CN204989305U - DC signal monitor - Google Patents

DC signal monitor Download PDF

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Publication number
CN204989305U
CN204989305U CN201520604294.9U CN201520604294U CN204989305U CN 204989305 U CN204989305 U CN 204989305U CN 201520604294 U CN201520604294 U CN 201520604294U CN 204989305 U CN204989305 U CN 204989305U
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CN
China
Prior art keywords
circuit
signal
analog
monitor
current signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520604294.9U
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Chinese (zh)
Inventor
王尊正
王小琪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by State Grid Corp of China SGCC, Changzhi Power Supply Co of State Grid Shanxi Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520604294.9U priority Critical patent/CN204989305U/en
Application granted granted Critical
Publication of CN204989305U publication Critical patent/CN204989305U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a DC signal monitor, the problem of the technique is solved for: the utility model provides a can acquire the current signal in the circuit to a DC signal monitor who gets off information recorded such as time of current signal, amplitude, the technical scheme who adopts does: include: current sensor, analog signal modulate circuit, analog to digital conversion circuit, data signal treatment circuit, man -machine interaction module, storage module and power module, the intelligent power grid dispatching data remote on -line diagnosis analyzing device is suitable for the power system.

Description

A kind of direct current signal monitor
Technical field
The utility model belongs to the technical field of electric quantity signal monitoring, is specifically related to a kind of direct current signal monitor.
Background technology
At present; in electric system; in the work of electric power overhaul and daily servicing; frequent discovery isolating switch has the fault of doubtful jump to occur; jump refers to the tripping operation of isolating switch when not operating, when not having relay protection and automatic safety device action; therefore, in the course of work of malfunction elimination, need the DC pulse drive singal that a kind of equipment comes in on-line monitoring record circuit.
Utility model content
The utility model overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of current signal that can obtain in circuit, and by direct current signal monitor that the information such as the time of current signal, amplitude are recorded.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of direct current signal monitor, comprising: current sensor: for obtaining the current signal in circuit; Analog signal conditioner circuit: be connected with described current sensor, for receiving, processing the current signal that described current sensor gets; Analog to digital conversion circuit: be connected with described analog signal conditioner circuit, for converting corresponding digital signal to by described current signal; Digital signal processing circuit: be connected with analog-digital conversion circuit as described, for receiving, processing the digital signal that analog-digital conversion circuit as described transmission comes, and exports the digital signal after process; Human-computer interaction module: be connected with described digital signal processing circuit, for display, checks current information; Memory module: be connected with described digital signal processing circuit, for the information such as time, amplitude of record current signal; Power module: be connected with described current sensor, analog signal conditioner circuit, analog to digital conversion circuit, digital signal processing circuit, human-computer interaction module and memory module respectively, for powering to whole monitor.
Preferably, described monitor also comprises real time clock circuit: be connected with described digital signal processing circuit and described power module respectively, for providing stable time reference information for described digital signal processing circuit.
Preferably, described monitor also comprises Clock battery: be connected with described real time clock circuit, for when described power module is stopped power supply, for described real time clock circuit provides standby power supply.
Preferably, described memory module comprises: built-in storage unit: for the daily record of work of record current signal; Extension storage unit: for the work wave of record current signal.
Preferably, described power module comprises: externally fed unit: for providing outside power of alterating and direct current for whole monitor; Built in battery cell: for when described externally fed unit is stopped power supply, for whole monitor provides standby power supply.
Preferably, described current sensor is pincerlike current sensor.
The utility model compared with prior art has following beneficial effect:
A kind of direct current signal monitor in the utility model, mainly comprise current sensor, analog signal conditioner circuit, analog to digital conversion circuit, digital signal processing circuit, human-computer interaction module and memory module, current sensor passes to analog signal conditioner circuit after obtaining the current signal in circuit, analog signal conditioner circuit processes the current signal received, analog to digital conversion circuit digital signal corresponding to the current signal after process converts to, digital signal processing circuit processes this digital signal after receiving the next digital signal of analog to digital conversion circuit transmission, then the digital signal after process is shown by human-computer interaction module, check, simultaneously, by the time of current signal, the information records such as amplitude in a storage module, monitor in the utility model can DC pulse signal in Monitoring Line, can on-line continuous work, obtains the current signal in circuit, and the information such as the time of current signal, amplitude is recorded, facilitate inquiry and analysis.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the structural representation of the utility model one embodiment;
In figure: 101 is current sensor, 102 is analog signal conditioner circuit, and 103 is analog to digital conversion circuit, 104 is digital signal processing circuit, 105 is human-computer interaction module, and 106 is memory module, and 107 is power module, 201 is real time clock circuit, 301 is Clock battery, and 1061 is built-in storage unit, and 1062 is extension storage unit, 1071 is externally fed unit, and 1072 is built in battery cell.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments; Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of the utility model one embodiment, and as shown in Figure 1, a kind of direct current signal monitor, comprising:
Current sensor 101: for obtaining the current signal in circuit;
Further, described current sensor 101 can be pincerlike current sensor, the convenient current signal obtained in non-invasive mode when system is charged in circuit.
Analog signal conditioner circuit 102: its input end is connected with the output terminal of described current sensor 101, for receiving, processing the current signal that described current sensor 101 gets.
Analog to digital conversion circuit 103: its input end is connected with the output terminal of described analog signal conditioner circuit 102, for converting corresponding digital signal to by described current signal.
Digital signal processing circuit 104: its first input end is connected with the output terminal of analog-digital conversion circuit as described 103, for receiving, processing the digital signal that analog-digital conversion circuit as described 103 transmission is come, and exports the digital signal after process.
Human-computer interaction module 105: its communication terminal is connected with the first communication terminal of described digital signal processing circuit 104, for display, checks current information.
Memory module 106: its communication terminal is connected with the second communication terminal of described digital signal processing circuit 104, for the information such as time, amplitude of record current signal;
Further, described memory module 106 can comprise built-in storage unit 1061 and extension storage unit 1062, described built-in storage unit 1061 is for the daily record of work of record current signal, and described extension storage unit 1062 is for the work wave of record current signal; Record memory function in the present embodiment divides daily record and waveform two parts to work simultaneously, achieves the multi-selection checked of the dual fail-safe of signal record and daily record, waveform, is convenient to the analysis to signal properties.
Power module 107: be connected, for powering to whole monitor with the power end of the power end of the power end of the power end of described current sensor 101, analog signal conditioner circuit 102, analog to digital conversion circuit 103, the power end of digital signal processing circuit 104, the power end of human-computer interaction module 105 and memory module 106 respectively;
Further, described power module 107 can comprise externally fed unit 1071 and built in battery cell 1072, described externally fed unit 1071 is for providing outside power of alterating and direct current for whole monitor, described built in battery cell 1072 for when described externally fed unit 1071 is stopped power supply, for whole monitor provides standby power supply.
Further, described monitor also can comprise real time clock circuit 201, described real time clock circuit 201 is for providing stable time reference information for described digital signal processing circuit 104, its output terminal is connected with the second input end of described digital signal processing circuit 104, and its power end is connected with described power module 107.
Further, described monitor also can comprise Clock battery 301, the output terminal of described Clock battery 301 is connected with the power end of described real time clock circuit 201, for when described power module 107 is stopped power supply, for described real time clock circuit 201 provides standby power supply.
During use, by the jaw needing the circuit of monitoring through the pincerlike current sensor of this kind of direct current signal monitor, outside supplied by AC/DC electricity or internal battery is adopted to power as required, a kind of direct current signal monitor just can current levels in circuit, and can the log information of recording impulse drive singal automatically, the shape information of signal is stored in jumbo extension storage card, the information such as time, amplitude of the pulse signal recorded can be checked by button operation easily, there is substantive distinguishing features and progress.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (6)

1. a direct current signal monitor, is characterized in that: comprising:
Current sensor (101): for obtaining the current signal in circuit;
Analog signal conditioner circuit (102): be connected with described current sensor (101), for receiving, processing the current signal that described current sensor (101) gets;
Analog to digital conversion circuit (103): be connected with described analog signal conditioner circuit (102), for converting corresponding digital signal to by described current signal;
Digital signal processing circuit (104): be connected with analog-digital conversion circuit as described (103), for receiving, processing the digital signal that analog-digital conversion circuit as described (103) transmission is come, and exports the digital signal after process;
Human-computer interaction module (105): be connected with described digital signal processing circuit (104), for display, checks current information;
Memory module (106): be connected with described digital signal processing circuit (104), for the information such as time, amplitude of record current signal;
Power module (107): be connected with described current sensor (101), analog signal conditioner circuit (102), analog to digital conversion circuit (103), digital signal processing circuit (104), human-computer interaction module (105) and memory module (106) respectively, for powering to whole monitor.
2. a kind of direct current signal monitor according to claim 1, it is characterized in that: described monitor also comprises real time clock circuit (201): be connected with described digital signal processing circuit (104) and described power module (107) respectively, for providing stable time reference information for described digital signal processing circuit (104).
3. a kind of direct current signal monitor according to claim 2, it is characterized in that: described monitor also comprises Clock battery (301): be connected with described real time clock circuit (201), for when described power module (107) is stopped power supply, for described real time clock circuit (201) provides standby power supply.
4. a kind of direct current signal monitor according to claim 1, is characterized in that: described memory module (106) comprising:
Built-in storage unit (1061): for the daily record of work of record current signal;
Extension storage unit (1062): for the work wave of record current signal.
5. a kind of direct current signal monitor according to claim 1, is characterized in that: described power module (107) comprising:
Externally fed unit (1071): for providing outside power of alterating and direct current for whole monitor;
Built in battery cell (1072): for when described externally fed unit (1071) is stopped power supply, for whole monitor provides standby power supply.
6. a kind of direct current signal monitor according to claim 1, is characterized in that: described current sensor (101) is pincerlike current sensor.
CN201520604294.9U 2015-08-12 2015-08-12 DC signal monitor Expired - Fee Related CN204989305U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520604294.9U CN204989305U (en) 2015-08-12 2015-08-12 DC signal monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520604294.9U CN204989305U (en) 2015-08-12 2015-08-12 DC signal monitor

Publications (1)

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CN204989305U true CN204989305U (en) 2016-01-20

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CN201520604294.9U Expired - Fee Related CN204989305U (en) 2015-08-12 2015-08-12 DC signal monitor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092952A (en) * 2015-08-12 2015-11-25 国家电网公司 DC signal monitor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092952A (en) * 2015-08-12 2015-11-25 国家电网公司 DC signal monitor

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160120

Termination date: 20210812

CF01 Termination of patent right due to non-payment of annual fee