CN203057101U - Apparatus for automatically detecting motion point of magneto-sensitive switch circuit - Google Patents
Apparatus for automatically detecting motion point of magneto-sensitive switch circuit Download PDFInfo
- Publication number
- CN203057101U CN203057101U CN 201320015530 CN201320015530U CN203057101U CN 203057101 U CN203057101 U CN 203057101U CN 201320015530 CN201320015530 CN 201320015530 CN 201320015530 U CN201320015530 U CN 201320015530U CN 203057101 U CN203057101 U CN 203057101U
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- China
- Prior art keywords
- switching circuit
- magneto
- driving power
- sensitive switch
- switch circuit
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Abstract
The utility model discloses an apparatus for automatically detecting a motion point of a magneto-sensitive switch circuit. The apparatus comprises an electromagnetic transition assembly, a driving power supply, a latch circuit, and a data display instrument. An input terminal of the electromagnetic transition assembly is connected with the driving power supply. An output terminal of the electromagnetic transition assembly is connected with the latch circuit. The latch circuit is connected with the data display instrument. The electromagnetic transition assembly is provided with a magnetic gap which is internally equipped with the magneto-sensitive switch circuit. The apparatus generates direct-current voltage growing from zero in a linear manner through the driving power supply and applies the linear voltage onto the electromagnetic transition assembly for generating a linear magnetic field; the magnetic gap of the electromagnetic transition assembly is internally equipped with the magneto-sensitive switch circuit; then with the arrangement of the latch circuit and the data display instrument, the motion point of the magneto-sensitive switch circuit can be rapidly and reliably measured and displayed; and thus the accurate grading of the magneto-sensitive switch circuit can be realized, the rejection and waste caused by blind assembling can be prevented, and the batch production of products can be achieved.
Description
Technical field
The utility model relates to a kind of operating point checkout gear, is specifically related to a kind of device of automatic detection magnetosensitive switching circuit operating point.
Background technology
The magnetosensitive switching circuit is a kind of semiconductor integrated circuit based on Hall effect, when not adding magnetic field, and the output high level, the magnetosensitive switching circuit is in OFF state; When applying magnetic field, along with the increase in magnetic field, when reaching operating point, magnetosensitive switching circuit output low level, the magnetosensitive switching circuit is in ON state.
In the process of using magnetosensitive switching circuit making high sensor, need carry out meticulous stepping to the operating point of magnetosensitive switching circuit, and present market being seen magnetosensitive switching circuit operating point test stepping instrument can't satisfy this requirement.
The utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of device of automatic detection magnetosensitive switching circuit operating point, can realize the meticulous stepping of magnetosensitive switching circuit operating point.
Technical scheme: for achieving the above object, the device of a kind of automatic detection magnetosensitive switching circuit operating point of the present utility model, comprise electromagnetic conversion assembly, driving power, latch cicuit and data Displaying Meter, described electromagnetic conversion assembly input connects driving power, electromagnetic conversion assembly output connects latch cicuit, latch cicuit is connected with the data Displaying Meter, and the electromagnetic conversion assembly is provided with magnetic gap, is provided with the magnetosensitive switching circuit in the magnetic gap.
As preferably, described driving power comprises interconnective three-terminal voltage regulator and the linear control unit that increases.
As preferably, described electromagnetic conversion assembly is provided with coil windings, coil windings one end ground connection, and the coil windings other end is connected with driving power, and coil windings is provided with diode between the two ends.
As preferably, be provided with the switching signal modular converter between described magnetosensitive switching circuit and the latch cicuit.
Operation principle of the present utility model is the direct voltage that at first produces the linear growth of starting from scratch by driving power, amplitude peak is Vm, cycle is T second, this linear voltage acts on the electromagnetic conversion assembly, be used for producing 0～Bm mT linear magnetic field at magnetic gap, Bm is maximum magnetic field strength, the magnetosensitive switching circuit places the magnetic gap of electromagnetic conversion assembly, when the linear magnetic field in the magnetic gap reaches operating point, the conducting of magnetosensitive switching circuit, magnetosensitive switching circuit output state is transformed into low level by high level.This moment, latch cicuit was preserved this magnetic field data, and was sent to the digital instrument demonstration, thereby demonstrated the operating point numerical value of magnetosensitive switching circuit.
Beneficial effect: the device of a kind of automatic detection magnetosensitive switching circuit operating point of the present utility model, produce the direct voltage of the linear growth of starting from scratch by driving power, and this linear voltage acted on the electromagnetic conversion assembly for generation of linear magnetic field, be provided with the magnetosensitive switching circuit in the magnetic gap of electromagnetic conversion assembly, then by latch cicuit and data Displaying Meter are set, can measure and show magnetosensitive switching circuit operating point at a high speed reliably, realize the accurate stepping of magnetosensitive switching circuit, the rejection and waste that can avoid blindly assembling to cause is realized product lot quantity production.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1, a kind of device of automatic detection magnetosensitive switching circuit operating point, comprise electromagnetic conversion assembly 9, driving power, latch cicuit 6 and data Displaying Meter 7, described electromagnetic conversion assembly 9 inputs connect driving power by magnetoelectricity stream sampling module 2, described driving power comprises interconnective three-terminal voltage regulator 1 and the linear control unit 8 that increases, be connected with magnetoelectricity stream sampling module 2 between three-terminal voltage regulator 1 and the latch cicuit 6, electromagnetic conversion assembly 9 outputs connect latch cicuit 6, latch cicuit 6 is connected with data Displaying Meter 7, electromagnetic conversion assembly 9 is provided with magnetic gap 3 and coil windings, be provided with magnetosensitive switching circuit 4 in the magnetic gap 3, be provided with switching signal modular converter 5 between magnetosensitive switching circuit 4 and the latch cicuit 6, coil windings one end ground connection, the coil windings other end is connected with driving power, and coil windings is provided with diode between the two ends.
In the present embodiment, input voltage is by three-terminal voltage regulator 1 and the linear direct voltage that increases the linear growth of starting from scratch of control unit 8 generations, amplitude peak is Vm=50V, cycle is T=2 second, direct voltage is input to respectively in latch cicuit 6 and the electromagnetic conversion assembly 9 by magnetoelectricity stream sampling module 2, in magnetic gap 3, produce 0～Bm mT linear magnetic field, Bm=45mT is maximum magnetic field strength, this magnetic field acts on the magnetosensitive switching circuit 4, when magnetic field reaches the operating point of magnetosensitive switching circuit 4, magnetosensitive switching circuit 4 becomes conducting state by cut-off state, this switching signal flows the triggering signal of signal as the magnetoelectricity of its sampling of latches in the latch cicuit 6 after conversion, magnetoelectricity stream signal is through the output signal of over-sampling as latch cicuit 6, during triggering signal when receiving 4 conductings of magnetosensitive switching circuit, latch flows the magnetoelectricity that receives signal latch and keeps data, in time read the magnetic flux density value of magnetosensitive switching circuit 4 operating points, thereby finish the Data Detection of magnetosensitive switching circuit 4 operating points.
The above only is preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. device that automatically detects magnetosensitive switching circuit operating point, it is characterized in that: comprise electromagnetic conversion assembly (9), driving power, latch cicuit (6) and data Displaying Meter (7), described electromagnetic conversion assembly (9) input connects driving power, electromagnetic conversion assembly (9) output connects latch cicuit (6), latch cicuit (6) is connected with data Displaying Meter (7), electromagnetic conversion assembly (9) is provided with magnetic gap (3), is provided with magnetosensitive switching circuit (4) in the magnetic gap (3).
2. the device of automatic detection magnetosensitive switching circuit operating point according to claim 1 is characterized in that: described driving power comprises interconnective three-terminal voltage regulator (1) and the linear control unit (8) that increases.
3. the device of automatic detection magnetosensitive switching circuit operating point according to claim 1, it is characterized in that: described electromagnetic conversion assembly (9) is provided with coil windings, coil windings one end ground connection, the coil windings other end is connected with driving power, and coil windings is provided with diode between the two ends.
4. the device of automatic detection magnetosensitive switching circuit operating point according to claim 1 is characterized in that: be provided with switching signal modular converter (5) between described magnetosensitive switching circuit (4) and the latch cicuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015530 CN203057101U (en) | 2013-01-11 | 2013-01-11 | Apparatus for automatically detecting motion point of magneto-sensitive switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015530 CN203057101U (en) | 2013-01-11 | 2013-01-11 | Apparatus for automatically detecting motion point of magneto-sensitive switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203057101U true CN203057101U (en) | 2013-07-10 |
Family
ID=48740016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015530 Expired - Lifetime CN203057101U (en) | 2013-01-11 | 2013-01-11 | Apparatus for automatically detecting motion point of magneto-sensitive switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203057101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304407A (en) * | 2015-11-11 | 2016-02-03 | 上海科勒电子科技有限公司 | System and method for controlling magnetic switch |
-
2013
- 2013-01-11 CN CN 201320015530 patent/CN203057101U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304407A (en) * | 2015-11-11 | 2016-02-03 | 上海科勒电子科技有限公司 | System and method for controlling magnetic switch |
| US10020806B2 (en) | 2015-11-11 | 2018-07-10 | Shanghai Kohler Electronics, Ltd. | Reed switch with communication function which used for urinal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |