CN207410005U - A kind of energy saving power grid measure voltage ＆ current protective device - Google Patents
A kind of energy saving power grid measure voltage ＆ current protective device Download PDFInfo
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- CN207410005U CN207410005U CN201721412025.8U CN201721412025U CN207410005U CN 207410005 U CN207410005 U CN 207410005U CN 201721412025 U CN201721412025 U CN 201721412025U CN 207410005 U CN207410005 U CN 207410005U
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- energy saving
- power grid
- circuit
- saving power
- voltage
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Abstract
The utility model provides a kind of energy saving power grid measure voltage ＆ current protective device; housing including being equipped with input, output end; current detector, the voltage detector being connected with microcontroller are equipped in housing, microcontroller is sequentially connected with control relay circuit, relay, leakage indicator；Housing upper is equipped with equipment fault detection device, equipment fault detection device includes sample circuit, sample circuit is sequentially connected electrically with amplifying circuit, filter circuit, A/D conversion circuits, processor, processor is electrically connected with control analog drive circuit, and control analog drive circuit is electrically connected with sample circuit；The utility model can analyze energy saving power grid, be detected; when energy saving power grid breaks down; it being capable of automatic shutdown circuit; it and can monitoring voltage current detection protection device in real time; it avoids because the protective device wiring of energy saving power grid is broken down; measure voltage ＆ current protective device is caused to lose protective effect, energy saving power grid is caused to occur, to bursting, causing adverse consequences.
Description
Technical field
The utility model is related to power network monitoring technical fields, and in particular to a kind of energy saving power grid measure voltage ＆ current protection dress
It puts.
Background technology
The construction of energy saving power grid has become the development strategy of country, and energy saving power grid is the power transformation of various voltages in electric system
The entirety of electric line composition in one's power, is known as power network, it includes three power transformation, transmission of electricity, distribution units, the task of power network
It is conveying and distribution electric energy, changes voltage, also there is small-sized Domestic anti-theft power grid, the use of power grid is very universal, but if
Cannot there are one good network voltage electric current survey protective device, it is likely that may result in the paralysis of power grid, but the prior art
In protective device power grid cannot be analyzed, be detected, when slight overloads or short circuit and the failures such as under-voltage occurs in they
When, it is impossible to automatic shutdown circuit, it is impossible to realize overload, short circuit, it is under-voltage in the case of maintenance and its protection, short life, repair
Inconvenience, function are simple.
And the protective device of energy saving power grid cannot be monitored in the prior art, if the protective device of energy saving power grid
There is open circuit or short trouble in wiring, then protective device can be caused to lose protective effect, and energy saving power grid can be caused to occur, to bursting, making
Into undesirable consequence.
Utility model content
In order to overcome above-mentioned defect in the prior art, the utility model provides a kind of energy saving power grid voltage and current
Protective device is detected, energy saving power grid can be analyzed, detected, when the failures such as overload, short-circuit, under-voltage occurs in energy saving power grid
When, can automatic shutdown circuit, and can monitoring voltage current detection protection device in real time, avoid the guarantor because energy saving power grid
There is open circuit or short trouble in protection unit wiring, and measure voltage ＆ current protective device is caused to lose protective effect, causes electricity-saving
Running quickly, which occurs, in net bursts, and causes adverse consequences.
The utility model provides a kind of energy saving power grid measure voltage ＆ current protective device, and including housing, hull outside is set
There is input, output end, housing is interior to be connected to current detector, voltage detector, current detector, voltage with input terminal
Detector is connected with microcontroller, and microcontroller is connected with control relay circuit, and control relay circuit is electrically connected with relay,
Relay is electrically connected with leakage indicator, and leakage indicator is connected with microcontroller；The housing upper is detected equipped with equipment fault
Equipment, equipment fault detection device include the sample circuit being electrically connected with the input, output end, sample circuit and amplification electricity
Road, filter circuit, A/D conversion circuits, processor are electrically connected connection successively, and the processor is electrically connected with control analog drive circuit
It connects, control analog drive circuit is electrically connected with sample circuit.
The housing is externally provided with sensing device, sensing device and the in vivo monolithic mechatronics of shell, monolithic mechatronics without
Line communication module, wireless communication module electrical connection monitor terminal；The sensing device include temperature sensor, humidity sensor,
Current sensor, voltage sensor.
The microcontroller is electrically connected with warning device, and warning device includes light emitting diode, buzzer.
The outer end of the housing is equipped with display screen, and display screen is electrically connected with processor.
The both sides of the housing are equipped with radiating groove.
By adopting the above-described technical solution, compared with prior art, the utility model provides a kind of energy saving power grid electricity
Current voltage detects protective device, and energy saving power grid can be analyzed, detected, when overload, short-circuit, under-voltage etc. occurs in energy saving power grid
During failure, can automatic shutdown circuit, and can monitoring voltage current detection protection device in real time, avoid because energy saving power grid
Protective device wiring occur open circuit or short trouble, measure voltage ＆ current protective device is caused to lose protective effect, causes to save
Running quickly, which occurs, in energy power grid bursts, and causes adverse consequences.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the utility model circuit structure block diagram；
Reference numeral：
1st, housing 2, radiating groove 3, input terminal 4, output terminal 5, current detector
6th, voltage detector 7, microcontroller 8, control relay circuit 9, relay
10th, leakage indicator 11, equipment fault detection device 12, sample circuit 13, amplifying circuit
14th, filter circuit 15, A/D conversion circuits 16, processor 17, control analog drive circuit
18th, display screen 19, sensing device 20, wireless communication module 21, monitor terminal
22nd, warning device 23, camera 24, coded lock.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be noted that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As shown in Figure 1 and Figure 2, the utility model provides a kind of energy saving power grid measure voltage ＆ current protective device, including shell
Body 1, housing 1 are equipped with door, and door is equipped with coded lock 24, and personnel easy to repair carry out maintenance equipment, avoid losing key
It is worried；The both sides of the housing 1 are equipped with radiating groove 2, and radiating groove 2 is used for will be in energy saving power grid measure voltage ＆ current protective device
Hot gas distributes, and improves the service life of equipment；1 outside of housing is equipped with input terminal 3, output terminal 4, input terminal 3, output terminal 4
Energy saving power grid is accessed in the device, current detector 5, voltage detector 6, electric current are connected to input terminal in housing 1
Detector 5 is used to detecting the electric current of energy saving power grid, voltage detector 6 is used to detect the voltage of energy saving power grid, current detector 5,
Voltage detector 6 is connected with microcontroller 7, and microcontroller 7 is connected with control relay circuit 8, control relay circuit 8 and relay
Device 9 is electrically connected, and relay 9 is electrically connected with leakage indicator 10, and leakage indicator 10 is connected with microcontroller 7；Current detector 5,
The data measured are transferred to microcontroller 7 by voltage detector 6, are compared by microcontroller 7, when the data of electric current, voltage occur
When abnormal, microcontroller 7 transmits signal to control relay circuit 8, and control relay circuit 8 controls relay 9, and cut-out supplies
Electricity；When the signal of electric current, voltage does not occur abnormal, energy saving power grid normal work, when leakage indicator 10 detect it is energy saving
When there are drain conditions in the circuit of power grid, signal is fed back into microcontroller 7, relay control is transmitted signal to by microcontroller 7
Circuit 8 processed, control relay circuit 8 control relay 9, cut-out power supply；The use knot of current detector 5 and voltage detector 6
The use of earth leakage protective device 10 is closed, further improves the security of energy saving mains-power circuit.
1 top of housing is equipped with equipment fault detection device 11, and equipment fault detection device 11 includes and the input
The sample circuit 12 that end 3, output terminal 4 are electrically connected, sample circuit 12 and amplifying circuit 13, filter circuit 14, A/D conversion circuits
15th, processor 16 is electrically connected connection successively, and amplifying circuit 13 is used for what is exported according to energy saving power grid measure voltage ＆ current protective device
Size of current, sample circuit 12 circuit of itself etc. zoom in or out the electric signal of the output of sample circuit 12, subsequent to ensure
Circuit can work normally and without damage；Filter circuit 14 is used to filter out between extraneous interference and each device
Coupled interference prevents from various interference signals being transferred to processor 16, processor 16 is caused to do the judgement to make mistake, improves the event
Hinder the reliability of detection device 11, ensure the normal operation of energy saving power grid measure voltage ＆ current protective device circuit；A/D conversion electricity
Road 15 is used to the analog signal of previous circuit being converted to digital signal 16 identifying processing of device for processing；The processor 16 with
Control analog drive circuit 17 is electrically connected, and control analog drive circuit 17 is electrically connected with sample circuit 12.Equipment fault detection dress
11 are put, for detecting the wiring faults of energy saving power grid measure voltage ＆ current protective device, energy saving power grid measure voltage ＆ current protection
When device wiring is normal, 12 real-time sampling of sample circuit obtains the electric signal of energy saving power grid measure voltage ＆ current protective device, and
The electric signal gathered in real time is transmitted to by amplifying circuit 13, filter circuit 14, A/D conversion circuits 15 in processor 16, such as
There are wiring faults in the energy saving power grid measure voltage ＆ current protective device of fruit, and either broken string or short circuit, sample circuit 12 gathers
To signal value be far smaller than normal value, i.e., preset value.At this point, processor 16 is judged as energy saving power grid voltage and current inspection
It surveys protective device and wiring faults occurs, so as to transmit a signal to control analog drive circuit 17, control analog drive circuit
The electric signal that 17 outputs are exported with energy saving power grid measure voltage ＆ current protective device is with the analog signal of frequency, and the analog signal is by adopting
Input processor 16 after sample circuit 12 gathers, processor 16 can judge energy saving power grid measure voltage ＆ current protection dress accordingly
It is disconnection fault or short trouble to put wiring, so as to find the wiring of energy saving power grid measure voltage ＆ current protective device in time
Failure avoids result in the adverse consequences for losing protective effect, and can accurately determine fault type in order to repair；It is described
The outer end of housing 1 is equipped with display screen 18, and display screen 18 is electrically connected with processor 16, the letter of network voltage current detection protection device
Breath can be transferred to by processor 16 on display screen 18, personnel's viewing easy to repair, very convenient.
The housing 1 is externally provided with sensing device 19, and sensing device 19 is electrically connected with the microcontroller 7 in housing 1, microcontroller 7
Wireless communication module 20 is electrically connected, wireless communication module 20 is electrically connected monitor terminal 21；The sensing device 19 is passed including temperature
Sensor, humidity sensor, current sensor, voltage sensor.
Sensing device 19 is by perceiving the temperature around housing 1, the size of humidity, while to the electric current of energy saving mains-power circuit
It is monitored in real time with voltage, sensing device 19 transfers data to microcontroller 7, if data are abnormal, microcontroller 7 will be detected and tied
Fruit is transferred to by wireless communication module 20 on monitor terminal 21, and monitor terminal 21 can be mobile phone, computer etc., convenient for user into
Row is timely handled.Sensing device 19 and being used cooperatively for monitor terminal 21 realize intelligent management, remote monitoring, effective to protect
The safety of energy saving power grid is protected.
The microcontroller 7 is also electrically connected warning device 22, camera 23；Wherein, warning device 22 include light emitting diode,
Buzzer.When electric current, the voltage of equipment occur abnormal, after relay 9 powers off, microcontroller 7 sends a signal to alarm dress
22 are put, warning device 22 sends alarm signal, and personnel easy to repair have found in time, on-call maintenance；The setting of camera 23 can be with
Energy saving power grid measure voltage ＆ current protective device is monitored in real time, can find which equipment is asked in time convenient for monitoring personnel
Topic, avoids resulting in greater loss.
The operation principle of the utility model：It is by the input terminal 3 in 1 outside of housing, output terminal 4 that the access of energy saving power grid is energy saving
In network voltage current detection protection device, current detector 5, voltage detector 6 be respectively used to detect the electric current of energy saving power grid,
The data measured are transferred to microcontroller 7, are compared by microcontroller 7, work as electricity by voltage, current detector 5, voltage detector 6
When stream, the data of voltage occur abnormal, microcontroller 7 transmits signal to control relay circuit 8, and control relay circuit 8 is controlled
Relay 9 processed, cut-out power supply；When the signal of electric current, voltage does not occur abnormal, energy saving power grid normal work, when electric leakage is examined
It surveys device 10 to detect when there are drain conditions in the circuit of energy saving power grid, signal is fed back into microcontroller 7, will be believed by microcontroller 7
Control relay circuit 8 number is conveyed to, control relay circuit 8 controls relay 9, cut-out power supply；Current detector 5 and voltage
The use of the use combination leakage indicator 10 of detector 6 further improves the security of energy saving mains-power circuit；Equipment fault
Detection device 11 is in real time monitored energy saving power grid measure voltage ＆ current protective device, and 12 real-time sampling of sample circuit obtains section
The electric signal of energy network voltage current detection protection device, and by the electric signal gathered in real time by amplifying circuit 13, filtered electrical
Road 14, A/D conversion circuits 15 are transmitted in processor 16, if wiring event occurs in energy saving power grid measure voltage ＆ current protective device
Barrier, either broken string or short circuit, the signal value collected is far smaller than normal value by sample circuit 12, i.e., in advance in processor
The value of interior setting, at this point, processor 16, which is judged as energy saving power grid measure voltage ＆ current protective device, failure occurs, so as to believe
Control analog drive circuit 17 number is transferred to, the output of control analog drive circuit 17 is filled with the protection of energy saving power grid measure voltage ＆ current
Analog signal of the electric signal with frequency of output is put, input processor 16, processor after which is gathered by sample circuit 12
16 can judge that energy saving power grid measure voltage ＆ current protective device wiring is disconnection fault or short trouble accordingly, so as to
Find the wiring faults of energy saving power grid measure voltage ＆ current protective device in time, avoid result in lose protective effect it is bad after
Fruit, and fault type can be accurately determined in order to repair；The outer end of the housing 1 is equipped with display screen 18, display screen 18
It is electrically connected with processor 16, the information of network voltage current detection protection device can be transferred to display screen by processor 16
On 18, personnel's viewing easy to repair is very convenient；Camera 23, sensing device 19, wireless telecommunications are also provided in this practicality
Module 20, in real time to the humidity of energy saving power grid measure voltage ＆ current protective device, temperature and energy saving power grid measure voltage ＆ current
The situation on protective device periphery is monitored, and the electric current, voltage also to energy saving mains-power circuit are monitored, and further improve equipment
Security, the utility model is also provided with warning device 22, and when energy saving mains-power circuit breaks down, warning device 22 is sent
Alarm signal.
In conclusion by adopting the above-described technical solution, compared with prior art, the utility model provides a kind of section
Can network voltage current detection protection device, energy saving power grid can be analyzed, be detected, when energy saving power grid occur overload, it is short
It is road, under-voltage when failures, can automatic shutdown circuit, and can monitoring voltage current detection protection device in real time, avoid because
There is open circuit or short trouble for the protective device wiring of energy saving power grid, measure voltage ＆ current protective device is caused to lose protection and is made
With energy saving power grid is caused to occur running quickly and burst, causes adverse consequences.Electric current, the voltage of energy saving mains-power circuit can also be monitored in real time, with
And temperature and humidity parameter on the outside of energy saving power grid measure voltage ＆ current protective device.
The preferred embodiment of the utility model is described in detail above in association with attached drawing, still, the utility model is not limited to
The detail in embodiment is stated, it, can be to the technical side of the utility model in the range of the technology design of the utility model
Case carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is various
Possible combination no longer separately illustrates.
Claims (5)
1. a kind of energy saving power grid measure voltage ＆ current protective device, including housing (1), be equipped on the outside of housing (1) input terminal (3),
Output terminal (4), which is characterized in that be connected to current detector (5), voltage detector with input terminal (3) in housing (1)
(6), current detector (5), voltage detector (6) are connected with microcontroller (7), microcontroller (7) and control relay circuit (8)
Connection, control relay circuit (8) are electrically connected with relay (9), and relay (9) is electrically connected with leakage indicator (10), electric leakage
Detector (10) is connected with microcontroller (7)；Housing (1) top is equipped with equipment fault detection device (11), equipment fault inspection
Measurement equipment (11) includes the sample circuit (12) being electrically connected with the input terminal (3), output terminal (4), and sample circuit (12) is with putting
Big circuit (13), filter circuit (14), A/D conversion circuits (15), processor (16) are sequentially connected electrically, the processor (16) with
Analog drive circuit (17) is controlled to be electrically connected, control analog drive circuit (17) is electrically connected with sample circuit (12).
A kind of 2. energy saving power grid measure voltage ＆ current protective device according to claim 1, which is characterized in that the housing
(1) sensing device (19) is externally provided with, sensing device (19) is electrically connected with the microcontroller (7) in housing (1), and microcontroller (7) is electrically connected
Connect wireless communication module (20), wireless communication module (20) electrical connection monitor terminal (21)；The sensing device (19) includes temperature
Spend sensor, humidity sensor, current sensor, voltage sensor.
A kind of 3. energy saving power grid measure voltage ＆ current protective device according to claim 1, which is characterized in that the microcontroller
(7) it is electrically connected with warning device (22), warning device (22) includes light emitting diode, buzzer.
A kind of 4. energy saving power grid measure voltage ＆ current protective device according to claim 1, which is characterized in that the housing
(1) outer end is equipped with display screen (18), and display screen (18) is electrically connected with processor (16).
5. according to any a kind of energy saving power grid measure voltage ＆ current protective device in Claims 1-4, which is characterized in that
The both sides of the housing (1) are equipped with radiating groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412025.8U CN207410005U (en) | 2017-10-27 | 2017-10-27 | A kind of energy saving power grid measure voltage ＆ current protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721412025.8U CN207410005U (en) | 2017-10-27 | 2017-10-27 | A kind of energy saving power grid measure voltage ＆ current protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207410005U true CN207410005U (en) | 2018-05-25 |
Family
ID=62408199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721412025.8U Expired - Fee Related CN207410005U (en) | 2017-10-27 | 2017-10-27 | A kind of energy saving power grid measure voltage ＆ current protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207410005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933892A (en) * | 2018-09-19 | 2020-03-27 | 漳浦比速光电科技有限公司 | Photoelectric circuit protection circuit breaking device and use method thereof |
-
2017
- 2017-10-27 CN CN201721412025.8U patent/CN207410005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933892A (en) * | 2018-09-19 | 2020-03-27 | 漳浦比速光电科技有限公司 | Photoelectric circuit protection circuit breaking device and use method thereof |
| CN110933892B (en) * | 2018-09-19 | 2020-11-24 | 漳浦比速光电科技有限公司 | Photoelectric circuit protection circuit breaking device and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20211027 |