CN209878914U - Passive short circuit grounding fault indicator with temperature measuring function - Google Patents
Passive short circuit grounding fault indicator with temperature measuring function Download PDFInfo
- Publication number
- CN209878914U CN209878914U CN201920054638.1U CN201920054638U CN209878914U CN 209878914 U CN209878914 U CN 209878914U CN 201920054638 U CN201920054638 U CN 201920054638U CN 209878914 U CN209878914 U CN 209878914U
- Authority
- CN
- China
- Prior art keywords
- unit
- passive
- temperature
- short circuit
- short
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Locating Faults (AREA)
Abstract
The utility model discloses a passive short circuit grounding fault indicator who takes temperature measurement function has solved present short circuit grounding fault indicator and cable head temperature measuring device function singleness, needs frequently to change battery or external power supply in the use, far can not satisfy distribution network system's development needs, so current urgent need improve the research and development and adopt an economy, multi-functional, accord with the real-time supervision device that distribution network system development needs, for this the utility model provides a can real-time supervision short circuit and single-phase ground fault, a real-time supervision device of cable terminal department temperature. This device includes 3 integrative fault sensor of passive short circuit temperature measurement, 1 passive earth fault sensor, 1 passive display, transmits trouble and temperature data information through optic fibre between the sensor and the display the two, has solved high low pressure physics and has kept apart the problem, utilizes optic fibre transmission energy simultaneously, supplies power for the display.
Description
Technical Field
The utility model relates to a can install on looped netowrk switch, cable branch case, the case in distribution network system becomes for instruct the short circuit and the single-phase earth fault position of corresponding cable district section and monitor cable terminal department temperature, in time discover the trouble hidden danger, reduce the number of times that has a power failure, reduce the fault loss, reduce personnel working strength and manufacturing cost's a passive short circuit earth fault indicator who takes temperature measurement function.
Background
Present short circuit earth fault indicator and cable head temperature measuring device function singleness uses the in-process need frequently with trading battery or external power supply, far can not satisfy distribution network system's development needs, so current urgent need improve the research and development and adopt an economy, multi-functional, accord with the real-time supervision device that distribution network system development needs, for this the utility model provides a can real-time supervision short circuit and single-phase earth fault, a real-time supervision device of cable terminal department temperature compares in prior art, the utility model has the advantages of: the utility model discloses can understand the whole condition of corresponding cable district section in looped netowrk switch, cable branch case, the case becomes comprehensively, accurately assess its operating condition, in time discover the trouble hidden danger, reduce the power failure number of times, reduce the fault loss, reduce personnel working strength and manufacturing cost's a passive short circuit grounding fault indicator who takes temperature measurement function.
Disclosure of Invention
The utility model discloses an overcome above-mentioned prior art at least a defect, provide passive short circuit grounding fault indicator who takes temperature measurement function, have the whole condition of stability height, high low voltage isolation, non-maintaining, the function is perfect, the corresponding cable district section of real-time supervision, including short circuit, ground connection, cable terminal department temperature on-line monitoring's advantage.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a passive short circuit ground fault indicator who takes temperature measurement function includes 3 passive short circuits, the integrative fault sensor of temperature measurement, 1 passive ground fault sensor, 1 passive display, passes through optic fibre transmission trouble and temperature data information between sensor and the display the two, has solved high-low pressure physics and has kept apart the problem, utilizes optic fibre transmission energy simultaneously, provides the power supply for the display.
In the technical scheme, the passive short-circuit and temperature measurement integrated fault sensor comprises a temperature sensor unit, a short-circuit detection unit, a CT power taking unit, a timing electronic switch unit, an optical fiber sending unit, an epoxy resin insulating layer and a shell; the output end of the temperature sensor unit is connected with the short-circuit detection unit through the timing electronic switch and the optical fiber sending unit, short-circuit fault signals and temperature signals are sent at intervals, and the power taking unit supplies power to the whole sensor.
Preferably, the voltage signals generated by the short-circuit detection unit and the temperature sensor unit are switched in millisecond level by the timing electronic switch and are transmitted by the optical fiber transmission unit according to a certain coding mode, so that the integration of short-circuit detection and temperature detection is realized.
In the technical scheme of the application, the passive ground fault sensor comprises a CT power taking unit, a ground detection unit, an optical fiber sending unit, an epoxy resin insulating layer and a shell; the output end of the grounding detection unit is connected with the optical fiber sending unit, and the power taking unit supplies power to the whole sensor.
In the technical scheme of the application, the passive display comprises a photoelectric conversion unit, 3 short circuits, a temperature measurement integrated optical fiber receiving unit, 1 grounding optical fiber receiving unit, a photoelectric conversion storage unit, an electronic switch unit, a receiving microprocessor unit, an RS485 communication interface unit and a display unit. The low-power consumption microprocessor unit receives signals of the optical fiber receiving unit, decodes the signals, transmits the signals to the display unit for display, and uploads data to a server of the monitoring center by using the RS485 communication interface unit.
Preferably, the input end of the electronic switch unit monitors the voltage of the photoelectric conversion storage unit, the electronic switch is turned on to be connected with the corresponding power interface of each unit after the working voltage is reached, otherwise, the switch is turned off, the photoelectric conversion storage unit is continuously enabled to work to store energy, and the functions of being free of maintenance in the whole working process, reducing wiring in the construction process and reducing cost are achieved.
Drawings
Fig. 1 is a schematic block diagram of a passive short-circuit ground fault indicator with a temperature measurement function according to an embodiment of the present invention.
Fig. 2 is the functional block diagram of the fault sensor integrated with passive short circuit and temperature measurement in the embodiment of the present invention.
Fig. 3 is a schematic block diagram of a passive ground fault sensor in an embodiment of the present invention.
Fig. 4 is a schematic block diagram of a passive display according to an embodiment of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1:
as shown in FIG. 1, the utility model provides a passive short circuit grounding fault indicator who takes temperature measurement function includes 3 passive short circuits, the integrative fault sensor of temperature measurement, 1 passive grounding fault sensor, 1 passive display, passes through optic fibre transmission trouble and temperature data information between the sensor and the display the two.
As shown in fig. 2, the passive short-circuit and temperature measurement integrated fault sensor comprises a temperature sensor unit, a short-circuit detection unit, a CT power taking unit, a timing electronic switch unit, an optical fiber sending unit, an epoxy resin insulating layer and a shell; the output end of the temperature sensor unit and the short circuit detection unit are switched once in 10ms through a timing electronic switch, the temperature sensor unit is connected with the optical fiber sending unit and sends fault and temperature signals according to a certain coding mode, and the CT electricity taking unit supplies power to the whole sensor.
As shown in fig. 3, the passive ground fault sensor includes a CT power taking unit, a ground detection unit, an optical fiber transmission unit, an epoxy resin insulation layer, and a housing; the output end of the grounding detection unit is connected with the optical fiber sending unit, fault signals are sent according to a certain coding mode, and the power taking unit supplies power to the whole sensor.
As shown in fig. 4, the passive display device includes a photoelectric conversion unit, 3 short-circuit and temperature measurement integrated optical fiber receiving units, 1 grounding optical fiber receiving unit, a photoelectric conversion storage unit, an electronic switch unit, a receiving microprocessor unit, an RS485 communication interface unit, and a display unit. The low-power consumption microprocessor unit receives the signals of the optical fiber receiving unit, decodes the signals, transmits the signals to the display unit for display, and uploads the data to a server of the monitoring center by using the RS485 communication interface unit; the input end of the electronic switch unit monitors the voltage of the photoelectric conversion storage unit, the electronic switch is turned on to be connected with the corresponding power interface of each unit after the voltage reaches the working voltage, otherwise, the switch is turned off, the photoelectric conversion storage unit continues to work, energy is stored, and the functions of maintenance-free in the whole working process, reduction of wiring in the construction process and reduction of cost are achieved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. The utility model provides a passive short circuit ground fault indicator who takes temperature measurement function which characterized in that, including 3 integrative fault sensor of passive short circuit temperature measurement, 1 passive ground fault sensor, 1 passive display, the sensor passes through optic fibre transmission trouble and temperature data according to certain code, and the display passes through fiber receiver and connects received signal, decodes, shows, utilizes RS485 communication interface to upload to monitoring center's server.
2. The passive short-circuit grounding fault indicator with the temperature measuring function according to claim 1, wherein the passive short-circuit temperature-measuring integrated fault sensor comprises a temperature sensor unit, a short-circuit detection unit, a CT power taking unit, a timing electronic switch unit and an optical fiber sending unit; the voltage signals generated by the short circuit detection unit and the temperature sensor unit are switched in millisecond level through the timing electronic switch and are transmitted through the optical fiber transmitting unit according to a certain coding mode, so that the integration of short circuit detection and temperature detection is realized.
3. The passive short-circuit grounding fault indicator with the temperature measurement function according to claim 1, wherein the passive display comprises a photoelectric conversion unit, 3 short-circuit temperature measurement integrated optical fiber receiving units, 1 grounding optical fiber receiving unit, a photoelectric conversion storage unit, an electronic switch unit, a receiving microprocessor unit, an RS485 communication interface unit and a display unit.
4. The passive short-circuit ground fault indicator with the temperature measurement function according to claim 1, wherein an electronic switch unit in the passive display monitors the voltage of the photoelectric conversion storage unit, and when the voltage reaches a working voltage, the electronic switch is turned on to be connected with a corresponding power interface of each unit, so that each functional unit of the passive display works, and otherwise, the switch is turned off, so that the photoelectric conversion storage unit continues to work to store energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054638.1U CN209878914U (en) | 2019-01-14 | 2019-01-14 | Passive short circuit grounding fault indicator with temperature measuring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054638.1U CN209878914U (en) | 2019-01-14 | 2019-01-14 | Passive short circuit grounding fault indicator with temperature measuring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878914U true CN209878914U (en) | 2019-12-31 |
Family
ID=68950672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920054638.1U Active CN209878914U (en) | 2019-01-14 | 2019-01-14 | Passive short circuit grounding fault indicator with temperature measuring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209878914U (en) |
-
2019
- 2019-01-14 CN CN201920054638.1U patent/CN209878914U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100533081C (en) | Switch cabinet contact temperature monitoring and alarming system | |
| CN201576048U (en) | Thunder and lightning automatic monitoring system | |
| CN109599940A (en) | A kind of distribution transforming status remote monitoring system and method based on LPWAN | |
| CN103364685A (en) | Current temperature on-line fault indicator and method for judging fault | |
| CN111404273A (en) | Remote sensing monitoring system for overhead line | |
| CN201051018Y (en) | Switch case contact temperature monitoring and alarming system | |
| CN203465023U (en) | Power cable insulation fault on-line monitoring system based on single-chip microcomputer | |
| CN103036625A (en) | Design method of detecting system for telecontrol remote terminal unit (RTU) and information channel | |
| CN209878914U (en) | Passive short circuit grounding fault indicator with temperature measuring function | |
| CN206920037U (en) | A kind of ring main unit cable connector on-line temperature monitoring system | |
| CN205138649U (en) | A temperature measurement system for cable joint | |
| CN217425980U (en) | Intelligent control system of pump station | |
| CN216248201U (en) | Cable joint fault monitoring system | |
| CN205210161U (en) | Optical fiber temperature fault indicator | |
| CN206819531U (en) | A kind of cloud electricity takes data acquisition device | |
| CN212277986U (en) | Remote sensing monitoring system for overhead line | |
| CN103615290A (en) | Mining safety monitoring and control substation for voice intercom and online intrinsic safety power supply monitoring | |
| CN213041415U (en) | RFID wireless passive temperature measurement system | |
| CN103852108A (en) | Power transmission and transformation device adopting remote star network monitoring system | |
| CN211477397U (en) | Vibration acceleration sensor device and vibration acceleration detection system | |
| CN209859788U (en) | Vegetable oil combined digital transformer | |
| CN210923857U (en) | Intelligent electric power instrument and system | |
| CN203908587U (en) | Optical cable splice box temperature and humidity wireless detecting system | |
| CN202758231U (en) | Monitoring system for power environment in machine room | |
| CN113224847A (en) | Electric power monitored control system based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |