CN208255324U - Low-voltage cabinet Collection and detection device - Google Patents
Low-voltage cabinet Collection and detection device Download PDFInfo
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- CN208255324U CN208255324U CN201820746548.4U CN201820746548U CN208255324U CN 208255324 U CN208255324 U CN 208255324U CN 201820746548 U CN201820746548 U CN 201820746548U CN 208255324 U CN208255324 U CN 208255324U
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- voltage cabinet
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Abstract
The utility model provides low-voltage cabinet Collection and detection device, acquisition device includes Collection module and N Acquisition Circuit corresponding with each low-voltage cabinet, 1≤n≤N, nth Acquisition Circuit includes the coil of concatenated n-th parallel units and the n-th relay, and the n-th parallel units include each fault branch in parallel of corresponding low-voltage cabinet；Then the contact shunt of N number of relay is connected with the coil of an intermediate relay；The contact of intermediate relay is connect with Collection module.The utility model has the advantages of simple structure, can easily detect it is that failure has occurred in which fault branch of which low-voltage cabinet, and only need to be arranged a Collection module, workload is small, reduce production cost, the time for shortening site operation improves the practicability in low-voltage cabinet Collection technology；The quantity of low-voltage cabinet fault-signal branch can effectively reduce the dosage of control cable with infinite expanding.
Description
Technical field
The utility model belongs to distribution control technology field, in particular to low-voltage cabinet Collection and detection device.
Background technique
In the application of electric system, single low-voltage power supply system is usually made of more low-voltage cabinets, and separate unit low-voltage cabinet
It is made of again multiple circuits, then the just growth proportional to the number of units of low-voltage cabinet of the feeder number of single low-voltage power supply system.It is low
It presses cabinet to be suitable for substation, power plant, operating condition enterprise etc., is used as the conversion of the electric energy of illumination and distribution and control.The product
Strong with pitch capability, dynamic thermal stability is good, and electrical arrangement is flexible, and combination is convenient, serial strong, practical, structure novel
The features such as.Existing low-voltage cabinet is usually used staff and directly carries out operation control to switch button, can not achieve calculating
The machine remote control management, the energized state of panel switches, warning message all can not be in the hands for being passed to staff at the first time
In, prevent delaying optimal accident from timely finding and solving when fault occurs and solving the time, cause a large amount of
Property loss.
With the development of technology, there is the monitoring system of intelligence, specific way is: by the fault-signal in each circuit
Individually draw control cable to PLC monitoring system, the substantial amounts for not only controlling cable in this way are many and diverse, and the quantity of PLC module
It is also required to accordingly increase, the workload of site operation can also increase accordingly, and increase cost.
Utility model content
The purpose of this utility model is to provide low-voltage cabinet Collection and detection devices, for solving the prior art
Structure is complicated for mesolow cabinet trouble signal pickup device, heavy workload and problem at high cost.
To achieve the above object, the utility model provides a kind of low-voltage cabinet trouble signal pickup device, including failure letter
Number acquisition module and N Acquisition Circuit corresponding with each low-voltage cabinet, 1≤n≤N, nth Acquisition Circuit include concatenated n-th simultaneously
The coil of receipts or other documents in duplicate member and the n-th relay, the n-th parallel units include each fault branch contact of corresponding low-voltage cabinet, each failure branch
Road contact is connected in parallel；Then the contact shunt of N number of relay is connected with the coil of an intermediate relay；The centre after
The contact of electric appliance is connect with the Collection module.
Further, the Collection module is PLC.
The utility model additionally provides a kind of low-voltage cabinet fault-signal detection device, including Collection module and with
The corresponding N Acquisition Circuit of each low-voltage cabinet, 1≤n≤N, nth Acquisition Circuit includes concatenated n-th parallel units and the n-th relay
The coil of device, the n-th parallel units include each fault branch contact of corresponding low-voltage cabinet, and each fault branch contact is connected in parallel；N
Then the contact shunt of a relay is connected with the coil of an intermediate relay；The contact of the intermediate relay with it is described
The connection of Collection module；The corresponding indicating circuit of each Acquisition Circuit, the Collection module and each finger
Show circuit connection, the n-th indicating circuit includes contact and the n-th indicator light of concatenated n-th relay.
That which fault branch of low-voltage cabinet has occurred failure to more be clearly seen that, each Acquisition Circuit each therefore
Barrier branch road is also correspondingly arranged on auxiliary contact, and the auxiliary contact is connected with corresponding branch indicator light, the fault-signal
Acquisition module connects each branch indicator light.
Further, the Collection module is PLC.
The beneficial effects of the utility model are:
The utility model includes Collection module and N Acquisition Circuit corresponding with each low-voltage cabinet, 1≤n≤N,
Nth Acquisition Circuit includes the coil of concatenated n-th parallel units and the n-th relay, and the n-th parallel units include corresponding low pressure
Each fault branch contact of cabinet, each fault branch contact are connected in parallel；The contact shunt of N number of relay, then with a centre
The coil of relay is connected；The contact of intermediate relay is connect with Collection module.The utility model has the advantages of simple structure,
Can easily detect it is that failure has occurred in which fault branch of which low-voltage cabinet, and only needs to be arranged a failure
Signal acquisition module, workload is small, reduces production cost, shortens the time of site operation, improves in low-voltage cabinet failure
The practicability of Signal Collection Technology；The quantity of the low-voltage cabinet fault-signal branch of the utility model can effectively be dropped with infinite expanding
The dosage of low control cable.
Detailed description of the invention
Fig. 1 is N platform low-voltage cabinet electrical fault signal acquisition device schematic diagram；
Fig. 2 is all low-voltage cabinet electrical fault signal acquisition device schematic diagrames.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawing:
The utility model provides a kind of low-voltage cabinet fault-signal detection device, and low-voltage cabinet fault-signal detection device includes
Collection module and N Acquisition Circuit corresponding with each low-voltage cabinet, 1≤n≤N, nth Acquisition Circuit include concatenated
The coil of n-th parallel units and the n-th relay, the n-th parallel units include each fault branch contact of corresponding low-voltage cabinet, each event
Barrier branch contact is connected in parallel；Then the contact shunt of N number of relay is connected with the coil of an intermediate relay；Centre after
The contact of electric appliance is connect with Collection module.The corresponding indicating circuit of each Acquisition Circuit, Collection mould
Block is connect with each indicating circuit, and the n-th indicating circuit includes contact and the n-th indicator light of concatenated n-th relay.
Further, auxiliary contact, auxiliary contact and phase are also correspondingly arranged on each fault branch of each Acquisition Circuit
The branch indicator light series connection answered, Collection module connect each branch indicator light.
String is equipped with failure contact in each fault branch of each low-voltage cabinet, and all fault branch contacts of each low-voltage cabinet are simultaneously
Connection connection, fault branch contact are connected in parallel the relay coil in the first tie point to be formed low-voltage cabinet corresponding with being arranged in
Connection, the corresponding relay contact of each relay coil are connected in parallel, and relay contact is connected in parallel the second tie point to be formed
It is connect with intermediate relay coil, the corresponding intermediate relay contact of intermediate relay coil and Collection module connect
It connects；Further include having the indicator light whether disconnected for indicating corresponding relay, is judged as corresponding low pressure when indicator light is bright
Cabinet breaks down.
Specifically, as depicted in figs. 1 and 2, low-voltage cabinet trouble signal pickup device includes Collection module and sets
The fault branch in each low-voltage cabinet is set, further includes the first relay, the second relay to (N+1) relay, the present embodiment
N=9, the switchgear number of units of the present embodiment is 9), the coil of all relays is arranged between firewire L and zero curve N, constitutes
Separate unit low-voltage cabinet fault-signal feed circuit, the ups power in the low-voltage cabinet of firewire and zero curve from this column switchgear head end will
The string respectively of First low-voltage cabinet is connected in parallel with each other equipped with the fault-signal branch of fault branch contact SD, be connected in parallel a little and
The coil of first relay 1ZJ connects, and so on, the fault-signal branch of N platform low-voltage cabinet tie point parallel with one another with
The coil of n-th relay NZJ connects, and then connects the contact shunt of the contact of the first relay to n-th relay, and
Connection tie point is connect with intermediate relay coil, and intermediate relay coil is the coil of relay (N+1) ZJ in Fig. 2, relay
The contact of device (N+1) ZJ is connect with Collection module.The Collection module of the present embodiment is PLC.
It is given one example below to illustrate, when first fault-signal branch of First low-voltage cabinet breaks down, therefore
Hinder contact 11SD closure, further, the coil electrification of the first relay 1ZJ, makes the contact of the first relay 1ZJ in low-voltage cabinet
Closure, thus again charge the coil of intermediate relay (N+1) ZJ, further, the contact closure of relay (N+1) ZJ, because
This, PLC has collected the fault-signal of First low-voltage cabinet.
In order to further judge that fault-signal has occurred in which switchgear, failure backward reasoning is carried out, PLC issues alarm
Signal, live operator on duty can determine whether the faulty generation of this column switchgear, then open the N cabinet door of this column low-voltage cabinet, work as hair
When some existing relay-indicating light is lighted, and then reduce fault coverage, lockable this TV station switchgear, then from this TV station switchgear
Front check the indicator light of each fault branch, (auxiliary contact of the fault branch when a certain fault branch indicator light is bright
Closure, corresponding branch indicator light are lighted), it can determine whether that this fault branch breaks down.
Specific embodiment is presented above, but the utility model is not limited to embodiment described above.This
The basic ideas of utility model are above-mentioned basic scheme, for those of ordinary skill in the art, according to the present utility model
Introduction, the model, formula, parameter for designing various modifications do not need to spend creative work.The utility model is not being departed from
Principle and spirit in the case where the guarantor of the utility model is still fallen within to variation, modification, replacement and the deformation that embodiment carries out
It protects in range.
Claims (5)
1. a kind of low-voltage cabinet trouble signal pickup device, which is characterized in that including Collection module and with each low-voltage cabinet
Corresponding N Acquisition Circuit, 1≤n≤N, nth Acquisition Circuit include the line of concatenated n-th parallel units and the n-th relay
Circle, the n-th parallel units include each fault branch contact of corresponding low-voltage cabinet, and each fault branch contact is connected in parallel；N number of relay
Then the contact shunt of device is connected with the coil of an intermediate relay；The contact of the intermediate relay and the failure are believed
The connection of number acquisition module.
2. low-voltage cabinet trouble signal pickup device according to claim 1, which is characterized in that the Collection mould
Block is PLC.
3. a kind of low-voltage cabinet fault-signal detection device, which is characterized in that including Collection module and with each low-voltage cabinet
Corresponding N Acquisition Circuit, 1≤n≤N, nth Acquisition Circuit include the line of concatenated n-th parallel units and the n-th relay
Circle, the n-th parallel units include each fault branch contact of corresponding low-voltage cabinet, and each fault branch contact is connected in parallel；N number of relay
Then the contact shunt of device is connected with the coil of an intermediate relay；The contact of the intermediate relay and the failure are believed
The connection of number acquisition module；The corresponding indicating circuit of each Acquisition Circuit, the Collection module and each indicating circuit
Connection, the n-th indicating circuit include contact and the n-th indicator light of concatenated n-th relay.
4. low-voltage cabinet fault-signal detection device according to claim 3, which is characterized in that each event of each Acquisition Circuit
Barrier branch road is also correspondingly arranged on auxiliary contact, and the auxiliary contact is connected with corresponding branch indicator light, the fault-signal
Acquisition module connects each branch indicator light.
5. low-voltage cabinet fault-signal detection device according to claim 3 or 4, which is characterized in that the fault-signal is adopted
Integrate module as PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746548.4U CN208255324U (en) | 2018-05-18 | 2018-05-18 | Low-voltage cabinet Collection and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820746548.4U CN208255324U (en) | 2018-05-18 | 2018-05-18 | Low-voltage cabinet Collection and detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255324U true CN208255324U (en) | 2018-12-18 |
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ID=66480664
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820746548.4U Active CN208255324U (en) | 2018-05-18 | 2018-05-18 | Low-voltage cabinet Collection and detection device |
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| Country | Link |
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| CN (1) | CN208255324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508306A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of low-voltage cabinet Collection and detection device |
-
2018
- 2018-05-18 CN CN201820746548.4U patent/CN208255324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508306A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of low-voltage cabinet Collection and detection device |
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