CN201293805Y - AC voltage test pen - Google Patents
AC voltage test pen Download PDFInfo
- Publication number
- CN201293805Y CN201293805Y CNU2008201889234U CN200820188923U CN201293805Y CN 201293805 Y CN201293805 Y CN 201293805Y CN U2008201889234 U CNU2008201889234 U CN U2008201889234U CN 200820188923 U CN200820188923 U CN 200820188923U CN 201293805 Y CN201293805 Y CN 201293805Y
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- China
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- unit
- main control
- control unit
- alternating voltage
- voltage test
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- Expired - Lifetime
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Abstract
The utility model relates to an electric signal test device, in particular to an alternative current electric signal test device, which comprises a shell and a detection point at one end of the shell, wherein the detection point is connected with a receiving antenna unit which transmits received voltage signals to a main control unit; the main control unit is connected with a prompt unit; the main control unit and the prompt unit are connected with a power supply unit; and the main control unit is connected with a sensitivity regulation unit. The alternative current electric signal test device is characterized in that the sensitivity regulation unit is a button regulation unit. The sensitivity regulation function of the electric signal test device adopts two conductive buttons to regulate sensitivity, thereby prolonging the service life of the device significantly, and the regulation avoids using tools, to realize simple and fast usage. The default sensitivity at start of the alternative current electric signal test device can be set, and the regulation process has visual cues, to prompt about success operation and about the maximum or minimum sensitivity.
Description
Technical field
The utility model relates to a kind of electric signal testing apparatus, especially a kind of ac signal testing apparatus.
Background technology
At present, detect whether there is alternating voltage on the conductor, can use the detector of contact and contactless detector usually, the detector of contact-type need and conductor not insulated part directly contact, thereby whether the detection conductor exists alternating voltage.Whether contactless detector is to exist the electromagnetic field of variation to judge whether there is alternating voltage on the conductor near detecting conductor, does not need directly directly to contact with conductor.Therefore, more have superiority at the detector of the contactless detector of secure context than contact.
The noncontact voltage detector has sensitivity can be in harmonious proportion non-adjustable two types of sensitivity usually, uses sound (sense of hearing) indication and the mode using vision (vision) indication or use sound and vision to indicate simultaneously represents that detector detects the existence of voltage.This instrument belongs to the noncontact alternating voltage detector of sensitivity adjustable type, have vision indication and sound indication simultaneously, but different with same kind detector in the market is: on this function of sensitivity adjusting, what the latter used is that potentiometer is regulated, usually need belong to mechanical adjustment by instrument, because the access times of potentiometer are limited, be restricted the serviceable life of this sampling instrument, and use neither be too convenient.
Summary of the invention
One of the purpose of this utility model provides a kind of long service life, sensitivity adjusting alternating voltage test pen easily.
The utility model is to adopt following technical scheme:
Comprise shell and be located at the detection tip of shell one end, survey the most advanced and sophisticated receiving antenna unit that connects, the receiving antenna unit is sent to main control unit with the voltage signal that receives, main control unit is connected with Tip element, main control unit and Tip element connect power supply unit, main control unit connects a sensitivity adjusting unit, it is characterized in that: described sensitivity adjusting unit is the button regulon.
Preferably, comprise also between described receiving antenna unit and the main control unit that one is used to prevent that high-voltage signal from entering the isolated location of main control unit.
Preferably, described Tip element comprises auditory tone cues unit and visual cues unit.
Preferably, described shell is provided with portable folder and power switch.
Preferably, described auditory tone cues unit is a hummer.
Preferably, described visual cues unit is LED.
Preferably, comprise a cover body between described detection tip and the shell, surveying the tip is the extension of cover body.
Preferably, described detection tip is a hollow structure.
Preferably, described cover body is a transparent cover.
Preferably, described main control unit connects an operation indicating member.
Sensitivity adjusting function of the present utility model is to regulate level of sensitivity by two conduction buttons, just equally belong to electronic control with the button on the TV remote controller, can prolong greatly the serviceable life of this sampling instrument, owing to need not use more convenient and quicker by instrument.This instrument has the function that the sensitivity of start acquiescence is set, visual cues is arranged when regulating, expression operate successfully, when sensitivity adjusting to maximum or hour corresponding visual cues is arranged also, equal effect in the time of can reaching the potentiometer adjusting and the shortcoming when not using the potentiometer adjusting.
Description of drawings
Fig. 1 is the structural representation of the utility model first embodiment;
Fig. 2 is the functional module structure synoptic diagram of the utility model first embodiment.
The utility model purpose, function and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
As shown in Figure 1, first embodiment of the present utility model is included among Fig. 1, the contour structures of this instrument has comprised a cover body 2 of being made by light-passing plastic, the front end of cover body 2 has comprised and has comprised one and surveyed most advanced and sophisticated 1, button 3 is for being used to regulate sensitivity and two conduction buttons that the sensitivity of start acquiescence is set, housing 4 is the housing of quadric injection mould moulding, and portable folder 5 is for being contained in the clip on the housing, and switch 6 is the manual power switch of this instrument.
The mechanical mechanism parts of this instrument are all made by nonconducting plastics, be used to improve the security of instrument, wherein cover body 2 is a printing opacity cover body, be connected on the housing 4 with supersonic welding, the front end of cover has comprised surveys most advanced and sophisticated 1, surveying most advanced and sophisticated 1 is the extension of cover body 2, inside also is hollow, can embed an end of receiving antenna, be used to receive the energy that exchanges voltage radiation on the conductor, there is the transaudient aperture of a row in place near housing 4 on cover body 2, a part that has comprised wiring board in the inside of cover body 2, therefore weld light emitting diode and hummer on this part wiring board, detected the sound that to see the light emitting diode vision by cover when on the conductor alternating voltage being arranged and hear the hummer that aperture spreads out of from the cover when instrument.Button 3 is the conduction button that conductive rubber is arranged at two bottoms, be used for regulating the sensitivity of this instrument, make it become big or diminish, simultaneously can also acquiescence sensitivity after the each start of instrument be set by these two buttons, when button is pressed, conductive rubber on the button makes on the enclosure interior wiring board and the corresponding line short of button part, delivers to operation circuit thereby produce a voltage signal, and operation circuit produces corresponding action according to the signal of different key.Housing 4 is the housing of the quadric injection mould of boring, its mounted inside has wiring board, front end has welded transparent cover 2, portable folder 5 has been installed at the middle part, be convenient to this instrument is hung on user's the pocket, afterbody has been installed power switch 6, and the switch of the power unit on power switch 6 and the internal circuit board links to each other, and is used for manually start and shutdown.
In Fig. 2, the circuit function structure of this instrument has comprised following circuit unit: main control unit 7, form by single-chip microcomputer, and be used for the operation and the control of entire circuit system; Operation indicating member 8 has it to provide certain indication when user's operation push-button; Receiving antenna unit 9, one end are embedded into to be surveyed in most advanced and sophisticated 1, and the other end welds the position that signal in the circuit board enters, and is used to receive the electromagnetic energy that exchanges voltage radiation on the conductor; Isolated location 10 is used to prevent that high-voltage signal from entering control module from antenna element and damaging this instrument; Button regulon 11 is used and finishes corresponding button operation with the conduction button; Auditory tone cues unit 12 is used to produce auditory tone cues, and whether produces auditory tone cues by main control unit control; Visual cues unit 13 is used to produce visual cues, whether produces visual cues by main control unit control; Power supply 14 is used to each circuit unit of system that electric energy is provided.
Each circuit unit of this instrument all welds in the circuit board, and when this instrument power source was opened, the power supply list began to be each circuit unit power supply of instrument that whole line system brings into operation for 14 yuan.If this moment, the receiving antenna 9 of instrument embedded the close conductor in the position of surveying the tip, and have the ac voltage signal satisfy certain amplitude and frequency on this conductor, antenna will receive the energy of electromagnetic field that radiates from conductor, and convert the ac voltage signal of corresponding frequencies to, this signal is through entering into an A/D converter on the main control unit 7 behind the isolated location 10, main control unit detected after the signal of this receiving antenna, handle through certain calculation, the amplitude of this signal is compared with a threshold values of setting in advance with frequency, if signal amplitude also meets greater than threshold values and the frequency range set, main control unit 7 will send hint instructions, control sound Tip element 12 and visual cues unit 13 send corresponding auditory tone cues and visual cues, point out to the user to have ac voltage signal on the conductor.In the circuit function structure 14 is power supply module, it is used to system that electric energy is provided, can press power switch 6 by the user and open or close, when the user forgot powered-down, power module can also be closed to save power supply automatically by main control module.In the circuit function structure 8 and 11 is respectively operation indicating member and push-button unit, two buttons are wherein arranged in the push-button unit, a detection sensitivity that is used to increase instrument is crossed, another is used to reduce the detection sensitivity of instrument, when the user press wherein one, during individual button, push-button unit can send a particular level signal and deliver to main control module, main control unit judges it is which push button signalling earlier after receiving push button signalling, increases or reduce the detection sensitivity of instrument then accordingly.Simultaneously, when the user has button operation, main control unit is given an order and is made operation indicating unit 8 can produce the vision of certain frequency, expression has button operation, when the sensitivity adjusting of instrument to maximum or hour, main control unit makes the bright prompting sensitivity of the light-emitting diodes pipe range on the operation indicating unit 8 reach maximum or minimum again.When the user will be provided with the start acquiescence sensitivity of instrument, main control unit control operation unit 8 made its vision that produces another kind of frequency, and the prompting user is provided with success.When instrument was shut down automatically, main control unit can be controlled the sound and the visual cues of sound Tip element 12 and operation indicating unit 8 generation certain frequencies earlier, just sent instruction powered-down module then, thereby realized automatic the shutdown.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1, a kind of alternating voltage test pen, comprise shell and be located at the detection tip of shell one end, survey the most advanced and sophisticated receiving antenna unit that connects, the receiving antenna unit is sent to main control unit with the voltage signal that receives, main control unit is connected with Tip element, main control unit and Tip element connect power supply unit, and main control unit connects a sensitivity adjusting unit, it is characterized in that: described sensitivity adjusting unit is the button regulon.
2, alternating voltage test pen as claimed in claim 1 is characterized in that: comprise also between described receiving antenna unit and the main control unit that one is used to prevent that high-voltage signal from entering the isolated location of main control unit.
3, alternating voltage test pen as claimed in claim 1 or 2 is characterized in that: described Tip element comprises auditory tone cues unit and visual cues unit.
4, alternating voltage test pen as claimed in claim 1 or 2, it is characterized in that: described shell is provided with portable folder and power switch.
5, alternating voltage test pen as claimed in claim 3 is characterized in that: described auditory tone cues unit is a hummer.
6, alternating voltage test pen as claimed in claim 3 is characterized in that: described visual cues unit is LED.
7, alternating voltage test pen as claimed in claim 1 or 2 is characterized in that: comprise a cover body between described detection tip and the shell, surveying the tip is the extension of cover body.
8, alternating voltage test pen as claimed in claim 1 or 2 is characterized in that: described detection is most advanced and sophisticated to be hollow structure.
9, alternating voltage test pen as claimed in claim 7 is characterized in that: described cover body is a transparent cover.
10, alternating voltage test pen as claimed in claim 1 or 2 is characterized in that: described main control unit connects an operation indicating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201889234U CN201293805Y (en) | 2008-08-21 | 2008-08-21 | AC voltage test pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201889234U CN201293805Y (en) | 2008-08-21 | 2008-08-21 | AC voltage test pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293805Y true CN201293805Y (en) | 2009-08-19 |
Family
ID=41007288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201889234U Expired - Lifetime CN201293805Y (en) | 2008-08-21 | 2008-08-21 | AC voltage test pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293805Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655686A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of highly-safe novel detector bar |
| CN109655687A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of detector for high pressure detection |
-
2008
- 2008-08-21 CN CNU2008201889234U patent/CN201293805Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655686A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of highly-safe novel detector bar |
| CN109655687A (en) * | 2018-12-18 | 2019-04-19 | 米艾西(福建)测控技术有限公司 | A kind of detector for high pressure detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090819 |
|
| CX01 | Expiry of patent term |