CN204255324U - A kind of stay wire displacement sensor - Google Patents
A kind of stay wire displacement sensor Download PDFInfo
- Publication number
- CN204255324U CN204255324U CN201420820939.8U CN201420820939U CN204255324U CN 204255324 U CN204255324 U CN 204255324U CN 201420820939 U CN201420820939 U CN 201420820939U CN 204255324 U CN204255324 U CN 204255324U
- Authority
- CN
- China
- Prior art keywords
- connects
- operational amplifier
- integrated operational
- pin
- signal
- 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.)
- Active
Links
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model discloses a kind of stay wire displacement sensor, comprise sensor outer housing, be positioned at the front side housing that back-moving spring is equipped with on front side of sensor outer housing and inside and the rear side housing be positioned on rear side of sensor outer housing, sensor outer housing is wound with the wheel hub of bracing wire built with top; Wheel hub is coaxially installed on the rotating shaft, and the rear portion of rotation axis is stretched in rear side housing; Be provided with the displacement transducer and speed pickup that detect respectively moving displacement and the translational speed of testee in rear side housing, displacement transducer and speed pickup are the photoelectric encoder and the two composition detecting signal unit that are arranged on rotation axis rear end; Be provided with electronic circuit board in rear side housing, electronic circuit board is provided with main control chip and signal output apparatus, signal output apparatus connects with main control chip.The utility model structure is simple, it is compact to install, volume is little and it is easy and simple to handle to use, result of use is good, can output speed and stroke two signals simultaneously.
Description
Technical field
The utility model relates to a kind of sensor, especially relates to a kind of stay wire displacement sensor.
Background technology
Stay wire displacement sensor has another name called displacement sensor for pull rope, that linear displacement transducer exquisiteness is structurally integrated, fully combine the advantage of angle displacement sensor and linear displacement transducer, be a compact conformation, measure that stroke is long, installing space size is little and have the sensor of high-acruracy survey, stroke is not from 100 millimeters to tens meters etc.During actual use, when testee produces displacement, coupled bracing wire is pulled to move, by photoelectric sensor, mechanical displacement is measured again, and the mechanical displacement measured is converted to digital/analog signal that is measurable and that linearly export, then passing ratio relation converts linear displacement output to.Stay wire displacement sensor can realize the high precision stroke measurment object of low cost.
Nowadays, common stay wire displacement sensor occurred on the market, is all measured by pot mostly, therefore cannot carries out the zero of any measurement point, the screw machine gate of such as little Song shield machine and the stroke sensor of hinged oil cylinder.And, domestic existing stay wire displacement sensor is elongated only has a signal to export, the signal exported is rate signal or stroke signal, the stay wire displacement sensor of output speed and stroke two signals then needs from external buying simultaneously, price is very expensive, the sensor of simultaneously output speed and stroke two signals can need 1.6 ten thousand as bought such in Japanese Komatsu.Nowadays, domesticly realize dual signal to export adopted usual treating method be that external PLC module or single-chip microcomputer output signal sensor and process and obtain another signal simultaneously, it is large that such measuring equipment takies volume, and cost is higher.
As shown in the above, nowadays lack a kind of structure simple, compact, that volume is little and it is easy and simple to handle to use, result of use is good stay wire displacement sensor is installed, can output speed and stroke two signals simultaneously.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of stay wire displacement sensor is provided, its structure is simple, it is compact to install, volume is little and it is easy and simple to handle to use, result of use is good, can output speed and stroke two signals simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of stay wire displacement sensor, it is characterized in that: comprise sensor outer housing, be positioned at the front side housing that back-moving spring is equipped with on front side of sensor outer housing and inside and the rear side housing be positioned on rear side of sensor outer housing, described sensor outer housing is wound with the wheel hub of bracing wire built with top, and sensor outer housing has the line outlet passed for bracing wire, the outer end of described bracing wire is fixed on testee, and described back-moving spring is connected with wheel hub; Described wheel hub is coaxially installed on the rotating shaft, and the rear portion of rotation axis stretches in rear side housing, and the rear wall of front side housing and the front side wall of rear side housing all have the mounting hole installed for rotation axis; Be provided with the displacement transducer and speed pickup that detect respectively moving displacement and the translational speed of described testee in described rear side housing, institute's displacement sensors and described speed pickup are the photoelectric encoder and the two composition detecting signal unit that are arranged on rotation axis rear end; In described rear side housing, electronic circuit board is installed, described electronic circuit board is provided with the main control chip that described detecting signal unit institute detection signal is received and the signal output apparatus that described detecting signal unit institute detection signal is exported, described signal output apparatus connects with main control chip, and described detecting signal unit connects with main control chip.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: described sensor outer housing is cylindrical shell, and described wheel hub is coaxially arranged in sensor outer housing and it be level laying.
Above-mentioned a kind of stay wire displacement sensor, it is characterized in that: institute's displacement sensors and described speed pickup include the code-disc being coaxially arranged on rotation axis rear end and the Photoelectric Detection module be positioned on rear side of code-disc, and the Photoelectric Detection module of institute's displacement sensors and described speed pickup all connects with main control chip.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: institute's displacement sensors and described speed pickup form the signal supervisory instrument based on dicode dish.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: described main control chip is single-chip microcomputer.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: also comprise the D/A conversion chip and the 2nd D/A conversion chip that connect with main control chip respectively; Described signal output apparatus comprises two signal conditioning circuits connected with main control chip respectively, two described signal conditioning circuits are respectively the first signal conditioning circuit exported displacement sensors institute of institute detection signal and the secondary signal modulate circuit exported described speed pickup institute detection signal, and the signal input part of described first signal conditioning circuit and secondary signal modulate circuit connects with the signal output part of a D/A conversion chip and the 2nd D/A conversion chip respectively.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: described first signal conditioning circuit comprises integrated operational amplifier U5, and integrated operational amplifier U5 is LM393 chip; The signal output part of the one D/A conversion chip connects with the 5th pin of integrated operational amplifier U5 after resistance R21,6th pin ground connection after resistance R22 of integrated operational amplifier U5,7th pin of integrated operational amplifier U5 connects with the base stage of NPN type triode Q6, and the collector of NPN type triode Q6 connects the 3rd pin of integrated operational amplifier U5 and its emitter ground connection after resistance R22; 2nd pin of integrated operational amplifier U5 divides two-way, and a road connects with the negative electrode of diode D4 after resistance R16, and another road connects with the emitter of PNP type triode Q5; The signal output part of the current collection of PNP type triode Q5 very the first signal conditioning circuit; 1st pin of integrated operational amplifier U5 connects with the base stage of PNP type triode Q5 through resistance R19, and the 3rd pin of integrated operational amplifier U5 connects with the negative electrode of diode D4 after resistance R18; The anode of diode D4 connects+15V power end;
Described secondary signal modulate circuit comprises integrated operational amplifier U2, and integrated operational amplifier U2 is LM393 chip; The signal output part of the 2nd D/A conversion chip connects with the 5th pin of integrated operational amplifier U2 after resistance R11,6th pin ground connection after resistance R12 of integrated operational amplifier U2,7th pin of integrated operational amplifier U2 connects with the base stage of NPN type triode Q4, and the collector of NPN type triode Q4 connects the 3rd pin of integrated operational amplifier U2 and its emitter ground connection after resistance R12; 2nd pin of integrated operational amplifier U2 divides two-way, and a road connects with the negative electrode of diode D1 after resistance R4, and another road connects with the emitter of PNP type triode Q3; The signal output part of the current collection of PNP type triode Q3 very secondary signal modulate circuit; 1st pin of integrated operational amplifier U2 connects with the base stage of PNP type triode Q3 through resistance R7, and the 3rd pin of integrated operational amplifier U2 connects with the negative electrode of diode D1 after resistance R6; The anode of diode D1 connects+15V power end.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: the installed in front of described rear side housing has vertical installing plate, and rear side housing is fixedly mounted on the rear wall of sensor outer housing by vertical installing plate; Described rear side housing is screening can.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: described vertical installing plate is arranged on sensor outer housing by multiple fastening bolt.
Above-mentioned a kind of stay wire displacement sensor, is characterized in that: also comprise the projection with wheel hub synchronous rotary, and described projection is arranged in the middle part of the front side of wheel hub; Described back-moving spring is fixed on projection.
The utility model compared with prior art has the following advantages:
1, structure is simple, reasonable in design and install compact, and volume is little, takes up room little.
2, production cost is lower, is about 15% of similar import price.
3, use easy and simple to handle and result of use good, energy is output displacement and speed two signals simultaneously, compensate for the defect that domestic stay wire displacement sensor only can export a signal, the signal supervisory instrument based on dicode dish is adopted to realize detecting, the inner integrated main control chip of inner use and signal output apparatus, without the need to external PLC or single-chip microcomputer, greatly reduce cost of products, and reduce and take up room; Meanwhile, owing to adopting photoelectric encoder to detect, optional position zero can be realized, and can the current signal of simultaneously output speed and displacement (also claiming " stroke ") two 4mA ~ 20mA.
In sum, the utility model structure is simple, it is compact to install, volume is little and it is easy and simple to handle to use, result of use is good, can output speed and stroke two signals simultaneously.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic block circuit diagram of the present utility model.
Fig. 3 is the circuit theory diagrams of the utility model first signal conditioning circuit.
Fig. 4 is the circuit theory diagrams of the utility model secondary signal modulate circuit.
Description of reference numerals:
1-sensor outer housing; 2-back-moving spring; 3-front side housing;
4-rear side housing; 5-bracing wire; 6-wheel hub;
7-line outlet; 8-rotation axis; 9-electronic circuit board;
10-main control chip; 12-vertical installing plate; 13-projection;
14-code-disc; 15-1-the first Photoelectric Detection module;
15-2-the second Photoelectric Detection module; 16-1-the first signal conditioning circuit;
16-2-secondary signal modulate circuit; 17-1-the one D/A conversion chip;
17-2-the 2nd D/A conversion chip; 18-pull wire head.
Embodiment
As shown in Figure 1 and Figure 2, the utility model comprises sensor outer housing 1, is positioned at the front side housing 3 that back-moving spring 2 is equipped with on front side of sensor outer housing 1 and inside and the rear side housing 4 be positioned on rear side of sensor outer housing 1, described sensor outer housing 1 is wound with the wheel hub 6 of bracing wire 5 built with top, and sensor outer housing 1 has the line outlet 7 passed for bracing wire 5, the outer end of described bracing wire 5 is fixed on testee, and described back-moving spring 2 is connected with wheel hub 6.Described wheel hub 6 is coaxially arranged on rotation axis 8, and the rear portion of rotation axis 8 stretches in rear side housing 4, and the rear wall of front side housing 3 and the front side wall of rear side housing 4 all have the mounting hole installed for rotation axis 8.Be provided with the displacement transducer and speed pickup that detect respectively moving displacement and the translational speed of described testee in described rear side housing 4, institute's displacement sensors and described speed pickup are the photoelectric encoder and the two composition detecting signal unit that are arranged on rotation axis 8 rear end; In described rear side housing 4, electronic circuit board 9 is installed, described electronic circuit board 9 is provided with the main control chip 10 that described detecting signal unit institute detection signal is received and the signal output apparatus that described detecting signal unit institute detection signal is exported, described signal output apparatus connects with main control chip 10, and described detecting signal unit connects with main control chip 10.
In the present embodiment, described bracing wire 5 is wire rope.
In the present embodiment, institute's displacement sensors and described speed pickup include the code-disc 14 being coaxially arranged on rotation axis 8 rear end and the Photoelectric Detection module be positioned on rear side of code-disc 14, and the Photoelectric Detection module of institute's displacement sensors and described speed pickup all connects with main control chip 10.Wherein, the Photoelectric Detection module of institute's displacement sensors is the first Photoelectric Detection module 15-1, and the Photoelectric Detection module of described speed pickup is the second Photoelectric Detection module 15-2.
In the present embodiment, institute's displacement sensors and described speed pickup form the signal supervisory instrument based on dicode dish.
In the present embodiment, described main control chip 10 is single-chip microcomputer.
Meanwhile, the utility model also comprises the D/A conversion chip 17-1 and the 2nd D/A conversion chip 17-2 that connect with main control chip 10 respectively.Described signal output apparatus comprises two signal conditioning circuits connected with main control chip 10 respectively, two described signal conditioning circuits are respectively the first signal conditioning circuit 16-1 exported displacement sensors institute of institute detection signal and the secondary signal modulate circuit 16-2 exported described speed pickup institute detection signal, and the signal input part of described first signal conditioning circuit 16-1 and secondary signal modulate circuit 16-2 connects with the signal output part of a D/A conversion chip 17-1 and the 2nd D/A conversion chip 17-2 respectively.
In the present embodiment, described first signal conditioning circuit 16-1 and secondary signal modulate circuit 16-2 is differential amplifier circuit, thus can effectively restraint speckle and antijamming capability.
As shown in Figure 3, described first signal conditioning circuit 16-1 comprises integrated operational amplifier U5, and integrated operational amplifier U5 is LM393 chip.The signal output part of the one D/A conversion chip 17-1 connects with the 5th pin of integrated operational amplifier U5 after resistance R21,6th pin ground connection after resistance R22 of integrated operational amplifier U5,7th pin of integrated operational amplifier U5 connects with the base stage of NPN type triode Q6, and the collector of NPN type triode Q6 connects the 3rd pin of integrated operational amplifier U5 and its emitter ground connection after resistance R22.2nd pin of integrated operational amplifier U5 divides two-way, and a road connects with the negative electrode of diode D4 after resistance R16, and another road connects with the emitter of PNP type triode Q5.The signal output part of the current collection of PNP type triode Q5 very the first signal conditioning circuit 16-1.1st pin of integrated operational amplifier U5 connects with the base stage of PNP type triode Q5 through resistance R19, and the 3rd pin of integrated operational amplifier U5 connects with the negative electrode of diode D4 after resistance R18.The anode of diode D4 connects+15V power end.
During physical cabling, the 5th pin of described integrated operational amplifier U2 divides two-way, and a road meets reference voltage output end Vref after resistance R10, and another road is ground connection after electric capacity C4; 4th pin of integrated operational amplifier U2 divides two-way, and a road connects-5V voltage end and its another road ground connection after electric capacity C3.
In the present embodiment, + 15V power end connects with the collector of NPN type triode Q2, the transmitting of NPN type triode Q2 is very connected to resistance R8 between the base stage of reference voltage output end Vref, NPN type triode Q2 and collector, and the base stage of NPN type triode Q2 connects the negative electrode of three-terminal voltage-stabilizing pipe D3; The plus earth of three-terminal voltage-stabilizing pipe D3 and it divides two-way with reference to pole, road ground connection and another road meets reference voltage output end Vref after resistance R9 after resistance R13.Wherein, three-terminal voltage-stabilizing pipe D3 is TL431.
As shown in Figure 4, described secondary signal modulate circuit 16-2 comprises integrated operational amplifier U2, and integrated operational amplifier U2 is LM393 chip.The signal output part of the 2nd D/A conversion chip 17-2 connects with the 5th pin of integrated operational amplifier U2 after resistance R11,6th pin ground connection after resistance R12 of integrated operational amplifier U2,7th pin of integrated operational amplifier U2 connects with the base stage of NPN type triode Q4, and the collector of NPN type triode Q4 connects the 3rd pin of integrated operational amplifier U2 and its emitter ground connection after resistance R12.2nd pin of integrated operational amplifier U2 divides two-way, and a road connects with the negative electrode of diode D1 after resistance R4, and another road connects with the emitter of PNP type triode Q3.The signal output part of the current collection of PNP type triode Q3 very secondary signal modulate circuit 16-2.1st pin of integrated operational amplifier U2 connects with the base stage of PNP type triode Q3 through resistance R7, and the 3rd pin of integrated operational amplifier U2 connects with the negative electrode of diode D1 after resistance R6.The anode of diode D1 connects+15V power end.
During physical cabling, the 5th pin of integrated operational amplifier U5 divides two-way, and a road meets reference voltage output end Vref after resistance R20, and another road is ground connection after electric capacity C10; 4th pin of integrated operational amplifier U5 divides two-way, and a road connects-5V voltage end and its another road ground connection after electric capacity C9.
Actually add man-hour, described sensor outer housing 1 is cylindrical shell, and described wheel hub 6 is coaxially arranged in sensor outer housing 1 and it be level laying.
In the present embodiment, the installed in front of described rear side housing 4 has vertical installing plate 12, and rear side housing 4 is fixedly mounted on the rear wall of sensor outer housing 1 by vertical installing plate 12.Described rear side housing 4 is screening can.
During actual installation, described vertical installing plate 12 is arranged on sensor outer housing 1 by multiple fastening bolt.
In the present embodiment, the utility model also comprises the projection 13 with wheel hub 6 synchronous rotary, and described projection 13 is arranged in the middle part of the front side of wheel hub 6.Described back-moving spring 2 is fixed on projection 13.
Further, the inner ring of described back-moving spring 2 is fixed on projection 13.In the present embodiment, described projection 13 is cylindrical.In the present embodiment, described back-moving spring 2 is connected with wheel hub 6 by projection 13.During actual fixed installation, the pull wire head 18 of described bracing wire 5 outer end is fixed on testee
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a stay wire displacement sensor, it is characterized in that: comprise sensor outer housing (1), be positioned on front side of sensor outer housing (1) and inside the front side housing (3) of back-moving spring (2) is housed and is positioned at the rear side housing (4) of sensor outer housing (1) rear side, described sensor outer housing (1) is wound with the wheel hub (6) of bracing wire (5) built with top, and sensor outer housing (1) has the line outlet (7) passed for bracing wire (5), the outer end of described bracing wire (5) is fixed on testee, described back-moving spring (2) is connected with wheel hub (6), described wheel hub (6) is coaxially arranged on rotation axis (8), the rear portion of rotation axis (8) stretches in rear side housing (4), and the rear wall of front side housing (3) and the front side wall of rear side housing (4) all have the mounting hole installed for rotation axis (8), be provided with the displacement transducer and speed pickup that detect respectively moving displacement and the translational speed of described testee in described rear side housing (4), institute's displacement sensors and described speed pickup are the photoelectric encoder and the two composition detecting signal unit that are arranged on rotation axis (8) rear end, in described rear side housing (4), electronic circuit board (9) is installed, described electronic circuit board (9) is provided with the main control chip (10) that described detecting signal unit institute detection signal is received and the signal output apparatus that described detecting signal unit institute detection signal is exported, described signal output apparatus connects with main control chip (10), and described detecting signal unit connects with main control chip (10).
2. according to a kind of stay wire displacement sensor according to claim 1, it is characterized in that: described sensor outer housing (1) is cylindrical shell, described wheel hub (6) is coaxially arranged in sensor outer housing (1) and it be level laying.
3. according to a kind of stay wire displacement sensor described in claim 1 or 2, it is characterized in that: institute's displacement sensors and described speed pickup include the code-disc (14) being coaxially arranged on rotation axis (8) rear end and the Photoelectric Detection module being positioned at code-disc (14) rear side, and the Photoelectric Detection module of institute's displacement sensors and described speed pickup all connects with main control chip (10).
4. according to a kind of stay wire displacement sensor according to claim 3, it is characterized in that: institute's displacement sensors and described speed pickup form the signal supervisory instrument based on dicode dish.
5. according to a kind of stay wire displacement sensor described in claim 1 or 2, it is characterized in that: described main control chip (10) is single-chip microcomputer.
6. according to a kind of stay wire displacement sensor described in claim 1 or 2, it is characterized in that: also comprise the D/A conversion chip (17-1) and the 2nd D/A conversion chip (17-2) that connect with main control chip (10) respectively; Described signal output apparatus comprises two signal conditioning circuits connected with main control chip (10) respectively, two described signal conditioning circuits are respectively the first signal conditioning circuit (16-1) exported displacement sensors institute of institute detection signal and the secondary signal modulate circuit (16-2) exported described speed pickup institute detection signal, and the signal input part of described first signal conditioning circuit (16-1) and secondary signal modulate circuit (16-2) connects with the signal output part of a D/A conversion chip (17-1) and the 2nd D/A conversion chip (17-2) respectively.
7. according to a kind of stay wire displacement sensor according to claim 6, it is characterized in that: described first signal conditioning circuit (16-1) comprises integrated operational amplifier U5, and integrated operational amplifier U5 is LM393 chip; The signal output part of the one D/A conversion chip (17-1) connects with the 5th pin of integrated operational amplifier U5 after resistance R21,6th pin ground connection after resistance R22 of integrated operational amplifier U5,7th pin of integrated operational amplifier U5 connects with the base stage of NPN type triode Q6, and the collector of NPN type triode Q6 connects the 3rd pin of integrated operational amplifier U5 and its emitter ground connection after resistance R22; 2nd pin of integrated operational amplifier U5 divides two-way, and a road connects with the negative electrode of diode D4 after resistance R16, and another road connects with the emitter of PNP type triode Q5; The signal output part of the current collection of PNP type triode Q5 very the first signal conditioning circuit (16-1); 1st pin of integrated operational amplifier U5 connects with the base stage of PNP type triode Q5 through resistance R19, and the 3rd pin of integrated operational amplifier U5 connects with the negative electrode of diode D4 after resistance R18; The anode of diode D4 connects+15V power end;
Described secondary signal modulate circuit (16-2) comprises integrated operational amplifier U2, and integrated operational amplifier U2 is LM393 chip; The signal output part of the 2nd D/A conversion chip (17-2) connects with the 5th pin of integrated operational amplifier U2 after resistance R11,6th pin ground connection after resistance R12 of integrated operational amplifier U2,7th pin of integrated operational amplifier U2 connects with the base stage of NPN type triode Q4, and the collector of NPN type triode Q4 connects the 3rd pin of integrated operational amplifier U2 and its emitter ground connection after resistance R12; 2nd pin of integrated operational amplifier U2 divides two-way, and a road connects with the negative electrode of diode D1 after resistance R4, and another road connects with the emitter of PNP type triode Q3; The signal output part of the current collection of PNP type triode Q3 very secondary signal modulate circuit (16-2); 1st pin of integrated operational amplifier U2 connects with the base stage of PNP type triode Q3 through resistance R7, and the 3rd pin of integrated operational amplifier U2 connects with the negative electrode of diode D1 after resistance R6; The anode of diode D1 connects+15V power end.
8. according to a kind of stay wire displacement sensor described in claim 1 or 2, it is characterized in that: the installed in front of described rear side housing (4) has vertical installing plate (12), and rear side housing (4) is fixedly mounted on the rear wall of sensor outer housing (1) by vertical installing plate (12); Described rear side housing (4) is screening can.
9. according to a kind of stay wire displacement sensor according to claim 8, it is characterized in that: described vertical installing plate (12) is arranged on sensor outer housing (1) by multiple fastening bolt.
10. according to a kind of stay wire displacement sensor described in claim 1 or 2, it is characterized in that: also comprise the projection (13) with wheel hub (6) synchronous rotary, described projection (13) is arranged in the middle part of the front side of wheel hub (6); Described back-moving spring (2) is fixed on projection (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820939.8U CN204255324U (en) | 2014-12-19 | 2014-12-19 | A kind of stay wire displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420820939.8U CN204255324U (en) | 2014-12-19 | 2014-12-19 | A kind of stay wire displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255324U true CN204255324U (en) | 2015-04-08 |
Family
ID=52959621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420820939.8U Active CN204255324U (en) | 2014-12-19 | 2014-12-19 | A kind of stay wire displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204255324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466378A (en) * | 2015-12-30 | 2016-04-06 | 中国核电工程有限公司 | Distance measuring equipment for hot cell environment |
| CN111811454A (en) * | 2020-07-03 | 2020-10-23 | 湖南中大检测技术集团有限公司 | Protection structure of stay wire type displacement sensor and construction method thereof |
-
2014
- 2014-12-19 CN CN201420820939.8U patent/CN204255324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466378A (en) * | 2015-12-30 | 2016-04-06 | 中国核电工程有限公司 | Distance measuring equipment for hot cell environment |
| CN111811454A (en) * | 2020-07-03 | 2020-10-23 | 湖南中大检测技术集团有限公司 | Protection structure of stay wire type displacement sensor and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207190203U (en) | A kind of Novel smart mobile phone communicates shell fragment precision die | |
| CN209482003U (en) | A kind of washing machine with water leakage detection warning device | |
| CN204255324U (en) | A kind of stay wire displacement sensor | |
| CN106774239B (en) | A kind of Portable engineering vehicle vehicle-mounted ECU detection device | |
| CN103278218B (en) | A kind of flow monitoring device for mechanical water meter | |
| CN103033641A (en) | Device and method for detecting rotation speed of non-contact steam turbine | |
| CN102349388A (en) | Fertilizer applicator monitoring system | |
| CN204255669U (en) | Portable type excavator Performance Test System | |
| CN201671805U (en) | Tangential fan performance testing device | |
| CN205404564U (en) | Dedicated water quality testing device in water utilities | |
| CN201335718Y (en) | Bubble-type water gauge | |
| CN103105265B (en) | On-line monitor for strain gauge load cell | |
| CN114166325A (en) | Magnetic field intensity measuring system and measuring method for vehicle load monitoring | |
| CN206270518U (en) | A kind of Portable Automatic weather station fault locator | |
| CN212340381U (en) | Electronic water gauge precision calibrating device | |
| CN106597091A (en) | DC electric energy meter | |
| CN202947690U (en) | Photoelectric three-dimensional vertical line telemetering coordinatograph | |
| CN103868617A (en) | Platinum resistor temperature measuring circuit | |
| CN206531564U (en) | A kind of loading amount detecting device for worm-type open-close machine | |
| CN208238871U (en) | Pulse metering device on a kind of diaphragm gas meter | |
| CN202329929U (en) | On-line detection instrument for load sensor | |
| CN207007506U (en) | One kind is based on digital communication water turbine set system for testing stability | |
| CN205720285U (en) | A kind of high-resolution motor speed measuring instrument based on photoelectric encoder | |
| CN203053998U (en) | Wind speed sensor | |
| CN201247279Y (en) | Device for measuring grounding voltage of power distribution network overhead line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: An Zhen Dan Street Road No. 78 East chuangrong building A, room 301-6, 214100 Jiangsu District of Xishan city in Wuxi Province Co-patentee after: Zhongtie No.1 Bureau Group Co., Ltd. Patentee after: China Railway First Group Urban Rail Transit Engineering Co., Ltd. Co-patentee after: China Railway Group Co., Ltd. Address before: The northern section of Shaanxi city of Xi'an province 710054 Yanta Road No. 1 Co-patentee before: China Railway Group Co., Ltd. Patentee before: Zhongtie No.1 Bureau Group Co., Ltd. |