JP2011060578A - Waterproof structure for battery holder - Google Patents

Waterproof structure for battery holder Download PDF

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JP2011060578A
JP2011060578A JP2009209052A JP2009209052A JP2011060578A JP 2011060578 A JP2011060578 A JP 2011060578A JP 2009209052 A JP2009209052 A JP 2009209052A JP 2009209052 A JP2009209052 A JP 2009209052A JP 2011060578 A JP2011060578 A JP 2011060578A
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battery
case
waterproof structure
lid
peripheral surface
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Tsukuhide Harada
証英 原田
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Harada Electronics Industry Co Ltd
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Harada Electronics Industry Co Ltd
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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

<P>PROBLEM TO BE SOLVED: To improve waterproof performance of a waterproof structure for a battery holder of a downsized electronic device with a simple constitution. <P>SOLUTION: In the waterproof structure for the battery holder which is installed in the battery holder wherein a battery 2 is held in a case 1 of the electronic device, contacts 3, 4 are contacted with electrodes 2a, 2b of its battery 2, and exchange of the battery 2 is made possible by opening a lid 5 to cover an opening part 1a for exchanging the battery in its case 1 and in which invasion of water from the opening part 1a for exchanging the battery into the case 1 is prevented, on the inner peripheral face of the opening part 1a for exchanging the battery in the case 1, an annular elastic sealing member 7 is installed which is watertightly fitted to the outer peripheral face 2a of the battery 2 in the case 1 and in which the opening part 1a for exchanging the battery is sealed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

この発明は、電子機器のケース内で電池を保持してその電池の電極に接点を接触させるとともに、そのケースの電池交換用開口部を覆う蓋の開放により電池の交換を可能にする電池ホルダに関し、特にはその電池ホルダに用いられ、電池交換用開口部からのケース内への水の侵入を防止する防水構造に関するものである。   The present invention relates to a battery holder that holds a battery in a case of an electronic device and makes a contact with an electrode of the battery, and enables replacement of the battery by opening a cover that covers the battery replacement opening of the case. In particular, the present invention relates to a waterproof structure that is used for the battery holder and prevents water from entering the case from the battery replacement opening.

従来の上述の如き電池ホルダとしては、例えば図２に示すように、電子機器のケース１内でボタン型の電池２を保持してその電池２の円筒状の外周面２ａおよび一方の端面２ｂに位置する電極に基板上の接点３，４をそれぞれ接触させるとともに、そのケース１の電池交換用開口部１ａを覆う蓋５の開放により電池２の交換を可能にし、その蓋５を小ねじ６によってケース１に開放可能に固定したものが知られており、この電池ホルダはケース１に、蓋５との間に介在して電池交換用開口部１ａを囲繞する環状の弾性シール部材７を設けて、電池交換用開口部１ａからのケース１内への水の侵入を防止する防水構造を構成している。   As a conventional battery holder as described above, for example, as shown in FIG. 2, a button-type battery 2 is held in a case 1 of an electronic device, and the battery 2 has a cylindrical outer peripheral surface 2a and one end surface 2b. The contacts 3 and 4 on the substrate are brought into contact with the electrodes located on the substrate, and the battery 2 can be replaced by opening the cover 5 that covers the battery replacement opening 1a of the case 1. A battery holder that is releasably fixed to the case 1 is known, and this battery holder is provided with an annular elastic seal member 7 interposed between the cover 5 and surrounding the battery replacement opening 1a. The waterproof structure for preventing water from entering the case 1 from the battery replacement opening 1a is configured.

また特許文献１により、蓋に電池を囲むように筒状部を形成し、上記小ねじ６に替えてその筒状部の外周面に形成した雄ねじを、ケースの電池交換用開口部の内周面に形成した雌ねじと螺合させて蓋を開閉可能とした電池ホルダも従来から知られており、この電池ホルダもケースに、蓋との間に介在して電池交換用開口部を囲繞する環状の弾性シール部材を設けて、電池交換用開口部からのケース内への水の侵入を防止する防水構造を構成している。   Further, according to Patent Document 1, a cylindrical part is formed so as to surround the battery in the lid, and the male screw formed on the outer peripheral surface of the cylindrical part instead of the small screw 6 is used as the inner periphery of the battery replacement opening of the case. A battery holder that can be opened and closed by screwing with a female screw formed on the surface is also known in the past, and this battery holder is also interposed between the case and the lid to surround the battery replacement opening. This waterproof seal member is provided to prevent water from entering the case from the battery replacement opening.

さらに、図３に示すように、蓋５をヒンジ８で開閉可能にケース１に支持して、その蓋５の鉤爪状の掛止部５ａをケース１の掛合部１ｂに掛止することで蓋５の閉止状態を維持する電池ホルダも従来から知られており、この電池ホルダもケース１に、蓋５との間に介在して電池交換用開口部１ａを囲繞する環状の弾性シール部材７を設けて、電池交換用開口部１ａからのケース１内への水の侵入を防止する防水構造を構成している。   Further, as shown in FIG. 3, the lid 5 is supported by the case 1 so that it can be opened and closed by a hinge 8, and the claw-like hooking portion 5 a of the lid 5 is hooked on the hooking portion 1 b of the case 1. A battery holder that maintains the closed state of the battery 5 is also known, and this battery holder is also provided in the case 1 with an annular elastic seal member 7 interposed between the lid 5 and surrounding the battery replacement opening 1a. A waterproof structure is provided to prevent water from entering the case 1 from the battery replacement opening 1a.

特開２００５−２１６５１２号公報JP 2005-216512 A

しかしながら、手のひらに載る電子辞書等のような小型の電子機器においては、ケースだけでなく蓋も小型、薄肉とすることが求められるため、蓋に充分な強度を持たせ得ないことから、上記各従来技術のようにケースと蓋との間に環状の弾性シール部材を介在させて電池交換用開口部からのケース内への水の侵入を防止するようにすると、弾性シール部材から加わる弾性反発力で蓋に変形が生じて充分な防水性能が得られないという問題があり、特に、図３に示すように蓋５の両端部にヒンジ８と掛止部５ａとを配置したヒンジ式の蓋では、蓋の支持間隔が広くなるためこの問題が顕著であった。   However, in a small electronic device such as an electronic dictionary placed on the palm, since not only the case but also the lid is required to be small and thin, the lid cannot have sufficient strength. When an annular elastic seal member is interposed between the case and the lid as in the prior art to prevent water from entering the case from the battery replacement opening, the elastic repulsion force applied from the elastic seal member In the case of a hinged lid in which hinges 8 and latching portions 5a are arranged at both ends of the lid 5, as shown in FIG. This problem is remarkable because the support interval of the lid becomes wide.

この発明は、上記従来の防水構造の課題を有利に解決するものであり、この発明の電池ホルダ用防水構造は、電子機器のケース内で電池を保持してその電池の電極に接点を接触させるとともに、そのケースの電池交換用開口部を覆う蓋の開放により前記電池の交換を可能にする電池ホルダに設けられ、前記電池交換用開口部からの前記ケース内への水の侵入を防止する電池ホルダ用防水構造において、前記ケースの前記電池交換用開口部の内周面に、前記ケース内の電池の外周面と水密に嵌合して前記電池交換用開口部をシールする環状の弾性シール部材を設けたことを特徴とするものである。   The present invention advantageously solves the above-described problems of the conventional waterproof structure. The waterproof structure for a battery holder according to the present invention holds a battery in a case of an electronic device and brings a contact point into contact with the electrode of the battery. And a battery that is provided in a battery holder that allows the battery to be replaced by opening a cover that covers the battery replacement opening of the case, and prevents water from entering the case from the battery replacement opening. In the waterproof structure for a holder, an annular elastic seal member that fits water tightly with the outer peripheral surface of the battery in the case to the inner peripheral surface of the battery replacement opening of the case and seals the battery replacement opening. Is provided.

かかる電池ホルダ用防水構造にあっては、ケースの電池交換用開口部の内周面に、ケース内の電池の外周面と水密に嵌合して電池交換用開口部をシールする環状の弾性シール部材を設けているため、弾性シール部材は、ケースの電池交換用開口部の内周面と電池の外周面との間で圧縮されてそれら内外周面に弾性反発力を及ぼし、電池交換用開口部を覆う蓋の強度にかかわらずシール性を発揮する。しかも蓋には、弾性シール部材の弾性反発力が加わらない。   In such a waterproof structure for a battery holder, an annular elastic seal that seals the battery replacement opening with the inner peripheral surface of the battery replacement opening of the case in a watertight manner with the outer peripheral surface of the battery in the case. Since the member is provided, the elastic seal member is compressed between the inner peripheral surface of the battery replacement opening of the case and the outer peripheral surface of the battery, exerting an elastic repulsive force on the inner peripheral surface, and the battery replacement opening. Exhibits sealing performance regardless of the strength of the lid covering the part. Moreover, the elastic repulsive force of the elastic seal member is not applied to the lid.

従って、この発明の電池ホルダ用防水構造によれば、蓋を小型、薄肉としても充分な防水性能を得ることができ、しかも、蓋を小型、薄肉としても蓋の変形を防止することができ、これらの効果は、特に小型の電子機器のケースやヒンジ式の蓋において有益である。   Therefore, according to the waterproof structure for a battery holder of the present invention, sufficient waterproof performance can be obtained even if the lid is small and thin, and deformation of the lid can be prevented even if the lid is small and thin. These effects are particularly beneficial in small electronic equipment cases and hinged lids.

なお、この発明の電池ホルダ用防水構造においては、前記環状の弾性シール部材は前記電池交換用開口部の内周面の、前記接点よりも外部に近い位置に配置しても良い。このようにすれば、ケース内だけでなく接点周りの防水性能も得ることができきるので、接点やそこへの通電経路の防水を別途行う必要性をなくすことができる。   In the battery holder waterproof structure according to the present invention, the annular elastic seal member may be disposed on the inner peripheral surface of the battery replacement opening at a position closer to the outside than the contact. In this way, it is possible to obtain a waterproof performance not only in the case but also around the contact point, so that it is possible to eliminate the necessity of separately waterproofing the contact point and the energization path there.

また、この発明の電池ホルダ用防水構造においては、前記電池はボタン型のものであっても良い。ボタン型の電池であれば、円筒状の外周面と一方の端面とが電極になっていることから、そのボタン型電池の電極端面を内向きにしてケース内に保持して外周面を弾性シール部材でシールすることで、容易に防水構造を構成することができ、その際、接点をその電極端面と外周面とに弾性シール部材よりもケース内側で接触させることで、接点周りも含めた防水性を容易に達成することができる。   In the waterproof structure for a battery holder of the present invention, the battery may be a button type. If it is a button type battery, the cylindrical outer peripheral surface and one end surface are electrodes, so the electrode end surface of the button type battery is held inward and the outer peripheral surface is elastically sealed. Sealing with a member makes it possible to easily form a waterproof structure. At that time, the contact is brought into contact with the electrode end surface and the outer peripheral surface inside the case with respect to the elastic sealing member. Sex can be easily achieved.

そして、この発明の電池ホルダ用防水構造においては、前記環状の弾性シール部材はオー（Ｏ）リングであっても良い。このようにすれば、オーリングは種々の機械に多用されているため一般に容易かつ安価に入手できるので、防水構造を容易かつ安価に構成することができる。   In the waterproof structure for a battery holder according to the present invention, the annular elastic seal member may be an O (O) ring. In this way, since the O-ring is widely used in various machines, it is generally easy and inexpensive to obtain, so that the waterproof structure can be easily and inexpensively configured.

この発明の電池ホルダ用防水構造の一実施例を示す断面図である。It is sectional drawing which shows one Example of the waterproof structure for battery holders of this invention. 従来の電池ホルダ用防水構造の一例を示す断面図である。It is sectional drawing which shows an example of the conventional waterproof structure for battery holders. 従来の電池ホルダ用防水構造の他の一例を示す断面図である。It is sectional drawing which shows another example of the conventional waterproof structure for battery holders.

以下、本発明の実施の形態を実施例によって、図面に基づき詳細に説明する。ここに、図１は、この発明の電池ホルダ用防水構造の一実施例を示す断面図であり、図中、図２，３の従来例と同様の部分はそれと同一の符号にて示す。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view showing an embodiment of the waterproof structure for a battery holder according to the present invention. In the figure, the same parts as those of the conventional example of FIGS.

ここにおける電池ホルダは、電子機器のケース１内でボタン型の電池２を保持してその電池２の外周面２ａおよび一方の端面２ｂに位置する電極に基板上の接点３，４をそれぞれ接触させるとともに、そのケース１の円形の電池交換用開口部１ａを覆う蓋５の開放により電池２の交換を可能にし、その蓋５をヒンジ８によってケース１に開閉可能に支持して、その蓋５の鉤爪状の掛止部５ａをケース１の掛合部１ｂに掛止することで蓋５の閉止状態を維持するものである。   The battery holder here holds the button-type battery 2 in the case 1 of the electronic device, and contacts the contacts 3 and 4 on the substrate with the electrodes located on the outer peripheral surface 2a and one end surface 2b of the battery 2, respectively. At the same time, the battery 2 can be replaced by opening the lid 5 covering the circular battery replacement opening 1a of the case 1, and the lid 5 is supported by the hinge 1 so as to be openable and closable. The closed state of the lid 5 is maintained by hooking the hook-like hooking portion 5 a on the hooking portion 1 b of the case 1.

そして上記電池ホルダに設けられて、電池交換用開口部１ａからのケース１内への水の侵入を防止するこの実施例の防水構造は、ケース１の電池交換用開口部１ａの内周面に、ケース１内の電池２の円筒状の外周面２ａと水密に嵌合して電池交換用開口部１ａをシールする環状の弾性シール部材７を設けてなるものである。   The waterproof structure of this embodiment, which is provided on the battery holder and prevents water from entering the case 1 from the battery replacement opening 1a, is formed on the inner peripheral surface of the battery replacement opening 1a of the case 1. An annular elastic seal member 7 is provided that is watertightly fitted to the cylindrical outer peripheral surface 2a of the battery 2 in the case 1 and seals the battery replacement opening 1a.

ここで、接点３は二つの金属片からなり、それらの金属片は電池２の円筒状の外周面２ａを両側から挟み込んでその外周面２ａとの接触導通状態を維持するとともに、電池２を保持して電池２の一方の端面２ｂと接点４との接触導通状態を維持する。   Here, the contact 3 is composed of two metal pieces, and the metal pieces sandwich the cylindrical outer peripheral surface 2a of the battery 2 from both sides to maintain the contact conduction state with the outer peripheral surface 2a and hold the battery 2. Thus, the contact conduction state between the one end surface 2b of the battery 2 and the contact 4 is maintained.

また、弾性シール部材７は通常の合成ゴム製のオー（Ｏ）リングからなり、接点３よりもケース１の外部に近い位置で電池交換用開口部１ａの内周面に形成された環状溝１ｃ内に嵌装され、電池交換用開口部１ａの内周面と電池２の円筒状の外周面２ａとの間で圧縮されてそれら内外周面１ａ，２ａに弾性反発力を及ぼすことで、それら内外周面１ａ，２ａと水密に嵌合して電池交換用開口部１ａをシールする。   The elastic seal member 7 is made of a normal synthetic rubber O (O) ring, and is formed on the inner peripheral surface of the battery replacement opening 1a at a position closer to the outside of the case 1 than the contact 3 is. By being inserted between the inner peripheral surface of the battery replacement opening 1a and the cylindrical outer peripheral surface 2a of the battery 2 and exerting an elastic repulsive force on the inner and outer peripheral surfaces 1a, 2a. The battery replacement opening 1a is sealed by watertight fitting with the inner and outer peripheral surfaces 1a and 2a.

なお、かかる電池ホルダにおいて電池２を取り出す際には、蓋５を爪先やドライバー等で引っ掛けて開いた後、電池交換用開口部１ａの反対側からケース１を押して弾性的に撓ませることで電池２を押し出しても良く、あるいはケース１の電池交換用開口部１ａ付近を手に当てて止めた反動で電池２を出させても良く、あるいはケース１の内外に設けたレバーを、ケース１を貫通させてオーリング等により水密にシールした軸で連結し、ケース１外のレバーの揺動操作でケース１内のレバーを揺動させて電池２を押し出すようにしても良い。   When the battery 2 is taken out from such a battery holder, the cover 5 is opened by hooking with a toe or a screwdriver, and then the case 1 is pushed and elastically bent from the opposite side of the battery replacement opening 1a. 2 may be pushed out, or the battery 2 may be pushed out by a reaction that stops the battery replacement opening 1a of the case 1 by touching it with a hand, or a lever provided inside or outside the case 1 is attached to the case 1 The battery 2 may be pushed out by connecting through a shaft that is penetrated and sealed in a watertight manner by an O-ring or the like, and the lever in the case 1 is swung by a swinging operation of the lever outside the case 1.

従って、この実施例の電池ホルダ用防水構造によれば、蓋５を小型、薄肉としても充分な防水性能を得ることができ、しかも、蓋５を小型、薄肉としても蓋５の変形を防止することができ、これらの効果は、特に小型の電子機器のケースやヒンジ式の蓋において有益である。   Therefore, according to the waterproof structure for a battery holder of this embodiment, sufficient waterproof performance can be obtained even if the lid 5 is small and thin, and deformation of the lid 5 is prevented even if the lid 5 is small and thin. These effects are particularly beneficial in small electronic equipment cases and hinged lids.

また、この実施例の電池ホルダ用防水構造によれば、環状の弾性シール部材７はケース１の電池交換用開口部１ａの内周面の、接点３，４よりも外部に近い位置に配置しているので、ケース１内だけでなく接点３，４周りの防水性能も得ることができきるので、接点３，４やそこへの通電経路の防水を別途行う必要性をなくすことができる。   Further, according to the battery holder waterproof structure of this embodiment, the annular elastic seal member 7 is arranged on the inner peripheral surface of the battery replacement opening 1a of the case 1 at a position closer to the outside than the contacts 3 and 4. Therefore, the waterproof performance not only in the case 1 but also around the contacts 3 and 4 can be obtained, so that it is possible to eliminate the necessity of separately waterproofing the contacts 3 and 4 and the energization path there.

さらに、この実施例の電池ホルダ用防水構造によれば、電池２はボタン型のものであるので、円筒状の外周面２ａと一方の端面２ｂとが電極になっていることから、そのボタン型電池２の電極端面２ｂを内向きにしてケース１内に保持して外周面２ａを弾性シール部材７でシールすることで、容易に防水構造を構成することができ、その際、接点３，４をその電極端面２ｂと外周面２ａとに弾性シール部材７よりもケース内側で接触させることで、接点３，４周りも含めた防水性を容易に達成することができる。   Furthermore, according to the waterproof structure for a battery holder of this embodiment, since the battery 2 is of a button type, the cylindrical outer peripheral surface 2a and one end surface 2b are electrodes. By holding the electrode end surface 2b of the battery 2 inward in the case 1 and sealing the outer peripheral surface 2a with the elastic seal member 7, a waterproof structure can be easily formed. By contacting the electrode end surface 2b and the outer peripheral surface 2a on the inner side of the case with respect to the elastic seal member 7, waterproofness including the periphery of the contacts 3 and 4 can be easily achieved.

そして、この実施例の電池ホルダ用防水構造によれば、環状の弾性シール部材７はオー（Ｏ）リングであり、オーリングは種々の機械に多用されているため一般に容易かつ安価に入手できるので、防水構造を容易かつ安価に構成することができる。   And according to the waterproof structure for battery holders of this embodiment, the annular elastic sealing member 7 is an O (O) ring, and since the O ring is widely used in various machines, it is generally easy and inexpensive to obtain. The waterproof structure can be configured easily and inexpensively.

以上、図示例に基づき説明したが、この発明は上述の例に限定されるものでなく、特許請求の範囲の記載範囲内で適宜変更し得るものであり、例えば、電池はボタン型のものでなく柱状（棒状）のものでも良く、また、一方の電極は蓋の裏側に配置して、弾性シール部材の外側から別途防水した通電経路を経てケース内の基板等に接続しても良い。そして電子機器は、手のひらに載る電子辞書等のような小型のものには限られない。   Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described examples, and can be appropriately changed within the scope of the claims. For example, the battery is a button type. Alternatively, it may be in the form of a column (bar), and one electrode may be disposed on the back side of the lid and connected to the substrate in the case through a separately energized current path from the outside of the elastic seal member. The electronic device is not limited to a small one such as an electronic dictionary placed on the palm.

かくしてこの発明の電池ホルダ用防水構造によれば、蓋を小型、薄肉としても充分な防水性能を得ることができ、しかも、蓋を小型、薄肉としても蓋の変形を防止することができ、これらの効果は、特に小型の電子機器のケースやヒンジ式の蓋において有益である。   Thus, according to the waterproof structure for a battery holder of the present invention, sufficient waterproof performance can be obtained even if the lid is small and thin, and deformation of the lid can be prevented even if the lid is small and thin. This effect is particularly beneficial for small electronic equipment cases and hinged lids.

１ ケース
１ａ 電池交換用開口部
１ｂ 掛合部
１ｃ 環状溝
２ 電池
２ａ 外周面
２ｂ 端面
３，４ 電極
５ 蓋
５ａ 掛止部
６ 小ねじ
７ 弾性シール部材
８ ヒンジ DESCRIPTION OF SYMBOLS 1 Case 1a Battery replacement opening 1b Engagement part 1c Annular groove 2 Battery 2a Outer peripheral surface 2b End face 3, 4 Electrode 5 Lid 5a Engagement part 6 Machine screw 7 Elastic seal member 8 Hinge

Claims (1)

電子機器のケース内で電池を保持してその電池の電極に接点を接触させるとともに、そのケースの電池交換用開口部を覆う蓋の開放により前記電池の交換を可能にする電池ホルダに設けられ、前記電池交換用開口部からの前記ケース内への水の侵入を防止する電池ホルダ用防水構造において、
前記ケースの前記電池交換用開口部の内周面に、前記ケース内の電池の外周面と水密に嵌合して前記電池交換用開口部をシールする環状の弾性シール部材を設けたことを特徴とする、電池ホルダ用防水構造。 Provided in a battery holder that holds the battery in the case of the electronic device and makes contact with the electrode of the battery, and enables replacement of the battery by opening a lid that covers the battery replacement opening of the case, In the battery holder waterproof structure for preventing water from entering the case from the battery replacement opening,
An annular elastic seal member is provided on the inner peripheral surface of the battery replacement opening of the case to fit the outer peripheral surface of the battery in the case in a watertight manner and seal the battery replacement opening. A waterproof structure for a battery holder.
JP2009209052A 2009-09-10 2009-09-10 Waterproof structure for battery holder Pending JP2011060578A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874062A (en) * 2014-02-28 2015-09-02 北京谊安医疗***股份有限公司 Respirator and battery box component thereof
CN114440828A (en) * 2022-01-14 2022-05-06 重庆永渝检验检测技术有限公司 Ultra-low power consumption wireless static level height difference measuring method
CN114440827A (en) * 2022-01-14 2022-05-06 重庆永渝检验检测技术有限公司 Wireless hydrostatic level system with ultralow power consumption

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04206254A (en) * 1990-11-29 1992-07-28 Matsushita Electric Ind Co Ltd Housing device for coin-shaped battery
JPH05166501A (en) * 1991-12-16 1993-07-02 Matsushita Electric Ind Co Ltd Waterproof container for coin type battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04206254A (en) * 1990-11-29 1992-07-28 Matsushita Electric Ind Co Ltd Housing device for coin-shaped battery
JPH05166501A (en) * 1991-12-16 1993-07-02 Matsushita Electric Ind Co Ltd Waterproof container for coin type battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104874062A (en) * 2014-02-28 2015-09-02 北京谊安医疗***股份有限公司 Respirator and battery box component thereof
CN114440828A (en) * 2022-01-14 2022-05-06 重庆永渝检验检测技术有限公司 Ultra-low power consumption wireless static level height difference measuring method
CN114440827A (en) * 2022-01-14 2022-05-06 重庆永渝检验检测技术有限公司 Wireless hydrostatic level system with ultralow power consumption

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