CN87204593U - Perpendicularity detecting apparatus for building - Google Patents
Perpendicularity detecting apparatus for building Download PDFInfo
- Publication number
- CN87204593U CN87204593U CN 87204593 CN87204593U CN87204593U CN 87204593 U CN87204593 U CN 87204593U CN 87204593 CN87204593 CN 87204593 CN 87204593 U CN87204593 U CN 87204593U CN 87204593 U CN87204593 U CN 87204593U
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- CN
- China
- Prior art keywords
- circuit
- buildings
- lamp
- verticality
- zero clearing
- 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.)
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses a perpendicularity detecting apparatus for building. The existing perpendicularity detecting apparatus usually adopts a mechanical pointer type or older plummet plate, which has poor precision and complex operation and is easy to be affected by exterior. The utility model is characterized in that the center of the lower part of an angle cylinder is provided with a heavy bob, with the weight of theheavy bob, a baffle can be driven to shade the light via the weight of the heavy bob. The electrical signal converted by the light is provided with amplifying function, the electrical signal can be converted into digital quantity through amplifying and zeroing and then be changed into digital displaying. Owing to different swing position of the pendulum, the light shading quantity of the baffle is difference, and the size of the correspondingly converted electrical signal is different. The electrical signal is corresponding to the displacement of the pendulum and is linear. The utility model has the advantages of convenient operation, high precision and digital displaying.
Description
The utility model relates to a kind of verticality tester of buildings.
Jap.P. JP-80-17469 has introduced pointer tester, promptly utilizes the weight of weight, drives the beat of pointer.At the pointer back side index dial is set.Along with the diverse location of the beat of pointer, there is corresponding scale to read, because pointer length is limited, so measuring accuracy is not high.Owing to be, also easily bring reading error again from the index dial read off.
A kind of buildings verticality tester has been introduced by east, Wenzhou instrument plant on the magazine of " building knowledge " (86,1).Mainly the principle of amplifying with lever still adopts pointer to show.
The utility model purpose of design is to overcome the shortcoming of two kinds of method of testings in the above-mentioned technology, designs a kind of buildings verticality tester that precision height, electronics show that has.
The purpose of this utility model reaches by following approach.In tube bottom, angle, a small circular pendulum is set, pendulum drives plate washer, in the plate washer both sides light-to-current inversion mechanism and circuit board is set, and electrooptical device is arranged on the plate washer both sides.Zero clearing, clock circuit are set on the parallel position of pendulum fork, the amplification clear circuit is set at the middle part, the upper end is provided with a/D converter circuit, counting, decoding, display circuit, also is provided with to lean forward, hypsokinesis, surpass 20 circuit for lamp.Along with plate washer swing, illumination from less to more, corresponding electric signal grows from weak to strong, numeral shows ascending.Also promptly along with verticality changes, corresponding the changing of numeral size reaches our test purpose.
Description of drawings of the present utility model:
Figure one is the main pseudosection of the utility model buildings verticality tester.Be to hang over the machine lower central by pendulum (8) by fork (7), bearing (6), plate washer (9) fuses with pendulum (8).Pendulum (8) swing is big or small, shuts out the light by plate washer and how much reflects.A/D converter circuit (2) is housed in angle tube (11), and zero clearing, clock circuit (5) amplify, zeroing circuit (4), the forward and backward lamp that inclines, surpass 20 circuit for lamp (3) and counting, decoding, display circuit (1).Power switch (10), switch (12), zero clearing button (13), light-power conversion circuit (14) also are housed.
Figure two is a circuit block diagram.
Light-electric transition element is equipped with in plate washer (9) both sides.Along with wall degree of tilt difference, the pendulum displacement is also different, thereby then illumination also changes---and electric signal also changes, through amplification, zeroing, analog-to-digital conversion, counting-decoding, show through display circuit.In other words, every corresponding displacement a is by then there being a digital quantity N corresponding with it after the conversion.Digital quantity N is directly proportional with displacement a.
Figure two label declarations: 1
aBe the light-power conversion circuit that leans forward, 1
a' hypsokinesis light-power conversion circuit; 2
aBe amplification, the clear circuit of leaning forward, 2
a' be hypsokinesis amplification, clear circuit; 3
aBe the a/D converter circuit that leans forward, 3
a' be the hypsokinesis a/D converter circuit; 4
aBe counting circuit; 5
aBe decoding scheme; 6
aBe display circuit; 7a is the lamp zeroing circuit that leans forward; 7
a' be hypsokinesis lamp zeroing circuit; 8
aBe the lamp a/D converter circuit that leans forward, 8
a' be hypsokinesis lamp a/D converter circuit; 9
aBe the lamp gate circuit that leans forward; 9
a' be hypsokinesis lamp gate circuit; 10
aBe the indicator light circuit that leans forward, 10
a' be the hypsokinesis indicator light circuit; 12
aBe clear circuit; B is the trigger reset signal; E is the counter O reset signal; F is integrator zero clearing, negative reference signal.
Figure three is the utility model electrical schematic diagram: 11
aBe clock signal generator; G is the integrator output signal; H is hypsokinesis light-electric conversion, zeroing, amplifying signal; S
1Be the lock lamp gate signal that leans forward; S
2Be lock hypsokinesis lamp gate signal.
Make a brief description with regard to several main circuit principle of work below:
(1), integrator A
5Produce ramp voltage, comparer A
4When input voltage is equal to or less than ramp voltage, with step-by-step counting control gate Y
1Close and (pass through T
1).(2) polarity is that positive starting impulse passes through integrating resistor R
20With diode D
4Produce resetting current I and force integrator to reset, because diode D
4Make almost reset-to-zero of integrating capacitor both end voltage, starting impulse one disappears integrator A
5Just at negative reference voltage-E
jEffect produce down the forward ramp voltage, till the output voltage of integration amplifier reaches the forward saturation voltage.
(3), comparer A
4Output voltage U
Sc1Be used for control gate T
1Switching.
(4), A
4The output electronegative potential, control gate T
1Open, time clock is by door Y
1Enter counter.Counting beginning, when ramp voltage linear growth during to input voltage, A
4Output becomes noble potential by electronegative potential, passes through T
1With Y
1Close, stop counting, finish linear transformation.
(5), integrator A
5-E
jEffect down, by nil product to input voltage U
SrRequired time T is:
T＝ (R
fC
F)/(|-E
j|) U
sr
(6), if clock frequency is f
j, then the counting N of counter can be expressed as:
N＝Tf
j＝ (R
fC
ff
j)/(|-E
j|) U
sr
(7), input voltage U
SrMaximal value must not surpass the rated output voltage of integration amplifier, otherwise comparer A
4To export electronegative potential all the time, counting control gate Y
1All the time open, counter will ceaselessly be counted.
Figure five is a clear circuit fundamental diagram of the present utility model.
This clear circuit has three groups: the zero clearing of (one) trigger, and reset signal is B; (2) counter O reset, reset signal are E; (3) integrator zero clearing, reset signal are G.(1), (two) be known, showing the integrator zero clearing that talks again.Integrator zero clearing voltage request is greater than 45V and just can makes integrating capacitor both end voltage reset-to-zero than higher.When zero clearing voltage one disappears, the negative reference voltage that then transfers integrator at once to (3V).
(1), during zero clearing, Y
3The output noble potential, T
2Saturated, positive 5V power supply is to a point, through R
24, R
25After the dividing potential drop, because collector current is very little, so easily satisfy T
3Saturated, again, because T
5Be an emitter follower, a point (0.3V) arrives the L point (2.8V), through R
26, R
27aAfter the dividing potential drop, T
4End.
(2), integration begins: zero clearing is once withdrawing from, and the going up of time clock jumped along making Q output electronegative potential, thus Y
2The output noble potential, Y
3The output electronegative potential, at this moment, T
2End.Because V
2Current potential is constant substantially.Behind each electric resistance partial pressure, T
3End.T
4Saturated.Because T
3, T
4Alternately saturated, end.Inverting input required voltage when having satisfied integrator zero clearing and integration.
Figure six for lean forward, hypsokinesis circuit for lamp schematic diagram:
Lean forward, the hypsokinesis circuit for lamp, structure is consistent, mainly also is made of analog-digital converter.When the light that leans forward-power conversion circuit work--output is arranged, and then light-the power conversion circuit of hypsokinesis is output as zero.The a/D converter circuit that leans forward is action earlier, and the comparer upset makes circuit for lamp work by the lamp gate circuit, and the lamp that leans forward is bright.At the same time, circuit for lamp sends an electronegative potential, and the lamp gate circuit of hypsokinesis is closed.Afterwards, the a/D converter circuit of hypsokinesis had both made action, and the hypsokinesis lamp is also no longer bright.Otherwise if the wall hypsokinesis, reason is also identical, and wall tilts to surpass more than 20 millimeters, counts then meaningless.
As figure seven, during design, show with pilot lamp.When counting is 0, units, ten the time, lamp does not work, Oc has carry (to contain 20) when counting surpasses 20, the J-K flip flop upset, lamp is bright, d type flip flop is made switch gate signal during work, counter output Oc makes trigger pip.
Figure eight is light-power conversion circuit, known circuits.
Counting, decoding, display circuit, and amplification, zeroing circuit are known.
The utility model compared with prior art, significantly advantage is:
1, is not subjected to ectocine, the measuring accuracy height.
2, the digital demonstration, test is (being not more than one second) rapidly after the zero clearing, easy to operate.
Claims (7)
1, a kind of buildings tester that is used for, buildings verticality tester particularly, be by angle tube [11], pendulum [8], fork [7], plate washer [9] and photoelectric commutator, form with circuit board, it is characterized in that electrooptical device is arranged on the both sides of plate washer [9], parallel position at pendulum [8] fork [7] is provided with zero clearing, clock circuit [5], a/D converter circuit [2], at angle tube middle part amplification, zeroing circuit [4] are set, the upper end is provided with a/D converter circuit [2], counting-decoding-display circuit [1], the hypsokinesis of leaning forward in addition, surpasses 20 circuit for lamp [3].
2, buildings verticality tester according to claim 1 is characterized in that the voltage of light-power conversion circuit output is amplified to suitable digital quantity by amplification, zeroing circuit.
3, buildings verticality tester according to claim 1 is characterized in that including integrator A on the a/D converter circuit (2)
5, integrating capacitor C
1, integrating resistor R
20, diode D
4D
3With counting control gate T
1, Y
1
4, according to the described buildings verticality of claim 1 tester, it is characterized in that clear circuit (5), clear circuit has three groups, trigger zero clearing, counter O reset, integrator zero clearing.
5, buildings verticality tester according to claim 4 is characterized in that integration clear circuit (5) zero clearing one when integration withdraws from, and the going up of time clock jumped along making d type flip flop Q output electronegative potential, thus Y
2Output HIGH voltage, Y
3Output electronegative potential, T at this moment
2End T
4Saturated, T
3End.
6, construction thing verticality tester according to claim 1 is characterized in that leaning forward, hypsokinesis circuit for lamp (3) adopts the action earlier of the bright circuit for lamp of a/D converter circuit (2), and sends signal, and closing should bright circuit for lamp.
7, buildings verticality tester according to claim 1 is characterized in that surpassing 20 indicator light circuits (3) and adopts J-K flip flop, the double D trigger Q end switch that tens is used, closes gate signal, makes trigger pip with the output terminal Oc of counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87204593 CN87204593U (en) | 1987-09-05 | 1987-09-05 | Perpendicularity detecting apparatus for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87204593 CN87204593U (en) | 1987-09-05 | 1987-09-05 | Perpendicularity detecting apparatus for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87204593U true CN87204593U (en) | 1988-05-04 |
Family
ID=4820451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87204593 Withdrawn CN87204593U (en) | 1987-09-05 | 1987-09-05 | Perpendicularity detecting apparatus for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87204593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132487A1 (en) * | 2008-04-30 | 2009-11-05 | 常州华达科捷光电仪器有限公司 | A non-contact optoelectronic sensing device |
| CN106744390A (en) * | 2017-02-28 | 2017-05-31 | 四川理工学院 | A kind of tower crane automatic-balancing controller |
-
1987
- 1987-09-05 CN CN 87204593 patent/CN87204593U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132487A1 (en) * | 2008-04-30 | 2009-11-05 | 常州华达科捷光电仪器有限公司 | A non-contact optoelectronic sensing device |
| CN106744390A (en) * | 2017-02-28 | 2017-05-31 | 四川理工学院 | A kind of tower crane automatic-balancing controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |