CN203299257U - Portable static voltage collecting reader - Google Patents
Portable static voltage collecting reader Download PDFInfo
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- CN203299257U CN203299257U CN201320328033XU CN201320328033U CN203299257U CN 203299257 U CN203299257 U CN 203299257U CN 201320328033X U CN201320328033X U CN 201320328033XU CN 201320328033 U CN201320328033 U CN 201320328033U CN 203299257 U CN203299257 U CN 203299257U
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Abstract
The utility model relates to a portable static voltage collecting reader which is composed of a housing, two signal input ends, leads, and a constant-voltage power supply , a power switch, a power voltmeter and a signal voltmeter which are arranged in the housing. The power voltmeter is connected in parallel with the constant-voltage power supply between the anode and cathode of the constant-voltage power supply, one end of the signal voltmeter is connected with the cathode of the constant-voltage power supply, the other end of the signal voltmeter is connected in series with the two signal input ends, and the power switch is connected in series with the anode of the constant-voltage power supply. The portable static voltage collecting reader can be applied to various sensors for regular inspection, performance discrimination, measured value collection and the like, has the advantages including small volume, convenience in carrying, simple use and low cost, can rapidly and conveniently test performance states of the sensors in different constructional environments, and provides data support for later observation and data analysis.
Description
Technical field
The invention belongs to Hydraulic and Hydro-Power Engineering outlet structure escape works Hydraulic Prototype Observation technical field, particularly be applied to the making regular check on of observation sensor under different construction environments, performance criteria, measured value and adopt the Portable Static voltage of functions such as reading and adopt and read device.
Background technology
Large water conservancy hydroelectric engineering is in flood control safety, electric power supply, there is irreplaceable effect the aspects such as water supply security, the high dam of China has all surpassed the present highest level in the world at height of dam, vent flow, flood discharge power, the high dam flood discharge receives much attention safely, and Hydraulic Prototype Observation is to understand, monitor the discharge construction running status, promotes the important means of design level.Hydraulics observation is normally carried out after building engineering is complete, sensor installation before observation, and carry out corresponding observation, usually can guarantee the survival rate that instrument is higher.
Along with becoming increasingly conspicuous of flood discharge safety problem, in order better the hydrodynamic force state of outlet structure escape works to be observed, part observation instrument can be buried underground in construction period, as between the gap at stiling basin plate levels plate, buried the gap oscillatory pressure pick-up underground, or unconditionally carry out the zone of instrument secondary installing.Sensor can be the same with the routine monitoring instrument after burying underground, with construction speed, carries out winding displacement, lead-in wire, until outlet structure escape works are complete, carries out the observation of flood discharge hydraulics after building.Because the time of distance observation is longer, need to be during this period to observation instrument make regular check on, performance criteria, measured value adopt and read etc., to understand the state of the observation sensor of being buried underground, for observation, the data analysis in later stage provides data supporting.
The instrument that hydraulics observation is selected is most of for needing the transmitter for constant voltage, as pressure unit (observation fluctuation pressure, negative pressure and cavity, rainfall amount), differential pressure transmitter (observation flow velocity, wind speed), fluid level transmitter (observed stage) etc.Complete the kinetic measurement of a parameter, should be after the measuring point wiring all completes, adopt stabilized power source, dynamic data collection system, collection computer to measure, need carry a large amount of instrument and equipments, also need the conditions such as power supply, workbench, this kind situation can realize after building engineering is complete.But at Engineering in Construction Period, complicacy because of the working-yard condition, adopt conventional metering system exist equipment carry inconvenience, without power supply, without workbench, measuring point do not concentrate, the great number of issues such as downhole joint not yet welds, complete very difficulty of a test job.If adopt stabilized power source to carry out static test in conjunction with the mode of multimeter, can obviously alleviate workload, but still exist, need carry two equipment, the more inconvenient problem of wiring, design one idiotype is very little, easy to carry, cost is lower, can meet portable voltage that different condition and environmental aspect use adopts that to read device very necessary.
Summary of the invention
The purpose of this utility model is to provide and a kind ofly is applied to the making regular check on of observation sensor under different construction environments, performance criteria, measured value and adopts the Portable Static voltage of functions such as reading and adopt and read device.
The technical solution of the utility model is: Portable Static voltage is adopted and is read device by shell, constant voltage source, power switch, line voltmeter and signal voltage table in shell, two signal input parts, wires form, line voltmeter is connected in parallel on the positive and negative terminal of constant voltage source, signal voltage table one end connects the constant voltage source negative pole, two signal input parts of other end series connection, power switch is connected on the positive pole of constant voltage source.
Portable Static voltage is adopted and is read device and adopt three-wire system, i.e. positive source, negative pole, signal output, and the main sensor-based mode signal output of circuit design, and consider the compatibility with dynamic signal acquisition.
Portable Static voltage of the present utility model is adopted and is read each part dimension of device, installation site all based on succinct, compact, easy to use design, is mainly used in Hydraulic and Hydro-Power Engineering Hydraulic Prototype Observation scene.It is very convenient to carry, be suitable in different construction environments, in Hydraulic Prototype Observation apparatus installation, debugging, checking process, realization to instrument make regular check on, the function such as performance criteria, initial value collection, easy to operate, use flexibly, solved the problem that overlaps power supply, operating platform, use multiple devices, good endurance; Cost low (cost of manufacture of whole instrument is 300 yuan of left and right), have easy to carry, simple to operate, apply efficient characteristics.
The accompanying drawing explanation
Fig. 1 is that Portable Static voltage of the present utility model is adopted and read device assembling floor map.
Fig. 2 is that Portable Static voltage of the present utility model is adopted and read the device circuit theory diagrams.
In figure, 1-shell, 2-charge port, 3-constant voltage source, 4(V2)-signal voltage table, 5(V1)-line voltmeter, 6-power switch.
Embodiment
Portable Static voltage of the present utility model is adopted and is read device by organic glass combination shell 1, the compositions such as 24V constant voltage source 3, power switch 6, line voltmeter 5 and the signal voltage table 4 in shell, two signal input parts, wire.Line voltmeter is connected in parallel on the positive and negative terminal of constant voltage source, and signal voltage table one end connects the constant voltage source negative pole, two signal input parts of other end series connection, and power switch is connected on the positive pole of constant voltage source.
Portable Static voltage is adopted and is read device and adopt three-wire system more, i.e. positive source, negative pole, signal output, and the main sensor-based mode signal output of circuit design, and consider the compatibility with dynamic signal acquisition.
The utility model outward appearance is a rectangular shape, and the instrument surface is designed to supply voltage gauge outfit, signal voltage gauge outfit, power switch, charge port, positive source connection terminal, power cathode connection terminal, two signal terminal (as shown in Figure 1).Assemble that instrument after complete is long is 13cm, wide is 9cm, and height is 5cm, and volume is little, carries very convenient; Shell has adopted the organic glass that 8mm is thick to make, good endurance.
The supply voltage gauge outfit, for showing the magnitude of voltage of constant voltage source, guarantees that the sensor power supply is sufficient; The signal voltage gauge outfit is for showing the voltage tester value of sensor; Charge port is for charging to constant voltage source.Test mode has two kinds, and is a kind of for the positive pole of instrument, negative pole, signal 1 termination join with sensor the end of a thread respectively, for inspection, the performance test of construction time sensor; A kind of for the positive pole of instrument, negative pole, signal 2 terminations join with sensor the end of a thread respectively, be used to observing simple inspection, the performance test of front sensor.
After Portable Static voltage is adopted and is read device and complete, reliability for the validation instrument use, in the calibration process of Jinghong Hydroelectric Power Project stiling basin prototype measurement pressure sensing transmitter, and the normal dynamic measurement result carried out contrast test, and the pressurization head of test is 0.8Mpa.Test findings shows (in Table 1): in 8 pressure units of test, the mean value that adopts portable voltage to adopt to read the device measurement result to measure than normal dynamic is slightly less than normal, but error is very little, and both maximum errors are 0.48%, can be applicable to inspection and performance criteria that field hydraulic is learned instrument.The actual service condition of building-site also shows, uses this instrument greatly to have promoted work efficiency, is applicable to complicated working-yard, to the observation in later stage and data analysis, provides necessary data supporting.
Table 1 Portable Static voltage is adopted and is read device and adopt and read result contrast
Claims (1)
1. a Portable Static voltage is adopted and is read device, it is characterized in that being formed by the constant voltage source in shell, shell, power switch, line voltmeter and signal voltage table, two signal input parts, wires, line voltmeter also is connected in the positive and negative terminal of constant voltage source, signal voltage table one end connects the constant voltage source negative pole, two signal input parts of other end series connection, power switch is connected on the positive pole of constant voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320328033XU CN203299257U (en) | 2013-06-07 | 2013-06-07 | Portable static voltage collecting reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320328033XU CN203299257U (en) | 2013-06-07 | 2013-06-07 | Portable static voltage collecting reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203299257U true CN203299257U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320328033XU Expired - Lifetime CN203299257U (en) | 2013-06-07 | 2013-06-07 | Portable static voltage collecting reader |
Country Status (1)
| Country | Link |
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| CN (1) | CN203299257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063222A (en) * | 2020-08-06 | 2021-07-02 | 深圳市同格科技有限公司 | Intelligent temperature control energy-saving device suitable for air conditioner and fan |
-
2013
- 2013-06-07 CN CN201320328033XU patent/CN203299257U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063222A (en) * | 2020-08-06 | 2021-07-02 | 深圳市同格科技有限公司 | Intelligent temperature control energy-saving device suitable for air conditioner and fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINESE ELECTRIC POWER CONSTRUCTION GROUP KUNMING Free format text: FORMER NAME: HYDROCHINA KUNMING ENGINEERING CORPORATION Owner name: HYDROCHINA KUNMING ENGINEERING CORPORATION Free format text: FORMER NAME: KUNMING HYDROELECTRIC INVESTIGATION + DESIGN INSTITUTE OF CHINA HYDROPOWER CONSULTING GROUP |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 650033 No. 115 East Renmin Road, Yunnan, Kunming Patentee after: POWER CHINA KUNMING ENGINEERING Corp.,Ltd. Address before: 650033 No. 115 East Renmin Road, Yunnan, Kunming Patentee before: HYDROCHINA KUNMING ENGINEERING Corp. Address after: 650033 No. 115 East Renmin Road, Yunnan, Kunming Patentee after: HYDROCHINA KUNMING ENGINEERING Corp. Address before: 650033 No. 115 East Renmin Road, Yunnan, Kunming Patentee before: Hydrochina Kunming Engineering Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |