CN206378583U - Current Mutual Inductance test device - Google Patents

Current Mutual Inductance test device Download PDF

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Publication number
CN206378583U
CN206378583U CN201621336146.4U CN201621336146U CN206378583U CN 206378583 U CN206378583 U CN 206378583U CN 201621336146 U CN201621336146 U CN 201621336146U CN 206378583 U CN206378583 U CN 206378583U
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China
Prior art keywords
sensor
mutual inductance
test device
current mutual
plate
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CN201621336146.4U
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Chinese (zh)
Inventor
杨承武
熊应淋
裴昌广
罗方红
刘会君
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Chongqing Mas Sci & Tech Co Ltd
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Chongqing Mas Sci & Tech Co Ltd
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Priority to CN201621336146.4U priority Critical patent/CN206378583U/en
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Abstract

The utility model provides a kind of Current Mutual Inductance test device, including testboard, sensor cluster, digital display ammeter and control mainboard.Sensor base one end is used to connect sensor to be tested, and the other end is used to connect control mainboard, and some groups of sensor clusters are set on test platform to carry out transducer sensitivity in batches and redirect the test of electric current.Through the above way, the Current Mutual Inductance test device of the utility model embodiment, solution redirects the accurate test of current value and sensitivity, aging and monitoring can be carried out plus the equipment, reduce process flow, the sets of plan is applied to the device of any monitoring current, and Current Mutual Inductance monitoring can be carried out in real time.

Description

Current Mutual Inductance test device
Technical field
The utility model is related to sensor technical field, more particularly to a kind of Current Mutual Inductance test device.
Background technology
A kind of Current Mutual Inductance monitoring device is curent change and correspondence biography in simulation large scale equipment working environment, monitoring wire Sensor makes the monitoring device that current signal is redirected.Sensor is made corresponding instruction by the change of sensor wire surrounding magnetic field and redirected (Current signal is exported), changes of magnetic field is to be changed by current in wire and changed, and current in wire and sensor current are between the two Current Mutual Inductance monitoring sensor mass is effectively ensured.
Underground coal mine environment is quite severe, it is necessary to ensure the equipment such as heading equipment, hydraulic pressure support equipment, extraction equipment just Normal guarantee of work downhole safety environment.If sensor sensing value is not inconsistent with actual conditions, the equipment work in safe handling is chaotic Unpredictable accident will be caused to occur.Sensor mass is lifted by the Current Mutual Inductance test device analog machine working condition Accident can be prevented effectively from.
But there are currently no be used in monitoring sensor redirect sensitivity and redirect the apparatus of value size, Current Mutual Inductance Device effectively monitoring sensitivity and can redirect value size.The current mutual-inductance apparatus is not only applicable to monitoring current under winding shaft Sensor mass, is also suitable the sensor or other devices with any area monitoring curent change, is carried by simulating true environment Rise sensor mass.Monitoring current scope is(0~32A).
Utility model content
The utility model is mainly solving the technical problems that provide a kind of Current Mutual Inductance test device, its simple in construction, peace Dress layout is convenient, easy to operate, not only solves to redirect the accurate test of current value and sensitivity, adding the equipment can enter Row aging and monitoring, reduce process flow, and the sets of plan is applied to the device of any monitoring current, electric current can be carried out in real time mutual Sense monitoring, solves the problems, such as transducer sensitivity, the accurate test for redirecting current value and batch testing.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:Carry For a kind of Current Mutual Inductance test device, it is characterised in that including:Testboard, sensor cluster, digital display ammeter and control master Plate;
The testboard includes base, bottom plate and side cover plate;The bottom plate is positioned on base, is divided into upper plate with Kept apart between bottom plate, upper and lower bottom plate by guide rail, connected between the guide rail and upper and lower bottom plate by screw and nut, it is isolated Space is used for sensor cluster and digital display ammeter cabling to control mainboard;The side cover plate includes two side cover plates and middle cover Plate, if equidistantly installing stem socket thereon, two side cover plates are corresponded with the socket port quantity on inter panel with position;It is described Some sensor sockets are set with socket port correspondence position on bottom plate, for placing sensor on sensor cluster, the bottom plate Correspondence position sets some digital display ammeters on the outside of component;
Control mainboard is installed, including for connecting sensor cluster and digital display ammeter winding displacement below the bottom plate Line transfer plate.
Preferably, the sensor cluster is made up of testing base and magnetic induction generating means, inside its testing base by Four core aviation socket females, male composition, its male and female are by being welded together, and parent part welding ends passes through upper bottom Plate, the four core aviation socket males on upper plate top are attached for inserting sensor female;Upper plate lower end is by with four Core aviation socket male is connected, and male welding lead is connected to line transfer plate.
Preferably, state socket on side cover plate and use four core aviation sockets.
Preferably, the digital display ammeter use range 1A, resolution ratio be 0.01mA ammeter, improve measuring accuracy with And reaction sensitivity.
Preferably, a load is also connected with outside the test device, load is connected on the side cover plate of one end by air switch Socket.
Preferably, control element required in the control mainboard is the half of sensor cluster quantity, control element bag Two single-pole double-throw switch (SPDT)s are included, a lines of mounted two sensors are connected respectively into one of single-pole double throw opens The upper and lower ends of pass, will switch the public power supply selection for being electrically accessed power supply, realizing sensor;And by the b of two sensors, No. c Line distinguishes short circuit, and shorting stub is connected respectively to two common points of another single-pole double-throw switch (SPDT),
The situation of prior art is different from, the beneficial effects of the utility model are:, will by the Current Mutual Inductance test device The nonstandard regularized operation of tradition;Solution redirects current value and real-time monitoring, ordinary sensors and the intelligent sensing of sensitivity Aging and monitoring are separated in the test of device rapid translating, conventional procedure, are now integrated, and present batch testing;Will be in the past The workload of 16 hours is foreshortened to 5 hours.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model Current Mutual Inductance test device.
Fig. 2 is the layout of equipment on the utility model bottom plate.
Fig. 3 is the utility model control circuit connection diagram.
Fig. 4 is the utility model sensor cluster connection figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
A kind of Current Mutual Inductance test device provided referring to Fig. 1 Fig. 2, it is characterised in that including:Testboard 1, sensor group Part 22, digital display ammeter 23 and control mainboard 7;
The testboard includes base, bottom plate and side cover plate;The bottom plate is positioned on base, is divided into the He of upper plate 2 Keep apart 4 by guide rail between lower shoe 3, upper and lower bottom plate, connected between the guide rail and upper and lower bottom plate by screw and nut, its Insulating space is used for sensor cluster 22 and the cabling of digital display ammeter 23 to control mainboard;The side cover plate includes two side cover plates 5 With inter panel 6, if equidistantly installing stem socket thereon, socket port quantity and position on two side cover plates and inter panel are one by one Correspondence;Some sensor sockets are set with socket port correspondence position on the bottom plate, for placing sensor cluster, the bottom plate Correspondence position sets some digital display ammeters on the outside of upper sensor cluster;
Control mainboard 7 is installed, including for connecting sensor cluster and digital display ammeter winding displacement below the bottom plate Line transfer plate.
Wherein, as shown in figure 4, the sensor cluster is made up of testing base and magnetic induction generating means, it tests bottom Seat is internal to be made up of four core aviation socket females 71, male 72, and its male and female are by being welded together, parent part welding End is attached through upper plate, the four core aviation socket males on upper plate top for inserting sensor female;Under upper plate End with four core aviation socket males by being connected, and male welding lead is connected to line transfer plate.
In the present embodiment, socket uses four core aviation sockets on the side cover plate, and left side cover plate is mainly used in installation four Core aviation socket female, left side cover plate is fixed to test platform upper cover plate and uses M4 screws;Inter panel totally four groups of aviation sockets Female, two-by-two short circuit constitute one group, for turning on left side cover plate and right side cover plate;Line of the right side cover plate between loading and a left side Between side cover plate substantially, unique difference switch that has been many independent control is to load.
The digital display ammeter uses range 1A, and resolution ratio is 0.01mA ammeter, improves measuring accuracy and reaction Sensitivity.
As shown in figure 3, the control element needed in the control mainboard is the half of sensor cluster quantity, control element Include two single-pole double-throw switch (SPDT)s, a lines of mounted two sensors are connected respectively to one of single-pole double throw The upper and lower ends of switch, will switch the public power supply selection for being electrically accessed power supply, realizing sensor;And by b, c of two sensors Number line difference short circuit, and shorting stub is connected respectively to needed for two common points of another single-pole double-throw switch (SPDT), control mainboard Element is that element shown in Fig. 3 is multiplied by 50, DDK, switch.The function of playing is work row conversion, testing current conversion, commonly and intelligence Can the conversion of type sensor test.
By the above-mentioned means, the Current Mutual Inductance test device of the utility model embodiment, solution redirects current value and sensitive The accurate test of degree, aging and monitoring can be carried out by adding the equipment, reduce process flow, and the sets of plan is applied to any prison The device of electric current is surveyed, Current Mutual Inductance monitoring can be carried out in real time.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or direct or brief introduction are used in Other correlative technology fields, are similarly included in scope of patent protection of the present utility model.

Claims (6)

1. a kind of Current Mutual Inductance test device, it is characterised in that including:Testboard, sensor cluster, digital display ammeter and control Mainboard;
The testboard includes base, bottom plate and side cover plate;The bottom plate is positioned on base, is divided into upper plate and bottom Kept apart between plate, upper and lower bottom plate by guide rail, connected between the guide rail and upper and lower bottom plate by screw and nut, it isolates empty Between be used for sensor cluster and digital display ammeter cabling to control mainboard;The side cover plate includes two side cover plates and inter panel, If equidistantly installing stem socket thereon, two side cover plates are corresponded with the socket port quantity on inter panel with position;The bottom Some sensor sockets are set with socket port correspondence position on plate, for placing sensor group on sensor cluster, the bottom plate Correspondence position sets some digital display ammeters on the outside of part;
Control mainboard is installed, including the circuit for connecting sensor cluster and digital display ammeter winding displacement below the bottom plate Change-over panel.
2. a kind of Current Mutual Inductance test device according to claim 1, it is characterised in that:The sensor cluster is by testing Base and sensor group to be measured inside its testing base four core aviation socket females, male into being made up of, its male and female are logical Cross and be welded together, parent part welding ends passes through upper plate, the four core aviation socket males on upper plate top, which are used to insert, to be passed Sensor female is attached;Upper plate lower end with four core aviation socket males by being connected, and male welding lead is connected to circuit Change-over panel.
3. a kind of Current Mutual Inductance test device according to claim 1, it is characterised in that:Socket is used on the side cover plate Four core aviation sockets.
4. a kind of Current Mutual Inductance test device according to claim 1, it is characterised in that:The digital display ammeter is using amount Journey 1A, resolution ratio is 0.01mA ammeter, improves measuring accuracy and reaction sensitivity.
5. a kind of Current Mutual Inductance test device according to claim 1, it is characterised in that:Also connect outside the test device A load is connect, load is connected to the socket on the side cover plate of one end by air switch.
6. a kind of Current Mutual Inductance test device according to claim 1, it is characterised in that:Needed in the control mainboard Control element is the half of sensor cluster quantity, and control element includes two single-pole double-throw switch (SPDT)s, by mounted two The a lines of sensor are connected respectively to the upper and lower ends of one of single-pole double-throw switch (SPDT), will switch is public is electrically accessed power supply, it is real The power supply selection of existing sensor;And b, c line of two sensors are distinguished into short circuit, and shorting stub is connected respectively to another Two common points of single-pole double-throw switch (SPDT).
CN201621336146.4U 2016-12-07 2016-12-07 Current Mutual Inductance test device Active CN206378583U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621336146.4U CN206378583U (en) 2016-12-07 2016-12-07 Current Mutual Inductance test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621336146.4U CN206378583U (en) 2016-12-07 2016-12-07 Current Mutual Inductance test device

Publications (1)

Publication Number Publication Date
CN206378583U true CN206378583U (en) 2017-08-04

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Application Number Title Priority Date Filing Date
CN201621336146.4U Active CN206378583U (en) 2016-12-07 2016-12-07 Current Mutual Inductance test device

Country Status (1)

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CN (1) CN206378583U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112731015A (en) * 2020-12-18 2021-04-30 深圳双十科技有限公司 Product aging tester structure and testing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112731015A (en) * 2020-12-18 2021-04-30 深圳双十科技有限公司 Product aging tester structure and testing method

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