CN208398927U - A kind of cabinet humiture acquisition system - Google Patents
A kind of cabinet humiture acquisition system Download PDFInfo
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- CN208398927U CN208398927U CN201820863565.6U CN201820863565U CN208398927U CN 208398927 U CN208398927 U CN 208398927U CN 201820863565 U CN201820863565 U CN 201820863565U CN 208398927 U CN208398927 U CN 208398927U
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- cabinet
- current transformer
- humidity sensor
- measured
- temperature humidity
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Abstract
The utility model discloses a kind of cabinet humiture acquisition systems, including Temperature Humidity Sensor, current transformer, acquisition unit, receiving unit and display unit, Temperature Humidity Sensor is set in cabinet to be measured, current transformer is set on the electric power incoming line of the intracorporal heating device of case to be measured, Temperature Humidity Sensor, current transformer and acquisition unit connect, acquisition unit includes data processing module and transmitting module, receiving unit includes receiving processing module and receiving module, transmitting module and the receiving module are wirelessly connected, and display unit is connected with receiving unit.The utility model can carry out the measurement of case to be measured intracorporal temperature and humidity, heating device electric current in the case where not tearing original part open, not taking out stitches, solve operation maintenance personnel large labor intensity, low efficiency, the technical problem that cannot be found the problem in time present in the temperature and humidity of common Outdoor Trusses For Transformer Substation cabinet, the detection of heating device electric current, have the characteristics that structure it is simple, it is high-efficient, wireless communication, real-time measurement.
Description
Technical field
The utility model relates to a kind of cabinet humiture acquisition systems.
Background technique
The cabinets such as transformer station outdoor terminal box, mechanism case are the equipment such as outdoor electrical equipment and indoor observing and controlling, protection, communication
The intermediate link of connection, is generally mounted on by equipment on the spot.When there was dampness in the air, especially in rainy season, outdoor switch terminal box
Interior humidity condensation accumulated water, easily leads to the decline of direct-current secondary circuit insulation against ground resistance, and serious person's insulation resistance drops to zero, thus
Form DC positive power or negative supply ground connection.If causing direct current two points ground fault, DC insurance is caused to fuse, relay fail or
Malfunction, or even damage equipment, seriously threaten the safe operation of power grid.Terminal box dampness makes terminal block screw and connection sheet get rusty,
Make secondary terminals poor contact, so that current transformer terminal fever is even opened a way, cause relay fail or malfunction, cause
Accident.Mutual inductor voltage and switch, temperature signal termination contact it is bad it will cause observing and controlling, protective device be operating abnormally, accidentally send out
Signal causes operations staff's erroneous judgement to make error analysis.Currently, being in cabinet using being extensively also most most efficient method
Anti-condensation dehumidifying heating controller and heating device are installed, by way of being internally heated to equipment, improve in-cabinet temperature,
Reduce cabinet humidity.But due to long-term work, the probability of controller and heating device damage increases with the time limit, and reliability reduces,
Can only frequently be maked an inspection tour by operation maintenance personnel can just note abnormalities, due to device mostly with failure it is unobvious, cause operation maintenance personnel to be worked
Intensity is big, low efficiency, cannot find the problem in time.
Utility model content
The utility model provides a kind of cabinet humiture acquisition system, is able to carry out the intracorporal temperature and humidity of case, heating device
The measurement of electric current solves operation maintenance personnel large labor intensity, low efficiency, the technical problem that cannot be found the problem in time, has knot
The characteristics of structure is simple, high-efficient, wireless communication, real-time measurement.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of cabinet humiture acquisition system, including Temperature Humidity Sensor, current transformer, acquisition unit, receiving unit
And display unit, the Temperature Humidity Sensor are set in cabinet to be measured, the current transformer is set to the cabinet to be measured
On the electric power incoming line of interior heating device, the Temperature Humidity Sensor, current transformer and acquisition unit are connected, and the acquisition is single
Member includes data processing module and transmitting module, and the receiving unit includes receiving processing module and receiving module, the transmitting
Module and the receiving module are wirelessly connected, and the display unit is connected with receiving unit.
Further, the current transformer is open-close type current transformer, can measure line in the case where not taking out stitches
The electric current on road.
Further, the data processing module and transmitting module include pedestal, and the pedestal is permanent magnet, permanent magnet
Pedestal can be adsorbed on the cabinet to be measured, installation and removal are convenient.
Further, the data processing module is connected with transmitting module by conducting wire, and transmitting module can be placed in described
The outside of cabinet to be measured, ensure that communication efficiency.
Further, the Temperature Humidity Sensor, current transformer and acquisition unit are multiple, and number is identical;One
The Temperature Humidity Sensor, a current transformer and an acquisition unit are one group, are correspondingly arranged in an institute
It states on cabinet to be measured, Temperature Humidity Sensor, current transformer described in multiple groups and acquisition unit are correspondingly arranged in multiple described to be measured
On cabinet.It is intracorporal warm and humid that multiple groups Temperature Humidity Sensor, current transformer and acquisition unit are able to detect multiple casees to be measured
Degree and heating device electric current, and receiving unit is sent to by acquisition unit, realize many-one communication and processing.
The beneficial effects of the utility model are: the utility model provides a kind of cabinet humiture acquisition system, Neng Gou
The measurement that case intracorporal temperature and humidity, heating device electric current are carried out in the case where not tearing original part open, not taking out stitches, solves common power transformation
Operation maintenance personnel large labor intensity, low efficiency, Bu Nengji present in the temperature and humidity for outdoor case of standing, the detection of heating device electric current
When the technical problem found the problem, have the characteristics that structure is simple, high-efficient, wireless communication, real-time measurement.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described.
Fig. 1 is a kind of implementation diagram of embodiment of the utility model.
Wherein, label as shown in the figure are as follows: 1: Temperature Humidity Sensor, 2: current transformer, 3: acquisition unit, 4: receiving single
Member, 5: display unit, 6: cabinet to be measured, 7: heating controller, 8: heating device, 31: data processing module, 32: transmitting module,
41: receiving processing module, 42: receiving module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is please referred to, the preferred one embodiment of the utility model provides a kind of cabinet humiture acquisition system, main to wrap
Include Temperature Humidity Sensor 1, current transformer 2, acquisition unit 3, receiving unit 4 and display unit 5.Preferably, temperature and humidity sensing
Device 1 is DHT95 Temperature Humidity Sensor, it is pin type Temperature Humidity Sensor, measurement range: humidity: 0~100%RH, temperature :-
40~123.8 DEG C, precision: humidity: ± 2%, temperature: ± 0.3 DEG C.Current transformer 2 is CTSA010 open-close type current transformer,
Range is 0 ~ 10A, error 5%.Temperature Humidity Sensor 1 is set in cabinet 6 to be measured, and current transformer 2 is set to cabinet to be measured
On the electric power incoming line of heating device 8 in 6, Temperature Humidity Sensor 1, current transformer 2 are connect with acquisition unit 3.Acquisition unit 3
Including data processing module 31 and transmitting module 32, data processing module 31 and transmitting module 32 are respectively arranged with pedestal, pedestal
For permanent magnet, can be adsorbed on cabinet 6 to be measured, data processing module 31 is connected with transmitting module 32 by conducting wire, and conducting wire is resistance to
Bending has certain flexibility, and transmitting module 31 is placed on outside cabinet, ensure that communication efficiency, data processing module 31
It is placed in cabinet.Receiving unit 4 includes receiving processing module 41 and receiving module 42, it is preferred that 31 He of data processing module
Receiving processing module 41 is STC89C52RC single-chip microcontroller, and transmitting module 32 and receiving module 42 are NRF24L01 wireless receiving and dispatching
Device, NRF24L01 wireless transceiver have the characteristics that it is at low cost, versatile, be able to achieve many-one wireless telecommunications, therefore, transmitting
Module 32 and receiving module 42 can carry out many-one wireless communication.Display unit 5 and receiving unit 4 are arranged outside cabinet 6 to be measured,
Display unit 5 and receiving unit 4 connect, and display unit 5 being capable of real-time display measurement result.In some preferred embodiments,
In order to realize to the acquisition of the data of multiple cabinets 6 to be measured, Temperature Humidity Sensor 1, current transformer 2 and acquisition unit 3 be it is multiple,
And number is identical, 1, current transformer 2 of a Temperature Humidity Sensor and an acquisition unit 3 are one group, are correspondingly arranged in
On one cabinet 6 to be measured, multiple groups Temperature Humidity Sensor 1, current transformer 2 and acquisition unit 3 are correspondingly arranged in multiple to measuring tank
On body 6.At this point, NRF24L01 wireless transceiver, NRF24L01 wireless transceiver may be selected in the transmitting module 32 in acquisition unit 3
Many-one wireless telecommunications are able to achieve, therefore, multiple transmitting modules 32 can carry out many-one wireless telecommunications with a receiving module 42,
Realized by a receiving unit 4 real time data to multiple acquisition units 3 received, compare processing etc. operation.
The following are a specific embodiment and embodiments thereof, in use, by Temperature Humidity Sensor 1, current transformer 2
It is connect with acquisition unit 3, Temperature Humidity Sensor 1 is mounted near heating controller 7,2 open mouth tongs of current transformer enter heating
The electric power incoming line of device 8, transmitting module 32 are placed on outside cabinet 6 to be measured, and data processing module 31 is placed in cabinet 6 to be measured
Portion, data processing module 31 are connected with transmitting module 32 by conducting wire, are closed the chamber door of cabinet 6 to be measured, are passed through data processing mould
Block 31 passes the temperature and humidity that Temperature Humidity Sensor 1 measures and the electric current that current transformer 2 measures by transmitting module 32
Defeated to arrive receiving module 42, receiving processing module 41 is come out after handling data by 5 real-time display of display unit;In high humidity
In the case of degree, whether have electric current in conjunction with heating device 8, can determine whether heating controller 7 whether exception or heating device 8 it is whether different
Often.When the Temperature Humidity Sensor 1, current transformer 2 and acquisition unit 3 of multiple groups is arranged, transmitting module 32 and receiving module 42 are adopted
With NRF24L01 wireless transceiver, it is able to achieve a receiving module 42 while is communicated with multiple transmitting modules 32, it can
Realizing simultaneously can the same news commentary by the comparison to each 6 inside temperature and humidity of cabinet to be measured to the progress data acquisition of multiple cabinets
Whether the case where estimating each 6 inside temperature and humidity of cabinet to be measured has electric current in conjunction with heating device 8, can determine whether in each cabinet to be measured 6
Heating controller 7 whether exception or heating device 8 abnormal.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (5)
1. a kind of cabinet humiture acquisition system, it is characterised in that: including Temperature Humidity Sensor (1), current transformer (2), adopt
Collection unit (3), receiving unit (4) and display unit (5), the Temperature Humidity Sensor (1) are set in cabinet to be measured, the electricity
Current transformer (2) is set on the electric power incoming line of the intracorporal heating device of case to be measured, and the Temperature Humidity Sensor (1), electric current are mutual
Sensor (2) is connect with acquisition unit (3), and the acquisition unit (3) includes data processing module (31) and transmitting module (32), institute
Stating receiving unit (4) includes receiving processing module (41) and receiving module (42), the transmitting module (32) and the reception mould
Block (42) is wirelessly connected, the display unit (5) and receiving unit (4) connection.
2. a kind of cabinet humiture acquisition system according to claim 1, it is characterised in that: the current transformer (2)
For open-close type current transformer.
3. a kind of cabinet humiture acquisition system according to claim 1, it is characterised in that: the data processing module
(31) and transmitting module (32) includes pedestal, and the pedestal is permanent magnet.
4. a kind of cabinet humiture acquisition system according to claim 1, it is characterised in that: the data processing module
(31) it is connected with transmitting module (32) by conducting wire.
5. a kind of cabinet humiture acquisition system according to claim 1, it is characterised in that: the Temperature Humidity Sensor
(1), current transformer (2) and acquisition unit (3) are multiple, and number is identical;One Temperature Humidity Sensor (1), one
The current transformer (2) and an acquisition unit (3) are one group, are correspondingly arranged on a cabinet to be measured, multiple groups institute
Temperature Humidity Sensor (1), current transformer (2) and acquisition unit (3) is stated to be correspondingly arranged on multiple cabinets to be measured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820863565.6U CN208398927U (en) | 2018-06-05 | 2018-06-05 | A kind of cabinet humiture acquisition system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820863565.6U CN208398927U (en) | 2018-06-05 | 2018-06-05 | A kind of cabinet humiture acquisition system |
Publications (1)
Publication Number | Publication Date |
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CN208398927U true CN208398927U (en) | 2019-01-18 |
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CN201820863565.6U Active CN208398927U (en) | 2018-06-05 | 2018-06-05 | A kind of cabinet humiture acquisition system |
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CN (1) | CN208398927U (en) |
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2018
- 2018-06-05 CN CN201820863565.6U patent/CN208398927U/en active Active
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