CN204374397U - The testing circuit of a kind of signal lamp or street lamp parameter - Google Patents
The testing circuit of a kind of signal lamp or street lamp parameter Download PDFInfo
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- CN204374397U CN204374397U CN201520015727.7U CN201520015727U CN204374397U CN 204374397 U CN204374397 U CN 204374397U CN 201520015727 U CN201520015727 U CN 201520015727U CN 204374397 U CN204374397 U CN 204374397U
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Abstract
The utility model discloses the testing circuit of a kind of signal lamp or street lamp parameter, it relates to technical field of control over intelligent traffic.It comprises current sampling circuit, voltage sampling circuit and data processing unit, current sampling circuit, voltage sampling circuit all connects data processing unit, the negative pole end of signal lamp connects the 3rd resistance-seven resistance successively and extremely holds, 7th resistance also connects the 3rd electric capacity, node between 7th resistance and the 3rd electric capacity connects 4 pin of computation chip, the positive terminal of signal lamp connects the first resistance successively, first electric capacity extremely is held, the positive terminal of signal lamp also connects the 8th resistance successively, second resistance, second electric capacity extremely is held, node between first resistance and the first electric capacity, node between second resistance and the second electric capacity connects 2 pin of computation chip respectively, 3 pin.The utility model can the work of Measurement accuracy signal lamp time various parameters, reduce monitoring cost, reduce artificial dependence, improve the accuracy of acquisition of information.
Description
Technical field
The utility model relates to technical field of control over intelligent traffic, be specifically related to the testing circuit of a kind of signal lamp or street lamp parameter.
Background technology
At present, the detection of signal lamp and safeguarding mainly is patrolled and examined by the signal lamp of each maintenance unit to crossing or masses' phone feedback signal lamp failure information, this classic method obtaining belisha beacon or lamp condition by manually determining region inspection, large especially to artificial dependence, cost is high, acquisition belisha beacon failure message there is larger delay and information is too disperseed inaccurate, easily there is potential safety hazard, based on this, design the testing circuit of a kind of signal lamp or street lamp parameter or necessary.
Summary of the invention
For the deficiency that prior art exists, the utility model object is the testing circuit being to provide a kind of signal lamp or street lamp parameter, reasonable in design, can Measurement accuracy signal lamp or street lamp work time the parameter such as electric current, voltage, power factor (PF), greatly reduce monitoring cost, decrease artificial dependence, significantly improve the accuracy of acquisition of information.
To achieve these goals, the utility model realizes by the following technical solutions: the testing circuit of a kind of signal lamp or street lamp parameter, comprise data sampling circuit and data processing unit, data sampling circuit is by current sampling circuit, voltage sampling circuit forms, current sampling circuit, voltage sampling circuit all connects data processing unit, current sampling circuit comprises the first resistance, second resistance, first electric capacity, second electric capacity, signal lamp and the 8th resistance, 8th resistance is sampling resistor, data processing unit comprises computation chip, the positive terminal of signal lamp connects the first resistance successively, first electric capacity extremely is held, the positive terminal of signal lamp also connects the 8th resistance successively, second resistance, second electric capacity extremely is held, node ground connection between 8th resistance and the second resistance, node between first resistance and the first electric capacity connects 2 pin of computation chip, node between second resistance and the second electric capacity connects 3 pin of computation chip, 1 pin of computation chip connects the 4th electric capacity and extremely holds, computation chip adopts computation chip HLW8012.
As preferably, described voltage sampling circuit comprises the 3rd resistance-seven resistance, the 3rd electric capacity, the negative pole end of one termination signal lamp of the 3rd resistance, the other end of the 3rd resistance connects the 4th resistance successively, the 5th resistance, the 6th resistance, the 7th resistance extremely are held, 3rd resistance-six resistance is four equivalent divider resistances, dispersible the power of each resistance, the 7th resistance two ends are also connected to the 3rd electric capacity, and the node between the 7th resistance and the 3rd electric capacity connects 4 pin of computation chip.
As preferably, the power source reference point of described computation chip is set to 220VAC civil power, and computation chip can be replaced the electric energy computation chip with identical functions.
The beneficial effects of the utility model: the data directly being obtained current demand signal lamp by the sampling of computation chip to LED lamp panel electric current and voltage, by directly can obtain the duty of belisha beacon or street lamp to the integration of data, instead of the method that conventional macroscopic observes inspection, the parameter monitoring data of outdoor signage or street lamp are quantized, the accuracy of raising information and promptness, greatly reduce monitoring cost, decrease artificial dependence.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is circuit diagram of the present utility model;
Fig. 2 is the circuit diagram of the utility model current sampling circuit;
Fig. 3 is the circuit diagram of the utility model voltage sampling circuit.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
With reference to Fig. 1-3, this embodiment by the following technical solutions: the testing circuit of a kind of signal lamp or street lamp parameter, comprise data sampling circuit and data processing unit, data sampling circuit is by current sampling circuit, voltage sampling circuit forms, current sampling circuit, voltage sampling circuit all connects data processing unit, and current sampling circuit comprises the first resistance R1, second resistance R2, first electric capacity C1, second electric capacity C2, signal lamp D1 and the 8th resistance R8, voltage sampling circuit comprises the 3rd resistance R3-the 7th resistance R7, 3rd electric capacity C3, data processing unit comprises computation chip U1, and the negative pole end of signal lamp D1 meets the 3rd resistance R3 successively, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7 extremely holds, and the 7th resistance R7 two ends are also connected to the 3rd electric capacity C3, and the node between the 7th resistance R7 and the 3rd electric capacity C3 connects 4 pin of computation chip U1, and the positive terminal of signal lamp D1 meets the first resistance R1 successively, first electric capacity C1 extremely holds, and the positive terminal of signal lamp D1 also meets the 8th resistance R8 successively, second resistance R2, second electric capacity C2 extremely holds, node ground connection between 8th resistance R8 and the second resistance R2, node between first resistance R1 and the first electric capacity C1 connects 2 pin of computation chip U1, node between second resistance R2 and the second electric capacity C2 connects 3 pin of computation chip U1, and 1 pin of computation chip U1 meets the 4th electric capacity C4 and extremely holds.
It should be noted that, described computation chip U1 adopts computation chip HLW8012, the power source reference point of computation chip U1 is set to 220VAC civil power, 2,3,4 pins of computation chip U1 are the input end of sampled signal, 6,7,8 pins of computation chip U1 are the encoding and decoding that data output passes through to delivery outlet signal, readable signal lamp or the data such as street lamp current effective value, electricity pressure effective value ﹑ line frequency, computation chip U1 is adopted to measure parameter, can measuring-signal lamp or street lamp overcurrent, open circuit, and signal lamp current anomaly.
This embodiment simplifies the peripheral cell of testing circuit, current detection accuracy can reach mA rank, the data that means in conjunction with data communication conveniently can collect each detection node carry out integrating, analyzing, testing circuit comprises data sampling circuit and data processing unit, described data sampling circuit is made up of current sampling circuit, voltage sampling circuit, power computing section, is responsible for the sampling of the operational factor to signal lamp or street lamp; Data processing unit is then primarily of the inner integrated process of computation chip U1, and sampled data can accurately obtain active power, active energy after treatment, and can provide active power and current effective value, voltage effective value, line frequency data.
This embodiment the 8th resistance R8 is sampling resistor, as Fig. 1, electric current can produce pressure drop through the 8th resistance R8 resistance two ends, by the 8th resistance R8 both end voltage signal after the circuit filtering be made up of the first resistance R1, the first electric capacity C1, the second resistance R2, the second electric capacity C2, through amplifier, signal is amplified to computation chip U1, the built-in counting circuit of computation chip U1; The 3rd resistance R3 in voltage sampling circuit, the 4th resistance R4, the 5th resistance R5, the 7th resistance R6 are divider resistance, resistance sum is 1800K, the power of each resistance can be disperseed by four substitutional resistances, avoid use resistance to cause the excessive heating burnout of resistor power, voltage signal is sent into after the circuit filtering that the 7th resistance R7 and the 3rd electric capacity C3 forms computation chip U1 and detect acquisition data.
This embodiment first proposition electric energy computation chip carrys out the scheme of detection signal lamp or street lamp parameter, can the parameter such as electric current, voltage, power factor (PF), active power of detection signal lamp or street lamp, the data of direct acquisition current demand signal lamp, reduce monitoring cost, reduce artificial dependence, the accuracy of raising information and promptness, have market application foreground widely.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the testing circuit of a signal lamp or street lamp parameter, it is characterized in that, comprise data sampling circuit and data processing unit, data sampling circuit is by current sampling circuit, voltage sampling circuit forms, current sampling circuit, voltage sampling circuit all connects data processing unit, current sampling circuit comprises the first resistance (R1), second resistance (R2), first electric capacity (C1), second electric capacity (C2), signal lamp (D1) and the 8th resistance (R8), voltage sampling circuit comprises the 3rd resistance (R3)-seven resistance (R7), 3rd electric capacity (C3), data processing unit comprises computation chip (U1), the negative pole end of signal lamp (D1) connects the 3rd resistance (R3) successively, 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), 7th resistance (R7) extremely is held, 7th resistance (R7) two ends are also connected to the 3rd electric capacity (C3), node between 7th resistance (R7) and the 3rd electric capacity (C3) connects 4 pin of computation chip (U1), the positive terminal of signal lamp (D1) connects the first resistance (R1) successively, first electric capacity (C1) extremely is held, the positive terminal of signal lamp (D1) also connects the 8th resistance (R8) successively, second resistance (R2), second electric capacity (C2) extremely is held, node ground connection between 8th resistance (R8) and the second resistance (R2), node between first resistance (R1) and the first electric capacity (C1) connects 2 pin of computation chip (U1), node between second resistance (R2) and the second electric capacity (C2) connects 3 pin of computation chip (U1), 1 pin of computation chip (U1) connects the 4th electric capacity (C4) and extremely holds.
2. the testing circuit of a kind of signal lamp according to claim 1 or street lamp parameter, is characterized in that, described computation chip (U1) adopts computation chip HLW8012.
3. the testing circuit of a kind of signal lamp according to claim 1 or street lamp parameter, it is characterized in that, the 8th described resistance (R8) is sampling resistor, and the 3rd resistance (R3)-six resistance (R6) is four equivalent divider resistances.
4. the testing circuit of a kind of signal lamp according to claim 1 or street lamp parameter, is characterized in that, the power source reference point of described computation chip (U1) is set to 220VAC civil power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015727.7U CN204374397U (en) | 2015-01-12 | 2015-01-12 | The testing circuit of a kind of signal lamp or street lamp parameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015727.7U CN204374397U (en) | 2015-01-12 | 2015-01-12 | The testing circuit of a kind of signal lamp or street lamp parameter |
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| CN204374397U true CN204374397U (en) | 2015-06-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597414A (en) * | 2015-01-12 | 2015-05-06 | 擎翌(上海)智能科技有限公司 | Signal lamp or street lamp parameter detection electric method |
| CN106604504A (en) * | 2016-12-16 | 2017-04-26 | 成都连运网络科技有限公司 | Intelligent lamp box management system |
-
2015
- 2015-01-12 CN CN201520015727.7U patent/CN204374397U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597414A (en) * | 2015-01-12 | 2015-05-06 | 擎翌(上海)智能科技有限公司 | Signal lamp or street lamp parameter detection electric method |
| CN106604504A (en) * | 2016-12-16 | 2017-04-26 | 成都连运网络科技有限公司 | Intelligent lamp box management system |
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