CN105716652A - Detector circuit - Google Patents
Detector circuit Download PDFInfo
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- CN105716652A CN105716652A CN201410727312.2A CN201410727312A CN105716652A CN 105716652 A CN105716652 A CN 105716652A CN 201410727312 A CN201410727312 A CN 201410727312A CN 105716652 A CN105716652 A CN 105716652A
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- battery module
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- reversing switch
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Abstract
The invention provides a detector circuit, comprising a 6-hole socket (1), a reversing switch (2), an AL808 regulator (3), a first battery module (4), a current limiting resistor (5), a selector switch (6), a potentiometer (7), a second battery module (9), a power supply switch (10), a battery (11) and a charging port (12).
Description
Technical field
The present invention relates to a kind of detector circuit, it is adaptable to detection force value, strain, temperature, voltage (millivolt level), electric current (milliampere level) etc..
Background technology
At present in my institute's aircraft structure strength process of the test, also large-scale control system equipment, measurement device and other equipment being correlated with is used at experiment of weighing part, hanging test (need not load), monitoring inner gas pressure value of feedback, simple strain/displacement measurement and detection electric thermo-couple temperature, in order to save cost, improve efficiency thus developing a kind of detector.This detector can also measure the data of the multinomial type such as voltage (millivolt level), electric current (milliampere level).The digital multimeter measurement voltage, the electric current that use on market are easy to use, but owing to it is without amplifying circuit, for measuring voltage (millivolt level), electric current (milliampere level), precision is relatively low, if increasing figure place showing Agilent (Agilent), fluke (Fluke) instrument, then price is all more than ten thousand yuan, and digital multimeter can not measure the other types data such as temperature, strain, therefore, it is necessary to develop one close with ordinary numbers circuit tester, volume is little, easy to carry, and has detection comparatively accurately a kind of detector.
Summary of the invention
(1) goal of the invention
It is an object of the invention to provide a kind of portable type measuring instrument, be used for measuring the polymorphic type numerical value such as force value, strain, voltage (millivolt level), electric current (milliampere level).
A kind of detector circuit, it is characterised in that include 6 spring hole scokets (1), reversing switch (2), AL808 actuator (3), the first battery module (4), current-limiting resistance (5), select switch (6), potentiometer (7), the second battery module (9), on and off switch (10), battery (11), charge port (12)；
Charge port connects and is connected with the input of battery；
Battery output two on and off switch in parallel are connected on the input of the first battery module and the second battery module；
The both positive and negative polarity of the second battery module outfan is respectively connected in the both positive and negative polarity of input of AL808 actuator；
The forward outfan of the first battery module is leaded up to current-limiting resistance and is linked on potentiometer 7-2 contact, and another road is accessed in 6 spring hole scoket 1-1 holes, and its negative sense accesses in 6 spring hole scoket 1-4 holes；
7-1 and 7-3 contact in potentiometer is respectively through selecting upper 2-2 and the 2-5 contact accessed in reversing switch of switch；
The 2-1 position of reversing switch, the 2-1 position of reversing switch and the conducting of 2-6 position are accessed in 6 spring hole scoket 1-2 holes；The 17th of AL808 actuator is accessed in 1-3 hole；1-5 hole is accessed in 2-3,2-4 position of reversing switch；1-6 hole is accessed on the 20th of AL808 actuator；
The 19th of AL808 actuator is accessed in the 2-2 position of reversing switch；The 18th of AL808 actuator is accessed in 2-5 position.
Further, also including detection hole (8), detection hole is respectively connected on 2-2 position and the 2-5 position of reversing switch, is primarily to use digital multimeter detection numerical value and provides convenient.
Further, the first battery module adopts DF512S5 battery module, and the first battery module adopts DF512S24 battery module.DF512S5 battery module, mainly gives and provides 5V bridge pressure when measuring force value or strain.DF512S24 battery module, mainly provides 24V DC voltage to AL808 actuator.
Compared with prior art have the advantage that or good effect
In actual applications, this invention solves a currently used equipment can measure the equipment of eurypalynous numerical value, and cost performance is high, and solves digital voltmeter and can not measure voltage (millivolt level) and the problem of electric current (milliampere level).With multiple sensors adapted, can forming simple in construction, easy to operate special detection device, internal battery makes detector can work without civil power when, and capacity of resisting disturbance is strong, and the occasion being particularly suitable for inclement condition uses, and has good economic benefit.
Accompanying drawing explanation
Fig. 1 is detector circuit connection diagram.Wherein, 16 spring hole scokets, 2 reversing switches (K3), 3 AL808 actuators, 4 DF512S5 battery modules, 5 current-limiting resistances (R), 6 select switch (K2), 7 potentiometers, 8 detection holes, 9 DF512S24 battery modules, 10 on and off switch (K1), 11 batteries (16.8V, 3200mAh), 12 charge port.
Detailed description of the invention
Wherein:
16 spring hole scokets, measuring different types of numerical value (force value, strain, thermocouple, voltage, electric current etc.), select different jacks to carry out signal input/output use；
2 reversing switch K3, expand instrument indication range, can show-1999 to 9999 under normal circumstances, and after increasing reversing switch, displayable range is: ± 9999；If input signal is timing, then 2 connects 1,5 and connect 4 measurements；If input signal is for time negative, 2 connect 3,5 connects 6 measurements.
3 AL808 actuators, by the object of test different types, parameter, the numerical value of display testee that input sets, and increase/reduce the numerical value of flicker charactron, be referred to this device description book；
4 DF512S5 battery modules, provide 5V voltage to potentiometer；
5 current-limiting resistance R, resistance is 20k Ω, is controlled within the scope of 0 20mA by electric current；
6 select switch K2, when measurement force transducer, foil gauge, magnetic field strength transducer return to zero, need Guan Bi；When measuring electric current, voltage, temperature, it is not necessary to during zeroing, then disconnect；
7 potentiometers, act the effect of the size regulating voltage (containing DC voltage and signal voltage) and electric current；
8 detection holes, for detecting whether input signal exceedes the range of signal having inputted setting, available circuit tester is tracked detecting whether to go beyond the scope.When sensor returns to zero, also can detect with circuit tester, follow the tracks of zeroing (returning to zero with the knob on potentiometer), before zeroing, if sensor feedback is beyond actuator indication range, first available circuit tester displays by detecting hole, after being transferred in actuator indication range, then do not need circuit tester to show, act primarily as the effect providing easy to detect.
9 DF512S24 battery modules, provide 24V DC voltage to AL808 actuator；
10 on and off switch K1, for the effect that control circuit is power on/off；
11 rechargeable batteries (14.4V, 3500mA), power to circuit.
12 charge port, the effect that external power supply charges the battery.
This inventive method is divided into following steps when being embodied as:
As it is shown in figure 1, charge port is connected on battery, in order to charge to rechargeable battery；
A) battery output is connected on two battery modules by and off switch K1；
B) both positive and negative polarity of DF512S24 battery module is respectively connected in the both positive and negative polarity of the input of AL808 actuator；
C) the forward output of battery module DF512S5 is leaded up to current-limiting resistance R and is linked on potentiometer 7-2, and a road is accessed in 6 spring hole scoket 1-1 holes, and its negative sense accesses in 6 spring hole scoket 1-4 holes；
D) contact of 7-1 and the 7-3 in potentiometer accesses and selects on switch K2, remains two contacts and access 2-2 and the 2-5 in reversing switch K3 in its K2；
E) detection hole is respectively connected on 2-2 position and the 2-5 position of reversing switch K3；
F) the 2-1 position (the 2-1 position of reversing switch K3 and the conducting of 2-6 position) of reversing switch K3 is accessed in 6 spring hole scoket 1-2 holes；The 17th of AL808 actuator is accessed in 1-3 hole；1-5 hole is accessed in 2-3,2-4 position of reversing switch K3；Position, 1-6 hole is accessed on the 20th of AL808 actuator；
G) the 19th of AL808 actuator is accessed in the 2-2 position of reversing switch K3；The 18th of AL808 actuator is accessed in 2-5 position；
H) according to different sensors, needs arrange corresponding parameter, detector directly displays corresponding physical quantity, and intelligent digital display major parameter has: input signal types, input reference signal, input signal up/down limit, primary input translation correction value, scaling position and filter factor etc.；
I) thermocouple detection temperature
Thermocouple is inserted 1-2,1-5 position of 6 spring hole scokets.1-2 position is linked into the 19th in AL808 actuator by reversing switch 2-1 to 2-2, and 1-5 position is linked on the 18th in AL808 actuator by reversing switch 2-4 to 2-5, and its dut temperature shows on AL808 actuator；Indication range-100.0 DEG C---800.0 DEG C, certainty of measurement ± 0.2%；
J) thermal resistance detection temperature
Select 1-2,1-5,1-6 position of 6 spring hole scokets, 1-2 position is linked into the 19th in AL808 actuator by reversing switch 2-1 to 2-2,1-5 position is linked on the 18th in AL808 actuator by reversing switch 2-4 to 2-5,1-6 position is directly connected on the 20th in AL808 actuator, indication range-199.9 DEG C--600 DEG C, certainty of measurement ± 0.2%；
K) magnetic probe detection magnetic field intensity is surveyed
Select 1-1,1-3,1-4 position of 6 spring hole scokets,
1) S pole is measured
2-1 and the 2-2 conducting of reversing switch K3,2-4 and 2-5 conducting；
2) N pole is measured
2-2 and the 2-3 conducting of reversing switch K3,2-5 and 2-6 conducting；
Selection is switched K2 Guan Bi, by the knob on potentiometer, sensor is returned to zero, then measure extreme value size again.Indication range 0---50.00MT (S, N) is demarcated with this meter of high accuracy；
L) force value sensor measurement force value
Sensor is accessed 1-1,1-2,1-4,1-5 position of 6 spring hole scokets.Wherein 1-1 (+), 1-4 (-) connect the positive and negative bridge line ball of sensor, 1-2 (+), 1-5 (-) position connects the positive and negative feedback holding wire of sensor.
1) pulling force is measured
2-1 and the 2-2 conducting of reversing switch K3,2-4 and 2-5 conducting, the feedback signal of sensor passes through reversing switch to AL808 actuator, and selection is switched K2 Guan Bi, then 7-1,7-3 position of potentiometer is linked on AL808 actuator on the 19th, 18 by selecting switch；
2) 2-2 and the 2-3 conducting of pressure reversing switch K3,2-5 and 2-6 conducting are measured, the feedback signal of sensor passes through reversing switch to AL808 actuator, and selection is switched K2 Guan Bi, then 7-1,7-3 position of potentiometer is linked on AL808 actuator on the 19th, 18 by selecting switch；
Sensor is returned to zero by the knob first passed through on potentiometer, then measures force value size again.If before zeroing, its actuator shows overproof scope, and available digital circuit tester first displays by detecting hole, until when adjusting in AL808 actuator indication range, indication range ± 99.99kN, certainty of measurement ± 0.2%；
M) arch extensometer measures displacement
Consistent with measuring force value connection.Gauge length 100mm, deflection ± 20mm, certainty of measurement ± 0.5%；
N) displacement measured by resistance-type displacement meter
Select 1-1,1-2,1-4,1-6 position of 6 spring hole scokets, stroke 0 10mm, certainty of measurement 0.5%；
O) voltage (millivolt level) is measured
Select 6 spring hole scokets 1-2 (+), 1-5 (-) position, measure 0-5V then select 6 spring hole scokets 1-2 (+), 1-6 (-) position；
P) DC current (milliampere level) is measured
Select 1-2,1-5 position of 6 spring hole scokets, and at the resistance of 1-2 position and one 500 ohm in parallel of 1-5 position.
Claims (3)
1. a detector circuit, it is characterised in that include 6 spring hole scokets (1), reversing switch (2), AL808 actuator (3), the first battery module (4), current-limiting resistance (5), select switch (6), potentiometer (7), the second battery module (9), on and off switch (10), battery (11), charge port (12)；
Charge port connects and is connected with the input of battery；
Battery output two on and off switch in parallel are connected on the input of the first battery module and the second battery module；
The both positive and negative polarity of the second battery module outfan is respectively connected in the both positive and negative polarity of input of AL808 actuator；
The forward outfan of the first battery module is leaded up to current-limiting resistance and is linked on potentiometer 7-2 contact, and another road is accessed in 6 spring hole scoket 1-1 holes, and its negative sense accesses in 6 spring hole scoket 1-4 holes；
7-1 and 7-3 contact in potentiometer is respectively through selecting upper 2-2 and the 2-5 contact accessed in reversing switch of switch；
The 2-1 position of reversing switch, the 2-1 position of reversing switch and the conducting of 2-6 position are accessed in 6 spring hole scoket 1-2 holes；The 17th of AL808 actuator is accessed in 1-3 hole；1-5 hole is accessed in 2-3,2-4 position of reversing switch；1-6 hole is accessed on the 20th of AL808 actuator；
The 19th of AL808 actuator is accessed in the 2-2 position of reversing switch；The 18th of AL808 actuator is accessed in 2-5 position.
2. detector circuit according to claim 1, it is characterised in that also including detection hole (8), detection hole is respectively connected on 2-2 position and the 2-5 position of reversing switch.
3. detector circuit according to claim 1, it is characterised in that the first battery module (4) adopts DF512S5 battery module, the second battery module (9) adopts DF512S24 battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727312.2A CN105716652B (en) | 2014-12-03 | 2014-12-03 | A kind of detector circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727312.2A CN105716652B (en) | 2014-12-03 | 2014-12-03 | A kind of detector circuit |
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| Publication Number | Publication Date |
|---|---|
| CN105716652A true CN105716652A (en) | 2016-06-29 |
| CN105716652B CN105716652B (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410727312.2A Active CN105716652B (en) | 2014-12-03 | 2014-12-03 | A kind of detector circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253712A (en) * | 2021-07-06 | 2021-08-13 | 成都飞机工业（集团）有限责任公司 | Test loading control system and calibration method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205863U (en) * | 1987-03-28 | 1988-02-17 | 国营南京尧辰机械厂 | Digital temperature range measurer |
| CN1093048A (en) * | 1994-03-18 | 1994-10-05 | 北京交通大学 | Monitoring and discriminating system for shaft temperature |
| US20090171170A1 (en) * | 2007-12-28 | 2009-07-02 | Nellcor Puritan Bennett Llc | Medical Monitoring With Portable Electronic Device System And Method |
| CN202255275U (en) * | 2011-10-17 | 2012-05-30 | 北京铁科工程检测中心 | Portable strain measurement instrument |
| CN202339403U (en) * | 2011-11-09 | 2012-07-18 | 四川海天仪表电器开发有限公司 | Universal electric instrument detector for vehicle chassis |
-
2014
- 2014-12-03 CN CN201410727312.2A patent/CN105716652B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205863U (en) * | 1987-03-28 | 1988-02-17 | 国营南京尧辰机械厂 | Digital temperature range measurer |
| CN1093048A (en) * | 1994-03-18 | 1994-10-05 | 北京交通大学 | Monitoring and discriminating system for shaft temperature |
| US20090171170A1 (en) * | 2007-12-28 | 2009-07-02 | Nellcor Puritan Bennett Llc | Medical Monitoring With Portable Electronic Device System And Method |
| CN202255275U (en) * | 2011-10-17 | 2012-05-30 | 北京铁科工程检测中心 | Portable strain measurement instrument |
| CN202339403U (en) * | 2011-11-09 | 2012-07-18 | 四川海天仪表电器开发有限公司 | Universal electric instrument detector for vehicle chassis |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253712A (en) * | 2021-07-06 | 2021-08-13 | 成都飞机工业（集团）有限责任公司 | Test loading control system and calibration method |
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| CN105716652B (en) | 2018-01-16 |
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