CN104596689A - Digital strain torque sensor based on multifunctional speed signal processing circuit - Google Patents
Digital strain torque sensor based on multifunctional speed signal processing circuit Download PDFInfo
- Publication number
- CN104596689A CN104596689A CN201510046651.9A CN201510046651A CN104596689A CN 104596689 A CN104596689 A CN 104596689A CN 201510046651 A CN201510046651 A CN 201510046651A CN 104596689 A CN104596689 A CN 104596689A
- Authority
- CN
- China
- Prior art keywords
- circuit
- triode
- resistance
- pole
- diode
- 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.)
- Pending
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a digital strain torque sensor based on a multifunctional speed signal processing circuit. The digital strain torque sensor is characterized by mainly comprising a torsion bar (1), a current collector (3) arranged on the torsion bar (1), a strain piece glued on the torsion bar (1) and connected with the current collector (3), an oscillator (4) connected with the current collector (3), a multifunctional speed signal processing circuit (5), and a displayer (6) connected with the multifunctional speed signal processing circuit (5), wherein the multifunctional speed signal processing circuit (5) consists of a signal amplitude limiting circuit (51), a signal screening circuit (52) connected with the signal amplitude limiting circuit (51), a Schmidt trigger circuit (53) connected with the signal screening circuit (52), an integration circuit (54), etc. According to the digital strain torque sensor provided by the invention, the speed signal can be processed by the multifunctional speed signal processing circuit, so that the measuring precision of the sensor is higher.
Description
Technical field
The present invention relates to a kind of sensor, specifically refer to the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit.
Background technology
Along with the fast development of modern science and technology, torque measurement techniques has become the new branch of measuring technology.The application of torque measurement is more and more extensive, arrive greatly aircraft, as oceangoing ship, drilling well, generating set and metallurgical and mining equipment etc., littlely arrive micromotor, household electrical appliance and clock and watch etc.Torque measurement is the requisite contents such as various mechanical new product development, quality inspection, optimal control, monitoring of working condition and fault diagnosis.Meanwhile, the rotating speed of all right measuring equipment of sensor, is therefore applied in the middle of a lot of equipment debugging.
Along with the significantly lifting of economic strength and technology injustice, the equipment and technology in civilian and national defence is more and more advanced, and equipment debugging requires more and more higher, and this is then higher to the requirement of torque sensor.Its tachometric survey precision of strain-type torque sensor traditional is at present not high, does not reach Production requirement.Therefore, provide a kind of can high precision to measure the strain-type torque sensor of rotating speed be then the task of top priority.
Summary of the invention
The object of the invention is to overcome the not high defect of traditional its tachometric survey precision of strain-type torque sensor, a kind of digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit is provided.
Object of the present invention is achieved through the following technical solutions: based on the digitizing strain-type torque sensor of Multifunctional revolution speed signal modulate circuit, primarily of torsion shaft, be arranged on the collector ring in torsion shaft, be pasted onto the foil gauge be connected in torsion shaft and with collector ring, the oscillator be connected with collector ring and Multifunctional revolution speed signal modulate circuit, and the display instrument be connected with Multifunctional revolution speed signal modulate circuit forms; Described Multifunctional revolution speed signal modulate circuit is by signal limiter circuit, the signal screening circuit be connected with signal limiter circuit, the schmidt trigger circuit be connected with signal screening circuit and integrating circuit, the differentiating circuit be connected with schmidt trigger circuit and micro-processor interface circuit, the monostable multiplex circuit be simultaneously connected with integrating circuit and differentiating circuit forms.
Further, described signal limiter electricity routing amplifier P, triode VT1, triode VT2, one end is connected with the negative pole of amplifier P, the resistance R2 of other end ground connection, be serially connected in the resistance R3 between the negative pole of amplifier P and output stage, one end is connected with the positive pole of amplifier P, the other end is then as the resistance R1 of an input end of circuit, positive pole is connected with the positive pole of amplifier P, the polar capacitor C1 that negative pole is then connected with the collector of triode VT1, N pole is connected with signal screening circuit, the diode D2 that P pole is connected with the collector of triode VT2, one end is connected with the emitter of triode VT1, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2, the diode D1 of N pole ground connection, one end is connected with the emitter of triode VT1, the resistance R5 that the other end is connected with the N pole of diode D1 forms, the output stage of described amplifier P is connected with signal screening circuit.
Described signal screening circuit comprises resistance R4, resistance R7, diode D3, polar capacitor C2, field effect transistor Q; The positive pole of polar capacitor C2 is connected with the source electrode of field effect transistor Q, its negative pole is then connected with integrating circuit, and the grid of field effect transistor Q is connected with the output stage of amplifier P after resistance R4, its source electrode is also connected with the N pole of diode D2, draining then is connected with schmidt trigger circuit after resistance R7 through diode D3 in turn.
Described schmidt trigger circuit is by Sheffer stroke gate K1, triode VT3, the P pole diode D4 that ground connection, N pole are then connected with the base stage of triode VT3 after polar capacitor C3, the resistance R12 that one end is connected with the base stage of triode VT3, the other end is connected with the output stage of Sheffer stroke gate K1, and the resistance R13 that one end is connected with the collector of triode VT3, the other end is connected with micro-processor interface circuit forms; The normal phase input end of described Sheffer stroke gate K1 is all connected with the collector of triode VT3 with inverting input, its output stage is connected with differentiating circuit, and the base stage of triode VT3 is connected with resistance R7, emitter is connected with integrating circuit.
Described integrating circuit is by triode VT4, N pole is connected with monostable multiplex circuit, P pole is then in turn through diode D5 that polar capacitor C5 is connected with the emitter of triode VT3 after resistance R10 and resistance R9, the resistance R8 that one end is connected with the collector of triode VT4, the other end is connected with the base stage of triode VT4, and the polar capacitor C4 that positive pole is connected with the emitter of triode VT4, negative pole is connected with the N pole of diode D5 after resistance R11 forms; The base stage of described triode VT4 is connected with the negative pole of polar capacitor C2, collector is connected with the tie point of resistance R10 with resistance R9.
Described differentiating circuit comprises Sheffer stroke gate K2, Sheffer stroke gate K3, diode D6, polar capacitor C6; The P pole of diode D6 is connected with the output stage of Sheffer stroke gate K1, its N pole is then connected with the normal phase input end of Sheffer stroke gate K3, the positive pole of polar capacitor C6 is connected with the inverting input of Sheffer stroke gate K3, its minus earth, the normal phase input end of Sheffer stroke gate K2 is all connected with the P pole of diode D6 with inverting input, its output stage is then connected with the positive pole of polar capacitor C6, and the output stage of Sheffer stroke gate K3 is connected with monostable multiplex circuit.
Described micro-processor interface circuit comprises triode VT5, diode D7, resistance R14; The N pole of diode D7 is connected with the base stage of triode VT5, its P pole ground connection, one end of resistance R14 is connected with the base stage of triode VT5, the other end is then connected with the collector of triode VT5, more the emitter of triode VT5 is wiped oscillatory circuit with resistance R13 and monostable simultaneously and is connected, and collector is as circuit one output terminal.
Described monostable multiplex circuit comprises vibration chip U, Sheffer stroke gate K4, resistance R15, resistance R16, polar capacitor C7, the minus earth of polar capacitor C7, its positive pole is then connected with the emitter of triode VT5 after resistance R15, the normal phase input end of Sheffer stroke gate K4 is all connected with the OUT pin of vibration chip U with inverting input, its output terminal then after resistance R16 as another output terminal of circuit, the RE pin of vibration chip U is all connected with the emitter of triode VT5 with VCC pin, its TRIG pin is connected with the output terminal of Sheffer stroke gate K3, CONT pin is connected with the N pole of diode D5, ground connection while GND pin is connected with its CONT pin, its THR pin is all connected with the positive pole of polar capacitor C7 with DIS pin.
Described vibration chip U is NE555 integrated circuit.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) the present invention is processed tach signal by Multifunctional revolution speed signal modulate circuit, thus makes the measurement accuracy of sensor higher.
(2) the present invention adopts NE555 integrated chip, makes sensor more stable.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the structural representation of Multifunctional revolution speed signal modulate circuit of the present invention.
Reference numeral name in above accompanying drawing is called:
1-torsion shaft, 2-foil gauge, 3-collector ring, 4-oscillator, 5-Multifunctional revolution speed signal modulate circuit, 6-display instrument, 51-signal limiter circuit, 52-signal screening circuit, 53-schmidt trigger circuit, 54-integrating circuit, 55-differentiating circuit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, the present invention is primarily of the torsion shaft 1 as electro-mechanical conversion element, be arranged on the collector ring 3 in torsion shaft 1, be pasted onto the foil gauge 2 be connected in torsion shaft 1 and with collector ring 3, the oscillator 4 be connected with collector ring 3 and Multifunctional revolution speed signal modulate circuit 5, and the display instrument 6 be connected with Multifunctional revolution speed signal modulate circuit 5 forms.
During work, torsion shaft 1 is arranged on equipment under test, when equipment under test rotates, torsion shaft 1 is driven, then measures the rotating speed of torsion shaft 1 by foil gauge 2, and signal is flowed to collector ring 3.The effect of collector ring 3 is drawn from the torsion shaft 1 be rotating by the lead-in wire of foil gauge 2, and the tach signal that namely foil gauge 2 collects is transferred to oscillator 4 and Multifunctional revolution speed signal modulate circuit 5 by collector ring 3.Tach signal exports to display instrument 6 again after Multifunctional revolution speed signal modulate circuit 5 processes, and testing result can be made so more accurate.
This Multifunctional revolution speed signal modulate circuit 5 is emphasis place of the present invention, as shown in Figure 2, it is by signal limiter circuit 51, the signal screening circuit 52 be connected with signal limiter circuit 51, the schmidt trigger circuit 53 be connected with signal screening circuit 52 and integrating circuit 54, the differentiating circuit 55 be connected with schmidt trigger circuit 53 and micro-processor interface circuit 56, the monostable multiplex circuit 57 be simultaneously connected with integrating circuit 54 and differentiating circuit 55 forms.
This signal limiter circuit 51 can be limited in tach signal in certain frequency range, avoids the interference because frequency jitter causes.It is by amplifier P, triode VT1, triode VT2, one end is connected with the negative pole of amplifier P, the resistance R2 of other end ground connection, be serially connected in the resistance R3 between the negative pole of amplifier P and output stage, one end is connected with the positive pole of amplifier P, the other end is then as the resistance R1 of an input end of circuit, positive pole is connected with the positive pole of amplifier P, the polar capacitor C1 that negative pole is then connected with the collector of triode VT1, N pole is connected with signal screening circuit 52, the diode D2 that P pole is connected with the collector of triode VT2, one end is connected with the emitter of triode VT1, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2, the diode D1 of N pole ground connection, one end is connected with the emitter of triode VT1, the resistance R5 that the other end is connected with the N pole of diode D1 forms, the output stage of described amplifier P is connected with signal screening circuit 52.
Signal screening circuit 52 comprises resistance R4, resistance R7, diode D3, polar capacitor C2, field effect transistor Q.During connection, the positive pole of polar capacitor C2 is connected with the source electrode of field effect transistor Q, its negative pole is then connected with integrating circuit 54, and the grid of field effect transistor Q is connected with the output stage of amplifier P after resistance R4, its source electrode is also connected with the N pole of diode D2, draining then is connected with schmidt trigger circuit 53 after resistance R7 through diode D3 in turn.
Can there is wave form distortion in signal pulse, and schmidt trigger circuit 53 can carry out shaping to signal pulse after transmission, thus obtain more satisfactory rect.p. waveform.This schmidt trigger circuit 53 is by Sheffer stroke gate K1, triode VT3, the P pole diode D4 that ground connection, N pole are then connected with the base stage of triode VT3 after polar capacitor C3, the resistance R12 that one end is connected with the base stage of triode VT3, the other end is connected with the output stage of Sheffer stroke gate K1, and the resistance R13 that one end is connected with the collector of triode VT3, the other end is connected with micro-processor interface circuit 56 forms.The normal phase input end of described Sheffer stroke gate K1 is all connected with the collector of triode VT3 with inverting input, its output stage is connected with differentiating circuit 55, and the base stage of triode VT3 is connected with resistance R7, emitter is connected with integrating circuit 54.
Described integrating circuit 54 is by triode VT4, N pole is connected with monostable multiplex circuit 57, P pole is then in turn through diode D5 that polar capacitor C5 is connected with the emitter of triode VT3 after resistance R10 and resistance R9, the resistance R8 that one end is connected with the collector of triode VT4, the other end is connected with the base stage of triode VT4, and the polar capacitor C4 that positive pole is connected with the emitter of triode VT4, negative pole is connected with the N pole of diode D5 after resistance R11 forms; The base stage of described triode VT4 is connected with the negative pole of polar capacitor C2, collector is connected with the tie point of resistance R10 with resistance R9.
Described differentiating circuit 55 comprises Sheffer stroke gate K2, Sheffer stroke gate K3, diode D6, polar capacitor C6.During connection, the P pole of diode D6 is connected with the output stage of Sheffer stroke gate K1, its N pole is then connected with the normal phase input end of Sheffer stroke gate K3, the positive pole of polar capacitor C6 is connected with the inverting input of Sheffer stroke gate K3, its minus earth, the normal phase input end of Sheffer stroke gate K2 is all connected with the P pole of diode D6 with inverting input, its output stage is then connected with the positive pole of polar capacitor C6, and the output stage of Sheffer stroke gate K3 is connected with monostable multiplex circuit 57.
Described micro-processor interface circuit 56 comprises triode VT5, diode D7, resistance R14; The N pole of diode D7 is connected with the base stage of triode VT5, its P pole ground connection, one end of resistance R14 is connected with the base stage of triode VT5, the other end is then connected with the collector of triode VT5, more the emitter of triode VT5 is wiped oscillatory circuit 57 with resistance R13 and monostable simultaneously and is connected, and collector is as circuit one output terminal.
Described monostable multiplex circuit 57 comprises vibration chip U, Sheffer stroke gate K4, resistance R15, resistance R16, polar capacitor C7.During connection, minus earth, its positive pole of polar capacitor C7 are then connected with the emitter of triode VT5 after resistance R15, the normal phase input end of Sheffer stroke gate K4 and inverting input are all connected with the OUT pin of vibration chip U, its output terminal then after resistance R16 as another output terminal of circuit, two output terminals are then connected with display instrument 6.Meanwhile, ground connection, its THR pin while RE pin is all connected with the emitter of triode VT5 with VCC pin, its TRIG pin is connected with the output terminal of Sheffer stroke gate K3, CONT pin is connected with the N pole of diode D5, GND pin is connected with its CONT pin of chip U of vibrating all is connected with the positive pole of polar capacitor C7 with DIS pin.In order to better implement the present invention, this vibration chip U is NE555 integrated circuit.
As mentioned above, just well the present invention can be realized.
Claims (9)
1. based on the digitizing strain-type torque sensor of Multifunctional revolution speed signal modulate circuit, it is characterized in that: primarily of torsion shaft (1), be arranged on the collector ring (3) in torsion shaft (1), be pasted onto torsion shaft (1) to go up and the foil gauge (2) be connected with collector ring (3), the oscillator (4) be connected with collector ring (3) and Multifunctional revolution speed signal modulate circuit (5), and the display instrument (6) be connected with Multifunctional revolution speed signal modulate circuit (5) forms; Described Multifunctional revolution speed signal modulate circuit (5) is by signal limiter circuit (51), the signal screening circuit (52) be connected with signal limiter circuit (51), the schmidt trigger circuit (53) be connected with signal screening circuit (52) and integrating circuit (54), the differentiating circuit (55) be connected with schmidt trigger circuit (53) and micro-processor interface circuit (56), the monostable multiplex circuit (57) be simultaneously connected with integrating circuit (54) and differentiating circuit (55) forms.
2. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 1, it is characterized in that: described signal limiter circuit (51) is by amplifier P, triode VT1, triode VT2, one end is connected with the negative pole of amplifier P, the resistance R2 of other end ground connection, be serially connected in the resistance R3 between the negative pole of amplifier P and output stage, one end is connected with the positive pole of amplifier P, the other end is then as the resistance R1 of an input end of circuit, positive pole is connected with the positive pole of amplifier P, the polar capacitor C1 that negative pole is then connected with the collector of triode VT1, N pole is connected with signal screening circuit (52), the diode D2 that P pole is connected with the collector of triode VT2, one end is connected with the emitter of triode VT1, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2, the diode D1 of N pole ground connection, one end is connected with the emitter of triode VT1, the resistance R5 that the other end is connected with the N pole of diode D1 forms, the output stage of described amplifier P is connected with signal screening circuit (52).
3. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 2, is characterized in that: described signal screening circuit (52) comprises resistance R4, resistance R7, diode D3, polar capacitor C2, field effect transistor Q; The positive pole of polar capacitor C2 is connected with the source electrode of field effect transistor Q, its negative pole is then connected with integrating circuit (54), and the grid of field effect transistor Q is connected with the output stage of amplifier P after resistance R4, its source electrode is also connected with the N pole of diode D2, draining then is connected with schmidt trigger circuit (53) after resistance R7 through diode D3 in turn.
4. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 3, it is characterized in that: described schmidt trigger circuit (53) is by Sheffer stroke gate K1, triode VT3, the P pole diode D4 that ground connection, N pole are then connected with the base stage of triode VT3 after polar capacitor C3, the resistance R12 that one end is connected with the base stage of triode VT3, the other end is connected with the output stage of Sheffer stroke gate K1, and the resistance R13 that one end is connected with the collector of triode VT3, the other end is connected with micro-processor interface circuit (56) forms; The normal phase input end of described Sheffer stroke gate K1 is all connected with the collector of triode VT3 with inverting input, its output stage is connected with differentiating circuit (55), and the base stage of triode VT3 is connected with resistance R7, emitter is connected with integrating circuit (54).
5. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 4, it is characterized in that: described integrating circuit (54) is by triode VT4, N pole is connected with monostable multiplex circuit (57), P pole is then in turn through diode D5 that polar capacitor C5 is connected with the emitter of triode VT3 after resistance R10 and resistance R9, one end is connected with the collector of triode VT4, the resistance R8 that the other end is connected with the base stage of triode VT4, and positive pole is connected with the emitter of triode VT4, the polar capacitor C4 that negative pole is connected with the N pole of diode D5 after resistance R11 forms, the base stage of described triode VT4 is connected with the negative pole of polar capacitor C2, collector is connected with the tie point of resistance R10 with resistance R9.
6. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 5, is characterized in that: described differentiating circuit (55) comprises Sheffer stroke gate K2, Sheffer stroke gate K3, diode D6, polar capacitor C6; The P pole of diode D6 is connected with the output stage of Sheffer stroke gate K1, its N pole is then connected with the normal phase input end of Sheffer stroke gate K3, the positive pole of polar capacitor C6 is connected with the inverting input of Sheffer stroke gate K3, its minus earth, the normal phase input end of Sheffer stroke gate K2 is all connected with the P pole of diode D6 with inverting input, its output stage is then connected with the positive pole of polar capacitor C6, and the output stage of Sheffer stroke gate K3 is connected with monostable multiplex circuit (57).
7. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 6, is characterized in that: described micro-processor interface circuit (56) comprises triode VT5, diode D7, resistance R14; The N pole of diode D7 is connected with the base stage of triode VT5, its P pole ground connection, one end of resistance R14 is connected with the base stage of triode VT5, the other end is then connected with the collector of triode VT5, more the emitter of triode VT5 is wiped oscillatory circuit (57) with resistance R13 and monostable simultaneously and is connected, and collector is as circuit one output terminal.
8. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 7, it is characterized in that: described monostable multiplex circuit (57) comprises vibration chip U, Sheffer stroke gate K4, resistance R15, resistance R16, polar capacitor C7, the minus earth of polar capacitor C7, its positive pole is then connected with the emitter of triode VT5 after resistance R15, the normal phase input end of Sheffer stroke gate K4 is all connected with the OUT pin of vibration chip U with inverting input, its output terminal then after resistance R16 as another output terminal of circuit, the RE pin of vibration chip U is all connected with the emitter of triode VT5 with VCC pin, its TRIG pin is connected with the output terminal of Sheffer stroke gate K3, CONT pin is connected with the N pole of diode D5, ground connection while GND pin is connected with its CONT pin, its THR pin is all connected with the positive pole of polar capacitor C7 with DIS pin.
9. the digitizing strain-type torque sensor based on Multifunctional revolution speed signal modulate circuit according to claim 8, is characterized in that: described vibration chip U is NE555 integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046651.9A CN104596689A (en) | 2015-01-29 | 2015-01-29 | Digital strain torque sensor based on multifunctional speed signal processing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046651.9A CN104596689A (en) | 2015-01-29 | 2015-01-29 | Digital strain torque sensor based on multifunctional speed signal processing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104596689A true CN104596689A (en) | 2015-05-06 |
Family
ID=53122615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510046651.9A Pending CN104596689A (en) | 2015-01-29 | 2015-01-29 | Digital strain torque sensor based on multifunctional speed signal processing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104596689A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865066A (en) * | 2015-05-17 | 2015-08-26 | 成都诚邦动力测试仪器有限公司 | Gearbox test system based on pulse trigger circuit |
| CN106644196A (en) * | 2016-11-02 | 2017-05-10 | 中国航天空气动力技术研究院 | Dynamic torque measurement sensor with speed measurement function |
| CN109520643A (en) * | 2018-11-30 | 2019-03-26 | 安徽云汉智能科技有限公司 | A kind of faint ess-strain signal measurement sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030642A (en) * | 1987-07-15 | 1989-01-25 | 冶金工业部第一冶金地质勘探公司探矿技术研究所 | Magnetically elastic torque sensor |
| CN2771841Y (en) * | 2004-12-30 | 2006-04-12 | 北京鑫朗恒宏电子技术研究所 | Torque sensor signal wave converting and reshaping device |
| CN101122539A (en) * | 2007-10-01 | 2008-02-13 | 中北大学 | Open and close type torque sensor |
| US20090320614A1 (en) * | 2008-05-21 | 2009-12-31 | Michigan Scientific Corporation | Motor pump torque transducer |
| US20110167920A1 (en) * | 2008-07-14 | 2011-07-14 | Continental Teves Ag & Co. Ohg | Torque sensor arrangement with rotational angle index detection |
| CN204007962U (en) * | 2014-07-15 | 2014-12-10 | 中国第一汽车股份有限公司 | A kind of packoff of Novel camshaft torque measurement web member |
-
2015
- 2015-01-29 CN CN201510046651.9A patent/CN104596689A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030642A (en) * | 1987-07-15 | 1989-01-25 | 冶金工业部第一冶金地质勘探公司探矿技术研究所 | Magnetically elastic torque sensor |
| CN2771841Y (en) * | 2004-12-30 | 2006-04-12 | 北京鑫朗恒宏电子技术研究所 | Torque sensor signal wave converting and reshaping device |
| CN101122539A (en) * | 2007-10-01 | 2008-02-13 | 中北大学 | Open and close type torque sensor |
| US20090320614A1 (en) * | 2008-05-21 | 2009-12-31 | Michigan Scientific Corporation | Motor pump torque transducer |
| US20110167920A1 (en) * | 2008-07-14 | 2011-07-14 | Continental Teves Ag & Co. Ohg | Torque sensor arrangement with rotational angle index detection |
| CN204007962U (en) * | 2014-07-15 | 2014-12-10 | 中国第一汽车股份有限公司 | A kind of packoff of Novel camshaft torque measurement web member |
Non-Patent Citations (4)
| Title |
|---|
| Φ350穿孔机的轧制压力和轧制扭矩在线测试;崔学芳等;《重庆建筑大学学报》;20040831;第26卷(第4期);第62-65页 * |
| 崔学芳等: "Φ350穿孔机的轧制压力和轧制扭矩在线测试", 《重庆建筑大学学报》 * |
| 李国林等: "环形变压器供电的应变式扭矩传感器技术性能及应用", 《仪表技术与传感器》 * |
| 环形变压器供电的应变式扭矩传感器技术性能及应用;李国林等;《仪表技术与传感器》;20001231(第6期);第44-45页 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865066A (en) * | 2015-05-17 | 2015-08-26 | 成都诚邦动力测试仪器有限公司 | Gearbox test system based on pulse trigger circuit |
| CN106644196A (en) * | 2016-11-02 | 2017-05-10 | 中国航天空气动力技术研究院 | Dynamic torque measurement sensor with speed measurement function |
| CN109520643A (en) * | 2018-11-30 | 2019-03-26 | 安徽云汉智能科技有限公司 | A kind of faint ess-strain signal measurement sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104596689A (en) | Digital strain torque sensor based on multifunctional speed signal processing circuit | |
| CN104808146A (en) | High-accuracy motor testing system | |
| CN104568261A (en) | Digital strain torque sensor on basis of multifunctional signal conditioning system | |
| CN104807584A (en) | Highly sensitive torque sensor | |
| CN204302389U (en) | A kind of electric power components and parts measuring instrument | |
| CN104807575A (en) | Torque sensor capable of rapidly responding | |
| CN103592515A (en) | Universal phase identifier | |
| CN104833514A (en) | Engine test and control system based on adjustable filtering frequency | |
| CN103412241A (en) | Cable fault positioning system based on single-chip microcomputer technology | |
| CN204202871U (en) | A kind of gearbox of wind turbine state evaluation device | |
| CN104807578A (en) | Strain type torque sensor based on frequency conversion | |
| CN104807579A (en) | Digital strain type torque sensor based on phase shifting processing | |
| CN105589028B (en) | It is a kind of for the system of integrated circuit testing and its sweep test and display methods | |
| CN203909143U (en) | Digital resistor and capacitor meter | |
| CN104864991A (en) | Strain-type torque sensor based on filtering processing | |
| CN203365616U (en) | Cable fault locating system based on single-chip microcomputer technology | |
| CN104819792A (en) | High-precision torque sensor | |
| CN104808009A (en) | Motor speed measuring system based on phase processing | |
| CN203849275U (en) | Car generator speed measurement device | |
| CN104833451A (en) | Coupling type torque sensor | |
| CN105277884A (en) | Testing rotating speed automatic adjustment type motor test system on the basis of band-pass filtering | |
| CN105467315A (en) | Test rotating speed automation adjusting type motor test system with high-efficiency signal conversion | |
| CN105301496A (en) | Motor test system for testing automatic adjustment of rotating speed | |
| CN102411078A (en) | Portable digital storage oscilloscope (DSO) based on FPGA (Field-Programmable Gate Array) | |
| CN105424117A (en) | Pulse shaping type oil consumption tester based on temperature detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |
|
| RJ01 | Rejection of invention patent application after publication |