CN205157079U - WK -01 temperature output quantity and switching value tester - Google Patents
WK -01 temperature output quantity and switching value tester Download PDFInfo
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- CN205157079U CN205157079U CN201520867653.XU CN201520867653U CN205157079U CN 205157079 U CN205157079 U CN 205157079U CN 201520867653 U CN201520867653 U CN 201520867653U CN 205157079 U CN205157079 U CN 205157079U
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Abstract
WK -01 temperature output quantity and switching value tester, its characterized in that adopts the singlechip to connect bang -bang control ware, LED indicator, nixie display, button, fortune respectively and puts and consider the ripples circuit. The beneficial effects are that, the cooperation of tester and pressure type thermometer is used, can measure the pressure type thermometer output signal of the various models of 0 DEG C~150 DEG C of within ranges to can convert temperature digit direct indication into. Can detect pressure type thermometer control switch, possess four cluster switch volumes and detect the function. This instrument has the temperature output valve and observes conveniently, and the reading is directly perceived, accurate, it is poor to ignore, control switch detect the accuracy, reliably, vibration -resistant property advantage such as good. In addition because site environment vibration and disturb great, inside anti -interference and the shockproof function that increases of instrument, the assurance instrument does not receive external electromagnetism and vibration disturbance, has solved the drawback that pointer instrument digit is beated.
Description
Technical field
The utility model belongs to detection and on-line monitoring category apparatus structure technology automatically, being the high-new intelligent artifact that the detection demand for meeting intelligent grid measurement instrument is developed, being mainly used to the output quantity and the switching value operating point situation that detect transformer pressure type thermometer measurement instrument in emulation testing process.
Background technology
By consulting various technical information, the scene temperature that traditional sensing techniques just completes in above-mentioned functions exports measurement function.Without distant place output quantity self-adaptation and make and break contact measuring ability, temp control switch needs to check to scene.The measuring instrument needed when carrying out real-time detection and realistically displayed without adequacy test room.
Summary of the invention
The utility model is in order to overcome above-mentioned the deficiencies in the prior art, and provide a kind of WK-01 temperature output quantity and switching value tester, object is by real-time tester, and simulation commercial unit vibrates the impact test brought body temperature instrumentation under operation.Real-time simulation pressure type thermometer is temperature survey output valve under operation (vibration) state, and the error condition of set point working value carries out functional test.Prevent from the pressure type thermometer being not suitable with operational outfit to put in operational outfit to go, reduce the discontinuation rate of equipment in use.
The purpose of this utility model is solved by following technical solution.
WK-01 temperature output quantity and switching value tester, the utility model is characterised in that, adopts single-chip microcomputer to connect relay controller, LED indicator, nixie display, button, amplifier worry wave circuit respectively.
The utility model forms display unit by 58 segment numeral pipes and 4 LED diodes; Sealed in by a slice 74HC164 and go out chip controls 8 segment numeral pipe, 1,2 pin connect single-chip microcomputer serial data end, and 8 pin connect single-chip microcomputer serial clock terminal, and 3,4,5,6,10,11,12,13 pin meet charactron A, B, C, D, E, F, G, DP; (saving the pin of single-chip microcomputer), provide sheet to select control signal by single-chip microcomputer 6 I/O port PA0-PA5,9012 triodes carry out Current amplifier, thus realize the highlighted display of multidigit; Key part adopts 3 touch keys, one end ground connection, and the other end adds 5.1K pull-up resistor and directly accesses single-chip microcomputer collection, and namely button flicks is be high level, is low level when button is pressed.
Effect of the present utility model is, tester and pressure type thermometer with the use of, can measure the pressure type thermometer of the various models within the scope of 0 DEG C ~ 150 DEG C output signal, as Pt100, Cu50,4-20mA etc., and temperature digital can be converted to directly show.Can detect pressure type thermometer gauge tap, possess four groups of switching value functions.It is convenient that this instrument has temperature value output observation, and reading is directly perceived, accurate, no parallax, and gauge tap detects the advantages such as accurate, reliable, vibration-resistant property is good.This instrument can be widely used in the industries such as industrial processes, laboratory, R&D institution and medical and health and carry out the detection of pressure type thermometer.
The utility model real-time simulation pressure type thermometer carries out temperature survey output valve under equipment running status, for achieving the above object, the utility model has the digital test and measurement function of temperature value output when pressure type thermometer runs, output switch parameter value, Pt100, Cu50 thermal resistance signal conventional for pressure type thermometer, 4-20mA signal, switching value working value is shown on device digital indicator in real time.Reach the simulated effect required for verification.
The utility model comprises and is converted to temperature digital to signals such as Pt100, Cu50,4-20mA and directly shows.Different resistance, current signal are realized by the change of JPJ and K1 position switch.By discharge circuit, single-chip microcomputer process, is converted to 58 segment numeral temperature digitals and directly shows.
The utility model comprises and detecting pressure type thermometer gauge tap, is sealed in and go out chip controls 4 LED diodes to form display unit and to report to the police light when On-off signal signal by a slice 74HC164.
1, the utility model the key technical indexes:
1.1 measurement ranges: (0 ~ 150) DEG C.
1.2 accuracy classes: 0.5 grade.
1.3 conditions of work: environment temperature is (-30 ~+50) DEG C, relative humidity <90%.
1.4 display modes: numeral method.
1.5 working powers: AC220 × (1 ± 10%) V, frequency (50 ~ 60) Hz.
1.6 detector switch quantity: 4 groups.
1.7 input signals: Pt100, Cu50 signal or (4-20) mA signal;
1.8 mounting meanss: flush type;
1.9 bore size: 152
+ 1mm × 76
+ 1mm;
2.0 physical dimension: 160mm × 80mm × 80mm
3.1 ▼/-: parameter-1;
3.2 ▲ /+: parameter+1;
3.3SET/ is arranged: function setting key, acknowledgement key;
3.4 terminal connections are shown in figure;
Temperature output quantity after improvement and switching value tester adopt electronic type, Pt100 sensor is utilized to gather transformer top-oil temperature, be converted into digital temperature in real time to be shown by 4 Digital sum pipes, gauge internal is furnished with four groups of switch acquisition functions, can Real-time Collection switch motion dotted state, is indicated by four groups of pilot lamp, when switch disconnects, corresponding pilot lamp is evergreen, during make and break contact action, hummer sends prompt tone, and corresponding pilot lamp becomes redness, thus realizes sound-light prompting function.
In addition because site environment vibration and interference are comparatively large, the anti-interference and shockproof function that gauge internal increases, ensures that instrument is not by external electromagnetic and vibration interference, solves the drawback that pointer meters numeral is beated.
Accompanying drawing explanation
Fig. 1, Fig. 2 are that profile of the present utility model and panel are arranged;
Fig. 3 is according to mounting structure schematic diagram of the present utility model;
Fig. 4 is the temperature precision control method schematic diagram of self learning type of the present utility model;
Fig. 5 is steering logic figure of the present utility model;
Fig. 6 is JPJ position switch schematic diagram.
Embodiment
WK-01 temperature output quantity and switching value tester, the utility model is characterised in that, adopts single-chip microcomputer to connect relay controller, LED indicator, nixie display, button, amplifier worry wave circuit respectively.
The utility model forms display unit by 58 segment numeral pipes and 4 LED diodes; Sealed in by a slice 74HC164 and go out chip controls 8 segment numeral pipe, 1,2 pin connect single-chip microcomputer serial data end, and 8 pin connect single-chip microcomputer serial clock terminal, and 3,4,5,6,10,11,12,13 pin meet charactron A, B, C, D, E, F, G, DP; (saving the pin of single-chip microcomputer), provide sheet to select control signal by single-chip microcomputer 6 I/O port PA0-PA5,9012 triodes carry out Current amplifier, thus realize the highlighted display of multidigit; Key part adopts 3 touch keys, one end ground connection, and the other end adds 5.1K pull-up resistor and directly accesses single-chip microcomputer collection, and namely button flicks is be high level, is low level when button is pressed.
The utility model can detect oil level gage in laboratory, needs output quantity and the switching value of manually carrying out measurement oil thermometer in the past, needs the gear of constantly adjustment multimeter.And all signals access in the design by the utility model, instrument is all had to detect, intuitive and convenient.On-the-spot remote transfer signal also can be introduced main control by the design, namely can observe actual temperature and the switch motion situation of on-the-spot oil thermometer in master-control room, convenient and reliable.
Temperature output quantity after improvement and switching value tester adopt electronic type, Pt100 sensor is utilized to gather transformer top-oil temperature, be converted into digital temperature in real time to be shown by 4 Digital sum pipes, gauge internal is furnished with four groups of switch acquisition functions, can Real-time Collection switch motion dotted state, is indicated by four groups of pilot lamp, when switch disconnects, corresponding pilot lamp is evergreen, during make and break contact action, hummer sends prompt tone, and corresponding pilot lamp becomes redness, thus realizes sound-light prompting function.
In addition because site environment vibration and interference are comparatively large, the anti-interference function that gauge internal increases, ensures that instrument is not by external electromagnetic and vibration interference, solves the drawback that instrument indication value is beated.
The utility model concrete operation method
1, calibrate
Pin and key extremely display " 0P " in 2 seconds is set, it is bright that lamp is set, presses " ▽ " key and reduce to " 9300P ", press and key confirmation is set, auto-returned " 0P " state; Only need carry out once after calibration energising.
2, optimum configurations
2.1, under " 0P " state, press " ▽ " key to reduce to " 9998P ", press and key confirmation is set, enter and instrument inputting interface is set, four kinds of models are optional, be respectively " 4-20A " representative input 4-20mA signal, " P100r " representative input Pt100 signal, " Cu50 " representative input copper 50 signal, " 8-90r " representative input 800-9000 resistance signal (potentiometer output), (Pt100 signal and 4-20mA signal switching can switch by switching schematic diagram) by specifically needing to be selected by " ▽ " or " △ ", is pressed and arranges key confirmation and enter next step;
2.2, " 0u " or " 1u " representative with or without Control, Qian Zheyou, the latter does not have, by " ▽ " or " △ " select, press arrange key confirm enter next step; (WK-01 non-relay, as customizable in exported)
2.3, " 1n " state is that calibrating indicating instrument hop count is arranged, and except listed in 2.1 " 8-90r ", all the other be all " 1n ", and " 8-90r ", by instrument range setting, presses and arrange key confirmation and enter next step;
2.4, green DEG C of position display " F " representative enters range and arranges interface, selects range by " ▽ " or " △ ", presses to arrange key and confirm and return " 0P " state, and optimum configurations completes;
Be greater than " 1n " if arrange in 2.5 2.3, green position display " 1 " representative arranges the first calibration point, select by " ▽ " or " △ ", press and key confirmation is set, green position display " 2 " representative arranges the second calibration point, green position display " 0 " representative arranges the 10th calibration point, and green position display " 1 " representative arranges the 11st calibration point, by that analogy;
3, calibrating indicating instrument
3.1, under " 0P " state, press " ▽ " key to reduce to " 9999P ", press and arrange key confirmation, calibration lamp is bright, enters and arranges instrument inputting interface;
3.2, green DEG C of position display " F " represents calibration full scale signal (calibrate if do not need this step can press " △ " key skip), the sensor of adjustment input signal is as resistance box, signal generators etc. make input signal equal full scale signal, press arrange key confirm enter next step;
3.3, green position display " 0 " represents calibration 0 degree of signal (calibrate if do not need this step can press " △ " key skip), the sensor of adjustment input signal is as resistance box, signal generators etc. make input signal equal 0 degree of signal, press and key is set confirms and return " 0P " state, calibration lamp goes out, and calibrating indicating instrument completes; (note-20-140 DEG C, 0-160 DEG C range calculate with described in 3.3);
3.4, multistage calibration (when selecting in 2.3 to be greater than " 1n ", as XMZ-Y series)
3.4.1, green position display " 1 " represents calibration 10 degree of states, " 2 " represent 20, the like, " 0 " represents 100 degree, and " 1 " represents 110 degree.
3.5 press and arrange key and exit the state of setting and return normal condition, arrange lamp and go out.
Claims (2)
1.WK-01 temperature output quantity and switching value tester, is characterized in that, adopts single-chip microcomputer to connect relay controller, LED indicator, nixie display, button, amplifier worry wave circuit respectively.
2. WK-01 temperature output quantity according to claim 1 and switching value tester, is characterized in that, forms nixie display by 58 segment numeral pipes and 4 LED diodes; Sealed in by a slice 74HC164 and go out chip controls 8 segment numeral pipe, 1,2 pin connect single-chip microcomputer serial data end, 8 pin connect single-chip microcomputer serial clock terminal, 3,4,5,6,10,11,12,13 pin meet charactron A, B, C, D, E, F, G, DP, save the pin of single-chip microcomputer, there is provided sheet to select control signal by single-chip microcomputer 6 I/O port PA0-PA5,9012 triodes carry out Current amplifier, thus realize the highlighted display of multidigit;
Button adopts 3 touch keys, one end ground connection, and the other end adds 5.1K pull-up resistor and directly accesses single-chip microcomputer collection, and namely button flicks is be high level, is low level when button is pressed.
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CN201520867653.XU CN205157079U (en) | 2015-11-03 | 2015-11-03 | WK -01 temperature output quantity and switching value tester |
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CN201520867653.XU CN205157079U (en) | 2015-11-03 | 2015-11-03 | WK -01 temperature output quantity and switching value tester |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109557893A (en) * | 2017-09-26 | 2019-04-02 | 大陆汽车电子(长春)有限公司 | The diagnostic method and device of single switch signal for vehicle |
CN117031269A (en) * | 2023-08-17 | 2023-11-10 | 明瀚科技(苏州)有限公司 | Switch inspection device and inspection method |
-
2015
- 2015-11-03 CN CN201520867653.XU patent/CN205157079U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109557893A (en) * | 2017-09-26 | 2019-04-02 | 大陆汽车电子(长春)有限公司 | The diagnostic method and device of single switch signal for vehicle |
CN117031269A (en) * | 2023-08-17 | 2023-11-10 | 明瀚科技(苏州)有限公司 | Switch inspection device and inspection method |
CN117031269B (en) * | 2023-08-17 | 2024-03-08 | 明瀚科技(苏州)有限公司 | Switch inspection device and inspection method |
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