CN207600651U - A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type - Google Patents
A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type Download PDFInfo
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- CN207600651U CN207600651U CN201721732684.XU CN201721732684U CN207600651U CN 207600651 U CN207600651 U CN 207600651U CN 201721732684 U CN201721732684 U CN 201721732684U CN 207600651 U CN207600651 U CN 207600651U
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- fingertip
- spring
- disconnecting switch
- pressure sensor
- mounting bracket
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Abstract
A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type, including compound sensor, compound sensor includes pressure sensor and infrared thermometer, the fingertip that the emitting head of infrared thermometer passes through infrared emitting hole face disconnecting switch；Pressure sensor is installed between fingertip spring and spring base, and one end of fingertip spring is pressed on pressure sensor, and the other end of fingertip spring is connected by spring bushing with the fingertip of disconnecting switch, and spring base is connected by connecting plate with the gear frame of disconnecting switch.Using the utility model, the temperature under the clamping force size and long-term open position when can acquire and show in real time in-place closing between contact fingertip at fingertip.
Description
Technical field
The utility model is related to electronic technology field more particularly to a kind of multi-functional disconnecting switch temperature clamping forces of general-purpose type
Monitoring device.
Background technology
Country increases input to power industry in recent years, from ± 110kV to the power station of ± 1100kV in China
Largely put into operation, Chinese power network has been in a leading position level in the world, guarantees the quality, guarantor's amount, reliably, safety, the operation of more efficiency into
Primary requirement for current power industry.A critical elements of the high voltage isolator as power transmission and transformation system, are made in power grid
The primary equipment of dosage maximum, in operation real-time monitoring switch body contacts clamping force size, temperature at contact probe abutment
Monitoring for improving electric grid operating efficiency, reduces personnel's inspection workload, improves operation accuracy important role.
The measurement of clamping force is only voluntarily detected or is being pacified by producer in disconnecting switch exfactory inspection in the prior art
Construction party is detected during dress, when switch at this time is in state and best performance, it is impossible to react in longtime running
State.Simultaneous Switching because it is long-term it is exposed in air, the wear oxidation of contact fingertip or clamping force not enough will all cause to contact
Position temperature liter is excessively high, burns fingertip, influences the safe operation of electric system.
Running clamping force is detected there is presently no perfect technology, the detection to switch temperature is also to pass through
Intelligent robot or staff carry out inspection one by one using infrared thermometer, due to being limited by polling period, no
Discovery failure that can be promptly and accurately, be susceptible to accidentally survey, test leakage situations such as, greatly reduce the operating efficiency of power grid, Wu Faman
Sufficient power system security, stabilization, expanding economy requirement.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above of the existing technology, and it is real to provide a kind of energy
When monitoring fingertip clamping force and temperature the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type.
A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type, including compound sensor, compound sensor
Including pressure sensor and infrared thermometer, pressure sensor and infrared thermometer are respectively arranged on mounting bracket both ends；Pressure
In the left end frame body of sensor lower end insertion mounting bracket, the left end frame body upper surface of mounting bracket is stretched out in pressure sensor upper end；Or
Person, pressure sensor are directly fixed on mounting bracket left end frame body upper surface；Infrared thermometer is set on the right end frame body of mounting bracket
Interior, the right end frame body upper surface of mounting bracket is provided with infrared emitting hole, the emitting head face infrared emitting of infrared thermometer
Hole, the fingertip that the emitting head of infrared thermometer passes through infrared emitting hole face disconnecting switch；The mounting bracket of compound sensor
It is fixed on spring base, pressure sensor is installed between fingertip spring and spring base, and one end of fingertip spring is pressed on pressure biography
On sensor, spring bushing is equipped in fingertip spring, the other end of fingertip spring passes through spring bushing and the fingertip phase of disconnecting switch
Even, spring base is connected by connecting plate with the gear frame of disconnecting switch.
Further, compound sensor further includes microcontroller, wireless transmitter and power supply, pressure sensor and infrared thermometry
Instrument is connect with microcontroller, and microcontroller built-in A/D converter, microcontroller is connected with wireless transmitter, pressure sensor, infrared ray
Temperature measurer, microcontroller and wireless transmitter are connected with power supply.The pressure signal and infrared thermometer of pressure sensor acquisition
The temperature signal of acquisition is further transmitted by wireless transmitter to collector after microcontroller carries out analog-to-digital conversion.Microcontroller
The parameter of pressure sensor and infrared thermometer can be configured, can also carry out analog-to-digital conversion to signal.The microcontroller is
Existing mature technology, such as can be selected the microcontroller of STM8L105 series, and the speed of service is fast.
Further, pressure sensor is triggering type pressure sensor.The left end of the mounting bracket is flat end, mounting bracket
Right end is protruding end, and pressure sensor is set on flat end, and infrared thermometer is set on protruding end.The flat structure of mounting bracket is easy to
In spring base, and in the case where not changing fingertip spring, identical active force is generated to fingertip.Mounting bracket it is convex
Origin or beginning is the set area of component, and microcontroller, power supply and wireless transmitter are also set on the protruding end of mounting bracket.
Further, the power supply includes charging wire packet and battery, and 125 degree of Switzerland RENATA CR2450HT can be selected in battery
High temperature button cell.Charging wire packet takes piezoelectric voltage higher than button cell, in favor of realizing that it is electric preferential that charging wire packet takes；In charging wire
When packet can not take electricity, the energy content of battery is used.Using charging wire packet electric energy supplement, there is high current to lead in favor of ensuring to close in disconnecting link
It is out-of-date, do not consume battery power.
Further, self-cleaning glass is housed at the infrared emitting hole of the right end frame body upper surface of mounting bracket.It is transported for a long time
During row, easy dust stratification at this advantageously reduces dust using self-cleaning glass and dirty liquid is attached to glass surface.Compound biography
The mounting bracket of sensor is secured by bolts on spring base.The mounting bracket of compound sensor is molded using insulating materials.
Further, at least one collector, each collector and at least one compound sensor wireless connection are further included, is adopted
Storage is connected by wired or wireless way with monitoring display, and monitoring display can be terminal computer, compound for showing
The collected data information of sensor.Monitor display also with warning device（Such as buzzer）It is connected.When compound sensor is adopted
When the pressure value and temperature value of collection are more than the pressure value and temperature value that prestore in terminal computer, are realized and reported by warning device
It is alert.
Infrared thermometer also can be used other similar temperature measuring equipments to substitute.
The mounting bracket upper and lower surface current potential of compound sensor is equal, that is to say, that sensor mounting location for etc.
Potential environment in favor of avoiding between spring base or fingertip and compound sensor there are potential difference, ensures inside compound sensor
Do not occur discharging, puncture.
Further, the mounting bracket periphery of compound sensor can also be surrounded with metal, in favor of shielding electromagnetic field, ensure compound
The reliable and secure operation of sensor internal circuit.
Further, collector can be bolted on the installing plate of the operating mechanism of disconnecting switch（It is not shown in figure）
On, collector is equipped with radio transmitter/receiver, and compound sensor passes through on wireless transmitter in mounting bracket, collector
Radio transmitter/receiver is connected with collector.Radio transmitter/receiver can be also equipped with by monitoring on display, collector is by adopting
The radio transmitter/receiver in radio transmitter/receiver, monitoring display on storage is connected with monitoring display；Collector
Can also directly it be connected by RS232/485 signal wires with monitoring display.
Collector, microcontroller, without transmitter, radio transmitter/receiver, monitoring display be existing mature equipment.
Further, the fingertip of disconnecting switch is equipped with locating slot.The both ends of the spring bushing are cylinder, between both ends
Equipped with equal pressure surface.The outer diameter of one end of spring bushing is adapted with the internal diameter of fingertip spring, and fingertip is close in one end of spring bushing
Spring inner surface；In the locating slot of the other end insertion disconnecting switch fingertip of spring bushing, to the movement of limited spring bushing.
By spring bushing transition between fingertip and fingertip spring, rise and be oriented to and prevent camber of spring from misplacing.
Using the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type as previously described to the temperature of disconnecting switch and
The method that clamping force is monitored, includes the following steps：
The temperature on the fingertip of disconnecting switch, the collected fingertip temperature of infrared thermometer are acquired by infrared thermometer
Degree is sent to collector after microcontroller analog to digital conversion through wireless transmitter, finally reaches monitoring display.If temperature is higher than prison
Preset temperature value in display is controlled, then is alarmed by warning device.Pressure sensor in compound sensor is used to detect fingertip
The pressure of spring.When disconnecting switch is closed a floodgate, gear frame is moved upwards along fingertip, and gear frame is moved up through band of links flexible spring seat
It is moved perpendicular to fingertip, making both sides fingertip, monolithic fingertip gives stationary contact rod pressure toward the stationary contact bar for closing direction clamping disconnecting switch,
Since power is mutual, stationary contact bar also gives the effect of monolithic fingertip power, and monolithic fingertip is produced to fingertip spring close to one end of fingertip
Raw active force, fingertip spring are pressurized, and the fingertip spring other end generates restoring force and acts on pressure sensor, and fingertip spring generates
Restoring force be equal to monolithic fingertip and give the pressure of stationary contact bar；During disconnecting switch in-place closing, fingertip amount of spring compression is maximum, pressure
It is triggered after force snesor stability under loading, and the pressure value that will be measured（Clamping force when i.e. disconnecting switch is closed a floodgate between contact fingertip）
Size is sent to microcontroller, and monitoring display is reached after wireless transmitter, collector.
The pressure value that monitoring display is sent back by the pressure sensor of compound sensor is pre- in display with monitoring
The pressure value deposited compares, if the pressure value measured is more than the pressure value that prestores, judges the clamping force foot between isolation switch contact fingertip
It is enough, switch in-place closing.If the fingertip temperature that monitoring display is sent back through infrared thermometer is more than to monitor in display in advance
The temperature value deposited then judges that temperature is excessively high at fingertip, it is understood that there may be the failures such as fingertip surface oxidation.When isolation switch contact fingertip
Between insufficient clamping force or fingertip when the temperature is excessively high, corresponding disconnecting switch is examined by monitoring display prompts staff
It repaiies, in favor of realizing unmanned inspection, strengthens the reliability of each equipment sequence of power grid.
Using the utility model, clamping force size and length when can acquire and show in real time in-place closing between contact fingertip
Temperature under phase open position at fingertip.Sustainable work of device described in the utility model 3 years or more without battery is needed to change, is pacified
Dress, convenient disassembly complete the real-time monitoring of all disconnecting switch to substation by being wirelessly transferred；Can acquire in real time clamping force and
Temperature level, detection and isolation switch whether loose contact, whether fingertip surface, which aoxidizes etc., leads to the raised failure of temperature.
Description of the drawings
Fig. 1 is disconnecting switch temperature and the overall schematic of clamping force real-time monitoring device；
Fig. 2 is the assembling of the compound sensor, spring base, spring of disconnecting switch temperature and clamping force real-time monitoring device
Structure diagram（Disconnecting switch paints model GW16 types in Fig. 2）；
Fig. 3 is the side view of spring bushing；
Fig. 4 is the external structure schematic diagram of compound sensor；
Fig. 5 is the internal structure schematic diagram of compound sensor.
Specific embodiment
Below in conjunction with drawings and examples, the utility model is described in further detail.
With reference to Fig. 1-Fig. 5, a kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type, including compound sensor
6, compound sensor 6 includes pressure sensor 2 and infrared thermometer 3, and pressure sensor 2 and infrared thermometer 3 are set respectively
In 17 both ends of mounting bracket, in 2 lower end of pressure sensor insertion, 17 left end frame body of mounting bracket, installation is stretched out in 2 upper end of pressure sensor
17 left end frame body upper surface of frame（Alternatively, pressure sensor 2 is directly fixed on 17 left end frame body upper surface of mounting bracket）, infrared ray survey
Warm instrument 3 is set in 17 right end frame body of mounting bracket, and 17 right end frame body upper surface of mounting bracket is provided with infrared emitting hole 12, and infrared ray is surveyed
The emitting head face infrared emitting hole 12 of warm instrument 3, the emitting head of infrared thermometer 3 by 12 face of infrared emitting hole every
Leave the fingertip 11 of pass；The mounting bracket 17 of compound sensor 6 is fixed on spring base 7, and pressure sensor 2 is installed on fingertip spring
Between 8 and spring base 7, one end of fingertip spring 8 is pressed on pressure sensor 2, and spring bushing 10, bullet are equipped in fingertip spring 8
The outer diameter of spring bushing 10 is adapted with the internal diameter of fingertip spring 8, and the other end of fingertip spring 8 is by spring bushing 10 with keeping apart
The fingertip 11 of pass is connected, and spring base 7 is connected by connecting plate 13 with the gear frame 14 of disconnecting switch.
Compound sensor 6 further includes microcontroller 4, wireless transmitter 5 and power supply 1, pressure sensor 2 and infrared thermometer
3 connect with microcontroller 4, and 4 built-in A/D converter of microcontroller, microcontroller 4 is connected with wireless transmitter 5, pressure sensor 2, red
Outside line temperature measurer 3, microcontroller 4 and wireless transmitter 5 are connected with power supply 1.The pressure signal and infrared that pressure sensor 2 acquires
The temperature signal that line temperature measurer 3 acquires is further transmitted by wireless transmitter 5 to adopting after microcontroller 4 carries out analog-to-digital conversion
Storage 15.The parameter of pressure sensor 2 and infrared thermometer 3 can be configured in microcontroller 4, also can carry out modulus to signal
Conversion.The microcontroller 4 is existing mature technology, and the microcontroller of STM8L105 series such as can be selected, and the speed of service is fast.
Pressure sensor 2 is triggering type pressure sensor.17 left end of mounting bracket is flat end, and mounting bracket right end is convex
Origin or beginning, pressure sensor 2 are set on flat end, and infrared thermometer 3 is set on protruding end.The flat structure of mounting bracket is easily mounted on
In spring base 7, and in the case where not changing fingertip spring, identical active force is generated to fingertip.The protrusion of mounting bracket 17
End is the set area of component, and microcontroller 4, power supply 1 and wireless transmitter 5 are also set on the protruding end of mounting bracket.
The power supply 1 includes charging wire packet and battery, and 125 Du Gaowenniu of Switzerland RENATA CR2450HT can be selected in battery
Detain battery.Charging wire packet takes piezoelectric voltage higher than button cell, in favor of realizing that it is electric preferential that charging wire packet takes；It can not in charging wire packet
When taking electricity, the energy content of battery is used.Using charging wire packet electric energy supplement, in favor of ensure disconnecting link close have high current by when,
Do not consume battery power.
Self-cleaning glass is housed at the infrared emitting hole 12 of 17 right end frame body upper surface of mounting bracket, in longtime running,
Easy dust stratification at this advantageously reduces dust using self-cleaning glass and dirty liquid is attached to glass surface.Compound sensor 6
Mounting bracket 17 be secured by bolts on spring base 7.The mounting bracket 17 of compound sensor 6 is molded using insulating materials.
Further include at least one collector 15, each collector 15 and at least one 6 wireless connection of compound sensor, acquisition
Device 15 is connected by wired or wireless way with monitoring display 16.It can be terminal computer to monitor display 16, for showing
The collected data information of compound sensor.Monitoring display 16 is gone back and warning device（Such as buzzer）It is connected.When compound biography
When the pressure value and temperature value of sensor acquisition are more than the pressure value and temperature value that prestore in terminal computer, pass through warning device reality
Now alarm.
Infrared thermometer 3 also can be used other similar temperature measuring equipments to substitute.
The 17 upper and lower surface current potential of mounting bracket of compound sensor 6 is equal, that is to say, that sensor mounting location is
Equipotential environment in favor of avoiding between spring base or fingertip and compound sensor there are potential difference, ensures in compound sensor
Portion does not occur discharging, puncture.17 periphery of mounting bracket of compound sensor 6 can also be surrounded with metal, in favor of shielding electromagnetic field, protect
Demonstrate,prove the reliable and secure operation of compound sensor internal wiring.
Collector 15 can be bolted on the installing plate of the operating mechanism of disconnecting switch（It is not shown in figure）On, acquisition
Device 15 is equipped with radio transmitter/receiver, and monitoring display 16 passes through on wireless transmitter 5 in mounting bracket 17, collector 15
Radio transmitter/receiver be connected with collector 15.Radio transmitter/receiver, collector can be also equipped with by monitoring on display 16
15 pass through the radio transmitter/receiver on collector 15, the radio transmitter/receiver on monitoring display 16 and monitoring display
16 are connected；Collector 15 can be also directly connected by RS232/485 signal wires with monitoring display 16.
Collector, microcontroller, without transmitter, radio transmitter/receiver, monitoring display 16 be that existing maturation is set
It is standby.
In use, corresponding compound sensor is installed in the disconnecting switch that each need to be monitored.In the present embodiment, figure
18 compound sensors are depicted only shown in 1, six of which sensor is one group of correspondence, one collector.
The fingertip of disconnecting switch is equipped with locating slot.The both ends of the spring bushing 10 are cylinder, are equipped between both ends
Equal pressure surface 10-1.In the locating slot of one end insertion disconnecting switch fingertip 11 of spring bushing 10, to limited spring bushing 10
It is mobile；It is close to 8 inner surface of fingertip spring in the other end end of spring bushing 10.By spring bushing 10 between fingertip 11 and fingertip spring 8
Transition rises and is oriented to and prevents camber of spring from misplacing.
The temperature on the fingertip 11 of disconnecting switch is acquired by infrared thermometer 3, infrared thermometer 3 is collected to be touched
Refer to temperature and be sent to collector 15 through wireless transmitter 5 after 4 analog to digital conversion of microcontroller, finally reach monitoring display 16.If
Temperature is then alarmed higher than preset temperature value in monitoring display by warning device.Pressure sensor 2 in compound sensor 6
For detecting the pressure of fingertip spring 8.When disconnecting switch is closed a floodgate, gear frame 14 is moved upwards along fingertip 11, on gear frame 14
Mobile Communication crosses connecting plate 13 and is moved with flexible spring seat 7 perpendicular to fingertip, makes both sides fingertip 11 toward the stationary contact for closing direction clamping disconnecting switch
Bar（It is not shown in figure）, monolithic fingertip gives stationary contact rod pressure, and since power is mutual, stationary contact bar is also to 11 power of monolithic fingertip
Effect, monolithic fingertip 11 act power to fingertip spring 8 close to one end of fingertip 11, and fingertip spring 8 is pressurized, fingertip spring 8
The other end generates restoring force and acts on pressure sensor 2, and the restoring force that fingertip spring 8 generates is given quiet equal to monolithic fingertip 11
The pressure of feeler lever；During disconnecting switch in-place closing, 8 decrement of fingertip spring is maximum, is triggered after pressure sensor stability under loading,
And the pressure value that will be measured（Clamping force when i.e. disconnecting switch is closed a floodgate between contact fingertip）Size is sent to microcontroller 4, through wireless
Monitoring display 16 is reached after transmitter 5, collector 15.
The pressure value that monitoring display is sent back by the pressure sensor 2 of compound sensor is pre- in display with monitoring
The pressure value deposited compares, and is more than in advance if the pressure value measured differs the pressure value within 3% or measured with the pressure value that prestores
Pressure value is deposited, judges that the clamping force between isolation switch contact fingertip is enough, switchs in-place closing.If it is transmitted through infrared thermometer
The fingertip temperature for returning monitoring display is more than the temperature value to prestore in monitoring display, then judges that temperature is excessively high at fingertip, may
There are the failures such as fingertip surface oxidation.When the insufficient clamping force between isolation switch contact fingertip or fingertip when the temperature is excessively high, pass through
Monitoring display prompts staff overhauls corresponding disconnecting switch, in favor of realizing unmanned inspection, strengthens power grid and respectively sets
The reliability of standby sequence.
Using the utility model, clamping force size and length when can acquire and show in real time in-place closing between contact fingertip
Temperature under phase open position at fingertip.
It is telescopic that the utility model scope of application includes disconnecting switch GW16A type single-pole verticals（Referring to Fig. 2）With keep apart
Close GW7C type horizontal rotation type structures.
In the present embodiment, when disconnecting switch in-place closing, after sensing finger pressure value stabilization, collector 15 will scan one one by one
Six compound sensors 6 on group switch receive the signal that each compound sensor 6 is sent, and are transferred to monitoring display successively
15.The frequency acquisition of pressure sensor and infrared thermometer can be set by microcontroller, be existing mature technology.
Claims (7)
1. a kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type, which is characterized in that multiple including compound sensor
It closes sensor and includes pressure sensor and infrared thermometer, pressure sensor and infrared thermometer are respectively arranged on mounting bracket two
End；In the left end frame body of pressure sensor lower end insertion mounting bracket, pressure sensor upper end is stretched out on the left end frame body of mounting bracket
Surface；Alternatively, pressure sensor is directly fixed on mounting bracket left end frame body upper surface；Infrared thermometer is set on the right side of mounting bracket
In end-rack body, the right end frame body upper surface of mounting bracket is provided with infrared emitting hole, and the emitting head face of infrared thermometer is infrared
Line launch hole, the fingertip that the emitting head of infrared thermometer passes through infrared emitting hole face disconnecting switch；Compound sensor
Mounting bracket is fixed on spring base, and pressure sensor is installed between fingertip spring and spring base, and one end of fingertip spring is pressed on
On pressure sensor, it is equipped with spring bushing in fingertip spring, the other end of fingertip spring passes through spring bushing and disconnecting switch
Fingertip is connected, and spring base is connected by connecting plate with the gear frame of disconnecting switch.
2. the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type according to claim 1, which is characterized in that multiple
It closing sensor and further includes microcontroller, wireless transmitter and power supply, pressure sensor and infrared thermometer are connect with microcontroller,
Microcontroller built-in A/D converter, microcontroller are connected with wireless transmitter, pressure sensor, infrared thermometer, microcontroller and nothing
Line transmitter is connected with power supply.
3. the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type according to claim 1 or 2, feature exist
In pressure sensor is triggering type pressure sensor；The left end of the mounting bracket is flat end, and the right end of mounting bracket is protrusion
End, pressure sensor are set on flat end, and infrared thermometer is set on protruding end.
4. the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type according to claim 1 or 2, feature exist
In equipped with self-cleaning glass at the infrared emitting hole of the right end frame body upper surface of mounting bracket.
5. the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type according to claim 1 or 2, feature exist
In the mounting bracket periphery of compound sensor is surrounded with metal.
6. the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type according to claim 1 or 2, feature exist
In the fingertip of disconnecting switch is equipped with locating slot；The both ends of the spring bushing are cylinder, and equal pressure surface is equipped between both ends；
The outer diameter of one end of spring bushing is adapted with the internal diameter of fingertip spring, and fingertip spring inner surface is close in one end of spring bushing；
In the locating slot of the other end insertion disconnecting switch fingertip of spring bushing；By spring bushing transition between fingertip and fingertip spring.
7. the multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type according to claim 1 or 2, feature exist
In further including at least one collector, each collector and at least one compound sensor wireless connection, collector passes through wired
Or wireless mode is connected with monitoring display；Monitoring display is used to show the collected data information of compound sensor；Monitoring
Display is also connected with warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732684.XU CN207600651U (en) | 2017-12-13 | 2017-12-13 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732684.XU CN207600651U (en) | 2017-12-13 | 2017-12-13 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type |
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| Publication Number | Publication Date |
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| CN207600651U true CN207600651U (en) | 2018-07-10 |
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| CN201721732684.XU Active CN207600651U (en) | 2017-12-13 | 2017-12-13 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830962A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type and method |
-
2017
- 2017-12-13 CN CN201721732684.XU patent/CN207600651U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830962A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of multi-functional disconnecting switch temperature clamping force monitoring device of general-purpose type and method |
| CN107830962B (en) * | 2017-12-13 | 2023-12-26 | 湖南长高高压开关有限公司 | Method for monitoring temperature and clamping force of isolating switch |
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