CN207269147U - Micro-capacitance sensor voltage protective device - Google Patents
Micro-capacitance sensor voltage protective device Download PDFInfo
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- CN207269147U CN207269147U CN201720906092.9U CN201720906092U CN207269147U CN 207269147 U CN207269147 U CN 207269147U CN 201720906092 U CN201720906092 U CN 201720906092U CN 207269147 U CN207269147 U CN 207269147U
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- 238000006243 chemical reaction Methods 0.000 claims description 8
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- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
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Abstract
The utility model discloses a kind of micro-capacitance sensor voltage protective device, including casing, casing internal to be equipped with：Voltage sensor；The output terminal of voltage collector, its input terminal and voltage sensor is electrically connected；The output terminal of operational amplifier, its input terminal and voltage collector is electrically connected；The output terminal of digital analog converter, its input terminal and operational amplifier is electrically connected；The output terminal of processor, its input terminal and digital analog converter is electrically connected；Memory, is electrically connected with processor；The output terminal of breaker, its input terminal and processor is electrically connected.Such a micro-capacitance sensor voltage protective device by voltage sensor, voltage sample device with the use of the voltage fluctuation of monitoring micro-capacitance sensor in real time and input to after data acquisition processor analyzed, computing and judgement; the voltage of micro-capacitance sensor is detected whether in normal range (NR); and then pass through the break-make of breaker control micro-capacitance sensor circuit; so as to fulfill the stabilization of effective protection, effectively guarantee micro-grid system to micro-capacitance sensor voltage.
Description
Technical field
Electrical equipment technical field is the utility model is related to, more particularly to a kind of micro-capacitance sensor voltage protective device.
Background technology
Micro-capacitance sensor refers to by groups such as distributed generation resource, energy storage device, energy conversion device, load, monitoring and protective devices
Into small-sized electric system.Micro-capacitance sensor can realize self-contr ol, protection and the autonomous system of management, both can be with external electrical
Net is incorporated into the power networks, can also isolated operation.The it is proposed of micro-capacitance sensor aims at flexible, the efficient application of distributed generation resource, solves
Substantial amounts, the grid-connected problem of various informative distributed generation resource, realize the highly reliable supply to load various energy resources form, are real
A kind of effective means of existing active power distribution network, makes traditional power grid to intelligent grid transition.
With the popularization and application of micro-capacitance sensor, the protection to it becomes important subject in the art.It is but traditional
Voltage protection can not carry out micro-capacitance sensor voltage effectively detection and analysis, so that effective protection can not be provided.
Therefore, how to overcome problem present in existing micro-capacitance sensor protection, be that those skilled in the art need to solve at present
Technical problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of micro-capacitance sensor voltage protective device, can detect micro-capacitance sensor
Voltage whether in normal range (NR), so as to fulfill effective protection to micro-capacitance sensor voltage.
To achieve the above object, the utility model provides following technical solution：
A kind of micro-capacitance sensor voltage protective device, including casing, the casing internal are equipped with：
Voltage sensor, for monitoring the voltage of micro-capacitance sensor in real time；
Voltage collector, for gathering the detection data of the voltage sensor, the input terminal of the voltage collector with
The output terminal of the voltage sensor is electrically connected；
Operational amplifier, for carrying out operation amplifier, the input terminal of the operational amplifier and institute to the detection data
The output terminal for stating voltage collector is electrically connected；
Digital analog converter, for carrying out digital-to-analogue conversion, the input terminal of the digital analog converter and institute to the detection data
The output terminal for stating operational amplifier is electrically connected；
Processor, it is described for being analyzed the detection data and sending breaking indication signal according to analysis result
The input terminal of processor and the output terminal of the digital analog converter are electrically connected；
Memory, is electrically connected with the processor；
Breaker, for performing open-circuit operation, the input terminal of the breaker when receiving the breaking indication signal
It is electrically connected with the output terminal of the processor.
Preferably, the casing internal is additionally provided with：
Interference preventer, for preventing outer signals from disturbing, the output terminal of the interference preventer and the processor
Input terminal is electrically connected.
Preferably, the casing internal is equipped with power supply, and the power supply includes built-in lithium battery and external power supply, the power supply
The input terminal of output terminal and the processor be electrically connected.
Preferably, it is fixed with the side wall of the casing：
Display screen, the input terminal of the display screen and the output terminal of the processor are electrically connected.
Preferably, it is fixed with the side wall of the casing：
Multiple operation buttons, each operation button are both provided with corresponding indicator light, the output of the operation button
End and the input terminal of the processor are electrically connected, and the output terminal of the processor and the input terminal of the indicator light electrically connect
Connect.
Preferably, the display screen, all operation buttons and all indicator lights are arranged on the of the casing
In one side wall, the display screen is arranged on the upper left side of the first side wall, and the operation button is arranged on described with the indicator light
The underface of display screen, the right side of the first side wall are from top to bottom equipped with killer switch, the power supply of the breaker successively
Switch and I/O interfaces, the I/O interfaces are electrically connected with the processor, the output terminal of the power switch and the place
The input terminal for managing device is electrically connected.
Preferably, it is respectively provided with heat emission hole in two opposing sidewalls of the casing.
Preferably, it is fixed with the side wall of the casing：
Loudspeaker, the input terminal of the loudspeaker and the output terminal of the processor are electrically connected.
Preferably, it is fixed with dustproof filter screen on the heat emission hole and the loudspeaker.
Preferably, the casing internal is additionally provided with：
Clock apparatus, the output terminal of the clock apparatus and the input terminal of the processor are electrically connected.
The utility model is provided in micro-capacitance sensor voltage protective device, including voltage sensor, voltage sample device, computing are put
Big device, digital analog converter, processor, memory and breaker.When being worked, voltage sensor monitors micro-capacitance sensor in real time
The fluctuation parameters of middle voltage, meanwhile, the detection data of voltage collector collection voltages sensor and be transferred to operational amplifier into
Row operation amplifier, then carries out digital-to-analogue conversion through digital analog converter, and afterwards, detection data are transferred to processor and are analyzed, and
Detection data are transferred to memory and are stored by processor, and whether the voltage that processor judges to measure exceedes preset voltage value,
If it is, sending signal to breaker, circuit breaker control circuit disconnects.
Such a micro-capacitance sensor voltage protective device monitors micro- electricity in real time by voltage sensor, being used cooperatively for voltage sample device
The voltage fluctuation of net and inputed to after data acquisition processor analyzed, computing and judgement, detecting the voltage of micro-capacitance sensor is
It is no in normal range (NR), and then by the break-make of breaker control micro-capacitance sensor circuit, so as to fulfill to the effective of micro-capacitance sensor voltage
Protection, effectively ensures the stabilization of micro-grid system；It is simple in structure meanwhile each component is integrated in casing internal, easy to dispose.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is provided the structure diagram of micro-capacitance sensor voltage protective device by the utility model；
Fig. 2 is provided the system block diagram of micro-capacitance sensor voltage protective device by the utility model.
Fig. 1 is into Fig. 2：
1- casings, 2- display screens, 3- killer switches, 4- operation buttons, 5- indicator lights, 6-I/O interfaces, 7- power supplys are opened
Close, 8- heat emission holes, 9- loudspeakers, 10- power supplys, 11- interference preventers, 12- clock apparatus, 13- voltage sensors, 14- voltages
Collector, 15- operational amplifiers, 16- digital analog converters, 17- processors, 18- breakers, 19- memories.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The core of the utility model is to provide a kind of voltage that can detect micro-capacitance sensor whether in normal range (NR), so that real
Now to effective protection of micro-capacitance sensor voltage.
Please refer to Fig.1 and Fig. 2, Fig. 1 are provided the structure diagram of micro-capacitance sensor voltage protective device by the utility model；Figure
2 are provided the system block diagram of micro-capacitance sensor voltage protective device by the utility model.
The utility model is provided in a kind of specific embodiment of micro-capacitance sensor voltage protective device, including casing 1, casing 1
Be internally provided with：
Voltage sensor 13, for monitoring the voltage of micro-capacitance sensor in real time；
Voltage collector 14, for the detection data of collection voltages sensor 13, input terminal and the electricity of voltage collector 14
The output terminal of pressure sensor 13 is electrically connected；
Operational amplifier 15, for carrying out operation amplifier to detection data, input terminal and the voltage of operational amplifier 15 are adopted
The output terminal of storage 14 is electrically connected；
Digital analog converter 16, for carrying out digital-to-analogue conversion to detection data, input terminal and the computing of digital analog converter 16 are put
The output terminal of big device 15 is electrically connected；
Processor 17, for being analyzed detection data and sending breaking indication signal according to analysis result, specifically may be used
To compare the magnitude relationship between detection data and preset voltage value, and open circuit is sent when detecting data and exceeding preset voltage value
Indication signal, the input terminal of processor 17 are electrically connected with the output terminal of digital analog converter 16；
Memory 19, is electrically connected with processor 17；
Breaker 18, for performing open-circuit operation, the input terminal of breaker 18 and place when receiving breaking indication signal
The output terminal for managing device 17 is electrically connected.
When being worked, voltage sensor 13 monitors the fluctuation parameters of voltage in micro-capacitance sensor in real time, meanwhile, voltage acquisition
The detection data of 14 collection voltages sensor 13 of device are simultaneously transferred to the progress operation amplifier of operational amplifier 15, then through digital-to-analogue conversion
Device 16 carries out digital-to-analogue conversion, and afterwards, detection data are transferred to processor 17 and are analyzed, and processor 17 will detect data transfer
Stored to memory 19, processor 17 judges whether the voltage that measures exceedes preset voltage value, if it is, to breaker
18 send signal, and 18 control circuit of breaker disconnects.Wherein, preset voltage value can be stored in memory 19, processor 17
Preset voltage value can be obtained from memory 19, detection data, the analysis result collected can also be stored in memory 19
Etc. information.
Such a micro-capacitance sensor voltage protective device by voltage sensor 13, voltage sample device it is micro- with the use of in real time monitoring
The voltage fluctuation of power grid and inputed to after data acquisition processor 17 analyzed, computing and judgement, detect the electricity of micro-capacitance sensor
Press whether in normal range (NR), and then the break-make of micro-capacitance sensor circuit is controlled by breaker 18, so as to fulfill to micro-capacitance sensor voltage
Effective protection, effectively ensure the stabilization of micro-grid system；It is simple in structure meanwhile each component is integrated in inside casing 1, it is easy to
Placement.
On the basis of above-described embodiment, be also provided with interference preventer 11 inside casing 1, interference preventer 11 it is defeated
Outlet and the input terminal of processor 17 are electrically connected.In voltage fluctuation gatherer process, interference preventer 11 can prevent the external world
Signal interference, so as to so that the data collected are more accurate, prevent processor 17 from judging by accident, ensures analysis efficiency and result
Accuracy, and enable 17 timely processing of processor and make corresponding reaction, improve the sensitivity that processor 17 reacts.
On the basis of above-mentioned each embodiment, casing 1 is internally provided with power supply 10, and power supply 10 can specifically include built-in lithium
Battery and external power supply 10, the output terminal of power supply 10 are electrically connected with the input terminal of processor 17.Make in the place close to socket
During with the micro-capacitance sensor voltage protective device, external power supply 10 can be connected, the micro-capacitance sensor voltage is used in the place away from socket
It during protective device, can be powered using built-in lithium battery, improve the applicability and facility of micro-capacitance sensor voltage protective device
Property.
On the basis of above-mentioned each embodiment, display screen 2 can be fixed with the side wall of casing 1, display screen 2 it is defeated
Enter end and the output terminal of processor 17 is electrically connected.Display screen 2 specifically can be with the handling result of video-stream processor 17, in processor
17 when receiving the detection data of digital analog converter 16, can be transferred on display screen 2 and be shown.Certainly, display screen 2 can also
For showing the other informations such as time, weather.
Multiple operation buttons 4 can be fixed with the basis of above-mentioned each embodiment, on the side wall of casing 1, each
Operation button 4 is both provided with corresponding indicator light 5, and the output terminal of operation button 4 is electrically connected with the input terminal of processor 17, and
The output terminal of processor 17 is electrically connected with the input terminal of indicator light 5.Indicator light 5 is corresponded with control button and associated, with right
The state of display control button is answered, control button specifically can include status display button, system sets button, 9 sound of loudspeaker
The device keys such as control button, 2 display button of display screen are measured, can specifically be arranged as required to its function.
On the basis of above-mentioned each embodiment, please refer to Fig.1, display screen 2, all operation buttons 4, all indicator lights 5
It is arranged on the first side wall of casing 1, display screen 2 is arranged on the upper left side of the first side wall, and operation button 4 is set with indicator light 5
Put in the underface of display screen 2, the right side of the first side wall is from top to bottom equipped with killer switch 3, the power supply of breaker 18 successively
Switch 7 and I/O interfaces 6.I/O interfaces 6 are electrically connected with processor 17, to realize that the data between processor 17 and the external world are handed over
Mutually.The output terminal of power switch 7 is electrically connected with the input terminal of processor 17.That is, display screen 2, operation button 4, indicator light 5,
Killer switch 3, power switch 7 and I/O interfaces 6 are arranged on the same side wall of casing 1, easy to various operations into
OK, design relatively reasonable.Wherein, the noun of locality such as upper and lower, left and right is on the basis of Fig. 1, only for ease of description, it is impossible to is interpreted as pair
The limitation of the application.
On the basis of above-mentioned each embodiment, heat emission hole 8 can be respectively provided with two opposing sidewalls of casing 1, specifically
It can be set with face, to ensure heat dissipation effect, prevent 1 over-heat inside of casing and cause danger.Casing 1 is specifically as follows cuboid
Or other shapes.
On the basis of above-mentioned each embodiment, loudspeaker 9 can be fixed with the side wall of casing 1, loudspeaker 9 it is defeated
Enter end and the output terminal of processor 17 is electrically connected.Loudspeaker 9 can be when processor 17 obtains needing the analysis result of open circuit
Alarm is sent, to prompt field personnel to make corresponding processing in time.
On the basis of above-mentioned each embodiment, dustproof filter screen can be fixed with heat emission hole 8 and loudspeaker 9, with
Prevent dust from entering the inside of casing 1, mitigate the cleaning burden inside casing 1.
On the basis of above-mentioned each embodiment, be also provided with clock apparatus 12 inside casing 1, clock apparatus 12 it is defeated
Outlet and the input terminal of processor 17 are electrically connected.Clock apparatus 12 can provide correct time information to processor 17, when
Between information specifically may be displayed on display screen 2.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Micro-capacitance sensor voltage protective device provided by the utility model is described in detail above.It is used herein
Specific case is set forth the principle and embodiment of the utility model, and the explanation of above example is only intended to help to manage
Solve the method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not
On the premise of departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and repair
Decorations are also fallen into the protection domain of the utility model claims.
Claims (10)
1. a kind of micro-capacitance sensor voltage protective device, it is characterised in that including casing (1), the casing (1) is internally provided with：
Voltage sensor (13), for monitoring the voltage of micro-capacitance sensor in real time；
Voltage collector (14), for gathering the detection data of the voltage sensor (13), the voltage collector (14)
The output terminal of input terminal and the voltage sensor (13) is electrically connected；
Operational amplifier (15), for carrying out operation amplifier, the input terminal of the operational amplifier (15) to the detection data
It is electrically connected with the output terminal of the voltage collector (14)；
Digital analog converter (16), for carrying out digital-to-analogue conversion, the input terminal of the digital analog converter (16) to the detection data
It is electrically connected with the output terminal of the operational amplifier (15)；
Processor (17), it is described for being analyzed the detection data and sending breaking indication signal according to analysis result
The input terminal of processor (17) is electrically connected with the output terminal of the digital analog converter (16)；
Memory (19), is electrically connected with the processor (17)；
Breaker (18), for performing open-circuit operation when receiving the breaking indication signal, the breaker (18) it is defeated
Enter end and the output terminal of the processor (17) is electrically connected.
2. micro-capacitance sensor voltage protective device according to claim 1, it is characterised in that be additionally provided with inside the casing (1)：
Interference preventer (11), for preventing outer signals from disturbing, output terminal and the processing of the interference preventer (11)
The input terminal of device (17) is electrically connected.
3. micro-capacitance sensor voltage protective device according to claim 2, it is characterised in that the casing (1) is internally provided with electricity
Source (10), the power supply (10) include built-in lithium battery and external power supply, output terminal and the processor of the power supply (10)
(17) input terminal is electrically connected.
4. micro-capacitance sensor voltage protective device according to claim 2, it is characterised in that solid on the side wall of the casing (1)
Surely it is equipped with：
Display screen (2), the input terminal of the display screen (2) are electrically connected with the output terminal of the processor (17).
5. micro-capacitance sensor voltage protective device according to claim 4, it is characterised in that solid on the side wall of the casing (1)
Surely it is equipped with：
Multiple operation buttons (4), each operation button (4) are both provided with corresponding indicator light (5), the operation button
(4) input terminal of output terminal and the processor (17) is electrically connected, output terminal and the instruction of the processor (17)
The input terminal of lamp (5) is electrically connected.
6. micro-capacitance sensor voltage protective device according to claim 5, it is characterised in that the display screen (2), all described
With all indicator lights (5) on the first side wall of the casing (1), the display screen (2) is arranged on operation button (4)
The upper left side of the first side wall, the operation button (4) are arranged on the underface of the display screen (2) with the indicator light (5),
The right side of the first side wall from top to bottom successively equipped with the killer switch (3) of the breaker (18), power switch (7) with
And I/O interfaces (6), the I/O interfaces (6) and the processor (17) are electrically connected, the output terminal of the power switch (7) with
The input terminal of the processor (17) is electrically connected.
7. micro-capacitance sensor voltage protective device according to claim 6, it is characterised in that two of the casing (1) are opposite
Heat emission hole (8) is respectively provided with side wall.
8. micro-capacitance sensor voltage protective device according to claim 7, it is characterised in that solid on the side wall of the casing (1)
Surely it is equipped with：
Loudspeaker (9), the input terminal of the loudspeaker (9) are electrically connected with the output terminal of the processor (17).
9. micro-capacitance sensor voltage protective device according to claim 8, it is characterised in that the heat emission hole (8) and described raise
Sound device is fixed with dustproof filter screen on (9).
10. the micro-capacitance sensor voltage protective device according to claim 1 to 9 any one, it is characterised in that the casing
(1) it is internal to be additionally provided with：
Clock apparatus (12), the output terminal of the clock apparatus (12) are electrically connected with the input terminal of the processor (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720906092.9U CN207269147U (en) | 2017-07-25 | 2017-07-25 | Micro-capacitance sensor voltage protective device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720906092.9U CN207269147U (en) | 2017-07-25 | 2017-07-25 | Micro-capacitance sensor voltage protective device |
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| CN207269147U true CN207269147U (en) | 2018-04-24 |
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| CN201720906092.9U Active CN207269147U (en) | 2017-07-25 | 2017-07-25 | Micro-capacitance sensor voltage protective device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050544A (en) * | 2021-11-17 | 2022-02-15 | 江苏工程职业技术学院 | Micro-grid relay protection device and method |
-
2017
- 2017-07-25 CN CN201720906092.9U patent/CN207269147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114050544A (en) * | 2021-11-17 | 2022-02-15 | 江苏工程职业技术学院 | Micro-grid relay protection device and method |
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