CN217932519U - Ultrasonic therapy controller with over-temperature prevention function - Google Patents

Ultrasonic therapy controller with over-temperature prevention function Download PDF

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CN217932519U
CN217932519U CN202221931149.8U CN202221931149U CN217932519U CN 217932519 U CN217932519 U CN 217932519U CN 202221931149 U CN202221931149 U CN 202221931149U CN 217932519 U CN217932519 U CN 217932519U
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ultrasonic
temperature
assembly
main control
control chip
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虞新建
郭艳莉
毕旭刚
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Xu Yuxia
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Shenzhen Nineteen Forty Two Technology Co ltd
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Abstract

The utility model discloses an ultrasonic therapy controller with prevent overtemperature function, wherein, ultrasonic therapy controller with prevent overtemperature function includes: the ultrasonic wave generating assembly is used for transmitting ultrasonic waves to a target position when the ultrasonic therapeutic apparatus works; the temperature sensor is arranged close to the ultrasonic wave generation assembly and used for acquiring the temperature of the ultrasonic wave generation assembly during working and outputting a corresponding temperature detection signal; the refrigeration component is attached to the ultrasonic generation component; the main control chip is respectively and electrically connected with the ultrasonic wave generating group, the temperature sensor and the refrigerating assembly, and is used for controlling the refrigerating assembly to work when the overtemperature of the ultrasonic wave generating assembly is detected according to the received temperature detection signal; the utility model discloses technical scheme aims at solving current ultrasonic therapy appearance and can appear scalding patient's skin problem when the high temperature.

Description

Ultrasonic therapy controller with over-temperature prevention function
Technical Field
The utility model relates to a circuit board technical field, in particular to ultrasonic therapy controller with prevent overtemperature function.
Background
Ultrasonic therapy is a conventional encephalopathy treatment means, an ultrasonic therapy head is attached to the surface of the skin of the head of a patient in the treatment process, then a certain sine pulse driving signal is applied to the ultrasonic therapy head, ultrasonic waves can be generated, the temperature of the ultrasonic therapy head can rise in the transcranial ultrasonic therapy process, the existing ultrasonic therapy head has no over-temperature prevention function, and therefore the skin of the patient can be scalded when the temperature is too high.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide an ultrasonic therapy controller with prevent overtemperature function aims at solving the problem that scald patient's skin can appear when current ultrasonic therapy appearance is too high in temperature.
In order to achieve the above purpose, the utility model provides an ultrasonic therapy controller with an over-temperature prevention function,
applied to an ultrasonic therapeutic apparatus, the ultrasonic therapeutic controller with the over-temperature prevention function comprises:
the ultrasonic wave generating assembly is used for transmitting ultrasonic waves to a target position when the ultrasonic therapeutic apparatus works;
the temperature sensor is arranged close to the ultrasonic wave generation assembly and used for acquiring the temperature of the ultrasonic wave generation assembly during working and outputting a corresponding temperature detection signal;
the refrigeration assembly is attached to the ultrasonic generation assembly, the input end of the refrigeration assembly is used for being connected with a direct-current power supply, and the output end of the refrigeration assembly is grounded;
the main control chip is respectively electrically connected with the ultrasonic generation assembly, the temperature sensor and the refrigeration assembly, and is used for controlling the refrigeration assembly to work when the ultrasonic generation assembly is detected to be over-temperature according to the received temperature detection signal.
Optionally, the refrigeration assembly comprises:
the input end of the switch tube is the input end of the refrigeration assembly, and the controlled end of the switch tube is connected with the output end of the main control chip;
the input end of the semiconductor refrigerating piece is connected with the output end of the switch tube, and the output end of the semiconductor refrigerating piece is the output end of the refrigerating assembly;
the main control chip is also used for controlling the switch tube to be conducted when the overtemperature of the ultrasonic wave generating assembly is detected according to the received temperature detection signal;
the semiconductor refrigerating sheet is used for cooling the ultrasonic generating assembly when receiving a direct-current power supply.
Optionally, the temperature sensor is any one of a thermistor, a thermocouple, or a platinum thermal resistor.
Optionally, the main control chip is further configured to control the ultrasonic wave generation assembly to stop working when detecting that the temperature of the ultrasonic wave generation assembly is abnormal according to the temperature detection signal.
Optionally, the ultrasonic therapy controller with the over-temperature prevention function further comprises:
the ultrasonic wave generating assembly, the temperature sensor, the refrigerating assembly and the main control chip are respectively arranged on the circuit board;
the casing, the casing is equipped with and holds the chamber, the circuit board set up in hold the intracavity.
Optionally, the ultrasonic therapy controller with the over-temperature prevention function further comprises:
and the radiating fin is arranged on the circuit board, and the position of the radiating fin corresponds to the heat release end of the refrigeration component.
Optionally, the ultrasonic therapy controller with the over-temperature prevention function further comprises:
the alarm circuit is arranged on the circuit board and is electrically connected with the main control chip;
the main control chip is also used for controlling the alarm circuit to output alarm information when the temperature of the ultrasonic generation assembly is detected to be abnormal according to the temperature detection signal.
Optionally, the ultrasonic therapy controller with the over-temperature prevention function further comprises:
the display screen is arranged on the shell and is electrically connected with the main control chip;
the main control chip is further used for outputting a corresponding display control signal to the display screen according to the received temperature detection signal so as to control the display screen to display corresponding temperature information.
Optionally, the ultrasonic therapy controller with the over-temperature prevention function further comprises:
the motion sensor is arranged on the circuit board and electrically connected with the main control chip, and is used for detecting the acceleration of a probe of the ultrasonic therapeutic apparatus and outputting an acceleration detection signal to the main control chip according to the detected acceleration;
the main control chip is also used for controlling the ultrasonic wave generation assembly to stop transmitting ultrasonic waves when the acceleration detection signal detects that the acceleration of the probe of the ultrasonic therapeutic apparatus is abnormal.
The utility model discloses technical scheme is through adopting temperature sensor and refrigeration subassembly, through pasting temperature sensor and ultrasonic wave emergence subassembly mutually, makes temperature sensor can gather the heat that the ultrasonic wave takes place the subassembly surface to the temperature detected signal that the output corresponds to main control chip when the voltage value of main control chip received temperature detected signal is greater than normal temperature voltage threshold value, the subassembly is taken place to the ultrasonic wave that the subassembly was pasted mutually to control refrigeration subassembly refrigerates to take place the subassembly to cool down to the ultrasonic wave, treat when the voltage value of main control chip received temperature detected signal is less than normal temperature voltage threshold value again, control refrigeration subassembly stops to take place the subassembly refrigeration to the ultrasonic wave, thereby realizes when the patient uses ultrasonic therapy appearance to treat, can in time cool down ultrasonic therapy appearance's probe, prevents that ultrasonic therapy appearance's probe high temperature from scalding patient's skin.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of an ultrasonic treatment controller with an over-temperature prevention function according to the present invention;
FIG. 2 is a schematic structural view of another embodiment of the ultrasonic treatment controller with over-temperature prevention function of the present invention;
FIG. 3 is a schematic structural diagram of another embodiment of the ultrasonic treatment controller with an over-temperature prevention function according to the present invention;
fig. 4 is a schematic structural view of another embodiment of the ultrasonic therapy controller with an over-temperature prevention function according to the present invention.
The reference numbers illustrate:
Figure BDA0003761284750000031
Figure BDA0003761284750000041
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an ultrasonic therapy controller with prevent excessive temperature function is applied to ultrasonic therapy appearance.
Referring to fig. 1, in one embodiment, the ultrasonic therapy controller with an anti-overheating function includes:
the ultrasonic therapeutic apparatus comprises an ultrasonic generating assembly 10, wherein when the ultrasonic therapeutic apparatus works, the ultrasonic generating assembly 10 is used for transmitting ultrasonic waves to a target position;
the temperature sensor 20 is arranged close to the ultrasonic wave generation assembly 10, and is used for acquiring the temperature of the ultrasonic wave generation assembly 10 during working and outputting a corresponding temperature detection signal;
the refrigeration assembly 30 is attached to the ultrasonic generation assembly 10, the input end of the refrigeration assembly 30 is used for being connected with a direct-current power supply, and the output end of the refrigeration assembly 30 is grounded;
the main control chip 40 is electrically connected with the ultrasonic wave generation group, the temperature sensor 20 and the refrigeration assembly 30, and the main control chip 40 is used for controlling the refrigeration assembly 30 to work when the ultrasonic wave generation assembly 10 is detected to be over-temperature according to the received temperature detection signal.
In this embodiment, the ultrasonic generating assembly 10 may include a bimorph element including a piezoelectric ceramic wafer and a metal plate, and when an electrical signal is applied to the bimorph element, the bimorph element may emit an ultrasonic wave due to bending vibration, and in other embodiments, the ultrasonic generating assembly may further include a bimorph element including two piezoelectric ceramic wafers; the temperature sensor 20 is any one of a thermistor, a thermocouple or a platinum thermal resistor; a normal temperature voltage threshold is preset in the main control chip 40, where the normal temperature voltage threshold is a voltage value corresponding to an output temperature detection signal when the temperature detected by the temperature sensor 20 is equal to the body temperature (e.g., 37 degrees celsius, 36.5 degrees celsius, or other temperature close to the body), and the normal temperature voltage threshold may be set by a developer according to the output voltage of the temperature sensor 20 adopted by the ultrasonic therapy controller during research and development, for example, when the temperature detected by the temperature sensor 20 is equal to 37 degrees celsius, the voltage value corresponding to the output temperature detection signal is 1.2V, and the corresponding normal temperature voltage threshold is 1.2V.
It should be understood that, in the application of the medical field, the ultrasonic therapy is a conventional treatment means for encephalopathy, the ultrasonic therapy head is attached to the surface of the skin of the head of a patient in the treatment process, then a certain sine pulse driving signal is applied to the ultrasonic therapy head, so that ultrasonic waves can be generated, the temperature of the ultrasonic therapy head can rise in the transcranial ultrasonic therapy process, and the existing ultrasonic therapy head has no over-temperature prevention function, so that the skin of the patient can be scalded when the temperature is too high.
In order to solve the problem, the utility model discloses a temperature sensor 20 and refrigeration subassembly 30, through taking place subassembly 10 with temperature sensor 20 and ultrasonic wave and paste mutually, make temperature sensor 20 can gather the heat on ultrasonic wave emergence subassembly 10 surface to the temperature detect signal that the output corresponds to main control chip 40, can integrate the comparator in the main control chip 40, come received temperature detect signal's voltage value and normal temperature voltage threshold to compare through the comparator when temperature detect signal's voltage value is greater than normal temperature voltage threshold, output refrigeration and open control signal to refrigeration subassembly 30, refrigeration subassembly 30 begins to absorb the heat when receiving refrigeration and open control signal, takes place subassembly 10 to refrigerate to the ultrasonic wave that pastes, takes place subassembly 10 to cool down in order to take place the ultrasonic wave, treats after main control chip 40 received temperature detect signal's voltage value is less than normal temperature voltage threshold again, the refrigeration of output low level closes control signal, makes refrigeration subassembly 30 stop to absorb the heat, no longer takes place subassembly 10 to the ultrasonic wave and refrigerates to realize when the patient uses ultrasonic therapy instrument to treat, can in time carry out the cooling of ultrasonic therapy instrument, prevents the high temperature therapeutic instrument's the patient's skin temperature probe.
Thus, in practical applications, when a doctor attaches a probe of an ultrasonic therapy apparatus to the skin of a patient, once the main control chip 40 detects that the temperature of the surface of the ultrasonic generation assembly 10 is higher than the skin of the patient through the temperature sensor 20, the refrigeration assembly 30 can be immediately controlled to cool the ultrasonic generation assembly 10, for example, the normal temperature voltage threshold set corresponding to 36 ℃ of the ultrasonic therapy apparatus adopted by the patient is 1.2V, when the doctor attaches the probe of the ultrasonic therapy apparatus to the skin of the patient to treat the patient, because the probe of the ultrasonic therapy apparatus is used for too long time, the temperature of the ultrasonic generation assembly 10 in the ultrasonic therapy controller starts to rise to 37 ℃ due to long-time transmission of ultrasonic waves, after the temperature sensor 20 receives the collected surface temperature of the ultrasonic generation assembly 10, a temperature detection signal representing 1.5V at 37 ℃ is output, after the main control chip 40 receives the temperature detection signal, it is determined that the voltage value of the received temperature detection signal is 1.5V greater than the normal temperature voltage threshold 1.2V, the refrigeration assembly 30 is controlled to refrigerate the attached ultrasonic generation assembly 10, when the temperature of the ultrasonic generation assembly 10 drops to 35 ℃, it is determined that the temperature of the probe of the temperature detection signal received by the probe, thereby preventing the patient from falling, and preventing the temperature detection module from the temperature of the normal temperature detection module from the temperature detection of the temperature of the patient from 0.5V, thereby preventing the temperature detection module from the temperature detection of the temperature detection module from falling, and preventing the detection module from the temperature of the temperature detection module from the temperature of the patient before the patient.
The utility model discloses technical scheme is through adopting temperature sensor 20 and refrigeration subassembly 30, through pasting temperature sensor 20 and ultrasonication subassembly 10 mutually, makes temperature sensor 20 can gather the heat on ultrasonication subassembly 10 surface to the temperature detected signal that the output corresponds to main control chip 40 when main control chip 40 received temperature detected signal's magnitude of voltage is greater than normal temperature voltage threshold, control refrigeration subassembly 30 refrigerates the ultrasonication subassembly 10 that pastes mutually, in order to cool down ultrasonication subassembly 10, treats when the magnitude of voltage of main control chip 40 received temperature detected signal is less than normal temperature voltage threshold again, control refrigeration subassembly 30 stops to the ultrasonication subassembly 10 refrigeration that takes place to the ultrasonic wave, thereby when realizing using ultrasonic therapy appearance to treat at the patient, can in time cool down ultrasonic therapy appearance's probe, prevent that ultrasonic therapy appearance's probe high temperature from scalding patient's skin.
In an embodiment, the main control chip 40 is further configured to control the ultrasonic wave generating assembly 10 to stop working when detecting that the temperature of the ultrasonic wave generating assembly 10 is abnormal according to the temperature detection signal.
In this embodiment, the temperature sensor 20 is attached to the ultrasonic wave generating assembly 10, so that the temperature sensor 20 can collect heat on the surface of the ultrasonic wave generating assembly 10 and output a corresponding temperature detection signal to the main control chip 40, and when a voltage value of the temperature detection signal is greater than a normal temperature voltage threshold, an ultrasonic wave stop control signal is output to the ultrasonic wave generating assembly 10, so that the ultrasonic wave generating assembly 10 stops transmitting ultrasonic waves, and the ultrasonic wave generating assembly 10 is prevented from continuing to generate heat accumulation due to ultrasonic wave loss, so that a probe of the ultrasonic therapeutic apparatus stops working to cool down; after the voltage value of the temperature detection signal received by the main control chip 40 is smaller than the normal temperature voltage threshold value again, the main control chip 40 outputs an ultrasonic wave starting control signal to the ultrasonic wave generating assembly 10, so that the ultrasonic wave generating assembly 10 stops outputting ultrasonic energy to subcutaneous tissues, the possibility that the ultrasonic energy is output for multiple times at the same position of the skin is avoided, the risk of scalding the skin is reduced, and the problem that the skin is scalded due to the fact that the ultrasonic energy is output for multiple times at the same position of the skin is solved.
Referring to fig. 1, the refrigeration assembly 30 includes:
the input end of the switch tube is the input end of the refrigeration assembly, and the controlled end of the switch tube is connected with the output end of the main control chip 40;
the input end of the semiconductor refrigerating piece is connected with the output end of the switch tube, and the output end of the semiconductor refrigerating piece is the output end of the refrigerating assembly 30;
the main control chip 40 is further configured to control the switching tube to be turned on when the over-temperature of the ultrasonic wave generating assembly 10 is detected according to the received temperature detection signal;
the semiconductor refrigeration piece is used for cooling the ultrasonic generation assembly 10 when receiving a direct-current power supply.
In this embodiment, when the ultrasonic therapeutic apparatus operates, the main control chip 40 receives the temperature detection signal representing the operating temperature of the ultrasonic generation assembly 10 output by the temperature sensor 20, after the main control chip 40 receives the temperature detection signal, the voltage value of the received temperature detection signal is compared with the normal temperature voltage threshold value through the comparator, when the voltage value of the temperature detection signal is greater than the normal temperature voltage threshold value, a refrigeration start control signal is output to the switch tube, so that the switch tube is closed and then the dc power supply and the semiconductor refrigeration sheet are conducted, the semiconductor refrigeration sheet is a galvanic couple formed by connecting two different semiconductor materials in series, when the dc power supply passes through the refrigeration sheet, the heat absorption end attached to the ultrasonic generation assembly 10 can absorb the heat generated when the ultrasonic generation assembly 10 operates, so as to refrigerate and cool the ultrasonic generation assembly 10, after the voltage value of the temperature detection signal received by the main control chip 40 is again less than the normal temperature voltage threshold value, the refrigeration stop control signal is output to the switch tube, so that the connection between the dc power supply and the semiconductor refrigeration stop absorbing the heat absorption of the dc power supply, thereby preventing the ultrasonic therapeutic apparatus from scalding the patient.
Referring to fig. 1, in an embodiment, the ultrasonic therapy controller with the over-temperature prevention function further includes:
the ultrasonic wave generating assembly 10, the temperature sensor 20, the refrigerating assembly 30 and the main control chip 40 are respectively arranged on the circuit board;
the casing, the casing is equipped with and holds the chamber, the circuit board set up in hold the intracavity.
In this embodiment, the circuit board is used for fixing the positional relationship among the ultrasonic wave generating assembly 10, the temperature sensor 20, the multi-refrigeration assembly 30 and the main control chip 40, and the housing may be square, conical or in other shapes, and is used for fixing the circuit board in the ultrasonic therapy apparatus, and preventing dust from entering the circuit board to short-circuit between circuits carried on the circuit board, so as to ensure the safety and stability inside the ultrasonic therapy controller.
Referring to fig. 1 to 2, in an embodiment, the ultrasonic therapy controller with an anti-overheating function further includes:
and the heat radiating fin 50 is arranged on the circuit board, and the position of the heat radiating fin 50 corresponds to the heat releasing end of the refrigeration component 30.
In this embodiment, ultrasonic therapy apparatus is at the during operation, needs to vibrate through the piezoceramics wafer in the ultrasonic wave emergence subassembly 10 and sheetmetal and sends the ultrasonic wave, and the ultrasonic wave has the loss when the transmission, produces the heat accumulation to make ultrasonic therapy apparatus's probe temperature rise rapidly, if not in time distribute away this heat, ultrasonic therapy apparatus's probe will last intensification, when pasting with user's skin, causes the scald to the user.
The utility model discloses a set up fin 50 below the device of subassembly 10 takes place for the ultrasonic wave, through the in close contact with of fin 50 and heat source (for example piezoceramics wafer), make the heat pass to fin 50 on, in time with heat follow device effluvium.
Referring to fig. 1 to 3, in an embodiment, the ultrasound therapy controller with an over-temperature prevention function further includes:
the alarm circuit 60 is arranged on the circuit board, and the alarm circuit 60 is electrically connected with the main control chip 40;
the main control chip 40 is further configured to control the alarm circuit 60 to output alarm information when the voltage value of the received temperature detection signal is greater than a normal temperature voltage threshold value.
In this embodiment, the alarm circuit 60 may include a buzzer, and in other embodiments, may also be an audio processing circuit.
When the ultrasonic therapeutic apparatus works, the main control chip 40 receives the temperature detection signal of the working temperature of the ultrasonic generation assembly 10 of the representation output by the temperature sensor 20, the comparator of the main control chip 40 compares the voltage value of the received temperature detection signal with the normal temperature voltage threshold value, when the voltage value of the temperature detection signal is greater than the normal temperature voltage threshold value, the alarm circuit 60 outputs the alarm information after receiving the alarm control signal, such as sending buzzing or broadcasting the current temperature of the ultrasonic generation assembly 10.
Referring to fig. 1 to 3, in an embodiment, the ultrasonic therapy controller with an anti-overheating function further includes:
the display screen 70 is arranged on the shell, and the display screen 70 is electrically connected with the main control chip 40;
the main control chip 40 is further configured to output a corresponding display control signal to the display screen 70 according to the received temperature detection signal, so as to control the display screen 70 to display corresponding temperature information.
In this embodiment, the outer side of the casing is provided with a display screen 70 installation area, the display screen 70 is fixed in the display screen 70 installation area through screws, and the display screen 70 may be a nixie tube array or an LED display screen 70.
The ultrasonic therapeutic apparatus is powered on to work after being started, the main control chip 40 receives a temperature detection signal which is output by the temperature sensor 20 and represents the working temperature of the ultrasonic generation assembly 10, the main control chip 40 performs signal processing on the received temperature detection signal and outputs a corresponding display control signal, so that the display screen 70 displays the current temperature information of the ultrasonic generation assembly 10 according to the received display control signal. The doctor can know the temperature of the probe of the ultrasonic therapeutic apparatus in real time, and the skin of a patient is prevented from being scalded due to overhigh temperature of the probe.
Referring to fig. 1 to 4, in an embodiment, the ultrasonic therapy controller with an anti-overheating function further includes:
the motion sensor 80 is arranged on the circuit board and electrically connected with the main control chip 40, and the motion sensor 80 is used for detecting the acceleration of the probe of the ultrasonic therapeutic apparatus and outputting an acceleration detection signal to the main control chip 40 according to the detected acceleration;
the main control chip 40 is further configured to control the ultrasonic wave generation assembly 10 to stop transmitting ultrasonic waves when detecting that the acceleration of the probe of the ultrasonic therapeutic apparatus is abnormal according to the acceleration detection signal.
In this embodiment, the main control chip 40 is preset with a normal acceleration voltage threshold, where the normal acceleration voltage threshold is an acceleration detected by the motion sensor 80 and equal to the acceleration of the human hand moving slowly (e.g. 0.5 m/s) 2 、0.3m/s 2 Or otherwise slowAcceleration of motion state), the normal acceleration voltage threshold may be set according to the output voltage of the motion sensor 80 adopted by the ultrasonic therapy controller during research and development by research and development personnel, for example, the acceleration of the human hand detected by the motion sensor 80 is 0.5m £ or greater 2 If the voltage value of the output acceleration detection signal is 1.2V, the corresponding normal acceleration voltage threshold value is 1.2V; the motion sensor 80 may be an acceleration sensor, a gyroscope, or a 3-axis acceleration sensor or other motion sensor 80.
Specifically, when the doctor moves the probe of the ultrasonic treatment apparatus close to the skin of the patient, if the doctor does not move the probe of the ultrasonic treatment apparatus in time after the doctor uses the ultrasonic treatment apparatus to emit ultrasonic waves to one skin area of the patient, the motion sensor 80 acquires the acceleration of the probe of the ultrasonic treatment apparatus at that time, and outputs a corresponding acceleration acquisition signal to the main control chip 40. The voltage value of the acceleration detection signal received by the comparator is smaller than the normal acceleration voltage threshold, the main control chip 40 outputs an ultrasonic wave stop control signal to the ultrasonic wave generation assembly 10, and the ultrasonic wave generation assembly 10 stops transmitting ultrasonic waves; when the user moves the probe of the ultrasonic therapeutic apparatus to other skin areas of the patient again, the voltage value of the acceleration detection signal received by the comparator is larger than the normal acceleration voltage threshold value, the main control chip 40 outputs an ultrasonic start control signal to the ultrasonic generating assembly 10, and the ultrasonic generating assembly 10 stops outputting ultrasonic energy to subcutaneous tissues.
For example, the acceleration of the slow movement of the human hand is set to 0.3m/s 2 The corresponding normal acceleration voltage threshold is 1.2V, when a doctor carries out ultrasonic treatment on a patient, because the hand reaction is slow in long-time working, after the ultrasonic treatment is transmitted to one skin area of the patient, the probe of the ultrasonic treatment device is not moved in time, the probe of the ultrasonic treatment device hardly moves at the moment, and the acceleration of the probe detected by the motion sensor 80 is 0m/s 2 Comparison ofThe voltage value 0V of the acceleration detection signal received by the ultrasonic generator is smaller than the normal acceleration voltage threshold value 1.2V, and the main control chip 40 outputs an ultrasonic stop control signal to the ultrasonic generation assembly 10 to stop the ultrasonic generation assembly 10 from transmitting ultrasonic waves; when the doctor moves the probe of the ultrasonic therapeutic apparatus again, the acceleration is increased to 0.5m/s 2 During the process, the voltage value 1.5V of the acceleration detection signal received by the comparator is greater than the normal acceleration voltage threshold value 1.2V, the main control chip 40 outputs an ultrasonic wave starting control signal to the ultrasonic wave generating assembly 10, so that the ultrasonic wave generating assembly 10 outputs ultrasonic energy to subcutaneous tissues again, the possibility that the ultrasonic energy is output for multiple times at the same position of the skin is avoided, the risk of scalding the skin is reduced, and the problem that the ultrasonic energy is output for multiple times at the same position of the skin to cause the skin scalding is solved.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (9)

1. An ultrasonic therapy controller with an over-temperature prevention function, which is applied to an ultrasonic therapy apparatus, is characterized by comprising:
the ultrasonic wave generating assembly is used for transmitting ultrasonic waves to a target position when the ultrasonic therapeutic apparatus works;
the temperature sensor is arranged close to the ultrasonic wave generation assembly and used for acquiring the temperature of the ultrasonic wave generation assembly during working and outputting a corresponding temperature detection signal;
the refrigeration assembly is attached to the ultrasonic generation assembly, the input end of the refrigeration assembly is used for being connected with a direct-current power supply, and the output end of the refrigeration assembly is grounded;
the main control chip is respectively electrically connected with the ultrasonic wave generation assembly, the temperature sensor and the refrigeration assembly, and is used for controlling the refrigeration assembly to work when the ultrasonic wave generation assembly is detected to be over-temperature according to the received temperature detection signal.
2. The ultrasonic therapy controller with an over-temperature prevention function of claim 1, wherein the cooling assembly comprises:
the input end of the switch tube is the input end of the refrigeration assembly, and the controlled end of the switch tube is connected with the output end of the main control chip;
the input end of the semiconductor refrigerating piece is connected with the output end of the switch tube, and the output end of the semiconductor refrigerating piece is the output end of the refrigerating assembly;
the main control chip is also used for controlling the switch tube to be conducted when the overtemperature of the ultrasonic wave generating assembly is detected according to the received temperature detection signal;
the semiconductor refrigeration piece is used for cooling the ultrasonic generation assembly when receiving a direct-current power supply.
3. The ultrasonic therapy controller with an anti-over-temperature function according to claim 1, wherein the temperature sensor is any one of a thermistor, a thermocouple or a platinum thermal resistor.
4. The ultrasonic therapy controller with an over-temperature prevention function according to claim 1, wherein the main control chip is further configured to control the ultrasonic generation assembly to stop working when detecting that the temperature of the ultrasonic generation assembly is abnormal according to the temperature detection signal.
5. The ultrasonic therapy controller with an anti-overheating function according to claim 1, further comprising:
the ultrasonic wave generating assembly, the temperature sensor, the refrigerating assembly and the main control chip are respectively arranged on the circuit board;
the casing, the casing is equipped with and holds the chamber, the circuit board set up in hold the intracavity.
6. The ultrasound therapy controller with over-temperature prevention function of claim 5, further comprising:
and the radiating fin is arranged on the circuit board, and the position of the radiating fin corresponds to the heat release end of the refrigeration component.
7. The ultrasound therapy controller with over-temperature prevention function of claim 5, further comprising:
the alarm circuit is arranged on the circuit board and is electrically connected with the main control chip;
the main control chip is also used for controlling the alarm circuit to output alarm information when the temperature of the ultrasonic generation assembly is detected to be abnormal according to the temperature detection signal.
8. The ultrasonic therapy controller with anti-over-temperature function of claim 5, wherein the ultrasonic therapy controller with anti-over-temperature function further comprises:
the display screen is arranged on the shell and is electrically connected with the main control chip;
the main control chip is further used for outputting a corresponding display control signal to the display screen according to the received temperature detection signal so as to control the display screen to display corresponding temperature information.
9. The ultrasonic therapy controller with anti-over-temperature function of claim 5, wherein the ultrasonic therapy controller with anti-over-temperature function further comprises:
the motion sensor is arranged on the circuit board and electrically connected with the main control chip, and is used for detecting the acceleration of a probe of the ultrasonic therapeutic apparatus and outputting an acceleration detection signal to the main control chip according to the detected acceleration;
the main control chip is also used for controlling the ultrasonic wave generation assembly to stop transmitting ultrasonic waves when the acceleration detection signal detects that the acceleration of the probe of the ultrasonic therapeutic apparatus is abnormal.
CN202221931149.8U 2022-07-22 2022-07-22 Ultrasonic therapy controller with over-temperature prevention function Active CN217932519U (en)

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Application Number Priority Date Filing Date Title
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