CN208795798U - The wireless vector synchronized measurement system of zinc oxide arrester tester - Google Patents
The wireless vector synchronized measurement system of zinc oxide arrester tester Download PDFInfo
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- CN208795798U CN208795798U CN201821450822.XU CN201821450822U CN208795798U CN 208795798 U CN208795798 U CN 208795798U CN 201821450822 U CN201821450822 U CN 201821450822U CN 208795798 U CN208795798 U CN 208795798U
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- capacitor
- resistance
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Abstract
The utility model discloses a kind of wireless vector synchronized measurement systems of zinc oxide arrester tester, including converter U2 and integrated chip Um10C, Um10B, the pin 10 of the converter U2 is connected with resistance Rd15, pin 11 is connected with resistance Rd14, resistance Rd15 is grounded together with resistance Rd14, the pin 1 of converter U2 is serially connected with capacitor Cd11, Cd14, capacitor Cd11, Cd14 are connected on 5V potential circuit interface, are also parallel with capacitor Cd13, Cd12 on circuit where capacitor Cd11, Cd14.The wireless vector synchronized measurement system of this zinc oxide arrester tester, conversion process are acquired with data and are controlled using CONVST signal and internal oscillator, final to realize principal and subordinate's sample-synchronous.
Description
Technical field
The utility model relates to synchronous measurement technique field, the wireless vector of specially a kind of zinc oxide arrester tester
Synchronized measurement system.
Background technique
Wireless vector synchronous measurement technique is a kind of application CPU internal high frequency clock (40MHz) as time reference, pair
Voltage-phase is segmented, and therefore, clock reference frequency is higher more to the number of segment of wavelength-division in one week, in this way getting over to phase point
Carefully, it is also more accurate to measure.But AD is sampled due to lacking corresponding system at present and realizes that vector is synchronous, to realize essence
Really measurement phase angle, therefore it is badly in need of a kind of wireless vector of samples synchronization system to solve the problems, such as this.
Utility model content
The purpose of this utility model is to provide a kind of wireless vector synchronized measurement system of zinc oxide arrester tester,
The voltage signal of current signal and wireless module sampling to host sampling realizes two by wireless command start by set date AD conversion
Dispersed modules vector of samples close to synchronize, then by wireless distance finding progress phase angle amendment, thus realize remote-wireless sample to
Amount synchronizes, and solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of nothing of zinc oxide arrester tester
Line vector synchronized measurement system, including converter U2 and integrated chip Um10C, Um10B, the pin 10 of the converter U2
Be connected with resistance Rd15, pin 11 is connected with resistance Rd14, resistance Rd15 is grounded together with resistance Rd14, and converter U2's draws
Foot 1 is serially connected with capacitor Cd11, Cd14, and capacitor Cd11, Cd14 are connected on 5V potential circuit interface, where capacitor Cd11, Cd14
Capacitor Cd13, Cd12 are also parallel on circuit；The pin 10 of the integrated chip Um10C is connected to drawing for integrated chip Um10B
Foot 5, the pin 8 of integrated chip Um10C is connected to Fout output circuit, pin 9 is connected to CON-kz2 control circuit, integrates core
The pin 6 of piece Um10B is connected to CON-kz1 control circuit, pin 4 is connected to CONVST signal circuit.
Preferably, the model AD7606-6 of the converter U2.
Preferably, the model of integrated chip Um10C, Um10B is MC14093B.
Preferably, the pin 9 of the converter U2 is connected on 10 circuit interface of pin.
Compared with prior art, the beneficial effects of the utility model are as follows:
The wireless vector synchronized measurement system of this zinc oxide arrester tester, conversion process and data acquisition utilize
CONVST signal and internal oscillator are controlled；Using two CONVST pins, all six analogs can be inputted or
Two groups of analog input channels are sampled simultaneously, to take the phase difference between signal into account；AD is controlled simultaneously via CONVST signal
6 roads of converter U2 are converted, and are controlled CONVST signal by CON-kz1 and CON-kz2, are reached the conversion of control converter U2
Start and stop, it is final to realize principal and subordinate's sample-synchronous.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of wireless vector synchronized measurement system of zinc oxide arrester tester, including model
The pin 9 of integrated chip Um10C, Um10B of the converter U2 and model MC14093B of AD7606-6, converter U2 connects
It is connected on 10 circuit interface of pin, the pin 10 of converter U2 is connected with resistance Rd15, pin 11 is connected with resistance Rd14, electricity
Resistance Rd15 is grounded together with resistance Rd14, and the pin 1 of converter U2 is serially connected with capacitor Cd11, Cd14, and capacitor Cd11, Cd14 connect
It is connected on 5V potential circuit interface, is also parallel with capacitor Cd13, Cd12 on circuit where capacitor Cd11, Cd14；Integrated chip
The pin 10 of Um10C is connected to the pin 5 of integrated chip Um10B, and the pin 8 of integrated chip Um10C is connected to Fout output electricity
Road, pin 9 are connected to CON-kz2 control circuit, and the pin 6 of integrated chip Um10B is connected to CON-kz1 control circuit, pin 4
It is connected to CONVST signal circuit；High performance 16 6 Channel Synchronous oversampling A/D-converter U2 are selected, so that all 6 channels
The sampling rate that can realize highest 200kSPS can be located since built-in low noise, high impedance input and signal adjust amplifier
The input frequency of highest 22kHz is managed, and the signal-to-noise ratio of converter U2 is up to 90dB, selects in piece digital filter can be into
One step improves SNR performance, reduces error code, spread spectrum and improve anti-aliasing inhibition.
Calculation process: slave vector of samples is synchronous, and host sends starting AD conversion instruction to wireless module；Wireless module
AD conversion confirmation signal is returned after receiving, while starting AD conversion, setting " continuous AD sampling mark-is effectively " i.e. AD_ON_Flag
=1；Host receives " wireless AD conversion confirmation signal " and starts host A D conversion afterwards.In next step by standard source calibration, led
From the nonsynchronous corrected parameter a of signal phase, keep principal and subordinate's sampled signal vector synchronous after the amendment of this corrected parameter.It is leading every time
From when sampling (i.e. calibration, measurement), slave all carries out " shaking hands " communication, and by the 32 bit timing devices of CPU to master-slave communication
Signal transmission delay test, the transmission delay n_FCY measured is recorded, to principal and subordinate sampling phase be modified, from
And realize that principal and subordinate's sampling phase is also able to achieve after slave position change to be synchronized.
When wireless calibration, wireless " transmission-confirmation " average machine constant M32=0x002B, 80DE=2851038；
When on-the-spot test, wireless " transmission-confirmation " average machine constant X32, scene distance influences angle modification,
WX_JL_CS () function is multiple with identical " character string " follow-on test, is averaged；Test process are as follows: host hair
Timer value is recorded as T32-1 before sending " character string ", and wireless wireless module returns after " acknowledgement frame " host receives again after receiving
Secondary timer value of recording is T32-2；It so carries out 5 times, records 5 groups of data, be averaged.
In summary: the wireless vector synchronized measurement system of this zinc oxide arrester tester, conversion process are adopted with data
Collection is controlled using CONVST signal and internal oscillator；It, can be defeated to all six analogs using two CONVST pins
Enter or two groups of analog input channels while being sampled, to take the phase difference between signal into account；Simultaneously via CONVST signal
The 6 tunnels conversion for controlling converter U2, controls CONVST signal by CON-kz1 and CON-kz2, reaches control converter U2
Conversion start and stop, it is final to realize principal and subordinate's sample-synchronous.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of wireless vector synchronized measurement system of zinc oxide arrester tester, including converter U2 and integrated chip
Um10C, Um10B, it is characterised in that: the pin 10 of the converter U2 is connected with resistance Rd15, pin 11 is connected with resistance
Rd14, resistance Rd15 are grounded together with resistance Rd14, and the pin 1 of converter U2 is serially connected with capacitor Cd11, Cd14, capacitor
Cd11, Cd14 are connected on 5V potential circuit interface, are also parallel with capacitor Cd13, Cd12 on circuit where capacitor Cd11, Cd14；
The pin 10 of the integrated chip Um10C is connected to the pin 5 of integrated chip Um10B, and the pin 8 of integrated chip Um10C connects
It is connected to CON-kz2 control circuit in Fout output circuit, pin 9, the pin 6 of integrated chip Um10B is connected to CON-kz1 control
Circuit processed, pin 4 are connected to CONVST signal circuit.
2. a kind of wireless vector synchronized measurement system of zinc oxide arrester tester according to claim 1, feature
It is: the model AD7606-6 of the converter U2.
3. a kind of wireless vector synchronized measurement system of zinc oxide arrester tester according to claim 1, feature
Be: the model of integrated chip Um10C, Um10B is MC14093B.
4. a kind of wireless vector synchronized measurement system of zinc oxide arrester tester according to claim 1, feature
Be: the pin 9 of the converter U2 is connected on 10 circuit interface of pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450822.XU CN208795798U (en) | 2018-09-05 | 2018-09-05 | The wireless vector synchronized measurement system of zinc oxide arrester tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450822.XU CN208795798U (en) | 2018-09-05 | 2018-09-05 | The wireless vector synchronized measurement system of zinc oxide arrester tester |
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| Publication Number | Publication Date |
|---|---|
| CN208795798U true CN208795798U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821450822.XU Expired - Fee Related CN208795798U (en) | 2018-09-05 | 2018-09-05 | The wireless vector synchronized measurement system of zinc oxide arrester tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828313A (en) * | 2018-09-05 | 2018-11-16 | 保定威晟电力设备科技有限公司 | The wireless vector synchronized measurement system of zinc oxide arrester tester |
-
2018
- 2018-09-05 CN CN201821450822.XU patent/CN208795798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828313A (en) * | 2018-09-05 | 2018-11-16 | 保定威晟电力设备科技有限公司 | The wireless vector synchronized measurement system of zinc oxide arrester tester |
| CN108828313B (en) * | 2018-09-05 | 2024-01-30 | 保定威晟电力设备科技有限公司 | Wireless vector synchronous measurement system of zinc oxide arrester tester |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20190905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |