CN207588272U - A kind of protective grounding case applied to low-voltage circuit - Google Patents
A kind of protective grounding case applied to low-voltage circuit Download PDFInfo
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- CN207588272U CN207588272U CN201721648541.0U CN201721648541U CN207588272U CN 207588272 U CN207588272 U CN 207588272U CN 201721648541 U CN201721648541 U CN 201721648541U CN 207588272 U CN207588272 U CN 207588272U
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- 230000001681 protective effect Effects 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 17
- 230000008054 signal transmission Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a kind of protective grounding case applied to low-voltage circuit, voltage detection module and infrared probe are installed on grounding box, and the processor for connecting voltage detection module and infrared probe, and the lock control mechanism for receiving block signal and unlocking signal, processor is electrically connected with lock control mechanism, three-phase knife switch is installed on grounding box, lock control mechanism is mounted on three-phase knife switch, on grounding box combined floodgate seat has been arranged symmetrically relative to three-phase knife switch, combined floodgate conductive trough for being clamped three-phase knife switch is installed on combined floodgate seat, ground lead is installed on combined floodgate conductive trough, realize safe back brake and line maintenance, it avoids accidentally overlapping plug-in strip operation, the effective generation for preventing line short accident, entire grounding box can substitute earth plate completely, it is more convenient, it is time saving and energy saving, securely and reliably.
Description
Technical field
The utility model is related to a kind of earthing or grounding means more particularly to a kind of protective grounding casees applied to low-voltage circuit.
Background technology
In order to improve low-voltage distributing line interruption maintenance quality, the service work of equipment is made to reach standardization, safe, is protected
Demonstrate,prove low-voltage distribution equipment equipment it is safe and reliable, while more in order to protect fortune inspection personnel personal safety.Therefore it is carried out in circuit
During interruption maintenance, need to install residual current acting always protection and final stage protective device in low-tension network, so as to carry out safety
Grid switching operation and line maintenance, avoid accidentally overlap plug-in strip operation, effectively prevent the generation of line short accident.Traditional is low
When being press-fitted electric line interruption maintenance, the earthing mode of tri- cable runs of ABC is grounded using single grounding rod.It cannot
Science intelligence judges that whether also there are remaining voltages when dead line is run, and can not ensure that line facility and the person are pacified
Entirely.It, will be inconvenient to carry whenever and wherever possible and every time when dead line overhauls, it is also necessary to by grounding rod and the line being grounded
Road is docked, and in labor intensive working hour, there are security risks.
Invention content
The purpose of this utility model is to provide one kind be applied to low-voltage circuit, using and can avoid accidentally overlap plug-in strip grasp
Make, prevent the protective earthing device of line short, have it is convenient and efficient, it is time saving and energy saving, it is safe and reliable the advantages that.
In order to achieve the above object, the utility model adopts the following technical solution：A kind of protection applied to low-voltage circuit
Grounding box including grounding box, is equipped with the voltage detecting mould for measuring low pressure main line current voltage value on the grounding box
Block and the voltage display screen for showing low-voltage circuit current voltage value, further include for sense the close infrared probe of personnel and
It infrared signal transmission module and processor for connecting voltage detection module and infrared probe and is latched for receiving
The lock control mechanism of signal and unlocking signal, the processor are electrically connected with lock control mechanism, and three-phase lock is equipped on the grounding box
Knife, the lock control mechanism are mounted on three-phase knife switch, and combined floodgate seat, institute have been arranged symmetrically relative to three-phase knife switch on the grounding box
The combined floodgate conductive trough being equipped on combined floodgate seat for being clamped three-phase knife switch is stated, ground lead is installed on the combined floodgate conductive trough.
Further, the lock control mechanism includes bolt and installation axle, and the installation axle is installed by installation axle mounting base
On grounding box, it is equipped with sliding slot in the installation axle, connecting shaft is equipped with by pulley on the sliding slot, is pacified in the connecting shaft
Equipped with bolt, the installation axle upper end is equipped with motor and motor power on/off receiving module, the motor power on/off receiving module
It is electrically connected with motor, the motor power on/off receiving module is electrically connected with processor.
Further, the three-phase knife switch is mounted on by blade mounting seat on grounding box, is installed on the three-phase knife switch
There is bolt through-hole.
Further, the bolt through-hole is located at bolt in same vertical height.
Further, the internal diameter of the bolt through-hole is more than the diameter of bolt.
Further, handle is installed on the three-phase knife switch.
Further, the internal diameter of the combined floodgate conductive trough is more than the diameter of three-phase knife switch.
After adopting the above technical scheme, the utility model has the following advantages that：
1st, to sense personnel by infrared probe close, when have service personnel close to when, infrared signal transmission module is by work
Signal passes to voltage detection module so that voltage detection module detects low pressure main line current voltage value, if low pressure main line
Road then shows voltage value there is currently voltage by voltage display screen, and there will be the signals of voltage to pass to processor, and by
Block signal is passed to lock control mechanism by processor, then is realized by lock control mechanism and carried out lock control to three-phase knife switch so as to fulfill three-phase
Plug-in strip can not close a floodgate, and can not realize and be connect with ground wire, realize safe back brake and line maintenance, avoid accidentally overlapping plug-in strip behaviour
Make, effectively prevent the generation of line short accident；When voltage detection module detection low pressure main line is there is currently no voltage value,
No-voltage is then shown, and the signal of no-voltage passed to processor by voltage display screen, and by processor by unlocking signal
Lock control mechanism is passed to, Zai You lock controls mechanism, which unlocks, realizes that three-phase knife switch can close a floodgate, and is grounded protection.Entire grounding box can
It is more convenient to substitute earth plate completely, it is time saving and energy saving, securely and reliably.
2nd, to sense personnel by infrared probe close, when have service personnel close to when, infrared signal transmission module is by work
Signal passes to voltage detection module so that voltage detection module detects low pressure main line current voltage value, if low pressure main line
Road then shows voltage value there is currently voltage by voltage display screen, and there will be the signals of voltage to pass to processor, and by
Block signal is passed to motor power on/off receiving module by processor, and motor power on/off receiving module transmits electrical power signal
Motor work is realized to motor, and motor drives pulley motion, moved so as to fulfill connecting shaft, and then drives bolt movement, real
Existing bolt moves in bolt through-hole the fixation realized to three-phase knife switch so that three-phase knife switch can not close a floodgate, so as to fulfill realization
It is connect with ground wire, realizes safe back brake and line maintenance, avoided accidentally overlapping plug-in strip operation, effectively prevent line short thing
Therefore generation；When voltage detection module detection low pressure main line, there is currently no voltage values, then show nothing by voltage display screen
Voltage, and the signal of no-voltage is passed into processor, and unlocking signal is passed to motor power on/off by processor and receives mould
Motor power-off signal is passed to motor by block, motor power on/off receiving module, and motor can not work, and three-phase knife switch can close a floodgate realization
Ground connection, three-phase knife switch opens a sluice gate to carry out under mechanical structure effect with closing operation, simple in structure, easy to operate, is hardly damaged
And maloperation, it ensure that the reliability of grounding box work, improve the security performance of grounding box.
3rd, three-phase knife switch is mounted on by blade mounting seat on grounding box, three-phase knife switch can effectively be avoided to be leaked when working
Electricity, improves the safety of three-phase knife switch work, and by bolt through-hole realize bolt into and out realizing to three-phase
The operation that plug-in strip opens a sluice gate and closes a floodgate effectively increases the efficiency of three-phase knife switch power on/off.
4th, it ensure that bolt can be entered more efficiently in bolt through-hole and realize opening a sluice gate and closing a floodgate to three-phase knife switch
Operation, improves the working efficiency opened a sluice gate and closed a floodgate.
5th, handle facilitates the operation opened a sluice gate and closed a floodgate of three-phase knife switch, improves the safety and just of three-phase knife switch operation
Profit.
6th, it facilitates three-phase knife switch and is inserted into combined floodgate conductive trough and be grounded, improve the stability of three-phase knife switch ground connection
And reliability, effectively increase the safety of grounding box.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 be the utility model proposes a kind of protective grounding case applied to low-voltage circuit main structure diagram；
Fig. 2 be the utility model proposes the structure of protective grounding Xiang Zhong lock controls mechanism applied to low-voltage circuit a kind of show
It is intended to；
It is as follows that the names of the parts are marked in figure：
1- grounding boxes, 2- blade mounting seats, 3- three-phase knife switchs, 4- combined floodgate conductive troughs, 5- bolt through-holes, 6- handles, 7- locks
Control mechanism, 8- infrared probes, 9- voltage detection modules, 10- voltage display screens, 11- infrared signal transmission modules, 12- processors,
13- combined floodgate seats, 14- ground leads, 701- bolts, 702- connecting shafts, 703- installation axles, 704- sliding slots, 705- pulleys, 706-
Motor, 707- motor power on/off receiving modules, 708- installation axle mounting bases.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figs. 1-2, the utility model provides a kind of protective grounding case applied to low-voltage circuit, including grounding box 1,
Voltage detection module 9 for measuring low pressure main line current voltage value is installed and for showing low-voltage circuit on grounding box 1
The voltage display screen 10 of current voltage value further includes to sense the close infrared probe 8 of personnel and infrared signal transmission module
9 and the processor 12 for connecting voltage detection module 9 and infrared probe 8 and for receive block signal and unlock believe
Number lock control mechanism 7, processor 12 is electrically connected with lock control mechanism 7, three-phase knife switch 3 is equipped on grounding box 1, lock control mechanism 7 is pacified
On three-phase knife switch 3, combined floodgate seat 13 is arranged symmetrically relative to three-phase knife switch 3 on grounding box 1, has been installed on combined floodgate seat 13 useful
In the combined floodgate conductive trough 4 of clamping three-phase knife switch 3, ground lead 14 is installed on combined floodgate conductive trough 4.Sensed by infrared probe 8
Personnel are close, when have service personnel close to when, working signal is passed to voltage detection module 9 by infrared signal transmission module 9, is made
It obtains voltage detection module 9 and detects low pressure main line current voltage value, if there is currently voltages for low pressure main line, pass through voltage
Display screen 10 shows voltage value, and there will be the signals of voltage to pass to processor 12, and passed block signal by processor 12
Lock control mechanism 7 is passed, then realizes that carrying out lock control to three-phase knife switch 3 can not close a floodgate so as to fulfill three-phase knife switch 3 by lock control mechanism 7,
It can not realize and be connect with ground wire, realize safe back brake and line maintenance, avoid accidentally overlapping plug-in strip operation, effectively prevent line
The generation of road short circuit accident；When voltage detection module 9 detects low pressure main line, there is currently no voltage values, then are shown by voltage
Screen shows no-voltage, and the signal of no-voltage is passed to processor 12, and unlocking signal is passed to lock control by processor 12
Mechanism 7, Zai You lock controls mechanism 7, which unlocks, realizes that three-phase knife switch 3 can close a floodgate, and is grounded protection.Entire grounding box can be complete
Earth plate is substituted, it is more convenient, it is time saving and energy saving, securely and reliably.
In the present embodiment, lock control mechanism 7 includes bolt 701 and installation axle 703, and installation axle 703 passes through installation axle mounting base
708 are mounted on grounding box 1, are equipped with sliding slot 704 in installation axle 703, and connecting shaft is equipped with by pulley 705 on sliding slot 704
702, bolt 701 is installed in connecting shaft 702,703 upper end of installation axle is equipped with motor 706 and motor power on/off receiving module
707, motor power on/off receiving module 707 is electrically connected with motor 706, and motor power on/off receiving module 707 is electrically connected with processor 12
It connects.By infrared probe 8 sense personnel it is close, when have service personnel close to when, infrared signal transmission module 9 passes working signal
Pass voltage detection module 9 so that voltage detection module 9 detects low pressure main line current voltage value, if low pressure main line is worked as
Before there are voltage, then voltage value is shown by voltage display screen 10, and there will be the signals of voltage to pass to processor 12, and by
Block signal is passed to motor power on/off receiving module 707 by processor 12, and motor power on/off receiving module 707 is by electrical power
Signal passes to motor 706 and realizes motor work, and motor band movable pulley 705 is moved, moved so as to fulfill connecting shaft, and then
Bolt movement is driven, realizes that bolt moves in bolt through-hole 5 fixation realized to three-phase knife switch 3 so that three-phase knife switch 3 can not
It closes a floodgate, is connect so as to fulfill realizing with ground wire, realize safe back brake and line maintenance, avoid accidentally overlapping plug-in strip operation, have
The generation for preventing line short accident of effect；When voltage detection module 9 detects low pressure main line, there is currently no voltage values, then lead to
Overvoltage display screen shows no-voltage, and the signal of no-voltage passed to processor 12, and by processor 12 by unlocking signal
Motor power on/off receiving module 707 is passed to, motor power-off signal is passed to motor 706 by motor power on/off receiving module 707,
Motor can not work, and three-phase knife switch 3 can close a floodgate and be grounded, and three-phase knife switch 3 opens a sluice gate to act in mechanical structure with closing operation
Lower progress, it is simple in structure, it is easy to operate, it is hardly damaged and maloperation, ensure that the reliability of grounding box work, improve ground connection
The security performance of case.
In the present embodiment, three-phase knife switch 3 is mounted on by blade mounting seat 2 on grounding box 1, is equipped on three-phase knife switch 3
Bolt through-hole 5.Three-phase knife switch 3 is mounted on by blade mounting seat 2 on grounding box 1, when can effectively avoid the work of three-phase knife switch 3
Electric leakage improves the safety of the work of three-phase knife switch 3, and by the realization bolt 701 of bolt through-hole 5 into and out realization
The operation that three-phase knife switch 3 is opened a sluice gate and closed a floodgate effectively increases the efficiency of three-phase knife switch 3 power on/off.
In the present embodiment, bolt through-hole 5 is located at bolt 701 in same vertical height.It ensure that bolt 701 can be more
Increase effect and enter in bolt through-hole 5 operation opened a sluice gate and closed a floodgate realized to three-phase knife switch 3, improve the work opened a sluice gate and closed a floodgate
Make efficiency.
In the present embodiment, the internal diameter of bolt through-hole 5 is more than the diameter of bolt 701.
In the present embodiment, handle 6 is installed on three-phase knife switch 3.Handle 6 facilitates opening a sluice gate and closing a floodgate for three-phase knife switch 3
Operation improves safety and the convenience of the operation of three-phase knife switch 3.
In the present embodiment, the internal diameter of combined floodgate conductive trough 4 is more than the diameter of three-phase knife switch 3.Three-phase knife switch 3 is facilitated to be inserted into
It is grounded in combined floodgate conductive trough 4, improves the stability and reliability of the ground connection of three-phase knife switch 3, effectively increase grounding box
Safety.
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 (7)
1. a kind of protective grounding case applied to low-voltage circuit, including grounding box, which is characterized in that be equipped on the grounding box
Voltage for the voltage detection module for measuring low pressure main line current voltage value and for showing low-voltage circuit current voltage value
Display screen is further included for sensing the close infrared probe of personnel and infrared signal transmission module and for connecting voltage inspection
Survey the processor of module and infrared probe and the lock control mechanism for receiving block signal and unlocking signal, the processor
Mechanism is electrically connected with lock control, three-phase knife switch is equipped on the grounding box, the lock control mechanism is mounted on three-phase knife switch, described
Combined floodgate seat has been arranged symmetrically relative to three-phase knife switch on grounding box, the conjunction for being clamped three-phase knife switch is installed on the combined floodgate seat
Lock conductive trough is equipped with ground lead on the combined floodgate conductive trough.
2. the protective grounding case according to claim 1 applied to low-voltage circuit, which is characterized in that lock control mechanism packet
Bolt and installation axle are included, the installation axle is mounted on by installation axle mounting base on grounding box, and sliding slot is equipped in the installation axle,
Connecting shaft is equipped with by pulley on the sliding slot, bolt is installed in the connecting shaft, the installation axle upper end is equipped with electricity
Machine and motor power on/off receiving module, the motor power on/off receiving module are electrically connected with motor, and the motor power on/off receives
Module is electrically connected with processor.
3. the protective grounding case according to claim 1 applied to low-voltage circuit, which is characterized in that the three-phase knife switch leads to
Blade mounting seat is crossed on grounding box, bolt through-hole is installed on the three-phase knife switch.
4. the protective grounding case according to claim 3 applied to low-voltage circuit, which is characterized in that the bolt through-hole with
Bolt is located in same vertical height.
5. the protective grounding case according to claim 3 applied to low-voltage circuit, which is characterized in that the bolt through-hole
Internal diameter is more than the diameter of bolt.
6. the protective grounding case according to claim 1 applied to low-voltage circuit, which is characterized in that on the three-phase knife switch
Handle is installed.
7. the protective grounding case according to claim 1 applied to low-voltage circuit, which is characterized in that the combined floodgate conductive trough
Internal diameter be more than three-phase knife switch diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648541.0U CN207588272U (en) | 2017-12-01 | 2017-12-01 | A kind of protective grounding case applied to low-voltage circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648541.0U CN207588272U (en) | 2017-12-01 | 2017-12-01 | A kind of protective grounding case applied to low-voltage circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588272U true CN207588272U (en) | 2018-07-06 |
Family
ID=62735050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721648541.0U Active CN207588272U (en) | 2017-12-01 | 2017-12-01 | A kind of protective grounding case applied to low-voltage circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588272U (en) |
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2017
- 2017-12-01 CN CN201721648541.0U patent/CN207588272U/en active Active
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