CN202793426U - Signal acquisition processing circuit, sensor and signal acquisition processing system - Google Patents
Signal acquisition processing circuit, sensor and signal acquisition processing system Download PDFInfo
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- CN202793426U CN202793426U CN201220439312.9U CN201220439312U CN202793426U CN 202793426 U CN202793426 U CN 202793426U CN 201220439312 U CN201220439312 U CN 201220439312U CN 202793426 U CN202793426 U CN 202793426U
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Abstract
An embodiment of the utility model discloses a signal acquisition processing circuit, a sensor and a signal acquisition processing system. The signal acquisition processing circuit comprises a first signal conditioning circuit and a second signal conditioning circuit, and the first and the second conditioning circuits are mutually redundant. The redundant signal conditioning circuits are arranged in the signal acquisition processing circuit, when one signal conditioning circuit breaks down, the other signal conditioning circuit executes a signal conditioning action, thereby the technical problem of high device rejection rates caused by signal conditioning circuit fault in prior art is solved, a zero setting circuit is arranged on a reference power supply by a filtering unit, the zero setting circuit can adjust output voltage of the filtering unit through an adjustable resistor, and thereby output zero points of each signal conditioning circuit of the signal acquisition processing system with application of the signal conditioning circuits are consistent.
Description
Technical field
The utility model relates to the detection technique field, more particularly, relates to signal acquisition processing circuit, sensor and signal acquiring processing system.
Background technology
Signal conditioning circuit is that the faint measured signal of sensor sensing parts collection is processed, and such as amplification, conversion, filtering etc., the initial output signal of sensor is nursed one's health into the signal that the measured circuit of energy utilizes the most at last.
Take twin coil terminal voltage signal modulate circuit as example, input end possesses the difference two coil configuration before this signal conditioning circuit, and described signal conditioning circuit out carries out signal condition with the voltage signal acquisition at difference coil two ends.Resistance R 1 among Fig. 1 and resistance R 2 are as divider resistance, connect with inductance L 2 with inductance L 1 respectively, frequency is that f, peak-to-peak value are that the sine wave of Vp-p is inputted as pumping signal, because inductance L 1 changes with the inductance value induction external physical quantity of inductance L 2, resulting impedance Z1 and Z2 change with the inductance value of inductance L 1 with inductance L 2.
There is following shortcoming at least in existing signal conditioning circuit: this circuit is provided with the output of one road signal conditioning circuit, when this road signal condition signal breaks down, the device that is provided with this signal conditioning circuit is expended integral body, so there is the high technical matters of device scrappage.
The utility model content
In view of this, the utility model provides a kind of signal acquisition processing circuit, sensor and signal acquiring processing system, exports the poor technique effect of consistance at zero point to realize the reducing plant failure scrappage and to overcome.
A kind of signal acquisition processing circuit comprises: redundant first signal modulate circuit and secondary signal modulate circuit each other.
In order to improve such scheme: described first signal modulate circuit and secondary signal modulate circuit include: differential amplifier circuit and filter unit;
The input end of the differential amplifier circuit of described first signal modulate circuit is connected the input end of differential amplifier circuit and all is connected with coil output with the secondary signal modulate circuit;
The differential amplifier circuit output terminal of described first signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit;
In order to improve such scheme: described first signal modulate circuit and secondary signal modulate circuit include: differential amplifier circuit and filter unit;
The input end of the differential amplifier circuit of described first signal modulate circuit is connected with coil output;
The input end of the differential amplifier circuit of described secondary signal modulate circuit is connected with coil output through resistance;
The differential amplifier circuit output terminal of described first signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit;
The differential amplifier circuit output terminal of described secondary signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit.
A kind of sensor comprises: described signal acquisition processing circuit.
A kind of signal acquiring processing system comprises the sensor.
Can find out from above-mentioned technical scheme, the redundant signals modulate circuit that signal acquisition processing circuit arranges among the utility model embodiment, one road signal conditioning circuit breaks down therein, another road is with executive signal conditioning action, thereby overcome the high technical matters of device scrappage that the signal conditioning circuit fault causes in the prior art, the output terminal of differential amplifier circuit connects respectively corresponding signal conditioning circuit and is connected road signal conditioning circuit connection, namely two differential amplifier circuits are exported in the difference input filter unit, realize double signals collecting, improved the sensitivity of circuit output.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed existing signal conditioning circuit structural representation of the utility model embodiment;
Fig. 2 is the disclosed a kind of signal acquisition processing circuit structural representation of the utility model embodiment;
Fig. 3 is the disclosed a kind of signal acquisition processing circuit structural representation of the another embodiment of the utility model;
Fig. 4 is signal conditioning circuit structural representation in the disclosed a kind of signal acquisition processing circuit of the utility model embodiment;
Fig. 5 is signal conditioning circuit structural representation in the disclosed a kind of signal acquisition processing circuit of the another embodiment of the utility model;
Fig. 6 is the disclosed a kind of sensor construction synoptic diagram of the utility model embodiment;
Fig. 7 is the disclosed a kind of signal acquiring processing system structural representation of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of signal acquisition processing circuit, sensor and system, to realize reducing the technique effect of plant failure scrappage and the raising of output consistance at zero point.
Need to prove that the embodiment in this instructions is input as structure and the mechanism explanation that example is carried out signal acquisition processing circuit with the twin coil terminal voltage, does not certainly limit to the imported signal acquisition processing circuit of this kind.
Fig. 2 shows a kind of signal acquisition processing circuit, comprise: redundant first signal modulate circuit 1 and secondary signal modulate circuit 2 each other, wherein, the input end of the input end of first signal modulate circuit and secondary signal modulate circuit is connected in coil output respectively.
In another kind of embodiment, as shown in Figure 3, the input end of first signal modulate circuit is connected to coil output, and the input end of secondary signal modulate circuit is connected in coil output through resistance respectively.
In above-mentioned two kinds of embodiment, redundant two paths of signals modulate circuit when one road signal conditioning circuit breaks down, still can normally be exported each other, thereby has increased the reliability of this equipment.
The way of realization of the signal acquisition processing circuit structure shown in Fig. 3 is: first signal modulate circuit input end is connected with coil output, secondary signal modulate circuit input end is connected with coil output through resistance, it is different that such type of attachment realizes that first signal modulate circuit and component parameters in the secondary signal modulate circuit dispose, thereby prevent in the manufacturing one road differential amplifier circuit from fault in production occurring and cause the generation of the situation of scrapping of whole signal acquisition processing circuit.
Fig. 4 is signal conditioning circuit structural representation in the disclosed a kind of signal acquisition processing circuit of the utility model embodiment.On the basis of Fig. 2 diagram and corresponding explanation thereof, described first signal modulate circuit 1 and secondary signal modulate circuit 2 include: differential amplifier circuit 3 and filter unit 4;
In this figure: the differential amplifier circuit input end of described first signal modulate circuit 1 and the differential amplifier circuit input end of secondary signal modulate circuit 2 are connected in coil output respectively, and the component parameters configuration of these two signal conditioning circuits is identical;
The differential amplifier circuit output terminal of described first signal modulate circuit 1 is connected to respectively filter unit in the described first signal modulate circuit 1 and the filter unit of described secondary signal modulate circuit 2;
The differential amplifier circuit output terminal of described secondary signal modulate circuit 2 is connected to respectively in the described first signal modulate circuit 1 filter unit and the filter unit of described secondary signal modulate circuit 2.
The output terminal of the differential amplifier circuit in the present embodiment connects respectively corresponding signal conditioning circuit and is connected road signal conditioning circuit connection, namely two differential amplifier circuits are exported in the difference input filter unit 4, realize double signals collecting, improved the sensitivity of circuit output.
In another kind of embodiment, as shown in Figure 5, on the basis of Fig. 3 diagram and corresponding explanation thereof, described first signal modulate circuit 1 and secondary signal modulate circuit 2 include: differential amplifier circuit 3 and filter unit 4;
The input end of the differential amplifier circuit of described first signal modulate circuit 1 is connected with coil output;
The input end of the differential amplifier circuit of described secondary signal modulate circuit 2 is connected with coil output through resistance;
The differential amplifier circuit output terminal of described first signal modulate circuit 1 is connected to respectively filter unit in the described first signal modulate circuit 1 and the filter unit of described secondary signal modulate circuit 2;
The differential amplifier circuit output terminal of described secondary signal modulate circuit 2 is connected to respectively in the described first signal modulate circuit 1 filter unit and the filter unit of described secondary signal modulate circuit 2.
In the present embodiment, the differential amplifier circuit of first signal modulate circuit 1 can be different from the differential amplifier circuit component parameters configuration of secondary signal modulate circuit 2, thereby prevent that one road differential amplifier circuit fault in production occurs and causes the situation of scrapping of whole signal acquisition processing circuit to occur in the manufacturing.
It needs to be noted, the invention also discloses a kind of sensor, as shown in Figure 6, comprise the signal acquisition processing circuit described in above-described embodiment, 26S Proteasome Structure and Function for described signal acquisition processing circuit illustrates referring to above-described embodiment and correspondence thereof, no longer repeats to illustrate and give unnecessary details herein.
And, the invention also discloses a kind of signal acquiring processing system, as shown in Figure 7, comprise the sensor among the embodiment, described system can be many apparatus systems that sensor, controller are installed, described sensor comprises the signal acquisition processing circuit described in the corresponding embodiment of Fig. 2-5,, no longer repeats diagram herein and gives unnecessary details referring to above-described embodiment and corresponding explanation thereof for the 26S Proteasome Structure and Function of described signal acquisition processing circuit.
In sum:
The redundant signals modulate circuit that signal acquisition processing circuit arranges among the utility model embodiment, one road signal conditioning circuit breaks down therein, another road is with executive signal conditioning action, thereby overcome the high technical matters of device scrappage that the signal conditioning circuit fault causes in the prior art, the output terminal of differential amplifier circuit connects respectively corresponding signal conditioning circuit and is connected road signal conditioning circuit connection, namely two differential amplifier circuits are exported in the difference input filter unit, realize double signals collecting, improved the sensitivity of circuit output.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation of the spirit or scope that do not break away from the utility model embodiment, realize in other embodiments.Therefore, the utility model embodiment will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a signal acquisition processing circuit is characterized in that, comprising: redundant first signal modulate circuit and secondary signal modulate circuit each other.
2. signal acquisition processing circuit as claimed in claim 1 is characterized in that, described first signal modulate circuit and secondary signal modulate circuit include: differential amplifier circuit and filter unit;
The input end of the differential amplifier circuit of described first signal modulate circuit is connected the input end of differential amplifier circuit and all is connected with coil output with the secondary signal modulate circuit;
The differential amplifier circuit output terminal of described first signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit;
The differential amplifier circuit output terminal of described secondary signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit.
3. signal acquisition processing circuit as claimed in claim 1 is characterized in that, described first signal modulate circuit and secondary signal modulate circuit include: differential amplifier circuit and filter unit;
The input end of the differential amplifier circuit of described first signal modulate circuit is connected with coil output;
The input end of the differential amplifier circuit of described secondary signal modulate circuit is connected with coil output through resistance;
The differential amplifier circuit output terminal of described first signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit;
The differential amplifier circuit output terminal of described secondary signal modulate circuit is connected to respectively filter unit in the described first signal modulate circuit and the filter unit of described secondary signal modulate circuit.
4. a sensor comprises: the described signal acquisition processing circuit of each claim of claim 1-3.
5. a signal acquiring processing system comprises: sensor claimed in claim 4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220439312.9U CN202793426U (en) | 2012-08-30 | 2012-08-30 | Signal acquisition processing circuit, sensor and signal acquisition processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220439312.9U CN202793426U (en) | 2012-08-30 | 2012-08-30 | Signal acquisition processing circuit, sensor and signal acquisition processing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125653A (en) * | 2016-08-26 | 2016-11-16 | 苏州盖恩茨电子科技有限公司 | The double switching signal harvester of a kind of temperature control |
| CN106125654A (en) * | 2016-08-29 | 2016-11-16 | 苏州盖恩茨电子科技有限公司 | A kind of Intelligent redundant controls formula signal picker |
| CN106154955A (en) * | 2016-08-26 | 2016-11-23 | 苏州盖恩茨电子科技有限公司 | A kind of two-way filtering temperature control detection switching signal harvester |
| CN106546272A (en) * | 2016-11-01 | 2017-03-29 | 浙江师范大学 | A kind of impedance sensor signal acquiring system |
-
2012
- 2012-08-30 CN CN201220439312.9U patent/CN202793426U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125653A (en) * | 2016-08-26 | 2016-11-16 | 苏州盖恩茨电子科技有限公司 | The double switching signal harvester of a kind of temperature control |
| CN106154955A (en) * | 2016-08-26 | 2016-11-23 | 苏州盖恩茨电子科技有限公司 | A kind of two-way filtering temperature control detection switching signal harvester |
| CN106125653B (en) * | 2016-08-26 | 2018-08-28 | 苏州盖恩茨电子科技有限公司 | A kind of double switching signal collectors of temperature control |
| CN106154955B (en) * | 2016-08-26 | 2018-08-28 | 苏州盖恩茨电子科技有限公司 | A kind of two-way filtering temperature control detection switching signal collector |
| CN106125654A (en) * | 2016-08-29 | 2016-11-16 | 苏州盖恩茨电子科技有限公司 | A kind of Intelligent redundant controls formula signal picker |
| CN106546272A (en) * | 2016-11-01 | 2017-03-29 | 浙江师范大学 | A kind of impedance sensor signal acquiring system |
| CN106546272B (en) * | 2016-11-01 | 2018-11-23 | 浙江师范大学 | A kind of impedance sensor signal acquiring system |
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| C14 | Grant of patent or utility model | ||
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
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Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |