CN216846447U - Photoelectric liquid level switch - Google Patents
Photoelectric liquid level switch Download PDFInfo
- Publication number
- CN216846447U CN216846447U CN202220236818.3U CN202220236818U CN216846447U CN 216846447 U CN216846447 U CN 216846447U CN 202220236818 U CN202220236818 U CN 202220236818U CN 216846447 U CN216846447 U CN 216846447U
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- Prior art keywords
- connector
- head
- connecting wire
- liquid level
- level switch
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- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 22
- 238000003491 array Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a liquid level switch technical field specifically is photoelectric type liquid level switch, including detecting the head, detect the one end fixedly connected with connector of head, the one end fixedly connected with connecting wire of connector, the one end fixedly connected with terminal head of connecting wire, the pyrocondensation pipe has been cup jointed on the surface of connecting wire, the inside fixed mounting of connector has the main control circuit board, main control circuit board signal connection has photoelectric sensor. The utility model has the advantages that: through detecting head, connector, connecting wire, terminal head and pyrocondensation pipe and mutually supporting constitution small-size multipurpose photoelectric switch, no motion part, overlength life, safe and reliable uses in a flexible way, and expansibility is strong, accords with requirements such as RoHS ann rule standard, can make the switch carry out the change of form in the use through the flexible deformation of connecting wire and pyrocondensation pipe, adjusts the direction of use of switch, and then can effectual reinforcing convenience that the switch used.
Description
Technical Field
The utility model relates to a liquid level switch technical field, especially photoelectric type liquid level switch.
Background
The photoelectric liquid level switch uses infrared detection, and utilizes the refraction and reflection principle of light, so that the light can generate reflection or refraction phenomenon at the interface of two different media. When the liquid to be measured is in high position, the liquid to be measured and the photoelectric switch form a kind of interface, when the liquid to be measured is in low position, the air and the photoelectric switch form another kind of interface, and the two kinds of interfaces make the reflected light intensity received by the light receiving crystal in the photoelectric switch different, that is, correspond to two different switch states. However, the existing photoelectric liquid level switch has some problems:
the conventional photoelectric liquid level switch is generally single in use, short in service life, low in flexibility and inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a shortcoming is overcome prior art, provides photoelectric type liquid level switch.
The purpose of the utility model is realized through the following technical scheme: photoelectric type liquid level switch, including detecting the head, the one end fixedly connected with connector of detection head, the one end fixedly connected with connecting wire of connector, the one end fixedly connected with terminal head of connecting wire, the pyrocondensation pipe has been cup jointed on the surface of connecting wire, the inside fixed mounting of connector has the master control circuit board, master control circuit board signal connection has photoelectric sensor, through detecting head, connector, connecting wire, terminal head, pyrocondensation pipe, master control circuit board and photoelectric sensor mutually support and constitute multipurpose, the liquid level switch that can use in a flexible way.
Preferably, the detection head is internally provided with a detection port matched with the photoelectric sensor, one end of the detection head is provided with an end cover, and the photoelectric sensor in the detection head is convenient to disassemble and assemble through the design of the end cover.
Preferably, the connector and the detection head are distributed at a right angle, fixing grooves matched with the main control circuit board are formed in the connector, and 3M Scotch 9448 double-sided adhesive tapes are arranged at two ends of the main control circuit board and are convenient to fix.
Preferably, the connector is located the one end that detects the head and be close to the end cover, the connector is kept away from the one end that detects the head and is seted up the wire casing with connecting wire looks adaptation, and the connector is the electrified grain of cremation of black main part plastic device with detecting the head colour.
Preferably, there are a plurality of the connecting lines and the heat shrinkable tubes, and a plurality of the connecting lines and the heat shrinkable tubes are linearly arrayed at one end of the connector.
Preferably, a connecting groove matched with the connecting wire is formed in one end of the terminal head, a plurality of terminals are arranged inside the terminal head, and the distance between the terminals is 2.0 mm.
Preferably, one end of the heat shrink tube is fixedly connected with the connector, the other end of the heat shrink tube is fixedly connected with the terminal head, and the heat shrink tube is colorless and transparent.
The utility model has the advantages of it is following:
this photoelectric type liquid level switch, through detecting the head, the connector, the connecting wire, terminal head and pyrocondensation pipe mutually support and constitute small-size multipurpose photoelectric switch, no motion part, overlength life, safe and reliable, use in a flexible way, the expansibility is strong, accord with requirements such as RoHS ann rule standard, flexible deformation through connecting wire and pyrocondensation pipe can make the switch carry out the change of form in the use, adjust the direction of use of switch, and then can effectual reinforcing convenience that the switch used, increase the application range of switch.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is a schematic diagram of the circuit structure of the present invention;
in the figure: 1-detection head, 2-connector, 3-connecting wire, 4-terminal head, 5-heat shrink tube, 6-main control circuit board, and 7-photoelectric sensor.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-4, the photoelectric liquid level switch comprises a detecting head 1, a connecting body 2 is fixedly connected to one end of the detecting head 1, a connecting wire 3 is fixedly connected to one end of the connecting wire 2, a terminal head 4 is fixedly connected to one end of the connecting wire 3, a heat-shrinkable tube 5 is sleeved on the surface of the connecting wire 3, a main control circuit board 6 is fixedly installed inside the connecting body 2, a photoelectric sensor 7 is connected to the main control circuit board 6 in a signal manner, the detecting head 1, the connecting body 2, the connecting wire 3, the terminal head 4, the heat-shrinkable tube 5, the main control circuit board 6 and the photoelectric sensor 7 are mutually matched to form the multipurpose and flexibly applicable liquid level switch, a control circuit is arranged inside the main control circuit board 6, the circuit is suitable for being used when no strong light interference exists, "OUTPUT" is signal OUTPUT, "OUTPUT" is voltage OUTPUT, "OUTPUT voltage is voltage variable, the OUTPUT voltage value is different according to different specific use conditions, the detection state is judged by taking about 0.5V as a state threshold value, and whether consider to add the anti-shake program, the detection head 1's inside is seted up with the detection mouth of photoelectric sensor 7 looks adaptation, and the one end of detecting head 1 is provided with the end cover, is convenient for carry out the dismouting to the photoelectric sensor 7 of detecting head 1 inside through the design of end cover.
The connector 2 and the detection head 1 are distributed in a right angle, a fixing groove matched with the main control circuit board 6 is arranged in the connector 2, 3M Scotch 9448 double faced adhesive tape is arranged at two ends of the main control circuit board 6 to facilitate the fixing, the connector 2 is arranged at one end of the detection head 1 close to the end cover, a wire groove matched with the connecting wire 3 is arranged at one end of the connector 2 far away from the detection head 1, the connector 2 and the detection head 1 are black in color, a main body plastic device is provided with cremation processing texture, the connecting wire 3 and the heat shrink tube 5 are respectively provided with a plurality of linear arrays, a plurality of connecting wires 3 and heat shrink tubes 5 are respectively arranged at one end of the connector 2, a connecting groove matched with the connecting wire 3 is arranged at one end of the terminal head 4, a plurality of terminals are arranged in the terminal head 4, the terminal space is 2.0mm, one end of the heat shrink tube 5 is fixedly connected with the connector 2, and the other end of the heat shrink tube 5 is fixedly connected with the terminal head 4, the heat shrinkable tube 5 is colorless and transparent.
The working process of the utility model is as follows: through detecting head 1, connector 2, connecting wire 3, terminal head 4 and pyrocondensation pipe 5 mutually support and constitute small-size multipurpose photoelectric switch, no moving part, overlength life, safety and reliability, use in a flexible way, the expansibility is strong, accord with requirements such as RoHS ann rule standard, through connecting wire 3 and pyrocondensation pipe 5's flexonics deformation can make the switch carry out the change of form in the use, adjust the direction of use of switch, and then can effectual reinforcing convenience that the switch used, increase the application range of switch.
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 (7)
1. Photoelectric type liquid level switch, its characterized in that: including detecting head (1), detect one end fixedly connected with connector (2) of head (1), one end fixedly connected with connecting wire (3) of connector (2), one end fixedly connected with terminal head (4) of connecting wire (3), pyrocondensation pipe (5) have been cup jointed on the surface of connecting wire (3), the inside fixed mounting of connector (2) has main control circuit board (6), main control circuit board (6) signal connection has photoelectric sensor (7).
2. The electro-optical liquid level switch of claim 1, wherein: the detection head is characterized in that a detection port matched with the photoelectric sensor (7) is formed in the detection head (1), and an end cover is arranged at one end of the detection head (1).
3. The electro-optical liquid level switch of claim 1, wherein: the connector (2) and the detection head (1) are distributed in a right angle mode, and a fixing groove matched with the main control circuit board (6) is formed in the connector (2).
4. The electro-optical liquid level switch of claim 1, wherein: the connector (2) is located at one end, close to the end cover, of the detection head (1), and a wire groove matched with the connecting wire (3) is formed in one end, far away from the detection head (1), of the connector (2).
5. The electro-optical liquid level switch of claim 1, wherein: the connecting lines (3) and the heat shrinkable tubes (5) are respectively provided with a plurality of linear arrays, and the connecting lines (3) and the heat shrinkable tubes (5) are connected with one end of the connector (2).
6. The electro-optical liquid level switch of claim 1, wherein: the connecting structure is characterized in that a connecting groove matched with the connecting wire (3) is formed in one end of the terminal head (4), and a plurality of terminals are arranged inside the terminal head (4).
7. The electro-optical liquid level switch of claim 1, wherein: one end of the heat shrinkable tube (5) is fixedly connected with the connecting body (2), and the other end of the heat shrinkable tube (5) is fixedly connected with the terminal head (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220236818.3U CN216846447U (en) | 2022-01-28 | 2022-01-28 | Photoelectric liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220236818.3U CN216846447U (en) | 2022-01-28 | 2022-01-28 | Photoelectric liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216846447U true CN216846447U (en) | 2022-06-28 |
Family
ID=82087500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220236818.3U Expired - Fee Related CN216846447U (en) | 2022-01-28 | 2022-01-28 | Photoelectric liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216846447U (en) |
-
2022
- 2022-01-28 CN CN202220236818.3U patent/CN216846447U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |