CN209313460U - Dress product charging interface sweat detection device - Google Patents
Dress product charging interface sweat detection device Download PDFInfo
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- CN209313460U CN209313460U CN201822101803.2U CN201822101803U CN209313460U CN 209313460 U CN209313460 U CN 209313460U CN 201822101803 U CN201822101803 U CN 201822101803U CN 209313460 U CN209313460 U CN 209313460U
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- circuit
- charging interface
- interface
- sweat
- detection device
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Abstract
The utility model discloses a kind of wearing product charging interface sweat detection devices, dressing product includes the first charging interface for connecing power supply, detection device includes: detection interface, switching circuit, sample circuit and control circuit, and detection interface is located at around the first charging interface；Control circuit is electrically connected with switching circuit and sample circuit respectively, and sample circuit is electrically connected with detection interface.If having sweat between the first charging interface and detection interface when charging, the sweat equivalent impedance can cause to detect interface voltage variation, the collected voltage transmission of sample circuit will dress the disconnection of product charge circuit according to the voltage cut-out circuit to control circuit, control circuit at this time；If wearing product charge circuit remains up realization charging without sweat.Therefore the utility model is capable of detecting when at charging interface whether there is sweat, to effectively prevent there is the case where leading to charging damage product generation because of sweat.
Description
Technical field
The utility model relates to dress product technical field more particularly to a kind of wearing product charging interface sweat detection dress
It sets.
Background technique
Currently, some such as bracelets, wrist-watch, bluetooth headset etc. dress product, attachment sweat is easy to after having worn long
Liquid and other sundries, especially on the charging interface of such product, since charging interface is mostly exposed metallic region,
In the state of having sweat or other sundries in charging interface, it is easy to charging interface be caused to exist because of sweat corrosion or sweat
There is a situation where interface short circuits, go to charge again under interface short-circuit conditions, it is easy to lead to the damage of product.
Utility model content
In view of the above deficiencies, the technical problem to be solved by the utility model is to provide a kind of wearing product charging interfaces
Sweat detection device, the device are capable of detecting when at charging interface whether there is sweat, cause to fill so as to avoid because sweat exists
The case where electricity damage product, occurs.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of wearing product charging interface sweat detection device, the wearing product includes the first charging for connecing power supply
Mouthful, the detection device includes: detection interface, and the detection interface is located at around first charging interface；For connect and
Disconnect the switching circuit of the wearing product charge circuit；It is described to adopt for sampling the sample circuit of the detection interface voltage
Sample circuit is electrically connected with the detection interface；Control circuit, the control circuit respectively with the sample circuit and the switch
Circuit electrical connection；Sample circuit transmission voltage signal gives the control circuit, the control circuit according to the voltage signal,
It controls the switching circuit and switches on and off the wearing product charge circuit.
Preferred embodiment is that the wearing product further includes the second charging interface of ground connection, and the detection interface is located at described
Between first charging interface and second charging interface.
Preferred embodiment is that the control circuit includes the voltage comparator circuit with reference voltage；The voltage is more electric
The sampled voltage of the sample circuit transmission is accessed on road, and whether the sampled voltage is identical as reference voltage, different time controls
It makes the switching circuit and disconnects the wearing product charge circuit.
Preferred embodiment is that the switching circuit includes switching tube, the switching tube be serially connected in the charge circuit and with
The first charging interface connection, control terminal are also electrically connected to the control circuit.
Preferred embodiment is that first charging interface, second charging interface and/or the detection interface include metal
Elastic slice.
Preferred embodiment is that the control circuit includes single-chip microcontroller, the single-chip microcontroller respectively with the switching circuit and described
Sample circuit electrical connection.
Preferred embodiment is that the sample circuit is integrated on the single-chip microcontroller.
Preferred embodiment is that the control circuit is the system processor of the wearing product, the system processor difference
It is electrically connected with the switching circuit and the sample circuit.
Preferred embodiment is that the sample circuit is integrated on the system processor.
Preferred embodiment is that the wearing product is Intelligent bracelet, smartwatch or earphone.
After adopting the above technical scheme, the beneficial effects of the utility model are:
Due to the wearing product charging interface sweat detection device of the utility model, which includes connect power supply
One charging interface, detection device includes: detection interface, switching circuit, sample circuit and control circuit, wherein detection interface is located at
Around first charging interface；Wherein control circuit is electrically connected with switching circuit and sample circuit respectively, and switching circuit can control
Wearing product charge circuit switches on and off, and sample circuit is used for acquisition testing interface voltage.When charging, if the first charging interface
There is sweat between detection interface, which can cause detection interface voltage to change, at this point, sample circuit is adopted
The voltage transmission collected breaks wearing product charge circuit according to the voltage cut-out circuit to control circuit, control circuit
It opens；If dressing product charge circuit without sweat and remaining up realization charging.As it can be seen that the wearing product of the utility model fills
Electrical interface sweat detection device, is capable of detecting when at charging interface whether there is sweat, to effectively prevent leading because sweat exists
The case where causing charging damage product occurs.
Since wearing product further includes the second charging interface of ground connection, detection interface is located at the first charging interface and second and fills
Between electrical interface；It monitors the sweat situation dressed at two charging interfaces of product, makes the anti-sweat effect of charging good.
Since control circuit is to dress the system processor of product, the system processor is electric with switching circuit and sampling respectively
Road electrical connection；It is avoiding sweat from leading to product charging damage simultaneously, is reducing costs, structure carries out reasonable disposition.
Since sample circuit is integrated on a system processor；Optimize structure configuration, reduces cost.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the circuit diagram of embodiment；
In figure: the first charging interface of 1-, 2- detect interface, the second charging interface of 3-, 4- switching tube.
Specific embodiment
Understand to remove the purpose of this utility model, technical solution and advantage more, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of wearing product charging interface sweat detection device, wearing product can in the present embodiment
For Intelligent bracelet, smartwatch or earphone etc..Dressing product includes the first charging interface 1 and detection device for connecing power supply, herein
Power supply refers to the positive pole of charging equipment output；Detection device includes detection interface 2, switching circuit, sample circuit and control
Circuit, wherein detection interface 2 is located at around the first charging interface 1；Wherein switching circuit is for controlling wearing product charge circuit
It switches on and off；Wherein sample circuit is used for the voltage of sample detecting interface 2；Wherein control circuit respectively with sample circuit and open
Powered-down road electrical connection, sample circuit transmit sampled voltage to control circuit, and control circuit is according to the voltage signal, control switch electricity
Road switches on and off wearing product charge circuit.In the present embodiment, wearing product further includes the second charging interface 3 of ground connection, this
Place's ground connection refers to the power cathode of charging equipment output, detection interface 2 be located at the first charging interface 1 and the second charging interface 3 it
Between.And in the present embodiment: the first charging interface 1, the second charging interface 3 and/or detection interface 2 include metal clips.
When dressing product charging, under normal circumstances, switching circuit makes to dress the connection of product charge circuit, passes through the first charging
Interface 1 and the second charging interface 3 are to battery charging in wearing product.In charging process, sample circuit does not stop acquisition testing interface 1
Voltage, if the first charging interface 1 and detection interface 2 between have sweat or the second charging interface 3 and detection interface 2 between
When having sweat, which can cause detection 2 voltage of interface to change, at this point, the collected voltage of sample circuit
Signal is transferred to control circuit, and control circuit controls wearing product charge circuit according to the voltage signal and disconnects, and realizes charging
Protection；If switching circuit keeps wearing product charge circuit to connect without sweat, charging is realized.Therefore the utility model
Product charging interface sweat detection device is dressed, is capable of detecting when at charging interface whether there is sweat, is avoided because sweat exists
The case where leading to charging damage product generation.
As depicted in figs. 1 and 2, in the present embodiment: control circuit may include single-chip microcontroller, single-chip microcontroller respectively with switching circuit and
Sample circuit electrical connection, this structure make not interfering between this detection device and wearing product, single-chip microcontroller have been separately provided.Or
Person, control circuit are to dress the system processor of product, and system processor is electrically connected with switching circuit and sample circuit respectively, this
Structure keeps wearing product structure configuration reasonable, reduces costs.
Control circuit includes the voltage comparator circuit with reference voltage；Voltage comparator circuit accesses sample circuit transmission
After voltage signal, compare whether the voltage signal is identical as reference voltage, and control circuit transmission disconnection electric signal is opened when different
Powered-down road disconnects wearing product charge circuit；When identical, then being failure to actuate, which makes to dress product charge circuit, remains up.
Wherein, sample circuit can be integrally disposed on systematic microprocessor, or be integrated on single-chip microcontroller, realize sweat inspection
While brake, cost is reduced, optimizes structure.
As shown in Figure 2, wherein switching circuit includes switching tube 4, and switching tube 4 is serially connected in wearing product charge circuit simultaneously
It is electrically connected with the first charging interface 1, control terminal is electrically connected with control circuit.Principle is: when control circuit transmission telecommunications number to
When the control terminal of switching tube 4, switching tube 4 is switched on or switched off, so that charge circuit be made to be switched on or switched off.When charging, if there is sweat
When, charge circuit is disconnected, the power supply of wearing product is protected, product is hardly damaged；When there is no sweat, charging is kept
Circuit is connected, and is able to carry out the power supply for dressing product and is charged normal.
In conclusion wearing product bracelet, wrist-watch, the products such as earphone, sweat easy to attach after wearing, especially when filling
After adhering to sweat on electrical interface, after increasing the present apparatus, product caused by existing because of sweat is effectively avoided to be formed in charging interface
Short circuit, to be damaged in charging；And structure configuration is rationally, at low cost.
The preferred embodiment of the utility model described above, is not intended to limit the utility model, all practical at this
Made any modification within novel spirit and principle, etc. same wearing product charging interface sweat structure of the detecting device
Improve etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. dressing product charging interface sweat detection device, the wearing product includes the first charging interface for connecing power supply, special
Sign is that the detection device includes:
Interface is detected, the detection interface is located at around first charging interface；
For switching on and off the switching circuit of the wearing product charge circuit；
For sampling the sample circuit of the detection interface voltage, the sample circuit is electrically connected with the detection interface；
Control circuit, the control circuit are electrically connected with the sample circuit and the switching circuit respectively；
The sample circuit transmission voltage signal gives the control circuit, and the control circuit controls institute according to the voltage signal
It states switching circuit and switches on and off the wearing product charge circuit.
2. wearing product charging interface sweat detection device according to claim 1, the wearing product further includes ground connection
The second charging interface, which is characterized in that the detection interface is located at first charging interface and second charging interface
Between.
3. wearing product charging interface sweat detection device according to claim 1, which is characterized in that the control circuit
Including the voltage comparator circuit with reference voltage；
The voltage comparator circuit accesses the sampled voltage of sample circuit transmission, the sampled voltage whether with benchmark
Voltage is identical, and the switching circuit is controlled when different and disconnects the wearing product charge circuit.
4. wearing product charging interface sweat detection device according to claim 1, which is characterized in that the switching circuit
Including switching tube, the switching tube is serially connected in the charge circuit and connect with first charging interface, and control terminal is also
It is electrically connected to the control circuit.
5. wearing product charging interface sweat detection device according to claim 2, which is characterized in that first charging
Interface, second charging interface and/or the detection interface include metal clips.
6. wearing product charging interface sweat detection device according to any one of claims 1 to 5, which is characterized in that institute
Stating control circuit includes single-chip microcontroller, and the single-chip microcontroller is electrically connected with the switching circuit and the sample circuit respectively.
7. wearing product charging interface sweat detection device according to claim 6, which is characterized in that the sample circuit
It is integrated on the single-chip microcontroller.
8. wearing product charging interface sweat detection device according to any one of claims 1 to 5, which is characterized in that institute
State the system processor that control circuit is the wearing product, the system processor respectively with the switching circuit and described adopt
The electrical connection of sample circuit.
9. wearing product charging interface sweat detection device according to claim 8, which is characterized in that the sample circuit
It is integrated on the system processor.
10. wearing product charging interface sweat detection device according to claim 8, which is characterized in that the wearing produces
Product are Intelligent bracelet, smartwatch or earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101803.2U CN209313460U (en) | 2018-12-14 | 2018-12-14 | Dress product charging interface sweat detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101803.2U CN209313460U (en) | 2018-12-14 | 2018-12-14 | Dress product charging interface sweat detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313460U true CN209313460U (en) | 2019-08-27 |
Family
ID=67676903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822101803.2U Active CN209313460U (en) | 2018-12-14 | 2018-12-14 | Dress product charging interface sweat detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021213286A1 (en) * | 2020-04-24 | 2021-10-28 | 深圳市韶音科技有限公司 | Charging control circuit and acoustic output device |
| CN113675912A (en) * | 2021-07-29 | 2021-11-19 | 歌尔科技有限公司 | Charging interface detection circuit, intelligent wearable device, charging device and system |
| CN114710738A (en) * | 2022-03-31 | 2022-07-05 | 深圳市微源半导体股份有限公司 | Sweat detection method of TWS earphone based on communication mode |
-
2018
- 2018-12-14 CN CN201822101803.2U patent/CN209313460U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021213286A1 (en) * | 2020-04-24 | 2021-10-28 | 深圳市韶音科技有限公司 | Charging control circuit and acoustic output device |
| CN113675912A (en) * | 2021-07-29 | 2021-11-19 | 歌尔科技有限公司 | Charging interface detection circuit, intelligent wearable device, charging device and system |
| CN114710738A (en) * | 2022-03-31 | 2022-07-05 | 深圳市微源半导体股份有限公司 | Sweat detection method of TWS earphone based on communication mode |
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