CN207976549U - A kind of suspension type power-supply controller of electric for high-voltage switch gear detection device - Google Patents
A kind of suspension type power-supply controller of electric for high-voltage switch gear detection device Download PDFInfo
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- CN207976549U CN207976549U CN201820547447.4U CN201820547447U CN207976549U CN 207976549 U CN207976549 U CN 207976549U CN 201820547447 U CN201820547447 U CN 201820547447U CN 207976549 U CN207976549 U CN 207976549U
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- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 239000000725 suspension Substances 0.000 title claims abstract description 51
- 238000007689 inspection Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model provides a kind of suspension type power-supply controller of electric for high-voltage switch gear detection device,Belong to power-supply controller of electric technical field,High-voltage switch gear is set in high-tension switch cabinet,Suspension type power-supply controller of electric includes insulation board,Connector on insulation board and mounting base,The lower part of mounting base is equipped with the first socket and the second socket,It is electrically connected with power switch and earth leakage protective device between first socket and the second socket,Mounting base is equipped with ground protection module,Ground protection module includes detection circuit,The controller and display screen being electrically connected with detection circuit,Detection circuit includes the ground resistance measuring circuit of grounded inspection circuit and ground resistance,Pre-set current value and predetermined resistance value are equipped in controller,When the earth current that grounded inspection circuit measures is more than predetermined resistance value more than the ground resistance that pre-set current value or ground resistance measuring circuit measure,Judge detection device imperfect earth,Controller controls earth leakage protective device and disconnects,Detection device is stopped.
Description
Technical field
The utility model is related to power-supply controller of electric technical field more particularly to a kind of hanging for high-voltage switch gear detection device
Hanging power controller.
Background technology
Electric system needs periodically overhaul the high-voltage switch gear in high-tension switch cabinet, if detection device and power ground
It is bad, test result can be caused inaccurate, or even cause a hidden trouble to the personal safety of service personnel.At present to being examined in site examining and repairing
Whether whether measurement equipment is grounded or is grounded does not control effectively well, and it is preceding right typically to be used in detection device by manually
Whether detection device, which is grounded, is verified, and can not recognize the specific Grounding of detection device in use.
Utility model content
The purpose of this utility model is to provide a kind of suspension type power-supply controller of electric for high-voltage switch gear detection device, real
When monitor and detection equipment Grounding.
In order to achieve the above object, the utility model adopts the following technical solution:One kind being used for high-voltage switch gear detection device
Suspension type power-supply controller of electric, high-voltage switch gear is set in high-tension switch cabinet, and suspension type power-supply controller of electric includes insulation board, it is exhausted to be set to
Listrium upper end and the connector being connect with high-tension switch cabinet and the mounting base set on insulation board center, the lower part of mounting base be equipped with
First socket of external power supply electrical connection and the second socket being electrically connected with detection device, it is electric between the first socket and the second socket
It is connected with power switch and earth leakage protective device, ground protection module is additionally provided in mounting base, ground protection module includes and detection
Detection circuit, the controller being electrically connected with detection circuit and the display screen being electrically connected with the controller of equipment electrical connection, detection electricity
Road includes the grounded inspection circuit for measuring and inspecting apparatus earth current and the ground connection for measuring and inspecting apparatus ground resistance
Resistance measuring circuit, controller is interior to be equipped with pre-set current value and predetermined resistance value, when the earth current that grounded inspection circuit measures
When being more than predetermined resistance value more than the ground resistance that pre-set current value or ground resistance measuring circuit measure, controller control electric leakage
Protector disconnects.
Further, the connector is hook, alternatively, the connector is magnet.
Further, first socket and the second socket include waterproof jack, and waterproof jack is equipped with rubber ring, rubber
The inside of cushion rubber is located in waterproof jack, the upper end of the upper end of rubber ring above waterproof jack.
Further, the inside of the rubber ring is equipped with V-shaped groove, and the opening of V-shaped groove is towards the outside of waterproof jack.
Further, it is equipped with equipment access port at the lower part of the mounting base and close second socket, detection device passes through
Equipment access port is electrically connected with detection circuit.
Further, it is additionally provided with alarm in the mounting base, alarm is electrically connected with the controller, and works as grounded inspection circuit
When the earth current measured is more than predetermined resistance value more than the ground resistance that pre-set current value or ground resistance measuring circuit measure,
Alarm sends out alarm.
Further, the button being connect with controller is additionally provided in the mounting base, controller adjusts default by button
Current value and predetermined resistance value.
Further, the mounting base is equipped with the debugging interface whether worked normally for testing ground protection module.
Further, power transformer is additionally provided in the mounting base, controller passes through power transformer and the first socket
Electrical connection.
Further, the outside of the mounting base is equipped with transparent casing, and the lower end of transparent casing is equipped with to be passed through for connecting line
Connector.
After adopting the above technical scheme, the utility model has the following advantages that:
1, by the way that connector is arranged in the upper end of insulation board so that power-supply controller of electric can be suspended on high-tension switch cabinet,
Service personnel is operated when using power-supply controller of electric without squatting down, more convenient to use, at the same be also convenient for service personnel with
When observation power-supply controller of electric on display screen, understand the Grounding of detection device, increase the convenience that device uses;By setting
The first socket and the second socket are set, the first socket is communicated with external power supply, and when power switch is opened, electric current passes through earth leakage protective device
It is output to the second socket, the second socket is electrically connected with detection device and is detection device power supply;It is connect by being arranged in mounting base
Ground protection module, the earth current and ground resistance of ground protection mould detection circuit measuring and inspecting apparatus in the block, and by result
It is sent to controller, controller sends result to display screen and shown by display screen so that service personnel can understand in real time
To the Grounding of detection device;Meanwhile controller by earth current and ground resistance respectively with pre-set current value and default electric
Resistance value is compared, if one of numerical value is more than preset value, judges that detection device imperfect earth, controller control electric leakage are protected
It protects device to disconnect so that there is no electric current on the second socket, detection device is not charged, ensures the safety that detection device uses, simultaneously
Also ensure the safety of service personnel.
2, connector is hook, can hang in the cabinet door of high-tension switch cabinet suspension type power-supply controller of electric, facilitate progress
Operation and observation;Or connector is magnet, the cabinet door of general high voltage switchgear is iron gate, by magnet that suspension type is electric
Source controller is fixed in cabinet door, and the height of suspension type power-supply controller of electric can be selected according to the service condition of service personnel, is made
Obtain the more convenient to use of suspension type power-supply controller of electric.
3, by being provided with rubber ring on waterproof jack, the inside of rubber ring is located in waterproof jack so that rubber ring
Inside and the inserted sheet of plug mutually squeeze, while the upper end of rubber ring is above the upper end of waterproof jack so that plug, which is equipped with, to be inserted
The end of piece is mutually squeezed with rubber ring, and external rainwater is avoided to enter in waterproof jack so that the use of internal circuit is safer.
4, by be arranged V-shaped groove, just in case rainwater enter rubber ring inside can along the side wall of V-shaped groove, into V-shaped groove,
Inside without entering waterproof jack, is further ensured that the safety that suspension type power-supply controller of electric uses.
5, by setting equipment access port, facilitate connecting detection equipment and the Grounding of detection device be detected,
By the way that equipment access port to be positioned close at the second socket, because the second socket is also connect with detection device so that the position of wiring
It sets relatively close to operation is more convenient so that the connection between suspension type power-supply controller of electric and detection device is more convenient.
6, by the way that alarm is arranged, when detection circuit detects detection device imperfect earth, alarm is rung, and reminds maintenance
Personnel's detection device imperfect earth avoids service personnel from being detected simultaneously to more high-voltage switch gears with more detection devices
When, not it will be noted that the case where every detection device so that the use of suspension type power-supply controller of electric is more convenient.
7, by the way that button is arranged so that pre-set current value and predetermined resistance value in controller can be adjusted, and be adapted to
Detection device under different service conditions increases the use scope of suspension type power-supply controller of electric.
8, whether can to suspension type power-supply controller of electric before being powered to detection device by the way that debugging interface is arranged
Accurate judgement ground connection is abnormal to be tested, and the reliability that suspension type power-supply controller of electric uses is promoted.
9, by the way that power transformer is arranged, the electric main of input is converted into the DC voltage of controller needs, makes control
Device processed can be used normally.
10, by the way that transparent casing is arranged, play the role of dustproof and waterproof, while can avoid suspension type power-supply controller of electric and removing
Component during fortune in mounting base is impaired because colliding;By the way that connector is arranged in the lower end of transparent casing, connector is close to the
One socket and the second socket, connecting line are connected with the first socket, the second socket respectively by connector so that in suspension type power supply
Controller in use, takes down without by transparent casing, can penetrate transparent casing and observe display screen so that suspension type
Power-supply controller of electric it is more convenient to use.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural schematic diagram of suspension type power-supply controller of electric described in the utility model embodiment one.
Fig. 2 is the cooperation schematic diagram of suspension type power-supply controller of electric and high-tension switch cabinet described in the utility model embodiment one.
Fig. 3 is the front view of suspension type power-supply controller of electric described in the utility model embodiment one.
Fig. 4 is the structure diagram of suspension type power-supply controller of electric described in the utility model embodiment one.
Fig. 5 is the front view of suspension type power-supply controller of electric described in the utility model embodiment two.
Fig. 6 is the structure diagram of suspension type power-supply controller of electric described in the utility model embodiment two.
Fig. 7 is the structural schematic diagram of the first socket in suspension type power-supply controller of electric described in the utility model embodiment three.
Fig. 8 is the sectional view of A-A in Fig. 7.
Marked the names of the parts are as follows in figure:
1, insulation board;2, it links up with;3, mounting base;31, the first socket;311, waterproof jack;312, rubber ring;313, V-arrangement
Slot;32, the second socket;33, power switch;34, earth leakage protective device;35, power transformer;36, controller;37, earthing detection
Circuit;38, ground resistance measuring circuit;39, display screen;40, button;41, debugging interface;42, equipment access port;43, it alarms
Device;44, transparent casing;441, connector;5, high-tension switch cabinet.
Specific implementation mode
Embodiment one:
As shown in Figures 1 to 4, the utility model provides a kind of suspension type power supply control for high-voltage switch gear detection device
Device, high-voltage switch gear are set in high-tension switch cabinet 5, and suspension type power-supply controller of electric includes insulation board 1, connector and mounting base 3, connection
Part is mounted on the upper end of insulation board 1, and connector is connect with high-tension switch cabinet 5 so that power-supply controller of electric can be suspended on height and press off
It closes on cabinet 5, service personnel is operated when using suspension type power-supply controller of electric without squatting down, more convenient to use, mounting base 3
It is arranged in the center of insulation board 1, the lower part of mounting base 3 is equipped with the first socket 31 and and detection device that are electrically connected with external power supply
Second socket 32 of electrical connection, power switch 33 and earth leakage protective device are electrically connected between the first socket 31 and the second socket 32
34, be additionally provided with ground protection module in mounting base 3, ground protection module include the detection circuit being electrically connected with detection device, with
The controller 36 of detection circuit electrical connection and the display screen 39 being electrically connected with controller 36, it is convenient to overhaul by the way that display screen is arranged
Personnel observe the Grounding of detection device at any time, while because power-supply controller of electric by connector is suspended on detection device or height
It compresses switch on cabinet, service personnel can easily see the content of display screen display, and increasing suspension type power-supply controller of electric makes
Convenience, detection circuit include for the grounded inspection circuit 37 of measuring and inspecting apparatus earth current and for measuring detection
The ground resistance measuring circuit 38 of equipment ground resistance, controller 36 is interior to be equipped with pre-set current value and predetermined resistance value, works as ground connection
The earth current that detection circuit 37 measures is more than more than the ground resistance that pre-set current value or ground resistance measuring circuit 38 measure
When predetermined resistance value, then judge that detection device imperfect earth, controller 36 control earth leakage protective device 34 and disconnects so that the second socket
There is no electric current on 32, detection device is not charged, ensures the safety that detection device uses, while also ensureing the peace of service personnel
Entirely.
In use, first external power supply is connected on the first socket 31, the power cord of detection device is connected to the second socket
On 32, the ground terminal and auxiliary earth terminal of detection device are connected in detection circuit, then turn on the power switch 33, are connect at this time
Ground protection module is started to work, and when the earth current that grounded inspection circuit 37 measures is more than pre-set current value, judges that detection is set
Standby imperfect earth, controller 36 control earth leakage protective device 34 and disconnect, and no power on the second socket 32, detection device is stopped;
When the ground resistance that ground resistance measuring circuit 38 measures is more than predetermined resistance value, judge between detection device and external power supply
Ground resistance it is excessive, controller 36 controls earth leakage protective device 34 and disconnects, and no power on the second socket 32, detection device stops work
Make;It is measured when the earth current that grounded inspection circuit 37 measures is less than or equal to pre-set current value and ground resistance measuring circuit 38
Ground resistance when being less than or equal to predetermined resistance value, the electric current on external power supply passes sequentially through power switch 33 and earth leakage protective device
34 are output to the second socket 32, and the second socket is powered for detection device, detection device normal work.
In the present embodiment, connector is hook 2, and suspension type power-supply controller of electric is hung over to the cabinet of high-tension switch cabinet by linking up with
Men Shang facilitates and is operated and observed.
It is equipped with equipment access port 42 at the lower part of mounting base 3 and close second socket 32, detection device is accessed by equipment
Mouthfuls 42 be electrically connecteds with detection circuit, there are two equipment access port is arranged and respectively with the ground terminal of detection device and auxiliary earth
Terminal connects.Grounded inspection circuit measures electricity by connecting the earth current of measuring and inspecting apparatus, ground resistance with ground terminal
Road measures the pressure drop that earth-return circuit generates, is calculated further according to Ohm's law by being connect with ground terminal and auxiliary earth terminal
Obtain the ground resistance of earth-return circuit.By the way that equipment access port is positioned close at the second socket, because the second socket also with inspection
Measurement equipment connects so that wiring is located closer to, and operation is more convenient so that suspension type power-supply controller of electric and detection device
Between connection it is more convenient.
Alarm 43 is additionally provided in mounting base 3, alarm 43 is electrically connected with controller 36, when grounded inspection circuit 37 measures
Earth current when being more than the ground resistance that pre-set current value or ground resistance measuring circuit 38 measure and being more than predetermined resistance value, sentence
Disconnected detection device imperfect earth, alarm 43 send out alarm, remind service personnel's detection device imperfect earth, avoid maintenance people
Member is simultaneously when being detected more high-voltage switch gears with more detection devices, not it will be noted that the case where every detection device, makes
The use for obtaining suspension type power-supply controller of electric is more convenient.
The button 40 being connect with controller 36 is additionally provided in mounting base 3, controller 36 adjusts predetermined current by button 40
Value and predetermined resistance value adapt to the detection device under different service conditions, increase the use scope of suspension type power-supply controller of electric.
Power transformer 35 is additionally provided in mounting base 3, controller 36 is electrically connected by power transformer 35 and the first socket 31
It connects, the electric main of input is converted into the DC voltage of controller needs, controller is made to can be used normally.
The outside of mounting base 3 is equipped with transparent casing 44, plays the role of dustproof and waterproof, while can avoid suspension type power supply control
The component in mounting base is impaired because colliding in the handling process for device processed, the transparent display screen facilitated in observation mounting base of case;Thoroughly
Bright case 44 and insulation board 1 are rotatablely connected, the lower end of transparent casing 44 be equipped with for connecting line by connector 441, connector
441 are connected respectively with the first socket, the second socket by connector, are made close to the first socket 31 and the second socket 32, connecting line
Suspension type power-supply controller of electric in use, taken down without by transparent casing so that suspension type power-supply controller of electric
It is more convenient to use.
Specifically, controller 36 selects ATMEGA16A microcontrollers, the microcontroller speed of service is fast, low in energy consumption.
It should be understood that connector may be magnet.
Embodiment two:
As shown in Figure 5 and Figure 6, the present embodiment and the main distinction of embodiment one are, mounting base 3 is equipped with for testing
The debugging interface 41 whether ground protection module works normally.The advantages of this arrangement are as follows can detection device power supply before,
By the way that debugging interface to be grounded and disconnect, check whether earth leakage protective device disconnects, if earth leakage protective device disconnects alarm hair simultaneously
Go out alarm, then suspension type power-supply controller of electric can correctly judge whether ground connection is abnormal, promote what suspension type power-supply controller of electric used
Reliability.
Embodiment three:
As shown in Figure 7 and Figure 8, the present embodiment and the main distinction of embodiment one, embodiment two are, 31 He of the first socket
Second socket 32 includes waterproof jack 311, and waterproof jack 311 is equipped with rubber ring 312, and the inside of rubber ring 312, which is located at, prevents
In water cutting hole 311, the upper end of the upper end of rubber ring 312 above waterproof jack 311.The advantages of this arrangement are as follows part is high
Setting compress switch outdoors, just in case rainwater is entered by socket inside mounting base in detection process, is easy influencing circuit just
Be often used, by the way that rubber ring is arranged, the inside of rubber ring mutually squeezes with the inserted sheet of plug, while plug be equipped with the end of inserted sheet with
Rubber ring mutually squeezes, and external rainwater is avoided to enter in waterproof jack so that the use of internal circuit is safer, outstanding to be promoted
The safety that hanging power controller uses.
The inside of rubber ring 312 be equipped with V-shaped groove 313, the opening of V-shaped groove 313 towards the outside of waterproof jack 311, just in case
Rainwater enters on the inside of rubber ring can be along the side wall of V-shaped groove, and rainwater can enter in V-shaped groove, without entering in waterproof jack
Portion is further ensured that the safety that suspension type power-supply controller of electric uses.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Range defined in appended claims.
Claims (10)
1. a kind of suspension type power-supply controller of electric for high-voltage switch gear detection device, high-voltage switch gear is set in high-tension switch cabinet, is hanged
The connector and be set to insulation board that hanging power controller includes insulation board, is connect set on insulation board upper end and with high-tension switch cabinet
The mounting base in center, the lower part of mounting base be equipped with the first socket being electrically connected with external power supply and be electrically connected with detection device the
Two sockets are electrically connected with power switch and earth leakage protective device between the first socket and the second socket, which is characterized in that the installation
It is additionally provided with ground protection module on seat, ground protection module includes the detection circuit and detection circuit being electrically connected with detection device
The controller of electrical connection and the display screen being electrically connected with the controller, detection circuit include for measuring and inspecting apparatus earth current
Grounded inspection circuit and ground resistance measuring circuit for measuring and inspecting apparatus ground resistance are equipped with predetermined current in controller
Value and predetermined resistance value, when the earth current that grounded inspection circuit measures is more than pre-set current value or the survey of ground resistance measuring circuit
When the ground resistance obtained is more than predetermined resistance value, controller controls earth leakage protective device and disconnects.
2. suspension type power-supply controller of electric according to claim 1, which is characterized in that the connector is hook, alternatively, institute
It is magnet to state connector.
3. suspension type power-supply controller of electric according to claim 1, which is characterized in that first socket and the second socket are equal
Including waterproof jack, waterproof jack is equipped with rubber ring, and the inside of rubber ring is located in waterproof jack, and the upper end of rubber ring is higher by
In the upper end of waterproof jack.
4. suspension type power-supply controller of electric according to claim 3, which is characterized in that the inside of the rubber ring is equipped with V-arrangement
Slot, the opening of V-shaped groove is towards the outside of waterproof jack.
5. suspension type power-supply controller of electric according to claim 1, which is characterized in that the lower part of the mounting base and close to the
Equipment access port is equipped at two sockets, detection device is electrically connected by equipment access port with detection circuit.
6. suspension type power-supply controller of electric according to claim 1, which is characterized in that be additionally provided with alarm in the mounting base
Device, alarm are electrically connected with the controller, when the earth current that grounded inspection circuit measures is more than pre-set current value or ground resistance
When the ground resistance that measuring circuit measures is more than predetermined resistance value, alarm sends out alarm.
7. suspension type power-supply controller of electric according to claim 1, which is characterized in that be additionally provided with and control in the mounting base
The button of device connection, controller adjust pre-set current value and predetermined resistance value by button.
8. suspension type power-supply controller of electric according to claim 1, which is characterized in that the mounting base is equipped with for testing
The debugging interface whether ground protection module works normally.
9. the suspension type power-supply controller of electric according to claim 1 to 8 any one, which is characterized in that in the mounting base
It is additionally provided with power transformer, controller is electrically connected by power transformer with the first socket.
10. the suspension type power-supply controller of electric according to claim 1 to 8 any one, which is characterized in that the mounting base
Outside is equipped with transparent casing, the lower end of transparent casing be equipped with for connecting line by connector.
Priority Applications (1)
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CN201820547447.4U CN207976549U (en) | 2018-04-17 | 2018-04-17 | A kind of suspension type power-supply controller of electric for high-voltage switch gear detection device |
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CN201820547447.4U CN207976549U (en) | 2018-04-17 | 2018-04-17 | A kind of suspension type power-supply controller of electric for high-voltage switch gear detection device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110780191A (en) * | 2019-09-27 | 2020-02-11 | 国网浙江省电力有限公司杭州供电公司 | On-line monitoring method and device for mechanical characteristics of circuit breaker based on multiple sensors |
CN111162457A (en) * | 2020-01-14 | 2020-05-15 | 益阳玲智工程技术有限公司 | Pre-alarm device for low-voltage power distribution cabinet |
-
2018
- 2018-04-17 CN CN201820547447.4U patent/CN207976549U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110780191A (en) * | 2019-09-27 | 2020-02-11 | 国网浙江省电力有限公司杭州供电公司 | On-line monitoring method and device for mechanical characteristics of circuit breaker based on multiple sensors |
CN110780191B (en) * | 2019-09-27 | 2022-04-29 | 国网浙江省电力有限公司杭州供电公司 | On-line monitoring method and device for mechanical characteristics of circuit breaker based on multiple sensors |
CN111162457A (en) * | 2020-01-14 | 2020-05-15 | 益阳玲智工程技术有限公司 | Pre-alarm device for low-voltage power distribution cabinet |
CN111162457B (en) * | 2020-01-14 | 2021-10-29 | 益阳玲智工程技术有限公司 | Pre-alarm device for low-voltage power distribution cabinet |
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