CN213461986U - Remote controller circuit, remote controller and television detection system - Google Patents
Remote controller circuit, remote controller and television detection system Download PDFInfo
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- CN213461986U CN213461986U CN202022601157.3U CN202022601157U CN213461986U CN 213461986 U CN213461986 U CN 213461986U CN 202022601157 U CN202022601157 U CN 202022601157U CN 213461986 U CN213461986 U CN 213461986U
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- module
- infrared
- remote controller
- control
- television
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Abstract
The utility model provides a remote controller circuit, remote controller and TV detecting system, the remote controller circuit includes control module, infrared module and partial pressure module, the output of control module is connected the infrared module, the infrared module with the partial pressure module is established ties; the control module is used for sending a lighting instruction to the infrared module when being triggered; the infrared module is used for sending an infrared signal when receiving the lighting instruction; the voltage division module is used for reducing the voltage of the infrared module so as to reduce the infrared signal intensity of the infrared module. The infrared signal intensity of the infrared module is adjustable by adding the voltage division module, the infrared signal intensity of the infrared module is reduced when short-distance detection is carried out, the receiving performance of the television receiving head under the condition that the infrared signal intensity is weak can be detected, and the television receiving head can be accurately detected.
Description
Technical Field
The utility model relates to a terminal test field especially relates to a remote controller circuit, remote controller and TV detecting system.
Background
In the television sale process, the situation that the television remote control bought by a client is insensitive or even cannot be remotely controlled often occurs, but the normal remote control can be found when the machine returns to a manufacturer for maintenance. It is found through analysis that this is because in the actual production inspection, because of the limit of the detection environment, the inspector usually performs the inspection at a distance of about 1 meter from the television, under this inspection condition, if the receiving device with poor performance of the receiving head can still normally receive the code value signal sent by the remote controller, thereby causing poor receiving performance, and the television with insufficient receiving distance flows into the market.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a remote controller circuit, remote controller and TV detecting system, aims at solving the problem that prior art can't the accurate TV set reception head receptivity that detects.
In order to achieve the above object, the present invention provides a remote controller circuit, which includes a control module, an infrared module and a voltage dividing module, wherein an output end of the control module is connected to the infrared module, and the infrared module is connected in series with the voltage dividing module;
the control module is used for sending a lighting instruction to the infrared module when being triggered;
the infrared module is used for sending an infrared signal when receiving the lighting instruction;
the voltage division module is used for reducing the voltage of the infrared module so as to reduce the infrared signal intensity of the infrared module.
Optionally, the infrared module includes an infrared light emitting diode, an anode of the infrared light emitting diode is connected to the power supply, and a cathode of the infrared light emitting diode is grounded.
Optionally, the voltage dividing module is a variable resistor.
Optionally, the control module includes a switch unit and a chip unit, and the switch unit includes a switch tube and a first resistor;
the control end of the switch tube is connected with the output end of the chip unit through the first resistor, the input end of the switch tube is connected with the cathode of the infrared light-emitting diode, and the output end of the switch tube is grounded through the variable resistor.
Optionally, the chip unit includes a control chip, a crystal oscillator, and a switch;
the first output end of the control chip is connected with the control end of the switch tube, the second output end of the control chip is connected with the input end of the control chip through the switch, the crystal oscillator end of the control chip is grounded through the crystal oscillator, the power supply end of the control chip is connected with the power supply, and the grounding end of the control chip is grounded.
Optionally, the circuit further comprises a filtering module, and the filtering module is connected with the power supply.
Optionally, the filtering module includes a first capacitor and an electrolytic capacitor, an anode of the electrolytic capacitor is connected to the power supply, and a cathode of the electrolytic capacitor is grounded; the first capacitor is connected in parallel with the electrolytic capacitor.
Furthermore, in order to achieve the above object, the present invention also provides a remote controller, the remote controller includes a housing and a remote controller circuit, the remote controller circuit is disposed in the housing, the remote controller circuit is configured as the remote controller circuit as described above.
In addition, in order to achieve the above object, the present invention also provides a television detection system, which includes a television and a remote controller, wherein the remote controller is configured as the remote controller as described above.
Alternatively,
the system further comprises a conveyor and a stage; the object stage is movably arranged on the conveying device, and the television is arranged on the object stage; the switch in the remote controller is a travel switch which is fixedly arranged on the conveying device;
and the object stage is used for triggering the travel switch to be closed when the object stage moves to a preset distance between the infrared receiving head of the television and the light-emitting diode.
The utility model provides a remote controller circuit, remote controller and TV detecting system, the remote controller circuit includes control module, infrared module and partial pressure module, the output of control module is connected the infrared module, the infrared module with the partial pressure module is established ties; the control module is used for sending a lighting instruction to the infrared module when being triggered; the infrared module is used for sending an infrared signal when receiving the lighting instruction; the voltage division module is used for reducing the voltage of the infrared module so as to reduce the infrared signal intensity of the infrared module. The infrared signal intensity of the infrared module is adjustable by adding the voltage division module, the infrared signal intensity of the infrared module is reduced when short-distance detection is carried out, the receiving performance of the television receiving head under the condition that the infrared signal intensity is weak can be detected, and the television receiving head can be accurately detected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a circuit structure diagram of an embodiment of the remote controller circuit of the present invention;
fig. 2 is a schematic structural diagram of the television detection system of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | Control module | | Control chip | |
| 110 | Chip unit | D1 | Infrared |
|
| 120 | Switch unit | Q1 | Three- |
|
| 200 | Infrared module | | Crystal oscillator | |
| 300 | Voltage division module | C1 | |
|
| 400 | Filtering module | C2 | Electrolytic capacitor | |
| R1 | A first resistor | S1 | Switch with a switch body | |
| R2 | Variable resistor |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a remote controller circuit, this remote controller circuit are applied to the remote controller, please refer to fig. 1, and fig. 1 is the circuit structure chart of an embodiment of the utility model discloses remote controller circuit. In this embodiment, the remote controller circuit includes a control module 100, an infrared module 200, and a voltage dividing module 300, wherein an output end of the control module 100 is connected to the infrared module 200, and the infrared module 200 is connected in series with the voltage dividing module 300;
the control module 100 is configured to send a lighting instruction to the infrared module 200 when being triggered;
the infrared module 200 is configured to send an infrared signal when receiving the lighting instruction;
the voltage dividing module 300 is configured to reduce the voltage of the infrared module 200 to reduce the infrared signal intensity of the infrared module 200.
Referring to fig. 1 and 2, the infrared module 200 includes an infrared led D1, an anode of the infrared led D1 is connected to a power supply, and a cathode of the infrared led D1 is grounded. The voltage dividing module 300 is a variable resistor R2.
The control module 100 may cause the infrared light emitting diode D1 to be turned on or off by changing the voltage across the infrared light emitting diode D1. The sending of the lighting instruction to the infrared module 200 enables the infrared led D1 to reach the lighting condition. The variable resistor R2 is connected in series with the infrared light emitting diode D1, so that the voltage across the infrared light emitting diode D1 can be changed by changing the size of the variable resistor R2, specifically, the voltage across the variable resistor R2 is increased and the voltage across the infrared light emitting diode D1 is decreased by increasing the resistance value of the variable resistor R2; when the resistance of the variable resistor R2 is decreased, the voltage across the variable resistor R2 is decreased, and the power supply across the infrared led D1 is increased. Therefore, the resistance value of the variable resistor R2 can be adjusted according to the actual test site conditions, for example, the current test environment of the television receiver only allows the television receiver to be tested at a distance of 0.5m from the infrared led D1 of the remote controller, and the effective distance of the infrared signal sent by the infrared led D1 is about 0.5m by reducing the resistance value of the variable resistor R2, so that the television receiver receives a weak infrared signal to simulate the remote operation scene of the user.
This embodiment makes infrared module 200's infrared signal intensity adjustable through increasing partial pressure module 300, reduces infrared module 200's infrared signal intensity when the short distance detects for can detect the receptivity of TV set receiving head under the weak condition of infrared signal intensity, can accurately detect the TV set receiving head.
Further, the control module 100 includes a switch unit 120 and a chip unit 110, the switch unit 120 includes a switch tube and a first resistor R1;
the control end of the switch tube is connected with the output end of the chip unit 110 through the first resistor R1, the input end of the switch tube is connected with the cathode of the infrared light emitting diode D1, and the output end of the switch tube is grounded through the variable resistor R2.
It should be noted that the position of the variable resistor R2 may also be set at the positive terminal of the infrared led D1 or the negative terminal of the infrared led D1, and in this embodiment, the variable resistor R2 is only required to be connected in series with the infrared led D1.
The switch tube is a triode Q1, the base electrode of the triode Q1 is the control end of the switch tube, the collector electrode of the triode Q1 is the input end of the switch tube, and the emitter electrode of the triode Q1 is the output end of the switch tube.
The chip unit 110 comprises a control chip U1, a crystal oscillator Q2 and a switch S1;
the first output end of the control chip U1 is connected with the control end of the switch S1 tube, the second output end of the control chip U1 is connected with the input end of the control chip U1 through the switch S1, the crystal oscillator end of the control chip U1 is grounded through the crystal oscillator Q2, the power supply end of the control chip U1 is connected with a power supply, and the ground end of the control chip U1 is grounded.
In this embodiment, the model of the control chip U1 is YK 9028.
When the control chip U1 is powered on, the crystal oscillator Q2 starts to vibrate, the control chip U1 starts to work, when the switch S1 is disconnected, the control chip U1 does not send a lighting signal to the base electrode of the triode Q1, the base electrode of the triode Q1 is at a low level, the triode Q1 is cut off, no current flows on the infrared light-emitting diode D1, and the infrared light-emitting diode D1 is extinguished; when the switch S1 is closed, the control chip U1 sends a lighting signal, i.e., a high level signal, the base of the transistor Q1 is at a high level, the transistor Q1 is turned on, and the infrared light emitting diode D1 lights.
Further, the circuit further comprises a filtering module 400, wherein the filtering module 400 is connected with the power supply.
Further, the filtering module 400 comprises a first capacitor C1 and an electrolytic capacitor C2, wherein the anode of the electrolytic capacitor C2 is connected to the power supply, and the cathode of the electrolytic capacitor C2 is grounded; the first capacitor C1 is connected in parallel with the electrolytic capacitor C2.
The first capacitor C1 and the electrolytic capacitor C2 are used for ripple filtering to prevent interference.
The utility model discloses still protect a remote controller, this remote controller include casing and remote controller circuit, the remote controller circuit set up in the casing, the structure of this remote controller circuit can refer to above-mentioned embodiment, no longer gives unnecessary details here. It should be understood that, since the remote controller of the present embodiment adopts the technical solution of the remote controller circuit, the remote controller has all the beneficial effects of the remote controller circuit.
The utility model discloses still protect a TV detecting system, this system includes TV and remote controller, and the structure of this remote controller can refer to above-mentioned embodiment, no longer gives unnecessary details here. It should be noted that, since the television detection system of the present embodiment adopts the technical solution of the remote controller, the television detection system has all the beneficial effects of the remote controller.
Further, with reference to FIG. 2,
the system further comprises a conveyor and a stage; the object stage is movably arranged on the conveying device, and the television is arranged on the object stage; the switch in the remote controller is a travel switch which is fixedly arranged on the conveying device;
and the object stage is used for triggering the travel switch to be closed when the object stage moves to a preset distance between the infrared receiving head of the television and the light-emitting diode.
In this embodiment, the preset distance is 0.5m, and the type of the signal sent by the infrared light emitting diode is preset, for example, standby. When the interval of the infrared light emitting diodes in the remote controller is 0.5m, the travel switch is closed, the infrared light emitting diodes send standby signals at the moment, if the television receiving head receives the standby signals, the television enters a standby state, the television carries out the next detection program, and the next television flows into the television detection system and executes the detection operation; if the television receiving head does not receive the standby signal and the television does not enter the standby state, returning to the repair area to wait for the detection personnel to check.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. The term "comprising", without further limitation, means that the element so defined is not excluded from the group of processes, methods, articles, or systems that include the element. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A remote controller circuit is characterized by comprising a control module, an infrared module and a voltage division module, wherein the output end of the control module is connected with the infrared module, and the infrared module is also connected with the voltage division module in series;
the control module is used for sending a lighting instruction to the infrared module when being triggered;
the infrared module is used for sending an infrared signal when receiving the lighting instruction;
the voltage division module is used for reducing the voltage of the infrared module so as to reduce the infrared signal intensity of the infrared module.
2. A remote control circuit as recited in claim 1, wherein the infrared module comprises an infrared light emitting diode, an anode of the infrared light emitting diode is connected to a power source, and a cathode of the infrared light emitting diode is connected to ground.
3. The remote control circuit of claim 2, wherein the voltage divider module is a variable resistor.
4. A remote controller circuit according to claim 3, wherein the control module comprises a switching unit and a chip unit, the switching unit comprising a switching tube and a first resistor;
the control end of the switch tube is connected with the output end of the chip unit through the first resistor, the input end of the switch tube is connected with the cathode of the infrared light-emitting diode, and the output end of the switch tube is grounded through the variable resistor.
5. The remote controller circuit as claimed in claim 4, wherein the chip unit includes a control chip, a crystal oscillator, and a switch;
the first output end of the control chip is connected with the control end of the switch tube, the second output end of the control chip is connected with the input end of the control chip through the switch, the crystal oscillator end of the control chip is grounded through the crystal oscillator, the power supply end of the control chip is connected with the power supply, and the grounding end of the control chip is grounded.
6. The remote control circuit of claim 5, wherein the circuit further comprises a filtering module, the filtering module being coupled to the power source.
7. The remote control circuit as set forth in claim 6 wherein said filter module comprises a first capacitor and an electrolytic capacitor, the anode of said electrolytic capacitor being connected to said power source and the cathode of said electrolytic capacitor being connected to ground; the first capacitor is connected in parallel with the electrolytic capacitor.
8. A remote control comprising a housing and remote control circuitry disposed within the housing, the remote control circuitry configured as the remote control circuitry of any one of claims 1-7.
9. A television detection system, characterized in that the system comprises a television and a remote control configured as the remote control of claim 8.
10. The television detection system of claim 9, wherein the system further comprises a conveyor and a stage; the object stage is movably arranged on the conveying device, and the television is arranged on the object stage; the switch in the remote controller is a travel switch which is fixedly arranged on the conveying device;
and the object stage is used for triggering the travel switch to be closed when the object stage moves to a preset distance between the infrared receiving head of the television and the light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022601157.3U CN213461986U (en) | 2020-11-11 | 2020-11-11 | Remote controller circuit, remote controller and television detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022601157.3U CN213461986U (en) | 2020-11-11 | 2020-11-11 | Remote controller circuit, remote controller and television detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213461986U true CN213461986U (en) | 2021-06-15 |
Family
ID=76299957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022601157.3U Expired - Fee Related CN213461986U (en) | 2020-11-11 | 2020-11-11 | Remote controller circuit, remote controller and television detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213461986U (en) |
-
2020
- 2020-11-11 CN CN202022601157.3U patent/CN213461986U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 Termination date: 20211111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |