CN2436101Y - Electronic squeeze dynamometer - Google Patents
Electronic squeeze dynamometer Download PDFInfo
- Publication number
- CN2436101Y CN2436101Y CN 00221432 CN00221432U CN2436101Y CN 2436101 Y CN2436101 Y CN 2436101Y CN 00221432 CN00221432 CN 00221432 CN 00221432 U CN00221432 U CN 00221432U CN 2436101 Y CN2436101 Y CN 2436101Y
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- China
- Prior art keywords
- resistance strain
- handle
- shell
- utility
- model
- 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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- Force Measurement Appropriate To Specific Purposes (AREA)
- Measurement Of Force In General (AREA)
Abstract
The utility model discloses an electronic squeeze dynamometer, which is provided with a housing in which a meter assembly is loaded. The utility model is characterized in that a panel arranged at the surface of the housing is provided with a display window and a function button, the lower part of the housing is provided with a grip in which a handle is loaded, the handle is connected with the electrical resistance strain gauge transducer through an adjustment screw rod, and the electrical resistance strain gauge transducer is connected with a signal processing circuit which is connected with the meter assembly. The utility model has the advantages novel and simple structure, reasonable design, convenient operation, portability, stable and reliable work, high measuring precision and low manufacture cost. The utility model has a power cut function and a peak holding function.
Description
This utility model relates to medical science, hygiology technology, is a kind of detection that is used for diagnostic purpose, measurement or record indication, specifically, is the testing fixture of a kind of human body constitution, strength, furtherly, is a kind of device that is used for measuring the grip of staff.
Existing squeeze dynamometer, basically be structures such as employing mechanical type spring pointer-type, these adopt the squeeze dynamometer of mechanical structure, because the problem on the frame for movement, as defective such as fatiguability, the precision of mechanical friction power, spring be low, finally caused big, fragile and inconvenient operation of error in dipping etc., not only influenced the reliability of data, also brought a lot of inconvenience to users.
But the purpose of this utility model provide a kind of can quick metering peak value keep, portable, practical electronic grip meter.
Technical solution of the present utility model is: a kind of electronic grip meter, a shell is arranged, the gauge outfit assembly is housed in the shell, it is characterized in that: display window and function button are arranged on the panel of case surface, handle is arranged at the bottom of shell, and handle is housed in the handle, and handle is connected with resistance strain type sensor in the shell through adjusting screw(rod), resistance strain is connected with signal processing circuit, and signal processing circuit is connected with the gauge outfit assembly.
Resistance strain described in this utility model adopts plate shaped resistance strain type sensor.In signal processing circuit, a central microprocessor is arranged, central microprocessor is connected with preseting amplifier through A/D converter, preseting amplifier is connected with aforementioned resistance strain, central microprocessor also is connected to display device, central microprocessor also is connected to the enter key device, and other has power circuit to be connected with above-mentioned each circuit.Hide on the function key on the panel trade mark is arranged.Folded formula battery as power supply is housed in the shell.
The utility model has the advantages that: adopted plate resistance strain type sensor, but novel structure is simple, reasonable in design, can quick metering, have the maintenance of automatic circuit break function peak value, timing shutdown and the operation of overload deictic function carry very convenient, working stability is reliable, measuring accuracy is high, cost is low.
Below in conjunction with drawings and Examples this utility model is further described:
Fig. 1 is the structural representation of a kind of electronic grip meter of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the functional-block diagram of the signal processing circuit of electronic grip meter of the present utility model;
Fig. 4 is the circuit diagram of electronic grip meter of the present utility model.
Fig. 5 is the structural representation of the plate shaped resistance strain type sensor in the electronic grip meter of the present utility model.
Fig. 1, Fig. 2 have described an embodiment of the present utility model.A shell 19 is arranged in this embodiment, gauge outfit assembly 20 is housed in the shell 19, display window 21 and function button 22 are arranged on the panel 6 on shell 19 surfaces, handle 12 is arranged at the bottom of shell 19, handle 17 is housed in the handle 12, handle 17 is connected with resistance strain type sensor 10 in the shell 19 through adjusting screw(rod), and resistance strain 10 is connected with signal processing circuit 5, and signal processing circuit 5 is connected with gauge outfit assembly 20.Described resistance strain 10 adopts plate shaped resistance strain type sensor.Hide on the function key 22 on the panel 6 trade mark is arranged.Folded formula battery 7 as power supply is housed in the shell 19.
Fig. 3, Fig. 4 have described signal processing circuit, in signal processing circuit, a central microprocessor 31 is arranged, central microprocessor 31 is connected with preseting amplifier 33 through A/D converter 32, preseting amplifier 33 is connected with aforementioned resistance strain 10, central microprocessor 31 also is connected to display device 34, and central microprocessor 31 also is connected to enter key 35 devices, and other has power circuit 36 to be connected with above-mentioned each circuit.
Comprise central microprocessor circuit U 5 (89C1051) in the circuit, display driver circuit U1 (4015), display circuit U7, A/D converter circuit U 10 (4011), operation amplifier circuit U2 (LM324), electrical switch U9 (4066), audion N1, N2, P2, P3, P4, diode D1, D2, D3, capacitor C 1, C2, C7, C8, C9, C12, C13, C14, C15, C16, C17, CU2, CU5, CU9, CU10, resistance R, R1, R3, R4, R5, R6, R7, R8, R9, R10, R12, R13, R17, R20, R21, R22, R23, R24, R25, R26, R27, R31, R32, R33, R34, R49, W2, crystal oscillator XTAL, switch S 1, button K1, battery B1 etc.
Pick off U3 outputs signal to amplifier U2B (LM324), handle to amplifier U2C (LM324), U2A (LM324) and electrical switch U9C (4066), U9D (4066) through electrical switch U9A (4066), U9B (4066), convert umber of pulse to through A/D converter circuit U 10D (4011) etc. again and export central microprocessor circuit U 5 (89C1051) to and carry out date processing, export display to by U1A (4015), U1B (4015), display circuit U7 at last.This circuit power is made up of battery B1 and N1, N2, P2, P3, P4, D1 etc.
After handle is stressed, act on the central authorities of flat pick off by adjusting screw(rod), the pick off stress deformation has destroyed the balance of electric bridge, and export a signal, the voltage signal of millivolt level is after amplifying, become pulse signal by the A/D converter circuit, carry out date processing by the chip microprocessor circuit again, send the output of digital display circuit to show.The shown numerical value of instrument is the grip value.
Fig. 5 has described adoptable plate shaped resistance strain type sensor in this utility model.In the drawings, the dull and stereotyped body 51 that has an alloy aluminum to make has 2 grooves 52 on the dull and stereotyped body 51, resistance strain gage 53 is housed in groove 52, and envelope has silica gel 54 on it.Be connected with lead 55 on the resistance strain gage 53.
Claims (5)
1, a kind of electronic grip meter, a shell is arranged, the gauge outfit assembly is housed in the shell, it is characterized in that: display window and function button are arranged on the panel of case surface, handle is arranged at the bottom of shell, and handle is housed in the handle, and handle is connected with resistance strain type sensor in the shell through adjusting screw(rod), resistance strain is connected with signal processing circuit, and signal processing circuit is connected with the gauge outfit assembly.
2, electronic grip meter according to claim 1 is characterized in that: resistance strain adopts plate shaped resistance strain type sensor.
3, electronic grip meter according to claim 1 and 2, it is characterized in that: in signal processing circuit, a central microprocessor is arranged, central microprocessor is connected with preseting amplifier through A/D converter, preseting amplifier is connected with aforementioned resistance strain, central microprocessor also is connected to display device, and central microprocessor also is connected to the enter key device, and other has power circuit to be connected with above-mentioned each circuit.
4, electronic grip meter according to claim 1 and 2 is characterized in that: hiding on the function key on the panel has trade mark.
5, electronic grip meter according to claim 1 and 2 is characterized in that: the folded formula battery as power supply is housed in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221432 CN2436101Y (en) | 2000-08-14 | 2000-08-14 | Electronic squeeze dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221432 CN2436101Y (en) | 2000-08-14 | 2000-08-14 | Electronic squeeze dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2436101Y true CN2436101Y (en) | 2001-06-27 |
Family
ID=33586322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00221432 Expired - Fee Related CN2436101Y (en) | 2000-08-14 | 2000-08-14 | Electronic squeeze dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2436101Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796120A (en) * | 2016-04-29 | 2016-07-27 | 江苏领康电子科技发展有限公司 | Hand dynamometer |
-
2000
- 2000-08-14 CN CN 00221432 patent/CN2436101Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796120A (en) * | 2016-04-29 | 2016-07-27 | 江苏领康电子科技发展有限公司 | Hand dynamometer |
| CN105796120B (en) * | 2016-04-29 | 2019-05-03 | 江苏领康电子科技发展有限公司 | A kind of gripe dynamometer |
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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 |