CN206489256U - Hall effect digital switch test device - Google Patents
Hall effect digital switch test device Download PDFInfo
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- CN206489256U CN206489256U CN201621382370.7U CN201621382370U CN206489256U CN 206489256 U CN206489256 U CN 206489256U CN 201621382370 U CN201621382370 U CN 201621382370U CN 206489256 U CN206489256 U CN 206489256U
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- hall effect
- digital switch
- effect digital
- test
- power supply
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Abstract
The utility model discloses a kind of Hall effect digital switch test device, including field generator for magnetic, voltage-stabilized power supply, test adapter and result tester, wherein, the test adapter is made up of printed circuit board and fixture, the electrical connection for realizing tested Hall effect digital switch and this test device；The field generator for magnetic is coupled by magnetic signal with Hall effect digital switch；The voltage-stabilized power supply is connected with the Hall effect digital switch input on test adapter printed circuit board, to provide power supply for Hall effect digital switch；The result tester is connected with the output end of Hall effect digital switch on test adapter printed circuit board.The utility model improves the testing efficiency and test result precision of Hall effect digital switch, and this test device has dependable performance, and the population parameter test of Hall effect digital switch key property can be achieved in the advantages of convenient test is quick.
Description
Technical field
The utility model is related to a kind of Hall effect digital switch test device, belongs to Hall effect digital switch test skill
Art field.
Background technology
Hall integrated circuit is a kind of magneto-dependent sensor.Magnetic field and its change can be detected, can be various relevant with magnetic field
Occasion in use.Hall integrated circuit is worked based on Hall effect principle.According to the function of Hall integrated circuit
It can divide them into:Hall linear integrated circuit and hall ic.The former exports analog quantity, the latter's output numeral
Amount.By Hall integrated circuit can by many non-electrical, the physical quantity of non-magnetic for example power, torque, pressure, stress, position, displacement,
Speed, angle, rotating speed etc. are transformed into electricity to be detected and controlled.Hall integrated circuit has small volume, lightweight, life-span
Long, vibration resistance and it is corrosion-resistant the advantages of.
Hall ic is also known as Hall effect digital switch, in DC brushless motor, noncontacting switch, position control
Using widely in terms of system, Rotating speed measring, isolation detection, current protector, igniter for automobile and safety alarm device.In boat
Its aviation field, Hall effect digital switch is widely used in space flight small and special electric machine, secondary power supply and miniaturization remote-measuring equipment, type
Number classification is fixed but quantity is presented and increased year by year.Hall effect digital switch is used as type product component, its quality assurance
It must be strictly controlled.
At present, in national standard and professional standard, the test also not to Hall effect digital switch forms unified standard,
The country is also without the special tester of manufacturer production.Need to provide the external magnetic field of certain polarity and intensity during the device detection,
The element of work is driven, then detects whether circuit output signal meets requirement.Traditional hall device test system is big
Voluntarily researched and developed, be mainly made up of analog discrete components, test parameter is affected by environment larger, for a long time by device production producer more
Poor work stability, and measurement parameter is shown with pointer header, not enough intuitively, reading is inconvenient.Therefore, study a kind of
Detection method is scientific and normal, stability is good, accurately and reliably test device has important practical significance test result.
The content of the invention
The technical problems to be solved in the utility model is：A kind of Hall effect digital switch test device is provided, with survey
Try speed fast, precision is high, the characteristics of dependable performance, the deficiencies in the prior art can be overcome.
The technical solution of the utility model：A kind of Hall effect digital switch test device, including it is field generator for magnetic, steady
Voltage source, test adapter and result tester, wherein,
The test adapter is made up of printed circuit board and fixture, for realizing tested Hall effect digital switch and this
The electrical connection of test device, wherein, fixture, which is installed, to be used to fix Hall effect digital switch, the printing electricity on circuit boards
Input of the road plate provided with Hall effect digital switch, and output end, it is and defeated for what is be connected with result tester
Go out end；
The field generator for magnetic is coupled by magnetic signal with Hall effect digital switch；
The voltage-stabilized power supply is connected with the Hall effect digital switch input on test adapter printed circuit board, is thought
Hall effect digital switch provides power supply；
The result tester is connected with the output end of Hall effect digital switch on test adapter printed circuit board.
The field generator for magnetic includes D.C. regulated power supply, ammeter, reversing switch K2 and magnet coil, wherein
D.C. regulated power supply is connected by reversing switch K2 with magnet coil, D.C. regulated power supply and reversing switch K2 it
Between circuit on ammeter is installed.
Ammeter is installed on circuit between the voltage-stabilized power supply and Hall effect digital switch input.
The circuit between the input and output end of Hall effect digital switch is provided with drop-down electricity on a printed circuit board
Hinder RL and switch K1.
Test result instrument includes voltmeter, ammeter and oscillograph, is respectively used to measure Hall effect digital switch
Voltage, electric current and time parameter.
The beneficial effects of the utility model are：The various pieces of this test device are powered successively, and tested as needed
The performance indications of Hall effect digital switch set correlate meter, Hall effect digital switch is inserted test adapter
In fixture, pass through the switch K1 and K2 on control device, you can carry out the test of relevant parameter, simple operation.The utility model
The testing efficiency and test result precision of Hall effect digital switch are improved, and this test device has dependable performance, surveys
The advantages of trying convenient and swift, can be achieved the population parameter test of Hall effect digital switch key property.
Brief description of the drawings
Fig. 1 is the test philosophy figure of the utility model Hall effect digital switch test device；
Fig. 2 is combined test stand schematic layout pattern of the present utility model.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
With reference to Fig. 1, the utility model test device includes field generator for magnetic, voltage-stabilized power supply, test adapter and result
Tester.
The field generator for magnetic includes D.C. regulated power supply, ammeter, reversing switch K2 and magnet coil, direct current
Voltage-stabilized power supply is connected by reversing switch K2 with magnet coil, between D.C. regulated power supply and reversing switch K2
Ammeter 2 is installed, wherein D.C. regulated power supply provides coil current, the read coil electric current of ammeter 2 for magnet coil on circuit
Exact value, reversing switch K2 be used for control coil in current direction.
Voltage-stabilized power supply is connected with the input Vcc of Hall effect digital switch, d. c. voltage signal is provided for device, steady
Ammeter 1 is installed on circuit between voltage source and Hall effect digital switch input, for read work source current.
Test result instrument includes voltmeter, ammeter and oscillography, is respectively used to measure the electricity of Hall effect digital switch
Pressure, electric current and time parameter.
The test adapter is made up of printed circuit board and fixture, and fixture, which is installed, to be used to fix Hall effect on circuit boards
Answer digital switch, printed circuit board be integrated with Hall effect digital switch input, and output end, and for result
The output end of tester connection, the circuit between input on a printed circuit board and output end is provided with pull down resistor RL
With switch K1, K1 switch control pull down resistor RL closed and disconnected, this test adapter is used to realize tested Hall effect number
Word switch and the electrical connection of this test device,
During work, field generator for magnetic is coupled by magnetic signal with Hall effect digital switch, Hall effect numeral open with
Test adapter is connected, and test adapter is connected with result tester.Field generator for magnetic is that Hall effect numeral opens offer
Stable and direction-agile the magnetic signal of magnetic induction intensity.
Such as Fig. 2, in order to which the efficient design for improving test makes a combined test stand simple to operate.Combined test stand collection
Electromagnet, fin and guidance panel are closed.There are shared test adapter, switch K1 and K2 on guidance panel, left and right side is common
There are 8 binding posts.Electromagnet is cylinder carbon steel core magnets, and fin is brought into close contact with electromagnet, and K1 switches are device
Pull down resistor closed and disconnected is switched, and pull down resistor is 2K Ω during closure；K2 switches are magnetic direction switch, respectively positive magnetic
Field, disconnection（Without magnetic field）And negative fluxfield；4, left side binding post is Vcc, GND, Vout and oscillograph from top to bottom.4, right side
Binding post is from top to bottom electromagnet power supply anode, negative terminal, Vcc and Vout, can connect voltage-stabilized power supply, ammeter and voltage
Table.Hall effect digital switch is inserted in the test fixture on test adapter, makes its front sensitive spot should be able to be just to electromagnetism
Iron central point, passes through the switch K1 and K2 on control device, you can carry out the test of relevant parameter.
Described Vcc, GND, Vout be respectively Hall effect digital switch input, and output end.
In the utility model, according to electromagnetic conversion principle, what the magnetic field size and coil midstream that magnet coil is produced were crossed
Size of current is directly proportional.In testing, by adjusting magnet coil both end voltage, that is, D.C. regulated power supply output voltage control is adjusted
Magnetic induction intensity processed.The current value for flowing through coil that ammeter 2 is measured can obtain the magnetic of Hall effect digital switch by conversion
Induction.
Claims (5)
1. a kind of Hall effect digital switch test device, it is characterised in that：Including field generator for magnetic, voltage-stabilized power supply, test
Adapter and result tester, wherein,
The test adapter is made up of printed circuit board and fixture, for realizing tested Hall effect digital switch and this test
The electrical connection of device, wherein, fixture, which is installed, to be used to fix Hall effect digital switch, the printed circuit board on circuit boards
Input provided with Hall effect digital switch, and output end, and the output end for being connected with result tester；
The field generator for magnetic is coupled by magnetic signal with Hall effect digital switch；
The voltage-stabilized power supply is connected with the Hall effect digital switch input on test adapter printed circuit board, thinks Hall
Effect digital switch provides power supply；
The result tester is connected with the output end of Hall effect digital switch on test adapter printed circuit board.
2. Hall effect digital switch test device according to claim 1, it is characterised in that：The field generator for magnetic
Including D.C. regulated power supply, ammeter, reversing switch K2 and magnet coil, wherein D.C. regulated power supply passes through polarity switching
Switch K2 is connected with magnet coil, and ammeter is installed on the circuit between D.C. regulated power supply and reversing switch K2.
3. Hall effect digital switch test device according to claim 1, it is characterised in that：The voltage-stabilized power supply with
Ammeter is installed on circuit between Hall effect digital switch input.
4. Hall effect digital switch test device according to claim 1, it is characterised in that：On a printed circuit board suddenly
Circuit between the input and output end of your effect digital switch is provided with pull down resistor RL and switch K1.
5. Hall effect digital switch test device according to claim 1, it is characterised in that：Test result instrument includes
Voltmeter, ammeter and oscillograph, are respectively used to measure voltage, electric current and the time parameter of Hall effect digital switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382370.7U CN206489256U (en) | 2016-12-16 | 2016-12-16 | Hall effect digital switch test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382370.7U CN206489256U (en) | 2016-12-16 | 2016-12-16 | Hall effect digital switch test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489256U true CN206489256U (en) | 2017-09-12 |
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ID=59770893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621382370.7U Active CN206489256U (en) | 2016-12-16 | 2016-12-16 | Hall effect digital switch test device |
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| Country | Link |
|---|---|
| CN (1) | CN206489256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632509A (en) * | 2019-10-10 | 2019-12-31 | 湖北航天技术研究院计量测试技术研究所 | Hall switch test tool and test method |
-
2016
- 2016-12-16 CN CN201621382370.7U patent/CN206489256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632509A (en) * | 2019-10-10 | 2019-12-31 | 湖北航天技术研究院计量测试技术研究所 | Hall switch test tool and test method |
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