CN110108917A - A kind of voltage and current acquisition device and system - Google Patents
A kind of voltage and current acquisition device and system Download PDFInfo
- Publication number
- CN110108917A CN110108917A CN201910543846.2A CN201910543846A CN110108917A CN 110108917 A CN110108917 A CN 110108917A CN 201910543846 A CN201910543846 A CN 201910543846A CN 110108917 A CN110108917 A CN 110108917A
- Authority
- CN
- China
- Prior art keywords
- voltage
- current
- acquisition device
- component
- insulated conductor
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a kind of voltage and current acquisition device and system, which includes straight-through current transformer, and the puncture component of the straight-through current transformer is arranged in；The puncture component is used to pierce through the insulating layer for the insulated conductor for being fixed on the straight-through current transformer internal diameter, the metallic conductor inside insulating layer to touch the insulated conductor；The straight-through current transformer is used to acquire the voltage of the insulated conductor by the puncture component；The straight-through current transformer is also used to acquire the electric current of the insulated conductor by the puncture component.A kind of voltage and current acquisition device provided by the invention and system, insulated conductor is pierced through by puncture component, to make straight-through current transformer pass through the voltage and or current of puncture component acquisition external insulated leads, it does not need the equipment for connecting external insulated leads and carries out power down process, compared with the prior art, the convenience of voltage and current acquisition can be effectively improved.
Description
Technical field
The present embodiments relate to technical field of power systems more particularly to a kind of voltage and current acquisition device and systems.
Background technique
Electrical equipment in each application is required to collection voltages electric current, and existing voltage and current acquisition device is logical
When crossing the voltage and current of external insulated leads acquisition equipment, the equipment for needing to connect external insulated leads carries out power down process
Current transformer could be installed, it is difficult to be mounted directly on insulated conductor, influence the convenience of voltage and current acquisition.
Summary of the invention
The present invention provides a kind of voltage and current acquisition device and system, so as to solve the deficiencies in the prior art.
To achieve the above object, the present invention provides technical solution below:
1, a kind of voltage and current acquisition device characterized by comprising straight-through current transformer, and be arranged in institute
State the puncture component of straight-through current transformer；
The puncture component is used to pierce through the insulating layer for the insulated conductor for being fixed on the straight-through current transformer internal diameter, with
Touch the metallic conductor inside the insulating layer of the insulated conductor；
The straight-through current transformer is used to acquire the voltage of the insulated conductor by the puncture component；
The straight-through current transformer is also used to acquire the electric current of the insulated conductor by the puncture component.
2, voltage and current acquisition device according to claim 1, which is characterized in that the straight-through current transformer
It is provided with extension, the extension is arranged radially along the straight-through current transformer.
3, voltage and current acquisition device according to claim 2, which is characterized in that the puncture component includes puncture needle
With screw component；Wherein,
The puncture needle is at least one；The component that screws includes screwing screw rod and knob；The puncture needle and described
It screws screw rod and is fixed on the extension inner wall；The opposite side for screwing screw rod and being located at the puncture needle；The knob is located at institute
State the outer diameter position of extension.
4, voltage and current acquisition device according to claim 2, which is characterized in that the puncture component includes screwing thorn
Needle and knob；Wherein,
The pricker that screws is located at the extension inner wall；The knob is located at the outer diameter position of the extension.
5, voltage and current acquisition device according to claim 2, which is characterized in that the extension is provided with internal diameter
Regulating member, the internal diameter regulating member are used to adjust the inner diameter size of the extension.
6, voltage and current acquisition device according to claim 5, which is characterized in that the internal diameter regulating member includes
Adjusting screw rod, and the adjusting nut and adjusting block that are separately connected with the adjusting screw rod；
The adjusting block setting is fluted, and the extension inner wall is provided with matched with the groove of the adjusting block convex
Item.
7, voltage and current acquisition device according to claim 2, which is characterized in that further include being set to the stretching
The temperature acquisition component of portion's internal diameter, the temperature acquisition component are used to acquire the temperature of the insulated conductor.
8, voltage and current acquisition device according to claim 2, which is characterized in that further include socket and/or cable
Terminal, and the lead being connect with the socket and/or the cable terminal；Wherein,
The socket and/or the cable terminal are used to obtain the insulated conductor of the puncture component acquisition by the lead
Voltage；
The socket and/or the cable terminal are also used to acquire the secondary current electric current of the current transformer；
The socket includes at least a voltage socket and a pair of of secondary current socket.
9, voltage and current acquisition device according to claim 1, which is characterized in that the current transformer includes the
A part and second part, the first part and the second part are symmetrical；
One end of the first part and one end of the second part are connected by a hinge；The first part it is another
End and the connection type of the other end of the second part include that hinge is connect, fastener connects and one of snaps connection or
It is a variety of.
10, a kind of voltage and current acquisition system, which is characterized in that including main website, the acquisition terminal being connect with the main website
And the voltage and current acquisition device as described in any one of claims 1 to 9 being connect with the acquisition terminal；Wherein,
The acquisition terminal is communicated with the main website by communication modes wiredly and/or wirelessly；The acquisition is eventually
The voltage and current for holding the insulated conductor for receiving the voltage and current acquisition device acquisition, generates and leads with the insulation
The corresponding voltage and current of the voltage and current of line.
A kind of voltage and current acquisition device provided in an embodiment of the present invention and system pierce through insulated conductor by puncture component,
To make straight-through current transformer by the voltage and or current of puncture component acquisition external insulated leads, not needing will be external
The equipment of insulated conductor connection carries out power down process, compared with the prior art, can effectively improve the convenient of voltage and current acquisition
Property.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 shows a kind of structural schematic diagram of voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of another kind voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 3 shows the structural schematic diagram of another kind voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 4 shows a kind of front view of voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 5 shows the structural schematic diagram of another kind voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 6 shows the front view of another kind voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 7 shows the front view of another kind voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 8 shows a kind of top view of voltage and current acquisition device provided by the embodiment of the present invention；
Fig. 9 shows a kind of structural schematic diagram of voltage and current acquisition system provided by the embodiment of the present invention.
Appended drawing reference:
110- straight-through current transformer；120- puncture component；121- screws pricker；122- knob；123- puncture needle；124-
Screw component；1241- screws screw rod；1242- knob；130- internal diameter regulating member；131- adjusting screw rod；132- adjusting nut；
133- adjusting block；1331- groove；1332- raised line；140- temperature acquisition component；151- voltage socket；152- secondary current is inserted
Mouthful；160- cable terminal.
Specific embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that reality disclosed below
Applying example is only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it is to be understood that, when a component is considered as " connection " another component, it can
To be directly to another component or may be simultaneously present the component being centrally located.When a component is considered as " setting
Set " another component, it, which can be, is set up directly on another component or may be simultaneously present the component being centrally located.
In addition, the indicating positions such as term " length " " short " "inner" "outside" or positional relationship for the orientation that is shown based on attached drawing or
Person's positional relationship is merely for convenience of the description present invention, rather than the device or original part of indication or suggestion meaning must have this
Specific orientation is operated with specific orientation construction, should not be understood as limitation of the invention with this.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
Current existing voltage and current acquisition device is needed when acquiring the voltage and current of equipment by external insulated leads
The equipment of external insulated leads connection, which is carried out power down process, could install current transformer, it is difficult on insulated conductor directly
Installation influences the convenience of voltage and current acquisition, is based on this, a kind of voltage and current acquisition device provided in an embodiment of the present invention and
System can effectively improve the convenience of voltage and current acquisition.
To acquire fill to a kind of voltage and current disclosed in the embodiment of the present invention first convenient for understanding the present embodiment
It sets and describes in detail.
In one embodiment, shown in Figure 1 the embodiment of the invention provides a kind of voltage and current acquisition device
The structural schematic diagram of voltage and current acquisition device, as shown, the device includes that straight-through current transformer 110 and setting are being worn
The puncture component 120 of core type current transformer 110.
Puncture component 120 is used to pierce through the insulating layer for the insulated conductor for being fixed on 110 internal diameter of straight-through current transformer, to connect
Contact the metallic conductor inside the insulating layer of insulated conductor.Specifically, puncture component can be fixed puncture component or movable type
Puncture component.It wherein, can be by applying pressure to external insulated leads so that puncture component squeezes if puncture component is fixed puncture component
It is pressed into the insulating layer of external insulated leads；It is outer straight-through current transformer to be fixed on if puncture component is mobile puncture component
When on portion's insulated conductor, by controlling the extension elongation of puncture component, puncture component can be punctured to the insulation into external insulated leads
Layer.
Straight-through current transformer 110 is used to acquire the voltage of external insulated leads by puncture component, and centre path current is mutual
Sensor is also used to acquire the electric current of insulated conductor.
Above-mentioned voltage and current acquisition device provided in an embodiment of the present invention, including straight-through current transformer and setting are being worn
The puncture component of core type current transformer inner wall, puncture component pierces through the insulating layer for the external insulated leads connecting with puncture component, to connect
It contacts inside the insulating layer of insulated conductor, straight-through current transformer acquires the voltage of external insulated leads by puncture component, wears
Core type current transformer is also used to acquire the electric current of insulated conductor.Since voltage and current acquisition device of the invention passes through puncture component
Pierce through insulated conductor, thus make straight-through current transformer by puncture component acquisition external insulated leads voltage, do not need by
The equipment of external insulated leads connection carries out power down process, leads compared to existing voltage and current acquisition device by exterior insulation
When line acquires the voltage and current of equipment, the equipment for needing to connect external insulated leads carries out power down process, electricity of the invention
Current voltage acquisition device can effectively improve the convenience of voltage and current acquisition.
Specifically, the voltage of above-mentioned voltage and current acquisition device acquisition external insulated leads, and obtain punching mutual inductance
The secondary current of device, this voltage and current are the equipment of external insulated leads connection or the voltage and current of system, above-mentioned voltage
Current collecting device pierces through the insulating layer for the external insulated leads connecting with puncture component by puncture component, to touch insulated conductor
Insulating layer inside metallic conductor, thus make straight-through current transformer pass through puncture component acquire external insulated leads electricity
Pressure.
External insulated leads can be the A phase, B phase and C phase three-phase cable of external equipment or external system, be worn by three
The A phase, B phase and C phase three-phase cable, straight-through current transformer that thorn part is respectively connected to external equipment or external system pass through puncture
Part can acquire the three-phase voltage in external equipment or the three-phase cable of external system.
For convenient for understanding above-described embodiment, the embodiment of the invention also provides another voltage and current acquisition devices
Structural schematic diagram, by taking puncture component is mobile puncture component as an example, another voltage and current acquisition device shown in Figure 2
Structural schematic diagram also illustrates puncture component 120, internal diameter regulating member 130, temperature acquisition component 140 on the basis of Fig. 1
(not shown), voltage socket 151, secondary current socket 152 and cable terminal 160.
Straight-through current transformer is provided with extension, and extension with puncture component for connecting, and extension is along punching
Current transformer is arranged radially.
In one embodiment, puncture component 120 includes screwing pricker 121 and knob 122.Wherein, pricker 121 are screwed
In extension inner wall, knob 122 is located at the outer diameter position of extension.In the specific implementation, in order to puncture component is screwed pricker
It punctures into the insulating layer of external insulated leads, needs to rotate knob and adjust the extension elongation for screwing pricker, so as to screw pricker
It punctures into insulating layer, namely tightens and screw pricker, it is mobile to make to screw pricker guiding line direction, and then make to screw pricker and puncture conducting wire
Insulating layer collection voltages.For example, the length for screwing pricker when user rotates clockwise knob increases, when user will revolve
The length that pricker is screwed when button is rotated counterclockwise is reduced.
In view of the diameter of the external insulated leads of different model may be different, therefore puncture component is provided with internal diameter adjustment portion
Part 130, for adjusting the inner diameter size of extension, specifically, internal diameter regulating member 130 include adjusting screw rod 131, and with tune
The adjusting nut 132 and adjusting block 133 that section screw rod 131 is separately connected, specifically, adjusting screw rod and the mating setting of adjusting nut,
Adjusting block and adjusting nut are integrated setting, operate adjusting screw rod knob, and adjusting block can be made movable, adjust inner diameter size.It is logical
It crosses internal diameter regulating member 130 and controls to adjust block 133 and prolong and move radially so that insulated conductor is stably fixed at centre path current mutual inductance
On device.For example, adjusting nut 132 drives adjusting block 133 to screw pricker 121 to close when adjusting nut 132 rotates clockwise
Direction it is mobile, the internal diameter of straight-through current transformer reduces, the structure of another voltage and current acquisition device as shown in Figure 3
Schematic diagram can be such that puncture component and insulated conductor gets continuously tighter at this time；When adjusting nut 132 rotates counterclockwise, adjusting nut 132
Drive adjusting block 133 to far from the direction movement for screwing pricker 121, the internal diameter of straight-through current transformer increases, punctures at this time
Part is connect with insulated conductor may be more loose.In addition, the position of insulated coil shifts in order to prevent, so being arranged in adjusting block
Fluted 1331, extension inner wall is provided with raised line 1332 matched with the groove 1331 of adjusting block, it is ensured that tune when rope tight conducting wire
Locking nub uniform force.
Further, in order to obtain the temperature of insulated conductor, it may be provided for the temperature of acquisition insulated conductor temperature
Acquisition component 140, in one embodiment, temperature acquisition component can be set in extension inner wall, also can be set in upper
It states on adjusting block 133, so that temperature acquisition component is adequately exposed to insulated conductor, and then improve the temperature acquisition of insulated conductor
Accuracy.
Device provided in an embodiment of the present invention further includes voltage socket 151, secondary current socket 152 and cable terminal 160,
And the lead being connect with voltage socket 151, secondary current socket 152 and cable terminal 160.Wherein, socket and/or cable end
The voltage of insulated conductor of the son for obtaining the puncture component acquisition by lead, socket and/or cable terminal are also used to pass through
The secondary current of the current transformer is obtained, socket includes at least a voltage socket and a pair of of secondary current socket, socket
It can also include the temperature socket for obtaining insulated conductor temperature.In the specific implementation, one end of lead and voltage socket
151, secondary current socket 152 and cable terminal 160 connect, and the other end of lead is connect with puncture component, to be taken by puncture component
To the voltage of insulated conductor.Cable terminal 160 is used to for the voltage and or current for the insulated conductor got being transmitted to acquisition eventually
End, voltage socket 151 is used to power by the voltage for the insulated conductor got to other equipment, such as voltage socket 151 is through leading
Line is connected to light bulb, to provide voltage to the light bulb；Secondary current socket 152 is used for the secondary electricity of the insulated conductor by getting
Flow to other equipment power supply；In addition, above-mentioned voltage socket 151 and secondary current socket 152 may also connect to detection device, meter
Measure device or measuring device.
In order to which straight-through current transformer is fixed on insulated conductor, voltage and current acquisition provided in an embodiment of the present invention
Device further includes a variety of fixed forms.In some embodiments, current transformer includes first part and second part, and first
Part is symmetrical with second part；One end of first part and one end of second part are connected by a hinge；First part it is another
End includes that hinge is connect, fastener connects and one of snaps connection or more with the connection type of the other end of second part
Kind.When specific implementation, the other end setting of first part is fluted, and the other end of second part is provided with and the first iron core portion
The matched protrusion of groove, so that the iron core in the first iron core portion and the alignment of the iron core in the second iron core portion.
The embodiment of the present invention illustrates a kind of front view of voltage and current acquisition device, such as on the basis of above-mentioned Fig. 2
Shown in Fig. 4.
Straight-through current transformer passes through the extension being disposed radially and connect with puncture component, specifically, extension is arranged
Socket and/or connecting terminal connect with puncture component by lead so that straight-through current transformer by puncture component acquisition outside
The voltage of portion's insulated conductor, and the secondary current of acquisition current transformer, and the internal diameter regulating member being arranged on puncture component
The elasticity that adjustable puncture component is connect with insulated conductor, convenient for more effectively acquiring the voltage and current of insulated conductor.
The first part of straight-through current transformer is connected with second part, can be connected by a hinge, fastener connection
With one of snap connection or a variety of connection types are attached, and the groove of first part and the protrusion of second part are matched
Set facilitates the connection of first part and second part so that the iron core of the iron core of first part and second part is aligned.Wherein,
Hinge connection can be made of moveable component, or be made of folding material；Fastener is also referred to as standard component, is by two
The general name of a or more than two parts (or component) used one kind machine components when being fastenedly connected as an entirety, tightly
Firmware connection type is widely used；It snaps connection and connect for a part with the insertion of another part or be integrally latched, usually
For the connection of plastic part, material is usually by having certain flexible plastic material to constitute, the installing and dismounting snapped connection
It is convenient.
Further, the embodiment of the invention also provides another voltage and current acquisition device, voltage and current acquisition dresses
It sets using fixed puncture component, the structural schematic diagram of another voltage and current acquisition device shown in Figure 5, the voltage and current
Acquisition device includes: puncture component 120, temperature acquisition component 140, voltage socket 151, secondary current socket 152 and cable terminal
160。
In one embodiment, puncture component 120 includes puncture needle 123 and screws component 124.Wherein, puncture needle 123 is
More；Screwing component 124 includes screwing screw rod 1241 and knob 1242.It puncture needle 123 and screws screw rod 1241 and is fixed on stretching
Portion's inner wall, knob 1242 are located at the outer diameter position of extension, screw the opposite side that screw rod 1241 is located at puncture needle 123.Specific real
Insulated conductor is placed on extension inner wall by Shi Shi, is screwed screw rod 1241 at this time and is resisted insulated conductor, by rotating knob 1242
Make to screw screw rod 1241 to insulated conductor application pressure, to make puncture needle 123 puncture into the insulating layer of insulated conductor, then will
Insulated conductor is fixed on straight-through current transformer.Further, it shifts to prevent insulated conductor, screws screw rod
Cambered design is used with one end of conductive contact on 1141, is bonded so as to screw screw rod with insulated conductor, and then prevents insulation from leading
Line offset；Adjusting block 133 is additionally provided on screw rod 1141 in addition, screwing, wherein fluted 1331 are arranged on adjusting block 133, stretches
Portion's inner wall is provided with raised line 1332 matched with the groove 1331 of adjusting block out.
In one embodiment, fixed puncture component can use 9 root puncture needles, for example, voltage electricity shown in Fig. 5
3 row, 3 column puncture needle is set in extension in stream acquisition device, every is all connected with and is connected to socket or cable terminal through lead.
Further, it is also provided with temperature sensor in voltage and current acquisition device, is surveyed in order to improve temperature
Temperature sensor can be set to extension inner wall or the above-mentioned end for screwing screw rod is arranged in by the accuracy of amount, so as to
Enable contacting with external insulated leads for temperature sensor maximum area, and then improves the accuracy of temperature measurement.
For convenient for understanding another voltage and current acquisition device that Fig. 5 is provided, base of the embodiment of the present invention in Fig. 5
The front view of another voltage and current acquisition device is additionally provided on plinth, for details, reference can be made to another voltage and currents shown in fig. 6
The front view of acquisition device.
In one embodiment, as Fig. 7 illustrates a kind of front view of voltage and current acquisition device, the electricity in Fig. 7
Current transformer is fixed on external insulated leads, the voltage of external insulated leads is acquired by three puncture components, and obtain and wear
The secondary current of core type mutual inductor, the external insulated leads in Fig. 7 have three, are separately connected three puncture components, i.e. acquisition is external
The equipment of insulated conductor connection or the three-phase voltage and/or three-phase current of system, three external insulated leads indicate equipment or
A phase, the phase line of B phase and C phase of system, the color of external insulated leads be respectively it is yellow, green and red, respectively represent and equipment or be
A phase, the B phase of system are connected with C.For ease of understanding, the embodiment of the invention also provides voltage and current acquisition devices shown in Fig. 8
Top view be fixed on outside B phase wherein being from left to right followed successively by the current transformer being fixed on A phase external insulated leads
Current transformer on insulated conductor and the current transformer being fixed on C phase external insulated leads.
A kind of voltage and current acquisition device provided in an embodiment of the present invention pierces through insulated conductor by puncture component, to make
Straight-through current transformer acquires the voltage and or current of external insulated leads by puncture component, does not need to lead exterior insulation
The equipment of line connection carries out power down process, compared with the prior art, can effectively improve the convenience of voltage and current acquisition.
Embodiment two
The embodiment of the present invention provides a kind of voltage and current acquisition system, including main website, the acquisition terminal being connect with main website with
And the voltage and current acquisition device as described in embodiment one being connect with acquisition terminal；Wherein, acquisition terminal is with main website by having
Line and/or wireless communication modes are communicated, and are shown a kind of voltage and current provided in an embodiment of the present invention referring to Fig. 9 and are acquired
The structural schematic diagram of system is connect as above including main website 100, the acquisition terminal connecting with main website 200 and with acquisition terminal
The voltage and current acquisition device 300 stated.
Acquisition terminal be used for receive voltage and current acquisition device acquisition the insulated conductor voltage and current, generate with
The corresponding voltage and current of the voltage and current of insulated conductor.
Acquisition terminal inputs A, B, C three-phase current and three-phase voltage by lead respectively, wherein any one phase voltage such as A phase
Operating voltage of the voltage Uan as acquisition terminal, obtains three-phase voltage current by operation.
Specifically, when the three-phase voltage and three-phase current of the equipment or system that are such as connected for acquisition external insulated leads,
Acquire three-phase voltage and three-phase current by voltage and current acquisition device, acquisition terminal can by with voltage and current acquisition device
The lead of connection inputs A, B, C three-phase current and three-phase voltage respectively, wherein any one phase voltage (such as A phase voltage Uan) conduct
The operating voltage of acquisition terminal obtains three-phase voltage current by operation, and three-phase voltage current is passed through wired or wireless
Communication modes upload to main website, in order to which main website can monitor the voltage and current of acquisition in real time, are adopted by voltage and current
The collecting work of collecting system completion voltage and current.
Main website and the acquisition of acquisition terminal composition data and supervisor control (SCADA, Supervisory Control
And Data Acquisition), the RS485 communication modes in wire communication mode can be passed through between acquisition terminal and main website
It is communicated.
It should be appreciated that Fig. 9 is only a kind of structural schematic diagram of voltage and current acquisition system, rather than voltage and current acquires
The exclusive architecture of system can also include in actual use other function structure, specifically with reality in addition to structure shown in Fig. 9
Subject to the service condition of border, it is not limited by the embodiments of the present invention.
A kind of voltage and current acquisition system provided in an embodiment of the present invention pierces through insulated conductor by puncture component, to make
Straight-through current transformer acquires the voltage and or current of external insulated leads by puncture component, does not need to lead exterior insulation
The equipment of line connection carries out power down process, compared with the prior art, can effectively improve the convenience of voltage and current acquisition.
So far, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of voltage and current acquisition device, which is characterized in that including straight-through current transformer, and be arranged in the punching
The puncture component of formula current transformer；
The puncture component is used to pierce through the insulating layer for the insulated conductor for being fixed on the straight-through current transformer internal diameter, with contact
Metallic conductor to inside the insulating layer of the insulated conductor；
The straight-through current transformer is used to acquire the voltage of the insulated conductor by the puncture component；
The straight-through current transformer is also used to acquire the electric current of the insulated conductor by the puncture component.
2. voltage and current acquisition device according to claim 1, which is characterized in that the straight-through current transformer setting
There is extension, the extension is arranged radially along the straight-through current transformer.
3. voltage and current acquisition device according to claim 2, which is characterized in that the puncture component includes puncture needle and rotation
Tight component；Wherein,
The puncture needle is at least one；The component that screws includes screwing screw rod and knob；It the puncture needle and described screws
Screw rod is fixed on the extension inner wall；The opposite side for screwing screw rod and being located at the puncture needle；The knob is located at described stretch
The outer diameter position in portion out.
4. voltage and current acquisition device according to claim 2, which is characterized in that the puncture component include screw pricker and
Knob；Wherein,
The pricker that screws is located at the extension inner wall；The knob is located at the outer diameter position of the extension.
5. voltage and current acquisition device according to claim 2, which is characterized in that the extension is provided with internal diameter adjusting
Component, the internal diameter regulating member are used to adjust the inner diameter size of the extension.
6. voltage and current acquisition device according to claim 5, which is characterized in that the internal diameter regulating member includes adjusting
Screw rod, and the adjusting nut and adjusting block that are separately connected with the adjusting screw rod；
The adjusting block setting is fluted, and the extension inner wall is provided with raised line matched with the groove of the adjusting block.
7. voltage and current acquisition device according to claim 2, which is characterized in that further include being set in the extension
The temperature acquisition component of diameter, the temperature acquisition component are used to acquire the temperature of the insulated conductor.
8. voltage and current acquisition device according to claim 2, which is characterized in that it further include socket and/or cable terminal,
And the lead being connect with the socket and/or the cable terminal；Wherein,
The socket and/or the cable terminal are used to obtain the electricity of the insulated conductor of the puncture component acquisition by the lead
Pressure；
The socket and/or the cable terminal are also used to acquire the secondary current electric current of the current transformer；
The socket includes at least a voltage socket and a pair of of secondary current socket.
9. voltage and current acquisition device according to claim 1, which is characterized in that the current transformer includes first
Divide and second part, the first part and the second part are symmetrical；
One end of the first part and one end of the second part are connected by a hinge；The other end of the first part with
The connection type of the other end of the second part includes hinge connection, fastener connection and one of snaps connection or more
Kind.
10. a kind of voltage and current acquisition system, which is characterized in that including main website, the acquisition terminal being connect with the main website and
The voltage and current acquisition device as described in any one of claims 1 to 9 being connect with the acquisition terminal；Wherein,
The acquisition terminal is communicated with the main website by communication modes wiredly and/or wirelessly；The acquisition terminal is used
In the voltage and current for the insulated conductor for receiving the voltage and current acquisition device acquisition, generate and the insulated conductor
The corresponding voltage and current of voltage and current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543846.2A CN110108917A (en) | 2019-06-21 | 2019-06-21 | A kind of voltage and current acquisition device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543846.2A CN110108917A (en) | 2019-06-21 | 2019-06-21 | A kind of voltage and current acquisition device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110108917A true CN110108917A (en) | 2019-08-09 |
Family
ID=67495737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910543846.2A Pending CN110108917A (en) | 2019-06-21 | 2019-06-21 | A kind of voltage and current acquisition device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110108917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456117A (en) * | 2019-09-09 | 2019-11-15 | 周封 | Intelligent electric ready-package can hot line job voltage sensor |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2422959A1 (en) * | 1978-04-13 | 1979-11-09 | Martinet Rene | Pliers-type tester for insulated electrical cables - has jaws with guides and insulator piercing point connected to neon lamp, via fuse in handle indicating when leakage path is provided |
| US5447450A (en) * | 1994-02-22 | 1995-09-05 | Woodward; Carl W. | Live wire detection adapter with grounding capability |
| US6552522B1 (en) * | 1997-05-12 | 2003-04-22 | Grant W. Zook | Wire cutter tool with integral insulation piercing circuit tester |
| CN101034101A (en) * | 2007-02-02 | 2007-09-12 | 湖北盛佳电器设备有限公司 | Straight-through current transformer for taking voltage from wrapping conductor using puncturing method |
| CN105355406A (en) * | 2015-11-24 | 2016-02-24 | 广东电网有限责任公司电力科学研究院 | Opening current transformer capable of being installed in powered-on mode |
| CN205301410U (en) * | 2015-12-08 | 2016-06-08 | 广东电网有限责任公司茂名供电局 | Integrative dual -purpose detection puncture of current -voltage is pressed from both sides |
| CN206710491U (en) * | 2017-05-10 | 2017-12-05 | 合肥瑞达软件科技有限公司 | A kind of band punctures the open C T acquisition terminals of power taking |
| CN208060601U (en) * | 2018-03-24 | 2018-11-06 | 深圳市脉联电子有限公司 | A kind of retractable piercing Intelligent transformator |
| CN108828287A (en) * | 2018-04-08 | 2018-11-16 | 江阴市星火电子科技有限公司 | It is a kind of for measure traverse line electric current, voltage, temperature open-close type mutual inductor |
| CN208156134U (en) * | 2018-05-08 | 2018-11-27 | 广东电网有限责任公司 | Pressure line monitoring device and system |
| CN210136263U (en) * | 2019-06-21 | 2020-03-10 | 广东电网有限责任公司 | Voltage and current acquisition device and system |
-
2019
- 2019-06-21 CN CN201910543846.2A patent/CN110108917A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2422959A1 (en) * | 1978-04-13 | 1979-11-09 | Martinet Rene | Pliers-type tester for insulated electrical cables - has jaws with guides and insulator piercing point connected to neon lamp, via fuse in handle indicating when leakage path is provided |
| US5447450A (en) * | 1994-02-22 | 1995-09-05 | Woodward; Carl W. | Live wire detection adapter with grounding capability |
| US6552522B1 (en) * | 1997-05-12 | 2003-04-22 | Grant W. Zook | Wire cutter tool with integral insulation piercing circuit tester |
| CN101034101A (en) * | 2007-02-02 | 2007-09-12 | 湖北盛佳电器设备有限公司 | Straight-through current transformer for taking voltage from wrapping conductor using puncturing method |
| CN105355406A (en) * | 2015-11-24 | 2016-02-24 | 广东电网有限责任公司电力科学研究院 | Opening current transformer capable of being installed in powered-on mode |
| CN205301410U (en) * | 2015-12-08 | 2016-06-08 | 广东电网有限责任公司茂名供电局 | Integrative dual -purpose detection puncture of current -voltage is pressed from both sides |
| CN206710491U (en) * | 2017-05-10 | 2017-12-05 | 合肥瑞达软件科技有限公司 | A kind of band punctures the open C T acquisition terminals of power taking |
| CN208060601U (en) * | 2018-03-24 | 2018-11-06 | 深圳市脉联电子有限公司 | A kind of retractable piercing Intelligent transformator |
| CN108828287A (en) * | 2018-04-08 | 2018-11-16 | 江阴市星火电子科技有限公司 | It is a kind of for measure traverse line electric current, voltage, temperature open-close type mutual inductor |
| CN208156134U (en) * | 2018-05-08 | 2018-11-27 | 广东电网有限责任公司 | Pressure line monitoring device and system |
| CN210136263U (en) * | 2019-06-21 | 2020-03-10 | 广东电网有限责任公司 | Voltage and current acquisition device and system |
Non-Patent Citations (1)
| Title |
|---|
| 叶文荪: "《电工技术一本通》", 时代出版传媒股份有限公司 等, pages: 116 - 117 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456117A (en) * | 2019-09-09 | 2019-11-15 | 周封 | Intelligent electric ready-package can hot line job voltage sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105355406B (en) | It is a kind of can powered installation opening current transformer | |
| CN103630734B (en) | A kind of full voltage all-loop self-inspection condensing type electroscope | |
| CN110108917A (en) | A kind of voltage and current acquisition device and system | |
| CN105929327B (en) | key stroke test device and method | |
| CN207994732U (en) | A kind of GIS disconnecting links mechanical location monitoring device and system | |
| CN203275522U (en) | Novel breaker loop resistor testing clamp | |
| CN104849557A (en) | Portable suspension insulator zero value and low value detection tool | |
| CN210136263U (en) | Voltage and current acquisition device and system | |
| CN203084016U (en) | Joint for multimeter and multimeter with joint | |
| CN107942277B (en) | Distribution network mutual inductor error detection wiring circuit and switching device | |
| CN211652978U (en) | Puncture type voltage and temperature collector | |
| CN205785533U (en) | Passive and wireless non-contact temperature measuring device | |
| CN207123544U (en) | Test connecting apparatus and test device for transmission-line aerial | |
| CN209183821U (en) | Spring needle with on-off function | |
| CN109596232A (en) | Temperature measurement sensor mounting structure is asked in a kind of wireless transmission | |
| CN105334359A (en) | Special-purpose test wire clip for circuit breaker tulip contact | |
| CN205539154U (en) | High voltage electrified display locking apparatus | |
| CN204612641U (en) | A kind of hot-line measuring instrument | |
| CN204330156U (en) | A kind of mounting and fixing support of temperature probe adjustable angle | |
| CN102778666A (en) | Wire connector for rapid verification of intelligent electric meter | |
| CN209401792U (en) | Temperature monitoring device and accumulator cell assembly | |
| CN107179422B (en) | Intelligent electric power instrument with wiring protection function | |
| CN209217274U (en) | A kind of anti-mis-insertion tool for terminal block measurement | |
| CN208206310U (en) | A kind of temperature measurement equipment based on RFID | |
| CN209746026U (en) | novel clamp type current measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |