CN203705513U - Hall sensor output signal processing circuit - Google Patents
Hall sensor output signal processing circuit Download PDFInfo
- Publication number
- CN203705513U CN203705513U CN201420047085.4U CN201420047085U CN203705513U CN 203705513 U CN203705513 U CN 203705513U CN 201420047085 U CN201420047085 U CN 201420047085U CN 203705513 U CN203705513 U CN 203705513U
- Authority
- CN
- China
- Prior art keywords
- circuit
- hall element
- diode
- signal processing
- processing circuit
- 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 - Lifetime
Links
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000003750 conditioning effect Effects 0.000 description 9
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model discloses a Hall sensor output signal processing circuit. The circuit comprises a Hall sensor connection port. A first base pin is connected to a positive power supply input. A second base pin outputs a detection signal and a third base pin is connected to a negative power supply input. The circuit is characterized in that the second base pin is connected with a sampling resistor R1; a sampling end of the sampling resistor R1 is connected with an anode of a diode D1; a cathode of the diode D1 is connected with a circuit output terminal; a jumper wire S1 is arranged between the anode and the cathode of the diode D1; the circuit output terminal is connected to a filtering capacitor C1 via another jumper wire S2. The circuit has the following advantages that the sampling resistor R1, the diode D1 and the filtering capacitor C1 are arranged in the Hall sensor output signal processing circuit; circuit performance is changed through connection or disconnection of the jumper wire S1 and the jumper wire S2 so that application of different scenes is realized; input and output demands of different systems to a Hall sensor signal are satisfied and an adaptation capability of the circuit is increased.
Description
Technical field
The utility model relates to signal processing circuit, is specifically related to a kind of Hall element output signal processing circuit.
Background technology
In electric energy transmission system, usually grasp system operation situation by current detecting or voltage detecting, Hall element, as the common technology of voltage, current detecting, is used widely at present.For existing Hall element, the signal of its output is generally the current signal of direct current or interchange, need to could meet through the processing of subsequent conditioning circuit the demand of sampling.
Existing various subsequent conditioning circuit design comparison is single, detects for different systems, some adaptation direct current inputs, and some adaptations exchange input, and different application scenarioss need to configure different treatment circuits, uses cumbersome.
Utility model content
For above-mentioned defect, the utility model provides a kind of Hall element output signal processing circuit, and its object is to meet different input and output demands, improves the adaptive ability of circuit.
To achieve these goals, the concrete technical scheme that the utility model adopts is as follows:
A kind of Hall element output signal processing circuit, comprise a Hall element connector, the first pin of this Hall element connector connects positive supply input, the second pin output detection signal, three-prong connects negative supply input, its key is: on the second pin of described Hall element connector, be connected with a sampling resistor R1, the sampling end of this sampling resistor R1 is connected with the positive pole of diode D1, the negative pole connecting circuit output terminal of diode D1, between the positive pole of described diode D1 and negative pole, be provided with a road wire jumper S1, on described circuit output end, be also connected with filter capacitor C1 through another road wire jumper S2.
Can find by above-mentioned design, according to the demand of different application scene, can on Hall element connector, connect dissimilar Hall element.If Hall element output signal is direct current signal, when subsequent conditioning circuit also needs to carry out direct current sampling, or Hall element output signal is AC signal, when subsequent conditioning circuit also needs to carry out AC sampling, can connect wire jumper S1, disconnect wire jumper S2, the signal of Hall element output is directly sent into subsequent conditioning circuit processing after sampling resistor R1, and characteristics of signals does not change; If Hall element is output as AC signal, subsequent conditioning circuit need to carry out direct current sampling, can disconnect wire jumper S1, connects wire jumper S2, and the signal of Hall element output is sent into subsequent conditioning circuit processing after diode D1 and filter capacitor C1 rectifying and wave-filtering again.
If subsequent conditioning circuit input resistance is larger, in order to improve the response speed of circuit, on described filter capacitor C1, be parallel with discharge resistance R2.
In conjunction with concrete needs, be input as+15V of described positive supply direct supply, be input as-15V of described negative supply direct supply.
Be 0～20mA for Hall element output current, frequency 40kHz, is converted to the scene of output voltage 0～3V, and the resistance of described sampling resistor R1 is 200 Ω, the capacitance of described filter capacitor C1 is 0.1uF, and the resistance of described discharge resistance R2 is 4.7K Ω.
Remarkable result of the present utility model is:
By sampling resistor R1, diode D1 and filter capacitor C1 as Hall element output signal processing circuit, utilize the connection of wire jumper S1 and wire jumper S2 whether to change the performance of circuit, thereby realize the application of different scenes, meet input, the output demand of different system to Hall element signal, improve the adaptive faculty of circuit.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the current signal waveform figure of Hall element output in specific embodiment;
Fig. 3 be in specific embodiment after processing of circuit shown in Fig. 1 waveform voltage signal figure.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of Hall element output signal processing circuit, comprise a Hall element connector, the first pin of this Hall element connector connects positive supply input, the second pin output detection signal, three-prong connects negative supply input, it is characterized in that: on the second pin of described Hall element connector, be connected with a sampling resistor R1, the sampling end of this sampling resistor R1 is connected with the positive pole of diode D1, the negative pole connecting circuit output terminal of diode D1, between the positive pole of described diode D1 and negative pole, be provided with a road wire jumper S1, on described circuit output end, be also connected with filter capacitor C1 through another road wire jumper S2, on described filter capacitor C1, be parallel with discharge resistance R2.
In the present embodiment, be input as+15V of described positive supply direct supply, be input as-15V of described negative supply direct supply, the resistance of described sampling resistor R1 is 200 Ω, and the capacitance of described filter capacitor C1 is 0.1uF, and the resistance of described discharge resistance R2 is 4.7K Ω.
It is 0～20mA that various setting parameters in this example are mainly used in Hall element output current, frequency 40kHz, be converted to the scene of output voltage 0～3V, in specific implementation process, sampling resistor R1, the value of filter capacitor C1 and discharge resistance R2 need to be determined according to the pull-up resistor of input reference signal, output voltage and late-class circuit.
In order further to understand remarkable result of the present utility model, be described further below in conjunction with the experimental data shown in Fig. 2 and Fig. 3.
Figure 2 shows that the current signal waveform figure of Hall element output, as can be seen from Figure 2, the current signal of Hall element output is AC signal, and in the time of 0.005s, amplitude becomes 0.01A from 0.02A.
Figure 3 shows that the output voltage waveform after the designed processing circuit processes of the utility model, as can be seen from Figure 3, the voltage signal of output is direct current signal, be equivalent to disconnect wire jumper S1, connect wire jumper S2, and the amplitude that the voltage signal of output can be good at following the tracks of input current signal, adapts to subsequent conditioning circuit AD sampling or other processing.
Finally it should be noted that; although below by reference to the accompanying drawings preferred embodiment of the present utility model is described; but the utility model is not limited to above-mentioned embodiment; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite without prejudice to the utility model aim and claim; can make like multiple types and representing; as: the parameter that changes sampling resistor R1, filter capacitor C1 and discharge resistance R2; change control mode of wire jumper S1 and wire jumper S2 etc., within such conversion all falls into the utility model protection domain.
Claims (4)
1. a Hall element output signal processing circuit, comprise a Hall element connector, the first pin of this Hall element connector connects positive supply input, the second pin output detection signal, three-prong connects negative supply input, it is characterized in that: on the second pin of described Hall element connector, be connected with a sampling resistor R1, the sampling end of this sampling resistor R1 is connected with the positive pole of diode D1, the negative pole connecting circuit output terminal of diode D1, between the positive pole of described diode D1 and negative pole, be provided with a road wire jumper S1, on described circuit output end, be also connected with filter capacitor C1 through another road wire jumper S2.
2. Hall element output signal processing circuit according to claim 1, is characterized in that: on described filter capacitor C1, be parallel with discharge resistance R2.
3. Hall element output signal processing circuit according to claim 1 and 2, is characterized in that: be input as+15V of described positive supply direct supply, be input as-15V of described negative supply direct supply.
4. Hall element output signal processing circuit according to claim 3, is characterized in that: the resistance of described sampling resistor R1 is 200 Ω, and the capacitance of described filter capacitor C1 is 0.1uF, and the resistance of described discharge resistance R2 is 4.7K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047085.4U CN203705513U (en) | 2014-01-24 | 2014-01-24 | Hall sensor output signal processing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047085.4U CN203705513U (en) | 2014-01-24 | 2014-01-24 | Hall sensor output signal processing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705513U true CN203705513U (en) | 2014-07-09 |
Family
ID=51055933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420047085.4U Expired - Lifetime CN203705513U (en) | 2014-01-24 | 2014-01-24 | Hall sensor output signal processing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646226A (en) * | 2016-10-18 | 2017-05-10 | 重庆凯邦电机有限公司 | Hall assembly detecting device and method |
| CN108121405A (en) * | 2018-01-19 | 2018-06-05 | 深圳市亿道数码技术有限公司 | 360 degree of two-in-one notebook control systems |
-
2014
- 2014-01-24 CN CN201420047085.4U patent/CN203705513U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646226A (en) * | 2016-10-18 | 2017-05-10 | 重庆凯邦电机有限公司 | Hall assembly detecting device and method |
| CN106646226B (en) * | 2016-10-18 | 2024-03-08 | 重庆凯邦电机有限公司 | Hall assembly detection device and detection method thereof |
| CN108121405A (en) * | 2018-01-19 | 2018-06-05 | 深圳市亿道数码技术有限公司 | 360 degree of two-in-one notebook control systems |
| CN108121405B (en) * | 2018-01-19 | 2023-09-19 | 深圳市亿道数码技术有限公司 | 360-degree two-in-one notebook control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202975135U (en) | Zero-cross detection circuit with low standby power consumption | |
| CN204391679U (en) | A kind of leakage current detection protection circuit | |
| CN203705513U (en) | Hall sensor output signal processing circuit | |
| CN204131085U (en) | Based on the battery system anti-surge circuit of hot plug chip | |
| CN204177901U (en) | A kind of intelligent traffic signal machine failure detector circuit | |
| CN201717794U (en) | Capacitor voltage reducing circuit using impedance input filter | |
| CN102855211A (en) | Universal serial bus-balanced voltage digital interface converter | |
| CN203772938U (en) | Power failure detection circuit for DC power supply | |
| CN103424598B (en) | Inversion system output voltage detecting circuit and inversion system | |
| CN204836131U (en) | Effective switch input signal acquisition circuit of high level | |
| CN203882882U (en) | External relay drive circuit | |
| CN203504786U (en) | Electromagnetic heating control circuit and electric pressure cooker | |
| CN105306039A (en) | Input/output circuit for interface of public address system and fire-fighting automation system | |
| CN105515171B (en) | Adaptive power supply monitors switching circuit and its uses control method | |
| CN104516307B (en) | A kind of PLC of configurable level signal output mode | |
| CN205160388U (en) | Full current feedback controller chip of low -cost effective multistage digital filtering of iteration | |
| CN203490693U (en) | Simple computer photoelectric signal transmission interface circuit | |
| CN204794004U (en) | Inductive current current foldback circuit among SVG | |
| CN203911895U (en) | Input output circuit for interface of public address (PA) system and fire alarm system (FAS) | |
| CN202795355U (en) | Universal serial bus (USB)-balanced voltage digital interface converter | |
| CN109188941A (en) | The hard sequential control circuit of space remote sensing camera CCD power supply | |
| CN102520244A (en) | Frequency signal detection circuit | |
| CN203588019U (en) | Remote communication circuit with multi-channel 220V AC/DC voltage input and single output | |
| CN102611115B (en) | Capacitor switching device | |
| CN203761361U (en) | Level shift circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |