CN206876741U - A kind of digital multimeter - Google Patents
A kind of digital multimeter Download PDFInfo
- Publication number
- CN206876741U CN206876741U CN201720698234.7U CN201720698234U CN206876741U CN 206876741 U CN206876741 U CN 206876741U CN 201720698234 U CN201720698234 U CN 201720698234U CN 206876741 U CN206876741 U CN 206876741U
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- CN
- China
- Prior art keywords
- housing
- universal meter
- meter body
- digital multimeter
- display screen
- 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.)
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- Details Of Measuring And Other Instruments (AREA)
Abstract
The utility model belongs to electrician tool technical field, and in particular to a kind of digital multimeter；A kind of digital multimeter, it is characterised in that：Including housing, universal meter body and slip lid, described housing is the hollow cavity of upper opening, the thickness of casing upper half is more than the thickness of lower half, universal meter body is arranged in housing, fixing hole is offered on two short sides of housing upper surface, the fixed block to match with fixing hole is set on slip lid, described housing lower end is provided with and the integrally formed insulation non-slipping block of housing, described universal meter body is disposed with display screen from top to bottom, on ＆ off switch, backlight button, positioning knob, jack, positioning knob is circumferentially provided with gear scale, described back side of shell is provided with two retainer rings, rotating shaft is provided with by retainer ring, supporting plate is fixedly installed in rotating shaft, enable to the radiating of universal meter body good, and the angle of inclination of universal meter body can be adjusted.
Description
Technical field
The utility model belongs to electrician tool technical field, and in particular to a kind of digital multimeter.
Background technology
Universal meter is the common tool of electrician, can generally be used for measuring many kinds of parameters such as voltage, electric current and resistance, typically
Universal meter can be used for measure DC current, DC voltage, alternating current, alternating voltage, resistance and audio-frequency electric equality parameter,
Some universal meters can also be used to some parameters of flow measurement alternating current, capacitance, inductance value and semiconductor, thus, use is non-
Often extensively.
The basic structure of universal meter includes universal meter body and test pencil, has measuring circuit in universal meter body, its is basic
Principle is the main body by the use of a sensitive magneto-electric DC ammeter (i.e. microampere meter) as measuring circuit, when there is Weak current
During by magneto-electric DC ammeter, electric current instruction is just had, universal meter need to only indicate the electric current to be scaled the measurement specified
Parameter can.But otherwise magneto-electric DC ammeter can not easily be burnt out by high current, therefore it is necessary in magnetoelectricity
Some resistance are shunted or are depressured in parallel or series on formula DC ammeter.During measurement, the test pencil of universal meter is touched respectively
The positive and negative both ends of part to be measured, you can correlation values are read, it is very easy to use.
But existing digital multimeter test pencil contact is shorter and length is fixed, usually grown in work is actually measured
Inadequate situation is spent, at this moment if measured by force, it is possible to cause human hand to touch terminal by mistake, cause human accident, not only cause
Measurement failure, it is also possible to bring serious consequence, therefore the problem of inconvenient in actual use be present；Existing digital ten thousand
Can table, progress observed number word can only be lain in supporting table, it is impossible to carry out carrying out certain angle tilting and carry out observation numeral, separately
One, can be by the inclination of digital multimeter certain angle even if being provided with supporting table, still, inclined angle can not be adjusted, real
It is poor with property；
In addition, existing digital multimeter, insulating properties are poor, easily produce the situation of electric leakage.
Utility model content
Insufficient present in background technology in order to overcome, the utility model proposes a kind of digital multimeter；Enable to ten thousand
It is good with the radiating of table body, and the angle of inclination of universal meter body can be adjusted.
In order to achieve the above object, the utility model is achieved through the following technical solutions：
A kind of digital multimeter, it is characterised in that：Including housing, universal meter body and slip lid, described housing is top
The hollow cavity of opening, the thickness of casing upper half are more than the thickness of lower half, and universal meter body is arranged in housing, on housing
Fixing hole is offered on the short side of two, surface, the fixed block to match with fixing hole is set on slip lid,
Described housing lower end be provided with the integrally formed insulation non-slipping block of housing,
Described universal meter body be disposed with from top to bottom display screen, on ＆ off switch, backlight button, positioning knob,
Jack, positioning knob are circumferentially provided with gear scale,
Described back side of shell is provided with two retainer rings, and retainer ring is provided with rotating shaft, fixed in rotating shaft
It is provided with supporting plate,
Described housing left and right sidewall is cooling plate structure, and described cooling plate structure includes the integrally formed first radiating
Plate and the second heat sink, hole is set, the second heat sink and the first heat sink be arranged in parallel and both on the first heat sink
Between be provided with spacing, bar shaped venthole is provided with the second heat sink.
Further, described insulation non-slipping block includes insulating layer of conductor, conductive shielding layer and insulation screen, conductor insulation
Layer, conductive shielding layer and insulation screen are bonded successively from inside to outside.
Further, internal gear is provided with described retainer ring, rotating shaft is provided at both ends with the external gear matched with internal gear.
Further, internal gear and external gear are mutually ratcheting, and the number of internal gear and external gear is four.
Further, the one kind of the shape of described hole in circular, rectangle and irregular shape.
Further, covering is provided with display screen protecting cover on display screen, and display screen protecting cover includes hitting buffering area and suction
Attached area, described adsorption zone are connected to shock buffering area edge, and adsorption zone is circumferentially provided with magnet, and magnet adsorption is in display screen week
On the metal edge frame on side.
Compared with prior art, the utility model one of at least has the following effects that：
1. being provided with two retainer rings in back side of shell, rotating shaft is provided with by retainer ring, fixes and sets in rotating shaft
Supporting plate is equipped with, and internal gear is provided with retainer ring, rotating shaft is provided at both ends with the external gear matched with internal gear, can incite somebody to action
Universal meter body carries out certain angle inclination, and can adjust inclined angle according to ratcheting between internal gear and external gear
Degree so that the numerical value checked on display screen is more convenient；
2. being provided with insulation non-slipping block, electric charge caused by bottom friction can be avoided when universal meter body enters line tilt,
Extend the usage time of element；
3. side wall is provided with into cooling plate structure, it can ensure that dust is not fallen into the case where heat dissipation element is good
In universal meter body；
4. being provided with display screen protective cover on a display screen, display screen can be protected not damaged by external impacts two, shown
The cost of screen protection shield is lower than the cost of display screen, reduces cost.
Brief description of the drawings
Fig. 1 is the utility model structural upright structural representation.
Fig. 2 is the structural representation of the utility model slip lid.
Fig. 3 is the utility model rearview.
Fig. 4 is the utility model retainer ring and rotating shaft connecting structure schematic diagram.
Fig. 5 is that the utility model shows screen protecting cover structural representation.
Fig. 6 is the structural representation of cooling plate structure of the present utility model.
In figure, 1- housings, 2- universal meters body, 3- slip lids, 4- fixing holes, 5- fixed blocks, 6- insulation non-slipping block, 7- are shown
Screen, 8- on ＆ off switches, 9- backlights button, 10- positioning knob, 11- jacks, 12- retainer rings, 13- rotating shafts, 14- supporting plates, 15-
First heat sink, the heat sinks of 16- second, 17- internal gears, 18- external gears, 19- display screen protective covers.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Shown in Fig. 1-6, including housing 1, universal meter body 2 and slip lid 3, described housing 1 are the middle cavity of upper opening
Body, the thickness of the first half of housing 1 are more than the thickness of lower half, and universal meter body 2 is arranged in housing 1,
Fixing hole 4 is offered on the short side of housing 1 upper surface two, the fixed block to match with fixing hole 4 is set on slip lid 3
5,
The described lower end of housing 1 is provided with wraps with the integrally formed insulation non-slipping block 6 of housing 1, described insulation non-slipping block 6
Insulating layer of conductor, conductive shielding layer and insulation screen are included, insulating layer of conductor, conductive shielding layer and insulation screen are from inside to outside
It is bonded successively, electric charge caused by bottom friction can be avoided, when extending the use of element when universal meter body 1 enters line tilt
Between.
Described universal meter body 2 is disposed with display screen 7, on ＆ off switch 8, backlight button 9, positioning rotation from top to bottom
Button 10, jack 11, positioning knob 10 are circumferentially provided with gear scale,
5. the back side of housing 1 described in is provided with two retainer rings 12, and retainer ring 12 is provided with rotating shaft 13, turns
Supporting plate 14 is fixedly installed on axle 13, internal gear 17 is provided with retainer ring 12, rotating shaft 13 is provided at both ends with and internal gear 17
The external gear 18 of matching, internal gear 17 and external gear 18 are mutually ratcheting, and the number of internal gear 17 and external gear 18 is four, energy
It is enough that universal meter body 2 is subjected to certain angle inclination, and can be adjusted according to ratcheting between internal gear 17 and external gear 18
Inclined angle so that the numerical value checked on display screen 7 is more convenient.
The described left and right sidewall of housing 1 is cooling plate structure, and described cooling plate structure includes integrally formed first and dissipated
The heat sink 16 of hot plate 15 and second, hole is set on the first heat sink 15, and the shape of hole is selected from circular, rectangle and do not advised
Then one kind in shape, the second heat sink 16 and the first heat sink 15 be arranged in parallel and are provided with spacing between the two, and second
Bar shaped venthole is provided with heat sink 16, can ensure that dust does not fall into universal meter in the case where heat dissipation element is good
In body 1.
Covering is provided with display screen protecting cover 19 on display screen 7, and display screen protecting cover 19 includes hitting buffering area and absorption
Area, described adsorption zone are connected to shock buffering area edge, and adsorption zone is circumferentially provided with magnet, and magnet adsorption is in display screen peripheral
Metal edge frame on, display screen 7 can be protected not damaged by external impacts two, the cost of display screen protective cover 19 is than display screen 7
Cost it is low, reduce cost.
The utility model is provided with two retainer rings in back side of shell, and retainer ring is provided with rotating shaft, rotating shaft
On be fixedly installed supporting plate, and internal gear is provided with retainer ring, rotating shaft is provided at both ends with the external tooth matched with internal gear
Wheel, universal meter body can be carried out to certain angle inclination, and can be adjusted according to ratcheting between internal gear and external gear
Inclined angle so that the numerical value checked on display screen is more convenient；Insulation non-slipping block is provided with, universal meter body can be carried out
During inclination, electric charge caused by bottom friction is avoided, extends the usage time of element；Side wall is provided with cooling plate structure, can
In the case where heat dissipation element is good, ensure that dust is not fallen into universal meter body；Display screen protection is provided with a display screen
Shield, display screen can be protected not damaged by external impacts two, the cost of display screen protective cover is lower than the cost of display screen, reduces
Cost.
" one embodiment ", " another embodiment ", " embodiment ", " preferred embodiment " spoken of in this manual
Deng, refer to combine the embodiment description specific features, structure or feature be included in the application generality description at least
In one embodiment.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Further
For, when describing a specific features, structure or feature with reference to any embodiment, what is advocated is to combine other embodiment
To realize that this feature, structure or feature also fall in the scope of the utility model.
Although reference be made herein to the utility model is described multiple explanatory embodiments of the present utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment
It will fall within spirit disclosed in the present application and spirit.More specifically, in disclosure, drawings and claims
In the range of, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.Except to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
- A kind of 1. digital multimeter, it is characterised in that：Including housing (1), universal meter body (2) and slip lid (3), described housing (1) it is the hollow cavity of upper opening, the thickness of housing (1) first half is more than the thickness of lower half, and universal meter body (2) is set In housing (1),Fixing hole (4) is offered on the short side of housing (1) upper surface two, sets on slip lid (3) and consolidates with what fixing hole (4) matched Determine block (5),Described housing (1) lower end is provided with and the integrally formed insulation non-slipping block (6) of housing (1),Described universal meter body (2) is disposed with display screen (7), on ＆ off switch (8), backlight button (9), tune from top to bottom Position knob (10), jack (11), positioning knob (10) are circumferentially provided with gear scale,Described housing (1) back side is provided with two retainer rings (12), and retainer ring (12) is provided with rotating shaft (13), Supporting plate (14) is fixedly installed in rotating shaft (13),Described housing (1) left and right sidewall is cooling plate structure, and described cooling plate structure includes the integrally formed first radiating Plate (15) and the second heat sink (16), hole, the second heat sink (16) and the first heat sink are set on the first heat sink (15) (15) it be arranged in parallel and is provided with spacing between the two, the second heat sink is provided with bar shaped venthole on (16).
- A kind of 2. digital multimeter according to claim 1, it is characterised in that：Described insulation non-slipping block (6) includes leading Body insulating barrier, conductive shielding layer and insulation screen, insulating layer of conductor, conductive shielding layer and insulation screen are from inside to outside successively Fitting.
- A kind of 3. digital multimeter according to claim 1, it is characterised in that：In being provided with described retainer ring (12) Gear (17), rotating shaft (13) are provided at both ends with the external gear (18) matched with internal gear (17).
- A kind of 4. digital multimeter according to claim 3, it is characterised in that：Internal gear (17) and external gear (18) are mutual Ratcheting, the number of internal gear (17) and external gear (18) is four.
- A kind of 5. digital multimeter according to claim 1, it is characterised in that：The shape of described hole be selected from it is circular, One kind in rectangle and irregular shape.
- A kind of 6. digital multimeter according to claim 1, it is characterised in that：Covering is provided with display on display screen (7) Screen protecting cover (19), display screen protecting cover (19) include hitting buffering area and adsorption zone, and it is slow that described adsorption zone is connected to shock Area edge is rushed, adsorption zone is circumferentially provided with magnet, and magnet adsorption is on the metal edge frame of display screen peripheral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698234.7U CN206876741U (en) | 2017-06-15 | 2017-06-15 | A kind of digital multimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720698234.7U CN206876741U (en) | 2017-06-15 | 2017-06-15 | A kind of digital multimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206876741U true CN206876741U (en) | 2018-01-12 |
Family
ID=61332958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720698234.7U Expired - Fee Related CN206876741U (en) | 2017-06-15 | 2017-06-15 | A kind of digital multimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206876741U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414809A (en) * | 2018-04-10 | 2018-08-17 | 苏州琅润达检测科技有限公司 | A kind of novel universal meter |
| CN108445277A (en) * | 2018-03-16 | 2018-08-24 | 昆明理工大学 | A kind of multimeter wrong way alarm device |
| CN108828271A (en) * | 2018-07-02 | 2018-11-16 | 铜陵百锐设备配件有限公司 | A kind of dual-purpose electric measuring instrument device of electromechanical equipment |
| CN109059986A (en) * | 2018-07-02 | 2018-12-21 | 铜陵百锐设备配件有限公司 | It is a kind of to place the instrument maintenance detection device stablized convenient for observation |
| CN109581020A (en) * | 2018-12-11 | 2019-04-05 | 秦佳璇 | A kind of electrical engineering multimeter equipment |
| CN111650414A (en) * | 2020-06-12 | 2020-09-11 | 河南城建学院 | Electronic circuit monitoring method |
-
2017
- 2017-06-15 CN CN201720698234.7U patent/CN206876741U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445277A (en) * | 2018-03-16 | 2018-08-24 | 昆明理工大学 | A kind of multimeter wrong way alarm device |
| CN108414809A (en) * | 2018-04-10 | 2018-08-17 | 苏州琅润达检测科技有限公司 | A kind of novel universal meter |
| CN108828271A (en) * | 2018-07-02 | 2018-11-16 | 铜陵百锐设备配件有限公司 | A kind of dual-purpose electric measuring instrument device of electromechanical equipment |
| CN109059986A (en) * | 2018-07-02 | 2018-12-21 | 铜陵百锐设备配件有限公司 | It is a kind of to place the instrument maintenance detection device stablized convenient for observation |
| CN109581020A (en) * | 2018-12-11 | 2019-04-05 | 秦佳璇 | A kind of electrical engineering multimeter equipment |
| CN111650414A (en) * | 2020-06-12 | 2020-09-11 | 河南城建学院 | Electronic circuit monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |