CN201765302U - Device for detecting performances of Hall integrated circuit - Google Patents
Device for detecting performances of Hall integrated circuit Download PDFInfo
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- CN201765302U CN201765302U CN2010202042307U CN201020204230U CN201765302U CN 201765302 U CN201765302 U CN 201765302U CN 2010202042307 U CN2010202042307 U CN 2010202042307U CN 201020204230 U CN201020204230 U CN 201020204230U CN 201765302 U CN201765302 U CN 201765302U
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Abstract
A device for detecting the performances of a Hall integrated circuit comprises an adjustable stabilized voltage power supply, an input voltage display circuit, an output voltage display device and an output current display circuit, wherein the input terminal of the adjustable stabilized voltage power supply is connected with the commercial power through a switch S1; the output terminal of the adjustable stabilized voltage power supply is connected with the input voltage display circuit in parallel; the positive electrode of the Hall integrated circuit to be detected is connected with the positive electrode of the adjustable stabilized voltage power supply; the negative electrode of the Hall integrated circuit to be detected is connected with the negative electrode of the adjustable stabilized voltage power supply; the output voltage display circuit is connected between the output electrode of the Hall integrated circuit to be detected and the negative electrode of the adjustable stabilized voltage power supply; and the output current display circuit is connected between the positive electrode and the output electrode of the Hall integrated circuit to be detected. The device for detecting the performances of the Hall integrated circuit can qualitatively distinguish the working states and types of the Hall integrated circuit by observing whether an LED lamp is lightened, and can also quantitatively detect the performances of the Hall integrated circuit in virtue of number values displayed by a voltage meter and an ammeter.
Description
Technical field
The utility model belongs to the electric circuit inspection technical field, is specially a kind of pick-up unit that is used for the Hall integrated circuit of brushless electric machine in the electric motor car is carried out performance test.
Background technology
Hall integrated circuit is the incorporate product of Hall element and electronic circuit, and it utilizes integrated circuit processing technique to make by Hall element, amplifier, temperature-compensation circuit and mu balanced circuit.Its all physical quantity relevant with magnetic of energy perception can be exported relevant automatically controlled information again, so Hall integrated circuit is a kind of integrated circuit, is again a kind of magneto-dependent sensor, and it generally adopts DIP or flat package.At present, electric bicycle, battery-operated motor cycle and electro-tricycle etc. all need motor to drive running, and the motor that uses in the electric motor car is by the dc brushless motor of Hall integrated circuit as position transducer mostly.In the process of using electric motor car, find, common faults appears on the Hall integrated circuit as sensor mostly, therefore, in the production of brushless electric machine, using and keep in repair, all be necessary the performance parameter of Hall integrated circuit is detected, could when breaking down, judge soundly like this.
Past generally is to adopt multimeter to come whether conducting of detection line when detecting Hall integrated circuit, but this method inefficiency, and also accuracy rate is very low.In the prior art, the disclosed application number of Chinese patent is 200710028639.0, invention and created name is " a kind of brushless motor Hall detector ", discloses a kind of detection loop of three parallel connections being made up of stabilized voltage supply, Hall element, differential amplifier, Schmidt trigger, triode and light emitting diode; When it detects, it is input access stabilized voltage supply with electric machine controller, the transistor collector extension line that again stabilized voltage supply is in series with light emitting diode is connected on the signal wire of controller for electric vehicle and motor, after the opening power, by the viewing lamp shinny quality of judging motor whether.But this detector can only detect qualitatively and judge whether motor breaks down, and can not make test accurately as operating voltage, electric current and temperature etc. to the running parameter of circuit.Therefore, be production and the use that makes things convenient for motor, need a kind ofly can make qualitative detection, can also carry out the device of detection by quantitative accurately the Hall integrated circuit of motor.
The utility model content
At the prior art above shortcomings, the purpose of this utility model is to provide a kind of can carry out quantitative test to operating voltage, electric current and the temperature of Hall integrated circuit, the Hall integrated circuit device for detecting performance that can also carry out qualitative discrimination to the type and the duty of circuit.
The technical solution of the utility model: the Hall integrated circuit device for detecting performance, it is characterized in that, comprise adjustable stabilized voltage supply, input voltage display circuit, output voltage display circuit and output current display circuit; The input of adjustable stabilized voltage supply connects civil power by switch S 1, and the output terminal of adjustable stabilized voltage supply is parallel with the input voltage display circuit; The positive pole of Hall integrated circuit to be measured links to each other with the positive pole of adjustable stabilized voltage supply, Hall integrated circuit negative pole to be measured links to each other with the negative pole of adjustable stabilized voltage supply, is connected to the output voltage display circuit between the output stage of Hall integrated circuit to be measured and the negative pole of adjustable stabilized voltage supply; Connect the output current display circuit between the positive pole of Hall integrated circuit to be measured and the output stage.
Use pick-up unit of the present utility model, can whether light the duty and the type of judging circuit qualitatively, the also performance that can come quantitative testing circuit by the concrete numerical value that digital watch shows by what observe the LED lamp.
During detection, positive pole, negative pole and the output stage with Hall integrated circuit links to each other with the binding post of the utility model Hall integrated circuit device for detecting performance respectively earlier; Then, open the power switch S1 on the adjustable D.C. regulated power supply W, adjustable constant voltage dc source W and civil power are connected, regulate resistance R 1, the numerical value that input voltage digital watch V1 is shown reaches required operating voltage (generally getting 5V), and the pilot lamp LED1 that starts shooting this moment lights.Observation state pilot lamp LED2, if the status indicator LED lamp gets electric lighting, and the displayed value of output voltage digital watch V2 equals V1 (promptly being output as high level), and corresponding output current digital watch A is shown as zero, represent that then Hall integrated circuit is in cut-off state, logically be expressed as " 1 "; Utilize magnetic links B close facing to the symbol face of Hall integrated circuit C, if status indicator LED 2 lamps do not work, and output voltage digital watch V2 displayed value is zero, represent that then Hall integrated circuit is in conducting state, logically be expressed as " 0 ", regulate resistance R 3 this moment, and the numerical value that output current several word table A is shown reaches required working current value (such as 2mA).Simultaneously, according under different conditions, the demonstration numerical value of each digital watch (input voltage digital watch V1, output voltage digital watch V2 and output current digital watch A), hourly observation draws voltage, electric current and the temperature performance index of circuit, and judges with this whether the Hall integrated circuit of being surveyed can normally use.
With respect to prior art, the utlity model has following beneficial effect:
1, the nominal parameter to operating voltage, electric current and the temperature of Hall integrated circuit all can detect accurately; By mobile magnetic links is set near Hall integrated circuit, reach the purpose of conversion Hall integrated circuit duty (conducting by), under different duties, utilize the input voltage digital watch, output voltage digital watch and the output current digital watch that are provided with in the circuit to detect respectively and obtain required parameter value, last integration test result draws each performance parameter value of circuit respectively, as minimum, the highest damage voltage, minimum working current and the highest damage temperature etc.
2, can carry out qualitative discrimination to motor circuit, whether light by observing the start pilot lamp (LED1) and the status indicator lamp (LED2) that are provided with in the circuit, directly the quality of decision circuitry; Moreover, can also observe the corresponding situation of change of Hall integrated circuit pilot lamp under variable condition, thereby the type of decision circuitry just can be picked out qualified circuit product when manufacturing in conjunction with the moving of magnetic links.
3, flexible operation, be provided with conveniently, intuitive display, because the adjusting knob of LED light, input voltage pointer gauge V1, output voltage pointer gauge V2 and output current pointer gauge A and power switch S1, resistance R 1 and R4 all is arranged on the housing face-plate of pick-up unit, only need on panel, to operate when therefore testing to get final product, very convenient, can also observe the numerical value of each pointer gauge simultaneously, also can contrast timely and judge thereby make things convenient for during adjusting while observing the pointer gauge adjusting knob.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model Hall integrated circuit device for detecting performance;
Fig. 2 is a panel construction synoptic diagram of the present utility model.
Among the figure, 1-positive terminal, 2-anode connector, 3-output stage joint, 4-panel.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the Hall integrated circuit device for detecting performance comprises adjustable stabilized voltage supply, input voltage display circuit, output voltage display device and output current display circuit; The input of adjustable stabilized voltage supply connects civil power by switch S 1, and the output terminal of adjustable stabilized voltage supply is parallel with the input voltage display circuit; The positive pole of Hall integrated circuit to be measured links to each other with the positive pole of adjustable stabilized voltage supply, Hall integrated circuit negative pole to be measured links to each other with the negative pole of adjustable stabilized voltage supply, is connected to the output voltage display circuit between the output stage of Hall integrated circuit to be measured and the negative pole of adjustable stabilized voltage supply; Connect the output current display circuit between the positive pole of Hall integrated circuit to be measured and the output stage.
Described adjustable stabilized voltage supply is adjustable D.C. regulated power supply, regulates the output voltage size by adjustable resistance R1;
Described input voltage display circuit is made up of voltage table V1, start pilot lamp LED1 and current-limiting resistance R2, and the indication LED of starting shooting lamp is with in parallel with voltage table V1 again after current-limiting resistance R2 connects;
Described output voltage display circuit is made up of voltage table V2, status indicator lamp LED2 and current-limiting resistance R5, and status indicator lamp LED2 is with in parallel with voltage table V2 again after current-limiting resistance R5 connects;
The output current display circuit is regulated resistance R 3 by reometer A, resistance R 4 and the output current of series connection and is formed.
Described voltage table V1, voltage table V2 and reometer A are digital or pointer.
When with the positive pole on the Hall integrated circuit (redness), negative pole (black) and output stage (blue, green or yellow) respectively with after corresponding joint is connected, turn on the power switch S1 again, input voltage display circuit, output voltage display device and output current display circuit all are communicated with the formation loop with adjustable stabilized voltage supply.The pick-up unit that utilization connects, can carry out following test:
1, the type identification of Hall integrated circuit
1) utilize magnetic links B close facing to the symbol face of Hall integrated circuit C, as the South Pole of magnetic links B S during near the symbol face of Hall integrated circuit C, LED2 can transfer to from illuminating state and extinguishes state, Hall integrated circuit C can transfer conducting state to from cut-off state, and output current digital watch A will show the conducting electric current; And remove the South Pole S of magnetic links B, Hall integrated circuit C can transfer to from conducting immediately and ending, LED2 also can transfer illuminating state to from extinguishing state immediately, and with the arctic N of magnetic links B during near the symbol face of Hall integrated circuit C, still the remain off state is constant for Hall integrated circuit C.When satisfying above situation, this Hall integrated circuit is the one pole type, and it can only use as switch, can not be used for brushless electric machine.
2) as the South Pole of magnetic links B S during near the symbol face of Hall integrated circuit C, LED2 can transfer to from illuminating state and extinguishes state, and Hall integrated circuit C can be from by transferring conducting state to; And after removing the South Pole S of magnetic links B, Hall integrated circuit C keeps conducting state always, and constant (even to drop to be zero in magnetic field, can not change) yet, after the arctic of magnetic links B N arrives, Hall integrated circuit C just can transfer cut-off state to by conducting state, and its dutycycle is near 50%, and the Hall integrated circuit that satisfies this situation is bipolar locking-typed for symmetry, it is applicable in the brushless electric machine and uses, and can obtain high electric efficiency.
2, the test of operating voltage
Referring to Fig. 2, at room temperature carry out the test of operating voltage range, promptly test out Hall integrated circuit minimum and the highest damage voltage (containing maximum operating voltage).Concrete operations are: regulate R1 and begin rise (minimal adjustment unit is 0.1V) from V1=3V (low more meaningless), constantly with the N of magnetic links B, the logic state that the S utmost point detects Hall integrated circuit, pairing V1 value is minimum operating voltage when observing the LED2 state variation for the first time, pairing V1 value is the highest damage operating voltage when observing the LED2 state for the last time and not changing, and pairing V1 value is maximum operating voltage when observing the LED2 state for the last time and can change.Be the consistance of the operating voltage that detects Hall integrated circuit, this test can repeat more than twice.
3, the test of working current
Referring to Fig. 2, at room temperature carry out the test of working current.Concrete operations are: keep the V1 operating voltage constant, regulate resistance R 3 (available in case of necessity R4 fit adjustment), begin rise (minimal adjustment unit is 0.1mA) from reometer A=0.1mA (low more meaningless), constantly use the N of magnetic links B, the S utmost point detects the logic state of Hall integrated circuit, the displayed value of pairing reometer A is minimum running current when observing for the first time the state variation of output voltage meter V2, the displayed value of pairing reometer A is the highest damage working current when observing the V2 state for the last time and not changing, and the displayed value of pairing reometer A is high workload electric current when observing the V2 state for the last time and can change.For detecting the consistance of Hall integrated circuit working current, this test can repeat more than twice.
4, the test of working temperature
Referring to Fig. 2, keep the value of Hall integrated circuit operating voltage V1 and electric current A constant, following of circuit operation Hall integrated circuit is put into baking oven, temperature test since 100 ℃ (because Hall integrated circuit is installed on the iron core stator, can't isolate with thermal source, when the motor short-term operation in poor efficiency district or overload, the local temperature of motor may reach more than 110～130 ℃, this high temperature can influence the serviceability of Hall, so low temperature generally can not tested), oven temperature increased by 5 ℃ by per 30 minutes, and 30 minutes N with magnetic links B of every mistake, the S utmost point detects its logic state (take out survey, put after having surveyed again and understand baking oven) 1 time.Pairing temperature value is not the highest damage temperature when the logic state of observing circuit does not for the last time change, and pairing baking oven displays temperature value was a maximum operating temperature when logic state of observing circuit for the last time can change.For detecting the consistance of Hall integrated circuit working temperature, this test can repeat more than twice.
By the test of above four aspects, can clearly learn the performance parameter of Hall integrated circuit, thereby for the production of motor, use and maintenance provides better reference, also help improving the qualification rate of product.
Need to prove at last, above embodiment is only in order to illustrate the technical solution of the utility model but not the restriction technologies scheme, although the applicant has been described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those are made amendment to the technical solution of the utility model or are equal to replacement, and do not break away from the aim and the scope of the technical program, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. the Hall integrated circuit device for detecting performance is characterized in that, comprises adjustable stabilized voltage supply, input voltage display circuit, output voltage display circuit and output current display circuit; The input of adjustable stabilized voltage supply connects civil power by switch S 1, the output terminal of adjustable stabilized voltage supply input voltage display circuit in parallel; The positive pole of Hall integrated circuit to be measured links to each other with the positive pole of adjustable stabilized voltage supply, Hall integrated circuit negative pole to be measured links to each other with the negative pole of adjustable stabilized voltage supply, connects the output voltage display circuit between the output stage of Hall integrated circuit to be measured and the negative pole of adjustable stabilized voltage supply; Connect the output current display circuit between the positive pole of Hall integrated circuit to be measured and the output stage.
2. Hall integrated circuit device for detecting performance according to claim 1 is characterized in that, described adjustable stabilized voltage supply is adjustable D.C. regulated power supply, regulates the output voltage size by adjustable resistance R1;
Described input voltage display device is made up of voltage table V1, start pilot lamp LED1 and current-limiting resistance R2, and the indication LED of starting shooting lamp is with in parallel with voltage table V1 again after current-limiting resistance R2 connects;
Described output voltage display device is made up of voltage table V2, status indicator lamp LED2 and current-limiting resistance R5, and status indicator lamp LED2 is with in parallel with voltage table V2 again after current-limiting resistance R5 connects;
Described output current display device is regulated resistance R 3 by reometer A, resistance R 4 and the output current of series connection and is formed.
3. Hall integrated circuit device for detecting performance according to claim 1 is characterized in that, described voltage table V1, voltage table V2 and reometer A are digital or pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202042307U CN201765302U (en) | 2010-05-26 | 2010-05-26 | Device for detecting performances of Hall integrated circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202042307U CN201765302U (en) | 2010-05-26 | 2010-05-26 | Device for detecting performances of Hall integrated circuit |
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| CN201765302U true CN201765302U (en) | 2011-03-16 |
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| CN2010202042307U Expired - Fee Related CN201765302U (en) | 2010-05-26 | 2010-05-26 | Device for detecting performances of Hall integrated circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101825A (en) * | 2013-04-08 | 2014-10-15 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Semiconductor device troubleshooting method and troubleshooting device |
| CN104297674A (en) * | 2013-11-28 | 2015-01-21 | 中国航空工业集团公司洛阳电光设备研究所 | Hall switch test equipment |
| CN106556737A (en) * | 2016-11-07 | 2017-04-05 | 黎明职业大学 | A kind of digital current voltmeter interface circuit based on Hall current sensor |
| CN106771692A (en) * | 2015-11-19 | 2017-05-31 | 中国科学院苏州纳米技术与纳米仿生研究所 | The automatization test system and method for Hall Plate in a kind of brshless DC motor |
| CN108548980A (en) * | 2018-06-28 | 2018-09-18 | 中国海洋石油集团有限公司 | A kind of Hall element screening plant and method |
| CN114047359A (en) * | 2021-11-20 | 2022-02-15 | 重庆虎溪电机工业有限责任公司 | Hall plate detection device |
-
2010
- 2010-05-26 CN CN2010202042307U patent/CN201765302U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101825A (en) * | 2013-04-08 | 2014-10-15 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Semiconductor device troubleshooting method and troubleshooting device |
| CN104297674A (en) * | 2013-11-28 | 2015-01-21 | 中国航空工业集团公司洛阳电光设备研究所 | Hall switch test equipment |
| CN104297674B (en) * | 2013-11-28 | 2018-04-27 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of Hall switch test equipment |
| CN106771692A (en) * | 2015-11-19 | 2017-05-31 | 中国科学院苏州纳米技术与纳米仿生研究所 | The automatization test system and method for Hall Plate in a kind of brshless DC motor |
| CN106556737A (en) * | 2016-11-07 | 2017-04-05 | 黎明职业大学 | A kind of digital current voltmeter interface circuit based on Hall current sensor |
| CN106556737B (en) * | 2016-11-07 | 2018-11-30 | 黎明职业大学 | A kind of digital current voltmeter interface circuit based on Hall current sensor |
| CN108548980A (en) * | 2018-06-28 | 2018-09-18 | 中国海洋石油集团有限公司 | A kind of Hall element screening plant and method |
| CN114047359A (en) * | 2021-11-20 | 2022-02-15 | 重庆虎溪电机工业有限责任公司 | Hall plate detection device |
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Granted publication date: 20110316 Termination date: 20160526 |