CN108896817A - Relay equipment output clamping potential test device with data recording function - Google Patents
Relay equipment output clamping potential test device with data recording function Download PDFInfo
- Publication number
- CN108896817A CN108896817A CN201811112561.5A CN201811112561A CN108896817A CN 108896817 A CN108896817 A CN 108896817A CN 201811112561 A CN201811112561 A CN 201811112561A CN 108896817 A CN108896817 A CN 108896817A
- Authority
- CN
- China
- Prior art keywords
- relay equipment
- voltage value
- pulse voltage
- output clamping
- microcomputer chip
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 10
- 241001269238 Data Species 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 230000006870 function Effects 0.000 description 31
- 238000000034 method Methods 0.000 description 6
- 230000035772 mutation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention provides the relay equipment output clamping potential test device for having data recording function, it is related to detecting the technical field of relay equipment, including：Multiple input terminals, AD conversion chip, microcomputer chip, display；Multiple input terminals, AD conversion chip, microcomputer chip, display are connected one by one；Multiple input terminals connect relay equipment output clamping, collected voltage is delivered to A/D chip by multiple input terminals；AD conversion chip is used to the voltage analog of input being converted into digital quantity；Microcomputer chip is used for logic judgment and executes instruction, and collected voltage signal is compared with preset threshold, and when being greater than preset threshold, LED light is bright, and buzzer issues drop drop sound；Liquid crystal display is used to receive the instruction of microcomputer chip transmission, and display real-time voltage, crest voltage and pulse voltage exceed the period of given threshold.Solving existing use multimeter, there may be cannot check pressing plate voltage jump.
Description
Technical field
The present invention relates to detection relay equipment technical fields, fill more particularly, to a kind of relay protection with data recording function
Set output clamping potential test device.
Background technique
Secondary device in substation is that the auxiliary measure, monitor to primary equipment, controlling, protecting, adjusting is set
It is standby.So the staff of electric system, needs at regular intervals to detect secondary device, detection secondary device is
No damage.When detecting relay equipment, using ONLLY to relay equipment input current and voltage, when the electric current and voltage of addition
When measuring sufficiently large, the corresponding defencive function movement of relay equipment, output clamping current potential correspondingly is jumped, usual general-purpose
Table measures the voltage value of relay equipment output clamping, however, since the signal that relay equipment issues is pulse signal, so,
When being measured with multimeter, the voltage jump situation of pulse signal is not observed.
Summary of the invention
In view of this, solving existing method the purpose of the present invention is to provide pulse voltage detection device and system and adopting
Not the case where not observing pulse voltage signal mutation with multimeter.
In a first aspect, the embodiment of the invention provides a kind of relay equipment output clamping current potential with data recording function
Measuring device, including：Multiple input terminals, AD conversion chip, microcomputer chip, display；The multiple input terminal, the AD conversion
Chip, the microcomputer chip, the display are connected one by one；
The multiple input terminal is used to connect one or more output clampings in relay equipment, by the multiple defeated
Enter end and the pulse voltage value in the relay equipment is delivered to the AD conversion chip；
The AD conversion chip is used to the simulated pulse voltage value being converted into the digitized pulse voltage
Value；
The microcomputer chip obtains to be shown for the digitized pulse voltage value to be compared with preset threshold
Real-time pulse voltage value, and it is sent to the display；The real-time pulse voltage value to be shown is described digitized described
Pulse voltage value is greater than digitized pulse voltage value when preset threshold；
The display carries out display and allows the user to more for receiving the real-time pulse voltage value to be shown
Get information about the outlet action situation of relay equipment.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein also
Including：Prompting device, the prompting device are connected with the microcomputer chip；
The microcomputer chip is also used to send prompt when the digitized pulse voltage value is greater than the preset threshold
Signal is to the prompting device, so that prompting device prompt user pays attention to the relay equipment outlet movement, output clamping voltage
It overflows.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
Stating prompting device includes LED light and/or loudspeaker.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
Microcomputer chip is stated to be also used to：When the digitized pulse voltage value is greater than preset threshold, start recording real-time arteries and veins to be shown
Voltage value is rushed, when the digitized pulse voltage value is less than preset threshold, is stopped recording.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein institute
Microcomputer chip is stated to be also used to：Duration of the digitized pulse voltage value greater than preset threshold when is recorded, and will
The duration is sent to display and is shown.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein institute
Microcomputer chip is stated to be also used to：Maximum value is being extracted from all real-time pulse voltage values to be shown, and the maximum value is being sent out
It send to display and is shown.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein institute
Microcomputer chip is stated to be also used to：Whether the voltage class in detection substation is converted, and adjusts the default threshold according to testing result
Value.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiments of first aspect, wherein institute
Microcomputer chip is stated to be also used to：Switch the switching position of switch in detection substation, to detect whether voltage class is converted, and according to
Testing result adjusts the preset threshold.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiments of first aspect, wherein institute
Stating device further includes：Key is reset, the clearing key is for after being triggered, all data that the microcomputer chip is recorded to be clear
Zero.
Second aspect, the embodiment of the invention also provides a kind of, and the relay equipment output clamping with data recording function is electric
Level measuring system, including：Emission source, relay equipment and the relay equipment output clamping potential measurement dress with data recording function
It sets, the output clamping in the relay equipment and the relay equipment output clamping potential measurement with data recording function fill
Set connected, the relay equipment output clamping potential test device with data recording function is any according to above-described embodiment
The relay equipment output clamping potential test device with data recording function described in；The emission source for input to after
Protection device one current and voltage quantities more than itself definite value, so that relay equipment acts.
The embodiment of the present invention brings following beneficial effect：By multiple input terminals by the voltage of relay equipment output clamping
Value is delivered to AD conversion chip, and the analogue value of input is converted into digitized pulse voltage value, microcomputer chip by AD conversion chip
For digitized pulse voltage value to be compared with preset threshold, real-time pulse voltage value to be shown is obtained, that is, relay protection dress
Movement is set, which is sent to display by output clamping potential jump, and display receives microcomputer core
The real-time pulse voltage value to be shown that piece is sent, and show information of voltage, it solves existing method and is not observed using multimeter
The case where pulse voltage signal is mutated.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the relay equipment output clamping potential measurement provided by one embodiment of the present invention with data recording function
The structure chart of device；
Fig. 2 is that the relay equipment output clamping current potential with data recording function that another embodiment of the present invention provides is surveyed
Measure the structure chart of device；
Fig. 3 is that the relay equipment output clamping current potential with data recording function that further embodiment of the present invention provides is surveyed
Measure the structure chart of device；
Fig. 4 is the relay equipment output clamping potential measurement system provided in an embodiment of the present invention with data recording function
Structure chart.
Icon：
The more a input terminals of 110-；120-AD conversion chip；130- microcomputer chip；140- display；150- prompting device；160-
Reset key；100- emission source；200- relay equipment；Relay equipment output clamping current potential of the 300- with data recording function is surveyed
Measure device.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, when detecting relay equipment, using ONLLY to relay equipment input current and voltage, when the electric current of addition
When sufficiently large with voltage, the corresponding defencive function movement of relay equipment, output clamping current potential correspondingly jumps, leads to
The voltage value of normal multimeter measurement relay equipment output clamping, however, since the signal that relay equipment issues is pulse signal, institute
Not observe the voltage jump situation of pulse signal when being measured with multimeter.
Based on this, a kind of relay equipment output clamping current potential survey with data recording function provided in an embodiment of the present invention
Device is measured, solves the case where existing method does not observe pulse voltage signal mutation using multimeter.
To be described in detail by following two embodiment convenient for understanding the present invention,
Embodiment one：
Present embodiments provide a kind of relay equipment output clamping potential test device with data recording function.It is being situated between
It continues before the present embodiment, introduces the application scenarios of the present embodiment first.The application scenarios of the present embodiment are：It first enters into be checked
Relay equipment one of survey is more than the current and voltage quantities of itself definite value, and relay equipment can act, thus the outlet of relay equipment
The current potential of pressing plate mutates, the relay equipment output clamping potential test device with data recording function in the present embodiment
Exactly judge the current potential of this pressing plate either with or without variation, and record this jump during important parameter.
As shown in connection with fig. 1, the embodiment of the invention provides a kind of relay equipment output clamping with data recording function
Potential test device includes：Multiple input terminals 110, AD conversion chip 120, microcomputer chip 130, display 140；Multiple input terminals
110, AD conversion chip 120, microcomputer chip 130, display 140 are connected one by one.
Wherein, multiple input terminals 110 are used to connect one or more output clampings in relay equipment, by multiple defeated
Enter end and the pulse voltage value in relay equipment is delivered to AD conversion chip 120.AD conversion chip 120 is used for simulated arteries and veins
It rushes voltage value and is converted into digitized pulse voltage value.Microcomputer chip 130 is used for digitized pulse voltage value and default threshold
Value is compared, and obtains real-time pulse voltage value to be shown, and be sent to display；Real-time pulse voltage value to be shown is number
The pulse voltage value changed is greater than digitized pulse voltage value when preset threshold.Display 140 for receive it is described to
It shows real-time pulse voltage value, and carries out the outlet movement feelings that display allows the user to more intuitive understanding relay equipment
Condition.
It should be noted that can have an input terminal 110 when the output clamping in relay equipment is one, when
When output clamping in relay equipment is multiple, it can have multiple input terminals 110.Such as：When in progress relay equipment detection
When, multiple output clampings movement of possible relay equipment can then generate multiple pulse voltages, so, it, can be in measuring device
Including multiple input terminals 110.In addition, microcomputer chip 130 can be handled simultaneously when measuring multiple pulse voltages simultaneously.
In addition, the microcomputer chip that the present invention uses, can with high precision, the real-time detection pressing plate voltage of high sample frequency, and
Pulse voltage value is shown on a display screen.
In summary, the relay equipment output clamping potential measurement dress provided in this embodiment with data recording function
It sets, the voltage value of relay equipment output clamping can be delivered to AD conversion chip by multiple input terminals, AD conversion chip will
The analogue value of input is converted into digitized pulse voltage value, and microcomputer chip is used for digitized pulse voltage value and default threshold
Value is compared, and obtains real-time pulse voltage value to be shown, that is, this is waited showing by relay equipment movement, output clamping potential jump
Showing that real-time pulse voltage value is sent to display, display receives the real-time pulse voltage value to be shown that microcomputer chip is sent, and
It shows information of voltage, solves the case where existing method does not observe pulse voltage signal mutation using multimeter.
Optionally, AD conversion chip can be：AD0809 chip or TLC7135 or TLC5510 etc..
Since the staff in display side can not monitor display in real time, it is based on this, the present embodiment also provides
A kind of relay equipment output clamping potential test device with data recording function.As shown in connection with fig. 2, including：It is multiple defeated
Enter end 110, AD conversion chip 120, microcomputer chip 130, display 140, prompting device 150, prompting device 150 and microcomputer chip 130
It is connected.
In conjunction with the relay equipment output clamping potential test device with data recording function in Fig. 2, the course of work is：
Microcomputer chip 130 is greater than default threshold in digitized pulse voltage value after judgement obtains real-time pulse voltage value to be shown
When value, standby signal is sent to prompting device 150, makes prompting device 150 that user be prompted to notice that relay equipment outlet acts, output clamping
Voltage overflows.The present embodiment can be by adding in the relay equipment output clamping potential test device with data recording function
Add prompting device, can the movement of call user's attention relay equipment outlet in time, avoid the occurrence of do not see, the phenomenon that mistake is seen.
Optionally, prompting device 150 is LED light and/or loudspeaker, and wherein loudspeaker can issue the sound of drop drop.
Specifically, when digitized pulse voltage value is greater than preset threshold, that is, the voltage signal of relay equipment occurs
When mutation, LED light is lighted, while loudspeaker can issue the sound of drop drop, and staff is prompted to pay attention to the voltage of the relay equipment
Signal mutates, so that staff can organize work in time.
Optionally, microcomputer chip is also used to：When digitized pulse voltage value is greater than preset threshold, start recording waits showing
Show real-time pulse voltage value, when the digitized pulse voltage value is less than preset threshold, stops recording.Meanwhile recording number
The pulse voltage value of word is greater than duration when preset threshold, extracts from all real-time pulse voltage values to be shown
Maximum value, and duration and maximum value are sent to display and shown.The present embodiment can be remembered by microcomputer chip
The performance of the maximum value of record and duration beyond threshold value qualitative analysis relay equipment in turn.
Wherein, the duration refers to the period experienced that mutates.It is mentioned in all real-time pulse voltage values to be shown
Take out all real-time pulse voltages to be shown that all real-time pulse voltage values to be shown in maximum value are current duration
Value.
Optionally, microcomputer chip is also used to：Whether the voltage class in detection substation is converted, and adjusts according to testing result
Whole preset threshold.
Wherein, microcomputer chip is to detect the switching position for switching switch in substation, to detect whether voltage class is converted,
And preset threshold is adjusted according to testing result.
Specifically, due in substation direct current system have a different voltages grade, usually 110V and two kinds of 220V, institute
In systems using the switching different voltages grade of a switching switch, to be based on this, microcomputer chip can switch according to detecting
The switching position of switch and dynamic itself adjustment threshold value, so as to for measuring substation's difference DC voltage level relay protection dress
The output clamping current potential set, so that the relay equipment output clamping potential measurement provided in this embodiment with data recording function
Device is more practical, convenient for coping with the substation for having different direct current systems.
Due to the limited memory of microcomputer chip, and after the completion of each test, a large amount of data may be stored, if
It clears up, may bring inconvenience to test next time not in time.Based on this, the present embodiment additionally provides another with data note
The relay equipment output clamping potential test device of recording function.As shown in connection with fig. 3, including：A or multiple input terminals 110, AD turn
It changes chip 120, microcomputer chip 130, display 140, reset key 160, reset key 160 and be connected with microcomputer chip 130.It resets
All zeros datas of the key 160 for after being triggered, microcomputer chip 130 to be recorded.Specifically, staff can be complete
After one-time detection, presses and reset key 160, all zeros datas that microcomputer chip 130 is recorded.
Embodiment two：
As shown in connection with fig. 4, the embodiment of the present invention also provides a kind of relay equipment output clamping with data recording function
Potential measurement system, including：Emission source 100, relay equipment 200 and the relay equipment output clamping electricity with data recording function
Level measuring arrangement 300, output clamping and the relay equipment output clamping with data recording function in relay equipment 200
Potential test device 300 is connected, and the relay equipment output clamping potential test device with data recording function is basis
The described in any item relay equipment output clamping potential test devices with data recording function of above-described embodiment；Emission source
100 for inputing to relay equipment one current and voltage quantities more than itself definite value, so that relay equipment acts.
The pulse detection system of the embodiment of the present invention, inputing to relay equipment one using emission source is more than itself definite value
Current and voltage quantities can be by multiple input terminals for being connect with the output clamping in relay equipment so that relay equipment acts
The voltage value of relay equipment output clamping is delivered to AD conversion chip, the analogue value of input is converted into number by AD conversion chip
The pulse voltage value of change, microcomputer chip obtain to be shown for digitized pulse voltage value to be compared with preset threshold
Real-time pulse voltage value, that is, relay equipment movement, output clamping potential jump send the real-time pulse voltage value to be shown
To display, display receives the real-time pulse voltage value to be shown that microcomputer chip is sent, and shows information of voltage, solves existing
There is the case where method does not observe pulse voltage signal mutation using multimeter.
The relay equipment output clamping potential measurement with data recording function provided by second embodiment of the invention
Device, realization principle is identical as previous embodiment, and to briefly describe, Installation practice part does not refer to place, before can refer to
State corresponding contents in embodiment.
Unless specifically stated otherwise, the opposite step of the component and step that otherwise illustrate in these embodiments, digital table
It is not limit the scope of the invention up to formula and numerical value.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "left", "right", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " third " are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.
Finally it should be noted that：Embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that：Anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of relay equipment output clamping potential test device with data recording function, which is characterized in that including：It is multiple
Input terminal, AD conversion chip, microcomputer chip, display；The multiple input terminal, the AD conversion chip, the microcomputer chip,
The display is connected one by one；
The multiple input terminal is used to connect one or more output clampings in relay equipment, to pass through the multiple input terminal
Pulse voltage value in the relay equipment is delivered to the AD conversion chip；
The AD conversion chip is used to the simulated pulse voltage value being converted into the digitized pulse voltage value；
The microcomputer chip obtains to be shown real-time for the digitized pulse voltage value to be compared with preset threshold
Pulse voltage value, and it is sent to the display；The real-time pulse voltage value to be shown is the digitized pulse
Voltage value is greater than digitized pulse voltage value when preset threshold；
The display carries out display and allows the user to more intuitively for receiving the real-time pulse voltage value to be shown
Understanding relay equipment outlet action situation.
2. the apparatus according to claim 1, which is characterized in that further include：Prompting device, the prompting device and the microcomputer core
Piece is connected；
The microcomputer chip is also used to send standby signal when the digitized pulse voltage value is greater than the preset threshold
To the prompting device, so that prompting device prompt user pays attention to the relay equipment outlet movement, output clamping voltage overflows.
3. the apparatus of claim 2, which is characterized in that the prompting device includes LED light and/or loudspeaker.
4. the apparatus according to claim 1, which is characterized in that the microcomputer chip is also used to：In the digitized arteries and veins
When rushing voltage value greater than preset threshold, start recording real-time pulse voltage value to be shown, in the digitized pulse voltage value
When less than preset threshold, stop recording.
5. device according to claim 4, which is characterized in that the microcomputer chip is also used to：It records described digitized
The pulse voltage value is greater than duration when preset threshold, and the duration is sent to display and is shown.
6. device according to claim 4 or 5, which is characterized in that the microcomputer chip is also used to：From all to be shown
Maximum value is extracted in real-time pulse voltage value, and the maximum value is sent to display and is shown.
7. the apparatus according to claim 1, which is characterized in that the microcomputer chip is also used to：Detect the electricity in substation
Whether pressure grade is converted, and adjusts the preset threshold according to testing result.
8. device according to claim 7, which is characterized in that the microcomputer chip is also used to：Switch in detection substation
The switching position of switch to detect whether voltage class is converted, and adjusts the preset threshold according to testing result.
9. the apparatus according to claim 1, which is characterized in that described device further includes：Reset key, the clearing key
After being triggered, all zeros datas that the microcomputer chip is recorded.
10. a kind of relay equipment output clamping potential measurement system with data recording function, which is characterized in that including：Hair
Source, relay equipment and the relay equipment output clamping potential test device with data recording function are penetrated, in the relay equipment
Output clamping be connected with the relay equipment output clamping potential test device with data recording function, it is described with number
Relay equipment output clamping potential test device according to writing function is -9 described in any item with data according to claim 1
The relay equipment output clamping potential test device of writing function；The emission source is more than it for inputing to relay equipment one
The current and voltage quantities of itself definite value, so that relay equipment acts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112561.5A CN108896817A (en) | 2018-09-21 | 2018-09-21 | Relay equipment output clamping potential test device with data recording function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112561.5A CN108896817A (en) | 2018-09-21 | 2018-09-21 | Relay equipment output clamping potential test device with data recording function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108896817A true CN108896817A (en) | 2018-11-27 |
Family
ID=64359607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811112561.5A Pending CN108896817A (en) | 2018-09-21 | 2018-09-21 | Relay equipment output clamping potential test device with data recording function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896817A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488083A (en) * | 2019-08-16 | 2019-11-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of relay protection outlet pressing plate pulse voltage detection device, method and circuit |
| CN116206667A (en) * | 2023-04-28 | 2023-06-02 | 合肥康芯威存储技术有限公司 | Chip testing method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237603A (en) * | 2014-08-28 | 2014-12-24 | 深圳供电局有限公司 | Pulse voltage detecting device for multiple outlet pressing boards of relay protection |
-
2018
- 2018-09-21 CN CN201811112561.5A patent/CN108896817A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237603A (en) * | 2014-08-28 | 2014-12-24 | 深圳供电局有限公司 | Pulse voltage detecting device for multiple outlet pressing boards of relay protection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488083A (en) * | 2019-08-16 | 2019-11-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of relay protection outlet pressing plate pulse voltage detection device, method and circuit |
| CN116206667A (en) * | 2023-04-28 | 2023-06-02 | 合肥康芯威存储技术有限公司 | Chip testing method and device |
| CN116206667B (en) * | 2023-04-28 | 2023-08-08 | 合肥康芯威存储技术有限公司 | Chip testing method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203929904U (en) | The charged solution loop device of a kind of straight-flow system | |
| CN113933565B (en) | Measurement indicating device and method for relay pressure protection plate | |
| CN108896817A (en) | Relay equipment output clamping potential test device with data recording function | |
| JP6272379B2 (en) | Cable inspection device and cable inspection system | |
| CN104833855A (en) | Alarm instrument for on-line monitoring of insulation resistance of high-voltage equipment | |
| CN107024628B (en) | Testing device and alternating current power supply detection method thereof | |
| CN101975902B (en) | Intelligent detector for embedded system surge protection device (SPD) | |
| CN107966643B (en) | Interactive visualization device for real-time test data and implementation method thereof | |
| CN204855788U (en) | Error treater and electric energy meter calibration device | |
| CN208459476U (en) | Current in resistance property detection device and arrester checks system | |
| CN209247874U (en) | A kind of combined-voltage detection device applied to distribution secondary device | |
| CN208239888U (en) | Entire car controller automatic testing equipment | |
| CN112180265A (en) | Battery tester | |
| CN210181590U (en) | MCU parameter testing system | |
| US11650235B2 (en) | Power metering transducer system | |
| CN213633620U (en) | Loop resistance tester | |
| CN212675078U (en) | Insulation monitoring device based on direct current system | |
| US10429437B2 (en) | Automatically generated test diagram | |
| CN211123024U (en) | PCB branch current detection device and PCB detection system | |
| CN210803623U (en) | Charger detection device and system | |
| CN105606988A (en) | Circuit tester | |
| CN201804066U (en) | Intelligent detection instrument for surge protector of embedded system | |
| CN207366067U (en) | A kind of electronic weighing instrument | |
| CN107727922B (en) | A kind of control method of voltage check device, storage medium and equipment | |
| CN207037008U (en) | Insulating check instrument and insulating check system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |