CN201314939Y - Route detection device - Google Patents
Route detection device Download PDFInfo
- Publication number
- CN201314939Y CN201314939Y CNU2008202123434U CN200820212343U CN201314939Y CN 201314939 Y CN201314939 Y CN 201314939Y CN U2008202123434 U CNU2008202123434 U CN U2008202123434U CN 200820212343 U CN200820212343 U CN 200820212343U CN 201314939 Y CN201314939 Y CN 201314939Y
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- China
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- triode
- test
- detection apparatus
- line detection
- selector switch
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Abstract
The utility model is suitable for the detection field, and provides a route detection device. The route detection device comprises a test pen, an amplifier module and a display module; the test pen is used for performing the electromagnetic induction test on a route to be detected and generating test signals; the amplifier module is connected with the output end of the test pen and used for amplifying the test signals; and the display module is connected with the output end of the amplifier module and used for displaying test results according to the test signals. In the utility model, a route mounting box is not required to be disassembled; the electromagnetic induction test is performed on the route to be detected by using the test pen and isolating the route mounting box; and whether the route to be detected is on state or not can be judged through observing whether the display module is luminous. The route detection device has the advantages of convenient detection and safety.
Description
Technical field
The utility model belongs to detection range, relates in particular to a kind of line detection apparatus.
Background technology
In our daily life; a certain section of usefulness electric line that runs into family through regular meeting thorny problem such as occur opening circuit; because present most of family all uses the circuit mounting box; can only the circuit mounting box be opened one by one in order to keep in repair the user with making a great fuss; seek the open circuit fault point more one by one; like this, the circuit in the family can be done changed beyond recognitionly.Therefore, such operation was both inconvenient, brought potential safety hazard also can for maintenance personal's personal safety.
The utility model content
The purpose of this utility model is to provide a kind of line detection apparatus, is intended to solve present detection to the household electricity circuit and has inconvenient and unsafe problem.
The utility model is achieved in that a kind of line detection apparatus, and described line detection apparatus comprises:
Test line is carried out the electromagnetic induction test, generate the test pen of test signal;
Be connected the amplification module that test signal is amplified with the output terminal of described test pen; And
Be connected the display module that shows test results according to test signal with the output terminal of described amplification module.
In said structure, also be provided with the handover module that the enlargement factor of test signal is selected between described test pen and the amplification module.
In said structure, described line detection apparatus also comprises:
The remote signal test module that the remote signal of remote control equipment is tested.
In said structure, described handover module comprises a selector switch, and the input end of described selector switch is connected with the output terminal of test pen by resistance, and described selector switch also comprises three output terminals.
In said structure, described amplification module comprises first triode, second triode, the 3rd triode and the 4th triode, the base stage of described first triode is connected with first output terminal of described selector switch, the base stage of the emitter of described first triode and second triode is connected with second output terminal of selector switch simultaneously, the base stage of the emitter of described second triode and the 3rd triode is connected with the 3rd output terminal of selector switch simultaneously, the emitter of described the 3rd triode is connected with the base stage of the 4th triode, the grounded emitter of described the 4th triode, described first triode, the collector of second triode and the 3rd triode is connected with the positive pole of direct supply simultaneously.
In said structure, described display module comprises a light emitting diode, the anode of described light emitting diode is connected with the collector of first triode, second triode, the 3rd triode and the positive pole of direct supply simultaneously, and the negative electrode of described light emitting diode is connected with the collector of the 4th triode.
In said structure, described remote signal test module comprises infrared receiving terminal and the 5th triode, first pin of described infrared receiving terminal connects the positive pole of direct supply and the anode of light emitting diode, the crus secunda of described infrared receiving terminal connects the base stage of the 5th triode, the tripod ground connection of described infrared receiving terminal, the negative electrode of the emitter sending and receiving optical diode of described the 5th triode, the grounded collector of described the 5th triode.
In the utility model, the circuit mounting box need not be taken apart, as long as across the circuit mounting box test line is carried out the electromagnetic induction test with test pen, promptly can whether luminous by display module, judge whether test line is in path, adopt this line detection apparatus to have easy to detect and safe characteristics.
Description of drawings
Fig. 1 is the structural drawing of the line detection apparatus that provides of the utility model embodiment;
Fig. 2 is the exemplary circuit figure of the line detection apparatus that provides of the utility model first embodiment;
Fig. 3 is the exemplary circuit figure of the line detection apparatus that provides of the utility model second embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the line detection apparatus that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant with the utility model.
Line detection apparatus comprises that test line is carried out electromagnetic induction to be tested, generate the test pen 101 of test signal, be connected with the output terminal of test pen 101, the amplification module 102 that test signal is amplified, be connected with the output terminal of amplification module 102, the display module 103 that shows test results according to test signal, as the utility model one embodiment, also be provided with the handover module 104 that the enlargement factor of test signal is selected between test pen 101 and the amplification module 102, line detection apparatus also comprises the remote signal test module 105 that the remote signal of remote control equipment is tested.
Fig. 2 shows the exemplary circuit structure of the line detection apparatus that the utility model first embodiment provides.
As the utility model one embodiment, handover module 104 comprises a selector switch S1, and the input end of selector switch S1 is connected with the output terminal of test pen 101 by resistance R 1, and selector switch S1 also comprises three output terminals.
The base stage of the first triode Q1 is connected with first output terminal of selector switch S1, the base stage of the emitter of the first triode Q1 and the second triode Q2 is connected with second output terminal of selector switch S1 simultaneously, the base stage of the emitter of the second triode Q2 and the 3rd triode Q3 is connected with the 3rd output terminal of selector switch S1 simultaneously, the emitter of the 3rd triode Q3 is connected with the base stage of the 4th triode Q4, the grounded emitter of the 4th triode Q4, the first triode Q1, the collector of the second triode Q2 and the 3rd triode Q3 is connected the minus earth of 3V direct supply with the positive pole of 3V direct supply simultaneously.
Remote signal test module 105 comprises infrared receiving terminal M1 and the 5th triode Q5.
By default, the input end of selector switch S1 and first output terminal are connected, because first output terminal is connected with the base stage of the first triode Q1, so will amplify through the first triode Q1, the second triode Q2, the 3rd triode Q3 and the 4th triode Q4 level Four from the test signal of selector switch S1 input; If the input end of selector switch S1 and second output terminal are connected, because second output terminal is connected with the base stage of the second triode Q2, so will be through the second triode Q2, the 3rd triode Q3 and three grades of amplifications of the 4th triode Q4 from the test signal of selector switch S1 input; If the input end of selector switch S1 and the 3rd output terminal are connected, owing to the 3rd output terminal is connected with the base stage of the 3rd triode Q3, so will amplify through the 3rd triode Q3 and the 4th triode Q4 two-stage from the test signal of selector switch S1 input.Therefore, the user can select the enlargement factor of test signal according to the power of test signal by adjusting selector switch S1.
When the utility model line detection apparatus is used for wireline inspection, the 3V voltage of direct supply is added to the first triode Q1 respectively, the second triode Q2, the collector of the 3rd triode Q3 and the 4th triode Q4, the collector of each triode is in reverse-bias state, the emitter of each triode is in the forward bias state, test pen 101 is carried out the electromagnetic induction test across the circuit mounting box to test line, if test the intact part of test line, test pen 101 can be sensed faint electrical signal of reaction, behind electrical signal of reaction process resistance R 1 and the selector switch S1, base stage input from the first triode Q1, for its base stage provides forward bias voltage, the first triode Q1 satisfies the condition of work of magnifying state, then, electrical signal of reaction is through the first triode Q1, the second triode Q2, after the 3rd triode Q3 and the 4th triode Q4 amplify step by step, from the collector output of the 4th triode Q4, D1 is luminous for the driven for emitting lights diode.Otherwise, if circuit-under-test is in off state, then the utility model line detection apparatus influence electricity signal input, the first triode Q1, the second triode Q2, the 3rd triode Q3 and the 4th triode Q4 all are in cut-off state, and light emitting diode D1 is not luminous.
When the utility model line detection apparatus is used for differentiating the usefulness electric line for " zero line " or " live wire ", test pen 101 is directly contacted with test line, when if test line is " live wire ", test pen 101 detected ac signals are through resistance R 1 current limliting, behind step-down and the selector switch S1, after the base stage input of the first triode Q1, for its base stage provides forward bias voltage, the first triode Q1 satisfies the condition of work of magnifying state, then, ac signal is through the first triode Q1, the second triode Q2, after the 3rd triode Q3 and the 4th triode Q4 amplify step by step, from the collector output of the 4th triode Q4, D1 is luminous for the driven for emitting lights diode.Otherwise,, illustrate that then test line is " zero line " if light emitting diode D1 is not luminous.
As another embodiment of the utility model, line detection apparatus also can not be provided with selector switch S1, and directly the output terminal of test pen 101 is connected through any one the base stage among resistance R 1 and the first triode Q1, the second triode Q2, the 3rd triode Q3 and the 4th triode Q4, so just fixed the enlargement factor of test signal, can not select as required, Fig. 3 shows the exemplary circuit structure of the line detection apparatus that the utility model second embodiment provides, its principle of work is the same with the principle of work of the foregoing description, here repeats no more.
When the utility model line detection apparatus is used for the remote signal test, if tested remote control equipment has infrared signal output, infrared receiving terminal M1 is converted into electric signal after receiving infrared signal, electric signal is transferred to the base stage of the 5th triode Q5 through the crus secunda 2 of infrared receiving terminal M1, amplify the back from its emitter output through the 5th triode Q5, D1 is luminous for the driven for emitting lights diode.Otherwise,, illustrate that then tested remote control equipment does not have infrared signal output if light emitting diode D1 is not luminous.
In the utility model embodiment, the circuit mounting box need not be taken apart, as long as across the circuit mounting box test line is carried out the electromagnetic induction test with test pen, promptly can whether luminous by display module, judge whether test line is in path, adopt this line detection apparatus to have easy to detect and safe characteristics.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1, a kind of line detection apparatus is characterized in that, described line detection apparatus comprises:
Test line is carried out the electromagnetic induction test, generate the test pen of test signal;
Be connected the amplification module that test signal is amplified with the output terminal of described test pen; And
Be connected the display module that shows test results according to test signal with the output terminal of described amplification module.
2, line detection apparatus as claimed in claim 1 is characterized in that, also is provided with the handover module that the enlargement factor of test signal is selected between described test pen and the amplification module.
3, line detection apparatus as claimed in claim 2 is characterized in that, described line detection apparatus also comprises:
The remote signal test module that the remote signal of remote control equipment is tested.
4, line detection apparatus as claimed in claim 3 is characterized in that, described handover module comprises a selector switch, and the input end of described selector switch is connected with the output terminal of test pen by resistance, and described selector switch also comprises three output terminals.
5, line detection apparatus as claimed in claim 4, it is characterized in that, described amplification module comprises first triode, second triode, the 3rd triode and the 4th triode, the base stage of described first triode is connected with first output terminal of described selector switch, the base stage of the emitter of described first triode and second triode is connected with second output terminal of selector switch simultaneously, the base stage of the emitter of described second triode and the 3rd triode is connected with the 3rd output terminal of selector switch simultaneously, the emitter of described the 3rd triode is connected with the base stage of the 4th triode, the grounded emitter of described the 4th triode, described first triode, the collector of second triode and the 3rd triode is connected with the positive pole of direct supply simultaneously.
6, line detection apparatus as claimed in claim 5, it is characterized in that, described display module comprises a light emitting diode, the anode of described light emitting diode is connected with the collector of first triode, second triode, the 3rd triode and the positive pole of direct supply simultaneously, and the negative electrode of described light emitting diode is connected with the collector of the 4th triode.
7, line detection apparatus as claimed in claim 6, it is characterized in that, described remote signal test module comprises infrared receiving terminal and the 5th triode, first pin of described infrared receiving terminal connects the positive pole of direct supply and the anode of light emitting diode, the crus secunda of described infrared receiving terminal connects the base stage of the 5th triode, the tripod ground connection of described infrared receiving terminal, the negative electrode of the emitter sending and receiving optical diode of described the 5th triode, the grounded collector of described the 5th triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202123434U CN201314939Y (en) | 2008-09-28 | 2008-09-28 | Route detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202123434U CN201314939Y (en) | 2008-09-28 | 2008-09-28 | Route detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201314939Y true CN201314939Y (en) | 2009-09-23 |
Family
ID=41126738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202123434U Expired - Fee Related CN201314939Y (en) | 2008-09-28 | 2008-09-28 | Route detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201314939Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508106A (en) * | 2011-12-02 | 2012-06-20 | 路长顺 | Intelligent detector of chest protector and working cap of armored vehicle station |
| CN104459282A (en) * | 2014-12-11 | 2015-03-25 | 柳州铁道职业技术学院 | Multifunctional circuit testing electroprobe |
| WO2017107556A1 (en) * | 2015-12-25 | 2017-06-29 | 深圳长城开发科技股份有限公司 | Electricity meter and live wire detection circuit |
-
2008
- 2008-09-28 CN CNU2008202123434U patent/CN201314939Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508106A (en) * | 2011-12-02 | 2012-06-20 | 路长顺 | Intelligent detector of chest protector and working cap of armored vehicle station |
| CN102508106B (en) * | 2011-12-02 | 2014-08-20 | 路长顺 | Intelligent detector of chest protector and working cap of armored vehicle station |
| CN104459282A (en) * | 2014-12-11 | 2015-03-25 | 柳州铁道职业技术学院 | Multifunctional circuit testing electroprobe |
| WO2017107556A1 (en) * | 2015-12-25 | 2017-06-29 | 深圳长城开发科技股份有限公司 | Electricity meter and live wire detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090923 Termination date: 20130928 |