CN214954937U - Partial pressure drive circuit, infrared touch signal drive circuit and infrared touch screen - Google Patents
Partial pressure drive circuit, infrared touch signal drive circuit and infrared touch screen Download PDFInfo
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- CN214954937U CN214954937U CN202120322888.6U CN202120322888U CN214954937U CN 214954937 U CN214954937 U CN 214954937U CN 202120322888 U CN202120322888 U CN 202120322888U CN 214954937 U CN214954937 U CN 214954937U
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Abstract
The utility model provides a divide voltage drive circuit, infrared touch signal drive circuit and infrared touch screen. The voltage division driving circuit includes: the voltage divider comprises a control module, a voltage dividing network module, a voltage stabilizing power supply and a voltage processing module; the control module comprises at least 2 control signal output ends; the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the voltage-stabilized power supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded; the input end of the voltage processing module is connected with the voltage-stabilized power supply through the first voltage division circuit. The utility model discloses can be through each controllable switch bleeder circuit's of control signal control of control module output the condition of switching on to change the signal of telecommunication parameter of output, and can reduce manufacturing cost.
Description
Technical Field
The utility model relates to an electric signal control technical field, concretely relates to divide voltage drive circuit, infrared touch signal drive circuit and infrared touch screen.
Background
In the existing control circuit, a single chip Microcomputer (MCU) is mostly used for controlling, an analog voltage signal is output through a D/a port of the MCU, or a digital signal output by the MCU is converted into an analog voltage signal through a D/a conversion chip (digital-to-analog conversion chip), and the analog voltage signal is used to realize a control effect on a certain object, wherein the object to be controlled includes a light display module of the type of LED. However, the disadvantage is that the construction of such a control circuit is too costly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a divide voltage drive circuit, infrared touch signal drive circuit and infrared touch screen, need not to export the voltage signal of a plurality of different magnitude of voltage through DA conversion chip.
An embodiment of the utility model provides a partial pressure drive circuit, include: the voltage divider comprises a control module, a voltage dividing network module, a voltage stabilizing power supply and a voltage processing module;
the control module comprises at least 2 control signal output ends;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage power supply through the first voltage division circuit.
Compared with the prior art, the utility model discloses a partial pressure drive circuit can pass through the control signal control of control module output each controllable switch bleeder circuit's the condition of switching on, thereby change the output voltage of first bleeder circuit makes the voltage signal that a plurality of different voltage values can be obtained to voltage processing module's input to can reduce manufacturing cost.
Further, the controllable switch voltage division circuit comprises a control switch and a second voltage division circuit, a control end of the control switch is connected with a control signal output end of the control module, an input end of the control switch is connected with the stabilized voltage power supply through the first voltage division circuit, and an output end of the control switch is grounded; the second voltage division circuit is connected in series with an input end of the control switch or an output end of the control switch. And the control switch is used for receiving the control signal output by the control module, so that the control switch is used for controlling the on and off states of the second voltage division circuit and the first voltage division circuit, and the first voltage division circuit is enabled to output a corresponding voltage signal.
Further, the control switch comprises an MOS transistor, a control end of the MOS transistor is connected with a control signal output end of the control module, an input end of the MOS transistor is connected with the regulated power supply through the first voltage division circuit, and an output end of the MOS transistor is grounded; and the second voltage division circuit is connected with the input end of the MOS tube or the output end of the MOS tube in series. The MOS tube enables the circuit to realize the functions of connection and disconnection.
Further, the control switch comprises a triode, the control end of the triode is connected with the control signal output end of the control module, the input end of the triode is connected with the voltage-stabilized power supply through the first voltage-dividing circuit, and the output end of the triode is grounded; the second voltage division circuit is connected in series with the input end of the triode or the output end of the triode. The three-level tube enables the circuit to realize the functions of connection and disconnection.
Further, the control switch comprises a switch chip, a control end of the switch chip is connected with a control signal output end of the control module, an input end of the switch chip is connected with the stabilized voltage power supply through the first voltage division circuit, and an output end of the switch chip is grounded; the second voltage division circuit is connected in series with the input end of the switch chip or the output end of the switch chip. The switch chip enables the circuit to be switched on and off.
Further, the voltage processing module comprises a voltage driving enhancement module, and an input end of the voltage driving enhancement module is connected with the first voltage division circuit. And the voltage driving enhancement module is used for increasing the voltage of the voltage signal output by the first voltage division circuit.
Further, the voltage processing module further includes a voltage-current conversion module, and an input end of the voltage-current conversion module is connected to the first voltage division circuit via the voltage drive enhancement module. And converting the voltage signal into a current signal by the voltage-current conversion module.
Further, the first voltage dividing circuit includes a first resistor; the input end of each controllable switch voltage division circuit is connected with the stabilized voltage power supply through the first resistor; the input end of the voltage processing module is connected with the stabilized voltage power supply through the first resistor. And the voltage division effect is realized through the first resistor.
Further, the second voltage division circuit includes a second resistor; the second resistor is connected in series with the input end of the control switch or the output end of the control switch. And the voltage division effect is realized through the second resistor.
An embodiment of the utility model also provides an infrared touch signal drive circuit, include: the device comprises an infrared touch signal detection module, a control module, a voltage division network module, a voltage-stabilized power supply, a voltage processing module and a display module;
the control module comprises a touch signal input end and at least 2 control signal output ends, and the touch signal input end of the control module is connected with the touch signal output end of the infrared touch signal detection module;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage supply through the first voltage division circuit;
and the input end of the display module is connected with the output end of the voltage processing module.
Compared with the prior art, the utility model discloses an infrared touch signal drive circuit can pass through the control signal control of control module output each controllable switch bleeder circuit's the condition of switching on, thereby change the output voltage of first bleeder circuit makes the voltage processing module's input can obtain the voltage signal of a plurality of different voltage values, thereby makes display module's input can acquire different signals of telecommunication to realize control display module's picture display's effect, and can reduce manufacturing cost.
An embodiment of the utility model also provides an infrared touch-sensitive screen, include: the device comprises a display screen, an outer frame, an infrared touch signal detection module, a control module, a voltage division network module, a voltage-stabilized power supply, a voltage processing module and a display module;
the outer frame is sleeved on the display screen, and the infrared touch signal detection module is arranged on the outer frame; the control module, the voltage division network module, the voltage-stabilized power supply, the voltage processing module and the display module are arranged in the display screen;
the control module comprises a touch signal input end and at least 2 control signal output ends, and the touch signal input end of the control module is connected with the touch signal output end of the infrared touch signal detection module;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage supply through the first voltage division circuit;
and the input end of the display module is connected with the output end of the voltage processing module.
Compared with the prior art, the utility model discloses an infrared touch-sensitive screen can pass through the control signal control of control module output each controllable switch bleeder circuit's the condition of switching on, thereby change the output voltage of first bleeder circuit makes the voltage processing module's input can obtain the voltage signal of a plurality of different magnitude of voltage, thereby makes display module's input can acquire different signals of telecommunication, in order to realize control display module picture display's on the display screen effect to can reduce manufacturing cost.
In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
Fig. 1 is a circuit diagram of a voltage division driving circuit according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a controllable switch voltage dividing circuit of the voltage dividing driving circuit according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a voltage processing module of the voltage division driving circuit according to an embodiment of the present invention.
Fig. 4 is a circuit diagram illustrating a connection between the first resistor and the second resistor of the voltage-dividing driving circuit according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of an infrared touch signal driving circuit according to an embodiment of the present invention.
Fig. 6 is a structural diagram of an infrared touch screen according to an embodiment of the present invention.
1. A control module; 3. a voltage divider network module; 301. a first voltage dividing circuit; 303. a controllable switching voltage divider circuit; 3031. a control switch; 3033. a second voltage dividing circuit; 5. a voltage processing module; 501. a voltage drive enhancement module; 503. a voltage-current conversion module; 7. an infrared touch signal detection module; 9. a display module; 11. a display screen; 13. an outer frame; vcc, regulated power supply.
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 work belong to the protection scope of the present invention.
Please refer to fig. 1, which is a circuit diagram of a voltage division driving circuit according to an embodiment of the present invention, including: the device comprises a control module 1, a voltage division network module 3, a voltage stabilizing power supply Vcc and a voltage processing module 5;
the control module 1 comprises at least 2 control signal output ends;
the voltage dividing network module 3 comprises a first voltage dividing circuit 301 and at least 2 controllable switch voltage dividing circuits 303; the controllable switch voltage dividing circuit 303 comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage dividing circuit 303 is correspondingly connected with each control signal output end of the control module 1, and the input end of each controllable switch voltage dividing circuit 303 is connected with the regulated power supply Vcc through the first voltage dividing circuit 301; the output end of the controllable switch voltage division circuit 303 is grounded;
the input terminal of the voltage processing module 5 is connected to the regulated power supply Vcc via the first voltage divider circuit 301.
In this embodiment, since the regulated power supply Vcc is grounded via the first voltage dividing circuit 301 and the conductive controllable switch voltage dividing circuit 303, the voltage value of the output terminal of the first voltage dividing circuit 301 is affected by the overall parameters for turning on the controllable switch voltage dividing circuit 303, and whether the controllable switch voltage dividing circuit 303 is turned on and the number of turned-on controllable switch voltage dividing circuits 303 is determined by the control signal output by the control module 1, so that the number of the conductive controllable switch voltage dividing circuits 303 is changed by the control signal output by the control module 1, thereby changing the value of the voltage signal at the output terminal of the first voltage dividing circuit 301, making the input terminal of the voltage processing module 5 obtain voltage signals with a plurality of different voltage values, and reducing the manufacturing cost.
Referring to fig. 2, in a possible embodiment, the controllable switch voltage dividing circuit 303 includes a control switch 3031 and a second voltage dividing circuit 3033, a control terminal of the control switch 3031 is connected to a control signal output terminal of the control module 1, an input terminal of the control switch 3031 is connected to the regulated power supply Vcc via the first voltage dividing circuit 301, and an output terminal of the control switch 3031 is grounded; the second voltage division circuit 3033 is connected in series with an input terminal of the control switch 3031 or an output terminal of the control switch 3031.
In this embodiment, when the control switch 3031 is turned on, the corresponding second voltage dividing circuit 3033 is turned on in series with the first voltage dividing circuit 301; when the control switch 3031 is turned off, the corresponding second voltage dividing circuit 3033 is disconnected from the first voltage dividing circuit 301. The control switch 3031 receives the control signal output by the control module 1, so that the control switch 3031 controls the on and off states of the second voltage dividing circuit 3033 and the first voltage dividing circuit 301, and the first voltage dividing circuit 301 outputs a corresponding voltage signal.
In a possible embodiment, the control switch 3031 includes a MOS transistor, a control terminal of the MOS transistor is connected to the control signal output terminal of the control module 1, an input terminal of the MOS transistor is connected to the regulated power supply Vcc via the first voltage dividing circuit 301, and an output terminal of the MOS transistor is grounded; the second voltage division circuit 3033 is connected in series with the input end of the MOS transistor or the output end of the MOS transistor.
The MOS tube can be an NMOS tube or a PMOS tube.
If the MOS tube is an NMOS tube, the grid electrode of the NMOS tube is connected with the control signal output end of the control module 1, the drain electrode of the NMOS tube is connected with the voltage stabilizing power supply Vcc through the first resistor, and the source electrode of the NMOS tube is grounded; the second resistor is connected with the source electrode or the drain electrode of the NMOS tube in series.
If the MOS tube is a PMOS tube, the grid electrode of the PMOS tube is connected with the control signal output end of the control module 1; the source electrode of the PMOS tube is connected with the voltage-stabilized power supply Vcc through the first resistor, and the drain electrode of the PMOS tube is grounded; the second resistor is connected with the source electrode or the drain electrode of the PMOS tube in series.
In this embodiment, when the MOS transistor is turned on, the corresponding second voltage dividing circuit 3033 is connected in series with the first voltage dividing circuit 301; when the MOS transistor is disconnected, the corresponding second voltage division circuit 3033 is disconnected from the first voltage division circuit 301.
In a possible embodiment, the control switch 3031 includes a transistor, a control terminal of the transistor is connected to the control signal output terminal of the control module 1, an input terminal of the transistor is connected to the regulated power supply Vcc via the first voltage divider circuit 301, and an output terminal of the transistor is grounded; the second voltage division circuit 3033 is connected in series with the input end of the triode or the output end of the triode.
The triode can be an NPN type triode or a PNP type triode;
if the triode is an NPN triode, the base electrode of the NPN triode is connected with the control signal output end of the control module 1, the collector electrode of the NPN triode is connected with the voltage-stabilized power supply Vcc through the first resistor, and the emitter electrode of the triode is grounded; the second resistor is connected in series with a collector or an emitter of the triode.
If the triode is a PNP triode, the base electrode of the PNP triode is connected with the control signal output end of the control module 1, the emitting electrode of the PNP triode is connected with the voltage-stabilized power supply Vcc through the first resistor, and the collector electrode of the triode is grounded; the second resistor is connected in series with the collector or emitter of the triode.
In this embodiment, when the transistor is turned on, the corresponding second voltage dividing circuit 3033 is connected in series with the first voltage dividing circuit 301; when the triode is disconnected, the corresponding second voltage division circuit 3033 is disconnected with the first voltage division circuit 301.
In a possible embodiment, the control switch 3031 includes a switch chip, a control terminal of the switch chip is connected to the control signal output terminal of the control module, an input terminal of the switch chip is connected to the regulated power supply via the first voltage dividing circuit, and an output terminal of the switch chip is grounded; the second voltage division circuit is connected in series with the input end of the switch chip or the output end of the switch chip.
In this embodiment, when the transistor is turned on, the corresponding second voltage dividing circuit 3033 is connected in series with the first voltage dividing circuit 301; when the triode is disconnected, the corresponding second voltage division circuit 3033 is disconnected with the first voltage division circuit 301.
Referring to fig. 3, in a possible embodiment, the voltage processing module 5 includes a voltage driving enhancement module 501, and an input terminal of the voltage driving enhancement module 501 is connected to the first voltage dividing circuit 301. The voltage drive enhancement module 501 can reduce the parameter requirement of the regulated power supply Vcc and increase the voltage of the voltage signal output by the first voltage division circuit 301.
Preferably, the voltage processing module 5 further includes a voltage-current conversion module 503, and an input terminal of the voltage-current conversion module 503 is connected to the first voltage-dividing circuit 301 via the voltage-drive enhancing module 501. And converting the voltage signal into a current signal by the voltage-current conversion module.
In one possible embodiment, the first voltage divider circuit 301 includes a first resistor; the input end of each controllable switch voltage division circuit 303 is connected with the regulated power supply Vcc through the first resistor; the input end of the voltage processing module 5 is connected with the regulated power supply Vcc via the first resistor.
And the voltage division effect is realized through the first resistor.
Preferably, the second voltage dividing circuit 3033 includes a second resistor; the second resistor is connected in series with the input terminal of the control switch 3031 or the output terminal of the control switch 3031.
The resistance values of the second resistors of different voltage division circuits can be different, and voltage division effect is achieved through the second resistors.
Referring to fig. 4, for example, the first resistor is R1, the second resistor includes R21, R22 and R23, and the control switch 3031 includes S21, S22 and S23 corresponding to R21, R22 and R23.
When only S21 is turned on, the output voltage value of the first voltage dividing circuit 301 is: V1-Vcc R1/(R1+ R21);
when only S22 is turned on, the output voltage value of the first voltage dividing circuit 301 is: V1-Vcc R1/(R1+ R22);
when only S23 is turned on, the output voltage value of the first voltage dividing circuit 301 is: V1-Vcc R1/(R1+ R23);
when only S23 is turned off, the output voltage value of the first voltage dividing circuit 301 is:
v1 ═ Vcc R1/(R1+ R21 ═ R22/(R21+ R22)); where V1 represents the value of the output voltage of the first voltage dividing circuit 301.
Referring to fig. 5, an embodiment of the present invention further provides an infrared touch signal driving circuit, including: the touch control system comprises an infrared touch signal detection module 7, a control module 1, a voltage division network module 3, a voltage stabilizing power supply Vcc, a voltage processing module 5 and a display module;
the control module 1 comprises a touch signal input end and at least 2 control signal output ends, and the touch signal input end of the control module 1 is connected with the touch signal output end of the infrared touch signal detection module 7;
the voltage dividing network module 3 comprises a first voltage dividing circuit 301 and at least 2 controllable switch voltage dividing circuits 303; the controllable switch voltage dividing circuit 303 comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage dividing circuit 303 is correspondingly connected with each control signal output end of the control module 1, and the input end of each controllable switch voltage dividing circuit 303 is connected with the regulated power supply Vcc through the first voltage dividing circuit 301; the output end of the controllable switch voltage division circuit 303 is grounded;
the input end of the voltage processing module 5 is connected with the regulated power supply Vcc via the first voltage division circuit 301;
the input end of the display module is connected with the output end of the voltage processing module 5.
In this embodiment, since the regulated power supply Vcc is grounded via the first voltage dividing circuit 301 and the turned-on controllable switch voltage dividing circuit 303, the voltage value of the output end of the first voltage dividing circuit 301 is affected by the overall parameters for turning on the controllable switch voltage dividing circuit 303, and whether the controllable switch voltage dividing circuit 303 is turned on and the number of turned-on controllable switch voltage dividing circuits 303 is determined by the control signal output by the control module 1, so that the number of turned-on controllable switch voltage dividing circuits 303 is changed by the control signal output by the control module 1, the value of the electrical signal at the output end of the first voltage dividing circuit 301 is changed, and the voltage processing module 5 outputs electrical signals with different parameters to the display module, thereby controlling the parameters of the display module, such as the brightness and the color of the light; preferably, the display module is an LED module.
Compared with the prior art, the utility model discloses an infrared touch signal drive circuit can pass through the control signal control of control module 1 output each controllable switch bleeder circuit 303's the condition of switching on to change first bleeder circuit 301's output voltage makes voltage processing module 5's input can obtain the voltage signal of a plurality of different voltage value, thereby makes display module's input can acquire different signals of telecommunication, with the effect of realizing control display module's picture display to can reduce manufacturing cost.
Referring to fig. 6, an embodiment of the present invention further provides an infrared touch screen, including: the device comprises a display screen 11, an outer frame, an infrared touch signal detection module 7, a control module, a voltage division network module, a voltage-stabilized power supply, a voltage processing module and a display module 9;
the outer frame is sleeved on the display screen 11, and the infrared touch signal detection module 7 is arranged on the outer frame; the control module, the voltage division network module, the voltage-stabilized power supply, the voltage processing module and the display module 9 are arranged inside the display screen 11;
the control module comprises a touch signal input end and at least 2 control signal output ends, and the touch signal input end of the control module is connected with the touch signal output end of the infrared touch signal detection module 7;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage supply through the first voltage division circuit;
the input end of the display module 9 is connected with the output end of the voltage processing module.
In this embodiment, since the regulated power supply is grounded via the first voltage dividing circuit and the turned-on controllable switch voltage dividing circuit, the voltage value of the output end of the first voltage dividing circuit is affected by the overall parameters of the turned-on controllable switch voltage dividing circuit, and the turning-on number and whether the turned-on controllable switch voltage dividing circuit is turned on are determined by the control signal output by the control module, so that the number of the turned-on controllable switch voltage dividing circuits is changed by the control signal output by the control module, thereby changing the value of the electrical signal at the output end of the first voltage dividing circuit, and enabling the voltage processing module to output electrical signals with different parameters to the display module 9, thereby controlling the parameters of the display module 9, such as the brightness and the color of the lamp light; preferably, the display module 9 is an LED module.
Compared with the prior art, the utility model discloses an infrared touch-sensitive screen can pass through the control signal control of control module output each controllable switch bleeder circuit's the condition of switching on, thereby change the output voltage of first bleeder circuit makes the voltage processing module's input can obtain the voltage signal of a plurality of different magnitude of voltage, thereby makes display module 9's input can acquire different signals of telecommunication, in order to realize control display module 9 picture display's on the display screen 11 effect to can reduce manufacturing cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. A voltage division driving circuit, comprising: the voltage divider comprises a control module, a voltage dividing network module, a voltage stabilizing power supply and a voltage processing module;
the control module comprises at least 2 control signal output ends;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage power supply through the first voltage division circuit.
2. The voltage-dividing driving circuit according to claim 1, wherein: the controllable switch voltage division circuit comprises a control switch and a second voltage division circuit, the control end of the control switch is connected with the control signal output end of the control module, the input end of the control switch is connected with the voltage-stabilized power supply through the first voltage division circuit, and the output end of the control switch is grounded; the second voltage division circuit is connected in series with an input end of the control switch or an output end of the control switch.
3. The voltage-dividing driving circuit according to claim 2, wherein: the control switch comprises an MOS (metal oxide semiconductor) tube, the control end of the MOS tube is connected with the control signal output end of the control module, the input end of the MOS tube is connected with the voltage-stabilized power supply through the first voltage-dividing circuit, and the output end of the MOS tube is grounded; and the second voltage division circuit is connected with the input end of the MOS tube or the output end of the MOS tube in series.
4. The voltage-dividing driving circuit according to claim 2, wherein: the control switch comprises a triode, the control end of the triode is connected with the control signal output end of the control module, the input end of the triode is connected with the stabilized voltage power supply through the first voltage division circuit, and the output end of the triode is grounded; the second voltage division circuit is connected in series with the input end of the triode or the output end of the triode.
5. The voltage-dividing driving circuit according to claim 2, wherein: the control switch comprises a switch chip, the control end of the switch chip is connected with the control signal output end of the control module, the input end of the switch chip is connected with the stabilized voltage power supply through the first voltage division circuit, and the output end of the switch chip is grounded; the second voltage division circuit is connected in series with the input end of the switch chip or the output end of the switch chip.
6. The voltage-dividing driving circuit according to claim 1, wherein: the voltage processing module comprises a voltage driving enhancement module, and the input end of the voltage driving enhancement module is connected with the first voltage division circuit.
7. The voltage-dividing driving circuit according to claim 6, wherein: the voltage processing module further comprises a voltage-current conversion module, and an input end of the voltage-current conversion module is connected with the first voltage division circuit through the voltage drive enhancement module.
8. A voltage division driving circuit according to any one of claims 1 to 7, wherein: the first voltage division circuit comprises a first resistor; the input end of each controllable switch voltage division circuit is connected with the stabilized voltage power supply through the first resistor; the input end of the voltage processing module is connected with the stabilized voltage power supply through the first resistor.
9. The voltage-dividing driving circuit according to claim 2, wherein: the second voltage division circuit comprises a second resistor; the second resistor is connected in series with the input end of the control switch or the output end of the control switch.
10. An infrared touch signal driving circuit, comprising: the device comprises an infrared touch signal detection module, a control module, a voltage division network module, a voltage-stabilized power supply, a voltage processing module and a display module;
the control module comprises a touch signal input end and at least 2 control signal output ends, and the touch signal input end of the control module is connected with the touch signal output end of the infrared touch signal detection module;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage supply through the first voltage division circuit;
and the input end of the display module is connected with the output end of the voltage processing module.
11. An infrared touch screen, comprising: the device comprises a display screen, an outer frame, an infrared touch signal detection module, a control module, a voltage division network module, a voltage-stabilized power supply, a voltage processing module and a display module;
the outer frame is sleeved on the display screen, and the infrared touch signal detection module is arranged on the outer frame; the control module, the voltage division network module, the voltage-stabilized power supply, the voltage processing module and the display module are arranged in the display screen;
the control module comprises a touch signal input end and at least 2 control signal output ends, and the touch signal input end of the control module is connected with the touch signal output end of the infrared touch signal detection module;
the voltage division network module comprises a first voltage division circuit and at least 2 controllable switch voltage division circuits; the controllable switch voltage division circuit comprises a switch control end, an input end and an output end, the switch control end of each controllable switch voltage division circuit is correspondingly connected with each control signal output end of the control module, and the input end of each controllable switch voltage division circuit is connected with the stabilized voltage supply through the first voltage division circuit; the output end of the controllable switch voltage division circuit is grounded;
the input end of the voltage processing module is connected with the stabilized voltage supply through the first voltage division circuit;
and the input end of the display module is connected with the output end of the voltage processing module.
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| CN202120322888.6U CN214954937U (en) | 2021-02-03 | 2021-02-03 | Partial pressure drive circuit, infrared touch signal drive circuit and infrared touch screen |
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| CN202120322888.6U CN214954937U (en) | 2021-02-03 | 2021-02-03 | Partial pressure drive circuit, infrared touch signal drive circuit and infrared touch screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024041509A1 (en) * | 2022-08-26 | 2024-02-29 | 广州众远智慧科技有限公司 | Signal strength adjustment circuit, infrared touch-control apparatus and electronic device |
-
2021
- 2021-02-03 CN CN202120322888.6U patent/CN214954937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024041509A1 (en) * | 2022-08-26 | 2024-02-29 | 广州众远智慧科技有限公司 | Signal strength adjustment circuit, infrared touch-control apparatus and electronic device |
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