A kind of voltage transformer error calibrating installation
Technical field
The utility model is related to the technical field of calibrating installation, more particularly to a kind of voltage transformer error calibration cartridge
Put.
Background technology
It is well known that voltage transformer and transformer are very alike, all it is the voltage on conversion line.But transformer
The purpose of voltage of transformation is that, in order to convey electric energy, therefore capacity is very big, typically all with kilovolt-ampere or megavolt-ampere be unit of account;
And the purpose of voltage transformer voltage of transformation, it is primarily used to be powered to measuring instrumentss and protective relaying device, for measuring line
The voltage on road, power and electric energy, or for the expensive equipment in the protection circuit in line failure, motor and transformation
Device, thus voltage transformer capacity very little, it is typically all only several volt-amperes, tens volt-amperes, maximum to be also no more than one kilovolt-ampere, and
Voltage transformer error calibrating installation is then the equipment that a kind of error for voltage transformer is proofreaded, and it leads in correlation
It is widely used in domain;Existing voltage transformer error calibrating installation includes support group and housing, and housing is arranged on branch
In frame group, housing is internally provided with placed cavity, and is provided with A/D change-over circuits, merging module and data in placed cavity
Reason module, is provided with display screen groove, and display screen is provided with display screen groove on the leading flank of housing, A/D change-over circuits with
Merging module is electrically connected, and merging module is electrically connected with data processing module, and data processing module is electrically connected with display screen;It is used
When the output signal of two voltage transformers is acquired after A/D change-over circuits are electrically connected with two voltage transformers,
And it is delivered to merging module, sending the signal to data processing module by merging module carries out error information measurement, and by error
It is modified, result is sent to display screen after amendment is shown;Sent out in this voltage transformer error calibrating installation use
Existing, its support group is poor to the placement fixed effect of housing and voltage transformer, and it cannot be according to the requirement of staff
Rotation regulation is carried out, adaptability is poor;It is higher using limitation and it is needed in particular place work.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of fixed effect preferably, rotation regulation can be carried out, improved
Adaptability, and reduce the voltage transformer error calibrating installation for using limitation.
A kind of voltage transformer error calibrating installation of the present utility model, including support group and housing, the inside of housing sets
Placed cavity is equipped with, and A/D change-over circuits, merging module and data processing module are provided with placed cavity, the leading flank of housing
On be provided with display screen groove, and display screen is provided with display screen groove, A/D change-over circuits are electrically connected with merging module, are merged
Module is electrically connected with data processing module, and data processing module is electrically connected with display screen;The support group includes upper frame, left fixation
Plate, left spring, right fixed plate, right spring, placement shell, rotating shaft, underframe, left frame and left side frame, the left fixed plate and the right side are solid
Fixed board is separately mounted to upper frame top left hand and right side, and left spring left end is connected with left fixed plate, right spring right-hand member and right fixation
Plate is connected, and the housing is installed between left spring and right spring, and the housing bottom and upper frame tip contact, described to put
Put shell and be arranged on upper frame lower section, left frame and left side frame are separately mounted to place the left side and right side of shell, the top of the underframe
Lower standing groove is provided with, and lower ball bearing is provided with lower standing groove, the bottom of the rotating shaft is inserted into lower ball bearing
Interior, the top of rotating shaft is connected with the bottom for placing shell;The rechargeable battery that is internally provided with for placing shell, and placing shell side wall
On be provided with charging socket, the top of the upper frame is provided with power supply plug, and the bottom of the housing is provided with power supply jack, institute
State power supply plug to be inserted into power supply jack, the charging socket and power supply plug are electrically connected with rechargeable battery, and the A/D turns
Circuit, merging module, data processing module and display screen is changed to be electrically connected with power supply jack.
A kind of voltage transformer error calibrating installation of the present utility model, also including left socle and right support, the left branch
The top of frame and right support with place shell bottom and be connected, and the left socle and right support respectively positioned at the left side of rotating shaft with
The bottom of right side, the left socle and right support is provided with pulley, and bottom and the underframe of the pulley tip contact.
A kind of voltage transformer error calibrating installation of the present utility model, also including left-hand thread pipe, left-hand thread bar, left placement
Platform, right-hand thread pipe, right-hand thread bar and right mounting table, the left frame top are provided with left standing groove, and are set in left standing groove
Left ball bearing is equipped with, the left-hand thread ttom of pipe end is inserted into left ball bearing, simultaneously spiral shell is filled to a left side to the insertion of left-hand thread bar bottom
Inside screwed pipe top, left mounting table is arranged on left-hand thread bar top, and the left side frame top is provided with right standing groove, and on the right side
Right ball bearing is provided with standing groove, the right-hand thread ttom of pipe end is inserted into right ball bearing, the insertion of right-hand thread bar bottom
And spiral shell is filled to inside right-hand thread pipe top, right mounting table is arranged on right-hand thread bar top.
A kind of voltage transformer error calibrating installation of the present utility model, it is described also including left support post and right support post
The top of left support post and right support post is connected with upper frame bottom left side and right side respectively, the left support post and right support post
Bottom is connected with placement shell top left hand and right side respectively.
A kind of voltage transformer error calibrating installation of the present utility model, also including left clamp and right clamp, the left card
Plate is arranged on left spring right-hand member, and right clamp is arranged on right spring left end, and the housing is installed between left clamp and right clamp.
The beneficial effects of the utility model are compared with prior art:By above-mentioned setting, can be by left spring and the right side
Spring reaches more preferable fixed effect, and easy disassembly to housing, and can be entered by rotating shaft and the cooperation of lower ball bearing
Row integral-rotation is adjusted, and improves adaptability;Single unit system can be entered exercise in any region by the design of rechargeable battery
With reduction uses limitation, more practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in figure 1, a kind of voltage transformer error calibrating installation of the present utility model, including support group and housing 1, shell
Body is internally provided with placed cavity, and is provided with A/D change-over circuits, merging module and data processing module, shell in placed cavity
Display screen groove is provided with the leading flank of body, and display screen 2, A/D change-over circuits and merging module are provided with display screen groove
Electrical connection, merging module is electrically connected with data processing module, and data processing module is electrically connected with display screen;Support group includes upper frame
3rd, left fixed plate 4, left spring 5, right fixed plate, right spring, placement shell 6, rotating shaft 7, underframe 8, left frame and left side frame 9, Zuo Gu
Fixed board and right fixed plate are separately mounted to upper frame top left hand and right side, and left spring left end is connected with left fixed plate, and right spring is right
End is connected with right fixed plate, and housing is installed between left spring and right spring, and housing bottom and upper frame tip contact, is placed
Shell is arranged on upper frame lower section, and left frame and left side frame are separately mounted to place the left side and right side of shell, and the top of underframe is provided with
Lower standing groove, and lower ball bearing 10 is provided with lower standing groove, the bottom of rotating shaft is inserted into lower ball bearing, rotating shaft
Top is connected with the bottom for placing shell;That places shell is internally provided with rechargeable battery 11, and is provided with shell side wall is placed and fills
Electrical outlet 12, the top of upper frame is provided with power supply plug 13, and the bottom of housing is provided with power supply jack, and power supply plug is inserted into confession
In electric jack, charging socket and power supply plug are electrically connected with rechargeable battery, A/D change-over circuits, merging module, data processing mould
Block and display screen are electrically connected with power supply jack;By above-mentioned setting, housing can be reached more by left spring and right spring
Good fixed effect, and easy disassembly, and integral-rotation regulation can be carried out by rotating shaft and the cooperation of lower ball bearing, carry
Adaptability high;Single unit system can be used in any region by the design of rechargeable battery, reduction uses limitation,
It is more practical.
A kind of voltage transformer error calibrating installation of the present utility model, also including left socle 14 and right support, left socle
Top with right support is connected with placement shell bottom, and left socle and right support are respectively positioned at the left side and right side of rotating shaft,
The bottom of left socle and right support is provided with pulley 15, and pulley bottom and the tip contact of underframe, can reach more preferably
Rotation support effect.
A kind of voltage transformer error calibrating installation of the present utility model, also including left-hand thread pipe, left-hand thread bar, left placement
Platform, right-hand thread pipe 16, right-hand thread bar 17 and right mounting table 18, left frame top are provided with left standing groove, and in left standing groove
Left ball bearing is provided with, left-hand thread ttom of pipe end is inserted into left ball bearing, simultaneously spiral shell is filled to left spiral shell to the insertion of left-hand thread bar bottom
Inside line pipe top, left mounting table is arranged on left-hand thread bar top, and left side frame top is provided with right standing groove, and in right standing groove
Right ball bearing is inside provided with, right-hand thread ttom of pipe end is inserted into right ball bearing, simultaneously spiral shell is filled to the right side to the insertion of right-hand thread bar bottom
Inside screwed pipe top, right mounting table is arranged on right-hand thread bar top, and two voltage transformers are individually positioned in into left mounting table
On right mounting table, and whole height regulation can be carried out by the rotation of left-hand thread pipe and right-hand thread pipe, improve adaptability.
A kind of voltage transformer error calibrating installation of the present utility model, it is left also including left support post 19 and right support post
The top of support column and right support post is connected with upper frame bottom left side and right side respectively, the bottom point of left support post and right support post
It is not connected with placement shell top left hand and right side.
A kind of voltage transformer error calibrating installation of the present utility model, also including left clamp 20 and right clamp, left clamp
Installed in left spring right-hand member, right clamp is arranged on right spring left end, and housing is installed between left clamp and right clamp.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvement and modification can also be made, these change
Enter and protection domain of the present utility model is also should be regarded as with modification.