2020-04-21 | 滁州安瑞电力自动化有限公司 | Microcomputer protection device capable of alarming electrical hidden trouble |
CN116721509A (en) * | 2023-06-14 | 2023-09-08 | 宁波市轨道交通集团有限公司智慧运营分公司 | Electrical fire monitoring and fire control non-cutting control system based on microcomputer protection monitoring |
-
2016
- 2016-12-27 CN CN201621447364.5U patent/CN206302136U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107341944A (en) * | 2017-08-31 | 2017-11-10 | 中山市程博工业产品设计有限公司 | A kind of electrical fire prevents monitoring detector |
CN111047813A (en) * | 2019-12-24 | 2020-04-21 | 滁州安瑞电力自动化有限公司 | Microcomputer protection device capable of alarming electrical hidden trouble |
CN116721509A (en) * | 2023-06-14 | 2023-09-08 | 宁波市轨道交通集团有限公司智慧运营分公司 | Electrical fire monitoring and fire control non-cutting control system based on microcomputer protection monitoring |
CN116721509B (en) * | 2023-06-14 | 2024-02-09 | 宁波市轨道交通集团有限公司智慧运营分公司 | Electrical fire monitoring and fire control non-cutting control system based on microcomputer protection monitoring |
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