CN200972490Y - Remote controlled simulation universal meter - Google Patents
Remote controlled simulation universal meter Download PDFInfo
- Publication number
- CN200972490Y CN200972490Y CN 200620045474 CN200620045474U CN200972490Y CN 200972490 Y CN200972490 Y CN 200972490Y CN 200620045474 CN200620045474 CN 200620045474 CN 200620045474 U CN200620045474 U CN 200620045474U CN 200972490 Y CN200972490 Y CN 200972490Y
- Authority
- CN
- China
- Prior art keywords
- multimeter
- coding
- distance type
- chip
- emulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A remote-controlled simulation multimeter comprises a simulation multimeter and a remote controller. The interior of the remote controller is arranged with a radio processing and transmitting module. The simulation multimeter comprises a multimeter box and a pointer of the meter head and a range switch; the interior of the multimeter box is provided with a radio receiving and processing module to receive the radio signals transmitted by the remote controller and drives the step motor to rotate the pointer of the meter head and the range switch so as to simulate the use of a multimeter. The volume of the remote-controlled multimeter can be big enough to enable students to observe and study on the various seats of the classroom; in addition, the remote control mode facilitates the teacher to explain and demonstrate in the classroom.
Description
[technical field]
The utility model relates to a kind of emulation multimeter, particularly about a kind of distance type emulation multimeter.
[background technology]
Along with the continuous expansion of school's enrollment scale, the situation that the student of a lot of classes gives a lesson at a lyceum jointly often appears.And existing teaching more and more pays attention to demonstration in kind, when for example explaining the use of multimeter, needs teacher's practical operation to demonstrate to the student.And existing multimeter volume in kind is all less, and in the lyceum that a lot of people give a lesson jointly, the student who sits in the back row is difficult to see clearly teacher's operation.In addition, when using actual multimeter to operate demonstration, the teacher needs hand-held always this multimeter, and therefore, it is very inconvenient to do demonstration in teaching.For this reason, be necessary to provide a kind of new technical scheme to overcome defective of the prior art.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of distance type emulation multimeter is provided.
The utility model is a kind of distance type emulation multimeter, and it comprises emulation multimeter and telepilot, is provided with the radio service haircut that is triggered by button and penetrates module in telepilot; This emulation multimeter comprises the multimeter casing and is arranged at casing interior meter pointer and range switch; In the multimeter casing, be provided with the radio reception processing module and receive the radio signal that telepilot sends, and drive motor drives meter pointer and range switch rotates.
Compared with prior art, the volume of the utility model distance type emulation multimeter can be enough big, is convenient to the student and observes on each seat and study in the classroom, and because it has realized remote control, be convenient to the teacher and explain on the classroom and demonstrate.
[description of drawings]
Fig. 1 is the structural representation of the utility model distance type emulation multimeter, wherein is represented by dotted lines the structure skeleton view of multimeter inside;
Fig. 2 is the structural representation of the telepilot of the utility model distance type emulation multimeter, wherein is represented by dotted lines the structure skeleton view of telepilot inside;
Fig. 3 is the wireless remote control radiating circuit schematic diagram of telepilot of the present utility model;
Fig. 4 is the basic block diagram of the wireless remote control radiating circuit of telepilot of the present utility model;
Fig. 5 is the radio remote control receiving circuit schematic diagram in the distance type emulation multimeter of the present utility model;
Fig. 6 is the basic block diagram of radio remote control receiving circuit of the present utility model;
Fig. 7 is the circuit structure diagram of the output table-drive head pointer stepper motor of the utility model radio remote control receiving circuit;
Fig. 8 is the circuit structure diagram that the output of the utility model radio remote control receiving circuit drives the range switch stepper motor.
[embodiment]
The utility model distance type emulation multimeter, it comprises emulation multimeter 1 and telepilot 2.
See also shown in Figure 1, emulation multimeter 1 of the present utility model is roughly the same with existing multimeter structure, it comprises multimeter casing 10, this multimeter casing 10 can be made by materials such as wooden or plastics, the size that it can amplify several times by the multimeter that reality is used, the concrete multiple of amplification can be decided by demand.The dial scale 11 of this emulation multimeter 1 can adopt digital filming to become digital photo by the multimeter that reality is used, be printed as especially big width of cloth colour picture again, colour picture is pasted on the panel 17 of table casing 10.Be provided with a meter pointer 12 in the inside of multimeter casing 10, it can be made by slim hollow aluminum pipe or plastic tube etc., its can be in scale dial plate 11 scopes of multimeter left-right rotation, be used to indicate the scale of multimeter.Be provided with an indicator four phase step motor 18 in multimeter casing 10 inside, this indicator stepper motor 18 is screwed with meter pointer 12.The panel 17 of multimeter casing 10 is provided with a range switch dial 14, and this range switch dial 14 can rotate on the panel 17 of multimeter casing 10.Be provided with a range switch four phase step motor 19 in multimeter casing 10, this range switch stepper motor 19 is fixing by screw and range switch dial 14.Be provided with a wireless remote control receiving processing module 13 in the multimeter case, the output of this wireless remote control receiving processing module 13 is connected to the input end of control circuit of the input end of control circuit of meter pointer stepper motor 18 and range switch stepper motor 19 respectively with control table head pointer stepper motor 18 and range switch stepper motor 19 respectively.In this emulation multimeter casing, be provided with power supply (not shown), side at the multimeter casing is provided with a switch 15, opens 15 on this switch and power supply is provided can for aforementioned pointer stepper motor 18 and range switch stepper motor 19 and wireless remote control receiving processing module 13.In the table tank surface individual power light 16 is arranged, whether open with the indication power supply.
See also shown in Figure 2, it is the telepilot 20 of the utility model distance type emulation multimeter, it comprises radio remote controller shell 21, and telepilot 20 is provided with turn clockwise button 22, meter pointer of meter pointer and is rotated counterclockwise turn clockwise button 24 and range switch of button 23, range switch and is rotated counterclockwise button 25.Front end at telepilot 20 is provided with an antenna 26.Be provided with radio service haircut in the inside of telepilot 20 and penetrate module 27, it is by battery 28 power supplies of 12 volts at a joint.
See also shown in Figure 3ly, it is the circuit theory diagrams of the processing transmitter module 27 in the telepilot 20 of the utility model distance type emulation multimeter.As shown in FIG., input signal was exported the wireless radiofrequency electric signal through rf output circuit after the operator pressed the control of remote controller key after handling interior coding of transmitter module and modulation, and this signal is launched through antenna.
See also shown in Figure 4ly, it is the basic circuit structure figure of the processing transmitter module 27 in the telepilot 20 of the utility model distance type emulation multimeter.It comprises a coding chip 271 and a transmitter module 272.What this coding chip 271 adopted in the present embodiment is that a kind of model is the coding chip of PT2262.The clockwise button 22 of the indicator of telepilot 20, indicator reverse button 23, the clockwise button 24 of range and range reverse button 25 and adopt contact switchs to be connected between resistance R 1, R2, R3, R3 and the earth point that resistance is 3.9K.These resistance R 1, R2, R3, R4 link to each other with 12 volts power supply through four diode D1, D2, D3, D4 respectively, are resistance R 5, R6, R7, R8 that to be connected with four resistances respectively in addition between the node that is connected of resistance R 1, R2, R3, R4 of 3.9K and the earth point be 10K in these diodes D1, D2, D3, D4 and aforementioned resistance.The data input pin D of this coding chip 271
0The contact place that be connected in diode D1, is connected with resistance R 1, R5.The data input pin D of this coding chip 271
1The contact place that be connected in diode D2, is connected with resistance R 2, R6.The data input pin D of this coding chip 271
2The contact place that be connected in diode D3, is connected with resistance R 3, R7.The data input pin D of this coding chip 271
3The contact place that be connected in diode D4, is connected with resistance R 4, R8.Like this when the button of telepilot 20 is not pressed, the input end D of coding chip 271
0, D
1, D
2, D
3Level be that resistance is the level at the node place that is connected with diode D1, D2, D3, D4 of resistance R 5, R6, R7, the R8 of 10K, when one of them button, after for example the clockwise button 22 of indicator presses down, the input end D of this coding chip 271
0Level be the level at the node place that is connected with two resistance R 1, R5 being in parallel of diode D1, the level of this level when not pressing remote controller key is different, therefore can discern the button of the telepilot of being pressed.Oscillation resistance input end OS at this coding chip 271
1With oscillation resistance output terminal OS
2Between resistance R 9 that to be connected with a resistance be 4.7M.The coding output terminal D of this coding chip 271
OUTOutput signal is handled after antenna 273 is launched radio signal through a transmitter module 272.The geocoding of this coding chip 271 can be by address setting pin A
0To A
7Combination in any is set.
See also shown in Figure 5, the circuit theory diagrams of the radio reception processing module 13 of the utility model distance type emulation multimeter, process amplification in a radio reception processing module of powering after wherein antenna receives radio signals by outer power supply source, pass through demodulation then, again through outputing control signals to the Stepping Motor Control circuit after the decoding, counting control unit process power drive unit drive stepping motor after occurring in sequence the unit through control circuit has stepper motor to drive meter pointer or range switch rotation.
See also shown in Figure 6, the basic circuit structure figure of the receiving processing module 13 of the utility model distance type emulation multimeter.Antenna 133 is handled the data input pin DIN that is input to a coding and decoding chip 131 afterwards through receiver module 132 after receiving radio signal, and what this coding and decoding chip 131 adopted in the present embodiment is that a kind of model is the integrated chip of PT2272.The power input V of this chip 131 wherein
DDPower input V with receiver module
DDIt by a voltage 5 volts power supply power supply.Oscillation resistance input end OS at this coding and decoding chip 131
1With oscillation resistance output terminal OS
2Connect a resistance R 10 that resistance is 1M.Four of this coding and decoding chip 131 data pin D wherein
0, D
1, D
2, D
3The resistance R 11 that to connect a resistance respectively be 2K, R12, R13, R14 are as data output end.Wherein the geocoding of this coding and decoding chip 131 can be by address setting pin A
0To A
7Set to connect positive supply, ground connection or unsettled combination in any.Have only when this coding and decoding chip 121 and the address pin of aforementioned coding chip 271 and set when identical, it is the signal that is sent by this coding chip 271 that coding and decoding chip 131 just can be discerned, to prevent the phase mutual interference of different remote.
Seeing also shown in Figure 7ly, is the circuit diagram of the input end control step motor of wherein two control signal A, B through four control signals of the wireless remote control receiving processing module 13 outputs control circuit that is input to meter pointer stepper motor 18.Control signal A, the B of this wireless remote control receiving processing module output is through the mutual combination collocation of a series of gate circuits and trigger, thereby the pulse that forms certain sequential drives the four phase coils generation rotating magnetic field of four phase step motor respectively rotates the meter pointer stepper motor, and drives meter pointer 12 rotations.This stepping motor control circuit also can adopt existing integrated circuits directly to control, and the control signal of wireless remote control receiving processing module output is directly connected to the input end of this integrated circuit and exports the control step motor then.Because the stepping motor control circuit structure is to be familiar with the known structure of this operator, it is not an emphasis of the present utility model, no longer describes in detail herein.
See also shown in Figure 8, its demonstration be the wherein circuit diagram of two control signal C, D control range switch stepper motors 19 through four control signals of wireless remote control receiving processing module 13 outputs, its structure and principle and control signal A, B control table head pointer stepper motor are identical, no longer describe in detail herein.
The volume of the utility model distance type emulation multimeter can be enough big, is convenient to be sitting in observation of students and study on each seat in classroom, and because it has realized remote control, is convenient to the teacher and explains on the classroom and demonstrate.
Claims (10)
1. distance type emulation multimeter, it is characterized in that: it comprises emulation multimeter and telepilot, in telepilot, be provided with the radio service haircut that triggers by button and penetrate module, this emulation multimeter comprises the multimeter casing and is arranged at meter pointer and range switch in the casing, is provided with the radio reception processing module and receives radio signal that telepilot sends and export control signal then and drive meter pointer and range switch rotates through the driving circuit drive stepping motor in the multimeter casing.
2. distance type emulation multimeter as claimed in claim 1 is characterized in that: be provided with the battery of penetrating module for power supply to radio service haircut in this telepilot.
3. distance type emulation multimeter as claimed in claim 1 is characterized in that: described radio service haircut is penetrated module and is comprised a coding chip and a transmitter module that links to each other with coding chip.
4. distance type emulation multimeter as claimed in claim 3 is characterized in that: described coding chip is that a kind of model is the coding chip of PT2262.
5. distance type emulation multimeter as claimed in claim 1 is characterized in that: the button of described telepilot comprises that turn clockwise button, meter pointer of meter pointer is rotated counterclockwise turn clockwise button and range switch of button, range switch and is rotated counterclockwise button.
6. distance type emulation multimeter as claimed in claim 1, it is characterized in that: described button is connected between first resistance and the earth point with the form of contact switch, this first resistance links to each other with power supply by a diode respectively, and the data input pin of this coding chip is connected in the node place that this diode links to each other with first resistance.
7. distance type emulation multimeter as claimed in claim 6 is characterized in that: be connected with second resistance in addition between node that described two diodes are connected with described first resistance and earth point.
8. as claim 1 or 3 described distance type emulation multimeters, it is characterized in that: described receiving processing module comprises a coding and decoding chip and a receiver module that links to each other with the coding and decoding chip.
9. distance type emulation multimeter as claimed in claim 8 is characterized in that: described coding and decoding chip is that a kind of model is the coding and decoding chip of PT2272.
10. distance type emulation multimeter as claimed in claim 8 is characterized in that: when the address code of described coding chip and described coding and decoding chip was identical, the coding and decoding chip just can be discerned the signal that this coding chip sends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045474 CN200972490Y (en) | 2006-09-01 | 2006-09-01 | Remote controlled simulation universal meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045474 CN200972490Y (en) | 2006-09-01 | 2006-09-01 | Remote controlled simulation universal meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200972490Y true CN200972490Y (en) | 2007-11-07 |
Family
ID=38883745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045474 Expired - Fee Related CN200972490Y (en) | 2006-09-01 | 2006-09-01 | Remote controlled simulation universal meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200972490Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095906A (en) * | 2009-12-11 | 2011-06-15 | 瑞星科技股份有限公司 | Separated ammeter |
| CN104932287A (en) * | 2015-06-01 | 2015-09-23 | 江苏省电力公司 | Simulated universal meter |
-
2006
- 2006-09-01 CN CN 200620045474 patent/CN200972490Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095906A (en) * | 2009-12-11 | 2011-06-15 | 瑞星科技股份有限公司 | Separated ammeter |
| CN104932287A (en) * | 2015-06-01 | 2015-09-23 | 江苏省电力公司 | Simulated universal meter |
| CN104932287B (en) * | 2015-06-01 | 2019-01-22 | 江苏省电力公司 | Artificial multimeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204102348U (en) | A kind of remote control electric/manual Scroll courseware demonstration teaching aid | |
| CN107633720A (en) | A kind of high in the clouds intelligent platform for electronic circuit experimental teaching | |
| CN201886676U (en) | Singlechip experimental box | |
| CN200972490Y (en) | Remote controlled simulation universal meter | |
| CN203025263U (en) | Portable amplitude-frequency characteristic tester | |
| CN103164888A (en) | Self-study room people-counting system | |
| CN102289961B (en) | Examination system for experiment courses | |
| CN205318468U (en) | Instruct management system in fact | |
| CN205943155U (en) | Quick test system of english listening comprehension | |
| CN206441426U (en) | Mould electricity comprehensive teaching platform | |
| CN206096882U (en) | Real case of instructing of portable PLC | |
| CN216412484U (en) | On-vehicle OBD teaching system | |
| CN202422536U (en) | Electronic circuit experiment box for circuit test | |
| CN211375963U (en) | Digital multifunctional analog electronic experiment instrument | |
| CN218481900U (en) | Extensible Internet of things teaching development board supporting learning real-time monitoring | |
| CN203965845U (en) | A kind of infrared flying squirrel control circuit | |
| CN203825661U (en) | Classroom management system | |
| CN215954823U (en) | Voice answer terminal and answer system | |
| Liu et al. | Development and use of an MCU experimental development board | |
| CN107992093B (en) | Instruction simulator applied to testing helicopter antenna | |
| CN213545519U (en) | Wireless power monitor | |
| CN211628460U (en) | Teaching interaction device | |
| CN203562125U (en) | Integrated liquid crystal display television experimental training teaching device | |
| CN218938533U (en) | Satellite meteorological data receiving simulation equipment | |
| CN213070171U (en) | Interactive think political affairs education display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |