CN218010648U - Radio frequency beauty instrument - Google Patents
Radio frequency beauty instrument Download PDFInfo
- Publication number
- CN218010648U CN218010648U CN202220983027.7U CN202220983027U CN218010648U CN 218010648 U CN218010648 U CN 218010648U CN 202220983027 U CN202220983027 U CN 202220983027U CN 218010648 U CN218010648 U CN 218010648U
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- load
- massage head
- switching module
- output switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electrotherapy Devices (AREA)
Abstract
The utility model discloses a radio frequency beauty instrument. The radio frequency cosmetic instrument comprises a radio frequency generator, a radio frequency massage head and a simulation load, wherein the simulation load is parallel to the radio frequency massage head, an output switching module is connected between the simulation load and the radio frequency massage head, the front end of the output switching module is connected with the radio frequency generator, and the rear end of the output switching module is communicated with the radio frequency massage head and can be switched to be communicated with the simulation load. When the radio frequency massage head is not loaded, the radio frequency cosmetic instrument can turn off the power supply of the radio frequency cosmetic instrument, and simultaneously, the output switching module switches the output signal of the radio frequency generator to be output to the analog load, so that the analog load can consume the residual electric quantity in the radio frequency cosmetic instrument, the accumulated electric charge at the radio frequency massage head is effectively prevented, and the electric shock phenomenon is avoided.
Description
Technical Field
The utility model relates to a beauty instrument technical field especially relates to a radio frequency beauty instrument.
Background
The radio frequency beauty instrument is a beauty instrument which is made up in recent years, and the working principle is as follows: RF (radio frequency) radio frequency waves penetrate through the skin, so that cell molecules generate strong resonance rotation to generate heat energy, the temperature of the bottom layer of the skin is raised instantly, collagen is stimulated to tighten instantly, and the collagen is stimulated to regenerate, so that the beautifying effect is achieved. The user usually needs to beautify multiple skin parts, for example, the user may need to beautify both sides of the face, then, after the user attaches the radio frequency massage head of the radio frequency beauty instrument to the skin on one side of the face for beautifying, the user takes the radio frequency massage head off from the skin on the side and then moves to the skin on the other side to attach to the skin on the side for beautifying, in the process of taking the radio frequency massage head off from the skin on one side until attaching to the skin on the other side again, in the process, because the radio frequency massage head does not act on the skin (i.e. no load), electric charges can be accumulated at the radio frequency massage head, an electric shock phenomenon can be generated at the moment of contacting the skin on the other side of the face, and personal safety threat can be caused. The existing solution is to cut off the power supply of the radio frequency beauty instrument when detecting that the radio frequency massage head is not loaded, and to re-connect the power supply of the radio frequency beauty instrument when detecting that the radio frequency massage head is loaded. However, after the power of the rf beauty instrument is cut off, the rf beauty instrument still has residual electric quantity, and some electric charges are still accumulated at the rf massage head, so that an electric shock phenomenon may still occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a radio frequency beauty instrument is provided, this radio frequency beauty instrument can avoid appearing the electric shock phenomenon after the power cut-off.
In order to solve the technical problem, the utility model provides a radio frequency beauty instrument, including radio frequency generator, radio frequency massage head and analog load, analog load parallels with radio frequency massage head, has connect output switching module between these two and the radio frequency generator, and radio frequency generator is connected to output switching module front end, and rear end intercommunication radio frequency massage head is changeable to intercommunication analog load.
Optionally, the radio frequency massage device comprises a load detection module for detecting the load condition of the radio frequency massage head, wherein the output end of the load detection module is connected with the control end of the output switching module, and the load detection module outputs a no-load signal to switch the output switching module to be communicated with the simulation load.
Optionally, the load detection module comprises a controller, and the output end of the load detection module is specifically connected with the control end of the output switching module through the controller; and if the controller judges that the output of the load detection module is a no-load signal, the controller controls the output switching module to switch to the connected simulation load.
Optionally, the load detection module includes a current detection unit for detecting a current of the load loop of the radio frequency massage head and a voltage detection unit for detecting a supply voltage of the radio frequency generator; the controller is specifically connected with the output ends of the current detection unit and the voltage detection unit to receive the measured current condition and the measured voltage condition, and specifically, the controller judges whether the current condition and the voltage condition are combined to be a no-load signal.
Optionally, the detection end of the load detection module is connected to the rf massage head through an output switching module.
Optionally, the analog load is a resistor.
Optionally, the output switching module is a relay.
The radio frequency beauty instrument is provided with the analog load and the output switching module, when the radio frequency massage head is not loaded, the power supply of the radio frequency beauty instrument can be turned off, and meanwhile, the output switching module switches the output signal of the radio frequency generator to be output to the analog load, so that the analog load can consume the residual electric quantity in the radio frequency beauty instrument, the electric charge accumulation at the radio frequency massage head is effectively prevented, and the electric shock phenomenon is avoided.
Drawings
Fig. 1 is a block diagram of a circuit module of the radio frequency beauty instrument of the present invention;
fig. 2 is a circuit diagram of the rf beauty instrument of the present invention, which is arranged between the output switching module, the analog load module and the rf massage head.
Description of reference numerals: 1. simulating a load resistor; 2. a relay; 3. a connector; 4. a coupling transformer; 5. a relay; 6. and (4) a passage.
Detailed Description
The invention will be described in further detail with reference to specific embodiments.
The radio frequency beauty instrument is shown in figures 1 and 2, and comprises a radio frequency generator controlled by a controller, a radio frequency massage head and a simulation load resistor 1 which are arranged in parallel, a relay 2 is connected between the radio frequency massage head and the radio frequency generator, the relay 2 is used as an output switching module, the front end of the relay is connected with the radio frequency generator, the rear end of the relay is communicated with the radio frequency massage head and can be switched to be communicated with the simulation load resistor 1, and the control end of the relay is connected with the controller. The radio frequency beauty instrument also comprises a current detection unit and a voltage detection unit which form a load detection module. The detection end of the current detection unit (namely the TC1 port and the TC1 port of the FIG. 2) is connected with the front end of the relay 2, and the output end is connected with the controller; the detection end of the voltage detection unit is connected with the power supply end of the radio frequency generator, and the output end of the voltage detection unit is connected with the controller. The controller includes a computer readable storage medium having an executable computer program stored therein. Before the radio frequency cosmetic instrument leaves a factory, reliability testing needs to be carried out, a tester can input a testing instruction on the radio frequency cosmetic instrument, and after the controller receives the testing instruction, the controller executes a computer program in a computer-readable storage medium to realize the following reliability testing process:
the controller firstly outputs an IO control signal to the control end of the relay 2 through the IO control port PB15 at the bottom in fig. 2, so that the relay 2 is switched to the state shown in fig. 2, that is, the rear port 7 and the rear port 2 thereof are communicated, and thus the rear end of the relay 2 is switched to be communicated with the analog load resistor 1, so that the positive electrode of the output end of the radio frequency generator is connected to the analog load resistor 1 through the RF-P port and then connected to the RF-N port through the rear port 7 and the rear port 2 of the relay 2, so as to be communicated with the negative electrode of the output end of the radio frequency generator, and thus a load loop of the analog load resistor 1 is formed, and in this state, the detection ends (i.e., the TC1 port and the TC1 2 port in fig. 2) of the current detection unit are connected to the load loop of the analog load resistor 1, so as to be able to detect the current of the load loop of the analog load resistor 1. Then the controller starts to test, in order to avoid that the radio frequency beauty instrument does not meet the set requirements on certain power levels, the simulated load resistor 1 needs to be testedIn this embodiment, the operation conditions of the simulated load resistor 1 at the power values of 10W, 20W, 30W, 40W, 50W, 60W, 70W and 80W are respectively taken according to the interval of 10W, and the operation conditions of the simulated load resistor 1 at the power values of 10W, 20W, 30W, 40W, 50W, 60W, 70W and 80W are respectively tested, because the probability that the radio frequency beauty instrument is not satisfactory at the maximum power and the minimum power is relatively high, the operation conditions of the radio frequency beauty instrument at the minimum power (close to 0W) are also required to be tested in addition to the operation conditions of the simulated load 1 at the power values (including the maximum power), specifically, the controller causes the radio frequency generator to output the minimum power (close to 0W), and the signal output by the radio frequency generator is transmitted to the simulated load resistor 1 through the RF-P port in fig. 2, then flows through the relay 2 and the coupling transformer 4 back to the RF-N port, and in this state, the current detection unit collects the simulated load resistor 1 at the minimum power (close to 0W) through the TC1 port and the TC1 port in the coupling transformer 4 in fig. 2 1 And transmitting the power supply voltage value to a controller, and acquiring a power supply voltage value U of the radio frequency generator under the condition of outputting a minimum power value (close to 0W) by a voltage detection unit 1 And transmitting it to a controller, the controller receiving and recording the current value I 1 And a supply voltage value U 1 . In the same way, the controller sequentially controls the radio frequency generator to output power values of 10W, 20W, 30W, 40W, 50W, 60W, 70W and 80W, and sequentially records the current value I of the load circuit simulating the load resistor 1 under the power values n And the supply voltage value U of the radio frequency generator n . Then, the controller calculates the load light-weight ratio Z of the simulated load resistor 1 under the power values of the minimum power value (close to 0W), 10W, 20W, 30W, 40W, 50W, 60W, 70W and 80W respectively according to the formula load light-weight ratio Z = U/I, and judges the operation condition of the simulated load resistor 1 by using the load light-weight ratio Z, specifically, judges whether the load light-weight ratio Z under each power value is within a preset standard ratio interval of 96% -104% one by one, and assumes that the load light-weight ratio Z under all power values is within the preset standard ratio interval of 96% -104%, that is, the operation condition of the simulated load resistor 1 under each power value is that the simulated load resistor 1 is within the preset standard ratio interval of 96% -104%The state of the line accords with the preset condition, the controller considers the radio frequency beauty instrument to be qualified, and the tester places the radio frequency beauty instrument in a factory product area. If the load weight ratio Z under the two power values is not in the standard ratio interval, namely the operation condition of the simulated load under the two power values does not meet the preset condition, the controller considers that the radio frequency beauty instrument is unqualified and marks the power value of which the load weight ratio Z is not in 96% -104% of the preset standard ratio interval, so that a tester can pertinently overhaul the radio frequency beauty instrument according to the marked power value. And after the radio frequency beauty instrument is repaired, the reliability test is carried out again, and the product is ready to leave the factory after the test is qualified.
The radio frequency beauty instrument is sold after being tested to be qualified, and the user can use the radio frequency beauty instrument to carry out beauty operation after purchasing the radio frequency beauty instrument from the factory. After the user starts the radio frequency beauty instrument, the controller outputs an IO control signal to the control terminal of the relay 2 through the IO control port PB15 at the bottom of fig. 2, so that the relay 2 is switched from the state shown in fig. 2 to communicate the rear port 5 and the rear port 4 thereof, that is, the rear end of the relay 2 communicates with the radio frequency massage head. The radio frequency beauty instrument of the embodiment is provided with a left radio frequency massage head and a right radio frequency massage head, a relay 5 is connected between the relay 2 and the two radio frequency massage heads, a rear port 5 and a port 4 of the relay 2 are connected with a front port 3 of the relay 5, the rear port 2 of the relay 5 is connected to the cathode of the left radio frequency massage head through the port 5 of a connector 3, and the rear port 4 of the relay 5 is connected to the cathode of the right radio frequency massage head through the port 4 of the connector 3. In the state shown in fig. 2, the front port 3 of the relay 5 is communicated with the rear port 2 of the relay 5 so as to be communicated with the negative electrode of the left radio frequency massage head through the port 5 of the connector 3, namely, the rear end of the relay 2 is communicated with the negative electrode of the left radio frequency massage head, in this state, the positive electrode of the output end of the radio frequency generator is connected with the RF-P port in fig. 2 so as to be connected to the port 1 of the connector 3 through the passage 6 so as to be communicated with the positive electrode of the left radio frequency massage head, the negative electrode of the output end of the radio frequency generator is connected with the RF-N port in the figure so as to be connected to the port 5 of the connector 3 through the rear port 5 and the rear port 4 of the relay 2 and the rear port 2 of the relay 5 so as to be communicated with the negative electrode of the left radio frequency massage head, so that a load loop of the left radio frequency massage head is formed, and at this time, the detection end (i.e., the TC1 port and the TC1 port in fig. 2) of the left radio frequency massage head is connected in the load loop, so as to detect the current of the left radio frequency massage head. The user holds the left radio frequency massage head to stick to the skin part needing beauty treatment, then inputs the radio frequency output instruction, and the controller receives the instruction and then enables the radio frequency generator to output the corresponding power value, so that the left radio frequency massage head starts to work. The left radio frequency massage head is provided with a radio frequency indicator lamp for indicating the working state of the massage head, the anode of the radio frequency indicator lamp gets electricity from a load circuit on the left radio frequency massage head through a coupling circuit, the front port 6 of the relay 5 is communicated with the rear port 7 thereof in the state that the front port 3 of the relay 5 is communicated with the rear port 2 thereof, and the cathode of the radio frequency indicator lamp of the left radio frequency massage head is connected to the rear port 7 of the relay 5 through the port 2 of the connector 3, so that an indicator lamp loop is formed and the left radio frequency massage head is lighted when working. In the working process of the left radio frequency massage head of the radio frequency beauty instrument, the controller can execute a computer program of a computer readable storage medium so as to realize the following automatic control flow of electric shock prevention:
the controller detects the load condition of the radio frequency massage head through a load detection module consisting of a current detection unit and a voltage detection unit, specifically, the current detection unit detects a current value I of the radio frequency massage head, the voltage detection unit detects a power supply voltage value of the radio frequency generator, the controller substitutes the detected power supply voltage value U and the detected current value I into a formula Z = U/I to calculate a load weight ratio Z, and the load condition of the radio frequency massage head is judged by utilizing the load weight ratio Z. When the rf beauty instrument is working normally, the load weight ratio Z will be different due to some differences in parameters such as body type, skin humidity, and body conductivity of different users, but is usually higher than 6%, so the threshold value for determining whether the rf massage head is loaded or unloaded is set to 6% in this embodiment. The controller judges that the current load light-weight ratio Z is higher than 6 percent, and then the radio frequency massage head is considered to be in a loaded state. When the current skin part of a user is operated, the next skin part needs to be beautified, the user moves the radio frequency massage head away from the current skin part, the radio frequency massage head leaves from the skin part, no load is consumed, the current value I in the load loop of the left radio frequency massage head is increased sharply, the current detection unit detects the current value of the load loop of the left radio frequency massage head, the voltage detection unit detects that the power supply voltage value U is unchanged, the current value signal and the voltage value signal form a no-load signal and are output to the controller together, the load weight ratio Z calculated by the controller according to the current value is very small, the controller judges that the load weight ratio Z is less than 6%, the radio frequency massage head is considered to be not loaded, the power supply of the radio frequency generator is closed, an IO control signal is output to the control end of the relay 2 through an IO control port PB15 in fig. 2, and the rear end of the relay 2 is controlled to be switched to be communicated with the analog load resistor 1. Therefore, the simulation load resistor 1 can consume the residual electric quantity in the radio frequency beauty instrument, effectively prevent the radio frequency massage head from accumulating electric charges and avoid the electric shock phenomenon. Because the rear end of the relay 2 is switched to be communicated with the simulation load resistor 1, the anode of the radio frequency indicating lamp can not be coupled to get electricity from the load loop of the left radio frequency massage head, and the radio frequency indicating lamp is turned off.
The controller of the embodiment can execute an electric shock preventing automatic control process, but is not preferred, other embodiments can execute a fire-fighting electric shock automatic control process, and a user manually turns off the power supply of the radio frequency beauty instrument and manually inputs an instruction to the controller to enable the rear end of the relay 2 to be switched to be communicated with the analog load resistor 1.
If a user does not want to use the left radio frequency massage head, the user wants to use the right radio frequency massage head instead, a massage head switching instruction is input, after receiving the switching instruction, the controller outputs an IO control signal to the control end of the relay 5 through an IO control port PA8 in fig. 2, the front port 3 of the relay 5 is switched to be communicated with the rear port 4 of the relay 5 so as to be communicated to the cathode of the right radio frequency massage head through the port 4 of the connector 3, namely the rear end of the relay 2 is communicated with the cathode of the right radio frequency massage head, in this state, the anode of the output end of the radio frequency generator is connected with the RF-P port in fig. 2 so as to be connected to the port 6 of the connector 3 through a passage 6 so as to be communicated to the anode of the right radio frequency massage head, the cathode of the output end of the radio frequency generator is connected with the RF-N port in the drawing so as to be connected to the port 4 of the connector 3 through the rear port 5 and the rear port 4 of the relay 2 and the rear port 4 of the relay 5, so as to be communicated with the cathode of the right radio frequency massage head, a load loop of the right radio frequency massage head is formed, and at this time, the detection end of the current detection unit (namely, the TC1 and the port of the relay 2 of the right radio frequency massage head in the load loop of the right massage head is connected to the load loop. The user holds the right radio frequency massage head to stick to the skin part needing beauty treatment, then inputs the radio frequency output instruction, and the controller receives the instruction and then enables the radio frequency generator to output the corresponding power value, so that the right radio frequency massage head starts to work. The right radio frequency massage head is provided with a radio frequency indicator lamp used for indicating the working state of the massage head, the anode of the radio frequency indicator lamp gets electricity from a load circuit on the right radio frequency massage head through a coupling circuit, a front port 6 of a relay 5 is communicated with a rear port 5 thereof in the state that a front port 3 of the relay 5 is communicated with a rear port 4 thereof, and the cathode of the radio frequency indicator lamp of the right radio frequency massage head is connected to the rear port 5 of the relay 5 through a port 3 of a connector 3, so that an indicator lamp loop is formed and the right radio frequency massage head is lighted when working. In the working process of the right radio frequency massage head of the radio frequency beauty instrument, the controller executes the anti-electric shock automatic control flow in the same way.
The above description is only the embodiments of the present invention, and the scope of protection is not limited thereto. The insubstantial changes or substitutions will now be made by those skilled in the art based on the teachings of the present invention, which fall within the scope of the claims.
Claims (7)
1. A radio frequency beauty instrument is characterized in that: the device comprises a radio frequency generator, a radio frequency massage head and a simulation load, wherein the simulation load and the radio frequency massage head are arranged in parallel, an output switching module is connected between the simulation load and the radio frequency massage head, the front end of the output switching module is connected with the radio frequency generator, and the rear end of the output switching module is communicated with the radio frequency massage head and can be switched to be communicated with the simulation load.
2. The radio frequency cosmetic instrument of claim 1, wherein: the load detection module outputs a no-load signal to switch the output switching module to be communicated with the simulation load.
3. The radio frequency cosmetic instrument of claim 2, wherein: the load detection module output end is connected with the control end of the output switching module through the controller; and if the controller judges that the output of the load detection module is a no-load signal, the controller controls the output switching module to switch to the connected simulation load.
4. The radio frequency cosmetic instrument of claim 3, wherein: the load detection module comprises a current detection unit for detecting the current of the load loop of the radio frequency massage head and a voltage detection unit for detecting the power supply voltage of the radio frequency generator; the controller is specifically connected with the output ends of the current detection unit and the voltage detection unit to receive the measured current condition and the measured voltage condition, and specifically, the controller judges whether the current condition and the voltage condition are combined to be a no-load signal.
5. The radio frequency cosmetic instrument of any one of claims 2 to 4, wherein: the detection end of the load detection module is connected with the radio frequency massage head through the output switching module.
6. The radio frequency cosmetic instrument of claim 1, wherein: the analog load is a resistor.
7. The radio frequency cosmetic instrument of claim 2, wherein: the output switching module is a relay (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983027.7U CN218010648U (en) | 2022-04-26 | 2022-04-26 | Radio frequency beauty instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983027.7U CN218010648U (en) | 2022-04-26 | 2022-04-26 | Radio frequency beauty instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218010648U true CN218010648U (en) | 2022-12-13 |
Family
ID=84373481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220983027.7U Active CN218010648U (en) | 2022-04-26 | 2022-04-26 | Radio frequency beauty instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218010648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110700A (en) * | 2023-08-23 | 2023-11-24 | 易集康健康科技(杭州)有限公司 | Method and system for detecting pulse power of radio frequency power supply |
-
2022
- 2022-04-26 CN CN202220983027.7U patent/CN218010648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110700A (en) * | 2023-08-23 | 2023-11-24 | 易集康健康科技(杭州)有限公司 | Method and system for detecting pulse power of radio frequency power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114887226A (en) | Radio frequency beauty instrument, anti-electric shock automatic control method and storage medium | |
| Kutluay et al. | A new online state-of-charge estimation and monitoring system for sealed lead-acid batteries in telecommunication power supplies | |
| JP4052418B2 (en) | Battery capacity detection method and apparatus, and battery pack | |
| RU2569322C2 (en) | Batteries for electric tools | |
| CN108336431B (en) | Charging control method, device and system of battery module | |
| CN102231551B (en) | Battery charger combining charging time and service life of battery | |
| CA2474632A1 (en) | Microprocessor-controlled high frequency charger | |
| CN110764014A (en) | Method and device for detecting short circuit in battery, terminal and readable storage medium | |
| CN218010648U (en) | Radio frequency beauty instrument | |
| CN103197248B (en) | Method and device for detecting electric quantity of robot storage battery | |
| JP2006153663A (en) | Method of determining lifetime of secondary battery | |
| CN109085511A (en) | A kind of lithium battery packet management system | |
| JPH08329992A (en) | Battery pack and charging unit | |
| CN111257763A (en) | Method and system for calculating remaining capacity of battery | |
| CA2596748A1 (en) | Method and apparatus for power management in an electronic device | |
| JP3192794B2 (en) | Lead storage battery deterioration judgment method and deterioration judgment device | |
| CN115015657A (en) | Reliability testing method for radio frequency cosmetic instrument and storage medium | |
| KR20210049470A (en) | Battery Management System and Battery Management Method | |
| CN110031707A (en) | The RTA reliability test assembly and test method of NTC thermistor | |
| TWI613455B (en) | Expandable modular battery capacity estimation system | |
| JP2005010032A (en) | Battery power detecting method, small electrical equipment using the method and battery pack | |
| CN115389959A (en) | Battery capacity checking method and device and battery equipment | |
| CN111537777B (en) | Automatic testing method and device for thermistor failure current | |
| CN111103547B (en) | Method for judging low battery and cooker applying same | |
| JPH08163788A (en) | Apparatus for charging secondary cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |