CN202018475U - Testing equipment capable of prompting signal connection - Google Patents
Testing equipment capable of prompting signal connection Download PDFInfo
- Publication number
- CN202018475U CN202018475U CN2010206944998U CN201020694499U CN202018475U CN 202018475 U CN202018475 U CN 202018475U CN 2010206944998 U CN2010206944998 U CN 2010206944998U CN 201020694499 U CN201020694499 U CN 201020694499U CN 202018475 U CN202018475 U CN 202018475U
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- terminal
- polarity
- connection terminal
- processing unit
- testing apparatus
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Abstract
The utility model discloses testing equipment capable of prompting signal connection, which comprises a display screen, a key, wiring terminals, a processing unit and a plurality of indicating devices, wherein the indicating devices are used for prompting the polarity of the wiring terminals, each indicating device is arranged around the corresponding wiring terminal and electrically connected with the processing unit, and the quantity/state of each indicating device is related to the polarity/function of each wiring terminal. The indicating devices are a plurality of luminescent devices. The luminescent devices are LED (Light-Emitting Diode) lamps with at least one color. The processing unit comprises a CPU (Central Processing Unit). Compared with the prior art, a user can be well guided to carry out correct wiring, so that testing errors and even the damage to the testing equipment or the tested equipment caused by wiring errors are avoided.
Description
Technical field
The utility model relates to field tests, and particularly a kind of signal that can carry out connects the testing apparatus of pointing out.
Background technology
Common testing apparatus (as tester, multimeter) comprises display screen, button, connection terminal, table rod.Connection terminal can be used to measure or the output electric signal, and electric signal comprises other signals such as voltage, electric current, resistance, frequency, thermopair, thermal resistance.Connect connection terminal by showing an excellent end, the other end connects equipment under test and finishes measurement or output function.When connecting polar signal, the positive-negative polarity of the signal of need distinguishing one from the other.
Existing technology is to put on polarity near the testing apparatus connection terminal, and uses the table rod of different colours in testing, such as indicating the table rod that anodal connection terminal inserts red table rod, indicates the connection terminal insertion black of negative signal; Perhaps the connection terminal of testing apparatus uses different colors, and red connection terminal connects positive signal, and the black connection terminal connects negative signal.These have all formed wiring standard, and the prompting user does not want mis-wired.Such method is for the situation of having only a set of connections terminal on connection terminal function singleness or the testing apparatus, and it can well distinguish the both positive and negative polarity of connection terminal; But for many set of connections terminal or connection terminal are arranged in the testing apparatus is multi-functional and may the reverse of polarity time, just can't realize correct differentiation.Prior art can't be intuitively succinct the connection terminal that allows the user correctly be connected to need, and can not allow the user understand how this distinguishes the positive-negative polarity connection terminal when connecting polar signal, be easy to generate maloperation, even cause testing or the damage of tested equipment.
Summary of the invention
Fundamental purpose of the present utility model provides a kind ofly can carry out the testing apparatus that signal connects prompting, and it can guide the user to carry out correct wiring well, avoids the test errors that causes because of wiring error even the damage of testing apparatus or equipment under test.
A kind of signal that can carry out connects the testing apparatus of pointing out, comprise: display screen, button, connection terminal and processing unit, also comprise the some indicating devices that are used to point out connection terminal polarity, described indicating device is arranged on around the corresponding connection terminal, and itself and processing unit are electrically connected, and the quantity/state of described indicating device is relevant with the polarity/function of connection terminal.
More preferably, described indicating device is several luminescent devices.
More preferably, described luminescent device is the LED lamp of at least a color.
More preferably, described processing unit comprises CPU.
Compared with prior art, the utility model is by installing the LED lamp of different colours around the connection terminal, and when the user connected polar signal at use test equipment, the flicker of LED modules with different colors lamp can accurately point out the user to be connected to the connection terminal of opposed polarity.The utility model can guide the user to carry out correct wiring well, avoids the test errors that causes because of wiring error even the damage of testing apparatus or equipment under test.
Description of drawings
Fig. 1 is the connection terminal of the utility model embodiment 1 and the synoptic diagram of LED lamp;
Fig. 2 carries out the process flow diagram that signal connects prompting for the testing apparatus of the utility model embodiment 1;
Fig. 3 is the connection terminal of the utility model embodiment 2 and the synoptic diagram of LED lamp;
Fig. 4 is the connection terminal of the utility model embodiment 3 and the synoptic diagram of LED lamp.
Embodiment
A kind of signal that can carry out connects the testing apparatus of pointing out, and comprising: display screen, button, table rod, connection terminal and processing unit, and to show an excellent end and connect connection terminal, the other end connects equipment under test; Also comprise the some indicating devices that are used to point out connection terminal polarity, described indicating device is arranged on around the corresponding connection terminal, and itself and processing unit be electrically connected, and the quantity/state of described indicating device is relevant with the polarity/function of connection terminal.
Connection terminal is to be used for measuring or the output electric signal, and electric signal comprises other signals such as voltage, electric current, resistance, frequency, thermopair, thermal resistance.Connect connection terminal by the excellent end of table during test, the other end connects equipment under test and finishes measurement or output function.More for function ratio, can survey the equipment of multiple electric signal, often the quantity of its connection terminal is a pair of incessantly, and the signal polarity of connection terminal is also not necessarily fixing, if therefore prompting does not intuitively tend to cause wiring error, thereby causes test to be interrupted.
The way of realization of indicating device is varied, and in the present embodiment, indicating device is a luminescent device, and only for giving an example, the utility model is not made qualification to this, as long as it guarantees to show connection terminal polarity.
In the present embodiment, processing unit is CPU; It both can be built-in, also can be external.
In the present embodiment, luminescent device is selected the LED lamp for use, and only for for example, it also can select the device that other can be luminous for use, and the utility model is not made qualification to this.
As Fig. 1, the testing apparatus in the present embodiment has a set of connections terminal: 2, two terminals of the first terminal 1 and second terminal are formed voltage gear.And the right side of 2 terminals respectively is provided with a LED lamp: be respectively first lamp 11 and second lamp 21.Here, the polarity of supposing two set of connections terminals all can change.
The reminding method that above-mentioned testing apparatus signal connects, its steps flow chart can be referring to Fig. 2.
1) user chooses function and the signal type that needs; In the present embodiment, the user selects the working voltage shelves, and the first terminal 1 is anodal, and second terminal 2 is a negative pole.
2) built-in CPU selects connection terminal according to function that chooses and signal type, and the polarity of definite respective terminal; In the present embodiment, built-in CPU selects the first terminal 1 and second terminal 2, and definite the first terminal 1 be positive pole, and second terminal 2 is a negative pole.
3) built-in CPU points out the polarity of corresponding connection terminal according to semaphore request control indicating device; In the present embodiment, first lamp, 11 shiny reds on built-in CPU control the first terminal next door and and begin flicker, generally continue 5 ~ 10 seconds, stop flicker afterwards.
4) user is according to 3) prompting, representing anodal table rod to insert the first terminal 1, the excellent insertion of the table of represent negative pole second terminal 2.The testing apparatus entering signal is measured or output state.
If the user selects the working voltage shelves once more, but this moment, the first terminal 1 was a negative pole, and second terminal 2 is anodal; Then built-in CPU controls second lamp, 21 shiny reds on second terminal, 2 next doors and begins flicker according to user's demand, generally continues 5 ~ 10 seconds.The user representing anodal table rod to insert second terminal 2, inserts first connection terminal 1 to the table rod of representing negative pole according to prompting.The testing apparatus entering signal is measured or output state.
In the present embodiment, two LED lamps all are arranged on the right side of corresponding wiring terminal, only for giving an example, in concrete enforcement, it also can be placed on left side or the upside or the downside etc. of corresponding wiring terminal, as long as it guarantees that the utility model is not made qualification to this around corresponding wiring terminal.
In the present embodiment, point out the polarity of terminal block terminal by the flicker of LED lamp; Only for giving an example; It can also be by other implementation, can grow brightly, promptly bright always as the LED lamp, points out the polarity of terminal block terminal, rather than just finishes several seconds of glimmering, so the utility model is not made qualification to this.
In the present embodiment, respectively there is a LED lamp on the connection terminal next door as indicating device, and only for giving an example, when specifically implementing, its quantity can be a plurality of, and the utility model is not made qualification to this.
In the present embodiment, the color of LED lamp is red, and only for giving an example, the utility model is not made qualification to it.During concrete enforcement, the LED lamp also can be other color, and first lamp 1 also can use different colors with second lamp 2, and the utility model is not made qualification to this.
As Fig. 3, the testing apparatus in the present embodiment has four connection terminals: the first terminal 1, second terminal 2, the 3rd terminal 3, the 4th terminal 4; And its right side respectively is provided with a LED lamp: first lamp 11, second lamp 21, the 3rd lamp 31, the 4th lamp 41.Suppose that above-mentioned connection terminal all can not the reverse of polarity, and the first terminal 1 is negative polarity for positive polarity, its excess-three terminal.And first lamp 11 is red, and its excess-three LED lamp is yellow.The connection terminal of the corresponding positive polarity of the lamp of shiny red; The connection terminal of the corresponding negative polarity of jonquilleous lamp.
The array mode of above-mentioned four terminals has: the first terminal 1 and second terminal 2; The first terminal 1 and the 3rd terminal 3, the first terminal 1 and the 4 several combinations of the 4th terminal.
Select the example that is combined as of the first terminal 1 and the 3rd terminal 3 with the user, illustrate that this testing apparatus carries out the step that signal connects prompting:
1) user chooses function and the signal type that needs; In the present embodiment, the user selects to use the first terminal 1 for anodal, and the 3rd terminal 2 is a negative pole.
2) built-in CPU selects connection terminal according to function that chooses and signal type, and the polarity of definite respective terminal; In the present embodiment, built-in CPU selects the first terminal 1 and the 3rd terminal 3, and definite the first terminal 1 be positive pole, and the 3rd terminal 2 is a negative pole.
3) built-in CPU points out the polarity of corresponding connection terminal according to semaphore request control indicating device; In the present embodiment, first lamp, 11 shiny reds on built-in CPU control the first terminal next door and and begin flicker, and control the 3rd lamp 31 glassy yellows on the 3rd terminal 3 next doors simultaneously, two lamps generally continue 5 ~ 10 seconds, stop flicker afterwards.
4) user is according to 3) prompting, representing anodal table rod to insert the first terminal 1, table rod insertion the 3rd terminal 3 testing apparatus entering signals measurement or the output state of represent negative pole.
The same method, when the user selected the first terminal 1 and 2 combinations of second terminal or selects the first terminal and the 4th terminal combination, first lamp 11 sent out a warning; Second lamp 21 or the 4th lamp 41 corresponding glassy yellows.
In the present embodiment, point out the polarity of terminal block terminal by the flicker of LED lamp; Only for giving an example; It can also be by other implementation, can grow brightly, promptly bright always as the LED lamp, points out the polarity of terminal block terminal, rather than just finishes several seconds of glimmering, so the utility model is not made qualification to this.
In the present embodiment, respectively there is a LED lamp on the connection terminal next door as indicating device, and only for giving an example, when specifically implementing, its quantity can be a plurality of, and the utility model is not made qualification to this.
Because the first terminal 1 is a positive polarity, so but the also other LED lamp of not establishing of the first terminal, only at the other LED lamp of setting of other three terminals, the first terminal 1 is during with certain terminal combination, and the other LED lamp of certain terminal will be light.
As Fig. 4, the testing apparatus in the present embodiment has four connection terminals: the first terminal 1, second terminal 2, the 3rd terminal 3, the 4th terminal 4; And its right side respectively is provided with a red LED lamp and a green LED lamp, and they are respectively: first red light 11, first green light 12; Second red light 21, second green light 22; The 3rd red light 31, the 3rd green light 32; Quatre lamp 41, the 4th green light 42.And polar switching all can take place in above-mentioned 4 connection terminals.
The array mode of above-mentioned four terminals has: the first terminal 1 and second terminal 2; The first terminal 1 and the 3rd terminal 3; The first terminal 1, second terminal 2 and the 3rd terminal 3; Multiple combinations such as the first terminal 1, second terminal 2, the 3rd terminal 3, the 4th terminal 4.
If the user selects the combination of the first terminal 1 and second terminal 2, and the first terminal 1 is anodal, second terminal 2 is a negative pole, then can be light by first red light 11 on the first terminal 1 side, second green light on second terminal, 2 sides is light, the user is pointed out, illustrate that the first terminal 1 is positive polarity, second terminal 2 is a negative polarity.
If the user selects the first terminal 1 and the combination of second terminal 2, and the first terminal 1 be negative pole, and second terminal 2 be anodal, and then the first terminal 1 second other green light 12 can be light, and first red lights, 21 meetings on second terminal, 2 sides are light.This kind prompting illustrates that the first terminal 1 is negative polarity, and second terminal 2 is a positive polarity.
If the user selects the first terminal 1, second terminal 2 and 3 combinations of the 3rd terminal, this array mode generally is used for the measurement or the output of 3 line systems of resistance, and it is ends of while connecting resistance that 2 connection terminals are wherein arranged, in addition the other end of 1 connection terminal connecting resistance.If the user selects the first terminal 1 and second terminal 2 to be the same end of resistance; The other end of the 3rd terminal 3 connecting resistances.Here, can pass through first red light 11 and second red light 21, and the 3rd green light 32 is light that the user is pointed out; Corresponding connection terminal connecting resistance one end that flashes the redlight simultaneously lights the other end of the connection terminal connecting resistance of green light correspondence.
If the user selects the first terminal 1, second terminal 2, the 3rd terminal 3,4 combinations of the 4th terminal, this kind combination generally is used for measuring or output resistance.If the user selects the first terminal 1, second terminal, 2 connecting resistances, one end, the other end of the 3rd terminal 3, the 4th terminal 4 connecting resistances.Here can light the lamp of same color by the first terminal 1, second terminal, 2 next doors, the 3rd terminal 3, the 4th terminal 4 next doors light the lamp of another kind of color the user are pointed out.
The testing apparatus of the foregoing description all has the table rod, and only for giving an example, in the specific implementation, this proving installation also can be with the table rod, so the present invention does not make qualification to this.
The utility model preferred embodiment just is used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is described embodiment.Obviously, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain principle of the present utility model and practical application better, thereby the technical field technician can utilize the utility model well under making.The utility model only is subjected to the restriction of claims and four corner and equivalent.
Claims (4)
1. one kind can be carried out the testing apparatus that signal connects prompting, comprise: display screen, button, connection terminal and processing unit, it is characterized in that: also comprise the some indicating devices that are used to point out connection terminal polarity, described indicating device is arranged on around the corresponding connection terminal, and itself and processing unit are electrically connected.
2. a kind of signal that can carry out according to claim 1 connects the testing apparatus of pointing out, and it is characterized in that: described indicating device is several luminescent devices.
3. a kind of signal that can carry out according to claim 2 connects the testing apparatus of pointing out, and it is characterized in that: described luminescent device is the LED lamp of at least a color.
4. a kind of signal that can carry out according to claim 1 connects the testing apparatus of pointing out, and it is characterized in that: described processing unit comprises CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206944998U CN202018475U (en) | 2010-12-31 | 2010-12-31 | Testing equipment capable of prompting signal connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206944998U CN202018475U (en) | 2010-12-31 | 2010-12-31 | Testing equipment capable of prompting signal connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018475U true CN202018475U (en) | 2011-10-26 |
Family
ID=44812144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206944998U Expired - Lifetime CN202018475U (en) | 2010-12-31 | 2010-12-31 | Testing equipment capable of prompting signal connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202018475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105684101A (en) * | 2013-11-01 | 2016-06-15 | 住友电装株式会社 | Electrical cable with identifying indication |
-
2010
- 2010-12-31 CN CN2010206944998U patent/CN202018475U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105684101A (en) * | 2013-11-01 | 2016-06-15 | 住友电装株式会社 | Electrical cable with identifying indication |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |
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| CX01 | Expiry of patent term |