CN208835473U - A kind of wireless temperature measuring device for switch cabinet - Google Patents
A kind of wireless temperature measuring device for switch cabinet Download PDFInfo
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- CN208835473U CN208835473U CN201821269513.2U CN201821269513U CN208835473U CN 208835473 U CN208835473 U CN 208835473U CN 201821269513 U CN201821269513 U CN 201821269513U CN 208835473 U CN208835473 U CN 208835473U
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- wireless temperature
- measuring device
- temperature measuring
- contact
- control panel
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Abstract
The utility model relates to a kind of wireless temperature measuring device for switch cabinet, including cabinet body, measuring junction, circuit breaker contact point, control panel, wireless temperature measuring device and wireless temperature-measuring sensor, cabinet body outer wall side is connected with control panel, control panel inner wall is equipped with wireless temperature measuring device compatible with control panel, wireless temperature measuring device side is connected with the measuring junction being placed on cabinet body inner wall far from control panel one end, wireless temperature-measuring sensor is fixedly installed at the top of measuring junction, wireless temperature-measuring sensor side is connected with circuit breaker contact point, it is placed in outside circuit breaker contact point on breaker skeleton, the front surface of wireless temperature measuring device is connected with display and the regulation button positioned at display bottom, host inside wireless temperature measuring device is connected with wireless temperature-measuring sensor by embedded bulge loop.The utility model has the advantages that temperature measurement accuracy effectively can be improved by temperature difference measuring circuit, it can be compatible with two kinds of thermometrys of wireless temperature measurement and infrared measurement of temperature simultaneously.
Description
Technical field
The utility model relates to temperature measuring equipment technical fields, and in particular to a kind of wireless temperature measuring device for switch cabinet.
Background technique
Wireless temperature measuring device for switch cabinet is a for high, medium and low voltage electric system (110KV, 6-35KV and 0.4KV)
It has higher requirements the intelligent device of electric terminal equipment with to temperature.It is the online temperature measurement of collection, data acquisition, data point
Analysis and control function are in the modernization high-tech product of one.Its all technical can meet international standards, electric terminal
The major function of temperature measuring equipment is online acquisition contact temperature (number of contacts can be selected).The device provides RS485 communication interface,
Convenient for networking application, it can be achieved that fit applications with field computer monitoring system.
Since the circuit structure and system of inside switch cabinet are complex, the temperature of inside switch cabinet needs to carry out stringent
Measurement and control influence whether the normal work of inside switch cabinet, existing switch when temperature is not in reasonable range of balance
Cabinet temperature measuring equipment effectively can not effectively measure in-cabinet temperature, while can not be carried out by the temperature difference inside and outside cabinet
High-precision measurement is unfavorable for the use of device.
Utility model content
The utility model aim is to provide a kind of wireless temperature measuring device for switch cabinet, provides a kind of measurement accuracy height and control effect
The good wireless temperature measuring device for switch cabinet of fruit.
In order to achieve the goal above, the technical solution adopted in the utility model are as follows: a kind of wireless temperature measuring device for switch cabinet,
It is characterized in that, including cabinet body, measuring junction, circuit breaker contact point, control panel, wireless temperature measuring device and wireless temperature-measuring sensor,
Cabinet body outer wall side is connected with the control panel, and the control panel inner wall, which is equipped with, is adapted institute with the control panel
The wireless temperature measuring device stated, the wireless temperature measuring device side are connected with far from described control panel one end and are placed in the cabinet body
The measuring junction on wall, the measuring junction top are fixedly installed with the wireless temperature-measuring sensor, the wireless temperature measurement
Sensor side is connected with the circuit breaker contact point, is placed on breaker skeleton outside the circuit breaker contact point, the wireless survey
The front surface of warm device is connected with display and the regulation button positioned at the display bottom, in the wireless temperature measuring device
The host in portion is connected with the wireless temperature-measuring sensor by embedded bulge loop.
Further, circuit terminal inside the wireless temperature measuring device includes temperature sensor interface, communication
End, antenna, warning output point and working power AC/DC220V, the communication terminal incoming end are connected separately with the first contact and
Two point, the warning output point pick out end while being connected with third contact to the 6th contact, the working power AC/DC220V
It is connected with the 11st contact and the tenth two point simultaneously and is connected separately with zero curve and firewire, the temperature sensor interface access
It holds while being connected with the 13rd contact to the 24th contact.
Further, ring type flame-resistant insulation bakelite is used outside the wireless temperature-measuring sensor.
Further, the wireless temperature measuring device side is connected with disconnecting switch on the embedded bulge loop.
Further, the cabinet body side is connected with the window through the interior of the cabinet.
The utility model has the technical effect that
1, advanced High performance industrial grade microprocessor, data processing and information storage capability are strong, high reliablity, operation speed
Degree is fast.
2, there is accurate advanced thermometry, can be required to configure corresponding thermometric scheme according to Different field；
3, it can be compatible with two kinds of thermometrys of wireless temperature measurement and infrared measurement of temperature simultaneously.
4, multiple sensors type may be selected, and can select corresponding temperature transducer according to site requirement.
5, it may be programmed display, 6 tunnel of temperature number of contacts, 9 tunnels are changeable, and conventional is, unconventional number of contacts order please be said at 6 points
It is bright.
6, red and green color liquid crystal display, specialized thermometric display interface, display content is clear, visual angle is wide.
7, humanized key and menu design, meet field adjustable feature, convenient for operation.
8, online temperature real-time measurement, measurement accuracy height, strong real-time.
9, using advanced memory technology, setup parameter remains to save after realizing power down.
10, using self-locking panel type installing mechanism, wiring is simple, dismounts very convenient.
11, device low-profile, the space occupied is small, the bore size of outfit standard, strong applicability.
12, there is communication can inquire 12 overtemperature alarm event recording functions, panel can inquire nearest 9 overtemperature alarm things
Part writing function, including specific certain contact alarm temperature, time of origin, convenient for investigation in time；
13, there is communication function: using RS485 communication interface, MODBUS-RTU agreement, it can be by metrical information, relay
The parameters such as output state, high temperature alarm event record upload background monitoring system, realize online data a distant place centralized management and
Monitoring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model wireless temperature measuring device for switch cabinet；
Fig. 2 is the schematic diagram of the utility model switchgear side-looking direction；
Fig. 3 is the front view of the utility model wireless temperature measuring device；
Fig. 4 is the schematic diagram of the side-looking direction of the utility model wireless temperature measuring device；
Fig. 5 is the terminals subgraph inside the utility model wireless temperature measuring device.
Appended drawing reference: 1- cabinet body；2- measuring junction；3- circuit breaker contact point；4- control panel；5- wireless temperature measuring device；6-
Wireless temperature-measuring sensor；7- breaker skeleton；8- display；9- regulation button；The embedded bulge loop of 10-；11- temperature sensor connects
Mouthful；12- communication terminal；13- antenna；14- warning output point；15- working power AC/DC220V；16- disconnecting switch；17- perspective
Window.
Specific embodiment
Referring to attached drawing 1-5, a kind of wireless temperature measuring device for switch cabinet, including cabinet body 1, measuring junction 2, circuit breaker contact point 3, control
Panel 4, wireless temperature measuring device 5 and wireless temperature-measuring sensor 6 processed, the 1 outer wall side of cabinet body are connected with the control panel 4,
4 inner wall of control panel is equipped with and is adapted the wireless temperature measuring device 5 with the control panel 4, the wireless temperature measurement dress
It sets 5 sides and is connected with the measuring junction 2 described in being placed on 1 inner wall of cabinet body, the thermometric far from described 4 one end of control panel
The wireless temperature-measuring sensor 6 is fixedly installed at the top of contact 2,6 side of wireless temperature-measuring sensor is connected with the open circuit
Device contact 3 is placed on breaker skeleton 7 outside the circuit breaker contact point 3, and the front surface of the wireless temperature measuring device 5 is connected with
Display 8 and regulation button 9 positioned at 8 bottom of display, the host inside the wireless temperature measuring device 5 pass through insertion
Formula bulge loop 10 is connected with the wireless temperature-measuring sensor 6.
Preferably, circuit terminal inside the wireless temperature measuring device 5 includes temperature sensor interface 11, leads to
News end 12, antenna 13, warning output point 14 and working power AC/DC220V15,12 incoming end of communication terminal are connected separately with
First contact and the second contact, the warning output point 14 pick out end while being connected with third contact to the 6th contact, the work
Make power supply AC/DC220V15 while being connected with the 11st contact and the tenth two point and being connected separately with zero curve and firewire, it is described
11 incoming end of temperature sensor interface is connected with the 13rd contact to the 24th contact, the temperature sensor interface 11 simultaneously
The antenna 13 that is connected with contact is equipped between the communication terminal 12.
Preferably, ring type flame-resistant insulation bakelite is used outside the wireless temperature-measuring sensor 6.
Preferably, 5 side of wireless temperature measuring device is connected with disconnecting switch 16 on the embedded bulge loop 10.
Preferably, 1 side of cabinet body is connected with the window 17 inside the cabinet body 1.
5 internal wiring terminal of wireless temperature measuring device use serial communication, 8 data bit, 1 start bit, 1 stop position,
No parity position.
Uplink and downlink order is made of address code, function code, data field and CRC-16 check code.
Using high byte in preceding, low byte in rear, high-word in the posterior principle of preceding, low word (except check code), frame
It is the basic unit for transmitting information, host and slave use identical frame format in MODBUS agreement.
Frame is with the dead time of at least 3.5 bytes, equally with the dead time marker frames of at least 3.5 bytes
Terminate.Entire frame must be as continuous stream transmission, if frame has more than the dead time of 1.5 bytes, slave before completing
It will restart the reception of a new frame.RTU frame format is as follows
Address code is used to identify by which slave and host communication, and each slave has unique address code, and host is sent
Address code show the slave addresses that will be sent to, the address code that slave is sent then shows the slave addresses of loopback.User can make
Address is 1~247, and other addresses retain
Function code indicates which kind of function slave will execute.Following table list the function code that instrument is supported and its definition and
Concrete operations
Data field is different and different with function code, these data can be numerical value, reference address etc..Such as: function code 03H
Instrument is told to read the numerical value of register, then data field must be comprising that will read the initial address of register and read length
Whether data of the check code for host or slave judgement to receive malfunction, and keep system communication more reliable.
MODBUS-RTU uses CRC-16 (16 cyclic redundancy check code) method of calibration, includes 16 binary systems.The school CRC
It tests code to be calculated by transmitting terminal, is placed in the tail portion for sending information.The check code of the information received is recalculated in receiving end, and with
The check code received compares, if the two is not consistent, shows communication error
It, will be to host loopback message, the highest order of function code when instrument detects the mistake other than check code malfunctions
It is set to 1, i.e., it is to add 128 on the basis of the function code that host is sent that slave, which is sent back to the function code of host,.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (5)
1. a kind of wireless temperature measuring device for switch cabinet, which is characterized in that including cabinet body (1), measuring junction (2), circuit breaker contact point
(3), control panel (4), wireless temperature measuring device (5) and wireless temperature-measuring sensor (6), cabinet body (1) the outer wall side are connected with
The control panel (4), control panel (4) inner wall, which is equipped with, is adapted the wireless temperature measurement with the control panel (4)
Device (5), wireless temperature measuring device (5) side is connected with far from the control panel (4) one end to be placed in the cabinet body (1)
The measuring junction (2) on wall, measuring junction (2) top is fixedly installed with the wireless temperature-measuring sensor (6), described
Wireless temperature-measuring sensor (6) side is connected with the circuit breaker contact point (3), is placed in breaker outside the circuit breaker contact point (3)
On skeleton (7), the front surface of the wireless temperature measuring device (5) is connected with display (8) and is located at the display (8) bottom
Regulation button (9), the internal host of the wireless temperature measuring device (5) is connected with the wireless survey by embedded bulge loop (10)
Temperature sensor (6).
2. a kind of wireless temperature measuring device for switch cabinet according to claim 1, which is characterized in that the wireless temperature measuring device
(5) internal circuit terminal includes temperature sensor interface (11), communication terminal (12), antenna (13), warning output point
(14) and working power AC/DC220V (15), communication terminal (12) incoming end are connected separately with the first contact and the second contact,
The warning output point (14) picks out end while being connected with third contact to the 6th contact, the working power AC/DC220V
(15) the 11st contact and the tenth two point are connected with and is connected separately with zero curve and firewire simultaneously, the temperature sensor interface
(11) incoming end is connected with the 13rd contact to the 24th contact, the temperature sensor interface (11) and the communication simultaneously
The antenna (13) that is connected with contact is equipped between end (12).
3. a kind of wireless temperature measuring device for switch cabinet according to claim 1, which is characterized in that the wireless temperature-measuring sensor
(6) external to use ring type flame-resistant insulation bakelite.
4. a kind of wireless temperature measuring device for switch cabinet according to claim 1, which is characterized in that the wireless temperature measuring device
(5) side is connected with disconnecting switch (16) on the embedded bulge loop (10).
5. a kind of wireless temperature measuring device for switch cabinet according to claim 3, which is characterized in that cabinet body (1) side connects
It is connected to the window (17) internal through the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269513.2U CN208835473U (en) | 2018-08-08 | 2018-08-08 | A kind of wireless temperature measuring device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269513.2U CN208835473U (en) | 2018-08-08 | 2018-08-08 | A kind of wireless temperature measuring device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208835473U true CN208835473U (en) | 2019-05-07 |
Family
ID=66308632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821269513.2U Expired - Fee Related CN208835473U (en) | 2018-08-08 | 2018-08-08 | A kind of wireless temperature measuring device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208835473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363418A (en) * | 2019-07-23 | 2021-02-12 | 西安和其光电科技股份有限公司 | Fluorescent optical fiber temperature controller and temperature control method thereof |
-
2018
- 2018-08-08 CN CN201821269513.2U patent/CN208835473U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363418A (en) * | 2019-07-23 | 2021-02-12 | 西安和其光电科技股份有限公司 | Fluorescent optical fiber temperature controller and temperature control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20200808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |