Identification circuit and electronic equipment

Abstract

The utility model provides an identification circuit and an electronic device, and the identification circuit comprises a light detection circuit which is used for receiving a light intensity signal corresponding to a light source signal and outputting a voltage signal corresponding to the light intensity signal; and one end of the color identification circuit is connected with the other end of the light detection circuit, and the color identification circuit is used for receiving the voltage signal and outputting a color identification result. According to the utility model, the color of the electronic equipment shell can be automatically detected, the color detection efficiency and quality of the electronic equipment shell are improved, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment technical field especially is related to a kind of identification circuit and electronic equipment. BACKGROUND

[0002] In the related art, in order to detect the color of the electronic device shell and output the corresponding current size, the color information of the electronic device shell is written into the electronic device by manual process, and then matched with the color ID (Identity document) of the driving layer in the electronic device. After matching, the current control circuit outputs the corresponding current size.

[0003] However, the above-mentioned manual process will result in low efficiency and quality of electronic device shell color detection, high cost, and inconvenience in version control. UTILITY MODEL CONTENT

[0004] The utility model aims at at least one of the technical problems existing in the prior art.

[0005] Therefore, one purpose of the utility model is to provide an identification circuit, which reduces the intervention of manual process, saves cost and improves the efficiency and quality of electronic device shell color detection.

[0006] Therefore, a second purpose of the utility model is to provide an electronic device.

[0007] To achieve the above purpose, an identification circuit according to an embodiment of the first aspect of the utility model comprises: a light detection circuit for receiving a light intensity signal corresponding to a light source signal and outputting a voltage signal corresponding to the light intensity signal; a color recognition circuit connected to the other end of the light detection circuit, for receiving the voltage signal and outputting a color recognition result.

[0008] According to the identification circuit of the utility model embodiment, the light detection circuit is set to receive the light intensity signal reflected from the electronic device shell by the light source signal, and output the voltage signal corresponding to the light intensity signal. Then, the color recognition circuit in the identification circuit receives the voltage signal and outputs the color recognition result. This process does not require the intervention of manual process, realizes automatic identification of shell color, saves cost, improves the efficiency and quality of electronic device shell color detection, and facilitates version control.

[0009] In some embodiments, the light detection circuit comprises: a light emitting sub-circuit, one end of the light emitting sub-circuit is connected to the first power supply end, and the other end of the light emitting sub-circuit is grounded, for emitting the light source signal; and a light receiving sub-circuit, one end of the light receiving sub-circuit is connected to one end of the light emitting sub-circuit, and the other end of the light receiving sub-circuit is grounded, for receiving the light intensity signal and outputting the voltage signal.

[0010] In some embodiments, the light emitting sub-circuit comprises: a first resistor, one end of the first resistor is connected to the first power supply; and a light emitting diode, an anode of the light emitting diode is connected to the other end of the first resistor, and the other end of the light emitting diode is grounded, for emitting the light source signal.

[0011] In some embodiments, the light receiving sub-circuit comprises: a second resistor, one end of the second resistor is connected to the first power supply; and a first MOS (Metal-Oxide-Semiconductor Field-Effect Transistor) tube, a collector of the first MOS tube is connected to the other end of the second resistor, and an emitter of the first MOS tube is grounded, for outputting the voltage signal.

[0012] In some embodiments, the identification circuit further comprises: a power supply circuit, a first end of the power supply circuit is connected to a second power supply end, and a second end of the power supply circuit is grounded, for providing a power supply.

[0013] In some embodiments, the identification circuit further comprises: a switch circuit, a first end of the switch circuit is connected to a fourth end of the power supply circuit, a second end of the switch circuit is connected to a third end of the power supply circuit, and a third end of the switch circuit is connected to the first power supply end, for turning on when the detection trigger signal is received.

[0014] In some embodiments, the switch circuit comprises: a second MOS tube, a drain of the second MOS tube is connected to the first end of the light detection circuit, for turning on when the switch trigger signal is received.

[0015] In some embodiments, the identification circuit further comprises: a processor, one end of the processor is connected to the other end of the color identification circuit, for receiving the color identification result.

[0016] In some embodiments, the identification circuit further comprises: a current control circuit, one end of the current control circuit is connected to the other end of the processor, for receiving a current control instruction corresponding to the color identification result, and outputting a current value corresponding to the current control instruction.

[0017] In some embodiments, the color recognition circuit and the processor are integrally arranged.

[0018] To achieve the above object, the embodiment of the second aspect of the utility model provides an electronic equipment, the electronic equipment includes: the recognition circuit as described in the above embodiment.

[0019] According to the electronic equipment of the utility model embodiment, through setting light detection circuit, receiving light intensity signal of light source signal reflection from electronic equipment shell, output voltage signal corresponding to light intensity signal, then through color recognition circuit in recognition circuit, receiving the voltage signal, output color recognition result, this process does not need the intervention of manual procedure, realizes shell color automatic identification, saves the cost, improves the efficiency and quality of electronic equipment shell color detection, is convenient for controlling version etc.

[0020] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be known by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the utility model will become apparent and more readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0022] Figure 1 It is the structural block diagram of recognition circuit according to one specific embodiment of the utility model;

[0023] Figure 2 It is the circuit schematic diagram of recognition circuit according to one specific embodiment of the utility model;

[0024] Figure 3 It is the structural block diagram of recognition circuit according to another specific embodiment of the utility model;

[0025] Figure 4 It is the current control circuit according to one specific embodiment of the utility model;

[0026] Figure 5 It is the electronic equipment according to one specific embodiment of the utility model.

[0027] REFERENCE NUMERALS:

[0028] Recognition circuit 6;

[0029] Switching circuit 25;Light detection circuit 2;Color recognition circuit 3;Processor 4;Current control circuit 5;

[0030] Electronic equipment 7;

[0031] Power supply circuit 30;

[0032] Light emitting sub-circuit 31; light receiving sub-circuit 32;

[0033] Second power supply 20; first power supply 21; second MOS tube 33; first resistor 26; light emitting diode 27; second resistor 28; first MOS tube 29;

[0034] Second capacitor 50; third capacitor 51; fourth capacitor 52; fifth capacitor 53. DETAILED DESCRIPTION

[0035] The embodiment of the utility model is described in detail below, and the embodiment described with reference to the drawings is exemplary.

[0036] The embodiment of the utility model is described in detail below, and the embodiment described with reference to the drawings is exemplary. Figures 1-4 The identification circuit 6 of the embodiment of the utility model is described.

[0037] As Figure 1 The identification circuit 6 of the embodiment of the utility model is described.

[0038] In the embodiment, as Figure 1 The identification circuit 6 of the embodiment of the utility model is described.

[0039] According to the identification circuit 6 of the embodiment of the utility model, by setting the light detection circuit, the light intensity signal reflected from the electronic equipment shell is received, the voltage signal corresponding to the light intensity signal is output, and then the color recognition circuit in the identification circuit receives the above voltage signal and outputs the color recognition result, which realizes automatic shell color recognition without manual intervention, saves cost, improves the efficiency and quality of electronic equipment shell color detection, and is convenient for version control.

[0040] In some embodiments, as Figure 2As shown, it is the circuit schematic view of the identification circuit of one embodiment of the utility model. The light detection circuit 2 includes the light emitting subcircuit 31 and the light receiving subcircuit 32, wherein one end of the light emitting subcircuit 31 is connected with the first power supply 21 end, the other end of the light emitting subcircuit 31 is grounded, is used to send light source signal, one end of the light receiving subcircuit 32 is connected with one end of the light emitting subcircuit 31, the other end of the light receiving subcircuit 32 is grounded, is used to receive light intensity signal, and output voltage signal.

[0041] In the embodiment, the first power supply 21 end is the power supply voltage of the circuit, for example VCC (power supply voltage, Volt Current Condenser), the light detection circuit 2 includes the light emitting subcircuit 31 and the light receiving subcircuit 32, wherein one end of the light emitting subcircuit 31 is connected with the first power supply 21 end, the other end of the light emitting subcircuit 31 is grounded, is used to send light source signal to the electronic equipment shell, under the condition that the light source signal intensity is certain, after the light source signal is emitted to the electronic equipment shell, the reflectivity of different colors of electronic equipment shell is different, and the reflected light intensity signal is also different, one end of the light receiving subcircuit 32 is connected with one end of the light emitting subcircuit 31, the other end of the light receiving subcircuit 32 is grounded, is used to receive the light intensity signal reflected by the electronic equipment shell, and output the voltage signal corresponding to the light intensity signal.

[0042] For example, the electronic equipment shell is assumed to be black, the light emitting subcircuit 31 sends light source signal to the black electronic equipment shell, after the black electronic equipment shell is irradiated by the light source signal, the black electronic equipment shell will reflect the light intensity signal corresponding to the black electronic equipment shell according to the reflectivity of black and the intensity of light source signal, the light intensity signal reflected by the black electronic equipment shell will be received by the light receiving subcircuit 32, the light receiving subcircuit 32 outputs the corresponding voltage signal according to the light intensity signal corresponding to the black electronic equipment shell, and the color identification process of other colors of electronic equipment shell is the same.

[0043] In some embodiments, as shown, Figure 2 The light emitting subcircuit 31 includes the first resistance 26 and the light emitting diode 27, wherein one end of the first resistance 26 is connected with the first power supply 21, the anode of the light emitting diode 27 is connected with the other end of the first resistance 26, the other end of the light emitting diode 27 is grounded, and is used to send light source signal.

[0044] In the embodiment, the light emitting diode 27 is a kind of device based on the PN junction characteristics of semiconductor diode, converts electric energy into light, the light emitting subcircuit 31 includes the first resistance 26 light emitting diode 27, one end of the first resistance 26 is connected with the first power supply 21, the anode of the light emitting diode 27 is connected with the other end of the first resistance 26, the other end of the light emitting diode 27 is grounded, and is used to send light source signal to the shell of electronic equipment.

[0045] It can be understood that the resistance value of the first resistor 26 and the specific position of the light-emitting diode 27 can be adjusted according to the strength requirement of the current and light intensity signal, for example, the light-emitting diode 27 emits a light source signal which is weak, then the light-emitting diode 27 can be designed to be close to the shell of the electronic device, and the specific position needs to be determined through simulation.

[0046] In some embodiments, as shown in Figure 2 The light receiving sub-circuit 32 includes a second resistor 28 and a first MOS tube 29, one end of the second resistor 28 is connected to the first power supply 21, the collector of the first MOS tube 29 is connected to the other end of the second resistor 28, and the emitter of the first MOS tube 29 is grounded, for outputting a voltage signal.

[0047] In the embodiment, the first MOS tube 29, such as a photoelectric triode or a photoresistor, is a device capable of controlling current or voltage signal according to light intensity signal, Figure 2 The photoelectric triode is used in the embodiment, the light receiving sub-circuit 32 includes a second resistor 28 and a first MOS tube 29, one end of the second resistor 28 is connected to the first power supply 21, the collector of the first MOS tube 29 is connected to the other end of the second resistor 28, and the emitter of the first MOS tube 29 is grounded, for outputting a voltage signal corresponding to different color light intensity signals reflected by the electronic device shell, in preparation for identifying the color of the electronic device shell.

[0048] For example, after the first MOS tube 29 receives light intensity signals of different colors reflected by the electronic device shell, the first MOS tube 29, such as a photoelectric triode, will be opened or closed according to different light intensity signals, assuming that the light intensity signal of the black shell is open, then the light intensity signal of the white shell is closed, in order to control the photoelectric triode to be opened or closed to output a voltage signal corresponding to different light intensity signals.

[0049] It can be understood that the resistance value of the second resistor 28 and the specific position of the first MOS tube 29 can be adjusted according to the resistance value of the first resistor 26 and the specific position of the light-emitting diode 27.

[0050] In some embodiments, as shown in Figure 2 The identification circuit further includes a power supply circuit 30, a first end of the power supply circuit 30 is connected to the second power supply end 20, and a second end of the power supply circuit 30 is grounded, for providing a power supply.

[0051] In the embodiment, the second power supply end 20 is a working voltage inside the device, such as VDD (Voltage Designated Drain), the identification circuit further includes a power supply circuit 30, a first end of the power supply circuit 30 is connected to the second power supply 20, and a second end of the power supply circuit 30 is grounded, for providing a power supply.

[0052] In some embodiments, as shown in Figure 2 The identification circuit further comprises a switch circuit 25, a first end of the switch circuit 25 being connected to a fourth end of the power supply circuit 30, a second end of the switch circuit 25 being connected to a third end of the power supply circuit 30, and a third end of the switch circuit 25 being connected to the first power supply 21, for being turned on when receiving a detection trigger signal.

[0053] In embodiments, the identification circuit further comprises a switch circuit 25, a first end of the switch circuit 25 being connected to a fourth end of the power supply circuit 30, a second end of the switch circuit 25 being connected to a third end of the power supply circuit 30, and a third end of the switch circuit 25 being connected to the first power supply 21, for being turned on when receiving a detection trigger signal, for example, the device will send a detection trigger signal when starting to detect, and the switch circuit 25 controls the switch circuit 25 to be turned on after receiving the detection trigger signal.

[0054] In some embodiments, as shown in Figure 2 The switch circuit 25 comprises a second MOS tube 33, a drain of the second MOS tube 33 being connected to a first end of the light detection circuit 2, for being turned on when receiving a switch trigger signal.

[0055] In embodiments, the second MOS tube 33, for example, a MOS tube, has a switching characteristic, and the working state of the MOS tube is controlled by adjusting the gate-source voltage, so that the MOS tube is in a turned-on or turned-off state, thereby realizing the switching function of the circuit. The switch circuit 25 comprises a second MOS tube 33, a drain of the second MOS tube 33 being connected to a first end of the light detection circuit 2, for being turned on when receiving a switch trigger signal.

[0056] For example, the switch circuit 25 receives a detection trigger signal, controls the second MOS tube 33 to be switched on, and supplies power to the light-emitting diode 27 in the light-emitting sub-circuit 31. After the light-receiving sub-circuit 32 outputs a voltage signal corresponding to the light intensity signal, the second MOS tube 33 is controlled to be switched off to stop being turned on, so as to reduce power consumption loss.

[0057] In some embodiments, as shown in Figure 3 The structure block diagram of the identification circuit of another specific embodiment of the utility model is shown. The identification circuit further comprises a processor 4, one end of the processor 4 being connected to the other end of the color identification circuit 3, for receiving a color identification result.

[0058] In embodiments, the identification circuit further comprises a processor 4, one end of the processor 4 being connected to the other end of the color identification circuit 3, for receiving a color identification result, for example, the shell color ID (Identity document) of the electronic device, so as to control the current size of the current control circuit 5 through the I2C control bus.

[0059] In some embodiments, as shown in Figure 3 The recognition circuit 6 further includes a current control circuit 5, one end of which is connected to the other end of the processor 4, for receiving a current control instruction corresponding to the color recognition result, and outputting a current value corresponding to the current control instruction.

[0060] In an embodiment, the recognition circuit 6 further includes a current control circuit 5, one end of which is connected to the other end of the processor 4, for receiving a current control instruction corresponding to the color recognition result, and outputting a current value corresponding to the current control instruction.

[0061] For example, as shown in Figure 4 The current control circuit of one specific embodiment of the utility model. Among them, the power input, the second capacitor 50 and the third capacitor 51 connect the 29th pin of the chip, which corresponds to VDD (Voltage Designated Drain) for power supply of the chip; the power input, the fourth capacitor 52 and the fifth capacitor 53 connect the 23rd and 13th pins of the chip, which correspond to VBAT1 and VBAT2 respectively, for backup power supply; C1, C2, C3 correspond to the 22nd, 21st and 20th pins of the chip respectively, R1 to R12 correspond to the 1st to 12th pins of the chip respectively, C1 to C3 and R1 to R12 are channels for controlling the current size in the current control circuit 5, assuming that the controlled current size is used to control the lamp strip of the electronic device, the lamp strip is composed of LED (Light Emitting Diode), one of C1 to C3 is connected to the positive pole of the lamp strip, and one of R1 to R12 is connected to the negative pole of the lamp strip, so there are 3x12=36 channels for controlling the current size.

[0062] In some embodiments, as shown in Figure 3 The color recognition circuit 3 and the processor 4 are integrated.

[0063] In an embodiment, the color recognition circuit 3 and the processor 4 are integrated, for example, integrated as SOC (System on a Chip), for outputting a color recognition result such as color ID (Identity document) of the shell of the electronic device according to the voltage signal.

[0064] According to the identification circuit 6 of the embodiment of the utility model, through setting light detection circuit, receive light intensity signal that light source signal is reflected from electronic equipment shell, output voltage signal corresponding to light intensity signal, receive above-mentioned voltage signal again through color identification circuit in identification circuit, output color identification result, this process does not need the intervention of manual procedure, realize shell color automatic identification, saved cost, promoted electronic equipment shell color detection's efficiency and quality, it is convenient to control version etc.

[0065] The utility model discloses an electronic equipment 7. Figure 5 The utility model discloses an electronic equipment 7.

[0066] As Figure 5 The utility model discloses an electronic equipment 7.

[0067] According to the identification circuit 6 of the embodiment of the utility model, through setting light detection circuit, receive light intensity signal that light source signal is reflected from electronic equipment shell, output voltage signal corresponding to light intensity signal, receive above-mentioned voltage signal again through color identification circuit in identification circuit, output color identification result, this process does not need the intervention of manual procedure, realize shell color automatic identification, saved cost, promoted electronic equipment shell color detection's efficiency and quality, it is convenient to control version etc.

[0068] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.

[0069] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. An identification circuit, characterized by The application relates to an identification circuit. The light detection circuit comprises a light-emitting sub-circuit and a light-receiving sub-circuit, the light-emitting sub-circuit is used for emitting the light source signal, and the light-receiving sub-circuit is used for receiving the light intensity signal and outputting the voltage signal; the light-emitting sub-circuit comprises a first resistor and a light-emitting diode connected with the first resistor, and the light-emitting diode is used for emitting the light source signal; the light-receiving sub-circuit comprises a second resistor and a first MOS tube connected with the second resistor, and the first MOS tube is used for outputting the voltage signal; The color identification circuit is connected with the other end of the light detection circuit and is used for receiving the voltage signal and outputting a color identification result.

2. The identification circuit of claim 1, wherein One end of the light-emitting sub-circuit is connected with a first power supply end, and the other end of the light-emitting sub-circuit is grounded. One end of the light-receiving sub-circuit is connected with one end of the light-emitting sub-circuit, and the other end of the light-receiving sub-circuit is grounded.

3. The identification circuit of claim 2, wherein, One end of the first resistor is connected with the first power supply. The anode of the light-emitting diode is connected with the other end of the first resistor, and the other end of the light-emitting diode is grounded.

4. The identification circuit of claim 2, wherein, One end of the second resistor is connected with the first power supply. The collector of the first MOS tube is connected with the other end of the second resistor, and the emitter of the first MOS tube is grounded.

5. The identification circuit of claim 1, wherein, The identification circuit further comprises: A power supply circuit, a first end of the power supply circuit is connected with a second power supply end, a second end of the power supply circuit is grounded, and the power supply circuit is used for providing a power supply.

6. The identification circuit of claim 5, wherein, The identification circuit further comprises: A switch circuit, a first end of the switch circuit is connected with a fourth end of the power supply circuit, a second end of the switch circuit is connected with a third end of the power supply circuit, a third end of the switch circuit is connected with the first power supply end, and the switch circuit is used for being turned on when a detection trigger signal is received.

7. The identification circuit of claim 6, wherein, The switch circuit comprises: A second MOS tube, a drain of the second MOS tube is connected with the first end of the light detection circuit, and the second MOS tube is used for being turned on when the switch trigger signal is received.

8. The identification circuit of claim 1, wherein, The identification circuit further comprises: A processor, one end of the processor is connected with the other end of the color identification circuit, and the processor is used for receiving the color identification result.

9. The identification circuit of claim 8, wherein, The identification circuit further comprises: A current control circuit, one end of the current control circuit is connected with the other end of the processor, the current control circuit is used for receiving a current control instruction corresponding to the color identification result and outputting a current value corresponding to the current control instruction.

10. The identification circuit of claim 9, wherein, The color identification circuit and the processor are integrally arranged.

11. An electronic device, comprising: The application relates to an identification circuit. The application relates to an identification circuit.

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