CN204903687U - Multi -functional portable signal break -make shows tester - Google Patents
Multi -functional portable signal break -make shows tester Download PDFInfo
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- CN204903687U CN204903687U CN201520543394.5U CN201520543394U CN204903687U CN 204903687 U CN204903687 U CN 204903687U CN 201520543394 U CN201520543394 U CN 201520543394U CN 204903687 U CN204903687 U CN 204903687U
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Abstract
The utility model discloses a multi -functional portable signal break -make shows tester, include DC power supply, voltage stabilizing circuit, LED, buzzer alert circuit and fill discharge mode change over switch. Wherein, but DC power supply supply power for voltage stabilizing circuit for the rechargeable lithium -ion battery power, output 5V DC signal, 5V signal makes the LED on the the corresponding signal light through is got back to the tester by the measurement station, the buzzer suggestion that pipes simultaneously, and the tester is furnished with the discharge mode change over switch of filling, under the electric quantity condition inadequately, can charge to the lithium cell. The utility model discloses an actual solder joint position of visual display measured signal, the tester has designed the matrix LED display mode of 102 points, can satisfy the needs of most of phenomenons tests. The utility model discloses an advantage does: simple structure, the volume is gently little, and built -in battery conveniently carries, can realize multiple functions through interface converting, can be applicable to the demand of most of on -the -spot test, has played certain positive role to the solution of practical problem.
Description
Technical field
The utility model relates to a kind of tester, specifically, is a kind of portable signal on off test instrument.
Background technology
At present, Aerospace test equipment, when project field adjustable, often carries out welding amendment because of the change of field condition to the wiring of testing apparatus.For ensureing the safety of measurand, for amended equipment, have to pass through corresponding signal testing qualified after could continue use.This just requires will have a kind of signal break-make of portable multifunctional and the testing tool of display to realize the test of field wiring.
Utility model content
In order to solve the problem, the utility model proposes a kind of portable multifunctional signal break-make display tester, meeting the demand of on-site signal on off test.
A kind of portable multifunctional signal break-make display tester, is characterized in that: comprise direct supply, mu balanced circuit, light emitting diode and hummer warning circuit.
The output terminal of described direct supply is connected with the input end of mu balanced circuit; The output terminal of mu balanced circuit is connected with the input end of measurand.Light emitting diode has n, adopts matrix arrangement display module.Wherein, the positive pole electric connector shell A of a light emitting diode is connected; The positive pole of all the other light emitting diodes is connected with the corresponding contact of electric connector A.The negative pole of light emitting diode is all connected to the base stage of triode through current-limiting resistance; The emitter of triode connects the signal input pin of hummer, the signal output pin ground connection of hummer.
Above-mentioned direct supply is that chargeable lithium cell power supply is powered to mu balanced circuit, and export 5V direct current signal, 5V signal gets back to tester through measured point, and the light emitting diode on corresponding signal is lighted, buzzer call prompting simultaneously; And direct supply adopts chargeable lithium cell, is furnished with charge and discharge mode switch, when electricity deficiency, can charges to lithium battery.The utility model is in order to intuitively show the actual bond pad locations of measured signal, and tester devises the matrix LED display mode of 102 points, can meet the needs of most of phenomenon test.
The utility model has the advantage of:
1, the utility model tester, structure is simple, and volume is gently little, and internal battery is convenient for carrying, and can realize several functions by interface conversion;
2, the utility model tester, by the situation of practical application, goes for the demand of most of on-the-spot test, serves certain positive role to the solution of practical problems.
Accompanying drawing explanation
Fig. 1 is the utility model portable multifunctional signal break-make display tester structured flowchart;
Fig. 2 is DPTT double-pole triple throw switch structure diagram in the utility model portable multifunctional signal break-make display tester.
In figure:
1-direct supply 2-mu balanced circuit 3-light emitting diode
4-hummer warning circuit 5-charge and discharge mode switch 6-electric connector A
7-electric connector B8-electric connector C9-electric connector D
10-signal transducer 11-measurand 12-charger
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
The utility model portable signal on off test instrument, comprises direct supply 1, mu balanced circuit 2, light emitting diode (LED) 3, hummer warning circuit 4 and charge and discharge mode switch 5, as shown in Figure 1;
Wherein, direct supply 1 adopts chargeable lithium cell power supply, for exporting direct current signal; The output terminal of direct supply 1 is connected with the input end of mu balanced circuit 2.
Mu balanced circuit 2 is converted to 5V direct current signal for the direct current signal exported by direct supply 1, and output terminal is connected with the input end of measurand, and phase measurand exports 5V DC signal output.Whether mu balanced circuit 2 output terminal also connects the positive pole of 5V signal LED light by divider resistance, the negative pole of 5V signal LED light is connected to ground, normally exported by the 5V signal after LED light instruction voltage stabilizing.
There are in the utility model 102 light emitting diodes 3, adopt matrix arrangement display module, intuitively can show the actual bond pad locations of measured signal, meet the needs of most of phenomenon test.In 102 light emitting diodes 3, the positive pole of 101 light emitting diodes 3 is connected with 1 to 101 contacts of electric connector A6 respectively, and the positive pole of the 102nd light emitting diode 3 is connected with electric connector A6 shell.During use, 1 to 101 contacts of electric connector A6 are connected with 1 to 101 contacts of electric connector B7 in signal transducer 10; Electric connector C8 (the electric connector C8 pin number that the pin number of electric connector C8 uses with reality is as the criterion) on measurand 11 (cable or equipment) signal panel is corresponding with the electric connector D9 on signal transducer 10, and the pin number of electric connector D9 is identical with the pin number of electric connector C8; The signal panel thus achieving measurand 11 1 ~ n (n can not be greater than 101) the individual signal pins in connector C8 that powers on connects one to one with the LED of 1 ~ n on tester, set up 1 to 1 signal be connected.Such as, electric connector C8 is J14-38TK, so, electric connector D corresponding is with it that J14-38ZJ connects, now, 38 signal pins that the signal panel achieving measurand 11 powers in connector C8 connect one to one with the LED of 1 ~ 38 on tester, set up 1 to 1 signal be connected, 1 point on 1 corresponding tester namely in measurand 11 on signal panel; If electric connector C8 is J14-74TK, then 74 signal pins achieved in the electric connector C in measurand on signal panel connect one to one with the LED of 1 ~ 74 on tester, set up 1 to 1 signal be connected.Contrast wiring design table is namely by the period information of LED display.
The negative pole of above-mentioned 102 light emitting diodes is all connected to the base stage of triode through current-limiting resistance, control triode whether conducting; The emitter of triode connects the signal input pin of hummer, the signal output pin ground connection of hummer.If measurand is connected conducting with certain point of tester, the LED that corresponding signal is corresponding lights, and this signal will make triode be in conducting state, and buzzer call is pointed out.
Charge and discharge mode switch is used for realizing when electricity deficiency, carries out charge or discharge control to lithium battery.In the utility model, charge and discharge mode switch adopts DPTT double-pole triple throw switch, as shown in Figure 2, switches the charge/discharge pattern of lithium battery, and power-down mode.When DPTT double-pole triple throw switch is in blank state, be the power-down mode of lithium battery.Under charge mode, DPTT double-pole triple throw switch input pin (No. 1 pin) connects with the positive pole of charger 12, and under charge mode, DPTT double-pole triple throw switch input pin (No. 4 pins) connects with the negative pole of charger 12; Under discharge mode state, the output pin (No. 3 pins) of DPTT double-pole triple throw switch connects with the input pin of mu balanced circuit 2, and under discharge mode state, the output pin (No. 6 pins) of DPTT double-pole triple throw switch connects with the voltage output pin of mu balanced circuit 2; DPTT double-pole triple throw switching battery discharge and recharge pin (No. 2 pins) connects with lithium battery anode, and DPTT double-pole triple throw switching battery discharge and recharge pin (No. 5 pins) connects with cathode of lithium battery.
The utility model portable multifunctional signal break-make shows tester in use:
First be connected with the electric connector 2 of signal transducer by the electric connector 1 in portable multifunctional signal break-make display tester, the connector 3 that simultaneously powered on by the signal panel of measurand is connected with the electric connector 4 on signal transducer; If certain some conducting of the shell of measurand and measurand, that is, there is the point linked together measurand inside, 102 points on the corresponding tester of point of so this conducting, that is, the 102nd LED be connected with electric connector 1 shell.
When the 5V output terminal of tester is connected conducting with measurand respective point, 5V signal gets back to tester through measurand respective point, and the LED that corresponding signal is corresponding lights, buzzer call prompting simultaneously.At this moment, tester can contrast according to wiring design table the signal that LED lights and whether correctly judges that whether wiring is correct.
Claims (6)
1. a portable multifunctional signal break-make display tester, is characterized in that: comprise direct supply, mu balanced circuit, light emitting diode and hummer warning circuit;
The output terminal of described direct supply is connected with the input end of mu balanced circuit; The output terminal of mu balanced circuit is connected with the input end of measurand; Light emitting diode has n, adopts matrix arrangement display module; Wherein, the positive pole electric connector shell A of a light emitting diode is connected; The positive pole of all the other light emitting diodes is connected with the corresponding contact of electric connector A; The negative pole of light emitting diode is all connected to the base stage of triode through current-limiting resistance; The emitter of triode connects the signal input pin of hummer, the signal output pin ground connection of hummer.
2. a kind of portable multifunctional signal break-make shows tester as claimed in claim 1, it is characterized in that: described direct supply adopts chargeable lithium cell, controls discharge and recharge by charge and discharge mode switch.
3. a kind of portable multifunctional signal break-make shows tester as claimed in claim 1, it is characterized in that: the output terminal of described mu balanced circuit connects the positive pole of pilot lamp, the minus earth of pilot lamp by divider resistance.
4. a kind of portable multifunctional signal break-make shows tester as claimed in claim 1, it is characterized in that: described light emitting diode is 102.
5. a kind of portable multifunctional signal break-make shows tester as claimed in claim 1, it is characterized in that: each contact of described electric connector A connects with the corresponding contact of electric connector B in signal transducer; Electric connector C on measurand signal panel is corresponding with the electric connector D on signal transducer.
6. a kind of portable multifunctional signal break-make shows tester as claimed in claim 2, it is characterized in that: described charge and discharge mode switch adopts DPTT double-pole triple throw switch to cut; When DPTT double-pole triple throw switch is in blank state, it is power-down mode; Under charge mode, an input pin of DPTT double-pole triple throw switch connects with the positive pole of charger, and another input pin connects with the negative pole of charger; The next output pin of discharge mode state connects with the input pin of mu balanced circuit, and another output pin connects with the output pin of mu balanced circuit; A battery charging and discharging pin connects with lithium battery anode, and another battery charging and discharging pin connects with cathode of lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543394.5U CN204903687U (en) | 2015-07-24 | 2015-07-24 | Multi -functional portable signal break -make shows tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543394.5U CN204903687U (en) | 2015-07-24 | 2015-07-24 | Multi -functional portable signal break -make shows tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903687U true CN204903687U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520543394.5U Active CN204903687U (en) | 2015-07-24 | 2015-07-24 | Multi -functional portable signal break -make shows tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192916A (en) * | 2017-05-25 | 2017-09-22 | 中核（天津）机械有限公司 | Multi-part electrical property measures detection means |
-
2015
- 2015-07-24 CN CN201520543394.5U patent/CN204903687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192916A (en) * | 2017-05-25 | 2017-09-22 | 中核（天津）机械有限公司 | Multi-part electrical property measures detection means |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |