CN209400611U - Electric field measurement equipment and safety cap with it - Google Patents
Electric field measurement equipment and safety cap with it Download PDFInfo
- Publication number
- CN209400611U CN209400611U CN201821863155.8U CN201821863155U CN209400611U CN 209400611 U CN209400611 U CN 209400611U CN 201821863155 U CN201821863155 U CN 201821863155U CN 209400611 U CN209400611 U CN 209400611U
- Authority
- CN
- China
- Prior art keywords
- control unit
- electric field
- electric
- shell
- amplification circuit
- 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.)
- Active
Links
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to a kind of electric field measurement equipment and with its safety cap, wherein electric field measurement equipment includes shell, electric-field sensor, filter amplification circuit plate and signal lamp.Electric-field sensor is set to the end of shell.Filter amplification circuit plate is set in shell.Filter amplification circuit plate includes filter amplification circuit and control unit.Filter amplification circuit is electrically connected with electric-field sensor.Control unit is electrically connected with filter amplification circuit.Signal lamp is set to shell, and is electrically connected with control unit.Signal lamp includes the lamp bead of multiple color.Electric-field sensor senses the power frequency electric field signal of measured point, can be converted into voltage signal or current signal, and be filtered by filter amplification circuit and be sent into control unit after enhanced processing.To treated, signal carries out integrated treatment to control unit, obtains the electric field intensity value of tested point.Control unit can control signal lamp and issue different colors according to different electric field intensity values, so that user more intuitively obtains current field strength situation, avoid causing danger.
Description
Technical field
The utility model relates to electric power testing equipment fields, more particularly to a kind of electric field measurement equipment and with its peace
Full cap.
Background technique
As power engineering industry is increasingly developed, engineering voltage is gradually increasing, while also bringing various power equipment weeks
Enclose the negative effect that electric field strength becomes larger.Although this kind of operation regulation has relevant regulations, in the actual construction process, apply
Worker person can not construct in strict accordance with regulation.Even and veteran operating personnel, due to subjective factor and vision
The presence of the objective factors such as angle, external environment such as temperature, humidity, when also will appear range estimation fault.This is just generated
To the potential danger of operating personnel and high-tension line.
Based on above-mentioned analysis, to ensure safe construction, a equipment is needed, to ensure the safety of construction personnel and equipment.
Utility model content
Based on this, it is necessary to cause dangerous problem to construction personnel for power equipment, provide a kind of electric field measurement and set
Safety cap standby and with it.
A kind of electric field measurement equipment, comprising:
Shell；
Electric-field sensor is set to the shell；
Filter amplification circuit plate is set in the shell, the filter amplification circuit plate include filter amplification circuit with
Control unit, the filter amplification circuit are electrically connected with the electric-field sensor, described control unit and filter and amplification electricity
Road electrical connection；And
Signal lamp is set to the shell, and is electrically connected with the control unit, and the signal lamp includes multiple color
Lamp bead.
The electric field measurement equipment includes voice guard in one of the embodiments, is set to the shell, and with
Described control unit electrical connection.
The electric-field sensor includes two circular electrode plates opposite and disposed in parallel in one of the embodiments,.
Described control unit includes analog-digital converter in one of the embodiments, the analog-digital converter and the filter
The electrical connection of wave amplifying circuit.
The electric field measurement equipment further includes display in one of the embodiments, is set to the shell, and with institute
State control unit connection.
The signal lamp includes red colored lamp, amber light and green light in one of the embodiments, respectively with the control
Unit electrical connection processed.
The electric field measurement equipment in one of the embodiments, further includes power supply, is set to the shell, and with institute
State electric-field sensor, the filter amplification circuit plate and signal lamp electrical connection.
A kind of safety cap, including electric field measurement equipment described above and cap body, the cap body includes the brim of a hat and leans on
The groove that the nearly the brim of a hat opens up, the groove is for accommodating the electric field measurement equipment, and the signal lamp is towards the brim of a hat
Setting.
The safety cap further includes voice guard in one of the embodiments, is set to the shell, and with it is described
Control unit electrical connection.
The safety cap further includes display in one of the embodiments, passes through support shaft between the shell
Connection, and be electrically connected with the control unit, the display is set to the brim of a hat side, and the support shaft is for making institute
Display is stated to overturn to the brim of a hat other side.
Above-mentioned electric field measurement equipment includes shell, electric-field sensor, filter amplification circuit plate and signal lamp.The electric field
Sensor senses the power frequency electric field signal of measured point, can be converted into the voltage signal or current signal for being easy to measure, and lead to
The filter amplification circuit is crossed to be filtered and be sent into described control unit after enhanced processing.Described control unit is to the processing
Signal afterwards carries out integrated treatment, obtains the electric field intensity value of tested point.Described control unit is according to different electric field intensity values
Or field strength section, it can control the signal lamp and issue different colors, so that user more intuitively obtains current field strength feelings
Condition avoids causing danger to react in time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the electric field measurement equipment that one embodiment of the application provides；
Fig. 2 is the stereoscopic schematic diagram for the electric field measurement equipment that one embodiment of the application provides；
Fig. 3 is the structure connection diagram for the electric field measurement equipment that one embodiment of the application provides；
The structural schematic diagram for the safety cap that one embodiment of Fig. 4 the application provides.
Drawing reference numeral explanation:
10 electric field measurement equipment
20 safety caps
100 shells
102 support shafts
200 electric-field sensors
210 circular electrode plates
300 filter amplification circuit plates
310 filter amplification circuits
320 control units
321 analog-digital converters
400 signal lamps
500 voice guards
600 displays
700 power supplys
800 cap bodies
810 cap bodies
820 grooves
900 switches
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by following public specific implementation.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Please also refer to Fig. 1 and Fig. 2.One embodiment of the application provides a kind of electric field measurement equipment 10.The electric field measurement
Equipment 10 includes shell 100, electric-field sensor 200, filter amplification circuit plate 300 and signal lamp 400.The electric-field sensor
200 are set to the end of the shell 100.The filter amplification circuit plate 300 is set in the shell 100.The filtering
Magnification circuit plate 300 includes filter amplification circuit 310 and control unit 320.The filter amplification circuit 310 is passed with the electric field
Sensor 200 is electrically connected.Described control unit 320 is electrically connected with the filter amplification circuit 310.The signal lamp 400 is set to
The shell 100, and be electrically connected with described control unit 320.The signal lamp 400 includes the lamp bead of multiple color.
It is appreciated that shape, the size of the shell 100 are unlimited, as long as the electric-field sensor 200, institute can be accommodated
State filter amplification circuit plate 300 and the signal lamp 400.In one embodiment, the shell 100 can be rectangular
Body.In one embodiment, the shell frontside edge uses rounding off.In one embodiment, the shell 100 uses
Insulating materials is made, and avoids the possible short circuit phenomenon of electric appliance.
It is appreciated that the electric-field sensor 200 is used to incude electric field strength around testee, and by voltage or
Current system shows.In one embodiment, the electric-field sensor 200 can use Spherical capacitor sensor or parallel
Plate capacitance sensor senses electric field.In one embodiment, the electric-field sensor 200 can be set in the shell 100
End.In one embodiment, the length direction of the electric-field sensor 200 is identical as the length direction of the shell 100, from
And keep the structure of the electric field measurement equipment 10 more regular, to reduce whole occupied space.
In one embodiment, the shell 100 surrounds a cavity, for accommodating the filter amplification circuit plate 300.
It is appreciated that the filter amplification circuit 310 is printed in 300 surface of filter amplification circuit plate.The filter amplification circuit
Plate 300 belongs to one kind of printed circuit board (PCB).The filter amplification circuit 310 is for obtaining the electric-field sensor 200
Electric signal be filtered and amplify.In one embodiment, the filter amplification circuit 310 is filtered using low-pass filter
Wave.In one embodiment, the filter amplification circuit 310 can use differential amplifier circuit, can effectively inhibit common mode
The interference of signal, while when difference is zero, input signal is invalid, is convenient for programming.
In one embodiment, described control unit 320 is fixed on 300 surface of filter amplification circuit plate, for pair
Electric signal after the filter and amplification is further processed, and obtains electric field intensity value, and control institute according to different electric field intensity values
It states signal lamp 400 and generates different lighting effects.In one embodiment, described control unit 320 can be single-chip microcontroller.It can be with
Understand, includes the lamp bead of different colours in the signal lamp 400, in different electric field intensity values or field strength section, the signal
The lamp bead that lamp 400 can choose different colours is lighted.
In the present embodiment, the electric-field sensor 200 senses the power frequency electric field signal of measured point, can be converted into easily
In the voltage signal or current signal of measurement, and it is filtered by the filter amplification circuit 310 and is sent into after enhanced processing
Described control unit 320, described control unit 320 carry out integrated treatment to treated the signal, obtain the electricity of tested point
Field intensity value.Described control unit 320 can be such that the signal lamp 400 sends out according to different electric field intensity values or field strength section
Different color out, to react in time, avoids causing danger so that user more intuitively obtains current field strength situation.
Please also refer to Fig. 3.In one embodiment, the electric field measurement equipment 10 includes voice guard 500.It is described
Voice guard 500 is set to the shell 100, and is electrically connected with described control unit 320.In one embodiment, described
Voice guard 500 can be buzzer.It is appreciated that field strength threshold value is provided in described control unit 320, when the field measured
When intensity values are more than the threshold value, described control unit 320 controls the voice guard 500 and makes a sound prompting user.One
In a embodiment, the voice guard 500 can issue different sound according to different electric field intensity values, to remind use
Family carries out corresponding avoiding action.
In the present embodiment, the voice guard 500 by described control unit 320 control, when the field intensity value measured
When cannot reach safety requirements, it can make a sound and remind user.
In one embodiment, when electric field strength (E) is less than 1kV/m, the voice guard 500 does not pipe.When
When 1kV/m≤E < 3kV/m, the voice guard 500 pipes frequency=1 (i.e. monophone pipes, and is similar to drop, drips, drop ...).
As 3kV/m≤E < 4kV/m, the voice guard 500 pipes frequency=2 (being similar to drop drop, drop drop ...).When 4kV/m <
When=E < 5kV/m, the voice guard 500 pipes frequency=4 (being similar to dichloro-diphenyl-dichlorothane drop, dichloro-diphenyl-dichlorothane drop ...).When 5kV/m <
When=E, the voice guard 500 yowls.In the present embodiment, the frequency that pipes of the voice guard 500 is higher, represents
The possibility that current location is caused danger is bigger, and danger classes is higher.Simultaneously more rapid sound can more be promoted user's note that from
And achieve the effect that for different field strength and danger classes to be communicated to user, and be easier to understand user.
In another embodiment, include memory in the voice guard 500, different sound can be stored in advance and refer to
It enables, instructs user to carry out different movements with the different field strength of correspondence, so that knowing user more currently needs to carry out
Movement.
In one embodiment, the electric-field sensor 200 includes two circular electrode plates opposite and disposed in parallel
210.In one embodiment, 210 part of circular electrode plates is set in the shell 100, and part is exposed for sensing
Electric field.When carrying out spatial electronic field measurement, because the probe of electric-field sensor 200 is introduced in measurement field, neighbouring electric field of popping one's head in
It will be distorted, and influence electric field measurement precision.In one embodiment, the electric-field sensor 200 include two it is opposite and
Electrode plate disposed in parallel, and the edge of the electrode plate is arc.
In the present embodiment, the electric-field sensor 200 utilizes electrostatic induction principle by parallel plate capacitor sensor, obtains
Obtain measured point electric field signal.Meanwhile circular electrode plates 210 cause electric field distortion small, and measurement result can be made more accurate, institute
The sensitivity for stating electric field measurement equipment 10 is higher.And 210 sensing area of circular electrode plates is big, collection charge capability is stronger, and effect is more
Add significantly, it is as a result more accurate.
In one embodiment, described control unit 320 includes analog-digital converter 321.The analog-digital converter 321 and institute
State the electrical connection of filter amplification circuit 310.It is appreciated that the analog-digital converter 321 is A/D converter.In the present embodiment, it passes through
Electric signal after crossing filtering, enhanced processing is transmitted to the analog-digital converter 321, and the conditioned signal of analog circuit is carried out A/D
Conversion, is converted to digital signal, consequently facilitating further data processing.
In one embodiment, the electric field measurement equipment 10 further includes display 600.The display 600 is set to
The shell 100, and connect with described control unit 320.In the present embodiment, after 320 data processing of described control unit
To electric field measurement value can be transmitted to the display 600, so that numerical value is directly presented in user at the moment with visual effect,
It is more intuitive, while current field strength concrete condition can be grasped in real time with the movement of user.In one embodiment, described
Display 600 includes OLED display screen.
In one embodiment, the signal lamp 400 include red colored lamp, amber light and green light, respectively with the control
Unit 320 processed is electrically connected.In the present embodiment, described control unit 320 can control the red according to different field intensity values
Lamp, the amber light or the green light shine, and by being similar to the effect of traffic light, provide the user with three kinds of danger etc.
Grade.
In one embodiment, when electric field strength (E) is less than 1kV/m, the green light shines.When 1kV/m≤E <
When 3kV/m, the amber light shines.As 3kV/m≤E < 4kV/m, the amber light shines.As 4kV/m≤E < 5kV/m
When, the red colored lamp shines.As 5kV/m≤E, the red colored lamp shines.It is appreciated that danger classes is by green to Huang Zaizhi
Red continuous raising makes user intuitively obtain danger classes and should be readily appreciated that.
In one embodiment, the electric field measurement equipment 10 further includes power supply 700.The power supply 700 is set to described
Shell 100, and be electrically connected with the electric-field sensor 200, the filter amplification circuit plate 300 and the signal lamp 400.?
In one embodiment, the power supply 700 can be battery, and have charge port, can mention for the electric field measurement equipment 10
For cruising ability.It is appreciated that the power supply 700 can provide electric power for all electrical appliances of the electric field measurement equipment 10.
In one embodiment, the electric field measurement equipment 10 further includes switch 900.The switch 900 is set to described
100 surface of shell is connect with the power supply 700, for controlling the power supply of the power supply 700.
Please also refer to Fig. 4.One embodiment of the application also provides a kind of safety cap 20, including described in any of the above-described embodiment
Electric field measurement equipment 10 and cap body 800.The cap body 800 includes cap body 810 and opens up close to the cap body 810 recessed
Slot 820.The groove 820 is for accommodating the electric field measurement equipment 10.The signal lamp 400 is arranged towards the cap body 810.
The shape size of the cap body 800 is unlimited, can be designed according to actual needs.In one embodiment, the electric field is surveyed
Amount equipment 10 is partially accommodated in the groove 820.In one embodiment, the electric-field sensor 200 is set to the electricity
Field measurement equipment 10 is located at the region outside the groove 820, avoids being convenient for measuring by the interference of the cap body 800.
In the present embodiment, the electric field measurement equipment 10 issues the light of different colours by the signal lamp 400 to pass
Up to the information of different field strength.The safety cap 20 combines the electric field measurement equipment 10, has liberated the double of construction personnel
Hand provides great convenient construction.The light of the signal lamp 400 can be by being seen at cap body 810 by construction personnel, also not
It will affect the work of construction personnel.
In one embodiment, the safety cap 20 further includes voice guard 500.The voice guard 500 is arranged
It is electrically connected in the shell 100, and with described control unit 320.In the present embodiment, the safety cap 20 can also pass through sound
Sound alarm 500 directly knows present electric field strength and danger classes.
In one embodiment, the safety cap 20 further includes display 600.The display 600 and the shell 100
Between connected by support shaft 102, and be electrically connected with described control unit 320.The display 600 is set to the cap body
810 sides.The support shaft 102 is for making the overturning of display 600 to 810 other side of cap body.In the present embodiment
In, the display 600 can show current electric field intensity value.The display 600 has standby position and operating position.When
User can overturn the display 600 to operating position from standby position it should be understood that when current electric field intensity value.It is described
Standby position can be defined as having on the safety cap 20 as user, when will not block work sight by the display 600, institute
State the position of display 600.The operating position can be defined as having on the safety cap 20 as user, can see clearly described aobvious
Show when showing content on device 600, the position of the display 600.
In one embodiment, the support shaft 102 is provided with the switch of the display 600 at shaft position, when
When the display 600 is located at standby position, it is in close state.When the display 600 is reversed, positioned at working position
When setting, the support shaft 102 synchronizes the switch for opening the display 600, connects the display 600 and power supply 700.?
In the present embodiment, the cruising ability of the safety cap 20 can be improved to avoid power wastage.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of electric field measurement equipment characterized by comprising
Shell (100)；
Electric-field sensor (200) is set to the shell (100)；
Filter amplification circuit plate (300) is set in the shell (100), and the filter amplification circuit plate (300) includes filtering
Amplifying circuit (310) and control unit (320), the filter amplification circuit (310) are electrically connected with the electric-field sensor (200)
It connects, described control unit (320) is electrically connected with the filter amplification circuit (310)；And
Signal lamp (400) is set to the shell (100), and is electrically connected with described control unit (320), the signal lamp
(400) include multiple color lamp bead.
2. electric field measurement equipment according to claim 1, which is characterized in that including voice guard (500), be set to institute
It states shell (100), and is electrically connected with described control unit (320).
3. electric field measurement equipment according to claim 1, which is characterized in that the electric-field sensor (200) includes two
Circular electrode plates (210) opposite and disposed in parallel.
4. electric field measurement equipment according to claim 1, which is characterized in that described control unit (320) includes that modulus turns
Parallel operation (321), the analog-digital converter (321) are electrically connected with the filter amplification circuit (310).
5. electric field measurement equipment according to claim 1, which is characterized in that further include display (600), be set to described
Shell (100), and connect with described control unit (320).
6. electric field measurement equipment according to claim 1, which is characterized in that the signal lamp (400) includes red colored lamp, Huang
Colored lights and green light are electrically connected with described control unit (320) respectively.
7. electric field measurement equipment according to claim 1, which is characterized in that further include power supply (700), be set to the shell
Body (100), and it is electric with the electric-field sensor (200), the filter amplification circuit plate (300) and the signal lamp (400)
Connection.
8. a kind of safety cap, which is characterized in that including electric field measurement equipment (10) described in claim 1 and cap body (800),
The cap body (800) includes the brim of a hat (810) and the groove (820) that close the brim of a hat (810) open up, the groove (820)
For accommodating the electric field measurement equipment (10), the signal lamp (400) is arranged towards the brim of a hat (810).
9. safety cap according to claim 8, which is characterized in that further include voice guard (500), be set to the shell
Body (100), and be electrically connected with described control unit (320).
10. safety cap according to claim 8, which is characterized in that further include display (600), with the shell (100)
Between by support shaft (102) connection, and be electrically connected with described control unit (320), the display (600) is set to institute
The brim of a hat (810) side is stated, the support shaft (102) is another to the brim of a hat (810) for making the display (600) overturning
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863155.8U CN209400611U (en) | 2018-11-13 | 2018-11-13 | Electric field measurement equipment and safety cap with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863155.8U CN209400611U (en) | 2018-11-13 | 2018-11-13 | Electric field measurement equipment and safety cap with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209400611U true CN209400611U (en) | 2019-09-17 |
Family
ID=67879755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821863155.8U Active CN209400611U (en) | 2018-11-13 | 2018-11-13 | Electric field measurement equipment and safety cap with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209400611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973753A (en) * | 2019-12-12 | 2020-04-10 | 北京京能清洁能源电力股份有限公司北京分公司 | Safety helmet, safety management method and device based on safety helmet |
-
2018
- 2018-11-13 CN CN201821863155.8U patent/CN209400611U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973753A (en) * | 2019-12-12 | 2020-04-10 | 北京京能清洁能源电力股份有限公司北京分公司 | Safety helmet, safety management method and device based on safety helmet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2318639Y (en) | Earth monitor for electrostatic earthed system | |
| CN207074246U (en) | A kind of GIS partial discharge on-line monitoring system | |
| CN103166137A (en) | Multifunctional and combined type intelligent insulating rod | |
| WO2019100805A1 (en) | Device for conveniently measuring potential of protection pressure plate | |
| CN209400611U (en) | Electric field measurement equipment and safety cap with it | |
| CN103675359A (en) | Wireless handle for battery tester and battery tester component comprising same | |
| CN104215913B (en) | DC power supply analogue ground tester | |
| CN203103812U (en) | Multifunctional combined intelligent insulating rod | |
| CN202929052U (en) | Wireless handle used for cell tester and cell tester assembly including wireless handle | |
| CN207650661U (en) | A kind of over-pressure control device | |
| CN206557274U (en) | Automotive check instrument | |
| RU2770750C1 (en) | Device for checking the absence of voltage in the electrical circuit | |
| CN207650281U (en) | A kind of portable nearly electric intelligent alarm device | |
| CN209821292U (en) | Test tool and test system of high-voltage distribution box | |
| CN207215936U (en) | It is a kind of that there is the DC earthing searching instrument for preventing false protection function | |
| CN204091111U (en) | Early-warning for high pressure insulating boot | |
| CN105699744A (en) | Multifunctional high-voltage electroscope | |
| CN205509565U (en) | Safe charging device | |
| CN205539154U (en) | High voltage electrified display locking apparatus | |
| CN209640434U (en) | A kind of equipment for the vehicle-mounted school VOBC line | |
| CN204091072U (en) | Early-warning for high pressure insulating glove | |
| CN201508396U (en) | Device for automatically monitoring distance between electrified bodies and ensuring operation safety | |
| CN207798915U (en) | Digital multimeter with simulation instruction function | |
| CN103308744B (en) | High-tension cable gauze screen ground wire leakage current detector | |
| CN202661583U (en) | Portable device for lively measuring electrical defects of high-voltage insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |