CN203949935U - A kind of multimeter battery case - Google Patents
A kind of multimeter battery case Download PDFInfo
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- CN203949935U CN203949935U CN201420342130.9U CN201420342130U CN203949935U CN 203949935 U CN203949935 U CN 203949935U CN 201420342130 U CN201420342130 U CN 201420342130U CN 203949935 U CN203949935 U CN 203949935U
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- multimeter
- positive
- negative polarity
- upper plenum
- battery case
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of multimeter battery case, this battery case comprises box body, battery compartment and lid, box body is provided with upper and lower two cavitys and DC/DC transducer, upper and lower two cavitys are as battery compartment, lid is provided with groove, in groove, by stiff rod, be articulated with elastomeric element, this battery case can be embedded in multimeter, or external with multimeter, and because being provided with upper and lower two cavitys and DC/DC transducer, multimeter can select multiple battery power supply, and by DC/DC, convert output and require magnitude of voltage, be not limited to a kind of battery of specification, be beneficial to the use of expanding multimeter, and the contact of the power supply of this battery case is good, guarantee that stable power voltage supply is used to multimeter, in the situation of avoiding reducing because of battery electric quantity, there is the inaccurate use problem that waits of multimeter measurement.
Description
Technical field
The utility model relates to battery case technology, particularly a kind of multimeter battery case.
Background technology
Before the utility model, the power supply that existing multimeter adopts is conventionally single, the dry cell that can only limit a kind of specification is put into multimeter battery case and is powered, but it is quite extensive that multimeter uses in producing and living, if dry cell electric weight is finished, and multimeter is while being badly in need of using, and can not find other substitute electric powers to use, and will to user, bring certain trouble.Common battery has the smart machines such as 1.5V dry cell and mobile phone to use the lithium battery that can repeat to discharge and recharge.Dry cell is easy to buy, and smart machine is also seen everywhere, and lithium battery is also easy to obtain.But the dry cell of different size and lithium battery all cannot directly be used in multimeter.
Chinese patent Granted publication CN 202083711 U, disclose a kind of solar energy universal table Dec 21 2011 Granted publication day, use sun power to lithium cell charging, and then use to multimeter.But the solar attachment area on multimeter is little, absorb energy little, therefore must be placed on for a long time the place of illumination, be unfavorable for the use of multimeter.
Utility model content
The technical problems to be solved in the utility model is to design and develop a kind of multimeter battery case, battery case can be embedded in multimeter, or external with multimeter, and can select conventional battery as the battery source of multimeter, be not limited to a kind of battery of specification, be beneficial to the use of expanding multimeter, and the contact of the power supply of this battery case is good, guarantee that stable power voltage supply is used to multimeter, in the situation of avoiding reducing because of battery electric quantity, occur the inaccurate use problem that waits of multimeter measurement.
In order to solve the problems of the technologies described above, the utility model provides a kind of multimeter battery case, and this battery case comprises box body, battery compartment and lid.Box body is the upper shed casing of sealing, on opening, be provided with magnet and gap in different directions, in described casing, along opening direction, be separated with upper and lower two cavitys and be provided with DC/DC transducer, two cavitys are all square, the cavity that opening is large is stacked on the cavity that opening is little, and interconnect the convex shape that all-in-one-piece cavity all becomes to stand upside down along the tangent plane of all directions, like this can be so that the stacking and dismounting of battery, and also the cavity of different sizes can be so that stacking between battery be more firm.Battery compartment is upper and lower two cavitys namely, one end of upper plenum and lower cavity is respectively arranged with both positive and negative polarity link, negative pole link is connected with the negative input end of DC/DC transducer by wire, when the anode connection terminal of upper plenum and lower cavity is different by selector switch, access the positive input terminal of DC/DC transducer, battery compartment is embedded with dry cell and/or lithium battery and makes dry cell and/or the both positive and negative polarity of lithium battery contacts with the both positive and negative polarity link of battery compartment, the output terminal of DC/DC transducer is arranged on outside box body and provides power supply to multimeter, the shift key of described selector switch is arranged on outside box body, can be linked into by any power supply in two cavitys of shift key artificial selection of selector switch the input end of DC/DC transducer, make the output terminal of DC/DC transducer export desired magnitude of voltage, and it is more stable by DC/DC transducer, to transform the magnitude of voltage obtaining, and can be according to the magnitude of voltage that just can obtain wanting output to the setting parameter of DC/DC transducer, general multimeter needs the power supply of 9V just can meet need of work, the input/output bound of DC/DC transducer can be chosen as input range 2V-12V, output area 2.0V-20V, the output parameter of selected DC/DC transducer both can have been stablized the voltage of output 9V, can reduce the damage to multimeter like this, can fully use the electric weight of battery again, guarantee the normal use of multimeter.Lid is the upper plenum cover plate of described box body, the namely upper shed of enclosed box body, one end of described cover plate is provided with the corresponding magnet piece of attracting each other of magnet or the iron block with described opening, the other end is provided with the corresponding nested plug-in unit in gap with described opening, make the plug-in unit of cover plate can inserted into gap, and the magnet piece of cover plate or iron block are inhaled mutually with the magnet of opening, lid just can cover the opening of box body, is convenient to again open.On described cover plate, be provided with groove, in groove, by stiff rod, be articulated with elastomeric element, elastomeric element can be spring or columned rubber, this elastomeric element is the battery of the inside, self-contained battery storehouse well, when upper plenum has been put into lithium battery, elastomeric element and cover plate embed in groove abreast, can be firmly after cover plate is built fixing lithium battery; In battery compartment, only have dry cell to be arranged on lower cavity, and when upper plenum is not placed with lithium battery, elastomeric element is vertical with cover plate, makes elastomeric element can touch the dry cell of lower cavity, just can be firmly after cover plate is built fixing dry cell.
Preferably, in relative one end of lower cavity both positive and negative polarity link, be provided with shell fragment to fix or to compress dry cell, shell fragment can or have the sheet metal of deformation for spring, can be under dry cell embeds after cavity, by shell fragment can make dry cell down the both positive and negative polarity link of cavity compress, the both positive and negative polarity of dry cell is contacted better with both positive and negative polarity link, work more stable.
Preferably, described shell fragment is electroconductive elastic sheet, and it is disjunctor or sequential Stereoscopic, and sequential Stereoscopic, for there being mutually wire to be communicated with, so both can be realized the effect being fixed, and can also when using two joint dry cells, do the effect being connected in series.
Preferably, in relative one end of upper plenum both positive and negative polarity link, being provided with hold down gag, is to be also fixed to the battery that is embedded in upper plenum, improves the effect of the contact formedness of link.
Preferably, the spring of described hold down gag for moving to the both positive and negative polarity link direction of described upper plenum.
Preferably, described hold down gag is done following design: upper plenum is provided with the groove extending towards its both positive and negative polarity link direction, groove has been nested with spring, groove one end of upper plenum is fixed in one end of spring, the other end is fixedly connected with cross bar, cross bar is across on groove, and spring is vertical with cross bar, intersection point is in the centre position of cross bar, the flexible of spring compresses cross bar or unclamps lithium battery dismounting and compression well, the both positive and negative polarity that improves lithium battery is optimum with contacting of link, and compresses battery by cross bar, and stability is better.
Preferably, the both positive and negative polarity link of upper plenum is provided with two terminations of distance between adjustable anode connection terminal and negative pole link, the bottom of two terminations is respectively as anode connection terminal and the negative pole link of the both positive and negative polarity link of upper plenum, lithium battery that like this can different size easy to use, can be good by the contact that regulates two distances between termination that battery case is held in succession when distance between the both positive and negative polarity of lithium battery is different, can use the lithium battery of multiple different size.
Preferably, on the box body of upper plenum both positive and negative polarity link, be provided with guide rail, under described termination, be partially submerged in guide rail and the bottom of the termination of upper plenum is placed in upper plenum as both positive and negative polarity link, the upper part of described termination is exposed at outside box body, making moved by hand be exposed at top, termination outside box body just can mobile both positive and negative polarity link, changes the distance between both positive and negative polarity link.
Preferably, in the groove of described lid, be provided with buckle, in the time of can making elastomeric element with groove pivot joint forward to lid plumbness, can fix or unclamp.
Preferably, lower cavity is placed a 9V dry cell or two joint 1.5V dry cells, described two joint 1.5V dry cells are by the lower cavity both positive and negative polarity link of described electroconductive elastic sheet series connection access, and described upper plenum is placed lithium battery, makes to be more than or equal to input voltage through the output voltage of DC/DC transducer.
Accompanying drawing explanation
Fig. 1 is the box body structure schematic diagram of multimeter battery case described in the utility model;
Fig. 2 is the selector switch connection diagram of multimeter battery case described in the utility model;
Fig. 3 is the lid of multimeter battery case described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to instructions word.
Known in Fig. 1 and Fig. 3, the multimeter battery case that the utility model provides comprises box body 8, battery compartment and lid 06.Box body 8 is the upper shed casing of sealing, on opening, be provided with magnet and gap in different directions, in described casing, along opening direction, be separated with upper and lower two cavitys and be provided with DC/DC transducer, two cavitys are all square, the cavity that opening is large is stacked on the cavity that opening is little, and interconnect the convex shape that all-in-one-piece cavity all becomes to stand upside down along the tangent plane of all directions, like this can be so that the stacking and dismounting of battery, and also the cavity of different sizes can be so that stacking between battery be more firm.Battery compartment is upper and lower two cavitys namely, one end of upper plenum 4 and lower cavity 6 is respectively arranged with both positive and negative polarity link (2, 3), negative pole link is connected with the negative input end of DC/DC transducer by wire, when the anode connection terminal of upper plenum 4 and lower cavity 6 is different by selector switch, access the positive input terminal of DC/DC transducer, battery compartment is embedded with dry cell and/or lithium battery and makes dry cell and/or the both positive and negative polarity of lithium battery contacts with the both positive and negative polarity link of battery compartment, the output terminal 1 of DC/DC transducer is arranged on outside box body and provides power supply to multimeter, the shift key of described selector switch is arranged on outside box body, can be linked into by any power supply in two cavitys of shift key artificial selection of selector switch the input end of DC/DC transducer, make the output terminal of DC/DC transducer export desired magnitude of voltage, and it is more stable by DC/DC transducer, to transform the magnitude of voltage obtaining, and can be according to the magnitude of voltage that just can obtain wanting output to the setting parameter of DC/DC transducer, general multimeter needs the power supply of 9V just can meet need of work, the input/output bound of DC/DC transducer can be chosen as input range 2V-12V, output area 2.0V-20V, the output parameter of selected DC/DC transducer both can have been stablized the voltage of output 9V, can reduce the damage to multimeter like this, can fully use the electric weight of battery again, guarantee the normal use of multimeter.Lid 06 is the upper plenum cover plate of described box body 8, the namely upper shed of enclosed box body 8, one end of described cover plate is provided with the corresponding magnet piece of attracting each other of magnet or the iron block with described opening, the other end is provided with the corresponding nested plug-in unit in gap with described opening, make the plug-in unit of cover plate can inserted into gap, and the magnet piece of cover plate or iron block are inhaled mutually with the magnet of opening, lid 06 just can cover the opening of box body 8, is convenient to again open.On described cover plate, be provided with groove 03, in groove 03, by stiff rod 04, be articulated with elastomeric element 02, elastomeric element 02 can be spring or columned rubber, this elastomeric element 02 is the battery of the inside, self-contained battery storehouse well, when upper plenum 4 has been put into lithium battery, elastomeric element 02 embeds in groove 03 abreast with cover plate, can be firmly after cover plate is built fixing lithium battery; In battery compartment, only have dry cell to be arranged on lower cavity 6, and when upper plenum 4 is not placed with lithium battery, elastomeric element 02 is vertical with cover plate, makes elastomeric element 02 can touch the dry cell of lower cavity 6, just can be firmly after cover plate is built fixing dry cell.Fig. 2 is the selector switch connection diagram of multimeter battery case described in the utility model, known in Fig. 2, and the anode connection terminal of upper plenum 4 and lower cavity 6 is connected to the annexation of DC/DC converter by selector switch, and realizes single channel and select.
In Fig. 1, in relative one end of lower cavity 6 both positive and negative polarity links, be provided with shell fragment 7 to fix or to compress dry cell, shell fragment 7 can or have the sheet metal of deformation for spring, can be under dry cell embeds after cavity 6, by shell fragment, can make down both positive and negative polarity link 3 compressions of cavity 6 of dry cell, the both positive and negative polarity of dry cell is contacted better with both positive and negative polarity link 3, work more stable.Particularly, described shell fragment 7 is electroconductive elastic sheet, and it is disjunctor or sequential Stereoscopic, and sequential Stereoscopic, for there being mutually wire to be communicated with, so both can be realized the effect being fixed, and can also when using two joint dry cells, do the effect being connected in series.Particularly, in relative one end of upper plenum 4 both positive and negative polarity links 2, be provided with hold down gag, be fixed effect to the battery that is embedded in upper plenum 6, improve the effect of the contact formedness of link.Hold down gag can be the spring that can move to both positive and negative polarity link 2 directions of upper plenum 4.Or hold down gag is done following design: upper plenum 4 is provided with the groove extending towards its both positive and negative polarity link 2 directions, groove has been nested with spring, groove one end of upper plenum is fixed in one end of spring, the other end is fixedly connected with cross bar 5, cross bar 5 is across on groove, and spring is vertical with cross bar 5, intersection point is in the centre position of cross bar 5, the flexible of spring compresses cross bar 5 or unclamps lithium battery dismounting and compression well, the both positive and negative polarity that improves lithium battery is optimum with contacting of link, and compressing battery by cross bar 5, stability is better.Particularly, the both positive and negative polarity link 2 of upper plenum 4 is provided with two terminations of distance between adjustable anode connection terminal and negative pole link, the bottom of two terminations is respectively as anode connection terminal and the negative pole link of the both positive and negative polarity link 2 of upper plenum 4, lithium battery that like this can different size easy to use, can be good by the contact that regulates two distances between termination that battery case is held in succession when distance between the both positive and negative polarity of lithium battery is different, can use the lithium battery of multiple different size.Particularly, on the box body 8 of upper plenum 4 both positive and negative polarity links 2, be provided with guide rail, under described termination, be partially submerged in guide rail and to make the bottom of the termination of upper plenum 4 be placed in upper plenum 4 interior as both positive and negative polarity link 2, the upper part of described termination is exposed at outside box body 8, and the top, termination that moved by hand is exposed at outside box body 8 just can change the distance between both positive and negative polarity link 2 by mobile both positive and negative polarity link 2.Lower cavity 6 can select to place a 9V dry cell or two joint 1.5V dry cells, can be by the both positive and negative polarity link 3 of the lower cavity 6 of electroconductive elastic sheet 7 series connection access if place two joint 1.5V dry cells, described upper plenum 4 is placed lithium battery, makes to be more than or equal to input voltage through the output voltage of DC/DC transducer.
In Fig. 3, in the groove 03 of lid 06, be provided with buckle, in the time of can making elastomeric element 02 with groove 03 pivot joint forward to lid 06 plumbness, can fix or unclamp elastomeric element 02.
This battery case can be embedded in multimeter, or external with multimeter, and because being provided with upper and lower two cavitys and DC/DC transducer, multimeter can select multiple battery power supply, and require magnitude of voltage by the output of DC/DC transducer, be not limited to a kind of battery of specification, be beneficial to the use of expanding multimeter, and the contact of the power supply of this battery case is good, and add upper box cover and can be embedded with battery at any one cavity and can guarantee that battery can be stably fixed in battery case and guarantee the both positive and negative polarity of battery and the both positive and negative polarity link good contact of cavity, by DC/DC transducer, guarantee that stable power voltage supply is used to multimeter, in the situation of avoiding reducing because of battery electric quantity, there is the inaccurate use problem that waits of multimeter measurement, expand the source of using power supply.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in instructions and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and legend described herein.
Claims (10)
1. a multimeter battery case, is characterized in that, comprising:
Box body, it is the upper shed casing of sealing, on described opening, be provided with magnet and gap in different directions, in described casing, along opening direction, be separated with upper and lower two cavitys and be provided with DC/DC transducer, two cavitys are all square, the cavity that opening is large is stacked on the cavity that opening is little, and interconnects the convex shape that all-in-one-piece cavity all becomes to stand upside down along the tangent plane of all directions;
Battery compartment, it is described two cavitys up and down, one end of upper plenum and lower cavity is respectively arranged with both positive and negative polarity link, negative pole link is connected with the negative input end of DC/DC transducer by wire, accesses the positive input terminal of DC/DC transducer when the anode connection terminal of upper plenum and lower cavity is different by selector switch;
Lid, it is the upper plenum cover plate of described box body, one end of described cover plate is provided with the corresponding magnet piece of attracting each other of magnet or the iron block with described opening, the other end is provided with the corresponding nested plug-in unit in gap with described opening, on described cover plate, be provided with groove, in groove, by stiff rod, be articulated with elastomeric element;
Wherein, described battery compartment is embedded with dry cell and/or lithium battery and makes dry cell and/or the both positive and negative polarity of lithium battery contacts with the both positive and negative polarity link of battery compartment, the output terminal of described DC/DC transducer is arranged on outside box body and provides power supply to multimeter, and the shift key of described selector switch is arranged on outside box body.
2. multimeter battery case as claimed in claim 1, is characterized in that, in relative one end of described lower cavity both positive and negative polarity link, is provided with shell fragment to fix or to compress dry cell.
3. multimeter battery case as claimed in claim 2, is characterized in that, described shell fragment is electroconductive elastic sheet, and it is disjunctor or sequential Stereoscopic, and sequential Stereoscopic is for there being mutually wire to be communicated with.
4. multimeter battery case as claimed in claim 3, is characterized in that, in relative one end of described upper plenum both positive and negative polarity link, is provided with hold down gag.
5. multimeter battery case as claimed in claim 4, is characterized in that, the spring of described hold down gag for moving to the both positive and negative polarity link direction of described upper plenum.
6. multimeter battery case as claimed in claim 4, it is characterized in that, described hold down gag is done following design: described upper plenum is provided with the groove extending towards its both positive and negative polarity link direction, groove has been nested with spring, and groove one end of upper plenum is fixed in one end of spring, and the other end is fixedly connected with cross bar, cross bar is across on groove, and spring is vertical with cross bar, intersection point is in the centre position of cross bar, and the flexible of spring compresses cross bar or unclamp lithium battery.
7. the multimeter battery case as described in any one in claim 4 to 6, it is characterized in that, the both positive and negative polarity link of described upper plenum is provided with two terminations of distance between adjustable anode connection terminal and negative pole link, and the bottom of two terminations is respectively as anode connection terminal and the negative pole link of the both positive and negative polarity link of upper plenum.
8. multimeter battery case as claimed in claim 7, it is characterized in that, on the box body of described upper plenum both positive and negative polarity link, be provided with guide rail, under described termination, be partially submerged in guide rail and the bottom of the termination of upper plenum is placed in upper plenum as both positive and negative polarity link, the upper part of described termination is exposed at outside box body.
9. multimeter battery case as claimed in claim 8, is characterized in that, in the groove of described lid, is provided with buckle.
10. multimeter battery case as claimed in claim 9, it is characterized in that, described lower cavity is placed a 9V dry cell or two joint 1.5V dry cells, described two joint 1.5V dry cells are by the lower cavity both positive and negative polarity link of described electroconductive elastic sheet series connection access, described upper plenum is placed lithium battery, makes to be more than or equal to input voltage through the output voltage of DC/DC transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342130.9U CN203949935U (en) | 2014-06-24 | 2014-06-24 | A kind of multimeter battery case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342130.9U CN203949935U (en) | 2014-06-24 | 2014-06-24 | A kind of multimeter battery case |
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| Publication Number | Publication Date |
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| CN203949935U true CN203949935U (en) | 2014-11-19 |
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| CN201420342130.9U Active CN203949935U (en) | 2014-06-24 | 2014-06-24 | A kind of multimeter battery case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034926A (en) * | 2014-06-24 | 2014-09-10 | 南宁学院 | Universal meter battery box |
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2014
- 2014-06-24 CN CN201420342130.9U patent/CN203949935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034926A (en) * | 2014-06-24 | 2014-09-10 | 南宁学院 | Universal meter battery box |
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