CN210376658U - Non-contact type static voltmeter calibration equipment - Google Patents
Non-contact type static voltmeter calibration equipment Download PDFInfo
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- CN210376658U CN210376658U CN201920939171.9U CN201920939171U CN210376658U CN 210376658 U CN210376658 U CN 210376658U CN 201920939171 U CN201920939171 U CN 201920939171U CN 210376658 U CN210376658 U CN 210376658U
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Abstract
The utility model provides a calibration equipment of non-contact static voltmeter, including dull and stereotyped electrode and place the platform, place the bench including the glass board that supplies the voltmeter that awaits measuring to place, including cross slip table and camera subassembly, cross slip table including base and mounting bracket, the platform of placing install on the mounting bracket, the mounting bracket can follow base lateral sliding, the platform of placing can follow mounting bracket longitudinal sliding, the camera subassembly including the industry camera, the industry camera aim at the voltmeter reading setting. The utility model provides a use more convenient, safer non-contact static voltmeter calibration equipment.
Description
Technical Field
The utility model relates to a calibration equipment of non-contact static voltmeter.
Background
In the production process of electronic products, most sensitive electronic components can be damaged by electrostatic voltage, and electromagnetic waves generated by electrostatic discharge can also interfere with the normal operation of electronic equipment. In order to ensure safe production and product quality, the electrostatic voltage is measured, and currently, a digital non-contact electrostatic voltmeter (hereinafter referred to as a voltmeter) is generally adopted to measure the electrostatic voltage, and the accuracy of the electrostatic voltmeter directly leads to a measurement result of the electrostatic voltage. For this reason, third party calibration mechanism has developed an electricity voltmeter calibration equipment, it is including dull and stereotyped electrode and place the platform, place the platform including the glass board that the voltmeter that supplies to await measuring placed, test the voltmeter through the electric field that dull and stereotyped motor produced, later adopt the mode of artifical record to carry out the record data through testing personnel, consequently, need be close to the calibration equipment at the in-process that detects, the reading on the voltmeter is taken notes, later adjust the voltmeter through the operation panel, so reciprocal, there is complex operation's problem, and there is the risk of electrocuteeing when being close to the calibration equipment record reading.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a use non-contact static voltmeter calibration equipment more convenient, safer.
In order to realize the above-mentioned purpose, the utility model provides a calibration equipment of non-contact static voltmeter, including dull and stereotyped electrode and place the platform, place the bench including the glass board that supplies the voltmeter that awaits measuring to place, including cross slip table and camera module, cross slip table including base and mounting bracket, the platform of placing install on the mounting bracket, the mounting bracket can follow base lateral sliding, the platform of placing can follow mounting bracket longitudinal sliding, the camera module including the industry camera, the industry camera aim at voltmeter reading setting.
The technical scheme has the advantages that: the specific operation is that before the test, adjust the voltmeter to after contacting with standard flat plate electrode contact, according to the test requirement, through placing the platform to the cross slip table vertically or horizontal slip, later detect the voltmeter of placing at the glass board through the electric field that flat plate electrode produced to shoot the record back by industry camera to the voltmeter reading, transmit to the operation panel. Compared with the prior art, the industrial camera shoots and samples readings of the voltmeter, then transmits the readings to the operating platform for processing, does not need detection personnel to be close to the checking device, records the readings, avoids the detection personnel between the reciprocating checking device and the operating platform, is more convenient to use, does not need to be close to the checking device to record the readings, avoids the risk of electric shock, and is safer.
The utility model discloses can further set up to: the camera assembly comprises an annular light source positioned on one side of the industrial camera.
Through further setting, through annular light source's setting, guarantee that illumination is sufficient, better to imaging to the reading on the voltmeter.
The utility model discloses can further set up to: the mounting bracket on including link plate and logical groove, lead to the vertical setting of groove, and lead to the inslot and slide and be provided with the connecting piece, the both ends of connecting piece are fixed mutually with placing platform and link plate respectively, the subassembly of making a video recording still including base and support, base installation link plate on, the support setting on the base to it is fixed to form the industry camera.
Through further setting up, because the both ends of connecting piece are connected with placing platform and link plate respectively, make the link plate can follow and place platform longitudinal sliding to after adjusting the position of placing the platform, need not to adjust the convenient to use to the orientation of subassembly of making a video recording.
The utility model discloses can further set up to: the camera shooting assembly further comprises an installation cylinder, the installation cylinder is sleeved on the outer side of the industrial camera, and the support fixes the industrial camera through the installation cylinder.
Through further setting up, the support is fixed the industry camera through an installation section of thick bamboo, and the dress of the industry camera of being convenient for is got and is maintained.
The utility model discloses can further set up to: the installation section of thick bamboo including the base of taking the installing port, with base sliding connection's pars contractilis and can order about the elasticity portion that pars contractilis retracted, pars contractilis stretch out when the installation section of thick bamboo is packed into to industrial camera, installing port department be provided with two shielding pieces that form the cover to it when closed, shielding piece and pars contractilis between be provided with the driving medium, the driving medium can make two shielding pieces closed or open when pars contractilis stretched out or is retracted.
Through further setting up, when putting into the installation section of thick bamboo with industry camera, because the produced pressure of dead weight of industry camera, elastic deformation takes place for elastic component, makes the pars contractilis slide and stretches out to drive two shielding parts and close mutually, form to cover the installing port, thereby form the parcel protection to industry camera. When the industrial camera needs to be taken out, the telescopic part is pushed to retract, the two shielding pieces stretch, and the elastic part can drive the telescopic part to retract.
The utility model discloses can further set up to: the placing table is provided with a hoop which forms fixation to the support in an extending mode.
Through further setting up, the clamp can be fixed to the support formation, prevents that the support from swinging, empting. And the clamp is formed by placing the platform extension, avoids forming the interference to placing the motion of platform.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic block diagram of an embodiment of the present invention;
fig. 3 is a schematic diagram of an embodiment of the present invention;
fig. 4 is a partial schematic view of an embodiment of the present invention;
fig. 5 is a front view of the mounting cylinder in an embodiment of the present invention;
fig. 6 is a top view of the mounting barrel in the embodiment of the present invention.
Detailed Description
The utility model discloses non-contact static voltmeter school examines embodiment of device and shows for fig. 1-6: including dull and stereotyped electrode 1, place platform 2, cross slip table 3 and camera module 4, place the glass board 21 that the voltmeter that includes to supply to await measuring on the platform 2, cross slip table 3 including base 31 and mounting bracket 32, place platform 2 and install on mounting bracket 32, mounting bracket 32 can follow base 31 lateral sliding, place platform 2 and can follow mounting bracket 32 longitudinal sliding, camera module 4 including industry camera 41, industry camera 41 aim at the voltmeter reading setting. In this embodiment, as shown in fig. two: the direct-current high-voltage regulating module comprises a voltage regulating circuit, an oscillation boosting circuit, a voltage stabilizing filter circuit, a high-voltage feedback circuit and the like. Direct current control input: (0-5) V; direct current high voltage feedback output: +/-0-5V; direct current high voltage output: +/-0-20 kV; the maximum allowable error is: 0.5% FS; stability: the direct current voltage is less than 0.02%/min of the full range; the adjustment fineness is as follows: 0.01 percent; direct current ripple coefficient: is less than 1%. In the device, the module acquires a direct current input voltage value and outputs direct current high voltage and direct current high voltage feedback voltage according to proportion. Agilent 34401A is a 6.5 bit resolution digital multimeter with a basic DC voltage accuracy of 0.0015%. In the device, the digital multimeter is used for acquiring the output voltage value of the high-voltage feedback circuit. The porphyry USB-4716 module supports two (0-5) V analog outputs and 16-bit resolution. In the device, the USB module is used for regulating and outputting (0-5) V voltage to the direct-current high-voltage regulating module, and the minimum regulating voltage is 0.0001V. The specific principle is shown in fig. 3: according to a set voltage value Uset, the upper computer controls the USB-4716 to output an analog voltage value Uout to a high-voltage regulating module, a real-time direct-current high-voltage feedback voltage Ufed is obtained from an Agilent 34401A through an RS232 serial port, the feedback voltage is multiplied by a transformer transformation ratio Rate, the ratio Vol _ Rate of the feedback voltage (multiplied by the transformation ratio) to the set voltage value is judged, boosting is carried out, the voltage is stopped, and the voltage is reduced until the set voltage value is reached in real time, according to JJF1517-2015 'calibration specification of a non-contact electrostatic voltage measuring instrument', the calibration voltage value is at least 10%, 20%, 50% and 100% of a measuring range, the set voltage value Uset is from 2kV to 20kV, the voltage is regulated by adopting a fixed step length according to the analog voltage value Uout from 0V to 5V, and the large-voltage boosting speed is extremely slow, so that. Assuming that the high voltage regulation module is linear boost (actually non-linear), the expected analog voltage value should be equal to the set voltage value divided by the transformation ratio, i.e. Uout = Uset/Rate, set Step size Step1 = (Uset/Rate)/10; step2= (Uset/Rate)/100; step3 = (Uset/Rate)/1000, and the corresponding Step size is adopted for pressure regulation by combining the judgment of the Vol _ Rate value, so that the efficiency is greatly improved. The camera assembly 4 further comprises an annular light source 42 located on one side of the industrial camera 41. Mounting bracket 32 on including link plate 321 and logical groove 322, logical groove 322 vertically sets up, and it is provided with connecting piece 5 to lead to slide in the groove 322, the both ends of connecting piece 5 respectively with place platform 2 and link plate 321 fixed mutually, camera module 4 still including base 43 and support 44, base 43 install on the link plate 321, support 44 set up on base 43 to form fixedly to industry camera 41. The camera shooting assembly 4 further comprises an installation cylinder 45, the installation cylinder 45 is sleeved on the outer side of the industrial camera 41, and the support 44 fixes the industrial camera 41 through the installation cylinder 45. The mounting barrel 45 comprises a base portion 452 with a mounting opening 451, a telescopic portion 453 slidably connected with the base portion 452, and an elastic portion 454 capable of driving the telescopic portion 453 to retract, the telescopic portion 453 extends out when the industrial camera 41 is mounted in the mounting barrel 45, two shielding members 455 covering the mounting opening 451 when the mounting opening is closed are arranged at the mounting opening 451, a transmission member 456 is arranged between the shielding members 455 and the telescopic portion 453, and the transmission member 456 can enable the two shielding members 455 to be closed or opened when the telescopic portion 453 extends out or retracts. In this embodiment, the shielding member 455 is made of an elastic material, one side of the shielding member 455 is fixed to the inner wall of the installation opening 451, the transmission member 456 is a pull rope, the middle section of the transmission member 456 is inserted into the edge 4551 of the other side of the shielding member 455, both ends of the transmission member 456 are connected to the telescopic portion 453, and the transmission member 456 can drive the edge 4551 of the other side of the two shielding members 455 to be stretched and closed when tightened. With the arrangement, when the telescopic part 453 extends out, the transmission member 456 is stretched under the pulling of the telescopic part 453 to drive the edges 4551 of the other sides of the two shielding members 455 to be stretched to be closed, and the shielding members 455 are made of elastic materials, so that the transmission member 456 and the self are reset under the driving of the self elasticity after the telescopic part 453 retracts, and the telescopic part is simple in structure and easy to use. The placing table 2 is provided with a clamp 22 extending and fixing the bracket 44.
The above examples are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a non-contact static voltmeter calibration equipment, including dull and stereotyped electrode and place the platform, place the bench including the glass board that supplies the voltmeter that awaits measuring to place, its characterized in that: including cross slip table and the subassembly of making a video recording, cross slip table including base and mounting bracket, place the bench mount on the mounting bracket, the mounting bracket can follow base lateral sliding, place the platform and can follow mounting bracket longitudinal sliding, the subassembly of making a video recording including the industry camera, the industry camera aim at voltmeter reading setting.
2. The verification device according to claim 1, wherein: the camera assembly comprises an annular light source positioned on one side of the industrial camera.
3. The verification device according to claim 1 or 2, wherein: the mounting bracket on including link plate and logical groove, lead to the vertical setting of groove, and lead to the inslot and slide and be provided with the connecting piece, the both ends of connecting piece are fixed mutually with placing platform and link plate respectively, the subassembly of making a video recording still including base and support, base installation link plate on, the support setting on the base to it is fixed to form the industry camera.
4. A verification device according to claim 3, wherein: the camera shooting assembly further comprises an installation cylinder, the installation cylinder is sleeved on the outer side of the industrial camera, and the support fixes the industrial camera through the installation cylinder.
5. The non-contact electrostatic voltmeter verification device of claim 4, wherein: the installation section of thick bamboo including the base of taking the installing port, with base sliding connection's pars contractilis and can order about the elasticity portion that pars contractilis retracted, pars contractilis stretch out when the installation section of thick bamboo is packed into to industrial camera, installing port department be provided with two shielding pieces that form the cover to it when closed, shielding piece and pars contractilis between be provided with the driving medium, the driving medium can make two shielding pieces closed or open when pars contractilis stretched out or is retracted.
6. The verification device according to claim 4 or 5, wherein: the placing table is provided with a hoop which forms fixation to the support in an extending mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939171.9U CN210376658U (en) | 2019-06-20 | 2019-06-20 | Non-contact type static voltmeter calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939171.9U CN210376658U (en) | 2019-06-20 | 2019-06-20 | Non-contact type static voltmeter calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210376658U true CN210376658U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920939171.9U Expired - Fee Related CN210376658U (en) | 2019-06-20 | 2019-06-20 | Non-contact type static voltmeter calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210376658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630718A (en) * | 2020-10-22 | 2021-04-09 | 国网浙江省电力有限公司杭州供电公司 | Intelligent auxiliary device for electric energy meter verification fault judgment |
-
2019
- 2019-06-20 CN CN201920939171.9U patent/CN210376658U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630718A (en) * | 2020-10-22 | 2021-04-09 | 国网浙江省电力有限公司杭州供电公司 | Intelligent auxiliary device for electric energy meter verification fault judgment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |