CN210898563U - Charging circuit of many moxibustion heads and use its moxibustion instrument - Google Patents
Charging circuit of many moxibustion heads and use its moxibustion instrument Download PDFInfo
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- CN210898563U CN210898563U CN201921739408.5U CN201921739408U CN210898563U CN 210898563 U CN210898563 U CN 210898563U CN 201921739408 U CN201921739408 U CN 201921739408U CN 210898563 U CN210898563 U CN 210898563U
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Abstract
The utility model discloses a charging circuit with multiple moxibustion heads and moxibustion therapy equipment using the same, which comprises a power conversion system and a plurality of moxibustion head circuits, wherein the moxibustion head circuits can be connected in parallel with the output end of the power conversion system; the moxibustion head circuit comprises a moxibustion head charging control module, a moxibustion head charging switch module, a moxibustion head energy storage module and a moxibustion head energy storage electric quantity detection module; the moxibustion head charging switch module is respectively and electrically connected with the output end of the power supply conversion system and the moxibustion head energy storage module, the moxibustion head energy storage electric quantity detects the electric quantity information of the moxibustion head energy storage module, and the moxibustion head charging control module outputs a PWM (pulse width modulation) signal to control the operation of the moxibustion head charging switch module according to the electric quantity information of the moxibustion head energy storage module; when a plurality of moxibustion head circuits are charged in parallel, the charging safety and stability are guaranteed, and meanwhile, the large current output by the power supply conversion system can be distributed to each moxibustion head circuit, so that the charging is stable and orderly, and the charging efficiency is improved.
Description
Technical Field
The utility model relates to a moxibustion field, especially a charging circuit of many moxibustion heads and use its moxibustion equipment of treating.
Background
In the field of moxibustion, moxibustion equipment is available nowadays, which comprises a plurality of moxibustion heads, can be placed at different parts of a human body to operate and simulate moxibustion in traditional Chinese medicine;
in order to solve the problem of troublesome wiring of each moxibustion head, the moxibustion equipment can be provided with a console (host), and each moxibustion head is wirelessly controlled by the console;
the problem of supplying power to the moxibustion head is accompanied, a charging seat is arranged on the console and can charge the moxibustion head, but due to the fact that the charging circuit is unreasonable in design, only a single moxibustion head can be charged in the past, or mutually independent charging circuits are arranged in the console, each charging circuit corresponds to one moxibustion head to charge, and therefore cost is high; and if only set up a charging circuit in the control cabinet, when charging to a plurality of moxibustion heads simultaneously, because the electric current of each moxibustion head is exported in the unable accurate control, cause the fluctuation of charging great, cause the damage to the moxibustion head inside easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a stable first charging circuit of many moxibustion and use its moxibustion therapy equipment.
The utility model adopts the technical proposal that:
a charging circuit for a multi-moxibustion head, comprising:
the power conversion system can be electrically connected with an external power supply and converts the external power supply into power supply;
the moxibustion head circuits can be connected in parallel to the output end of the power supply conversion system;
the moxibustion head circuit comprises a moxibustion head charging control module, a moxibustion head charging switch module, a moxibustion head energy storage module and a moxibustion head energy storage electric quantity detection module;
the input of the moxibustion head charging switch module can with power conversion system's output electric connection, the output of the moxibustion head charging switch module does the moxibustion head energy storage module charges, moxibustion head energy storage electric quantity detection module with moxibustion head energy storage module connects in order to detect the electric quantity information of moxibustion head energy storage module, moxibustion head charging control module respectively with moxibustion head energy storage electric quantity detection module the control end electric connection of moxibustion head charging switch module is in order to basis the electric quantity information output PWM signal control of moxibustion head energy storage module the operation of moxibustion head charging switch module.
The moxibustion head charging control module can output a plurality of groups of PWM signals to control the moxibustion head charging switch module to output a plurality of groups of charging currents with different levels.
The moxibustion head circuit further comprises a temperature detection module, the temperature detection module is used for detecting temperature information of the moxibustion head energy storage module, and the moxibustion head charging control module is electrically connected with the temperature detection module.
The power conversion system comprises a rectification filtering module, a PFC power correction module, an LLC resonance control module, a DC conversion module and a sampling feedback module;
the input end of the rectification filter module can be electrically connected with an external alternating current power supply, the output end of the rectification filter module is electrically connected with the input end of the PFC power correction module, the output end of the PFC power correction module is respectively electrically connected with the input end of the LLC resonance control module and the input end of the DC conversion module, the output end of the DC conversion module can supply power for a moxibustion head circuit, the input end of the sampling feedback module is electrically connected with the DC conversion module, the output end of the sampling feedback module is electrically connected with the feedback end of the LLC resonance control module, and the output end of the LLC resonance control module is electrically connected with the control end of the DC conversion module to control the operation of the DC conversion module.
The power conversion system further comprises an auxiliary power supply module, and the auxiliary power supply module is electrically connected with the output end of the rectification filtering module, the PFC power correction module and the LLC resonance control module respectively to supply power to the PFC power correction module and the LLC resonance control module.
The system also comprises a host charging control module, a host charging switch module, a host energy storage module and a full power turn-off module;
the input of host computer charge switch module with the output electric connection of DC transform module, the output of host computer charge switch module with full electricity turn-off module and host computer energy storage module constitutes the charging circuit, and host computer energy storage module is the host computer power supply, host computer charge control module with host computer energy storage module connects the electric quantity information in order to detect host computer energy storage module, host computer charge control module with host computer charge switch module's control end electric connection is in order to control the operation of host computer charge switch module, full electricity turn-off module detects the electric quantity information of host computer energy storage module and closes or turn-off according to the electric quantity information.
The full-power turn-off module comprises a switching tube Q7, a switching tube Q8, a silicon controlled rectifier VD3, a resistor R72, a resistor R73, a resistor R75, a resistor R76, a resistor R77, a resistor R78 and a resistor R79;
the input end of the switching tube Q7 is respectively electrically connected with the negative electrode of the host energy storage module and one end of the resistor R73, and the output end of the switching tube Q7 is grounded;
the control end of the switching tube Q7 is electrically connected with the other end of the resistor R73 and one end of the resistor R72 respectively;
the other end of the resistor R72 is electrically connected with the output end of the switch tube Q8;
the input end of the switching tube Q8 is electrically connected to one end of the resistor R75, and the other end of the resistor R75 is electrically connected to one end of the resistor R76, one end of the resistor R78 and the anode of the host energy storage module, respectively;
the other end of the resistor R76 is respectively electrically connected with one end of the resistor R77 and the control end of the switching tube Q8;
the other end of the resistor R77 is electrically connected with the cathode of the controllable silicon VD 3;
the control electrode of the controllable silicon VD3 is respectively and electrically connected with the other end of the resistor R78 and one end of the resistor R79;
the anode of the thyristor VD3 and the other end of the resistor R79 are both grounded.
The DC conversion module is characterized by further comprising a voltage conversion module, wherein the input end of the voltage conversion module is electrically connected with the host energy storage module and the output end of the DC conversion module respectively, and the output end of the voltage conversion module is connected with the host.
The DC conversion module comprises an inversion unit, a transformer unit and a rectification filter unit, wherein the input end of the inversion unit is electrically connected with the output end of the PFC power correction module, the output end of the inversion unit is electrically connected with the input end of the transformer unit, the output end of the transformer unit is electrically connected with the input end of the rectification filter unit, the output end of the rectification filter unit can supply power for the moxibustion head circuit, and the output end of the LLC resonance control module is electrically connected with the control end of the inversion unit to control the operation of the inversion unit.
According to the utility model discloses charging circuit has following beneficial effect at least:
the power supply conversion system is electrically connected with an external power supply and converts the external power supply into power supply to output large current, one moxibustion head circuit can be charged, and a plurality of moxibustion head circuits can be charged simultaneously, when the plurality of moxibustion head circuits are connected, the moxibustion head circuits are connected in parallel, in the moxibustion head circuits, the moxibustion head energy storage and electric quantity detection module detects the electric quantity information of the moxibustion head energy storage module, when the electric quantity is lower, the moxibustion head charging control module can modulate and output PWM signals to control the operation of the moxibustion head charging switch module, so that the moxibustion head energy storage module is charged by the large current, the charging current is gradually reduced along with the increase of the electric quantity, when the plurality of moxibustion head circuits are charged in parallel, due to the limitation of the moxibustion head charging switch module, the charging current cannot be too high, the charging safety and stability are ensured, and meanwhile, the large current output by the power supply conversion system can be distributed to each moxibustion head circuit, can charge the lower moxibustion head of electric quantity earlier, the electric quantity rises the back, just reduces charging current automatically to for the moxibustion head quick charge that other electric quantities are low, make to charge stably orderly, improve charge efficiency.
The utility model also provides an equipment is treated in moxibustion, including the charging circuit of the platform that charges, a plurality of moxibustion head and the many moxibustion heads of using above-mentioned embodiment, power conversion system sets up at the bench that charges, and the first circuit setting of moxibustion is overhead at the moxibustion, and the platform that charges can charge for each moxibustion head.
According to the utility model discloses moxibustion equipment has following beneficial effect at least:
the power conversion system is arranged on the charging table, is connected with an external power supply and converts the external power supply, and the moxibustion heads can be arranged on the charging table to be charged simultaneously and are stable and efficient in charging.
Drawings
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the structural principle of the charging circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the rectifying and filtering module of the charging circuit of the present invention.
Fig. 3 is a schematic circuit diagram of the PFC power correction module of the charging circuit of the present invention.
Fig. 4 is a schematic circuit diagram of the DC conversion module of the charging circuit of the present invention.
Fig. 5 is a schematic circuit diagram of the LLC resonant control module of the charging circuit of the present invention.
Fig. 6 is a schematic circuit diagram of the auxiliary power supply module of the charging circuit of the present invention.
Fig. 7 is a schematic circuit diagram of the host charging part of the charging circuit of the present invention.
Fig. 8 is a schematic circuit diagram of the voltage conversion module of the charging circuit of the present invention.
Fig. 9 is a circuit diagram of the charging part of the moxibustion head of the charging circuit of the present invention.
Fig. 10 is a schematic circuit diagram of the temperature detection module of the charging circuit of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1-10, a charging circuit for multiple moxibustion heads comprises:
the power conversion system 1 can be electrically connected with an external power supply and can convert the external power supply into power supply;
the moxibustion head circuits 2 are connected in parallel to the output end of the power supply conversion system 1;
the moxibustion head circuit 2 comprises a moxibustion head charging control module 21, a moxibustion head charging switch module 22, a moxibustion head energy storage module 23 and a moxibustion head energy storage electric quantity detection module 24;
the input of the moxibustion head charging switch module 22 can be electrically connected with the output of the power conversion system 1, the output of the moxibustion head charging switch module 22 is charged by the moxibustion head energy storage module 23, the moxibustion head energy storage electric quantity detection module 24 is connected with the moxibustion head energy storage module 23 to detect the electric quantity information of the moxibustion head energy storage module 23, the moxibustion head charging control module 21 is respectively electrically connected with the moxibustion head energy storage electric quantity detection module 24, the control end of the moxibustion head charging switch module 22 is electrically connected to output a PWM signal to control the operation of the moxibustion head charging switch module 21 according to the electric quantity information of the moxibustion head energy storage module 23.
In some embodiments, the power conversion system 1 can output a power level of 19V, +10A, which can simultaneously support charging 24 head circuits, and of course, the power conversion system can have other output levels to charge more head circuits, which is not limited herein.
In some embodiments, as shown in fig. 1, 9 and 10, the moxibustion head charging control module 21 may employ a charging control chip, the moxibustion head energy storage module 23 may include an energy storage battery or an electric energy capacitor, the moxibustion head charging switch module 22 may employ a switch Q9, the switch Q9 or the switch provided below may be selected from conventional types of a triode or a MOS transistor, the moxibustion head energy storage and energy detection module 24 may be composed of a resistor R87, the charging control chip includes a current feedback terminal CSP and a voltage feedback terminal FB, the current feedback terminal of the charging control chip is connected to the positive electrode of the moxibustion head energy storage module 23 to obtain the charging current of the moxibustion head, the voltage feedback terminal of the charging control chip is connected to the positive electrode of the moxibustion head energy storage module 23 through the resistor R87 to obtain the voltage of the moxibustion head energy storage module, therefore, the electric quantity of the moxibustion head energy storage module is obtained through conversion, and the charging control chip controls the switch tube Q9 to be conducted to regulate the charging current.
The power conversion system 1 is electrically connected with an external power supply and converts the external power supply into power supply to output large current, so that one moxibustion head circuit can be charged, and a plurality of moxibustion head circuits can be charged simultaneously, when the plurality of moxibustion head circuits are connected, the moxibustion head circuits are connected in parallel, in the moxibustion head circuit 2, the moxibustion head energy storage electric quantity detection module 24 detects the electric quantity information of the moxibustion head energy storage module 23, when the electric quantity is lower, the moxibustion head charging control module 21 can modulate and output a PWM signal to control the operation of the moxibustion head charging switch module 22, so that the moxibustion head energy storage module 23 is charged by the large current, the charging current is gradually reduced along with the increase of the electric quantity, when the plurality of moxibustion head circuits 2 are charged in parallel, due to the limitation of the moxibustion head charging switch module 22, the charging current cannot be too high, the charging safety and stability are ensured, and the large current output by the power conversion system can be distributed to each moxibustion head circuit 2, can charge the lower moxibustion head of electric quantity earlier, the electric quantity rises the back, just reduces charging current automatically to for the moxibustion head quick charge that other electric quantities are low, make to charge stably orderly, improve charge efficiency.
In some embodiments, the head charging control module 21 can output multiple sets of PWM signals to control the head charging switch module 22 to output multiple sets of different levels of charging current.
For example, 24 moxibustion heads are charged, 24 moxibustion heads are subjected to charging management, and moxibustion heads with low electric quantity are charged preferentially, so that the charging efficiency is improved, and charging can be graded according to the electric quantity, if the highest charging current is I, the current with the size I is used for charging moxibustion heads with the size of 20% lower than the electric quantity, the current with the size of 0.8I is used for charging when the charging rate is 50%, and the current with the size of 0.5I is used for charging until the electric quantity is full when the charging rate is 80%, so that the moxibustion head energy storage module can be protected to the maximum extent, and the moxibustion head energy storage module is more durable.
In some embodiments, in order to ensure the charging safety, as shown in fig. 1 and 10, the moxibustion head circuit 2 further includes a temperature detection module 25, the temperature detection module 25 is used for detecting the temperature information of the moxibustion head energy storage module 24, and the moxibustion head charging control module 21 is electrically connected to the temperature detection module 25;
the temperature detection module 25 can adopt an NTC or PTC temperature measurement element, and further comprises a switching tube Q10, a switching tube Q11, a resistor R93, a resistor R92, a resistor R89, a resistor R90, a resistor R91 and a thyristor VD 4;
the NTC temperature measuring element is close to the moxibustion head energy storage module to detect the temperature, one end of the NTC temperature measuring element is electrically connected with the output end of the moxibustion head charging switch module, and the other end of the NTC temperature measuring element is electrically connected with one end of a resistor R89 and one end of a resistor R90 respectively;
the other end of the resistor R89 is electrically connected with the output end of the switch tube Q10, the input end of the switch tube Q10 is respectively electrically connected with an external power supply, one end of the resistor R93 is electrically connected with the input end of the switch tube Q11, the output end of the switch tube Q11 is electrically connected with the moxibustion head charging control module, the control end of the switch tube Q11 is respectively electrically connected with the other end of the resistor R93, the control end of the switch tube Q10 and one end of the resistor R92, the other end of the resistor R92 is electrically connected with the cathode of the thyristor VD4, the control electrode of the thyristor VD4 is respectively electrically connected with the other end of the resistor R90 and one end of the resistor R91, and the anode of the thyristor VD4 and the other end of the resistor R39.
Therefore, the NTC temperature measuring element changes resistance along with temperature change, the on-off states of the switch tube Q10, the switch tube Q11 and the controlled silicon VD4 are controlled to change, a temperature signal is generated and fed back to the moxibustion head charging control module, and when the temperature of the moxibustion head energy storage module rises, the moxibustion head charging control module cuts off charging current, so that charging safety is guaranteed.
In order to provide a stable charging power, as shown in fig. 1-6, the power conversion system 1 includes a rectifying and filtering module 3, a PFC power correction module 4, an LLC resonance control module 5, a DC conversion module 6, and a sampling feedback module 7;
the input of rectification filter module 3 can be with outside alternating current power supply electric connection, the output of rectification filter module 3 and the input electric connection of PFC power correction module 4, the output of PFC power correction module 4 respectively with the input of LLC resonance control module 5 and the input electric connection of DC transform module 6, the output of DC transform module 6 can charge for the moxibustion head, the input and the DC transform module 6 electric connection of sampling feedback module 7, the output of sampling feedback module 7 and the feedback end electric connection of LLC resonance control module 5, the output of LLC resonance control module 5 and the control end electric connection of DC transform module 6 are in order to control DC transform module 6 operation.
In some embodiments, as shown in fig. 2, the rectifying and filtering module 3 includes an EMI filtering unit 31 and a rectifying unit 32 connected in sequence, the EMI filtering unit 31 can be electrically connected to an external ac power source, and the rectifying unit 32 is electrically connected to an input terminal of the PFC power correction module 4, so as to output a stable power source with reduced interference and capable of effectively preventing external impact.
In some embodiments, as shown in fig. 4, the DC conversion module 6 includes an inverter unit 61, a transformer unit 62 and a rectifying and filtering unit 63, an input end of the inverter unit 61 is electrically connected to an output end of the PFC power correction module 4, an output end of the inverter unit 61 is electrically connected to an input end of the transformer unit 62, an output end of the transformer unit 62 is electrically connected to an input end of the rectifying and filtering unit 63, an output end of the rectifying and filtering unit 63 is capable of supplying power to the moxibustion head circuit 2, and an output end of the LLC resonant control module 5 is electrically connected to a control end of the inverter unit 61 to control the operation of the inverter unit 61.
The inverter unit 61 comprises a switch tube Q3 and a switch tube Q4, the switch tube Q3 and the switch tube Q4 are controlled by an LLC resonance control module, the transformer unit 62 is composed of a transformer T1, and then the alternating current output by the inverter unit 61 is transformed by the transformer unit 62 to boost the voltage, and then rectified and output by the rectifying and filtering unit 63 to provide a stable charging power supply.
As shown in fig. 3, in some embodiments, the PFC power correction module 4 includes a PFC power correction chip, a switching tube Q1, a switching tube Q2, an inductor L4, and other series elements;
as shown in fig. 5, in some embodiments, the LLC resonant control module 5 includes an LLC resonant control chip;
the sampling feedback module 7 comprises a photoelectric coupler OCT1, a controlled silicon VD1, a voltage division circuit formed by a resistor R42, a resistor R45 and a resistor R46 and the like, so that the output power of the DC conversion module 6 is fed back to the LLC resonance control chip;
the PFC power correction module 4 adjusts the waveform of current, compensates the phase difference between current and voltage, improves the utilization rate of electric energy, and simultaneously outputs the electric energy to the LLC resonance control module 5 and the DC conversion module 6, the LLC resonance control module 5 controls the DC conversion module 6 again, improves the efficiency of DC conversion, and ensures that the electric energy loss is reduced, so that the DC conversion module 6 can output a stable charging power supply.
In some embodiments, the PFC power correction module 4 and the LLC resonance control module 5 may be directly powered by the rectifying and filtering module 3;
furthermore, in order to ensure stable operation of the PFC power correction module 4 and the LLC resonant control module 5, the power conversion system further includes an auxiliary power supply module 8, where the auxiliary power supply module 8 is electrically connected to the output end of the rectifying and filtering module 3, the PFC power correction module 4, and the LLC resonant control module 5, respectively, to supply power to the PFC power correction module 4 and the LLC resonant control module 5;
in some embodiments, the auxiliary power supply module 8 may include a switching power supply control chip, a switching tube Q5, a transformer T2, and an auxiliary power supply feedback unit 81, where one end of a primary coil of the transformer T2 is electrically connected to an output end of the rectifying and filtering module 3, the other end of the primary coil of the transformer T2 is electrically connected to an input end of the switching tube Q5, an output end of the switching tube Q5 is grounded, the switching power supply control chip is electrically connected to a control end of the switching tube Q5 to control the operation of the switching tube Q5, a secondary coil of the transformer T2 supplies power to the PFC power correction module 4 and the LLC resonance control module 5, and meanwhile, the auxiliary power supply feedback unit 81 detects an output power of a secondary coil of the transformer T2 to form a closed-loop control;
the auxiliary power supply feedback unit 81 comprises a photoelectric coupler OTC2, a resistor R58, a resistor R60, a resistor R61, a resistor R59 and a controlled silicon VD 2;
one end of the resistor R58 is electrically connected with one end of the resistor R60 and one end of the secondary coil of the transformer T2 respectively;
the other end of the resistor R68 is electrically connected with one end of the resistor R69 and the anode of the light emitter of the photoelectric coupler OTC2 respectively;
the other end of the resistor R59 is electrically connected with the cathode of a light emitter of the photoelectric coupler OTC2 and the cathode of the controlled silicon VD2 respectively;
the other end of the resistor R60 is electrically connected with one end of the resistor R61 and the control electrode of the controllable silicon VD2 respectively;
the anode of the thyristor VD2 and the other end of the resistor R61 are both grounded;
the input pole of the light receiver of the photoelectric coupler OTC2 is electrically connected with the switching power supply control chip, and the output pole of the light receiver of the photoelectric coupler OTC2 is grounded, so that the voltage level of the auxiliary power supply is fed back to the switching power supply control chip, and the switching power supply control chip controls the operation of the switching tube Q5 to modulate the output of the auxiliary power supply.
In some embodiments, the moxibustion instrument further comprises a host machine 9, wherein a controller, a display screen connected with the controller, operation keys and the like are arranged on the host machine, the host machine can send wireless signals to control the moxibustion heads to operate, and each moxibustion head needs to operate by depending on control signals of the host machine, so that the stability of power supply of the host machine needs to be guaranteed during operation.
This design can directly utilize the electric energy of power conversion system output, and power conversion system output power supply is stabilized, not only can charge for the moxibustion head, can also ensure the power consumption of host computer, and overall structure is also simpler.
As shown in fig. 7, the host 9 may be provided with a host charging control module 91, a host charging switch module 92, a host energy storage module 93, and a full power turn-off module 94, where the host energy storage module 93 supplies power to each component of the host;
the input end of the host charging switch module 92 is electrically connected with the output end of the DC conversion module 6, the output end of the host charging switch module 92, the full-charge turn-off module 94 and the host energy storage module 93 form a charging loop, the host energy storage module 93 supplies power to the host, the host charging control module 91 is connected with the host energy storage module 93 to detect the electric quantity information of the host energy storage module 93, the host charging control module 91 is electrically connected with the control end of the host charging switch module 92 to control the operation of the host charging switch module 92, and the full-charge turn-off module 94 detects the electric quantity information of the host energy storage module 93 and is turned on or turned off according to the electric quantity information.
The host charging control module 91 may be a host switch driving chip, and may detect the charging current and the electric quantity of the host energy storage module through the resistor R67, the resistor R68, the resistor R69, the resistor R70 and the resistor R74, the host energy storage module 93 may be a battery or an energy storage capacitor, the host charging switch module 92 may be a switch tube Q6, the host switch driving chip is electrically connected to the control end of the switch tube Q6, the input end of the switch tube Q6 is electrically connected to the output end of the DC conversion module 6, and the output end of the switch tube Q6 is electrically connected to the positive electrode of the host energy storage module 93;
the full-power turn-off module 94 comprises a switching tube Q7, a switching tube Q8, a silicon controlled rectifier VD3, a resistor R72, a resistor R73, a resistor R75, a resistor R76, a resistor R77, a resistor R78 and a resistor R79;
the input end of the switching tube Q7 is electrically connected with the negative electrode of the host energy storage module 93 and one end of the resistor R73, respectively, and the output end of the switching tube Q7 is grounded;
the control end of the switching tube Q7 is electrically connected with the other end of the resistor R73 and one end of the resistor R72 respectively;
the other end of the resistor R72 is electrically connected with the output end of the switch tube Q8;
the input end of the switching tube Q8 is electrically connected to one end of the resistor R75, and the other end of the resistor R75 is electrically connected to one end of the resistor R76, one end of the resistor R78, and the anode of the host energy storage module 93, respectively;
the other end of the resistor R76 is respectively electrically connected with one end of the resistor R77 and the control end of the switching tube Q8;
the other end of the resistor R77 is electrically connected with the cathode of the controllable silicon VD 3;
the control electrode of the controllable silicon VD3 is respectively and electrically connected with the other end of the resistor R78 and one end of the resistor R79;
the anode of the thyristor VD3 and the other end of the resistor R79 are both grounded.
When the host energy storage module 93 is insufficient in electric quantity, the switch tube Q7 is switched on, the host energy storage module 93 is normally charged, and when the host energy storage module 93 is full of electric quantity, the switch tube Q7 is triggered to be switched off by the thyristor VD3 and the switch tube Q8, so that the charging is stopped.
In some embodiments, as shown in fig. 8, the energy storage system further includes a voltage conversion module 95, an input end of the voltage conversion module 95 is electrically connected to the host energy storage module 93 and an output end of the DC conversion module 6, respectively, and an output end of the voltage conversion module 95 is connected to the host.
The voltage conversion module 95 includes a transformer chip, and in some embodiments, can convert a voltage within 5V-24V, and output a voltage of 3.3V or 5V to power the host, and an input terminal of the voltage conversion module 95 is electrically connected to the host energy storage module 93 and an output terminal of the DC conversion module 6, respectively, so that when the external power source is connected to the rectifying and filtering module 3, the host 9 is powered by the external power source, and simultaneously charges the host energy storage module 93, and after the external power source is cut off, the host energy storage module 93 is switched to supply power to the host without delay.
The utility model discloses a concrete embodiment still discloses an equipment is treated in moxibustion, including the platform that charges, a plurality of moxibustion head and the charging circuit who uses the first many moxibustion that any above-mentioned embodiment disclosed, power conversion system 1 sets up at the bench that charges, and moxibustion head circuit 2 sets up at the moxibustion overhead, and the platform that charges can charge for each moxibustion head, and the host computer also sets up at the bench that charges, and the user can control the moxibustion head through the host computer.
The power conversion system is arranged on the charging table, is connected with an external power supply and converts the external power supply, and the moxibustion heads can be arranged on the charging table to be charged simultaneously and are stable and efficient in charging.
It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (10)
1. A charging circuit of many moxibustion heads which characterized in that includes:
the power conversion system can be electrically connected with an external power supply and converts the external power supply into power supply; the moxibustion head circuits can be connected in parallel to the output end of the power supply conversion system;
the moxibustion head circuit comprises a moxibustion head charging control module, a moxibustion head charging switch module, a moxibustion head energy storage module and a moxibustion head energy storage electric quantity detection module;
the input of the moxibustion head charging switch module can with power conversion system's output electric connection, the output of the moxibustion head charging switch module does the moxibustion head energy storage module charges, moxibustion head energy storage electric quantity detection module with moxibustion head energy storage module connects in order to detect the electric quantity information of moxibustion head energy storage module, moxibustion head charging control module respectively with moxibustion head energy storage electric quantity detection module the control end electric connection of moxibustion head charging switch module is in order to basis the electric quantity information output PWM signal control of moxibustion head energy storage module the operation of moxibustion head charging switch module.
2. The charging circuit for a multi-moxibustion head of claim 1, wherein: the moxibustion head charging control module can output a plurality of groups of PWM signals to control the moxibustion head charging switch module to output a plurality of groups of charging currents with different levels.
3. The charging circuit for a multi-moxibustion head of claim 1, wherein: the moxibustion head circuit further comprises a temperature detection module, the temperature detection module is used for detecting temperature information of the moxibustion head energy storage module, and the moxibustion head charging control module is electrically connected with the temperature detection module.
4. The charging circuit for a multi-moxibustion head of claim 1, wherein: the power conversion system comprises a rectification filtering module, a PFC power correction module, an LLC resonance control module, a DC conversion module and a sampling feedback module;
the input end of the rectification filter module can be electrically connected with an external alternating current power supply, the output end of the rectification filter module is electrically connected with the input end of the PFC power correction module, the output end of the PFC power correction module is respectively electrically connected with the input end of the LLC resonance control module and the input end of the DC conversion module, the output end of the DC conversion module can supply power for a moxibustion head circuit, the input end of the sampling feedback module is electrically connected with the DC conversion module, the output end of the sampling feedback module is electrically connected with the feedback end of the LLC resonance control module, and the output end of the LLC resonance control module is electrically connected with the control end of the DC conversion module to control the operation of the DC conversion module.
5. The charging circuit for a multi-moxibustion head of claim 4, wherein: the power conversion system further comprises an auxiliary power supply module, and the auxiliary power supply module is electrically connected with the output end of the rectification filtering module, the PFC power correction module and the LLC resonance control module respectively to supply power to the PFC power correction module and the LLC resonance control module.
6. The charging circuit for a multi-moxibustion head of claim 4, wherein: the system also comprises a host charging control module, a host charging switch module, a host energy storage module and a full power turn-off module;
the input of host computer charge switch module with the output electric connection of DC transform module, the output of host computer charge switch module with full electricity turn-off module and host computer energy storage module constitutes the charging circuit, and host computer energy storage module is the host computer power supply, host computer charge control module with host computer energy storage module connects the electric quantity information in order to detect host computer energy storage module, host computer charge control module with host computer charge switch module's control end electric connection is in order to control the operation of host computer charge switch module, full electricity turn-off module detects the electric quantity information of host computer energy storage module and closes or turn-off according to the electric quantity information.
7. The charging circuit for a multi-moxibustion head of claim 6, wherein: the full-power turn-off module comprises a switching tube Q7, a switching tube Q8, a silicon controlled rectifier VD3, a resistor R72, a resistor R73, a resistor R75, a resistor R76, a resistor R77, a resistor R78 and a resistor R79;
the input end of the switching tube Q7 is respectively electrically connected with the negative electrode of the host energy storage module and one end of the resistor R73, and the output end of the switching tube Q7 is grounded;
the control end of the switching tube Q7 is electrically connected with the other end of the resistor R73 and one end of the resistor R72 respectively;
the other end of the resistor R72 is electrically connected with the output end of the switch tube Q8;
the input end of the switching tube Q8 is electrically connected to one end of the resistor R75, and the other end of the resistor R75 is electrically connected to one end of the resistor R76, one end of the resistor R78 and the anode of the host energy storage module, respectively;
the other end of the resistor R76 is respectively electrically connected with one end of the resistor R77 and the control end of the switching tube Q8;
the other end of the resistor R77 is electrically connected with the cathode of the controllable silicon VD 3;
the control electrode of the controllable silicon VD3 is respectively and electrically connected with the other end of the resistor R78 and one end of the resistor R79;
the anode of the thyristor VD3 and the other end of the resistor R79 are both grounded.
8. The charging circuit for a multi-moxibustion head of claim 6, wherein: the DC conversion module is characterized by further comprising a voltage conversion module, wherein the input end of the voltage conversion module is electrically connected with the host energy storage module and the output end of the DC conversion module respectively, and the output end of the voltage conversion module is connected with the host.
9. The charging circuit for a multi-moxibustion head of claim 4, wherein: the DC conversion module comprises an inversion unit, a transformer unit and a rectification filter unit, wherein the input end of the inversion unit is electrically connected with the output end of the PFC power correction module, the output end of the inversion unit is electrically connected with the input end of the transformer unit, the output end of the transformer unit is electrically connected with the input end of the rectification filter unit, the output end of the rectification filter unit can supply power for the moxibustion head circuit, and the output end of the LLC resonance control module is electrically connected with the control end of the inversion unit to control the operation of the inversion unit.
10. A moxibustion device is characterized in that: the moxibustion instrument comprises a charging table, a plurality of moxibustion heads and a charging circuit applying the multiple moxibustion heads as claimed in any one of claims 1 to 9, wherein a power supply conversion system is arranged on the charging table, a moxibustion head circuit is arranged on the moxibustion heads, and the charging table can charge the moxibustion heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739408.5U CN210898563U (en) | 2019-10-16 | 2019-10-16 | Charging circuit of many moxibustion heads and use its moxibustion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921739408.5U CN210898563U (en) | 2019-10-16 | 2019-10-16 | Charging circuit of many moxibustion heads and use its moxibustion instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210898563U true CN210898563U (en) | 2020-06-30 |
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| CN201921739408.5U Active CN210898563U (en) | 2019-10-16 | 2019-10-16 | Charging circuit of many moxibustion heads and use its moxibustion instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898563U (en) |
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2019
- 2019-10-16 CN CN201921739408.5U patent/CN210898563U/en active Active
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Address after: 528400 zone 1, floor 3, building 3, daisil Science Park, No. 16, Heqing Road, Cuiheng New District, Zhongshan City, Guangdong Province Patentee after: Zhongshan Meridian Intelligent Medical Technology Co.,Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong Province, 25 Gangyi Road, 25 Zhongshan Creative Port B Building 2501-6 Patentee before: Zhongshan Meridian Intelligent Medical Technology Co.,Ltd. |