CN207473073U - Power information acquisition terminal detection device - Google Patents
Power information acquisition terminal detection device Download PDFInfo
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- CN207473073U CN207473073U CN201721229209.0U CN201721229209U CN207473073U CN 207473073 U CN207473073 U CN 207473073U CN 201721229209 U CN201721229209 U CN 201721229209U CN 207473073 U CN207473073 U CN 207473073U
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims description 15
- 238000002788 crimping Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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Abstract
A kind of power information acquisition terminal detection device, including measuring signal occurring source and one or more testboard bay, measuring signal occurring source and every testboard bay are respectively provided with electric wiring.Measuring signal occurring source is equipped with output terminal electric connector, and output terminal electric connector is connect with the electric wiring of measuring signal occurring source；Every testboard bay is equipped with input terminal electric connector and output terminal electric connector, and the electric wiring of the input terminal electric connector and output terminal electric connector of every testboard bay respectively with this testboard bay is connect；The input terminal electric connector of every testboard bay can be electrically connected with the output terminal electric connector plug-in of the output terminal electric connector of measuring signal occurring source or remaining any one testboard bay；The output terminal electric connector of every testboard bay can be electrically connected with the input terminal electric connector plug-in of remaining any one testboard bay.The utility model is convenient for realizing electrical connection between measuring signal occurring source and testboard bay and between multiple testboard bays.
Description
Technical field
The utility model is related to power technology more particularly to power information acquisition terminal detection devices.
Background technology
Fig. 1 and Fig. 2 respectively illustrates the electrical schematic diagram of existing power information acquisition terminal detection device and appearance is shown
It is intended to.It please refers to Fig.1 and Fig. 2, power information acquisition terminal detection device is by 92 groups of measuring signal occurring source 91 and testboard bay
Into tested power information acquisition terminal 8 is arranged on testboard bay 92, and as needed, the quantity of testboard bay 92 is usual
It may be selected one or two.The output signal of measuring signal occurring source 91 mainly has voltage signal, current signal etc., this exterior measuring
It measures signal generating source 91 and also has other circuits such as communication line, control circuit, including most of electricity including voltage circuit
Gas circuit is and is connected to every tested power information acquisition terminal 8, and current signal will be then connected in series with, that is, require handle
After all tested power information acquisition terminals 8 are connected in series, the electrical return of measuring signal occurring source 91 is eventually passed back to.Such as
Fruit have multiple testboard bays 92 be composed in series detection stage body if, just must by the three-phase current of the last one testboard bay 92 into
Line is shorted to by three-phase shorting stub 92f on the three-phase current line of return.In Fig. 1, three to be connected respectively with terminal Ua, Ub and Uc
Bar electric wire is three-phase electricity crimping, with terminal U0Connected electric wire be zero curve, three to be connected respectively with terminal Iai, Ibi and Ici
Electric wire is three-phase current inlet wire, three electric wires being connected respectively with terminal Iao, Ibo and Ico are the three-phase current line of return, with holding
Line, the electric wire with terminal T-phase company are communication line to the electric wire that sub- C is connected in order to control.Due to measuring signal occurring source 91 and testboard
Current signal between frame 92 is high current signal, in order to ensure being reliably connected for signal, it is common practice to using terminals
Sub- connection mode connects between measuring signal occurring source 91 and testboard bay 92 and between adjacent two testboard bays 92
It connects.The terminal block for being connected to the terminal block 911 of measuring signal occurring source 91 with testboard bay 92 is schematically shown in Fig. 2
Connection circuit 93 between 921 and the connection circuit 94 being connected between the terminal block 921 of two adjacent testboard bays 92.
The existing mode of connection has the following disadvantages：It 1st, must be by professional installation personnel to progress field connection peace
Dress, installation period are longer；2nd, wiring connection is dumb, after wiring is completed, if to move or move equipment, needs profession
Personnel show up wiring is dismantled after could move, then rewiring again.This is also resulted in after wiring is completed, it is difficult to
The quantity of used testboard bay is made and is adjusted flexibly, one testboard bay hair of any of which in multiple testboard bays
Complete equipment will be unable to use in a short time during raw failure；4th, current loop end short circuit mode, can not be certainly to be fixedly connected
Dynamic reconstruct.
Invention content
The technical problem to be solved by the utility model is to provide one kind to be convenient in measuring signal occurring source and testboard
The power information acquisition terminal detection device of electrical connection is realized between frame and between multiple testboard bays.
Another technical problem to be solved in the utility model is to provide a kind of power information acquisition terminal detection device,
It can realize the electrical connection between three-phase current inlet wire and the three-phase current line of return automatically when multiple testboard bays are connected.
In order to solve the above technical problems, technical solution adopted in the utility model is：
Power information acquisition terminal detection device including measuring signal occurring source and one or more testboard bay, is surveyed
Amount signal generating source and every testboard bay are respectively provided with electric wiring, wherein, measuring signal occurring source is electrically connected equipped with output terminal
Device is connect, output terminal electric connector is connect with the electric wiring of measuring signal occurring source；Every testboard bay is electrically connected equipped with input terminal
Connect device and output terminal electric connector, the input terminal electric connector and output terminal electric connector of every testboard bay are surveyed respectively with this
The electric wiring connection of test stand frame；The input terminal electric connector of every testboard bay can be with the output terminal of measuring signal occurring source
The output terminal electric connector plug-in electrical connection of electric connector either remaining any one testboard bay；Every testboard bay
Output terminal electric connector can be electrically connected with the input terminal electric connector plug-in of remaining any one testboard bay.
Due to the utility model employ more than technical solution, having the technical effect that for generating is apparent：
1st, between measuring signal occurring source and testboard bay and between multiple testboard bays it is electrically connected by plug-in
It connects device and realizes electrical connection, avoid cumbersome wiring process, enormously simplify the complexity of on-site installation work, reduce
The field erected time；
2nd, when whole device needs mobile, it is only necessary to extract the electric connector of all testboard bays, you can move survey
Signal generating source and testboard bay are measured, electric connector is plugged again again after in place in measuring signal occurring source and testboard bay
Normal work；
3rd, the quantity for the testboard bay being connected in series with can be made and is adjusted flexibly, to the total of the testboard bay that is connected in series with
The no any constraint of number, it is only necessary to consider the driving force of measuring signal occurring source.Testboard bay is also without succession
It is required that the order of testboard bay can be combined arbitrarily.Any one testboard bay if a failure occurs, only need to be by the testboard bay
Electric connector is extracted, and the testboard bay to break down is made to exit work, then the input terminal of testboard bay below is electrically connected
Device is inserted into a testboard bay of front（Or measuring signal occurring source）Output terminal electric connector, you can work on；
4th, in multiple testboard bays being connected in series with, that farthest testboard bay energy of distance measurement signals occurring source
Enough automatic end short connect functions for realizing current loop make current reflux to the current signal return terminal of measuring signal occurring source,
And the three-phase current inlet wire of remaining testboard bay and the three-phase current line of return will not short circuit, allow current to the survey of enough flow directions below
Test stand frame.
Description of the drawings
Fig. 1 shows the electrical schematic diagram of existing power information acquisition terminal detection device.
Fig. 2 shows the appearance diagrams of existing power information acquisition terminal detection device.
Fig. 3 shows the electrical principle of the power information acquisition terminal detection device according to one embodiment of the utility model
Figure.
Fig. 4 is shown to be illustrated according to the appearance of the power information acquisition terminal detection device of one embodiment of the utility model
Figure.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Fig. 3 and Fig. 4 is respectively illustrated according to the power information acquisition terminal detection device of one embodiment of the utility model
Electrical schematic diagram and structure diagram.Fig. 3 and Fig. 4 are please referred to, is acquired eventually according to the power information of one embodiment of the utility model
End detecting device includes measuring signal occurring source 1 and one or more testboard bay 2.
Measuring signal occurring source 1 and every testboard bay 2 are respectively provided with electric wiring, measuring signal occurring source 1 it is electrical
The electric wiring of circuit and every testboard bay 2 includes three-phase electricity crimping, three-phase electricity zero curve, three-phase current inlet wire, three-phase
The electric current line of return, signal wire, control line, control power supply supply line and control power supply line of return etc..
Measuring signal occurring source 1 is equipped with output terminal electric connector 11, output terminal electric connector 11 and measuring signal occurring source 1
Electric wiring connection, i.e., output terminal electric connector 11 respectively with the three-phase electricity crimping of measuring signal occurring source 1, three-phase electricity zero
Line, three-phase current inlet wire, the three-phase current line of return, signal wire, control line, control power supply supply line and control power supply return
The connections such as loop line.
Tested power information acquisition terminal 8 is arranged on testboard bay 2.Every testboard bay 2 is equipped with input terminal electricity
Connector 21 and output terminal electric connector 22, the input terminal electric connector 21 and output terminal electric connector 22 of every testboard bay 2
The electric wiring with this testboard bay 2 is connect respectively, i.e., input terminal electric connector 21 and output terminal electric connector 22 respectively with
The three-phase electricity crimping of this testboard bay 2, three-phase electricity zero curve, three-phase current inlet wire, the three-phase current line of return, signal wire, control
The connections such as line, control power supply supply line and the control power supply line of return.
In figure 3, three electric wires being connected respectively with terminal Ua, Ub and Uc are three-phase electricity crimping, with terminal U0Connected
Electric wire be three-phase electricity zero curve, three electric wires being connected respectively with terminal Iai, Ibi and Ici for three-phase current inlet wire, respectively with end
Three electric wires that sub- Iao, Ibo and Ico are connected are the three-phase current line of return, the electric wire that is connected with terminal C line in order to control, with terminal
The electric wire of T-phase even is communication line, and for the electric wire being connected with terminal N in order to control with the power supply line of return, the electric wire being connected with terminal L is control
System power supply line.
The input terminal electric connector 21 of every testboard bay 2 can be with the output terminal electric connector of measuring signal occurring source 1
22 plug-in of output terminal electric connector of 11 either remaining any one testboard bay 2 is electrically connected；Every testboard bay 2
Output terminal electric connector 22 can realize that plug-in electrically connects with the input terminal electric connector 21 of remaining any one testboard bay 2
It connects.
In the present embodiment, the output terminal electric connector 11 of measuring signal occurring source 1 be socket, the input of testboard bay 2
End electric connector 21 is plug, and the output terminal electric connector 22 of testboard bay 2 is socket.
The control power supply supply line and the control power supply line of return of measuring signal occurring source 1 can connect with a control power supply
It connects, and the input terminal electric connector 21 of the output terminal electric connector 11 of measuring signal occurring source 1, every testboard bay 2 and output
End electric connector 22 is correspondingly respectively equipped with control terminal Ctrl, the control of the input terminal electric connector of every testboard bay 2
Terminal Ctrl and the control power supply supply line of this testboard bay are electrically connected.The meaning of above-mentioned " correspondingly " refers to,
When the input terminal electric connector of testboard bay is electrically connected with the output terminal electric connector plug-in of measuring signal occurring source, survey
The control terminal phase of the control terminal of the input terminal electric connector of test stand frame and the output terminal electric connector of measuring signal occurring source
It connects, is electrically connected in the output terminal electric connector of testboard bay and the input terminal electric connector plug-in of other testboard bays
When, the control terminal of the control terminal of the output terminal electric connector of the testboard bay and the input terminal electric connector of other testboard bays
Son is connected with each other.
Every testboard bay 2 is equipped with switching circuit 20, and switching circuit 20 is connected to three-phase current inlet wire and is returned with three-phase current
Between loop line, and switching circuit 20 has the first control terminal and the second control terminal.First control terminal of switching circuit 20 and test
The control terminal Ctrl connections of the output terminal electric connector of rack 2, the second control terminal and the control power supply of switching circuit 20 return
Loop line connects；Switching circuit 20 when not forming current loop with control power supply in closed state so that three-phase current into
Line is connected with each other with the three-phase current line of return；Switching circuit 20 is cut when forming current loop with control power supply by closed state
Open-circuit condition is shifted to, so that forming open circuit between three-phase current inlet wire and the three-phase current line of return.
Preferably, switching circuit 20 is electromagnetic relay, which includes three normally-closed contacts and for controlling
Make the electromagnetic coil of three normally-closed contact foldings；Three normally-closed contacts are serially connected in three-phase current inlet wire and three-phase current respectively
Between the line of return；The both ends of electromagnetic coil respectively constitute the first control terminal and the second control terminal of switching circuit 20.
In the example of fig. 3, above-mentioned electromagnetic relay employs three-phase ac contactor KM, control power supply 220V
AC power, control power supply supply line and the control power supply line of return are respectively 220V alternating current fire wires and 220V alternating currents zero
Line.Three normally-closed contacts of three-phase ac contactor are serially connected in respectively between three-phase current inlet wire and the three-phase current line of return；Three
One end of the electromagnetic coil of phase A.C. contactor is connect with the control terminal Ctrl of the output terminal electric connector of testboard bay 2, and three
The other end of the electromagnetic coil of phase A.C. contactor and the 220V alternating currents zero curve of testboard bay connect.In other embodiments
In, electromagnetic relay can also use DC relay, and control power supply is DC power supply at this time.
Below in conjunction with Fig. 3 to the worked of the power information acquisition terminal detection device according to one embodiment of the utility model
Journey is briefly described.
When only using a testboard bay 2 and being tested, as long as the input terminal electric connector 21 of testboard bay 2 is direct
It can be worked normally after being connect with 11 plug-in of output terminal electric connector of measuring signal occurring source 1.Due to testboard bay 2
Input terminal electric connector 21 of the output terminal electric connector 22 not with testboard bay 2 below is connect, so the testboard bay 2
Switching circuit 20 does not form the electromagnetic coil no power of current loop, i.e. three-phase ac contactor with control power supply, and three is intersecting
Stream contactor is not attracted, and switching circuit 20 is in closed state, and three-phase current circuit is be connected to three-phase ac contactor normal
On closed contact, so the normally-closed contact that three-phase current inlet wire can pass through three-phase ac contactor is connected to three-phase current return
Line, so as to fulfill three-phase current circuit.
When also to access an other testboard bay 2 again behind previous testboard bay 2, due to a survey below
The control terminal Ctrl of the input terminal electric connector of test stand frame 2 is connected with 220V alternating current fire wires, and current testboard bay 2
The control terminal Ctrl of output terminal electric connector 22 be the electromagnetic coil for being connected to three-phase ac contactor KM again, therefore access
A testboard bay 2 next is exactly actually that switching circuit 20 is made to form current loop with control power supply, then when previous survey
The electromagnetic coil of the three-phase current contactor of test stand frame 2, which is powered, to be attracted, then when the three-phase ac contactor of previous testboard bay 2
The normally-closed contact of KM disconnects, and switching circuit 20 has just been concatenated into latter one survey by the switched on line state of closed state, electric current
Test stand frame 2, and the normally-closed contact of the three-phase current contactor of latter one testboard bay 2 can realize three-phase current circuit.
Above description is the further explanation done with reference to specific embodiment and attached drawing to the utility model.But this
Utility model obviously can be implemented in a variety of other methods different from this description, those skilled in the art can without prejudice to
It promoted, deduced according to actual use situation in the case of the utility model content, therefore, the content of above-mentioned specific embodiment
The protection domain that the utility model determines should not be limited.
Claims (4)
1. power information acquisition terminal detection device, described including measuring signal occurring source and one or more testboard bay
Measuring signal occurring source and every testboard bay are respectively provided with electric wiring, which is characterized in that the measuring signal occurring source is set
There is output terminal electric connector, the output terminal electric connector is connect with the electric wiring of measuring signal occurring source；
Every testboard bay is equipped with input terminal electric connector and output terminal electric connector, the input terminal electrical connection of every testboard bay
The electric wiring of device and output terminal electric connector respectively with this testboard bay is connect；The input terminal electrical connection of every testboard bay
Device can be electrically connected with the output terminal of output terminal electric connector either remaining any one testboard bay of measuring signal occurring source
Connect the electrical connection of device plug-in；The output terminal electric connector of every testboard bay can be defeated with remaining any one testboard bay
Enter to hold electric connector plug-in to be electrically connected.
2. power information acquisition terminal detection device according to claim 1, which is characterized in that the measuring signal occurs
The electric wiring of the electric wiring in source and every testboard bay include three-phase electricity crimping, three-phase electricity zero curve, three-phase current into
Line, the three-phase current line of return, signal wire and control line.
3. power information acquisition terminal detection device according to claim 2, which is characterized in that the measuring signal occurs
The electric wiring of the electric wiring in source and every testboard bay includes control power supply supply line and control power supply returns
Loop line, the control power supply supply line and the control power supply line of return of measuring signal occurring source can be connect with a control power supply；
And the input terminal electric connector and output terminal electric connector of the output terminal electric connector of measuring signal occurring source, every testboard bay
Correspondingly it is respectively equipped with control terminal, control terminal and this testboard of the input terminal electric connector of every testboard bay
The control power supply supply line electrical connection of frame；
Every testboard bay is equipped with switching circuit, and the switching circuit is connected to the three-phase current inlet wire and the three-phase current
Between the line of return, and the switching circuit has the first control terminal and the second control terminal；First control terminal of switching circuit and test
The control terminal connection of the output terminal electric connector of rack, the second control terminal and the control power supply line of return of switching circuit connect
It connects；The switching circuit is in closed state when not forming current loop with the control power supply, so that the three-phase electricity
Line is flowed into be connected with each other with the three-phase current line of return；The switching circuit is forming current loop with the control power supply
When by the switched on line state of closed state so that being formed between the three-phase current inlet wire and the three-phase current line of return
Open circuit.
4. power information acquisition terminal detection device according to claim 3, which is characterized in that the switching circuit is electricity
Magnetic relay, the electromagnetic relay include three normally-closed contacts and the electromagnetic wire for controlling three normally-closed contact foldings
Circle；Three normally-closed contacts are serially connected in respectively between three-phase current inlet wire and the three-phase current line of return；The electromagnetic coil
Both ends respectively constitute the first control terminal and the second control terminal of the switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229209.0U CN207473073U (en) | 2017-09-25 | 2017-09-25 | Power information acquisition terminal detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229209.0U CN207473073U (en) | 2017-09-25 | 2017-09-25 | Power information acquisition terminal detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207473073U true CN207473073U (en) | 2018-06-08 |
Family
ID=62269776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721229209.0U Active CN207473073U (en) | 2017-09-25 | 2017-09-25 | Power information acquisition terminal detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207473073U (en) |
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2017
- 2017-09-25 CN CN201721229209.0U patent/CN207473073U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240314 Address after: No. 501, Gate 4, Building 4, Jindayuan, Shantou Road, Hexi District, Tianjin, 300000 Patentee after: Zhu Hanchen Country or region after: China Address before: 200063 No. 423, Wuning Road, Shanghai, Putuo District Patentee before: SHANGHAI XIETONG TECHNOLOGY Inc. Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: No. 59 Xinhuan South Street, West District, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin, 300450 Patentee after: TIANJIN CURRENCY AIR CONDITIONER EQUIPMENT Co.,Ltd. Country or region after: China Address before: No. 501, Gate 4, Building 4, Jindayuan, Shantou Road, Hexi District, Tianjin, 300000 Patentee before: Zhu Hanchen Country or region before: China |
|
| TR01 | Transfer of patent right |