CN218271116U - Battery contact detection device and XR equipment - Google Patents
Battery contact detection device and XR equipment Download PDFInfo
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- CN218271116U CN218271116U CN202221901838.4U CN202221901838U CN218271116U CN 218271116 U CN218271116 U CN 218271116U CN 202221901838 U CN202221901838 U CN 202221901838U CN 218271116 U CN218271116 U CN 218271116U
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- thermistor
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- battery
- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery contact detection device, include: a thermistor disposed at a position close to the contact; a temperature detection unit electrically connected to the thermistor and configured to obtain a temperature value of the thermistor based on an electrical characteristic of the thermistor; the circuit control unit is electrically connected with the temperature detection unit and is configured to control based on the temperature value of the thermistor. Through using the device, the detectable temperature value that obtains thermistor, the temperature value of the contact of this temperature value representation battery, consequently, circuit control unit can carry out corresponding control based on the temperature of contact, effectively promotes the security of user experience and product use.
Description
Technical Field
The utility model relates to a removable battery field, concretely relates to battery contact detection device and XR equipment.
Background
In the current scene of detecting to the battery condition of generating heat, mainly monitor the condition of generating heat of electricity core through the thermistor on the protection shield in the battery module in the battery use, can't in time listen detachable battery because battery contact or base surface oxidation, dirty or contact failure etc. phenomenon cause battery contact impedance increase and arouse that the system supplies power unstability, charging current can't reach rated current etc. phenomenon, also bring equipment potential safety hazard simultaneously.
Disclosure of Invention
The embodiment of the application provides a battery contact detection device and XR equipment to solve current unable in time listen detachable battery and cause the unstable, phenomenon such as charging current can't reach rated current of system power supply because battery contact or base surface oxidation, dirty or phenomenon such as contact failure cause the battery contact impedance increase, also bring the problem of equipment potential safety hazard simultaneously.
The embodiment of the application provides a battery contact detection device, includes:
a thermistor disposed at a position close to the contact;
a temperature detection unit electrically connected to the thermistor, the temperature detection unit configured to obtain a temperature value of the thermistor based on an electrical characteristic of the thermistor;
a circuit control unit electrically connected with the temperature detection unit, the circuit control unit configured to control based on a temperature value of the thermistor.
Optionally, the temperature detection unit includes an electrical characteristic acquisition unit, the electrical characteristic acquisition unit is electrically connected to the thermistor, and the electrical characteristic acquisition unit is configured to acquire a voltage value or a current value of the thermistor.
Optionally, the circuit control unit includes: a circuit opening and closing control unit configured to control the circuit to be opened or to be kept closed based on a temperature of the contact.
Optionally, the circuit control unit includes: a contact abnormality warning unit configured to transmit contact-related abnormality warning information in response to a temperature value of the thermistor exceeding a predetermined temperature threshold.
Optionally, the sending contact point related abnormality warning information includes: and sending the abnormity early warning information aiming at the battery to a battery management module.
Optionally, the sending the abnormal early warning information includes: and sending the abnormity early warning information aiming at the carrier equipment to a control system of the carrier equipment.
Optionally, the contact includes one of:
a positive electrode of the battery;
a negative electrode of the battery;
contacts other than the positive and negative electrodes of the battery.
Optionally, the electrical characteristic collecting unit is an ADC.
Optionally, the thermistor is an NTC thermistor.
Another embodiment of the present application also provides an XR device including a battery contact detection apparatus as described above.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model provides a battery contact detection device includes: a thermistor disposed at a position close to the contact; a temperature detection unit electrically connected to the thermistor and configured to obtain a temperature value of the thermistor based on an electrical characteristic of the thermistor; and the circuit control unit is electrically connected with the temperature detection unit and is configured to control based on the temperature value of the thermistor. Through using this battery contact detection device, the detectable obtains the temperature value of thermistor, because thermistor sets up in the position department that is close to the contact, therefore the temperature value can represent the temperature of the contact of battery, circuit control unit can carry out corresponding control based on the temperature of contact, for example, when XR equipment's the contact surface of removable battery because of dirty, oxidation or contact failure scheduling abnormal conditions, detect through the temperature to the thermistor that sets up in the position department that is close to this contact, can learn the temperature of this contact too high, and then carry out the system and report, circuit disconnection protection etc. pertinence is handled, effectively promote the security of user experience and equipment use.
Drawings
Fig. 1 is a schematic diagram of a battery contact detection apparatus for software early warning protection according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a hardware circuit protection performed by the battery contact detection apparatus according to the embodiment of the present application.
Reference is made to the accompanying drawings in which:
a thermistor 1, a temperature detection unit 2, an electrical characteristic acquisition unit 3, a circuit control unit 4
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in many other ways than those specifically described herein, and those skilled in the art will be able to devise various arrangements which, although not explicitly described or shown herein, embody the principles of the invention and are not limited to the specific embodiments disclosed below.
For the detection scenario of the existing battery heating condition, in order to solve the problems that the existing detachable battery cannot be timely detected, due to the phenomenon of oxidation, dirt, or poor contact of the battery contact or the surface of the base, the impedance of the battery contact increases, the system power supply is unstable, the charging current cannot reach the rated current, and the like, and the potential safety hazard of the device is also brought, an embodiment is provided in the present application, please refer to fig. 1 and fig. 2 to understand the embodiment, fig. 1 is a schematic diagram of the battery contact detection device provided in the present embodiment for performing software early warning protection, and fig. 2 is a schematic diagram of the battery contact detection device provided in the present embodiment for performing hardware circuit protection.
As shown in fig. 1, the battery contact detecting apparatus provided in the present embodiment includes: a thermistor 1, the thermistor 1 being disposed at a position close to the contact, for example, at a position close to the contact area or close to one end of the contact; a temperature detection unit 2, the temperature detection unit 2 being electrically connected to the thermistor 1, the temperature detection unit 2 being configured to obtain a temperature value of the thermistor 1 based on electrical characteristics of the thermistor 1, for example, the temperature detection unit 2 obtains the temperature value of the thermistor 1 based on voltage, current, resistance and other electrical characteristics; a circuit control unit 4, wherein the circuit control unit 4 is electrically connected with the temperature detection unit 2, and the circuit control unit 4 is configured to perform corresponding control based on the temperature value of the thermistor 1. In the present embodiment, the temperature detection unit 2 further includes an electrical characteristic collection unit 3, the electrical characteristic collection unit 3 is electrically connected to the thermistor 1, and the electrical characteristic collection unit is configured to collect a voltage value or a current value of the thermistor 1.
In this embodiment, the contact of the detachable battery corresponding to its carrier device may be any one of the positive electrode of the battery, the negative electrode of the battery, and a contact other than the positive electrode and the negative electrode of the battery (for example, a contact integrated on the surface of a mobile phone battery), for any contact, the thermistor 1 may be disposed at a position close to the surface thereof, and the thermistor 1 may be an NTC thermistor, which is a thermal semiconductor ceramic element made by an electronic ceramic process using a transition metal oxide as a main raw material, and the resistance value of which decreases with the increase of temperature, and a temperature measuring, temperature compensating and controlling element can be manufactured by using this characteristic.
In this embodiment, the electrical characteristic collecting unit 3 may be an ADC (analog-to-digital converter) which is used for collecting the voltage, converting an analog signal of the voltage into a digital signal, and calculating to obtain a readable voltage value. In the present embodiment, the electrical characteristic collection unit 3 may be integrated in the temperature detection unit 2, and the temperature detection unit 2 may be integrated in the circuit control unit 4, which together constitute a main control unit of the battery contact detection apparatus.
In this embodiment, based on different usage scenarios, the circuit control unit 4 may provide different types of processing strategies such as hardware circuit protection and software early warning protection, and when the circuit control unit 4 provides the hardware circuit protection, it may be a circuit open/close control unit configured to control circuit opening or closing based on the temperature of the contact, as shown in fig. 2, fig. 2 is a schematic diagram of the battery contact detection apparatus for performing the hardware circuit protection, where R3 is a thermistor, R4 is a pull-up resistor, which is used in series with R3, and after voltage division, voltage at two ends of R3 may be obtained, U1 is a voltage comparator with a reference, R2 and R1 are used in series for voltage division, voltage at two ends of R2 provides the voltage comparator U1 with a reference voltage, and Q1 and Q2 are MOS transistors for turning on and off a power supply. U1, Q2 are used for providing the hardware support of hardware circuit protection effect, mainly realize the circuit disconnection, and the implementation process specifically is: adding an NTC thermistor at a position close to a battery contact, acquiring voltage values at two ends of the NTC thermistor through an ADC (analog to digital converter), calculating the resistance value of the NTC thermistor by the temperature detection unit 2 based on the voltage values, and obtaining the temperature value of the thermistor based on the corresponding relation between the preset resistance value and the temperature value; if the temperature exceeds a preset temperature threshold, the circuit control unit 4 realizes circuit disconnection by using U1, Q2, and the like, thereby realizing a hardware circuit protection effect.
As shown in fig. 1, in another embodiment of the present application, when the circuit control unit 4 provides software warning protection, the circuit control unit 4 may also be a contact abnormality warning unit configured to send contact-related abnormality warning information in response to the temperature value of the thermistor exceeding a predetermined temperature threshold, for example, the contact abnormality warning unit sends abnormality warning information for the battery, such as information about surface aging and oxidation of the battery, to a management module of the battery, or the contact abnormality warning unit sends abnormality warning information for the carrier device, such as information about surface aging, oxidation and contamination of a base of the carrier device, to a control system of the carrier device of the battery.
The carrier device of the battery may be any electronic device using a detachable battery, in this embodiment, the carrier device is preferably an Extended Reality (XR) device, and the XR device refers to a virtual environment that combines Reality and virtual through a computer, creates human-computer interaction, and is a general term for multiple technologies such as AR, VR, and MR, and by fusing the visual interaction technologies of the three, an "immersion" of seamless transition between the virtual world and the real world is brought to an experiencer. Because XR equipment needs frequently to dismantle the battery, in order to increase continuation of the journey, and XR equipment's service environment is comparatively complicated, for example, the dust is more, lead to the easy dirty of contact, consequently, when the contact surface of the battery dismantled of this XR equipment is because of dirty, oxidation or contact failure's abnormal conditions, the battery contact detection device who provides through this embodiment detects the temperature that sets up the thermistor near the position department of contact, can learn the temperature of this contact too high, and then carry out system's report, circuit disconnection protection etc. pertinence is handled, effectively promote user experience and XR equipment use's security.
The battery contact detection device that this application embodiment provided includes: a thermistor disposed at a position close to the contact; a temperature detection unit electrically connected with the thermistor and configured to obtain a temperature value of the thermistor based on electrical characteristics of the thermistor; and the circuit control unit is electrically connected with the temperature detection unit and is configured to control based on the temperature value of the thermistor. Through using this battery contact detection device, the detectable obtains the temperature value of thermistor, because thermistor sets up in the position department that is close to the contact, therefore the temperature value can represent the temperature of the contact of battery, circuit control unit can carry out corresponding control based on the temperature of contact, for example, when XR equipment's the contact surface of removable battery because of dirty, oxidation or contact failure scheduling abnormal conditions, detect through the temperature to the thermistor that sets up in the position department that is close to this contact, can learn the temperature of this contact too high, and then carry out the system and report, circuit disconnection protection etc. pertinence is handled, effectively promote the security of user experience and equipment use.
Another embodiment of the present application further provides an XR device provided with the above battery contact detection apparatus, and reference is made to the related contents of the above battery contact detection apparatus embodiment for the usage process of the XR device and the battery contact detection apparatus, which are not described herein again.
It should be noted that the above-mentioned preferred embodiments of the present invention are disclosed herein, but the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (10)
1. A battery contact detection apparatus, comprising:
a thermistor disposed at a position close to the contact;
a temperature detection unit electrically connected to the thermistor, the temperature detection unit configured to obtain a temperature value of the thermistor based on an electrical characteristic of the thermistor;
a circuit control unit electrically connected with the temperature detection unit, the circuit control unit configured to control based on a temperature value of the thermistor.
2. The apparatus of claim 1,
the temperature detection unit comprises an electrical characteristic acquisition unit, the electrical characteristic acquisition unit is electrically connected with the thermistor, and the electrical characteristic acquisition unit is configured to acquire a voltage value or a current value of the thermistor.
3. The apparatus of claim 1, wherein the circuit control unit comprises: a circuit opening and closing control unit configured to control the circuit to be opened or to be kept closed based on a temperature of the contact.
4. The apparatus of claim 1, wherein the circuit control unit comprises: a contact abnormality warning unit configured to transmit contact-related abnormality warning information in response to a temperature value of the thermistor exceeding a predetermined temperature threshold.
5. The apparatus of claim 4, wherein the sending contact-related anomaly early warning information comprises: and sending abnormality early warning information for the battery to a management module of the battery.
6. The apparatus of claim 4, wherein the sending the abnormal pre-warning information comprises: and sending the abnormity early warning information aiming at the carrier equipment of the battery to a control system of the carrier equipment.
7. The apparatus of claim 1, wherein the contact comprises one of:
a positive electrode of the battery;
a negative electrode of the battery;
contacts other than the positive and negative electrodes of the battery.
8. The apparatus of claim 2, wherein the electrical characteristic acquisition unit is an ADC.
9. The apparatus of claim 1, wherein the thermistor is an NTC thermistor.
10. An XR apparatus comprising the battery contact detection device of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221901838.4U CN218271116U (en) | 2022-07-22 | 2022-07-22 | Battery contact detection device and XR equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221901838.4U CN218271116U (en) | 2022-07-22 | 2022-07-22 | Battery contact detection device and XR equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218271116U true CN218271116U (en) | 2023-01-10 |
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ID=84762809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221901838.4U Active CN218271116U (en) | 2022-07-22 | 2022-07-22 | Battery contact detection device and XR equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218271116U (en) |
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2022
- 2022-07-22 CN CN202221901838.4U patent/CN218271116U/en active Active
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