CN205176223U - Tester takes place for readable formula direct current - Google Patents
Tester takes place for readable formula direct current Download PDFInfo
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- CN205176223U CN205176223U CN201521019912.XU CN201521019912U CN205176223U CN 205176223 U CN205176223 U CN 205176223U CN 201521019912 U CN201521019912 U CN 201521019912U CN 205176223 U CN205176223 U CN 205176223U
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- 238000012360 testing method Methods 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model discloses a tester takes place for readable formula direct current, be in including casing, setting the inside adjustable D. C. Regulated power supply of casing, adjustable D. C. Regulated power supply includes voltage control device, input power source, anodal test interface, negative pole test interface, inside voltage sensor, current sensor, the microprocessor of still being provided with of casing. An object of the utility model is to provide a tester takes place for readable formula direct current solves prior art cutout ware low -voltage divide -shut brake testing arrangement and can only test by the single -point, and the problem of function singleness, realizes that continuously adjustable tester output voltage is and the purpose of information such as automatic display power, resistance value.
Description
Technical field
The utility model relates to breaker tester field, specifically relates to a kind of readable formula direct current generation tester.
Background technology
Isolating switch, refers to the electric current that can close, carry and cut-off under normal loop condition, and can close, the switchgear of carrying and the electric current under cut-offfing abnormal loop condition in official hour.The test of isolating switch low-voltage divide-shut brake is an important content of circuit breaker characteristic test, is mainly used to sensitivity and the reliability of investigating breaker coil, and the performance of whole operating mechanism under non-rated operational voltage.Relevant regulations according to about operating mechanism in China power industry standard DL/T593-1996 " Common specifications for HV switchgear enquiries and orders ": when the switching voltage of operating mechanism is within the scope of 85% ~ 110%Un, operating mechanism should reliably close a floodgate; Voltage is when being greater than 65%Un, and isolating switch should reliable separating brake, and when voltage is less than 30%Un, isolating switch should separating brake.
Existing isolating switch low-voltage test mainly takes single point method of testing; completed by common relay-protection tester; its operation is more complicated; carry inconvenience; function is relatively single: it can only adopt separately an investigation coil divide-shut brake action situation; the output voltage of testing tool is set to required voltage value, 66V as corresponding in 30%Un voltage, the test voltage set is added in divide-shut brake coil two ends and observes isolating switch whether action.The result of this test has very large unreliability, such as when checking isolating switch characteristic of low voltage, the independent one point union investigating 30%Un, 65%Un or 80%Un corresponding is not exclusively reliable, the working value that can run into breaker coil in practical operation be certain among a small circle in the situation of fluctuation, the judgement now using the method for testing of single-point type just easily to produce error must to make mistake.In addition, in real work, sometimes need to grasp in real time actual act electric current when surveying the power consumption of device, resistance value and coil motion, and existing proving installation also cannot directly draw this category information.
Utility model content
The purpose of this utility model is to provide a kind of readable formula direct current generation tester, solving in prior art isolating switch low-voltage divide-shut brake proving installation can only single-spot testing, and the problem of function singleness, realize regulating tester output voltage continuously and the object automatically showing the information such as power, resistance value.
The utility model is achieved through the following technical solutions:
A kind of readable formula direct current generation tester, comprise housing, be arranged on the stabilized voltage supply of described enclosure interior, described stabilized voltage supply is adjustable D. C regulated, described adjustable D. C regulated comprises voltage regulating device, input power interface, positive pole test interface, negative pole test interface, described voltage regulating device, positive pole test interface, negative pole test interface is all arranged at described housing upper surface, described input power interface is arranged at described housing side, described enclosure interior is also provided with voltage sensor, current sensor, microprocessor, described voltage sensor, the signal output part of current sensor is communicated with the signal receiving end of described microprocessor, the signal output part of described microprocessor is communicated to display screen, described display screen is arranged at described housing upper surface.Can only single-spot testing for existing isolating switch low-voltage divide-shut brake proving installation, and the problem of function singleness, the utility model is by selecting adjustable D. C regulated, realize the object regulating testing tool output voltage continuously, reach in use continuous setup output voltage, obtain the object of accurate test result; In addition, by being arranged on voltage sensor, current sensor, the microprocessor in a kind of readable formula direct current generation tester housing, the object automatically showing the information such as power, resistance value is realized.In use procedure, isolating switch to be measured or coil are connected between described positive pole test interface, negative pole test interface, by described input power interface incoming transport power supply, conversion is carried out and voltage stabilizing through described adjustable D. C regulated, and as required by voltage regulating device regulation output voltage.In addition, in utility model works process, described voltage sensor, current sensor can be monitored the current/voltage value of output terminal in real time and transfer to microprocessor, described microprocessor is according to the resistance formula R=U/I, the horse-power formula P=UI that preset, calculate the resistance value of tested instrument, real time power consumption, and electric current, voltage, resistance, performance number are all transferred to the display of described display screen, be convenient to user and read intuitively.
Further, described voltage regulating device is knob touch pad.
Further, described display screen is LED display.LED display brightness is high, visual angle large, long service life, easy to use.
To sum up, the utility model compared with prior art, by adjustable D. C regulated, voltage sensor, current sensor, microprocessor, realizes regulating tester output voltage continuously and the object automatically showing the information such as power, resistance value.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment.
Numbering in figure is followed successively by: 1-housing, 2-voltage regulating device, 3-input power interface, 4-positive pole test interface, 5-negative pole test interface, 6-display screen.
Embodiment
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1:
The readable formula direct current of one as shown in Figure 1 generation tester, comprise housing 1, be arranged on the stabilized voltage supply of described housing 1 inside, described stabilized voltage supply is adjustable D. C regulated, described adjustable D. C regulated comprises voltage regulating device 2, input power interface 3, positive pole test interface 4, negative pole test interface 5, described voltage regulating device 2, positive pole test interface 4, negative pole test interface 5 is all arranged at described housing 1 upper surface, described input power interface 3 is arranged at described housing 1 side, described housing 1 inside is also provided with voltage sensor, current sensor, microprocessor, described voltage sensor, the signal output part of current sensor is communicated with the signal receiving end of described microprocessor, the signal output part of described microprocessor is communicated to display screen 6, described display screen 6 is arranged at described housing 1 upper surface.In the utility model use procedure, isolating switch to be measured or coil are connected between described positive pole test interface 4, negative pole test interface 5, by described input power interface 3 incoming transport power supply, conversion is carried out and voltage stabilizing through described adjustable D. C regulated, and as required by voltage regulating device regulation output voltage.In addition, in utility model works process, described voltage sensor, current sensor can be monitored the current/voltage value of output terminal in real time and transfer to microprocessor, described microprocessor is according to the resistance formula R=U/I, the horse-power formula P=UI that preset, calculate the resistance value of tested instrument, real time power consumption, and electric current, voltage, resistance, performance number are all transferred to described display screen 6 and show, be convenient to user and read intuitively.
Embodiment 2:
The readable formula direct current of one as shown in Figure 1 generation tester, on the basis of embodiment 1, described voltage regulating device is knob, and described display screen is LED display.LED display brightness is high, visual angle large, long service life, easy to use.User is changed by adjusting knob control voltage, and is observed by display screen, realizes the continuous setup of voltage.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a readable formula direct current generation tester, comprise housing (1), be arranged on the stabilized voltage supply that described housing (1) is inner, it is characterized in that: described stabilized voltage supply is adjustable D. C regulated, described adjustable D. C regulated comprises voltage regulating device (2), input power interface (3), positive pole test interface (4), negative pole test interface (5), described voltage regulating device (2), positive pole test interface (4), negative pole test interface (5) is all arranged at described housing (1) upper surface, described input power interface (3) is arranged at described housing (1) side, described housing (1) inside is also provided with voltage sensor, current sensor, microprocessor, described voltage sensor, the signal output part of current sensor is communicated with the signal receiving end of described microprocessor, the signal output part of described microprocessor is communicated to display screen (6), described display screen (6) is arranged at described housing (1) upper surface.
2. one according to claim 1 readable formula direct current generation tester, is characterized in that: described voltage regulating device (2) is knob or touch pad.
3. one according to claim 1 readable formula direct current generation tester, is characterized in that: described display screen (6) is LED display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019912.XU CN205176223U (en) | 2015-12-10 | 2015-12-10 | Tester takes place for readable formula direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019912.XU CN205176223U (en) | 2015-12-10 | 2015-12-10 | Tester takes place for readable formula direct current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205176223U true CN205176223U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521019912.XU Active CN205176223U (en) | 2015-12-10 | 2015-12-10 | Tester takes place for readable formula direct current |
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| Country | Link |
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| CN (1) | CN205176223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359020A (en) * | 2021-06-18 | 2021-09-07 | 江阴市懿泓电气有限公司 | Automatic monitoring device for working parameters of circuit breaker |
-
2015
- 2015-12-10 CN CN201521019912.XU patent/CN205176223U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113359020A (en) * | 2021-06-18 | 2021-09-07 | 江阴市懿泓电气有限公司 | Automatic monitoring device for working parameters of circuit breaker |
| CN113359020B (en) * | 2021-06-18 | 2023-12-22 | 江阴市懿泓电气有限公司 | Automatic monitoring device for working parameters of circuit breaker |
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| GR01 | Patent grant |