CN208568893U - A communication connection system for a multimeter, a USB device, and a multimeter - Google Patents
A communication connection system for a multimeter, a USB device, and a multimeter Download PDFInfo
- Publication number
- CN208568893U CN208568893U CN201821121451.0U CN201821121451U CN208568893U CN 208568893 U CN208568893 U CN 208568893U CN 201821121451 U CN201821121451 U CN 201821121451U CN 208568893 U CN208568893 U CN 208568893U
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- China
- Prior art keywords
- multimeter
- infrared communication
- communication element
- usb device
- magnet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a communication connection system, USB device and universal meter for universal meter, the USB device includes: a first infrared communication element and a magnet, the multimeter comprising: the magnet controls the switch to be closed so that the first infrared communication element and the second infrared communication element perform data transmission. The utility model discloses simple structure designs the universal meter and adopts non-contact automatic connection communication, and the system scheme is with low costs, and production convenient assembling has avoided having the power consumptive existence of power supply always because of communication element, and does not influence overall measurement performance and security. The universal meter power supply does not need to adopt a mechanical switch and a key switch, the service life of the universal meter power supply can be prolonged, and the problem of misoperation is avoided.
Description
Technical field
The utility model relates to test instrumentations, and in particular to it is a kind of for the communication connecting system of multimeter, USB device and
Multimeter.
Background technique
Multimeter is inserted into using by communication module component when the external equipments connection communications such as current multimeter and computer
Communication interface in, communicated by infrared receiving/transmission element transmission in multimeter and modular assembly.This communication mode exist with
Lower problem, when multimeter does not need to be communicated with computer equipment, the infrared communication element in multimeter can also have always confession
The situation of power consumption electricity.Therefore, the prior art controls the opening and closing of infrared communication element, a kind of mode by setting switch
It is that communication module component is inserted into the communication interface of general-purpose, the confession of infrared communication element is realized by a mechanical switch
Electric-opening and closing function, but there are multimeter structure is complicated problems at high cost for this mode.Another way be by by
Key switch controls the opening and closing of infrared communication communication device, and this mode is inconvenient for operation, needs manually key
After could communicate.
Utility model content
To solve the above-mentioned problems, the utility model discloses a kind of communication connecting systems for multimeter, USB device
And multimeter.
The utility model technical solution used for the above purpose is:
The utility model provides a kind of communication connecting system for multimeter, including USB device and multimeter, described
USB device includes: the first infrared communication element and magnet, and the multimeter includes: the second infrared communication element and is connected thereto
Switch, the magnet by control described in close the switch make the first infrared communication element and the second infrared communication element into
The transmission of row data.
The second infrared communication element includes: power module, and described close the switch connects the power module, so that institute
The first infrared communication element is stated to carry out data transmission with the second infrared communication element.
The multimeter is equipped with the slot for accommodating the USB device, when the USB device is inserted into the slot, institute
State switch described in magnet face.
The USB device further include: USB plug, the first infrared communication element are set by the USB plug with outside
Standby communication.
The USB device further include: plastic shell, the first infrared communication element and magnet are built in outside the plastic cement
In shell.
The multimeter further include: pcb board, the second infrared communication element and switch are all set on the pcb board.
The switch is dry reed switch.
The magnet is permanent magnet.
The utility model additionally provides a kind of USB device, including plastic shell, magnet, the first infrared communication element and USB
Plug, the first infrared communication element and magnet are built in the plastic shell, and the USB device passes through the USB
Plug and external device communication.
The utility model provides a kind of multimeter, including pcb board simultaneously, and it is infrared logical that second is provided on the pcb board
Cell part and dry reed switch connected to it, the second infrared communication element further includes power module, and the dry reed switch closes
Splice grafting leads to the power module, and the multimeter is provided with the slot of accommodating USB device.
The utility model has the following beneficial effects: the utility model structure is simple, design multimeter is using contactless automatic
Connection communication, system schema is at low cost, and production is easy to assembly, avoids because communication device is always with the presence of power supply power consumption, and not
Influence whole measurement performance and safety.It does not need to avoid the numerous of manual switch using mechanical switch and key switch
Service life that is trivial, being able to extend general-purpose apparent source and the problem of avoid maloperation, technical level is advanced.
With reference to the accompanying drawing with specific embodiment, the present invention will be further described.
Detailed description of the invention
Fig. 1 is the communication connecting system structural schematic diagram of the multimeter of the utility model；
Fig. 2 is the structural schematic diagram of the USB device of the utility model；
Fig. 3 is the structural schematic diagram of the multimeter of the utility model.
Specific embodiment
Embodiment, referring to Fig. 1 to Fig. 3, a kind of communication connecting system for multimeter provided in this embodiment, including
USB device 1 and multimeter 2, the USB device 1 include: the first infrared communication element 11 and magnet 12, and the multimeter 2 wraps
Include: the second infrared communication element 21 and switch connected to it 22, the magnet 12 make institute by controlling the closure of switch 22
The first infrared communication member is stated to carry out data transmission with the second infrared communication element 21.The design of switch 22 is avoided because of communication member
Part always with the presence of power supply power consumption the case where, the non contact type control mode using magnet 12 is easy to operate, and does not influence entirety
Measurement performance and safety.
The multimeter 2 is equipped with the slot for accommodating the USB device 1, and the USB device 1 includes plastic shell 14, described
First infrared communication element 11 and magnet 12 are built in the plastic shell 14.Magnet 12 is set to the plastic shell 14
Inside keeps 1 overall structure of USB device simple, and protection magnet 12 avoids that scraping etc. occurs with extraneous, and the USB device 1 is avoided to pass through
The case where being often damaged.
The multimeter 2 further include: pcb board 23, the second infrared communication element 21 and switch 22 are all set in described
On pcb board 23, be conducive to optimize multimeter internal structure, keep production and assembly convenient.
The second infrared communication element 21 includes: power module, and the closure of switch 22 connects the power module, is made
Second infrared communication element, the 21 circuit conducting, so that the first infrared communication element 11 and the second infrared communication element 21
Carry out data transmission, eliminates the time of hand operating mechanism switch or key switch, it is convenient and efficient.
The USB device 1 further include: USB plug 13, the first infrared communication element 11 pass through the USB plug 13
With external device communication, convenient for the test data of multimeter 2 is conveniently and efficiently transmitted to external equipment.
The switch 22 is dry reed switch, and dry reed switch uses structure open in usual in the present embodiment.It should be noted that often
Open type dry reed switch is a kind of switch for making two adjacent magnetic red piece closures using magnetic field, when dry reed switch open in usual is in normality
Under remain open, affected by magnetic fields when being in magnetic field, dry reed switch open in usual closure.So set, it is convenient and efficient, it keeps away
The problem of having exempted from the loss of mechanicalness existing for mechanical switch, service life is longer.Moreover, when dry reed switch open in usual disconnects,
To be fully disconnected state, the output of electricity is not present in power supply, and power supply service life is longer, this is mechanical switch in the prior art
The irrealizable technical effect of institute.
When the plastic shell 14 is inserted into the slot, switch 22 described in 12 face of magnet.The magnet 12
It,, can will be normal in present embodiment in order to improve the intensity of magnetic field induction suffered by dry reed switch open in usual for permanent magnet
Open type dry reed switch is disposed in proximity to the place of 2 slot of multimeter, and magnet 12 is disposed in proximity to the side of plastic shell 14.
The utility model additionally provides a kind of USB device 1, including plastic shell 14, magnet 12, the first infrared communication element
11 and USB plug 13, the first infrared communication element and magnet be built in the plastic shell, the USB device is logical
Cross the USB plug and external device communication.The first infrared communication element 11 is connect with 13 conducting wire of USB plug, institute
The first infrared communication element 11 is stated by the USB plug 13 and external device communication, may be implemented by the USB device 1
The utility model multimeter communication connecting system uses the beneficial effect of contactless automatic connection communication.
The utility model provides a kind of multimeter 2, including pcb board 23 simultaneously, and it is red to be provided with second on the pcb board 23
Outer communication device 21 and dry reed switch connected to it, the second infrared communication element 21 include power module, the dry spring
It closes the switch and connects the power module, the multimeter 2 is provided with the slot of accommodating USB device 1.Pass through the multimeter 2
The beneficial effect that the utility model multimeter communication connecting system uses contactless automatic connection communication may be implemented.
The communication connecting system working principle of multimeter:
Whole system is divided into two parts, and one is USB device 1, and device is in plastic shell 14 comprising one piece of 12 He of small magnet
First infrared communication element 11 composition；The other is multimeter 2, a dry reed switch and second are contained on Internal PCB 23
Infrared communication element 21.When external USB devices 1 are inserted into the slot of multimeter 2, the magnetic that is built in USB device 1 at this time
Dry reed switch of 12 face of iron on 2 Internal PCB 23 of multimeter, since the magnetic line of force effect dry reed switch closure of magnet 12 connects
The power supply of the second infrared communication element 21 inside logical multimeter 2, the measurement data of multimeter 2 passes through Infrared Transmission to electricity at this time
For brain equipment when USB device 1 removes 2 slot of multimeter, in the top of dry reed switch, dry reed switch does not disconnect ten thousand to magnet 12 at this time
With the power supply of the second infrared communication element 21 inside table 2, thoroughly disconnecting communications portion power supply reduces power consumption, can be very good reality
Existing contactless automatic connection communication, the overall power of multimeter 2 when thoroughly reducing non-communicating.
The utility model structure is simple, and design multimeter uses contactless automatic connection communication, and system schema is at low cost,
It produces easy to assembly, avoids because communication device is always with the presence of power supply power consumption, and do not influence whole measurement performance and safety.
It is not needed using mechanical switch and key switch, avoid manual switch it is cumbersome, be able to extend making for general-purpose apparent source
The problem of with the service life and avoiding maloperation, technical level is advanced.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.The attached drawing
The purpose design only explained, not as the restriction of the scope of the utility model.It should also be noted that unless in addition referring to
Out, it is not necessary to which scale attached drawing, they only try hard to the structure for conceptually illustrating the utility model description.
Claims (10)
1. a kind of communication connecting system for multimeter, which is characterized in that including USB device and multimeter, the USB device
It include: the first infrared communication element and magnet, the multimeter includes: the second infrared communication element and switch connected to it,
The magnet makes the first infrared communication element and the second infrared communication element carry out data by closing the switch described in control
Transmission.
2. the communication connecting system according to claim 1 for multimeter, which is characterized in that second infrared communication
Element includes: power module, and described close the switch connects the power module, so that the first infrared communication element and second
Infrared communication element carries out data transmission.
3. the communication connecting system according to claim 1 for multimeter, which is characterized in that the multimeter, which is equipped with, to be held
The slot for setting the USB device switchs described in the magnet face when the USB device is inserted into the slot.
4. the communication connecting system according to claim 1 for multimeter, which is characterized in that the USB device is also wrapped
Include: USB plug, the first infrared communication element pass through the USB plug and external device communication.
5. the communication connecting system according to claim 1 for multimeter, which is characterized in that the USB device is also wrapped
Include: plastic shell, the first infrared communication element and magnet are built in the plastic shell.
6. according to the communication connecting system described in claim 1 for multimeter, which is characterized in that the multimeter further include:
Pcb board, the second infrared communication element and switch are all set on the pcb board.
7. the communication connecting system according to claim 1 for multimeter, which is characterized in that the switch is that dry spring is opened
It closes.
8. the communication connecting system according to claim 1 for multimeter, which is characterized in that the magnet is permanent magnetism
Body.
9. a kind of USB device, which is characterized in that described including plastic shell, magnet, the first infrared communication element and USB plug
First infrared communication element and magnet are built in the plastic shell, and the USB device passes through the USB plug and outside
Equipment communication.
10. a kind of multimeter, which is characterized in that including pcb board, be provided on the pcb board the second infrared communication element and with
Its dry reed switch connected, the second infrared communication element further includes power module, described in the dry reed switch closure connection
Power module, the multimeter are provided with the slot of accommodating USB device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121451.0U CN208568893U (en) | 2018-07-16 | 2018-07-16 | A communication connection system for a multimeter, a USB device, and a multimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121451.0U CN208568893U (en) | 2018-07-16 | 2018-07-16 | A communication connection system for a multimeter, a USB device, and a multimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208568893U true CN208568893U (en) | 2019-03-01 |
Family
ID=65493234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821121451.0U Active CN208568893U (en) | 2018-07-16 | 2018-07-16 | A communication connection system for a multimeter, a USB device, and a multimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208568893U (en) |
-
2018
- 2018-07-16 CN CN201821121451.0U patent/CN208568893U/en active Active
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