CN2284377Y

CN2284377Y - Digital dial gauge

Info

Publication number: CN2284377Y
Application number: CN 96229660
Authority: CN
Inventors: 陆利新; 王传禹
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-04-15
Filing date: 1996-04-15
Publication date: 1998-06-17
Anticipated expiration: 2006-04-15

Abstract

The utility model relates to an improved digital dial gauge. The utility model makes use of a gear driving device in a pointer type mechanical dial gauge; a central gear is provided with a sensing pole sheet by rivets in a coaxial way; the linear displacement measured by a measuring rod can be converted into the angular displacement by the gear driving device of the pointer type mechanical dial gauge and the angular displacement can synchronously be transmitted to the sensing pole sheet; then, the digital measurement can be carried out on the angular displacement on the sensing pole sheet by a universal grating digital displaying device; therefore, the utility model can realize the purposes of the digital display and the automatic output of the data. The utility model can make the original condition that 1000 display equivalent weights are arranged in 1 mm range converted into the condition that 1000 display weights are carried out in the range of 360DGE by the gear driving device and the sensing pole sheet.

Description

Digital clock gauge

The utility model relates to the digital clock gauge of a kind of modified, belongs to fine measuring instrument, can be widely used in the physical dimension of precision measurement displacement and various objects.

Existing digital clock gauge (abroad) though intuitive display, reading accurately and measurement data can export automatically, need in the 1mm scope, be provided with 1000 and show equivalents, so manufacture process requirement height, difficulty are greatly and involve great expense.

The purpose of this utility model be exactly to provide a kind of production technology easy, cheap and keep intuitive display, reading is accurate and the measurement data new digital formula clock gauge of characteristic such as output automatically.

The purpose of this utility model is achieved in that the cogwheel gearing that utilizes in the pointer mechanical dial gauge, pass through the coaxial installation one sensing pole piece of a rivet therein on the heart gear, the displacement of the lines that measuring staff is recorded converts angular displacement to and is delivered to synchronously on the sensing pole piece through the cogwheel gearing of the mechanical dial gauge of pointer-type, by general capacitive grid numeral display device Digital Detecting is carried out in the angular displacement of sensing pole piece again, thereby realize the purpose that numeral shows, data are exported automatically.When measuring staff moves 1mm, central gear rotates 360 ° in the cogwheel gearing, the sensing pole piece also rotates 360 °, the capacitive grid numeral display device is surveyed measurement and the Active crossover number of finishing the measuring staff displacement of the lines by the Lian to the sensing pole piece and is set to 1000 demonstrations of per 360 ° of generations equivalents, thereby obtains the digital clock gauge that resolving power is 0.001mm.Therefore can make existing digital clock gauge need to carry out in the 1mm scope 1000 settings that show equivalents are transformed in 360 ° of scopes by cogwheel gearing and sensing pole piece to be carried out, so manufacture process requirement reduces greatly, difficulty is little and cheap, obtain a kind of novel intuitive display, reading accurately and can be with the measurement data digital clock gauge of output automatically.

Now in conjunction with the accompanying drawings the utility model is further specified:

Fig. 1 is a structural drawing of the present utility model.

Fig. 2 is the structural drawing of sensing pole piece of the present utility model.

As shown in Figure 1, the utility model include chi frame 1, measuring staff 2, table circle 8, panel 9, battery 10, back shroud 11 and by emission pole plate 3, receive pole plate 15, hold grid general purpose I C circuit 6, capacitive grid numeral display device and cogwheel gearing 12 and sensing pole piece 14 that gap pad 7, LCD 5 are formed.Holding grid general purpose I C circuit 6 and LCD 5 is installed in and receives on the pole plate 15 and constitute plane-parallel capacitors and be installed on the base of chi frame 1 by gap pad 7 and emission pole plate 3, in table circle 8 and panel 9 are wrapped in the capacitive grid numeral display device, battery 10 is installed in the chi frame 1 and with back shroud 11 and seals, cogwheel gearing 12 is installed in the base plate reverse side of chi frame 1, and sensing pole piece 14 is then between emission pole plate 3 and reception pole plate 15 and by the central gear 13 coaxial installations of rivet 4 with cogwheel gearing 12.Measuring staff 2 moves during measurement, the rack drives cogwheel gearing 12 that its middle part is shaped on, and the displacement of the lines of measuring staff 2 changes into the angular displacement of central gear 13 and is delivered to synchronously on the sensing pole piece 14.As shown in Figure 2, sensing pole piece 14 is one to have the metallic conduction thin slice in isogonism displacement electrical conducting district and electric shield district, its rotation in plane-parallel capacitor forms the relative variation to the shielding of emission pole plate 3 electric signal, the modulation signal of IC circuit 6 outputs arrives emission pole plate 3, be received pole plate 15 behind the partly shielding effect through sensing pole piece 14 and receive and send back IC circuit 6, finish demodulation, shaping, analog to digital conversion, decoding and directly drive LCD 5 by IC circuit 6 again and show, thereby finish the digital measurement of measuring staff 2 displacements of the lines.Digital clock gauge originally needs to be provided with 1000 and shows equivalent, manufacture process requirement height in the 1mm scope.To show by cogwheel gearing 12 and sensing pole piece 14 that the setting of equivalent changes in 360 ° of scopes now and carry out that physics is made apart from increasing considerably, make that manufacturing process is simple, difficulty is little and with low cost.

The utlity model has that manufacturing process is simple, cost is low, intuitive display, measuring accuracy is high and output data automatically, can be widely used in the physical dimension of precision measurement displacement and various objects and be applied to the online Lian survey of displacement with computer networking.

Claims

1. digital clock gauge, include chi frame 1, measuring staff 2, table circle 8, panel 9, battery 10, back shroud 11 and by the emission pole plate 3, receive pole plate 15, hold grid general purpose I C circuit 6, gap pad 7, the capacitive grid numeral display device that LCD 5 is formed, it is characterized in that also including cogwheel gearing 12 and sensing pole piece 14, described cogwheel gearing 12 is installed in the base plate reverse side of chi frame 1, and sensing pole piece 14 is then at the emission pole plate 3 of capacitive grid numeral display device with receive between the pole plate 15 and by the central gear 13 coaxial installations in rivet 4 and the cogwheel gearing 12.

2. digital clock gauge according to claim 1 is characterized in that described sensing pole piece 15 is one to have the figure metallic conduction thin slice in isogonism displacement electrical conducting district and electric shield district.