CN204705842U - A kind of Mine-used I. S lifting jack is flexible measures displacement transducer control circuit - Google Patents
A kind of Mine-used I. S lifting jack is flexible measures displacement transducer control circuit Download PDFInfo
- Publication number
- CN204705842U CN204705842U CN201520218516.3U CN201520218516U CN204705842U CN 204705842 U CN204705842 U CN 204705842U CN 201520218516 U CN201520218516 U CN 201520218516U CN 204705842 U CN204705842 U CN 204705842U
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- China
- Prior art keywords
- circuit
- control circuit
- displacement transducer
- mine
- lifting jack
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- Expired - Fee Related
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 25
- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 6
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a kind of Mine-used I. S lifting jack flexible measurement displacement transducer control circuit, this displacement transducer outside is provided with magnet ring, control circuit comprises intrinsic safety type power supply, overvoltage crowbar, for operational amplification circuit provides the mu balanced circuit of 5V DC voltage, anti-interference filtration circuit, the operational amplification circuit of signal acquisition circuit and amplifying signal Acquisition Circuit voltage signal, described signal acquisition circuit comprises multiple tongue tube and multiple resistance, according to the movement of described magnet ring, the tongue tube of break-make sensor internal control circuit relevant position, measure the voltage signal of diverse location, the pushing distance that different voltage signals reacts described lifting jack is exported by cable.The utility model can not only meet the Functional Requirement to displacement transducer on coal mine machinery, but also adopts essence safety type circuits design, can be operated in that some are flammable, can be quick-fried etc. mine place.
Description
Technical field
The utility model relates to a kind of displacement transducer control circuit, especially measures displacement transducer control circuit about a kind of Mine-used I. S lifting jack is flexible.
Background technology
Displacement transducer is also called linear transducer, it is a kind of linear unit belonging to metal induction, because its measuring accuracy is high, antijamming capability strong, do not have artificial reading error, use the advantages such as reliable, in the industry such as machine tooling, measuring instrument, obtain increasingly extensive application.But measuring accuracy is lower when displacement transducer on the market scarcely has intrinsic safety type feature and uses on lifting jack, be badly in need of being further improved.
Summary of the invention
Fundamental purpose of the present utility model is, overcome safety and the problem such as precision that prior art exists, a kind of new Mine-used I. S lifting jack flexible measurement displacement transducer control circuit is provided, the Functional Requirement to displacement transducer on coal mine machinery can not only be met, but also adopt essence safety type circuits design, can be operated in that some are flammable, can be quick-fried etc. mine place.
Technical scheme provided by the utility model is: a kind of Mine-used I. S lifting jack is flexible measures displacement transducer control circuit, the outside of this displacement transducer is provided with magnet ring, described control circuit comprises intrinsic safety type power supply, overvoltage crowbar, for operational amplification circuit provides the mu balanced circuit of 5V DC voltage, anti-interference filtration circuit, the operational amplification circuit of signal acquisition circuit and amplifying signal Acquisition Circuit voltage signal, described signal acquisition circuit comprises multiple tongue tube and multiple resistance, according to the movement of described magnet ring, the tongue tube of break-make sensor internal control circuit relevant position, measure the voltage signal of diverse location, the pushing distance that different voltage signals reacts described lifting jack is exported by cable.
Described intrinsic safety type power supply provides direct current 12V operating voltage for control circuit.
Described overvoltage crowbar adopts direct current 30V voltage dependent resistor (VDR) to carry out circuit overvoltage protection.
Described mu balanced circuit adopts LP2951ACM chip.
Described anti-interference filtration circuit adopts four pin electric capacity, electrochemical capacitor and ceramic disc capacitor to carry out filtering.
Described operational amplification circuit adopts AD8542 chip.
Described signal acquisition circuit comprises the resistance of 261 serial dried reed pipes of J20 and 261 15 ohm.
The moving range of described magnet ring is 0-960mm, and corresponding output voltage is direct current 0.5V-4.5V.
Compared with prior art, a kind of Mine-used I. S of the utility model lifting jack stretch the advantage of measuring displacement transducer control circuit and beneficial effect as follows:
1, the utility model adopts intrinsic safety type circuit design to be operated in the places such as mine;
2, the utility model technology adopts more filter circuit of pressure-stabilizing to improve antijamming capability, adopts more reed switch circuit to improve measuring accuracy, makes measuring accuracy error can reach 1.0 grades, better can react the position that lifting jack is passed.
Accompanying drawing explanation
Fig. 1 is that a kind of Mine-used I. S lifting jack of the utility model stretches and measures the control circuit figure of displacement transducer control circuit.
Embodiment
The utility model proposes a kind of Mine-used I. S lifting jack to stretch survey sensor control circuit; as shown in Figure 1; for control circuit figure of the present utility model, this control circuit comprises intrinsic safety type power supply, overvoltage crowbar, mu balanced circuit, anti-interference filtration circuit, operational amplification circuit and signal acquisition circuit.
Concrete, described power module provides DC 12V intrinsic safety type power supply for control circuit.
Described overvoltage crowbar adopts the pressure-sensitive circuit of DC 30V at energization input, can prevent extraneous DC 30V above superpotential infringement circuit board.
Described mu balanced circuit adopts low-power consumption, high-precision voltage stabilizing chip LP2951ACM, is the DC 5V voltage that subordinate's operational amplification circuit provides high precision reliable and stable, and adopts basic anti-interference filtration electric capacity.
Described anti-interference filtration circuit adopts four pin electric capacity, electrochemical capacitor and ceramic disc capacitor to carry out filtering.
The amplification with collection signal is followed in the output that described operational amplification circuit adopts AD8542 chip to carry out voltage.According to the resistance of homophase input voltage DC 0.2V and reverse input resistance and feedback resistance, utilize empty short void to break and can draw the magnitude of voltage of output, and it is exported by the voltage follower circuit of amplifier by output voltage values again.
The magnitude of voltage of this position, according to the tongue tube of the different break-make relevant positions of outside magnet ring shift position, gathers to the input end of amplifier voltage follow, makes measurement range 0-960mm by described signal acquisition circuit, corresponding output voltage DC 0.5-4.5V.Preferably, signal acquisition circuit comprises the resistance of 261 serial dried reed pipes of J20 and 261 15 ohm.
In a preferred embodiment of the present utility model, the magnet ring measurement range of institute's displacement sensors is 0-960mm, the position signalling of 0-960mm measurement range is passed to sensor internal control circuit, the tongue tube of on-off control circuit relevant position, and by cable, the varying voltage signal within the scope of DC 0.5-4.5V is exported, to react the pushing distance of described lifting jack.
Claims (8)
1. a Mine-used I. S lifting jack flexible measurement displacement transducer control circuit, it is characterized in that: the outside of this displacement transducer is provided with magnet ring, described control circuit comprises intrinsic safety type power supply, overvoltage crowbar, for operational amplification circuit provides the mu balanced circuit of 5V DC voltage, anti-interference filtration circuit, the operational amplification circuit of signal acquisition circuit and amplifying signal Acquisition Circuit voltage signal, described signal acquisition circuit comprises multiple tongue tube and multiple resistance, according to the movement of described magnet ring, the tongue tube of break-make sensor internal control circuit relevant position, measure the voltage signal of diverse location, the pushing distance that different voltage signals reacts described lifting jack is exported by cable.
2. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, it is characterized in that: described intrinsic safety type power supply provides direct current 12V operating voltage for control circuit.
3. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, it is characterized in that: described overvoltage crowbar adopts direct current 30V voltage dependent resistor (VDR) to carry out circuit overvoltage protection.
4. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, it is characterized in that: described mu balanced circuit adopts LP2951ACM chip.
5. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, it is characterized in that: described anti-interference filtration circuit adopts four pin electric capacity, electrochemical capacitor and ceramic disc capacitor to carry out filtering.
6. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, it is characterized in that: described operational amplification circuit adopts AD8542 chip.
7. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, it is characterized in that: described signal acquisition circuit comprises the resistance of 261 serial dried reed pipes of J20 and 261 15 ohm.
8. a kind of Mine-used I. S lifting jack as claimed in claim 1 is flexible measures displacement transducer control circuit, and it is characterized in that: the moving range of described magnet ring is 0-960mm, corresponding output voltage is direct current 0.5V-4.5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218516.3U CN204705842U (en) | 2015-04-13 | 2015-04-13 | A kind of Mine-used I. S lifting jack is flexible measures displacement transducer control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520218516.3U CN204705842U (en) | 2015-04-13 | 2015-04-13 | A kind of Mine-used I. S lifting jack is flexible measures displacement transducer control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204705842U true CN204705842U (en) | 2015-10-14 |
Family
ID=54285443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520218516.3U Expired - Fee Related CN204705842U (en) | 2015-04-13 | 2015-04-13 | A kind of Mine-used I. S lifting jack is flexible measures displacement transducer control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204705842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232486A (en) * | 2021-12-15 | 2022-03-25 | 江西省交通工程集团有限公司 | Construction method of thin-wall pier template climbing frame and material lifting frame |
-
2015
- 2015-04-13 CN CN201520218516.3U patent/CN204705842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232486A (en) * | 2021-12-15 | 2022-03-25 | 江西省交通工程集团有限公司 | Construction method of thin-wall pier template climbing frame and material lifting frame |
| CN114232486B (en) * | 2021-12-15 | 2024-04-02 | 江西省交通工程集团有限公司 | Construction method of thin-wall pier template climbing frame and material lifting frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zhongwen Inventor after: Hao Chunfen Inventor after: Sun Kaige Inventor after: Song Binbin Inventor after: Shi Weiwei Inventor after: Zhang Jingyu Inventor after: Qiu Tao Inventor before: Sun Kaige Inventor before: Li Zhiqiang Inventor before: Song Binbin Inventor before: Shi Weiwei Inventor before: Zhang Jingyu Inventor before: Qiu Tao Inventor before: Li Zhimin Inventor before: Yang Ming |
|
| COR | Change of bibliographic data | ||
| CU03 | Publication of corrected utility model |
Correction item: Inventor Correct: Li Zhongwen|Hao Chunfen|Sun Kaige|Song Binbin|Shi Weiwei|Zhang Jingyu|Qiu Tao|Yang Ming False: Li Zhongwen|Hao Chunfen|Sun Kaige|Song Binbin|Shi Weiwei|Zhang Jingyu|Qiu Tao Number: 41 Volume: 31 |
|
| ERR | Gazette correction | ||
| CU03 | Publication of corrected utility model |
Correction item: Inventor Correct: Li Zhongwen|Hao Chunfen|Sun Kaige|Song Binbin|Shi Weiwei|Zhang Jingyu|Qiu Tao|Yang Ming False: Li Zhongwen|Hao Chunfen|Sun Kaige|Song Binbin|Shi Weiwei|Zhang Jingyu|Qiu Tao Number: 10 Volume: 32 |
|
| ERR | Gazette correction | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20190413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |