# US 10,502,638 B2 · Temperature detecting device and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,502,638 B2 - Document ID: US10502638B2 - Status: Granted - Kind: B2 - Application number: 15/409,691 - Filed: 2017-01-19 - Published: 2017-05-11 - Granted: 2019-12-10 - Earliest claimed: 2014-07-31 - Assignees: Murata Manufacturing Co., Ltd. - Applicants: Murata Manufacturing Co., Ltd. - Inventors: Tadamasa Miura; Kazuto Miyagawa; Akihito Naito - Web page: https://patentgrep.com/patent/US10502638B2 ## CPC - G01K 7/22: the element being a non-linear resistance, e.g. thermistor (G01K7/26 takes precedence) - G01K 1/143: for measuring surface temperatures - G01K 1/146: {arrangements for moving thermometers to or from a measuring position} - G01K 7/16: using resistive elements - G01K 13/00: Thermometers specially adapted for specific purposes - G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00) ## Abstract A temperature detector is configured to detect the temperature of a housing while in contact with the housing, and a spring pin is in contact with the temperature detector in a separable manner. Thus, at mounting of the temperature detecting device on an electronic device, it is possible to fix the temperature detector to the housing, and the spring pin to a circuit board of the electronic device. At disassembly of the electronic device, it is easy to separate the spring pin from the temperature detector by removing, from the housing, the spring pin together with the circuit board. At assembly of the electronic device, it is easy for the spring pin to contact the temperature detector by attaching, to the housing, the spring pin together with the circuit board. ## Claims ### Claim 1 A temperature detecting device configured to detect a temperature of a housing of an electronic device, the temperature detecting device comprising: a temperature detector that detects the temperature of the housing while in contact with the housing of the electronic device; a spring pin electrically connected with the temperature detector while in contact with the temperature detector in a separable manner; wherein the temperature detecting device is to be disposed inside of the housing of the electronic device; the temperature detector includes a substrate including a wire, and a thermistor attached to the substrate and electrically connected with the wire; the spring pin includes a tube body, a pin portion attached in the tube body in a movable manner, and a spring that presses the pin portion to protrude out of the tube body; and the pin portion is electrically connected with the wire of the substrate while in contact with the wire of the substrate in a separable manner. ### Claim 2 (depends on 1) The temperature detecting device according to claim 1, further comprising an additional spring pin. ### Claim 3 (depends on 2) The temperature detecting device according to claim 2, wherein the spring pin and the additional spring pin elastically press the temperature detector to cause the temperature detector to contact with the housing elastically. ### Claim 4 (depends on 1) The temperature detecting device according to claim 1, wherein the substrate includes a base material, the wire and an additional wire, and two covers that cover a portion of the wire and the additional wire. ### Claim 5 (depends on 1) The temperature detecting device according to claim 1, wherein the thermistor is a multilayer chip thermistor. ### Claim 6 (depends on 1) The temperature detecting device according to claim 1, wherein the thermistor includes a thermistor body, a first external electrode, and a second external electrode. ### Claim 7 (depends on 6) The temperature detecting device according to claim 6, wherein the thermistor body includes a plurality of ceramic layers laminated on top of another and an internal electrode between adjacent ones of the plurality of ceramic layers. ### Claim 8 (depends on 1) The temperature detecting device according to claim 1, wherein the thermistor is an NTC thermistor and has a resistance value that decreases as the temperature increases. ### Claim 9 (depends on 1) The temperature detecting device according to claim 1, wherein the spring pin is a pogo pin. ### Claim 10 (depends on 1) The temperature detecting device according to claim 1, wherein the substrate includes a base material, and the temperature detecting device further comprises a bonding member that attaches a surface of the base material, which is opposite to the thermistor, to the housing. ### Claim 11 (depends on 10) The temperature detecting device according to claim 10, wherein the bonding member is a double-sided adhesive tape and is thermally conductive. ### Claim 12 (depends on 10) The temperature detecting device according to claim 10, wherein the bonding member overlaps with the thermistor when viewed in a direction orthogonal to the base material. ### Claim 13 An electronic device comprising: a housing; a circuit board disposed in the housing; and a temperature detecting device disposed in the housing to detect the temperature of the housing; wherein the temperature detecting device includes: a temperature detector that detects the temperature of the housing while in contact with the housing; and a spring pin electrically connected with the temperature detector while in contact with the temperature detector in a separable manner; the temperature detector includes a substrate including a wire, and a thermistor attached to the substrate and electrically connected with the wire; the spring pin includes a tube body, a pin portion attached in the tube body in a movable manner, and a spring that presses the pin portion to protrude out of the tube body; and the pin portion is electrically connected with the wire of the substrate while in contact with the wire of the substrate in a separable manner. ### Claim 14 (depends on 13) The electronic device according to claim 13, wherein the temperature detector of the temperature detecting device is fixed to the housing; and the spring pin of the temperature detecting device is fixed to the circuit board. ### Claim 15 (depends on 13) The electronic device according to claim 13, wherein the electronic device is one of a phone and a computer. ### Claim 16 (depends on 13) The electronic device according to claim 13, wherein the housing has a rectangular parallelepiped or substantially rectangular parallelepiped shape. ### Claim 17 (depends on 13) The electronic device according to claim 13, further comprising a liquid crystal display attached to the housing. ### Claim 18 (depends on 13) The electronic device according to claim 13, further comprising a heat-generating electric component mounted on the circuit board. ### Claim 19 (depends on 18) The electronic device according to claim 18, wherein the heat-generating electric component is one of a CPU and a power amplifier. ### Claim 20 (depends on 13) The electronic device according to claim 13, further comprising: a heat-generating electric component; and a controller that cools the housing and the heat-generating component by operating a fan based on a result of the detection by the temperature detecting device.