CN214796202U - Transmitting head signal detection device - Google Patents
Transmitting head signal detection device Download PDFInfo
- Publication number
- CN214796202U CN214796202U CN202121137271.3U CN202121137271U CN214796202U CN 214796202 U CN214796202 U CN 214796202U CN 202121137271 U CN202121137271 U CN 202121137271U CN 214796202 U CN214796202 U CN 214796202U
- Authority
- CN
- China
- Prior art keywords
- triode
- photodiode
- transmission head
- detection device
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model discloses an emitter signal detection device, including at least one photodiode, triode Q1, resistance R1, photodiode's positive pole is connected with triode Q1's base and resistance R1's one end respectively, and the negative pole is connected with triode Q1's collecting electrode and the one end of detector respectively, resistance R1's the other end is connected with the one end of detector; above-mentioned transmission head signal detection device, through photodiode, triode Q1's cooperation sets up, photodiode's quantity and the quantity looks adaptation of transmission head, after a plurality of transmission head transmission infrared signal, the infrared signal of transmission head transmission is received to the photodiode that corresponds with it, when one of them transmission head became invalid, whole circuit can't switch on, can't convey infrared signal to the detector in, the proof exists the defective products in the above-mentioned transmission head that waits to detect, can carry out batch detection to the product that has the transmission head, and the work efficiency is improved.
Description
Technical Field
The utility model relates to a technical field that the transmission head detected specifically is a transmission head signal detection device.
Background
The infrared receiver is a device which can receive infrared signals and independently receive and output infrared rays and is compatible with TTL level signals, has the size similar to that of a common plastic package triode, and is suitable for various infrared remote controls and infrared data transmission.
According to the infrared receiver that is popular in the existing market can only detect the signal of single infrared emission head, when a plurality of emission heads send infrared signal simultaneously, current equipment can't judge whether every emission head is all working and emitting infrared signal, and the efficiency that detects is not high, can't carry out batch detection.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing, there is a need for an apparatus for detecting a signal from a plurality of emission heads, which can effectively detect whether each emission head is in an operating state when the plurality of emission heads simultaneously emit infrared signals.
The utility model provides an emission head signal detection device, includes at least one photodiode, triode Q1, resistance R1, and photodiode's positive pole is connected with triode Q1's base and resistance R1's one end respectively, and the negative pole is connected with triode Q1's collecting electrode and the one end of detector respectively, resistance R1's the other end is connected with the one end of detector.
In one embodiment, the detection device further includes an adjustable resistor RW, one end of the adjustable resistor RW is connected to the base of the transistor Q1, and the other end of the adjustable resistor RW is connected to one end of the resistor R1.
In one embodiment, the transistor Q1 is an NPN transistor.
In one embodiment, the type of the photosensitive diode is SLR 3516B.
In one embodiment, the number of the photodiodes is adapted to the number of the emitter heads.
Above-mentioned transmission head signal detection device, through photodiode, triode Q1's cooperation sets up, photodiode's quantity and the quantity looks adaptation of transmission head, after a plurality of transmission head transmission infrared signal, the infrared signal of transmission head transmission is received to the photodiode that corresponds with it, when one of them transmission head became invalid, whole circuit can't switch on, can't convey infrared signal to the detector in, the proof exists the defective products in the above-mentioned transmission head that waits to detect, can carry out batch detection to the product that has the transmission head, and the work efficiency is improved.
Drawings
Fig. 1 is a circuit diagram of a signal detection device of a transmitting head according to an embodiment of the present invention;
fig. 2 is an electrical diagram of the signal detection device of the emitting head of fig. 1 according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, an emitter signal detection apparatus includes at least one photodiode, a transistor Q1, and a resistor R1, wherein an anode of the photodiode is connected to a base of the transistor Q1 and one end of the resistor R1, a cathode of the photodiode is connected to a collector of the transistor Q1 and one end of a detector, and another end of the resistor R1 is connected to one end of the detector.
In one embodiment, the detection device further includes an adjustable resistor RW, one end of the adjustable resistor RW is connected to the base of the transistor Q1, and the other end of the adjustable resistor RW is connected to one end of the resistor R1.
In one embodiment, the transistor Q1 is an NPN transistor.
In one embodiment, the type of the photosensitive diode is SLR 3516B.
In one embodiment, the number of the photodiodes is adapted to the number of the emitter heads.
The number of the emission heads to be detected is consistent with the number of the photosensitive diodes and corresponds to one another, for example, when there are 5 remote controllers to be detected, 5 photosensitive diodes are required to be equipped to correspond to the remote controllers to be detected one by one, 5 remote controllers to be detected emit infrared signals through the emission heads, 5 photosensitive diodes receive the infrared signals emitted by the remote controllers through the emission heads, when the emission heads of the 5 remote controllers to be detected are in a normal working state, the whole circuit is in a conducting state, and the detector can receive the infrared signals; when the transmitting head of one remote controller in the 5 remote controllers cannot work, the whole circuit is in a disconnected state, the detector cannot receive any infrared signal, and then the 5 remote controllers need to be checked one by one to find the remote controllers which cannot work normally.
Like this, transmission head signal detection device, through photodiode, triode Q1's cooperation sets up, photodiode's quantity and the quantity looks adaptation of transmission head, after a plurality of transmission head transmission infrared signal, the photodiode that corresponds with it receives the infrared signal of transmission head transmission, when one of them transmission head became invalid, whole circuit can't switch on, can't convey infrared signal to the detector in, the proof has the defective products in the above-mentioned transmission head that waits to detect, can carry out batch detection to the product that has the transmission head, and the work efficiency is improved.
Furthermore, in order to make the applicability of the emitter signal detection device wider, the detection device further comprises an adjustable resistor RW, one end of the adjustable resistor RW is connected with the base of the transistor Q1, and the other end of the adjustable resistor RW is connected with one end of the resistor R1.
The adjustable resistor RW has a resistance value of 10K.
Therefore, the distance required to be received by infrared rays can be adjusted through the adjustable resistor RW in the circuit, the resistance value is larger and larger by adjusting the adjustable resistor RW clockwise, and the distance between the emitting head and the photosensitive diode is longer and longer. The resistance value of the adjustable resistor RW is adjusted in the anticlockwise direction to be smaller and smaller, the distance between the emitting head and the photosensitive diode is closer and closer, the adjusting distance is within 0-15CM, the resistance value of the adjustable resistor RW can be adjusted according to the distance between the emitting head and the photosensitive diode which needs to be detected, detection is convenient, and the application range of the detection device is wider.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A kind of emission head signal detection device, characterized by that: the detector comprises at least one photosensitive diode, a triode Q1 and a resistor R1, wherein the anode of the photosensitive diode is respectively connected with the base of the triode Q1 and one end of the resistor R1, the cathode of the photosensitive diode is respectively connected with the collector of the triode Q1 and one end of the detector, and the other end of the resistor R1 is connected with one end of the detector.
2. A head signal detecting apparatus according to claim 1, wherein: the detection device further comprises an adjustable resistor RW, wherein one end of the adjustable resistor RW is connected with the base electrode of the triode Q1, and the other end of the adjustable resistor RW is connected with one end of the resistor R1.
3. A head signal detecting apparatus according to claim 1, wherein: the triode Q1 is an NPN type triode.
4. A head signal detecting apparatus according to claim 1, wherein: the type of the photosensitive diode is SLR 3516B.
5. A head signal detecting apparatus according to claim 1, wherein: the number of the photosensitive diodes is matched with the number of the emitting heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137271.3U CN214796202U (en) | 2021-05-26 | 2021-05-26 | Transmitting head signal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137271.3U CN214796202U (en) | 2021-05-26 | 2021-05-26 | Transmitting head signal detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796202U true CN214796202U (en) | 2021-11-19 |
Family
ID=78697470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121137271.3U Active CN214796202U (en) | 2021-05-26 | 2021-05-26 | Transmitting head signal detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214796202U (en) |
-
2021
- 2021-05-26 CN CN202121137271.3U patent/CN214796202U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9116211B2 (en) | Device and method for detecting state of overload and overcurrent protector | |
| CN103353621B (en) | A kind of method that mobile terminal proximity transducer is calibrated and this mobile terminal | |
| CN103399251A (en) | USB communication line detection device | |
| CN214796202U (en) | Transmitting head signal detection device | |
| CN212905381U (en) | Live wire zero line ground wire of alternating-current charging stake connects wrong detection circuitry | |
| CN220709309U (en) | Switch detection circuit and device | |
| CN108616292B (en) | Communication circuit, communication method thereof, controller and electric equipment | |
| CN113606761A (en) | Current loop communication circuit and air conditioner | |
| CN118233238A (en) | Slave system, address coding method, battery device and electric equipment | |
| CN106646189A (en) | Obstacle detection module | |
| CN206193179U (en) | Which comprises a housin, | |
| CN211505924U (en) | DIY grating | |
| CN205513339U (en) | Infrared nothing wrong report file administration device | |
| CN210016448U (en) | Isolation communication circuit for realizing self-checking | |
| CN213342220U (en) | Signal transmitting device, signal receiving device, communication equipment and air conditioning unit | |
| CN210775763U (en) | Relay on-off detection system for new energy automobile charging protection device | |
| CN110646059B (en) | Liquid level detection method and device | |
| CN209248040U (en) | Photodetection assembly, optical detection device and automatic vending machine | |
| CN202631758U (en) | Infrared reflective sensors and infrared reflective sensor group | |
| CN216848191U (en) | Infrared light detection circuit and electronic equipment | |
| CN217216537U (en) | Photoelectric conversion circuit, photoelectric sensor receiving tube and photoelectric sensor | |
| CN219980832U (en) | Near infrared communication transmitting circuit, power terminal and power system | |
| CN101294990A (en) | Current/voltage inbreak testing apparatus | |
| CN221614669U (en) | Treasured charges | |
| CN216848195U (en) | Article detection circuit for storage space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |