CN2285471Y - Apparatus for investigating meat - Google Patents
Apparatus for investigating meat Download PDFInfo
- Publication number
- CN2285471Y CN2285471Y CN 96237136 CN96237136U CN2285471Y CN 2285471 Y CN2285471 Y CN 2285471Y CN 96237136 CN96237136 CN 96237136 CN 96237136 U CN96237136 U CN 96237136U CN 2285471 Y CN2285471 Y CN 2285471Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- triode
- resistance
- detecting device
- collector
- 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.)
- Expired - Fee Related
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- Meat, Egg Or Seafood Products (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a device for detecting the quality of a raw meat class conveniently, which is composed of a casing body, a DC power supply, a switch and a circuit board. A detecting circuit is formed by connecting a switch circuit which is composed of a triode and a resistor and a pulse type oscillating circuit which is composed of a triode, a resistor, a capacitor, a light emitting diode and a buzzer. A measuring electrode is connected with the DC power supply and the switch circuit. Whether raw meat is injected with water or deteriorated can be visually showed by inserting the measuring electrode into the raw meat which needs to be detected.
Description
The utility model relates to a kind of meat quality pick-up unit.
At present, occur some illegal retailers on the market in order to try to gain illegal profit, do not stint the means of taking to the raw meat water filling, even sell putrid and deteriorated meat, food poisoning takes place repeatedly, bring great harm for consumer's health.
Whether the purpose of this utility model is to design a kind of raw meat class that can detect easily by water filling or rotten mass detector.
The utility model is realized in the following way: the utility model is made up of housing, direct supply, switch and wiring board.Testing circuit constitutes for the on-off circuit of being made up of triode BG, resistance R and the pulse oscillation circuit of being made up of triode BG, resistance R, capacitor C, light emitting diode D, hummer H.Potential electrode A, B are connected with on-off circuit.Its principle of work is: potential electrode A, B two ends are inserted raw meat to be measured and are formed resistance R
AB, fresh and during when raw meat not by water filling, R
ABBe high value; When raw meat by water filling or when rotten, because contained electrolyte rolls up and makes R
ABResistance descends, R
ABThe variation of resistance make the triode of on-off circuit produce by or the variation of conducting, and then make pulse oscillation circuit be in work or off working state, thereby cause light emitting diode and hummer to send alerting signal or do not report to the police.
Whether the utility model can identify raw meat rapidly by water filling or rotten, show intuitively by sound and optic signal, and simple in structure, easy to use.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model circuit theory diagrams.
With reference to Fig. 1,2, the meat detecting device is made up of housing 1, direct supply 2, switch 3, wiring board 5.Testing circuit is arranged on the wiring board 5, is made of secondary switch circuit and pulse oscillation circuit.Triode BG1, resistance R 1-5 constitute first order on-off circuit, triode BG
2, resistance R 6 constitutes second level on-off circuits, the collector and emitter of triode BG1 is in parallel with base stage and the emitter of triode BG2 by resistance R 2.Triode BG3-4, resistance R 7-8, capacitor C, light emitting diode D, hummer H constitute pulse oscillation circuit, the collector of triode BG3 links to each other with the base stage of triode BG4, between the collector of capacitor C and base stage that is parallel to triode BG3 after resistance R 8 is connected in series and triode BG4, resistance R 7 is connected between the base stage of the collector of triode BG2 and triode BG3, between the negative pole of light emitting diode D and collector that is parallel to triode BG4 after hummer H is connected in series and direct supply 2.Potential electrode A, B join with the base stage of the triode BG1 of the positive pole of direct supply 2, first order on-off circuit respectively, with the resistance R 3 common base potential dividers that constitute triode BG1.When inserting raw meat to be measured, potential electrode A, B form resistance R
AB, fresh and during when raw meat not by water filling, resistance R
ABBe high value, because its dividing potential drop effect ends triode BG1, triode BG2 conducting simultaneously causes pulse oscillation circuit to be in off working state, and light emitting diode D and hummer H do not send alerting signal.When raw meat by water filling or when rotten, make resistance R because of contained electrolyte rolls up
ABResistance descends, the base potential of triode BG1 raises and is in conducting state, because its collector electromotive force descends triode BG2 is ended simultaneously, this moment, the collector electromotive force of triode BG2 rose, thereby make pulse oscillation circuit in running order, light emitting diode and hummer send light, acoustic alarm signal, show that raw meat is off quality.
In this meat detecting device, direct supply 2 and wiring board 5 are installed in the housing 1, power switch 3 is arranged on a side of housing 1, and whether the position of the loam cake respective leds of housing 1 is used transparent material or had the corresponding hole of size, luminous with convenient observation light emitting diode D.Potential electrode A, B one end are loaded in the housing 1, and the other end stretches out housing 1 or makes telescopic structure, for example adorn one and can just can stretch out on demand or the retraction housing along the handle 4 of housing 1 sidewall slip on potential electrode A, B.But potential electrode is the spicule of being made by conductive material, so that insert raw meat to be measured.Carry for convenience and use, also clasp 6 can be housed at the outer wall of housing 1.
Claims (8)
1, a kind of meat detecting device, comprise housing (1), direct supply (2), switch (3), wiring board (5), it is characterized in that testing circuit is that on-off circuit of being made up of triode BG, resistance R and the pulse oscillation circuit of being made up of triode BG, resistance R, capacitor C, light emitting diode D, hummer H constitute, potential electrode A, B are connected with on-off circuit.
2, detecting device according to claim 1, it is characterized in that its on-off circuit for forming by the first order on-off circuit of triode BG (1), resistance R (1-5) formation with by the second level on-off circuit that triode BG (2), resistance R (6) constitute, the collector and emitter of BG (1) is in parallel with base stage and the emitter of BG (2) by R (2).
3, detecting device according to claim 1, it is characterized in that pulse shakes terminal circuit by triode BG (3-4), resistance R (7-8), capacitor C, light emitting diode D, hummer H constitutes, the collector of BG (3) links to each other with the base stage of BG (4), between the collector of capacitor C and base stage that is parallel to BG (3) after resistance R (8) is connected in series and BG (4), between the negative pole of light emitting diode D and collector that is parallel to BG (4) after hummer H is connected in series and direct supply (2), resistance R (7) is connected between the base stage of the collector of second level on-off circuit triode BG (2) and BG (3).
4, detecting device according to claim 1 is characterized in that potential electrode A, B are connected with the positive pole of direct supply (2), the base stage of first order on-off circuit triode BG (1) respectively.
5, detecting device according to claim 1 is characterized in that potential electrode A, B are the spicules that conductive material is made.
6, detecting device according to claim 1 is characterized in that potential electrode A, B one end are loaded in the housing (1), and the other end stretches out housing (1) or makes Collapsible structure.
7, detecting device according to claim 6, it is characterized in that being equipped with on potential electrode A, the B can be along the handle (4) of housing (1) sidewall slip.
8, detecting device according to claim 1 is characterized in that being equipped with on the housing (1) clasp (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96237136 CN2285471Y (en) | 1996-06-28 | 1996-06-28 | Apparatus for investigating meat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96237136 CN2285471Y (en) | 1996-06-28 | 1996-06-28 | Apparatus for investigating meat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2285471Y true CN2285471Y (en) | 1998-07-01 |
Family
ID=33912798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96237136 Expired - Fee Related CN2285471Y (en) | 1996-06-28 | 1996-06-28 | Apparatus for investigating meat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2285471Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410665C (en) * | 2006-10-27 | 2008-08-13 | 天津出入境检验检疫局动植物与食品检测中心 | Enzyme-linked immune reagent kit for detecting bird and livestock meat heating terminal temperature and its detecting method |
| CN102830208A (en) * | 2012-08-31 | 2012-12-19 | 无锡同春新能源科技有限公司 | Solar cell powered portable water-injected meat detector |
-
1996
- 1996-06-28 CN CN 96237136 patent/CN2285471Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410665C (en) * | 2006-10-27 | 2008-08-13 | 天津出入境检验检疫局动植物与食品检测中心 | Enzyme-linked immune reagent kit for detecting bird and livestock meat heating terminal temperature and its detecting method |
| CN102830208A (en) * | 2012-08-31 | 2012-12-19 | 无锡同春新能源科技有限公司 | Solar cell powered portable water-injected meat detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |