CN203364853U - Photoelectric droplet-receiving sensor - Google Patents
Photoelectric droplet-receiving sensor Download PDFInfo
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- CN203364853U CN203364853U CN 201320450075 CN201320450075U CN203364853U CN 203364853 U CN203364853 U CN 203364853U CN 201320450075 CN201320450075 CN 201320450075 CN 201320450075 U CN201320450075 U CN 201320450075U CN 203364853 U CN203364853 U CN 203364853U
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Abstract
The utility model discloses a photoelectric droplet-receiving sensor which comprises a hollow lightproof detection chamber, a circuit chamber, an infrared emitter and an infrared receiver, wherein a liquid passing tube is installed on the upper portion of the detection chamber, the lower portion of the detection chamber is provided with a leaking liquid tube at a position corresponding to the liquid passing tube, the infrared emitter is installed on the sidewall of the detection chamber, the infrared receiver is arranged on the other sidewall of the detection chamber corresponding to the sidewall for installing the infrared emitter, the circuit chamber is connected with the detection chamber and provided with a Wheatstone bridge, the signals of the infrared emitter and the infrared receiver are sent to a signal acquisition and processing device after being processed by the Wheatstone bridge. The photoelectric droplet-receiving sensor is small and convenient, and is agile in sensing, rapid in speed, convenient for use, low in production cost, and easy for production. The circuit of the photoelectric droplet-receiving sensor is based on Wheatstone bridge principle, the housing is integrally produced. The photoelectric droplet-receiving sensor is light, beautiful, cheap and practical, can be produced in mass in a small factory, or made in a laboratory if possible.
Description
Technical field
The utility model biological signal collecting sensor field, relate in particular to photoelectricity and be subject to drip sensor.
Background technology
Rod-type is subject to drip the common equipment that sensor is a kind of being used in the Medical fundamentals teaching---especially in the experiments such as physiology, pharmacology, diease occurrence---.It is the sensing droplet flow in experiment, as the transducer sensor of the liquid such as urine, blood.Mostly be at present and adopt contact and tension pick-up to gather equipment as experiment, the former shortcoming is when drop drips upper two contact point, and drop easily bonds and makes two contact points be difficult for disconnecting, and causes the continuous recording illusion of signal; The latter's shortcoming is after drop drips upper shell fragment, easily, on bonding and shell fragment, causes note to drip unstable inaccurate, and the while, again due to elasticity and the inertia effect of shell fragment, is easily caused the false phenomenon of dripping, and affects the true and validity of experimental data.
Summary of the invention
The purpose of this utility model is: overcome above-mentioned deficiency, provide a kind of respond to sensitive, gather true, small and exquisite photoelectricity convenient, low cost and be subject to drip a sensor.
The utility model solves the technical scheme that its technical matters adopts:
Photoelectricity is subject to drip sensor, comprise sensing chamber 1 and circuit chamber 2, infrared transmitter 5 and infrared remote receiver 6, sensing chamber 1 is the light tight structure of hollow, fluid-through tube is arranged on the top of sensing chamber, in the bottom of sensing chamber, the leakage pipe is equipped with in the position corresponding with fluid-through tube, on a sidewall of sensing chamber, infrared transmitter is housed, on another sidewall of corresponding sensing chamber, infrared remote receiver is housed with it; The circuit chamber is connected with sensing chamber, and the circuit chamber is equipped with Wheatstone bridge, and the signal of infrared transmitter and infrared remote receiver sends to signal acquisition process equipment after Wheatstone bridge is processed.
In order to obtain better technique effect, above-mentioned circuit chamber and sensing chamber are structure as a whole, and comprise independent sealed sensing chamber and circuit chamber mutually; Circuit chamber and the sensing chamber of above-mentioned integrative-structure form by the plastics integrated injection molding; Circuit chamber and the sensing chamber of above-mentioned integrative-structure form by the metal integrated punching; Above-mentioned metal is corrosion resistant metal; Above-mentioned photoelectricity is subject to drip sensor and also has support, and above-mentioned photoelectricity is subject to drip sensor and support is flexibly connected, and facilitates photoelectricity can rotate by a sensor or stretch, and is applicable to the testing sample of diverse location.
The utlity model has that induction is sensitive, speed is fast, small and exquisite convenient, easy to use, low cost, be easy to the advantage such as productions, the utility model is to take Wheatstone bridge as circuit theory, and integrated casing is made, lightly attractive in appearance, cheap practicality.Can produce in batches at semiworks, also can be in laboratory with good conditionsi self manufacture.
The accompanying drawing explanation
Fig. 1 is the utility model Wheatstone bridge circuit figure;
Fig. 2 is the utility model master TV structure schematic diagram;
Fig. 3 is the utility model side-looking structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
Photoelectricity is subject to drip sensor, comprise sensing chamber 1 and circuit chamber 2, infrared transmitter 5 and infrared remote receiver 6, sensing chamber is the light tight structure of hollow, on the top of sensing chamber 1, fluid-through tube 3 is installed, leakage pipe 4 is equipped with in the position corresponding with fluid-through tube 3 in the bottom of sensing chamber 1, on a sidewall of sensing chamber 1, infrared transmitter 5 is housed, on another sidewall of corresponding sensing chamber 1, infrared remote receiver 6 is housed with it; Circuit chamber 2 is connected with sensing chamber 1, circuit chamber 2 is equipped with Wheatstone bridge, the signal of infrared transmitter 5 and infrared remote receiver 6 sends signal to signal acquisition process equipment by data line 8 and data cable plug 9 after Wheatstone bridge is processed, data cable plug 9 is five core plugs, wherein two cores are power lead, one core is ground wire, and other two cores are signal wire.
As optimal design, sensing chamber 1 is structure as a whole with circuit chamber 2, comprises independent sealed sensing chamber 1 and circuit chamber 2 mutually; As optimization, sensing chamber 1 and the circuit chamber 2 of integrative-structure form by the plastics integrated injection molding or form by the metal integrated punching; As optimization, above-mentioned metal is corrosion resistant metal; As optimization, photoelectricity is subject to drip sensor and also has support 7, and photoelectricity is subject to drip sensor and support 7 is flexibly connected; As optimization, hollow in the middle of support 7, data line 8 extends to signal reception place of signal acquisition process equipment through the hollow part in the middle of pole 7, can protected data line 8 avoids accident and involves and damage.
Principle of work of the present utility model is:
Photoelectricity is subject to drip sensor and take Wheatstone bridge as basis, infrared remote receiver 6 receives the infrared light of infrared transmitter 5 emissions, the change in optical signal of the photoresistance of infrared remote receiver 6 induction drop during by sensor also transfers transducing signal to by Wheatstone bridge and outputs to special-purpose System of organism signal, carry out filtering, amplification through System of organism signal again, signal is traced out.
Claims (6)
1. a photoelectricity is subject to drip sensor, comprise sensing chamber and circuit chamber, infrared transmitter and infrared remote receiver, it is characterized in that: sensing chamber is the light tight structure of hollow, fluid-through tube is arranged on the top of sensing chamber, in the bottom of sensing chamber, the leakage pipe is equipped with in the position corresponding with fluid-through tube, on a sidewall of sensing chamber, infrared transmitter is housed, on another sidewall of corresponding sensing chamber, infrared remote receiver is housed with it; The circuit chamber is connected with sensing chamber, and the circuit chamber is equipped with Wheatstone bridge, and the signal of infrared transmitter and infrared remote receiver sends to signal acquisition process equipment after Wheatstone bridge is processed.
2. photoelectricity as claimed in claim 1 is subject to drip sensor, and it is characterized in that: described circuit chamber and sensing chamber are structure as a whole, and comprises independent sealed sensing chamber and circuit chamber mutually.
3. photoelectricity as claimed in claim 2 is subject to drip sensor, and it is characterized in that: circuit chamber and the sensing chamber of described integrative-structure form by the plastics integrated injection molding.
4. photoelectricity as claimed in claim 2 is subject to drip sensor, and it is characterized in that: circuit chamber and the sensing chamber of described integrative-structure form by the metal integrated punching.
5. photoelectricity as claimed in claim 4 is subject to drip sensor, and it is characterized in that: described metal is corrosion resistant metal.
6. photoelectricity as claimed in claim 1 or 2 is subject to drip sensor, it is characterized in that: described photoelectricity is subject to drip sensor and also has support, and described photoelectricity is subject to drip sensor and support is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320450075 CN203364853U (en) | 2013-07-26 | 2013-07-26 | Photoelectric droplet-receiving sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320450075 CN203364853U (en) | 2013-07-26 | 2013-07-26 | Photoelectric droplet-receiving sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364853U true CN203364853U (en) | 2013-12-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320450075 Expired - Fee Related CN203364853U (en) | 2013-07-26 | 2013-07-26 | Photoelectric droplet-receiving sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203364853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795908A (en) * | 2020-08-12 | 2020-10-20 | 淄博纳瑞仪器有限公司 | Kinematic viscosity tester for petroleum products |
-
2013
- 2013-07-26 CN CN 201320450075 patent/CN203364853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795908A (en) * | 2020-08-12 | 2020-10-20 | 淄博纳瑞仪器有限公司 | Kinematic viscosity tester for petroleum products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20131225 Termination date: 20180726 |