CN203519676U - Detection device for electronic components in middle-and-low-voltage equipment - Google Patents

Detection device for electronic components in middle-and-low-voltage equipment Download PDF

Info

Publication number
CN203519676U
CN203519676U CN201320342153.5U CN201320342153U CN203519676U CN 203519676 U CN203519676 U CN 203519676U CN 201320342153 U CN201320342153 U CN 201320342153U CN 203519676 U CN203519676 U CN 203519676U
Authority
CN
China
Prior art keywords
voltage
unit
low
selector switch
test
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.)
Withdrawn - After Issue
Application number
CN201320342153.5U
Other languages
Chinese (zh)
Inventor
程强
刘士杰
王震宇
罗红波
朱刚宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tellhow Sci Tech Co Ltd
Original Assignee
Tellhow Sci Tech Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tellhow Sci Tech Co Ltd filed Critical Tellhow Sci Tech Co Ltd
Priority to CN201320342153.5U priority Critical patent/CN203519676U/en
Application granted granted Critical
Publication of CN203519676U publication Critical patent/CN203519676U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a detection device for electronic components in middle-and-low-voltage equipment, wherein the device is used for testing the performances of electronic components in the middle-and-low-voltage equipment. The detection device comprises a voltage conversion module (110). The voltage conversion module (110) comprises a power supply input end (111), a voltage transformation unit (112), a first selector switch (113), a rectifier and filter unit (114) and a voltage output end (117), wherein the above parts are sequentially connected with an external industrial voltage source. The voltage transformation unit (112) is configured to transform the voltage of the power supply input end (111) into different voltage values. The first selector switch (113) is configured to select one voltage value out of the voltage values obtained through the transformation of the voltage transformation unit (112) as an output voltage. The rectifier and filter unit (114) is configured to convert the AC voltage selected and outputted by the first selector switch (113) into a DC voltage. The voltage output end (117) is selectively connected with the first selector switch (113) or the rectifier and filter unit (114). The above detection device is capable of outputting an AC voltage, a DC voltages, an AC current and a DC current of different values. Therefore, the device can meet the requirements of various tests on different electronic components in the middle-and-low-voltage equipment.

Description

Medium/low-voltage equipment internal electronic element pick-up unit
Technical field
The utility model relates to the transmission facility field of electric system, particularly a kind of medium/low-voltage equipment internal electronic element pick-up unit that the electronic component of medium/low-voltage equipment inside is detected.
Background technology
Less to the test measuring ability of used pick-up unit of its internal electronic element in tradition medium/low-voltage equipment, separate unit pick-up unit can not meet the examination requirements of different electronic components simultaneously, electronic component as to be tested in some is when test, need to input the detection voltage of AC220V, and other electron component is when test, need to input the detection voltage of DC6V.In this case, conventionally need to provide many pick-up units to test the electronic component of medium/low-voltage equipment inside, this will certainly affect the detection efficiency of various electronic components simultaneously.
Utility model content
Based on this, be necessary for the problems referred to above, a kind of a kind of medium/low-voltage equipment internal electronic element pick-up unit that can improve testing electronic components efficiency in medium/low-voltage equipment is provided.
A kind of medium/low-voltage equipment internal electronic element pick-up unit, for the electronic component of medium/low-voltage equipment inside is carried out to performance test, comprise voltage transformation module, described voltage transformation module comprises the power input that connects successively external commercial power potential source, the voltage transformation unit that is different magnitudes of voltage by the voltage transitions of described power input, a magnitude of voltage in the different magnitudes of voltage that selection voltage transformation unit is converted to is as the first selector switch of output voltage, the alternating voltage of the selected output of the first selector switch is converted to rectification filtering unit and the selectable voltage output end being connected with the first selector switch or rectification filtering unit of DC voltage.
Therein in an embodiment, described voltage transformation unit is transformer, it comprises the primary coil input end being connected with described power input and the many groups secondary coil output terminal being connected with described the first selector switch, described the first selector switch has a plurality of the first output terminals and a plurality of the second output terminal, described a plurality of the first output terminal is connected with described rectification filtering unit, and described a plurality of the second output terminals are connected with the voltage output end of described medium/low-voltage equipment internal electronic element pick-up unit.
In an embodiment, described voltage transformation module also comprises that described voltage display unit is connected with one of described the first output terminal and described rectification filtering unit for showing the voltage display unit of the selected magnitude of voltage of described the first selector switch therein.
In an embodiment, described voltage transformation module also comprises the second selector switch that voltage alternating current-direct current state is switched therein, and described the second selector switch has selector switch stiff end, selector switch selecting side; Described selector switch stiff end is connected with described voltage display unit, and described selector switch selecting side is connected with one of described rectification filtering unit or described second output terminal.
Therein in an embodiment, also comprise the test module for connecting described electronic component and described electronic component being carried out to performance test, described test module comprises that described test module is connected with described voltage output end for detection of the test lead of described medium/low-voltage equipment internal electronic element and for controlling the Test Switchboard of break-make between described test lead and described voltage transformation module.
Therein in an embodiment, between described voltage output end and described test module, be provided with the change-over switch that can control break-make between described test module and described voltage transformation module, described change-over switch has the first stiff end, the second stiff end, the first selecting side, the second selecting side; Described the first stiff end is connected with described test module, and described the first selecting side is connected with described voltage output end.
Therein in an embodiment, on described power input, be also connected with and be used to indicate the combined floodgate pilot lamp of described test module and described voltage transformation module conducting state and be used to indicate described test module and the separating brake pilot lamp of voltage transformation module off-state, described the second stiff end is connected with described power input, and one of them is connected described the second selecting side and described combined floodgate pilot lamp and described separating brake pilot lamp.
In an embodiment, also comprise the electric current output module being connected with described test module therein, described electric current output module comprises current displaing unit and the overcurrent protection resistance that connects successively setting.
In an embodiment, described rectification filtering unit is rectifier bridge therein.
In an embodiment, described medium/low-voltage equipment internal electronic element pick-up unit also comprises therein:
Test box, has for accommodating host cavity and the guidance panel of described voltage transformation module, is provided with described the first selector switch, described voltage display unit, described the second selector switch and described change-over switch on described guidance panel;
For accommodating the testing cassete of described test module: be connected by wire between described testing cassete and described test box, offer the test port for detection of described electronic component on it;
For tightening up the automatic telescopic line drum of unnecessary wire between described test box and described testing cassete.
Above-mentioned medium/low-voltage equipment internal electronic element pick-up unit, the alternating voltage of exportable different numerical value, DC voltage, can meet the various different check demands of different electronic components, and then effectively improve the detection efficiency of these electronic components.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of medium/low-voltage equipment internal electronic element pick-up unit;
Fig. 2 is the structural representation of medium/low-voltage equipment internal electronic element pick-up unit;
Fig. 3 is the schematic diagram of guidance panel on medium/low-voltage equipment internal electronic element pick-up unit;
Its related elements reference numeral is listed as follows:
100, medium/low-voltage equipment internal electronic element pick-up unit; 110, voltage transformation module; 111, power input; 1111, combined floodgate pilot lamp; 1112, separating brake pilot lamp; 1113, isolating switch; 1114, power supply indicating member, 1115, killer switch; 112, voltage transformation unit; 1121, primary coil input end; 1122, secondary coil output terminal; 113, the first selector switch; 1131, the first output terminal; 1132, the second output terminal; 114, rectification filtering unit; 115, voltage display unit; 116, the second selector switch; 1161, selector switch stiff end; 1162, selector switch selecting side; 117, voltage output end; 120, test module; 121, Test Switchboard; 130, change-over switch; 131, the first stiff end; 132, the second stiff end; 133, the first selecting side; 134, the second selecting side; 140, electric current output module; 141, current displaing unit; 142, overcurrent protection resistance; 150, test box; 151, host cavity; 152, guidance panel; 160, testing cassete; 170, automatic telescopic line drum.
Embodiment
The circuit theory diagrams of the medium/low-voltage equipment internal electronic element pick-up unit 100 shown in please refer to the drawing 1, the external commercial power potential source in one end of this device, the other end is connected with the electronic component of medium/low-voltage equipment to be measured inside, for exporting alternating voltage, the DC voltage of different numerical value, measured electronic elements is carried out to performance test.
Medium/low-voltage equipment internal electronic element pick-up unit 100 includes voltage transformation module 110 and for connecting electronic component the test module 120 that electronic component carried out to performance test.
Voltage transformation module 110 comprises the power input 111 that connects successively external commercial power potential source, the voltage transformation unit 112 that is different magnitudes of voltage by the voltage transitions of power input 111, a magnitude of voltage in the different magnitudes of voltage that selection voltage transformation unit 112 is converted to is as the first selector switch 113 of output voltage, the alternating voltage of the first selector switch 113 selected outputs is converted to rectification filtering unit 114 and the selectable voltage output end 117 being connected with the first selector switch 113 or rectification filtering unit 114 of DC voltage.
Wherein, the external commercial power potential source of power input 111 is generally 380V alternating voltage.Voltage transformation unit 112 is transformer, transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, it mainly comprises primary coil, secondary coil and iron core (magnetic core), wherein, the primary coil input end 1121 of transformer is connected with power input 111, and external industrial 380V voltage source is converted to there is 220V, 6 shunt of the different magnitudes of voltage such as 110V, 36V, 24V, 12V, 6V.Many groups secondary coil output terminal 1122 of transformer is connected with the first selector switch 113.The first selector switch 113 is by being connected with these 6 voltage dividing branch, and the finally manual switchover to the first selector switch 113 by operating personnel, by required magnitude of voltage output.
For can be on the output terminal of the first selector switch 113 can either output AC voltage, again can output dc voltage, the first selector switch 113 has a plurality of the first output terminals 1131 and a plurality of the second output terminal 1132, and a plurality of the first output terminals 1131 are connected with the input end of rectification filtering unit 114.Rectification filtering unit 125 is rectifier bridge structure, and it can be by the alternating voltage of input by filtering, the rectification of four diodes, the most at last direct voltage output.And a plurality of the second output terminals 1132 are connected with the voltage output end 117 of medium/low-voltage equipment internal electronic element pick-up unit.
Voltage transformation module 110 also comprises that this voltage display unit 115 can show the actual voltage value outputing on measured electronic elements for showing the voltage display unit 115 of the first selector switch 113 selected magnitudes of voltage.Voltage display unit 115 is connected with one of the first output terminal 1131 and rectification filtering unit 114.Voltage display unit 115 in the present embodiment is voltage table.The problem that the measured electronic elements causing for fear of the artificial handoff error due to the first selector switch 113 is burned occurs, carrying out measured electronic elements and medium/low-voltage equipment internal electronic element pick-up unit 100 carries out before continuity test, need to confirm that whether the output voltage of medium/low-voltage equipment internal electronic element pick-up unit 100 is consistent with measured electronic elements required voltage according to the numerical value of above-mentioned voltage table 115.
On voltage transformation module 110, be also provided with the second selector switch 116, the second selector switch 116 that voltage alternating current-direct current state is switched and there is selector switch stiff end 1161, selector switch selecting side 1162; Selector switch stiff end 1161 is connected with voltage display unit 115, and selector switch selecting side 1162 is connected with one of rectification filtering unit 114 or second output terminal 1132.In the present embodiment, the second selector switch 116 is ganged switch: when selector switch selecting side 1162 is when being communicated with between rectification filtering unit 114 and voltage display unit 115, and voltage display unit 115 output dc voltages; When selector switch selecting side 1162 is when being communicated with between the second output terminal 1132 and voltage display unit 115, voltage display unit 115 output AC voltages.
Test module 120 is connected with voltage output end 117.Test module 120 comprises for detection of the test lead of medium/low-voltage equipment internal electronic element and for controlling the Test Switchboard 121 of break-make between test lead and voltage transformation module 110.By the input end of measured electronic elements is connected with the test lead on test module 120, can carry out the test under different input voltage experiment conditions to this electronic component.
For some electronic components, need to carry out the situation of testing current; medium/low-voltage equipment internal electronic element pick-up unit 100 also comprises the electric current output module 140 being connected with test module 120, is connected with current displaing unit 141 and overcurrent protection resistance 142 on electric current output module 140 in turn.By the input end of measured electronic elements is connected with the test lead on electric current output module 140 and test module 120 respectively, can carry out the test under different input current experiment conditions to this electronic component.
Current displaing unit 141 in the present embodiment is reometer.Overcurrent protection resistance 142 can be fixed value resistance, can be also swept resistance.On general medium/low-voltage equipment internal electronic element, required input current is that 5A(exchanges or direct current); therefore the overcurrent protection resistance 142 that used is in the present embodiment fixed value resistance; by the first selector switch 113 is switched to after 6V; access the above-mentioned electric current output module 140 with fixed value resistance, just can on measured electronic elements, directly input the electric current of 5A.In addition, when overcurrent protection resistance 142 is swept resistance, by regulating the resistance of swept resistance to make electric current shown on reometer be output as the required current value of measured electronic elements.By measured electronic elements being inputted to different current values, just can to the higher electronic component of input current performance requirement, carry out power supply Detection of Stability to some.
Between voltage output end 117 and test module 120, be also provided with the optionally change-over switch 130 with voltage transformation module 110 conductings or cut-out by test module 120, change-over switch 130 has the first stiff end 131, the second stiff end 132, the first selecting side 133, the second selecting side 134.Wherein, the first stiff end 131 is connected with test module 120, and the first selecting side 133 is connected with voltage output end 117.On power input 111, be also connected with and be used to indicate test module 120 and the combined floodgate pilot lamp 1111 of voltage transformation module 110 conducting states and the separating brake pilot lamp 1112 that is used to indicate test module 130 and voltage transformation module 110 off-states.The second stiff end 132 is connected with power input 111, and one of them is connected the second selecting side 133 and combined floodgate pilot lamp 1111 and separating brake pilot lamp 1112.In the present embodiment, change-over switch 130 is three-way switch, and combined floodgate pilot lamp 1111 and separating brake pilot lamp 1112 are arranged on the external commercial power potential source of 380V.
The second selecting side 133 closures in the time of the first selecting side 133 closure, now, conducting between voltage transformation module 110 and test module 120, conducting between combined floodgate pilot lamp 1111 and power input 111, combined floodgate pilot lamp 1111 is lighted, and voltage transformation module 110 is to test module 120 output required voltage values; When the first selecting side 133 disconnects, the second selecting side 133 disconnects, now, between voltage transformation module 110 and test module 120, disconnect, and conducting between separating brake pilot lamp 1112 and power input 111, separating brake pilot lamp 1112 is lighted.
In the present embodiment, on power input 111, be provided with the power supply indicating member 1114 for medium/low-voltage equipment internal electronic element pick-up unit 100 is carried out the isolating switch 1113 of safeguard protection and is used to indicate 100 conductings of medium/low-voltage equipment internal electronic element pick-up unit or dissengaged positions.Wherein, isolating switch 1113 refers to the electric current that can close, carry and cut-off under normal loop condition, and can close, in official hour, carry and cut-off the switchgear of the electric current under abnormal loop condition (comprising short circuit condition).It can be used to distribute electric energy; power circuit and built-in function assembly etc. is carried out to protection; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they, its function is equivalent to Fuse switch and the combination of crossing underheat relay etc.Use isolating switch 1113 not only can guarantee the normal operation of medium/low-voltage equipment internal electronic element pick-up unit 100, the shock hazard that also can avoid the maloperation due to staff to cause.Thereby can effectively strengthen the safety in utilization of medium/low-voltage equipment internal electronic element pick-up unit 100.In addition, on this isolating switch 1113, be also equipped with killer switch 1115, can cut off and conducting control by the whole circuit to medium/low-voltage equipment internal electronic element pick-up unit 100 manually or automatically.In addition, rear end at isolating switch 1113 is also parallel with power supply indicating member 1114, for showing conducting or the off-state of medium/low-voltage equipment internal electronic element pick-up unit 100, wherein, power supply indicating member 1114 can have for alarm bell or warning lamp etc. the element of alarm function, and power supply indicating member 1114 is in the present embodiment preferably warning lamp.
Figure 2 shows that the structural representation of medium/low-voltage equipment internal electronic element pick-up unit 100, this pick-up unit 100 is for accommodating the operation of voltage transformation module 110, manual operation medium/low-voltage equipment internal electronic element pick-up unit 100 and measured electronic elements being carried out to performance test.This device comprises test box 150 for accommodating voltage transformation module 110 and measured electronic elements being detected, for accommodating the testing cassete 160 of test module 120.Wherein, test box 150 has for accommodating host cavity 151 and the guidance panel 152 of voltage transformation module 110.Fig. 3 is the schematic diagram of guidance panel on the medium/low-voltage equipment pick-up unit of the present embodiment, is respectively arranged with power supply indicating member 1114, killer switch 1115, the first selector switch 113, voltage display unit 115, the second selector switch 116 and change-over switch 130 on guidance panel 152.Between testing cassete 160 and test box 150, by wire, be connected, on testing cassete 160, offer for controlling the Test Switchboard 121 of the break-make between test lead and voltage transformation module 110 on test module 120 and for detection of the test port of electronic component.
In addition, in test process, in order to facilitate the remote mobile test of testing cassete 160, between test box 150 and testing cassete 160, need reserved unnecessary wire to meet this requirement.Therefore, on medium/low-voltage equipment internal electronic element pick-up unit 100, be also provided with the automatic telescopic line drum 170 for these wires.When not testing, unnecessary wire is tightened up the inside at automatic telescopic line drum 170, thereby guarantees the 5S requirement of working environment.
The use operation steps of above medium/low-voltage equipment internal electronic element pick-up unit 100 is as follows:
1,, when measured electronic elements need to be tested, first determine the electric pressure of measured electronic elements required input;
2, the killer switch 1115 on closed test box 150 guidance panels 152, at this moment power supply indicating member 1114 warning lamps are lighted;
3, according to fixed measured electronic elements required voltage level adjustment the first selector switch 113, that is, if the maximum input voltage of measured electronic elements or full test voltage are 220V, the knob of the first selector switch 113 can be switched to the position of 220V;
4,, according to the interchange of measured electronic elements required voltage or direct current situation, by the second selector switch 116, the output voltage of medium/low-voltage equipment internal electronic element pick-up unit 100 is set as exchanging or DC state;
5, according to the numerical value of voltage display unit 115, confirm that whether the output voltage of medium/low-voltage equipment internal electronic element pick-up unit 100 is consistent with measured electronic elements required voltage;
6, by change-over switch 130, control the Voltage-output of 100 pairs of test boxs 150 of medium/low-voltage equipment internal electronic element pick-up unit, when the first selecting side 133 is closed, combined floodgate pilot lamp 1111 is lighted, and testing cassete 160 is charged, can be to measured electronic elements output detections voltage; Now, measured electronic elements is connected on the test port of testing cassete 160: if when measured electronic elements needs input voltage source, by the input end of measured electronic elements is directly communicated with the corresponding test port on testing cassete 160, can carry out the voltage tester under different experimental conditions to this electronic component.When if measured electronic elements needs input current source, after this electronic component is connected with electric current output module 140, then be communicated with the corresponding test port on testing cassete 160, can carry out the testing current under different experimental conditions to this electronic component.
7, by closure, be arranged on the Test Switchboard 121 on testing cassete 160, measured electronic elements is tested and debugged, thereby judge whether this electronic component meets standard.
Medium/low-voltage equipment internal electronic element pick-up unit 100 is in operational process, if when serious overload or short circuit and the abnormal failure such as under-voltage appear in the circuit of this proving installation 100, the killer switch 1115 being arranged on power input 111 can automatic shutdown circuits.After getting rid of the fault of this proving installation 100, need manual operation to make it to recover conducting state.In addition, killer switch 1115 also can disconnect by manual operation.
The medium/low-voltage equipment internal electronic element pick-up unit of the present embodiment, can pass through the alternating voltage of the different numerical value of output: AC220V, AC110V, AC36V, AC24V, AC12V, AC6V, the ac and dc current of DC voltage: DC220V, DC110V, DC36V, DC24V, DC12V, DC6V and 5A, to meet the various different check demands of different measured electronic elements.Compare with the pick-up unit of traditional medium/low-voltage equipment internal electronic element, it does not need to provide the pick-up unit of many different test voltages or electric current to test measured electronic elements simultaneously, thereby has improved the detection efficiency of measured electronic elements.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. a medium/low-voltage equipment internal electronic element pick-up unit, for the electronic component of medium/low-voltage equipment inside is carried out to performance test, it is characterized in that, comprise voltage transformation module (110), described voltage transformation module (110) comprises the power input (111) that connects successively external commercial power potential source, the voltage transformation unit (112) that is different magnitudes of voltage by the voltage transitions of described power input (111), a magnitude of voltage in the different magnitudes of voltage that selection voltage transformation unit (112) is converted to is as first selector switch (113) of output voltage, the alternating voltage of the selected output of the first selector switch (113) is converted to rectification filtering unit (114) and the selectable voltage output end (117) being connected with the first selector switch (113) or rectification filtering unit (114) of DC voltage.
2. medium/low-voltage equipment internal electronic element pick-up unit according to claim 1, it is characterized in that, described voltage transformation unit (112) is transformer, it comprises the primary coil input end (1121) being connected with described power input (111) and the many groups secondary coil output terminal (1122) being connected with described the first selector switch (113), described the first selector switch (113) has a plurality of the first output terminals (1131) and a plurality of the second output terminal (1132), described a plurality of the first output terminals (1131) are connected with described rectification filtering unit (114), described a plurality of the second output terminals (1132) are connected with the voltage output end (117) of described medium/low-voltage equipment internal electronic element pick-up unit.
3. medium/low-voltage equipment internal electronic element pick-up unit according to claim 2, it is characterized in that, described voltage transformation module (110) also comprises that described voltage display unit (115) is connected with one of described the first output terminal (1131) and described rectification filtering unit (114) for showing the voltage display unit (115) of the selected magnitude of voltage of described the first selector switch (113).
4. medium/low-voltage equipment internal electronic element pick-up unit according to claim 3, it is characterized in that, described voltage transformation module (110) also comprises the second selector switch (116) that voltage alternating current-direct current state is switched, and described the second selector switch (116) has selector switch stiff end (1161), selector switch selecting side (1162); Described selector switch stiff end (1161) is connected with described voltage display unit (115), and described selector switch selecting side (1162) is connected with one of described rectification filtering unit (114) or described second output terminal (1132).
5. medium/low-voltage equipment internal electronic element pick-up unit according to claim 4, it is characterized in that, also comprise the test module (120) for connecting described electronic component and described electronic component being carried out to performance test, described test module (120) comprises that described test module (120) is connected with described voltage output end (117) for detection of the test lead of described medium/low-voltage equipment internal electronic element and for controlling the Test Switchboard (121) of break-make between described test lead and described voltage transformation module (110).
6. medium/low-voltage equipment internal electronic element pick-up unit according to claim 5, it is characterized in that, between described voltage output end (117) and described test module (120), be provided with the change-over switch (130) that can control break-make between described test module (120) and described voltage transformation module (110), described change-over switch (130) has the first stiff end (131), the second stiff end (132), the first selecting side (133), the second selecting side (134); Described the first stiff end (131) is connected with described test module (120), and described the first selecting side (133) is connected with described voltage output end (117).
7. medium/low-voltage equipment internal electronic element pick-up unit according to claim 6, it is characterized in that, on described power input (111), be also connected with and be used to indicate the combined floodgate pilot lamp (1111) of described test module (120) and described voltage transformation module (110) conducting state and be used to indicate described test module (130) and the separating brake pilot lamp (1112) of voltage transformation module (110) off-state, described the second stiff end (132) is connected with described power input (111), one of them is connected described the second selecting side (133) and described combined floodgate pilot lamp (1111) and described separating brake pilot lamp (1112).
8. medium/low-voltage equipment internal electronic element pick-up unit according to claim 1; it is characterized in that; also comprise the electric current output module (140) being connected with described test module (120), described electric current output module (140) comprises current displaing unit (141) and the overcurrent protection resistance (142) that connects successively setting.
9. medium/low-voltage equipment internal electronic element pick-up unit according to claim 4, is characterized in that, described rectification filtering unit (114) is rectifier bridge.
10. medium/low-voltage equipment internal electronic element pick-up unit according to claim 6, is characterized in that, also comprises:
Test box (150), there is host cavity (151) and guidance panel (152) for accommodating described voltage transformation module (110), on described guidance panel (152), be provided with described the first selector switch (113), described voltage display unit (115), described the second selector switch (116) and described change-over switch (130);
Be used for accommodating the testing cassete (160) of described test module (120): between described testing cassete (160) and described test box (150), by wire, be connected, on it, offer the test port for detection of described electronic component;
Be used for tightening up the automatic telescopic line drum (170) of unnecessary wire between described test box (150) and described testing cassete (160).
CN201320342153.5U 2013-06-14 2013-06-14 Detection device for electronic components in middle-and-low-voltage equipment Withdrawn - After Issue CN203519676U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320342153.5U CN203519676U (en) 2013-06-14 2013-06-14 Detection device for electronic components in middle-and-low-voltage equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320342153.5U CN203519676U (en) 2013-06-14 2013-06-14 Detection device for electronic components in middle-and-low-voltage equipment

Publications (1)

Publication Number Publication Date
CN203519676U true CN203519676U (en) 2014-04-02

Family

ID=50378591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320342153.5U Withdrawn - After Issue CN203519676U (en) 2013-06-14 2013-06-14 Detection device for electronic components in middle-and-low-voltage equipment

Country Status (1)

Country Link
CN (1) CN203519676U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104049220A (en) * 2014-06-18 2014-09-17 中山市马迅电器有限公司 Automatic voltage regulator and control method thereof
CN104237581A (en) * 2013-06-14 2014-12-24 泰豪科技(深圳)电力技术有限公司 Detection device for electronic components in medium and low-voltage equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104237581A (en) * 2013-06-14 2014-12-24 泰豪科技(深圳)电力技术有限公司 Detection device for electronic components in medium and low-voltage equipment
CN104237581B (en) * 2013-06-14 2017-08-08 泰豪科技(深圳)电力技术有限公司 Medium/low-voltage equipment internal electronic element detection means
CN104049220A (en) * 2014-06-18 2014-09-17 中山市马迅电器有限公司 Automatic voltage regulator and control method thereof

Similar Documents

Publication Publication Date Title
CN204497589U (en) Multifunctional ligand electrical control cabinet
CN203519676U (en) Detection device for electronic components in middle-and-low-voltage equipment
TWI427887B (en) High voltage power supply module and power supply system using the same
CN204719205U (en) Isolating switch time-parameters test simulator
CN203927005U (en) Electric valve control circuit and the electric operated valve instrument that comprises this circuit
CN203838264U (en) Subway vehicle battery charger test bench
CN2619355Y (en) Relay protection live check instrument
CN204408004U (en) Double loop power supply inlet wire switching device shifter
CN103323725B (en) Low voltage switch box short circuit tester
CN208420975U (en) Dual power supply switching equipment testing auxiliary device
CN206672872U (en) It is a kind of can the how many breaker of efficient detection load
CN104237581A (en) Detection device for electronic components in medium and low-voltage equipment
CN204314645U (en) A kind of low-voltage distribution system by screen break-make automaton
TWM583156U (en) Circuit breaker tripping device
CN201886111U (en) Low-voltage simulation test unit of electric distribution network
CN204347185U (en) Winding two ends automatic testing equipment
CN203535083U (en) Integrated intelligent switch plate for high-voltage test
CN204516201U (en) Comprehensive cable distribution Simulated training device is installed in interior lines
CN211905644U (en) Polarity testing device for current transformer
CN211148796U (en) Detection box
CN203444008U (en) High-voltage charge display locking device
CN203588920U (en) AC-DC general skip detection circuit for vacuum circuit breaker
CN203204143U (en) Electroscope test voltage generator
CN202474825U (en) Low-voltage open-phase protected-type electrified display device
CN209894928U (en) Device for simulating 10kV high-voltage vacuum permanent magnet circuit breaker

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20140402

Effective date of abandoning: 20170808

AV01 Patent right actively abandoned