CN219779974U - Compatible adapter device of current vortex sensor power supply - Google Patents
Compatible adapter device of current vortex sensor power supply Download PDFInfo
- Publication number
- CN219779974U CN219779974U CN202320185258.8U CN202320185258U CN219779974U CN 219779974 U CN219779974 U CN 219779974U CN 202320185258 U CN202320185258 U CN 202320185258U CN 219779974 U CN219779974 U CN 219779974U
- Authority
- CN
- China
- Prior art keywords
- voltage
- power supply
- electrically connected
- eddy current
- pin
- 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.)
- Active
Links
- 230000009466 transformation Effects 0.000 claims abstract description 44
- 230000003750 conditioning effect Effects 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 9
- 239000013643 reference control Substances 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to a compatible adapting device for power supply of an eddy current sensor, which comprises a voltage transformation circuit and a voltage switching circuit, wherein the voltage transformation circuit comprises a voltage input end and a voltage output end, the voltage switching circuit comprises a first input end, a second input end and a power supply output end, the voltage input end is electrically connected with a power supply source, the voltage output end is different from the voltage input end in voltage, the second input end is electrically connected with the voltage output end, the first input end and the second input end are switchably and electrically connected with the power supply output end, and the power supply output end is electrically connected with the eddy current sensor. When the intelligent power supply is used, the voltage of the power supply is changed by the voltage transformation circuit, the voltage output end is combined with the first input end or the second input end through the voltage switching circuit, and then various different voltages are output from the power supply output end, so that the same power supply can be compatible and adaptive to various different eddy current sensors, and the intelligent power supply has good practicability.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a power supply compatible adapter device for an eddy current sensor.
Background
The current eddy current sensor is a non-contact linear measuring tool, and the change of the distance is accurately measured by the principle of the eddy current effect. The eddy current sensor has the characteristics of high measurement sensitivity, high reliability, high resolution, strong anti-interference capability and the like, so that the eddy current sensor is more and more widely applied.
However, because specific models of the eddy current sensors of the respective families are different, in actual use, power supply levels which can be provided in the eddy current sensor systems of the specific applications are different, and thus the problem that compatibility is difficult in model selection of equipment is caused, so that the work of design analysis, calculation model selection and detection test is more in the development process, and development time and economic cost are increased indistinctly.
Therefore, there is a need for a solution for an eddy current sensor that enables a power supply in an eddy current sensor system to be compatible with adapting to a plurality of different power requirements.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a power supply compatible adapting device for an eddy current sensor, so as to solve the problem of how to enable a power supply in an eddy current sensing system to be compatible with an eddy current sensor adapting to a plurality of different power supply requirements.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a compatible adapting device of eddy current sensor power supply, which is used for connecting a power supply and an eddy current sensor, and comprises:
the voltage converting circuit comprises a voltage input end and a voltage output end, wherein the voltage input end is electrically connected with the power supply, and the voltage of the voltage output end is different from that of the voltage input end;
the voltage switching circuit comprises a first input end, a second input end and a power supply output end, wherein the first input end is electrically connected with the power supply, the second input end is electrically connected with the voltage output end, the first input end and the second input end are electrically connected with the power supply output end in a switchable manner, and the power supply output end is electrically connected with the eddy current sensor.
Further, the voltage transformation circuit comprises an anode voltage transformation chip and a cathode voltage transformation chip, voltage input pins of the anode voltage transformation chip and voltage input pins of the cathode voltage transformation chip are the voltage input ends, and voltage output pins of the anode voltage transformation chip and the cathode voltage transformation chip are the voltage output ends; the voltage input pin and the voltage output pin of the anode transformer chip are respectively and electrically connected with the anode of the power supply and the anode of the eddy current sensor, and the voltage input pin and the voltage output pin of the cathode transformer chip are respectively and electrically connected with the cathode of the power supply and the second input end; the first input end is electrically connected with the negative electrode of the power supply, and the power supply output end is electrically connected with the negative electrode of the eddy current sensor.
Further, the type of the positive electrode transformer chip is MC78M15, the No. 1 pin of the positive electrode transformer chip is electrically connected with the positive electrode of the power supply, the No. 2 pin of the positive electrode transformer chip is grounded, and the No. 3 pin of the positive electrode transformer chip is electrically connected with the positive electrode of the eddy current sensor; the model of the negative electrode transformer chip is MC79M15, the No. 1 pin of the negative electrode transformer chip is grounded, the No. 2 pin of the negative electrode transformer chip is electrically connected with the negative electrode of the power supply, and the No. 3 pin of the negative electrode transformer chip is electrically connected with the second input end.
Further, the voltage switching circuit comprises a voltage switching element, the voltage switching element is a three-point normally closed relay, a normally closed contact of the voltage switching element is electrically connected with the negative pole of the power supply, a normally open contact of the voltage switching element is electrically connected with the No. 3 pin of the negative pole voltage transformation chip, a common contact of the voltage switching element is electrically connected with the negative pole of the eddy current sensor, one end of a coil of the voltage switching element is grounded, and the other end of the coil of the voltage switching element is used for receiving the power supply control voltage.
Further, the transformation circuit further comprises two capacitors, one ends of the two capacitors are respectively and electrically connected with the positive electrode and the negative electrode of the eddy current sensor, and the other ends of the two capacitors are grounded.
Further, the system also comprises a signal conditioning circuit, a plurality of reference voltage sources and a reference switching circuit, wherein the signal conditioning circuit comprises a signal input end and a signal output end, the signal input end is electrically connected with a signal output terminal of the eddy current sensor, and the signal output end is used for outputting signals; the reference switching circuit is electrically connected with the signal input end and switchably connected with the reference voltage source.
Further, the signal conditioning circuit comprises an operational amplifier, wherein an anode input pin of the operational amplifier is the signal input end and is electrically connected with a signal output terminal of the eddy current sensor, an output pin of the operational amplifier is the signal output end, and an output pin of the operational amplifier is electrically connected with a cathode input pin of the operational amplifier.
Further, the plurality of reference voltage sources comprise a reference voltage source and a ground terminal; the reference switching circuit comprises a reference switching element, the reference switching element is a three-point normally-closed relay, a normally-closed contact of the reference switching element is electrically connected with the grounding end, a normally-open contact of the reference switching element is electrically connected with the reference voltage source, a common contact of the reference switching element is electrically connected with an anode input pin of the operational amplifier, one end of a coil of the reference switching element is grounded, and the other end of the coil of the reference switching element is used for receiving reference control voltage.
Further, the signal conditioning circuit further comprises a first resistor and a second resistor, wherein the first resistor is electrically connected between the positive input pin of the operational amplifier and the signal output terminal of the eddy current sensor, and the second resistor is electrically connected between the common contact of the reference switching element and the positive input pin of the operational amplifier.
Further, the sensor interface terminal comprises a first terminal, a second terminal, a third terminal and a fourth terminal, wherein the first terminal is electrically connected with a voltage output pin of the positive voltage transformation chip and is used for being electrically connected with the positive electrode of the eddy current sensor, the second terminal is electrically connected with the power supply output end and is used for being electrically connected with the negative electrode of the eddy current sensor, the third terminal is grounded and is used for being electrically connected with the grounding end of the eddy current sensor, and the fourth terminal is electrically connected with the signal input end and is used for being electrically connected with the signal output terminal of the eddy current sensor.
The utility model provides a compatible adapting device for power supply of an eddy current sensor, which comprises a voltage transformation circuit and a voltage switching circuit, wherein the voltage transformation circuit comprises a voltage input end and a voltage output end, the voltage switching circuit comprises a first input end, a second input end and a power supply output end, the voltage input end is electrically connected with a power supply source, the voltage output end is different from the voltage input end in voltage, the second input end is electrically connected with the voltage output end, the first input end and the second input end are switchably and electrically connected with the power supply output end, and the power supply output end is electrically connected with the eddy current sensor. When the intelligent power supply is used, the voltage of the power supply is changed by the voltage transformation circuit, the voltage output end is combined with the first input end or the second input end through the voltage switching circuit, and then various different voltages are output from the power supply output end, so that the same power supply can be compatible and adaptive to various different eddy current sensors, and the intelligent power supply has good practicability.
Drawings
FIG. 1 is a circuit diagram of an embodiment of a transformer circuit and a voltage switching circuit in an eddy current sensor power supply compatible adapter device provided by the utility model;
fig. 2 is a circuit configuration diagram of an embodiment of a signal conditioning circuit and a reference switching circuit in the power supply compatible adapter device of an eddy current sensor provided by the utility model.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In one embodiment of the present utility model, an eddy current sensor power supply compatible adapter device is disclosed for connecting a power supply and an eddy current sensor, comprising:
the voltage transformation circuit 100 comprises a voltage input end and a voltage output end, wherein the voltage input end is electrically connected with the power supply, and the voltage of the voltage output end is different from that of the voltage input end;
the voltage switching circuit 200 comprises a first input end, a second input end and a power supply output end, wherein the first input end is electrically connected with the power supply source, the second input end is electrically connected with the voltage output end, the first input end and the second input end are switchably and electrically connected with the power supply output end, and the power supply output end is electrically connected with the eddy current sensor.
When the intelligent power supply is used, the voltage change circuit 100 changes the voltage of the power supply, the voltage output end is combined with the first input end or the second input end through the voltage switching circuit 200, and then various different voltages are output from the power supply output end, so that the same power supply can be compatible and adaptive to various different eddy current sensors, and the intelligent power supply has good practicability.
It can be understood that in practice, the multiple power supply compatible adapting devices of the above-mentioned eddy current sensors are combined and integrated into one device, and the voltage changed by the voltage transforming circuit 100 of each power supply compatible adapting device clock of the eddy current sensor is different, so that output of more power supply levels can be realized, and further more eddy current sensors can be compatible and adapted.
In a preferred embodiment, the voltage transformation circuit 100 includes a positive voltage transformation chip U1 and a negative voltage transformation chip U2, voltage input pins of the positive voltage transformation chip U1 and the negative voltage transformation chip U2 are both the voltage input terminals, and voltage output pins of the positive voltage transformation chip U1 and the negative voltage transformation chip U2 are both the voltage output terminals; the voltage input pin and the voltage output pin of the positive electrode voltage transformation chip U1 are respectively and electrically connected with the positive electrode of the power supply and the positive electrode of the eddy current sensor, and the voltage input pin and the voltage output pin of the negative electrode voltage transformation chip U2 are respectively and electrically connected with the negative electrode of the power supply and the second input end; the first input end is electrically connected with the negative electrode of the power supply, and the power supply output end is electrically connected with the negative electrode of the eddy current sensor.
The circuit outputs positive power which is different from the positive electrode of the power supply through the positive electrode voltage transformation chip U1, outputs negative power which is different from the negative electrode of the power supply through the negative electrode voltage transformation chip U2, and is combined through the voltage switching circuit 200 to realize the output of different power supply levels.
Referring to fig. 1, in a preferred embodiment, the type of the positive electrode transformer chip U1 is MC78M15, pin 1 of the positive electrode transformer chip U1 is electrically connected to the positive electrode of the power supply, pin 2 of the positive electrode transformer chip U1 is grounded, and pin 3 of the positive electrode transformer chip U1 is electrically connected to the positive electrode of the eddy current sensor; the model of negative pole vary voltage chip U2 is MC79M15, negative pole vary voltage chip U2's No. 1 pin ground connection, negative pole vary voltage chip U2's No. 2 pin electricity is connected power supply's negative pole, negative pole vary voltage chip U2's No. 3 pin electricity is connected the second input.
Further, in a preferred embodiment, the voltage switching circuit 200 includes a voltage switching element RY1, where the voltage switching element RY1 is a three-point normally-closed relay, a normally-closed contact of the voltage switching element RY1 is electrically connected to a negative pole of the power supply, a normally-open contact of the voltage switching element RY1 is electrically connected to pin No. 3 of the negative pole transforming chip U2, a common contact of the voltage switching element RY1 is electrically connected to a negative pole of the eddy current sensor, one end of a coil of the voltage switching element RY1 is grounded, and the other end is used for receiving a power supply control voltage, that is, a signal for controlling the coil to be powered on or powered off, and thus enabling the contact to act to change the voltage.
It will be appreciated that in practice, other existing circuits or elements capable of implementing the switching function may be selected to implement the function of the voltage switching circuit 200 in this embodiment.
In a preferred embodiment, the voltage transformation circuit 100 further includes two capacitors C1 and C2, one ends of the two capacitors are electrically connected to the positive electrode and the negative electrode of the eddy current sensor, respectively, and the other ends of the two capacitors are grounded.
In this embodiment, the positive electrode of the power supply is +24v, the negative electrode of the power supply is-24V, the positive electrode voltage transformation chip U1 reduces the voltage to +15v and outputs the voltage from pin 3, the negative electrode voltage transformation chip U2 increases the voltage to-15V, and the compatible adaptation of the eddy current sensor with the power supply voltage of +15v/-15V/-24V can be realized through the arrangement and combination of the voltage output pin of the positive electrode voltage transformation chip U1, the first input end and the second input end between the voltage switching circuits 200.
In practical application, besides different power supply requirements of each eddy current sensor, signal polarities output by each eddy current sensor are different, and compatibility and adaptation problems exist in the aspect of signal output of different eddy current sensors. The present utility model therefore also provides a preferred embodiment for solving the problem of how the eddy current sensor system is compatible to adapt to the signal polarities of different eddy current sensors.
Specifically, in a preferred embodiment, the power supply compatible adapting device of the eddy current sensor further includes a signal conditioning circuit 300, a plurality of reference voltage sources 400 and a reference switching circuit 500, where the signal conditioning circuit 300 includes a signal input end and a signal output end, the signal input end is electrically connected to a signal output terminal of the eddy current sensor, and the signal output end is used for outputting a signal; the reference switching circuit is electrically connected to the signal input terminal and switchably connected to the reference voltage source 400.
In a preferred embodiment, as shown in fig. 2, the signal conditioning circuit 300 includes an operational amplifier, where an positive input pin of the operational amplifier is the signal input terminal and is electrically connected to a signal output terminal of the eddy current sensor, an output pin of the operational amplifier is the signal output terminal, and an output pin of the operational amplifier is electrically connected to a negative input pin of the operational amplifier. In this embodiment, the operational amplifier realizes the function of an adder, and according to different voltages input by the reference voltage source 400, different outputs are realized, so as to achieve the purpose of signal conditioning, and the polarities of signals output by different eddy current sensors can be unified through conditioning, and the same acquisition signals are output through the output pins of the operational amplifier.
In a preferred embodiment, a plurality of the reference voltage sources 400 include a base reference voltage source and a ground; the reference switching circuit 500 includes a reference switching element RY2, where the reference switching element RY2 is a three-point normally-closed relay, a normally-closed contact of the reference switching element RY2 is electrically connected to the ground terminal, a normally-open contact of the reference switching element RY2 is electrically connected to the reference voltage source, a common contact of the reference switching element RY2 is electrically connected to an positive input pin of the operational amplifier, one end of a coil of the reference switching element RY2 is grounded, and the other end is used for receiving a reference control voltage, that is, a signal for controlling the coil to be powered on or powered off, and thus enabling the contact to act to change the input reference voltage.
It will be appreciated that in practice, other existing circuits or elements capable of implementing the switching function may be selected to implement the function of the reference switching circuit 500 in this embodiment.
In a preferred embodiment, the signal conditioning circuit 300 further includes a first resistor R1 and a second resistor R2, the first resistor R1 is electrically connected between the positive input pin of the operational amplifier and the signal output terminal of the eddy current sensor, and the second resistor R2 is electrically connected between the common contact of the reference switching element RY2 and the positive input pin of the operational amplifier.
Further, in a preferred embodiment, the electrical vortex sensor power supply compatible adapting device further includes a sensor interface 600, the sensor interface 600 terminals include a first terminal, a second terminal, a third terminal and a fourth terminal, the first terminal is electrically connected to the voltage output pin of the positive voltage transformation chip U1 and is used for electrically connecting the positive electrode of the electrical vortex sensor, the second terminal is electrically connected to the power supply output end and is used for electrically connecting the negative electrode of the electrical vortex sensor, the third terminal is grounded and is used for electrically connecting the ground end of the electrical vortex sensor, and the fourth terminal is electrically connected to the signal input end and is used for electrically connecting the signal output terminal of the electrical vortex sensor.
In the embodiment, when the electric vortex sensor needs to be powered by +/-15V, a power supply interface of the electric vortex sensor is connected with 1/2/3 pin of a J1 pin, wherein the 1 pin is powered by +15V, the 2 pin is powered by a negative power supply, the 3 pin is grounded, a normally open contact is closed by a power supply control voltage signal Q1 in an enabling state RY1, and the 15V is output to the V-connected 2 pin, so that +/-15V power supply is realized.
When the power supply system needs-24V, the sensor power supply interface is connected with the 2/3 pin of the J1 pin, wherein the 2 pin is used for supplying power to a negative power supply, the 3 pin is used for grounding, the normally closed contact is closed by the power supply control voltage signal Q1 in a forbidden state RY1, the-24V is output to the V-connected 2 pin, and the +/-15V power supply is realized, so that the-24V power supply is realized through the 2/3 pin.
When the output of the sensor system is positive polarity signal, the reference control voltage signal Q2 is in a forbidden state, the RY2 normally closed node selects the reference voltage to be 0V, and the signal conditioning input is positive polarity to the detection circuit. When the sensor system outputs a negative polarity signal, the reference control voltage signal Q2 is in a disabled state, the RY2 normally open node selects the reference voltage VREF, and the signal conditioning circuit 300 conditions the negative polarity signal and the reference voltage to a positive polarity signal through the adder circuit and outputs the positive polarity signal as the acquisition signal.
The utility model provides a compatible adapting device for power supply of an eddy current sensor, which comprises a voltage transformation circuit 100 and a voltage switching circuit 200, wherein the voltage transformation circuit 100 comprises a voltage input end and a voltage output end, the voltage switching circuit 200 comprises a first input end, a second input end and a power supply output end, the voltage input end is electrically connected with a power supply source, the voltage output end is different from the voltage input end in voltage, the second input end is electrically connected with the voltage output end, the first input end and the second input end are switchably and electrically connected with the power supply output end, and the power supply output end is electrically connected with the eddy current sensor. When the intelligent power supply is used, the voltage change circuit 100 changes the voltage of the power supply, the voltage output end is combined with the first input end or the second input end through the voltage switching circuit 200, and then various different voltages are output from the power supply output end, so that the same power supply can be compatible and adaptive to various different eddy current sensors, and the intelligent power supply has good practicability.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. An eddy current sensor power supply compatible adapter device for connecting a power supply and an eddy current sensor, comprising:
the voltage converting circuit comprises a voltage input end and a voltage output end, wherein the voltage input end is electrically connected with the power supply, and the voltage of the voltage output end is different from that of the voltage input end;
the voltage switching circuit comprises a first input end, a second input end and a power supply output end, wherein the first input end is electrically connected with the power supply, the second input end is electrically connected with the voltage output end, the first input end and the second input end are electrically connected with the power supply output end in a switchable manner, and the power supply output end is electrically connected with the eddy current sensor.
2. The power supply compatible adapter device of an eddy current sensor according to claim 1, wherein the voltage transformation circuit comprises a positive voltage transformation chip and a negative voltage transformation chip, voltage input pins of the positive voltage transformation chip and the negative voltage transformation chip are the voltage input ends, and voltage output pins of the positive voltage transformation chip and the negative voltage transformation chip are the voltage output ends; the voltage input pin and the voltage output pin of the anode transformer chip are respectively and electrically connected with the anode of the power supply and the anode of the eddy current sensor, and the voltage input pin and the voltage output pin of the cathode transformer chip are respectively and electrically connected with the cathode of the power supply and the second input end; the first input end is electrically connected with the negative electrode of the power supply, and the power supply output end is electrically connected with the negative electrode of the eddy current sensor.
3. The power supply compatible adapter device of an eddy current sensor according to claim 2, wherein the type of the positive electrode transformer chip is MC78M15, pin 1 of the positive electrode transformer chip is electrically connected with the positive electrode of the power supply, pin 2 of the positive electrode transformer chip is grounded, and pin 3 of the positive electrode transformer chip is electrically connected with the positive electrode of the eddy current sensor; the model of the negative electrode transformer chip is MC79M15, the No. 1 pin of the negative electrode transformer chip is grounded, the No. 2 pin of the negative electrode transformer chip is electrically connected with the negative electrode of the power supply, and the No. 3 pin of the negative electrode transformer chip is electrically connected with the second input end.
4. The power supply compatible adapting device of an eddy current sensor according to claim 3, wherein the voltage switching circuit comprises a voltage switching element, the voltage switching element is a three-point normally closed relay, a normally closed contact of the voltage switching element is electrically connected with a negative pole of the power supply source, a normally open contact of the voltage switching element is electrically connected with a No. 3 pin of the negative pole transformation chip, a common contact of the voltage switching element is electrically connected with the negative pole of the eddy current sensor, one end of a coil of the voltage switching element is grounded, and the other end of the coil of the voltage switching element is used for receiving a power supply control voltage.
5. The power supply compatible adapter device of claim 4, wherein the voltage transformation circuit further comprises two capacitors, one ends of the two capacitors are respectively electrically connected with the positive pole and the negative pole of the eddy current sensor, and the other ends of the two capacitors are grounded.
6. The electrical supply compatible adapting device of an eddy current sensor according to claim 2, further comprising a signal conditioning circuit, a plurality of reference voltage sources and a reference switching circuit, the signal conditioning circuit comprising a signal input and a signal output, the signal input being electrically connected to a signal output terminal of the eddy current sensor, the signal output for outputting a signal; the reference switching circuit is electrically connected with the signal input end and switchably connected with the reference voltage source.
7. The power supply compatible adapting device of claim 6, wherein the signal conditioning circuit comprises an operational amplifier, an anode input pin of the operational amplifier is the signal input end and is electrically connected to a signal output terminal of the eddy current sensor, an output pin of the operational amplifier is the signal output end, and an output pin of the operational amplifier is electrically connected to a cathode input pin of the operational amplifier.
8. The electrical eddy current sensor power supply compatible adapter of claim 7 wherein a plurality of the reference voltage sources comprises a base reference voltage source and a ground; the reference switching circuit comprises a reference switching element, the reference switching element is a three-point normally-closed relay, a normally-closed contact of the reference switching element is electrically connected with the grounding end, a normally-open contact of the reference switching element is electrically connected with the reference voltage source, a common contact of the reference switching element is electrically connected with an anode input pin of the operational amplifier, one end of a coil of the reference switching element is grounded, and the other end of the coil of the reference switching element is used for receiving reference control voltage.
9. The electrical eddy current sensor power supply compatible adapter of claim 8 wherein the signal conditioning circuit further comprises a first resistor electrically connected between the positive input pin of the operational amplifier and the signal output terminal of the electrical eddy current sensor and a second resistor electrically connected between the common contact of the reference switching element and the positive input pin of the operational amplifier.
10. The electrical vortex sensor power supply compatible adapter of claim 6 further comprising a sensor interface terminal comprising a first terminal electrically connected to a voltage output pin of the positive transformer chip and for electrically connecting the positive pole of the electrical vortex sensor, a second terminal electrically connected to the power supply output and for electrically connecting the negative pole of the electrical vortex sensor, a third terminal grounded and for electrically connecting the ground of the electrical vortex sensor, and a fourth terminal electrically connected to the signal input and for electrically connecting the signal output terminal of the electrical vortex sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320185258.8U CN219779974U (en) | 2023-02-01 | 2023-02-01 | Compatible adapter device of current vortex sensor power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320185258.8U CN219779974U (en) | 2023-02-01 | 2023-02-01 | Compatible adapter device of current vortex sensor power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219779974U true CN219779974U (en) | 2023-09-29 |
Family
ID=88106972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320185258.8U Active CN219779974U (en) | 2023-02-01 | 2023-02-01 | Compatible adapter device of current vortex sensor power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219779974U (en) |
-
2023
- 2023-02-01 CN CN202320185258.8U patent/CN219779974U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201583604U (en) | Portable electrical measurement device with diode testing functions | |
| US20110187402A1 (en) | Power supply testing system | |
| US9753063B2 (en) | Load side voltage sensing for utility meter | |
| WO2011010349A1 (en) | Testing device | |
| CN219779974U (en) | Compatible adapter device of current vortex sensor power supply | |
| CN108463733B (en) | Electronic circuit for measuring current during charging and discharging of secondary battery | |
| CN206431186U (en) | A kind of quiescent current test system | |
| CN209821292U (en) | Test tool and test system of high-voltage distribution box | |
| CN103675389A (en) | Alternating-current and direct-current dual-purpose voltage transformer | |
| CN105051549A (en) | Voltage measurement device | |
| CN203551744U (en) | Electric energy meter load switch state detection circuit | |
| CN110456141A (en) | A kind of flash over-current detection circuit and its method | |
| CN203658435U (en) | AC/DC voltage transformer | |
| CN210198571U (en) | Temperature measurement monitoring device | |
| CN211426729U (en) | Fire detection alarm electric quantity detection circuit and fire detection alarm | |
| CN208569014U (en) | A kind of Partial discharge signal marking apparatus of pressure-adjustable | |
| CN208336697U (en) | A kind of connector plug of novel reversible type | |
| CN103151655A (en) | Extension socket with power parameter monitoring function | |
| CN202008515U (en) | Passive earth detector for locomotives | |
| CN212410673U (en) | Digital multimeter control circuit based on RC time delay | |
| CN108631689B (en) | Driving device and power supply reverse connection protection circuit thereof | |
| CN106100292B (en) | A kind of programmable small power DC power supply and power configuration method | |
| CN211318563U (en) | Electric signal measuring device | |
| CN205825996U (en) | Sensor multifunctional tester | |
| CN217133269U (en) | Insulation resistance detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |