CN101995298A - Temperature sensor - Google Patents
Temperature sensor Download PDFInfo
- Publication number
- CN101995298A CN101995298A CN2010102502837A CN201010250283A CN101995298A CN 101995298 A CN101995298 A CN 101995298A CN 2010102502837 A CN2010102502837 A CN 2010102502837A CN 201010250283 A CN201010250283 A CN 201010250283A CN 101995298 A CN101995298 A CN 101995298A
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- China
- Prior art keywords
- elastic support
- temperature sensor
- support member
- thermal sensing
- sensing element
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Abstract
The present invention provides a temperature sensor, capable of being easily mounted on and dismounted from a cylindrical single battery. The temperature sensor includes: an arced elastic support member (2) embedded on the outer circumference of the single battery (cylindrical object to be measured), and a thermal sensitive element (3) arranged on the elastic support member (2) and provided with a pair of terminal electrodes (3a). In addition, a central part of the elastic support member (2) is provided with a projecting part (2a) projecting inwards, and the projecting part (2a) is provided with the thermal sensitive element (3). Thereafter, the temperature sensor can be easily mounted by embedding the elastic support member (2) on the outer circumference of the single battery, and can be easily dismounted by elasticity of the elastic support member (2).
Description
Technical field
The present invention relates to be suitable for measure the temperature sensor of the surface temperature of employed monocell of electric battery etc.
Background technology
In notebook personal computer etc., be equipped with electric battery usually, this electric battery is arranged by a plurality of monocells (columned monocell) and is constituted.Usually, in this electric battery,, use thermistor (temperature) sensor equitemperature sensor to carry out temperature treatment in order to discharge and recharge the management of temperature treatment and battery capacity.Therefore, in an electric battery, have at least two temperature sensors to be installed on the surface of monocell, to carry out temperature treatment.
As the existing thermistor (temperature) sensor of this kind temperature sensor, the front end that has for example proposed a kind of lead frame at sheet metal in patent documentation 1 is provided with the thin-film thermistor sheet, and with insulating by the temperature sensor of rete with its covering.
In addition, a kind of temperature detection thermistor apparatus has been proposed in patent documentation 2, outer dress tunicle covering by deformable insulating resin sheet seals the thermistor element that is welded to connect with insulation-coated electric wire, and the single face of adorning tunicle outside possesses the sticker of the usefulness of being adhesively fixed.
Further, a kind of temperature measuring equipment has been proposed in patent documentation 3, possess with the battery surface butt and measure temperature measurement section and except with the face of battery surface butt side surround the insulation of measurement section.
Patent documentation 1: the spy opens the 2006-308505 communique
Patent documentation 2: the spy opens the 2001-250701 communique
Patent documentation 3: the spy opens the 2006-185727 communique
Above-mentioned prior art has been left over following problem.
Promptly, in the sensor that patent documentation 1 is put down in writing, owing to be slim shape, so when the surface temperature of the monocell of measurement electric battery etc., therefore the outer peripheral face of monocell is a curved surface, sensor front end need be fixed on the curved surface of monocell by silicones etc.
In addition, under the situation of the thermistor (temperature) sensor that patent documentation 2 is put down in writing, the sensor front end distortion is paid on the monocell curved surface closely to paste, and making on the coupling part of sensor element and lead-in wire (welding portion) that because of distortion causes stress the danger of broken string is arranged between sensor element and the lead-in wire.
Further, under the situation of the temperature measuring equipment that patent documentation 3 is put down in writing, need be fixed by smooth battery module clamping or by adhesive securement on battery, be difficult to be installed on the columned monocell, and be difficult to after bonding the dismounting.
In above-mentioned prior art, for temperature sensor being installed on the columned monocell, need to pay by subsides such as sticker or bonding agents, exist installation exercise to waste time and energy, and the problem that is difficult to dismantle.
Summary of the invention
The present invention produces in view of the above problems, and purpose is to provide a kind of can be installed in easily that columned monocell etc. is gone up and dismounting also is easy to temperature sensor.
The present invention adopts following structure in order to address the above problem.That is, temperature sensor of the present invention is characterised in that to possess: can embed the circular-arc elastic support member of cylindric determinand periphery and be arranged on this elastic support member and be formed with the thermal sensing element of pair of terminal electrode.
In this temperature sensor, owing to possess the circular-arc elastic support member of the periphery that can embed cylindric determinand and be arranged on this elastic support member and be formed with the thermal sensing element of pair of terminal electrode, so only just can easily install, and utilize the elasticity of elastic support member also can easily dismantle by elastic support member being embedded in cylindric determinand peripheries such as monocell.Therefore, just can easily be loaded and unloaded on cylindric determinand by simple and easy and low-cost configuration.In addition, owing to inlay temperature sensor, can be implemented in cylindric determinands such as monocell are arranged on the back installation (Hou is paid け) that the laggard row in regulation position is provided with temperature sensor from the outside of cylindric determinand.
In addition, temperature sensor of the present invention is characterised in that, is formed with the outstanding jut of inside side at the central portion of described elastic support member, and this jut is provided with described thermal sensing element.
Promptly, in this temperature sensor, because the central portion of the elastic support member inwardly outstanding jut in side is provided with thermal sensing element, so be embedded at elastic support member under the state of periphery of cylindric determinand, jut utilizes the elastic force of elastic support member to be pressed against on the outer peripheral face of cylindric determinand.Therefore, along with the embedding of elastic support member can make the thermal sensing element of jut be adjacent to the outer peripheral face of cylindric determinand with pressed state and fixes, can suppress to wait the offset or the thermal sensing element that cause to separate, thereby can measure the temperature of cylindric determinand exactly with high reliability from cylindric determinand because of vibrating.
In addition, temperature sensor of the present invention is characterised in that to possess a plurality of described elastic support members that are provided with described thermal sensing element, and these elastic support members interconnect by the lead-in wire that is electrically connected with described pair of terminal electrode.
Promptly, in this temperature sensor, because a plurality of elastic support members interconnect by the lead-in wire that is electrically connected with the pair of terminal electrode, so a plurality of thermal sensing elements and the elastic support member that connects by lead-in wire can be installed on a plurality of positions, can measure the temperature at a plurality of positions via the lead-in wire that connects them by a plurality of thermal sensing elements.Therefore, can measure the temperature in any a plurality of positions in the wide scope simultaneously by a temperature sensor.In addition, by the length of the lead-in wire between any setting elastic support member, position that can specific each thermal sensing element.
In addition, temperature sensor of the present invention is characterised in that described thermal sensing element is a thermistor element, and this thermistor element is by resin-sealed sealing.
That is, in this temperature sensor since as the thermal sensing element of thermistor element by resin-sealed sealing, so thermal sensing element by resin-sealed protection, and with the being adjacent to property raising of cylindric determinand, can carry out temperature survey with higher precision.
According to the present invention, realize following effect.
Promptly, temperature sensor in according to the present invention, owing to possess the circular-arc elastic support member of the periphery that can embed cylindric determinand and be arranged on this elastic support member and be formed with the thermal sensing element of pair of terminal electrode, so just can easily be loaded and unloaded on cylindric determinand by simple and easy and low-cost configuration, also can realize being provided with the back installation of cylindric determinand.
Therefore, temperature sensor of the present invention is suitable for using as the temperature survey of the employed monocell of electric battery of cylindric determinand etc.
Description of drawings
Fig. 1 is the vertical view of first embodiment of expression temperature sensor of the present invention;
Fig. 2 is installed in the stereographic map of the state on the monocell for temperature sensor in expression first embodiment;
Fig. 3 is the vertical view of second embodiment of expression temperature sensor of the present invention;
Fig. 4 is installed in the stereographic map of the state on the monocell for temperature sensor in expression second embodiment.
Symbol description
1,21... temperature sensor, 2... elastic support member, 2a... jut, 3... thermal sensing element, 3a... terminal electrode, 4... lead-in wire, the resin-sealed portion of 5..., C... monocell (cylindric determinand)
Embodiment
Below, with reference to figure 1 and Fig. 2 first embodiment of temperature sensor of the present invention is described.In addition, be used for each accompanying drawing of following explanation,, suitably changing engineer's scale in order to make the size of each parts for discerning or discerning easily.
As depicted in figs. 1 and 2, the temperature sensor 1 of present embodiment makes axis consistent with each other and set to a plurality of monocells (cylindric determinand) C that connects state upward to measure the temperature sensor of temperature for being set at, and possesses: can embed the periphery of monocell C circular-arc elastic support member 2, be arranged on this elastic support member 2 and be formed with pair of terminal electrode 3a thermal sensing element 3 and with pair of terminal electrode 3a by the pair of lead wires 4 that is connected such as welding.
Central portion at above-mentioned elastic support member 2 is formed with the outstanding jut 2a of inside side, and this jut 2a is provided with thermal sensing element 3.
This elastic support member 2 is to overlook to be the roughly circular-arc rubber-like resin system or the metal thin-plate member of C font, and the distance at both ends is set to the diameter that is narrower than monocell C.That is, by with the both ends of elastic support member 2 by on the outer peripheral face that is pressed in monocell C, both ends utilize the elastic force that elastic support member 2 has and expand with on the periphery that is embedded in monocell.
Above-mentioned thermal sensing element 3 is a thermistor element, and this thermistor element is by resin-sealed 5 sealings such as thermoplastic resins.In addition, thermal sensing element 3 is adhesively fixed on the jut 2a by bonding agent (omitting diagram).
As above-mentioned thermistor element, can adopt slice heat sensitive resistor or thin-film thermistor element.In addition, in the present embodiment, adopt slice heat sensitive resistor as thermal sensing element 3.Have thermistors such as NTC type, PTC type, CTR type as this thermistor, but in the thermal sensing element 3 of present embodiment, for example adopt NTC type thermistor as thermistor element.This thermistor is formed by thermistor materials such as Mn-Co-Cu based material, Mn-Co-Fe based materials.
Like this, in the temperature sensor 1 of present embodiment, owing to possess the circular-arc elastic support member 2 of the periphery that can embed monocell C and be arranged on this elastic support member 2 and be formed with the thermal sensing element 3 of pair of terminal electrode 3a, therefore only just can easily install, and utilize the elasticity of elastic support member 2 easily to dismantle by the periphery that elastic support member 2 is embedded monocell C.Therefore, just can easily be loaded and unloaded on monocell C by simple and easy and low-cost configuration.In addition, owing to inlay temperature sensor 1, therefore monocell C can be arranged on the back installation that the laggard row in regulation position is provided with temperature sensor 1 from the outside of monocell C.
In addition, because the central portion of the elastic support member 2 inwardly outstanding jut 2a in side is provided with thermal sensing element 3, be embedded at elastic support member 2 under the state of periphery of monocell C, jut 2a utilizes the elastic force of elastic support member 2 to be pressed against on the outer peripheral face of monocell C.Therefore, along with the embedding of elastic support member 2 can make the thermal sensing element 3 of jut 2a be adjacent to the outer peripheral face of monocell C with pressed state and fixes, the offset or the thermal sensing element 3 that can suppress to cause because of vibration etc. separate from monocell C, thereby can measure the temperature of monocell C with high reliability exactly.
Further, owing to be arranged on thermal sensing element 3 on the jut 2a by resin-sealed 5 sealing, so thermal sensing element 3 is by resin-sealed 5 protection, and with the being adjacent to property raising of monocell C, can carry out temperature survey with higher precision.Particularly, can realize thermal sensing element 3 and on every side electrical isolation by resin-sealed 5, and coupling part that can reinforced leads 4.
Next, with reference to figure 3 and Fig. 4 second embodiment according to temperature sensor of the present invention is carried out following explanation.In addition, in the explanation of following embodiment, for above-mentioned embodiment in the identical symbol of identical inscape mark that illustrates, omit its explanation.
The difference of second embodiment and first embodiment is: in the first embodiment, elastic support member 2 and thermal sensing element 3 are respectively one, relative therewith, the temperature sensor 21 of second embodiment, as shown in Figure 3 and Figure 4, possess a plurality of elastic support members 2 that are provided with thermal sensing element 3, these elastic support members 2 interconnect by the lead-in wire 4 that is electrically connected with pair of terminal electrode 3a.
In this second embodiment, each goes between and 4 connects with the terminal electrode 3a of corresponding thermal sensing element 3, and tightening the Shu Chengyi root beyond the end mutually or inserting to lead in the pipe etc. becomes one.Among these lead-in wires 4, a bridging line that terminal electrode 3a is connected of conduct and all thermal sensing elements 3, other lead-in wires 4 as with the independent measurement line of another terminal electrode 3a connection of corresponding thermal sensing element 3.
For example, in this temperature sensor 21, each elastic support member 2 is vacated the compartment of terrain embedding mutually and is arranged on a plurality of monocell C.Under this state, by wanting the thermal sensing element 3 pairing lead-in wires 4 (bridging line and corresponding independent measurement line) of the locational elastic support member 2 measured to measure the resistance of this thermal sensing element 3 with being embedded in, thereby can measure the temperature that the position respectively is set.
Promptly, in second embodiment, because a plurality of elastic support members 24 interconnect by going between, a plurality of thermal sensing elements 3 and the elastic support member 2 that is connect by lead-in wire 4 can be installed on a plurality of positions, can measure the temperature at a plurality of positions via the lead-in wire 4 that connects them by a plurality of thermal sensing elements 3.Therefore, can measure the temperature in any a plurality of positions in the wide scope simultaneously by a temperature sensor 21.In addition, the length of the lead-in wire 4 by 2 of any setting elastic support members, position that can specific each thermal sensing element 3.
In addition, technical scope of the present invention is not limited to the respective embodiments described above, can apply various changes in the scope that does not break away from aim of the present invention.
Claims (4)
1. temperature sensor is characterized in that possessing:
Can embed cylindric determinand periphery circular-arc elastic support member and
Be arranged on this elastic support member and be formed with the thermal sensing element of pair of terminal electrode.
2. temperature sensor according to claim 1 is characterized in that,
Central portion at described elastic support member is formed with the outstanding jut of inside side,
This jut is provided with described thermal sensing element.
3. temperature sensor according to claim 1 and 2 is characterized in that,
Possess a plurality of described elastic support members that are provided with described thermal sensing element,
These elastic support members interconnect by the lead-in wire that is electrically connected with described pair of terminal electrode.
4. according to each described temperature sensor in the claim 1 to 3, it is characterized in that,
Described thermal sensing element is a thermistor element,
This thermistor element is by resin-sealed sealing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009192658A JP2011043444A (en) | 2009-08-23 | 2009-08-23 | Temperature sensor |
| JP2009-192658 | 2009-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101995298A true CN101995298A (en) | 2011-03-30 |
Family
ID=43785758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102502837A Pending CN101995298A (en) | 2009-08-23 | 2010-08-05 | Temperature sensor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011043444A (en) |
| CN (1) | CN101995298A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063034A (en) * | 2016-11-08 | 2018-05-22 | Tdk株式会社 | Temp sensor device |
| CN108731830A (en) * | 2017-04-21 | 2018-11-02 | 矢崎总业株式会社 | temperature sensor and battery pack |
| CN109029753A (en) * | 2017-05-24 | 2018-12-18 | 矢崎总业株式会社 | temperature sensor and battery pack |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781278B (en) * | 2019-01-31 | 2020-08-25 | 天津市远程新能源科技有限公司 | Lithium battery working temperature detection equipment |
-
2009
- 2009-08-23 JP JP2009192658A patent/JP2011043444A/en not_active Withdrawn
-
2010
- 2010-08-05 CN CN2010102502837A patent/CN101995298A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063034A (en) * | 2016-11-08 | 2018-05-22 | Tdk株式会社 | Temp sensor device |
| CN108731830A (en) * | 2017-04-21 | 2018-11-02 | 矢崎总业株式会社 | temperature sensor and battery pack |
| CN109029753A (en) * | 2017-05-24 | 2018-12-18 | 矢崎总业株式会社 | temperature sensor and battery pack |
| CN109029753B (en) * | 2017-05-24 | 2021-06-22 | 矢崎总业株式会社 | Temperature sensor and battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011043444A (en) | 2011-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |