CN204086357U - A kind of multimeter assistant voice report latch device - Google Patents
A kind of multimeter assistant voice report latch device Download PDFInfo
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- CN204086357U CN204086357U CN201420583796.3U CN201420583796U CN204086357U CN 204086357 U CN204086357 U CN 204086357U CN 201420583796 U CN201420583796 U CN 201420583796U CN 204086357 U CN204086357 U CN 204086357U
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- multimeter
- voice module
- control knob
- switch
- latch device
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Abstract
The utility model discloses a kind of multimeter assistant voice report latch device, it comprises a voice module (1), described voice module (1) is connected with loudspeaker (2), described voice module (1) is connected with switch (3), described switch (3) is connected with the control knob (4) on pen meter of universal meter, described control knob (4) is connected with the metal gauge outfit (5) of pen meter of universal meter, and described control knob (4) is connected with the afterbody plug (6) of pen meter of universal meter.Multimeter assistant voice report latch device in use, first the gear switch of the switch of voice reporting latch device and multimeter is coaxially installed, when multimeter is switched to a certain gear, the switch corresponding contacts of voice reporting latch device is connected, and all the other contacts disconnect.On test pencil, string has a control knob, control knob must be pressed during measurement, realize being communicated with of metal gauge outfit and afterbody plug, just can measure, and press control knob at every turn, voice reporting latch device will go out the current measurement gear of multimeter by voice broadcast, reminds user to note, avoid shifting gears and when makeing mistakes or again measure, forget the generation of shift occurances, effectively prevent the damage of multimeter, circuit-under-test and the generation of personal safety accident.
Description
Technical field
The utility model relates to a kind of voice reporting latch device, particularly a kind of multimeter assistant voice report latch device.
Background technology
The development of electric power, electronic technology is maked rapid progress, and in routine work life, people almost be unable to do without electric power, electronic product, and slip-stick artist, maintenance personal need regularly to carry out inspection and maintenance to electric power, electronic product.Multimeter is the basic tool of electric class inspection and maintenance work, is one of measuring instrument that frequency of utilization is the highest.
At present, the multimeter of domestic a large amount of use, mainly contains two kinds, i.e. simulated pointer multimeter and digimer.They all need the conversion of carrying out frequently measuring gear, such as are converted to resistance grade etc. from voltage gear in use.Sometimes user can careless missed shift position or spent a period of time and reuse when other amount measured by multimeter and forget converted measurement shelves, and multimeter or measured circuit is damaged or cause the generation of personal safety accident.At present, more domestic speech type multimeters have voice broadcast and measure numerical value function, and it is powerful, but its circuit is complicated, cost is high, and therefore price is higher, more difficult universal use in common maintenance of works personnel.
Utility model content
For above-mentioned the deficiencies in the prior art, the technical problems to be solved in the utility model is to provide a kind of multimeter assistant voice report latch device.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of multimeter assistant voice report latch device, it is characterized in that, comprise a voice module (1), described voice module (1) is connected with loudspeaker (2), described voice module (1) is connected with switch (3), described switch (3) is connected with the control knob (4) on pen meter of universal meter, described control knob (4) is connected with the metal gauge outfit (5) of pen meter of universal meter, and described control knob (4) is connected with the afterbody plug (6) of pen meter of universal meter.
Preferably, the GND port ground connection of described voice module (1), the vdd terminal mouth of described voice module (1) is connected with power Vcc 1, the VCC port of described voice module (1) is connected with the negative pole of diode D1, the positive pole of described diode D1 is connected with the negative pole of diode D2, the positive pole of described diode D2 is connected with described power Vcc 1, described power Vcc 1 is+5V, and described voice module (1) is the 28PIN module WTW-28P of WT588D sequence of speech single-chip microcomputer.
Preferably, the PWM+ port of described voice module (1) is connected with the positive pole of described loudspeaker (2), and the PWM-port of described voice module (1) is connected with the negative pole of described loudspeaker (2).
Preferably, the P01 port of described voice module (1) is connected with the contact 2G of described switch (3), the P02 port of described voice module (1) is connected with the contact 2B of described switch (3), the P03 port of described voice module (1) is connected with the contact 2C of described switch (3), the P05 port of described voice module (1) is connected with the contact 2F of described switch (3), the P06 port of described voice module (1) is connected with the contact 2E of described switch (3), the P07 port of described voice module (1) is connected with the contact 2D of described switch (3).
Preferably, the contact 2A of described switch (3) is connected with the contact 1D of described control knob (4).
Preferably, the contact 1C ground connection of described control knob (4), the contact 1B of described control knob (4) is connected with described metal gauge outfit (5), and the contact 1A of described control knob (4) is connected with the afterbody plug (6) of described test pencil.
Principle of work and the beneficial effect of a kind of multimeter of the utility model assistant voice report latch device are as follows:
Multimeter assistant voice report latch device in use, first the switch of multimeter assistant voice report latch device and the gear switch of multimeter are coaxially installed, when multimeter is switched to a certain gear, the corresponding contacts of the switch of multimeter assistant voice report latch device is connected, and all the other contacts disconnect.The test pencil of multimeter goes here and there a control knob comprising 2 normally opened contacts, and one of them normally opened contact is connected between the afterbody plug of metal gauge outfit and test pencil; Another normally opened contact one end ground connection, the other end is connected to the common port of switch.When user uses multimeter to measure, must control knob be pressed, the metal watch head and tail portion plug of test pencil is communicated with, could measure.And when pressing control knob, ground signalling, by another normally opened contact of button, sends the common port of switch to.The changer contact measuring gear corresponding due to current multimeter is connected with common port, and therefore ground signalling is sent to the corresponding port in voice module by switch.
That voice module adopts is the 28PIN module WTW-28P of WT588D sequence of speech single-chip microcomputer, WT588D is a speech chip with single-chip microcomputer kernel, its function is many, tonequality good, applied range, stable performance, there are MP3 control model, button control model, key combination control model, parallel port control pattern, a line serial ports control model, three line serial ports control models etc.In multimeter assistant voice report latch device, owing to needing the measurement gear of report few, mainly contain " resistance grade ", " shelves of direct voltage ", " alternating voltage shelves ", " DC current shelves ", " alternating current shelves ", " OFF shelves " etc., so adopt parallel port control pattern, its control method is simple, without the need to programming, only the contact of switch need be received respectively P01, P02, P03, P05, P06, P07 port of WTW-28P module, when certain Single port has ground signalling, WTW-28P module will play out the voice messaging being stored in appropriate address automatically.And voice messaging is the gear safety instruction information be loaded in down in advance by electronic download device in voice module WTW-28P, as " resistance grade ", " shelves of direct voltage ", " alternating voltage shelves " etc.User is when using multimeter to measure, generally first picking up test pencil presses control knob, then measured object is connected, and multimeter assistant voice report latch device will speech play information when pressing control knob, as " voltage gear ", " resistance grade " etc., forget the generation of shift occurances when user can be avoided to make mistakes due to gearshift or again measure, effectively can prevent the damage of multimeter, circuit-under-test and the generation of personal safety accident.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is multimeter assistant voice report latch device fundamental diagram.
Embodiment
Below in conjunction with drawings and Examples, technology implementation process of the present utility model is described further.
As shown in Figure 1, a kind of multimeter assistant voice report latch device, it is characterized in that, comprise a voice module 1, described voice module 1 is connected with loudspeaker 2, and described voice module 1 is connected with switch 3, and described switch 3 is connected with the control knob 4 on pen meter of universal meter, described control knob 4 is connected with the metal gauge outfit 5 of pen meter of universal meter, and described control knob 4 is connected with the afterbody plug 6 of pen meter of universal meter.
Preferably, the GND port ground connection of described voice module 1, the vdd terminal mouth of described voice module 1 is connected with power Vcc 1, the VCC port of described voice module 1 is connected with the negative pole of diode D1, the positive pole of described diode D1 is connected with the negative pole of diode D2, the positive pole of described diode D2 is connected with described power Vcc 1, and described power Vcc 1 is+5V, and described voice module 1 is the 28PIN module WTW-28P of WT588D sequence of speech single-chip microcomputer.
Preferably, the PWM+ port of described voice module 1 is connected with the positive pole of described loudspeaker 2, and the PWM-port of described voice module 1 is connected with the negative pole of described loudspeaker 2.
Preferably, the P01 port of described voice module 1 is connected with the contact 2G of described switch 3, the P02 port of described voice module 1 is connected with the contact 2B of described switch 3, the P03 port of described voice module 1 is connected with the contact 2C of described switch 3, the P05 port of described voice module 1 is connected with the contact 2F of described switch 3, the P06 port of described voice module 1 is connected with the contact 2E of described switch 3, and the P07 port of described voice module 1 is connected with the contact 2D of described switch 3.
Preferably, the contact 2A of described switch 3 is connected with the contact 1D of described control knob 4.
Preferably, the contact 1C ground connection of described control knob 4, the contact 1B of described control knob 4 is connected with described metal gauge outfit 5, and the contact 1A of described control knob 4 is connected with the afterbody plug 6 of described test pencil.
Above-described embodiment, just in order to technical conceive of the present utility model and feature are described, its objective is and is one of ordinary skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.The change of every equivalence done by the essence of the utility model content or modification, all should be encompassed in protection domain of the present utility model.
Claims (6)
1. a multimeter assistant voice report latch device, it is characterized in that, comprise a voice module (1), described voice module (1) is connected with loudspeaker (2), described voice module (1) is connected with switch (3), described switch (3) is connected with the control knob (4) on pen meter of universal meter, described control knob (4) is connected with the metal gauge outfit (5) of pen meter of universal meter, and described control knob (4) is connected with the afterbody plug (6) of pen meter of universal meter.
2. multimeter assistant voice report latch device according to claim 1, it is characterized in that: the GND port ground connection of described voice module (1), the vdd terminal mouth of described voice module (1) is connected with power Vcc 1, the VCC port of described voice module (1) is connected with the negative pole of diode D1, the positive pole of described diode D1 is connected with the negative pole of diode D2, the positive pole of described diode D2 is connected with described power Vcc 1, described power Vcc 1 is+5V, and described voice module (1) is the 28PIN module WTW-28P of WT588D sequence of speech single-chip microcomputer.
3. multimeter assistant voice report latch device according to claim 1, it is characterized in that: the PWM+ port of described voice module (1) is connected with the positive pole of described loudspeaker (2), the PWM-port of described voice module (1) is connected with the negative pole of described loudspeaker (2).
4. multimeter assistant voice report latch device according to claim 1, it is characterized in that: the P01 port of described voice module (1) is connected with the contact 2G of described switch (3), the P02 port of described voice module (1) is connected with the contact 2B of described switch (3), the P03 port of described voice module (1) is connected with the contact 2C of described switch (3), the P05 port of described voice module (1) is connected with the contact 2F of described switch (3), the P06 port of described voice module (1) is connected with the contact 2E of described switch (3), the P07 port of described voice module (1) is connected with the contact 2D of described switch (3).
5. multimeter assistant voice report latch device according to claim 1, is characterized in that: the contact 2A of described switch (3) is connected with the contact 1D of described control knob (4).
6. multimeter assistant voice report latch device according to claim 1, it is characterized in that: the contact 1C ground connection of described control knob (4), the contact 1B of described control knob (4) is connected with described metal gauge outfit (5), and the contact 1A of described control knob (4) is connected with the afterbody plug (6) of described test pencil.
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CN201420583796.3U CN204086357U (en) | 2014-10-08 | 2014-10-08 | A kind of multimeter assistant voice report latch device |
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CN201420583796.3U CN204086357U (en) | 2014-10-08 | 2014-10-08 | A kind of multimeter assistant voice report latch device |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104865431A (en) * | 2015-05-08 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | Universal meter measuring gear warning system |
CN107942116A (en) * | 2017-12-28 | 2018-04-20 | 优利德科技(中国)有限公司 | A kind of multi-function multimeter and its measuring method with voice control function |
CN109655648A (en) * | 2019-01-30 | 2019-04-19 | 李殿东 | A kind of multimeter and method with different acousto-optic hint difference measured values |
CN109959812A (en) * | 2019-04-28 | 2019-07-02 | 深圳市兴威帆电子技术有限公司 | The test pencil and control method of multimeter with measurement instruction function |
CN109959813A (en) * | 2019-04-28 | 2019-07-02 | 深圳市兴威帆电子技术有限公司 | The multimeter and its host and control method of changeable test pencil |
CN110568241A (en) * | 2019-09-30 | 2019-12-13 | 贵州电网有限责任公司 | anti-misoperation multimeter and use method thereof |
CN111693747A (en) * | 2020-07-23 | 2020-09-22 | 上海四达电子仪表有限公司 | Universal meter |
-
2014
- 2014-10-08 CN CN201420583796.3U patent/CN204086357U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104865431A (en) * | 2015-05-08 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | Universal meter measuring gear warning system |
CN107942116A (en) * | 2017-12-28 | 2018-04-20 | 优利德科技(中国)有限公司 | A kind of multi-function multimeter and its measuring method with voice control function |
CN109655648A (en) * | 2019-01-30 | 2019-04-19 | 李殿东 | A kind of multimeter and method with different acousto-optic hint difference measured values |
CN109959812A (en) * | 2019-04-28 | 2019-07-02 | 深圳市兴威帆电子技术有限公司 | The test pencil and control method of multimeter with measurement instruction function |
CN109959813A (en) * | 2019-04-28 | 2019-07-02 | 深圳市兴威帆电子技术有限公司 | The multimeter and its host and control method of changeable test pencil |
CN109959813B (en) * | 2019-04-28 | 2022-03-29 | 深圳市兴威帆电子技术有限公司 | Multimeter capable of switching meter pens, host and control method thereof |
CN109959812B (en) * | 2019-04-28 | 2022-03-29 | 深圳市兴威帆电子技术有限公司 | Meter pen of multimeter with measurement indication function and control method |
CN110568241A (en) * | 2019-09-30 | 2019-12-13 | 贵州电网有限责任公司 | anti-misoperation multimeter and use method thereof |
CN111693747A (en) * | 2020-07-23 | 2020-09-22 | 上海四达电子仪表有限公司 | Universal meter |
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