CN205919835U - Two -wire system hall element - Google Patents
Two -wire system hall element Download PDFInfo
- Publication number
- CN205919835U CN205919835U CN201620842691.4U CN201620842691U CN205919835U CN 205919835 U CN205919835 U CN 205919835U CN 201620842691 U CN201620842691 U CN 201620842691U CN 205919835 U CN205919835 U CN 205919835U
- Authority
- CN
- China
- Prior art keywords
- hall element
- pin
- audion
- triode
- electric capacity
- 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 - Fee Related
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- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model belongs to the technical field of the warper technique and specifically relates to a two -wire system hall element, including hall element H1, a triode Q1, two Q2 on the triode, electric capacity C1 and resistance R1, hall element H1's pin 1 and a triode Q1's base link to each other, hall element H1's pin 2 and a triode Q1's grounded collector, and hall element H1's pin 3 and two Q2's on the triode collecting electrode link to each other, and a triode Q1's two Q2's on projecting pole and the triode projecting pole links to each other, hall element H1's pin 1 and electric capacity C1 and resistance R1 are connected to the pin between 2 parallel circuit. This device design is simple, practices thrift the cost, can save the space of cable and wiring.
Description
Technical field
This utility model is related to warping machine technical field, especially a kind of two-wire system Hall element.
Background technology
Generally each Hall element has as shown in Figure 4 three pin (vcc, gnd, output): in the middle of its application,
These three pins can easily be coupled together.But in the middle of some applications, can use to a lot of Hall elements, this
A lot of cable that sample will use.
Utility model content
Excessive in order to overcome the shortcomings of existing Hall element cable, this utility model provides a kind of two-wire system Hall unit
Part.
This utility model solves its technical problem the technical scheme is that two-wire system Hall element, including Hall unit
Part h1, audion one q1, audion two q2, electric capacity c1 and resistance r1, the base stage of the pin 1 of Hall element h1 and audion one q1
It is connected, the grounded collector of the pin 2 of Hall element h1 and audion one q1, the pin 3 of Hall element h1 and audion two q2
Colelctor electrode be connected, the emitter stage of audion one q1 is connected with the emitter stage of audion two q2, the pin 1 of described Hall element h1
The parallel circuit of electric capacity c1 and resistance r1 is connected and pin 2 between.
The beneficial effects of the utility model are, the design of this device is simple, cost-effective, can save cable and wiring
Space.
Brief description
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is ultimate principle figure of the present utility model；
Fig. 3 is the circuit diagram of a mainboard；
Fig. 4 is the Hall element structural representation with three pins.
In figure h1. Hall element, q1. audion one, q2. audion two, c1. electric capacity, r1. resistance, r2. pull-up resistor.
Specific embodiment
If Fig. 1 is structural representation of the present utility model, a kind of two-wire system Hall element.
This utility model solves its technical problem the technical scheme is that two-wire system Hall element, including Hall unit
Part h1, audion one q1, audion two q2, electric capacity c1 and resistance r1, the base stage of the pin 1 of Hall element h1 and audion one q1
It is connected, the grounded collector of the pin 2 of Hall element h1 and audion one q1, the pin 3 of Hall element h1 and audion two q2
Colelctor electrode be connected, the emitter stage of audion one q1 is connected with the emitter stage of audion two q2, the pin 1 of described Hall element h1
The parallel circuit of electric capacity c1 and resistance r1 is connected and pin 2 between.
Fig. 2 is ultimate principle figure of the present utility model, and audion one q1 plays the short circuit effect of key, when q1 turns on, it
Can be by the circuit dead short on its left side.The effect of audion two q2 is to lead back for stoping electric current from returning to when electric capacity c1 discharges
Above road, such electric current just can continue for some time on resistance r1.
As Fig. 1, Hall element h1 is opener output, and after h1 senses, the pin 3 of Hall element will be with pin 2(gnd)
Internally connect, such audion one q1 will be by the circuit dead short on its left side.Emitting stage quilt due to audion two q2
Short circuit loses voltage, and electric capacity c1 starts to discharge, and due to the blocking effect of q2, Hall element h1 just can continue to a period of time
Work.
Add a pull-up resistor at the in end of this circuit to power supply, when Hall element senses, in end is just
The pulse of certain frequency can persistently be provided, the frequency size of pulse is decided by the size of electric capacity c1.
Using the method, we just can replace three lines using both threads.
On mainboard, as long as we are detecting this pulse, and it is just permissible to maintain signal.
Fig. 3 is that the circuit of a mainboard is illustrated: r2 is pull-up resistor.
When sw1 closes (enable detection signal), during Hall element h1 sensing, led2 will light always, until sw1 breaks
Open (signal of Hall element h1 is captured and maintains).
Described above be merely exemplary for this utility model, and nonrestrictive, those of ordinary skill in the art
Understand, in the case of the spirit and scope being limited without departing from claims, many modifications can be made, change or wait
Effect, but fall within protection domain of the present utility model.
Claims (1)
1. a kind of two-wire system Hall element, including Hall element (h1), audion one (q1), audion two (q2), electric capacity (c1)
With resistance (r1), it is characterized in that, the pin 1 of described Hall element (h1) is connected with the base stage of audion one (q1), Hall element
(h1) pin 2 and the grounded collector of audion one (q1), the current collection of the pin 3 of Hall element (h1) and audion two (q2)
Extremely connected, the emitter stage of audion one (q1) is connected with the emitter stage of audion two (q2), the pin 1 of described Hall element (h1)
The parallel circuit of electric capacity (c1) and resistance (r1) is connected and pin 2 between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842691.4U CN205919835U (en) | 2016-08-05 | 2016-08-05 | Two -wire system hall element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620842691.4U CN205919835U (en) | 2016-08-05 | 2016-08-05 | Two -wire system hall element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205919835U true CN205919835U (en) | 2017-02-01 |
Family
ID=57871721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620842691.4U Expired - Fee Related CN205919835U (en) | 2016-08-05 | 2016-08-05 | Two -wire system hall element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205919835U (en) |
-
2016
- 2016-08-05 CN CN201620842691.4U patent/CN205919835U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20210805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |