CN1180425A - Portable information equipment - Google Patents
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- CN1180425A CN1180425A CN97190113A CN97190113A CN1180425A CN 1180425 A CN1180425 A CN 1180425A CN 97190113 A CN97190113 A CN 97190113A CN 97190113 A CN97190113 A CN 97190113A CN 1180425 A CN1180425 A CN 1180425A
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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
A card body 2 has two battery holding sections (13, 14) inside, and two battery holders (9, 10) each containing a battery are housed therein. The two housed battery holders (9, 10) engage locking portions (22a, 22b) of a stopper (11), thereby setting them unremovable. When the stopper (11) is slid toward one battery holding section (14), the battery holder (10) therein is still kept unremovable, while the other battery holder (9) can be made removable. Thus, even during battery change, at least one battery always remains in the card body to keep supplying a backup voltage to a volatile memory.
Description
The present invention relates to a kind of portable information device,, and can be the time rely on battery and keep the storage card of the data of being stored even without external power source such as a kind of LCDs and volatile memory of having.
In the Jap.P. open file, such as being in the patented claim of 2-23410,2-140815,2-264316 at publication number, some kinds of storage cards have been disclosed, they comprise a static RAM that is made of volatile semiconductor memory (SRAM), power supply is to keep a removable main battery of institute's canned data among the SRAM in support, and a boosting battery in parallel with aforementioned main battery, when changing main battery with box lunch as the back-up source of SRAM.
In the Jap.P. open file, such as being in the patented claim of 2-76019,3-134720 at publication number, some kinds of storage cards have further been disclosed, they comprise a battery folder, in order to hold a main battery, and can put in the storage card or therefrom take out, aforementioned storage card also comprises a securing rod that can slide in storage card, this securing rod is used to allow or forbids pack into aforementioned storage card card body or therefrom take out of battery folder by being meshed with aforementioned battery folder or throwing off.
Also having disclosed a publication number that relates to a kind of storage card in the Jap.P. open file is the patented claim of KOKAI 4-104388, this storage card comprises a random access memory ram, battery and an element that switches between source voltage and external voltage, wherein, providing a plurality of batteries of source voltage is to be connected in the storage card.Difference between the back-up source voltage in the voltage that provided by external power source and the storage card is provided to dwindle so far always the purpose of design of this storage card, thereby avoids the data of wherein storing when an external unit is thrown off when storage card destroyed.Storage card must be connected with said external equipment or similar device in addition, provide the battery of back-up source to connect, so that when battery was used up, could more renew battery.
Therefore, at portable information device, in storage card,, have to utilize the mechanism of more complicated in order in the source voltage of keeping volatile memory (RAM), to change battery.
The purpose of this invention is to provide a kind of portable information device, such as, a kind of storage card that two joint series-connected cells of electric power are provided for load circuit that has when changing battery, can not interrupt the electric power supply to load circuit.
For achieving the above object, a kind of portable information device according to the present invention comprises that one has the casing of a circuit board, the latter has first and second batteries at the one end and inserts mouth, extend first and second battery chambers that are arranged in the casing inner space, are connected with aforementioned first and second batteries insertion mouth respectively thus, also have a Lock Part of preventing battery to deviate from the casing from aforementioned first and second batteries insertion mouth.This Lock Part designs like this, make can by form three kinds of states: first kind of state be, is placed in battery in first and second battery chambers and is under an embargo simultaneously and takes out from two batteries insert mouthful; Second kind of state is can insert the mouth from first battery and take out battery, but forbid taking out battery from second battery insertion mouth; The third state is can insert the mouth from second battery and take out battery, but forbid taking out battery from first battery insertion mouth.
The parts that constitute aforementioned two battery chambers are preferably formed as a guidance part, insert mouthful receivability circular batteries or the circular batteries folder of circular batteries is housed by the battery on the casing, and can and be fixed in the precalculated position with their guiding.When the battery folder of holding battery therein was placed in the battery compartment respectively, the part of aforementioned locking device was meshed with the part of each battery folder, thereby forbids that battery folder is removed.On the other hand, when circular batteries is directly placed in the battery chamber, battery cover is set at the position that battery on the casing inserts mouthful, so that the part of aforementioned locking device is meshed with the free end of each battery cover, thereby forbids the taking-up of each battery.
More specifically, the parts of aforementioned formation battery chamber preferably are fixed with battery and connect spring, to connect the battery that places in the battery chamber and the supply terminals of casing interior circuit board respectively.
Also have, aforementioned two battery chambers and two battery covers preferably are made of the single piece of plastic of whole die casting.And it is to obtain by a junction position of a sheet metal is washed out that aforementioned battery connects spring, and the shape of this sheet metal is such: aforementioned each spring interconnects by aforementioned connecting portion.
Fig. 1 is the planimetric map of conduct according to a storage card of an example of a kind of portable information device of the present invention;
Fig. 2 is the rear view of the storage card among Fig. 1;
Fig. 3 is that the storage card among Fig. 1 is connected in the view on the external unit;
Fig. 4 is the left view of the storage card among Fig. 1;
Fig. 5 is the right view of the storage card among Fig. 1;
Fig. 6 is a view of the storage card among Fig. 1 of being opened of back shroud, has showed the inside (according to first kind of embodiment of the present invention) of this storage card;
Fig. 7 is the view of the storage card among the Fig. 6 that is removed of battery folder of left side;
Fig. 8 is the view of the storage card among Fig. 6 of being removed of right side battery folder;
Fig. 9 is an enlarged drawing, has showed the major part among Fig. 6;
Figure 10 is the enlarged drawing of major part among Fig. 7;
Figure 11 is the enlarged drawing of major part among Fig. 8;
Figure 12 is the planimetric map that places the battery folder in the storage card of Fig. 1;
Figure 13 is the backplan of the battery folder among Figure 12;
Figure 14 is the planimetric map that a batteries is housed in the battery folder among Figure 12;
Figure 15 is a wiring diagram, shows by two batteries in the storage card among Fig. 6 and the formed circuit of a load;
Figure 16 is a wiring diagram, shows when a batteries is taken out by the circuit from Fig. 6 that remaining batteries and the formed circuit of aforementioned load;
Figure 17 is a wiring diagram, shows when a batteries is taken out by the circuit from Fig. 6 another batteries and the formed circuit of aforementioned load;
Figure 18 is the planimetric map of a battery carrier, and this battery carrier is parts according to the storage card of second kind of embodiment of the present invention;
Figure 19 one is used for being installed to the planimetric map that a battery on the aforementioned battery carrier connects the loose pattern foundry goods of spring;
Figure 20 shows battery among Figure 19 and connects spring and be installed to situation on the battery carrier among Figure 18;
Figure 21 is an enlarged drawing, shows the major part according to the storage card of second kind of embodiment of the present invention; With
Figure 22 is a kind of method of explanation, is used for punching press battery shown in Figure 20 to connect spring, it is decomposed into four parts, promptly a pair of anodal spring and a pair of negative spring.
First kind of embodiment of the present invention at first described.
As shown in Figure 4, on the end face corresponding to that side relative with operation enter key place side of card body 2, be provided with a socket 8, many signal leads and external power source lead-in wire has wherein be arranged in parallel.Storage card 1 is by socket 8 and an external unit, and is continuous such as the connectivity port (not shown) of as shown in Figure 3 keyboard equipment 7.The storer of having packed in the aforementioned storage card 1.
As shown in Figure 5, two battery folder 9 and 10 of holding two battery (not shown)s respectively are placed in respectively on the end face on card body 2 right sides, with card body 2 or the therefrom taking-up of can packing into.For battery folder 9 and 10 is fixed in the card body 2, between two battery folder 9 and 10, be provided with a locking device 11, it can slide on the Width of card body 2.
As shown in Figure 6, a printed circuit board (PCB) 12 and aforementioned dismountable two battery folder 9 and 10 are placed in by in card body 2 and the back shroud 6 determined shell chambeies.Aforementioned printed circuit board (PCB) 12 combines each element and circuit, these elements and circuit have, such as, one be used for storing data, as the static RAM SRAM (not shown) of volatile memory, one is used for driving the driver circuit (not shown) of display unit 3 for the purpose that shows, one is used for reading data that the latter stores and the central processor CPU that display unit 3 is displayed it from aforementioned volatile memory, and a read only memory ROM.Also have, place the battery B1 of battery folder 9 and 10 and B2, being used for keeping the data of aforementioned sram memory storage, and provide electric power for display unit 3, driver circuit and opertaing device as power supply.
That side relative that has that identical shaped two battery folder accommodating chambers 13 and 14 are placed in card body 2 side by side with socket 8.The end relative with socket 8 place sides of card body 2 is covered in the end of each battery folder accommodating chamber 13 and 14, forms two battery folder and inserts mouth 15 and 16.On the other hand, battery folder accommodating chamber 13 with 14 insert each ends of mouthfuls 15 and 16 relative those sides with battery folder, be mounted with reed 17a, 17b, 18a and 18b respectively.In Fig. 6, the positive and negative electrode of battery B1 contacts with reed 17a and 17b respectively, and the positive and negative electrode of battery B2 then contacts with reed 18a and 18b respectively.Label 53 has been pointed out the welding position of each reed 17a, 17b, 18a and 18b.
As shown in Figure 7, aforementioned two battery folder accommodating chambers 13 and 14 are to form like this: the middle guidance part 20a of plastics and the left side and the right side guidance part 20b of plastics are placed between card body 2 and the back shroud 6.More particularly, a battery folder accommodating chamber 13 (left side) is determined that by a middle guidance part 20a and a side guidance part 20b another battery folder accommodating chamber 14 (right side) is then determined by middle guidance part 20a and another side guidance part 20b.More specifically, two battery folder accommodating chambers 13 and the middle guidance part 20a that opened in 14 minutes there are an outshot as locking device positioning area 21 in its front portion, an oval-shaped sliding button guide channel 19 are arranged foremost at it.
As shown in Figure 9, locking device 11 comprises a sliding button 22, a pillar 23 that links to each other with sliding button 22 and at a transverse arm 24 of pillar 23 ends, the latter is the ellipse of major axis along card body 2 Widths.More specifically, the guide posts 54 of one is with it arranged on the leg portion 23, the latter extends along the thickness direction of card body 2.Guide posts 54 is placed in the sliding button guide channel 19 on the guidance part 20a, and it moves the restriction that is subjected to the latter.Also have, that side relative with leg portion 23 is provided with that the location of a dihedral is protruding chews 25 on transverse arm 24.
In Fig. 9, the aforementioned location on the aforementioned transverse arm part 24 is protruding chew 25 be arranged at aforementioned in the middle of the two protruding engagement recesses 29 of one between 27 and 28 of chewing of aforementioned locking device positioning area 21 of guidance part 20a one end be meshed.In this case, when aforementioned sliding button 22 is manually slided to any side (direction up or down among Fig. 9), elastic deformation takes place because the cause of a groove 26 is arranged in aforementioned transverse arm part 24 easily, and location on the transverse arm part 24 is protruding chews 25 and deviate from from the aforementioned engagement recess 29 of aforementioned locking device positioning area 21 thereby make.
When the sliding button 22 in position shown in Figure 9 (centre position) is manually slided to a side (that side that battery folder 10 is placed), guide posts 54 is guided by the oval-shaped sliding button guide channel 19 on the aforementioned guidance part 20a, making that location on the transverse arm part 24 is protruding chews 25 and deviates from from the aforementioned engagement recess 29 of aforementioned locking device positioning area 21, and is directed to position as shown in figure 10.When aforementioned sliding button 22 was slided to opposite opposite side (that side that battery folder 9 is placed), the location on the aforementioned transverse arm part 24 is protruding chewed 25 and is meshing with each other in the mode shown in Figure 11 with aforementioned locking device positioning area 21.
Placing the aforementioned battery B1 and the B2 of battery folder 9 and 10 is discoidal lithium batteries, and their negative poles separately can be seen in Fig. 6 that the card body inside after aforementioned back shroud 6 quilts are opened is shown.
As shown in figure 12, each battery folder 9 and 10 is made of a clamp 30 and a negative spring 31.As shown in figure 12, the core on a surface of clamp 30 is provided with a battery accommodating groove 32.More particularly, aforementioned negative spring 31 is positioned at the inside of aforementioned battery holding tank 32.And as shown in figure 13, a negative pole web joint 33a is installed on the face (to call basal surface in the following text) of aforementioned clamp 30, and is relative with the residing side of battery accommodating groove (to call end face in the following text).The negative pole connecting portion 33b of aforementioned negative pole web joint 33a stretches to the rear end of clamp 30 as shown in figure 13, and is crooked then, so that its end separately extends upwardly to the end face of aforementioned clamp 30, shown in Figure 12 and 14.
As shown in figure 13, on the bottom surface of aforementioned clamp 30,, form the engaging piece 35 of a half elliptic dead slot 34 and a fillet shape,, form a slit 36 and an engagement bar 37 simultaneously at opposite side near a side of clamp front end.More specifically, a dihedral engaged claw 38 is arranged on the outer surface of aforementioned engagement bar 37.
As shown in figure 14, battery B is placed in the aforementioned battery holding tank 32 via the end face of aforementioned clamp 30.
Hereinafter described is that aforementioned battery folder 9 and 10 is in card packing into and take out on the body 2.
When the aforementioned battery folder 9 that battery B1 and B2 are housed and 10 is installed on the card body 2 shown in Fig. 6 and 9, the centre position of locking device 11 between each conversion gear.When this locking device 11 was positioned at this position, the left side on its sliding button 22 rear surfaces and the locking position 22a on right side and 22b were meshed with engagement position 35 and 35 on aforementioned battery folder 9 and 10 respectively.Like this, the battery folder 9 on left side and right side and 10 just all can not be removed.
As hereinafter describing aforementioned battery B1 and the series connection mutually of B2 system that is placed in battery folder 13 and 14.When aforementioned card body 2 when aforementioned keyboard equipment 7 disconnects, the electric power of aforementioned series connected battery B1 and B2 is just as the back-up source that is arranged on the aforementioned volatile memory in the aforementioned card body 2.
When changing refuse battery, aforementioned battery folder 9 and one of 10 is at first unloaded from card body 2, and the battery on the battery folder that is removed is replaced by a new battery, and then, this battery folder of having changed new battery is blocked body 2 by embedding again and is fixed in wherein.Then, unload the battery folder that remaining battery is not changed from card body 2 again, the battery on it is replaced with a new battery, then, this battery folder of having changed new battery is also embedded card body 2 again and is fixed in wherein.That is to say that aforementioned battery folder 9 and 10 can not unload simultaneously.
The step that at first is described as below changing battery B1 and takes out battery folder 9.At first, the aforementioned sliding button 22 of aforementioned locking device 11 is manually sliped off (sliding to battery folder 10 in other words) from aforementioned battery folder 9.So, the aforementioned location of aforementioned locking device 11 is protruding chews 25 effects that just are subjected to this sliding force, make aforementioned transverse arm part 24 that elastic deformation take place, thereby, the aforementioned location of aforementioned locking device 11 is protruding chew 25 just with the aforementioned locking device positioning area 21 that is positioned at card body 2 edges on engagement recess 29 be separated.Then, this location is protruding chews 25 and crosses the protruding of aforementioned locking device positioning area 21 and chew 28, arrives position as shown in figure 10.In this case, the right side of the transverse arm part 24 of aforementioned locking device 11 just enters dead slot 34 (see figure 10)s that are positioned at aforementioned battery folder 10 sidepieces.
At the right lock position 22b of the sliding button 22 of the aforementioned locking device 11 of position as shown in figure 10, be covered on the aforementioned engagement position 35 that is positioned on aforementioned battery folder 10 front end faces.On the other hand, locking position 22b in the left side of aforementioned sliding button 22 then is not covered on the aforementioned engagement position 35 on aforementioned battery folder 9 front end faces.Therefore, when aforementioned battery folder 9 was removed, its engagement position 35 can not blocked by aforementioned sliding button 22.Particularly, the engaged claw position 38 near aforementioned battery folder 9 front ends is meshed with the rank shape part 39 of aforementioned guidance part 20b; Yet, when aforementioned battery folder 9 by manually when aforementioned battery folder is inserted mouthful 15 directions and is extracted out, aforementioned engaged claw position 38 is easy to towards the distortion of slit 36 directions, thereby makes it to deviate from from rank shape part 39.Therefore, when aforementioned locking device 11 is positioned at position shown in Figure 10.Aforementioned battery folder 9 can be taken out from aforementioned card body 2.
And in this case, the electric power of the battery B2 in the battery folder 10 that is not removed is used as the back-up source of aforementioned volatile memory, thereby can keep the data of storing in this volatile memory.
From the aforementioned battery folder that is removed 9, take out aforementioned battery B1, change a new battery and reload aforementioned battery folder 9.This battery folder 9 is inserted mouth 15 via the battery folder on the card body 2 and is inserted into and is installed in the aforementioned battery folder accommodating chamber 13.
When aforementioned battery folder 9 is inserted mouthfuls 15 (see figure 7)s when being inserted into aforementioned battery folder accommodating chamber 13 via the battery folder of card on the body 2, the aforementioned engaged claw position 38 of this battery folder 9 is pressed towards the inside edge that aforementioned battery folder is inserted mouth 15, thereby makes aforementioned engagement bar 37 to slit 36 direction elastic deformations.When the inner end of aforementioned battery folder accommodating chamber 13 was arrived in the rear end of aforementioned battery folder 9, the aforementioned engagement bar that elastic deformation has taken place just recovered its shape, was meshed with the rank shape part 39 of aforementioned battery folder accommodating chamber 13.Simultaneously, aforementioned reed 17a and the 17b that is installed in aforementioned battery folder accommodating chamber 13 inner ends compressed by this battery folder 9.When keeping this state, aforementioned locking device 11 slips back to as shown in Figure 9 middle gear from a gear that is positioned at its glide direction one end as shown in figure 10, thereby makes aforementioned battery folder 9 and 10 taking-up that all is under an embargo.
Then, take off from card body 2 for the aforementioned battery folder 10 that battery is not changed as yet, the aforementioned sliding button 22 of aforementioned locking device 11 is manually sliped off (slide to battery folder 9 in other words, see Figure 11) from aforementioned battery folder 10.Aforementioned then battery folder 10 is removed with a new battery altering battery B2, more aforementioned battery folder 10 is adorned the aforementioned battery folder accommodating chamber 14 of people again.Being described in here of each step of this process (see figure 8) has been omitted, because they are similar with the relevant description with aforementioned battery folder 9 that provides previously.
Referring now to the wiring diagram of Figure 15 formed circuit between aforementioned battery B1, B2 and the load is described once.
The positive pole of a batteries B1 among aforementioned two series-connected cell B1 and the B2 links to each other with a voltage regulator circuit 42 by an electrode line 40.On the other hand, the negative pole of another battery B2 then links to each other with a load circuit 43 by a negative line.Aforementioned voltage regulator circuit 42 is connected with aforementioned load circuit 43.
Aforementioned battery B1 and B2 are lithium battery.If battery is new, they respectively have the voltage of 3.3V.Aforementioned load circuit 43 comprises a CPU, a ROM, a SRAM as volatile memory, a liquid crystal display driver circuit and an on-off circuit, or the like (be among the figure and illustrate).
Be higher than predeterminated level (is 3.0V according to this first embodiment) if be added on the voltage of aforementioned voltage regulator circuit 42, this voltage just is switched to this setting level (3.0V) back output.On the other hand, if input voltage is lower than aforementioned predetermined voltage (3.0V), this input voltage just directly is output (about 10 decay is arranged) by voltage regulator circuit.
Two diode D1 and D2 press forward and connect between the negative pole of the anodal and aforementioned battery B2 of aforementioned battery B1.And, between an input end of the anodal and aforementioned voltage regulator circuit 42 of aforementioned battery B1, be connected with a reverse choked flow diode D4.
More specifically, an end of an external power cord 51 links to each other with a node 50, and the latter is between the aforementioned input end of aforementioned reverse choked flow diode D4 on the aforementioned electrode line 40 and aforementioned voltage regulator circuit 42.This external power cord 51 links to each other with external power source terminals 52 of this external power cord 51 by an external power source diode D3.Like this, said external power lead 51 just links to each other with the negative pole of aforementioned reverse choked flow diode D4 by aforementioned nodes 50.On the other hand, the positive pole of aforementioned reverse choked flow diode D4 links to each other with the positive pole of aforementioned battery B1, also links to each other with the positive pole of aforementioned battery B2 by aforementioned diodes D1 simultaneously.Thereby, blocked by reverse choked flow diode D4 from the electric current of external power source terminals 52, and can not flow into aforementioned battery B1 and B2.
The running of circuit among Figure 15 is described below.
Aforementioned series connected battery B1 and B2 are with the voltage V of aforementioned battery B1
B1Voltage V with aforementioned battery B2
B2Summation, i.e. V
B1+ V
B2, provide electric power to aforementioned load circuit 43 as source voltage via aforementioned reverse choked flow diode D4 and aforementioned voltage regulator circuit 42.
In addition, when the said external supply terminals 52 of aforementioned external power cord 51 linked to each other with an external unit, 52 of these external power source terminals were by a direct supply voltage V from this external unit
INPower supply.
Under aforementioned storage card and situation that said external equipment links to each other, as the aforementioned DC voltage V that provides by this external unit
INBe higher than aforementioned battery B1 and B2 voltage V separately
B1And V
B2Sum V
B1+ V
B2, promptly work as V
IN＞(V
B1+ V
B2) time, this voltage V
INPower to aforementioned load circuit 43 as an external power source by said external power supply diode D3 and aforementioned voltage regulator circuit 42.In this case, aforementioned reverse choked flow diode D4 stops one to be derived from aforesaid voltage V
INCharging current flow into aforementioned battery B1 and B2.Said external power source voltage V
INBe transformed into by voltage regulator circuit 42 and supply with aforementioned load circuit 43 behind the 3.0V.
When aforementioned storage card 1 takes off from aforementioned external circuit, thereby when the two was disconnected mutually, aforementioned load circuit 43 was by aforementioned battery B1 and B2 voltage V separately
B1And V
B2Sum V
B1+ V
B2Power via aforementioned reverse choked flow diode D4 and aforementioned voltage regulator circuit 42 as its source voltage.If two batteries B1 and B2 are new battery, because they are to connect mutually with the voltage of 3.3V separately, the total voltage of a 6.6V just acts on aforementioned voltage regulator circuit 42, is transformed into behind the 3.0V to aforementioned load circuit 43 power supplies by the latter.
As the aforementioned direct supply voltage V that provides by the said external equipment that is connected with aforementioned storage card 1
INBe lower than aforementioned battery B1 and B2 voltage V separately
B1And V
B2Sum V
B1+ V
B2, promptly work as V
IN＜(V
B1+ V
B2) time, 43 of aforementioned load circuits are by aforementioned battery B1 and B2 power supply.
Depleted when the electric power of aforementioned battery B1 and B2, when its voltage drops to about 3.0 to 2.9V, just must more renew battery.Circuit conditions when at first describing a battery B2 and be removed with reference to Figure 16 below.
In Figure 16, the battery B1 of Qu Chuing is not with its voltage V
B1(3.0 to 2.9V) acts on aforementioned voltage regulator circuit 42 via aforementioned reverse choked flow diode D4, voltage regulator circuit 42, load circuit 43 and diode D2.The voltage V of this battery B1
B1From aforementioned voltage regulator circuit 42 directly by (10 loss is arranged approximately), supply load circuit 43.At this moment, pass through the back-up source of a voltage of aforementioned voltage regulator circuit 42 supply load circuit 43 by aforementioned battery B1, to keep data storage wherein as the SRAM of aforementioned load circuit.
After aforementioned battery B2 was replaced by a new battery, aforementioned battery B1 also was removed replacing.Figure 17 shows the state that aforementioned battery B1 is removed.In Figure 17, aforementioned battery B2 is with its voltage V
B2Act on aforementioned voltage regulator circuit 42 via aforementioned diodes D1, reverse choked flow diode D4, voltage regulator circuit 42 and load circuit 43.Aforementioned voltage regulator circuit 42 is with the voltage V of aforementioned battery B2
B2(3.3V) be transformed into 3.0V, and supply load circuit 43.At this moment, pass through the back-up source of a voltage of aforementioned voltage regulator circuit 42 supply load circuit 43 by aforementioned battery B2, to keep data storage wherein as the SRAM of aforementioned load circuit 43.After this, aforementioned battery B1 is replaced by a new battery, and circuit shown in Figure 15 is rebulid again.
As described above, under a battery B2 was removed in order to the situation of changing battery, remaining another battery B1 just was used as the back-up source of aforementioned volatile memory.After battery B2 is finished by new battery altering another battery B1 is taken out when changing, the battery B2 that newly changes just is used as the back-up source of aforementioned volatile memory.Like this, battery just can be replaced singly and not interrupt electric power supply to aforementioned volatile memory, thereby the data of being stored in the aforementioned volatile memory are kept.
When aforementioned battery B2 is removed as shown in figure 16, perhaps when aforementioned battery B1 is removed as shown in figure 17, if the DC voltage V that is provided by the said external equipment that is connected with aforementioned storage card 1 on it
INThe voltage V that is higher than aforementioned battery B1
B1Or the voltage V of aforementioned battery B2
B2The time, that is to say, work as V
IN＞V
B1Or V
IN＞V
B2The time, aforesaid voltage V
INBe supplied to aforementioned load circuit 43 as outer power voltage by said external power supply diode D3 and aforementioned voltage regulator circuit 42.In this case, aforementioned reverse choked flow diode D4 stops one to be derived from aforesaid voltage V
INCharging current flow into aforementioned battery B1 and B2.Said external power source voltage V
INBe transformed into by voltage regulator circuit 42 and supply with aforementioned load circuit 43 behind the 3.0V.
As described above, according to first kind of embodiment, aforementioned two battery folder accommodating chambers 13 and 14 are by guidance part 20a, 20b and another 20b are arranged at by formed in aforementioned card body 2 and the aforementioned back shroud 6 determined spaces, and the battery folder 9 and 10 that aforementioned battery B1 and B2 are housed is respectively placed in aforementioned two battery folder accommodating chambers 13 and 14 separately.Be welded in the position of coding 53 indications among Fig. 6 respectively respectively with anodal contacted aforementioned anodal reed 17a, the 18a of aforementioned battery B1 and B2 and the aforementioned anode reed 17b, the 18b that contact with negative pole respectively.
18 to 22 alternative of describing first kind of embodiment of the present invention, i.e. second kind of embodiment with reference to the accompanying drawings.
According to second kind of embodiment, the battery chamber forms in by a card body 2 and a back shroud 6 determined spaces, and battery B1 and B2 are directly placed (that is to say, be not to place in the aforementioned battery folder accommodating chamber 13) in the battery compartment, and can therefrom take out respectively.More specifically, the feature with aforementioned battery B1 and contacted positive pole of B2 and anode reed is that it is indoor that they are installed in aforementioned plastic battery, and be not welded on any circuit board.
At first one battery carrier is described with reference to Figure 18.The latter is used for inserting by in aforementioned card body 2 and the aforementioned back shroud 6 determined aforesaid space, to form aforementioned two battery chambers.
This battery carrier 60 be first kind among the embodiment guidance part 20a and the replacement parts of 20b, as shown in figure 18, be the plastic components of a whole die casting, comprise left member 61, one a right member 62, an intermediate member 63 with one in order to be connected the web member 64 of aforementioned each member 61,62,63.
Aforementioned left member 61 and right member 62 have the guidance part 61a and the 62a of wall shape respectively, are used for guiding aforementioned battery with its installation, taking-up or fixing.Aforementioned each guidance part 61a or 62a respectively have a preset thickness (in the back side one side of the plotting paper of Figure 18), and guide each battery by its annular periphery surface.Like this, in the middle of the aforementioned battery one is positioned by the guidance part 61a of aforementioned left member 61 and the guidance part 63a of aforementioned intermediate member 63, simultaneously, another in the aforementioned battery then is positioned by the guidance part 62a of aforementioned right member 62 and the another guidance part 63a of aforementioned intermediate member 63.
Particularly, be formed with a locking device positioning area 21 on the aforementioned intermediate member 63, aforementioned locking device positioning area 21 (see figure 6)s among the latter and the first kind of embodiment have identical function.More specifically, be formed with the open-work 63e that a diameter is D on the aforementioned intermediate member 63.Four thin and short projection 63d are arranged around this open-work 63e.Also be formed with projection 61d and 62d on aforementioned left member 61 and the right member 62 respectively with the same thickness length of aforementioned projection 63d.These projections 63d, 61d all are formed at that side relative with 62a place side with aforementioned guidance part 63a, 61a (being front one side of Figure 18 place drawing) with 62d.
Referring now to the planimetric map of Figure 19 the structure that a battery on the both positive and negative polarity that the both positive and negative polarity that is used for aforementioned battery is connected to a circuit board connects spring is described once.
It is integrally formed by a nickel plating stainless steel substrates that one battery connects spring 70, and wherein, a pair of anodal spring 71,72 is connected 75 places with a pair of negative spring 73,74 in central authorities and interconnects.This battery connects spring 70 four slits, longitudinally with laterally is connected 75 extensions to central authorities respectively.More specifically, be formed with open- work 71d and 72d respectively on the aforementioned anodal spring 71 and 72, also be formed with open- work 73d and 74d on the aforementioned negative spring 73 and 74 respectively.
Open- work 71d, 72d, 73d and 74d diameter and the layout separately that aforementioned battery connects on the spring 70 corresponds respectively to aforementioned projection 61d, 62d and 63d diameter and layout separately.Like this, be connected aforementioned open- work 71d, 72d, 73d and 74d on the spring 70 by aforementioned projection 61d, 62d on the aforementioned battery carrier and 63d being passed aforementioned battery respectively, and aforementioned each projection 61d, 62d and 63d upper end separately riveted tightly, just the aforementioned battery among Figure 19 can be connected spring 70 and install, be overlying on the aforementioned battery carrier 60 among Figure 18.Figure 20 shows the result of above-mentioned installation.Under state shown in Figure 20, the center of the aforementioned open-work 63e of aforementioned intermediate member 63 connects 75 center vertical stack mutually with centre among aforementioned battery is connected spring 70.
In Figure 20, the dot-and-dash line circle is represented battery B1 and the B2 that places in the aforementioned battery carrier 60 respectively.When shutting aforementioned battery cover 61b and 62b behind in aforementioned battery carrier 60, pack into battery B1 and the B2, aforementioned battery B1 and B2 negative pole are separately depressed aforementioned negative spring 73 and 74 respectively, thereby keep the negative pole of aforementioned battery B1, B2 and contacting of aforementioned negative spring 73,74, and the contact between the negative pole (not shown) of aforementioned negative spring 73,74 and aforementioned circuit plate.On the other hand, aforementioned battery B1 and B2 positive pole (inner ring of dot-and-dash line circle) separately bends aforementioned anodal spring 71 and 72 respectively backward, thereby keep the positive pole of aforementioned battery B1, B2 and contacting of aforementioned anodal spring 71,72, and the contact between the anodal (not shown) of aforementioned anodal spring 71,72 and aforementioned circuit plate.
Because the aforementioned anodal spring 71,72 of the aforementioned battery connection spring 70 shown in Figure 20 still is connected 75 by aforementioned central authorities with aforementioned negative spring 73,74 and interconnects, they must be decomposed out.Therefore, with reference to Figure 22 a kind of method of decomposing aforementioned spring 70 is described below.
Figure 22 is an enlarged drawing, and the central authorities that show the aforementioned battery connection spring 70 among Figure 20 connect near 75 zones.This central authorities connect 75 be positioned at open-work 63e (diameter is D) on the aforementioned intermediate member 63 of aforementioned battery carrier 60 directly over.This open-work 63e (diameter is D) is promptly represented in dashdotted outer ring among Figure 22.Wash out by utilizing and its diameter d coaxial aforementioned central authorities to be connected 75 less than the punching tool (its diameter is corresponding to dashdotted inner ring among Figure 22) of D with aforementioned open-work 63e, four slit part h, i, j and k making aforementioned battery connect spring 70 are connected, thereby just make aforementioned each spring 71,72,73 and 74 disassemble mutually.It is that (＞d) aforementioned open-work 63e takes out D by diameter that the aforementioned central authorities that are rushed out connect 75.Figure 21 shows each spring 71,72,73 and 74 that is separated.
Below with reference to Figure 21 aforementioned battery cover 61b and the 62b maintenance by a locking device is described once.
One locking device 11 has same shape and the function of aforementioned locking device 11 (see figure 9)s among aforementioned first kind of embodiment.More precisely, aforementioned locking device 11 comprises that one is installed in the sliding button 22 leading section, that slide along the Width of aforementioned card body 2 of the intermediate member 63 of aforementioned battery carrier 60, the leg portion 23 of one and one slip guide posts, 54 one, the one oval transverse arm part 24 that forms at the end of aforementioned leg portion 23, and one be formed at that the dihedral location of aforementioned transverse arm part 24 front ends is protruding chews 25.
On the other hand, with the aforementioned locking device positioning area 21 on the similar intermediate member that is formed at aforementioned battery carrier 60 of first kind of embodiment, have on it that two dihedrals are protruding chews 27 and 28.
Therefore, in the present embodiment, as in first kind of embodiment, when aforementioned sliding button 22 is placed in centre position (position shown in Figure 21), two ends of aforementioned left side and right side battery cover 61b and 62b are formed on left side on aforementioned sliding button 22 rear surfaces and right lock position 22a and 22b respectively and depress, thereby make aforementioned left side and right side battery cover 61b and 62b be locked to a closure state.When aforementioned sliding button 22 slides to the right from position shown in Figure 21, to chew 25 aforementioned two protruding chewing when deviating from one between the 27 and 28 engagements recess with aforementioned location is protruding from aforementioned battery carrier 60, engagement between aforementioned left side battery cover 61b and the aforementioned left side locking position 22a just is cancelled, thereby aforementioned left side battery cover 61b can manually be raised, be removed to allow aforementioned battery B1 wherein.At this moment, aforementioned right side battery cover 62b and aforementioned right lock position 22b still are meshed, thereby aforementioned right side battery cover 62b can not be raised.Equally, when aforementioned sliding button 22 during from position shown in Figure 21 slides left, aforementioned right side battery cover 62b can be raised, and be removed to allow aforementioned battery B2 wherein, and this moment, aforementioned left side battery cover 61b is still blocked.
According to second kind of embodiment described above, at first, having diameter on the aforementioned intermediate member 63 of aforementioned battery carrier 60 is the aforementioned open-work 63e of D; The aforementioned central authorities connection 75 that aforementioned battery connects spring 70 is placed on the aforementioned open-work of aforementioned battery carrier 60; Then, getting one by punching press passes aforementioned central authorities to connect 75 diameter is d (＜D) hole.On the intermediate member 63 of aforementioned battery carrier 60, can not be to form aforementioned open-work 63e, but form a diameter be D bottom outlet (blind hole) arranged, with as Free up Memory.But, state before use under the situation of bottom outlet, after withdrawing punching tool, the central authorities of being washed out should be connected 75 and from the hole, pull out.
Because the circuit between aforementioned battery B1, B2 and the aforementioned load is to arrange by the mode (Figure 15 to 17) identical with first kind of embodiment, this part description has just been omitted.
Claims (16)
1. portable information device comprises:
One has the casing that first and second batteries inserted mouthful, were equipped with a circuit board at the one end;
Be arranged at first and second battery chambers in the aforesaid chassis inner space, that be connected with aforementioned first and second batteries insertion mouth respectively; With
One for the locking device of limit battery from aforementioned first and second batteries insertion mouthful taking-up,
This locking device can be established three kinds of states: first kind of state is placed in battery in first and second battery chambers and is under an embargo simultaneously and takes out from aforementioned two batteries insert mouthful; Second kind of state can insert the mouth from aforementioned first battery and take out battery, but forbids taking out battery from aforementioned second battery insertion mouth; The third state can insert the mouth from aforementioned second battery and take out battery, but forbids taking out battery from aforementioned first battery insertion mouth.
2. a kind of portable information device according to claim 1, wherein, one spacing frame is housed in the aforesaid chassis, the latter's a end places near aforementioned first and second batteries juncture area between inserting mouthful, thereby make by this spacing frame and divide a compartment equally as aforementioned first battery chamber, another compartment is then as aforementioned second battery chamber, and simultaneously, aforementioned locking device is installed on this spacing frame.
3. a kind of portable information device according to claim 1 and 2, wherein, aforementioned locking device is installed in one and constitutes on the parts of aforementioned first and second battery chambers, can move along aforementioned end with casing of aforementioned battery insertion mouth, this locking device presents aforementioned first kind of state when being positioned at a centre position, present aforementioned second kind of state when aforementioned second battery inserts mouth when shifting to, present aforementioned the third state when aforementioned first battery inserts mouth when shifting to from aforementioned centre position from aforementioned location.
4. a kind of portable information device according to claim 1, wherein, placing the aforementioned battery in aforementioned first and second battery chambers is the battery that is contained in battery folder, aforementioned locking device is meshed with a zone of aforementioned battery folder or throws off, thus the dismounting of forbidding or allowing aforementioned battery folder to insert mouthful by aforementioned battery.
5. a kind of portable information device according to claim 1, wherein, aforementioned first and second batteries insert mouth and have first and second battery covers that can shut and open aforementioned battery insertion mouth respectively, aforementioned locking device is meshed with in the aforementioned battery cover one or two, thereby controls the switching manipulation of aforementioned battery cover.
6. a kind of portable information device according to claim 1, wherein, aforementioned first and second battery covers have hinge portion near left side that has the aforesaid chassis end that aforementioned battery inserts mouthful and position, right side, so that when aforementioned battery insertion mouth was closed, each free end of aforementioned battery cover can arrive the position that is meshed with aforementioned locking device.
7. a kind of portable information device according to claim 1, wherein, aforementioned first battery chamber and aforementioned second battery chamber are that the plastic components by a whole die casting constitutes.
8. according to claim 5,6 or 7 described a kind of portable information devices, wherein, aforementioned first and second battery covers and aforementioned first and second battery chambers are an integral body.
9. a kind of portable information device according to claim 1, wherein, aforementioned first and second battery chambers comprise a guidance part, be directed to fixed position in the battery chamber inserting mouthful aforementioned circle battery that inserts by aforementioned first and second batteries, and it is fixed in this position.
10. a kind of portable information device according to claim 9, wherein, aforementioned guidance part and aforementioned first and second battery chambers are an integral body.
11. a kind of portable information device according to claim 10, wherein, one parts that constitute aforementioned first and second battery chambers are equipped with a battery and connect spring, so that connect the supply terminals that places aforementioned circuit plate in interior aforementioned battery of battery compartment and the aforesaid chassis.
12. a kind of portable information device according to claim 11, wherein, aforementioned battery connects spring and is made of two pairs of springs: the positive pole and the negative pole of the battery in a pair of spring and aforementioned first battery chamber contact, and another contacts with the positive pole and the negative pole of battery in placing aforementioned second battery chamber to spring.
13. a kind of portable information device according to claim 12, wherein, aforementioned with place first battery chamber in the positive pole of battery and negative pole contact a pair of spring and aforementioned and place the positive pole of the battery in second battery chamber and negative pole contacted another be to obtain to spring by the connecting portion that excises a sheet metal that constitutes by four parts.
14. a kind of portable information device according to claim 13, wherein, when aforementioned connecting portion is cut, the aforementioned metal sheet is fixed in a definite constant position with respect to the parts of aforementioned formation battery compartment, so that aforementioned four parts of aforementioned metal sheet when its connecting portion cut and when disassembling, these four parts are still intactly stayed in the battery compartment, constitute the battery that connects the aforementioned battery and the supply terminals of aforementioned circuit plate respectively and are connected spring.
15. a kind of portable information device according to claim 14, wherein, the excision of aforementioned connecting portion is finished by the one-off hole-piercing action.
16. a kind of portable information device according to claim 13, wherein, when aforementioned sheet metal is fixed in one when determining constant position with respect to the parts that constitute battery compartment, a zone on the parts of this formation battery compartment is suitable for the aforementioned connecting portion overlaid with the aforementioned metal sheet, one its diameter is arranged greater than open-work or blind hole on this zone, the Free up Memory with as punching the time at the diameter of the connecting portion punching of aforementioned metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97190113A CN1180425A (en) | 1996-02-26 | 1997-02-24 | Portable information equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61605/96 | 1996-02-26 | ||
| CN97190113A CN1180425A (en) | 1996-02-26 | 1997-02-24 | Portable information equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1180425A true CN1180425A (en) | 1998-04-29 |
Family
ID=5178643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97190113A Pending CN1180425A (en) | 1996-02-26 | 1997-02-24 | Portable information equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1180425A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860458A (en) * | 2016-12-28 | 2019-06-07 | 深圳市大疆灵眸科技有限公司 | Power supply mould group and holder |
-
1997
- 1997-02-24 CN CN97190113A patent/CN1180425A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109860458A (en) * | 2016-12-28 | 2019-06-07 | 深圳市大疆灵眸科技有限公司 | Power supply mould group and holder |
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