CN209878166U - Mechanical seal moving and static ring temperature monitoring device - Google Patents
Mechanical seal moving and static ring temperature monitoring device Download PDFInfo
- Publication number
- CN209878166U CN209878166U CN201921022744.8U CN201921022744U CN209878166U CN 209878166 U CN209878166 U CN 209878166U CN 201921022744 U CN201921022744 U CN 201921022744U CN 209878166 U CN209878166 U CN 209878166U
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- wireless signal
- temperature
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Abstract
The utility model provides a mechanical seal moves, quiet ring temperature monitoring device, temperature element adopt thermocouple sensor, and moving ring part installation wireless signal emission module sends the signal that will record for wireless signal to installing the signal receiving module on the casing, and quiet ring part is direct to link to each other with signal receiving module through thermocouple sensor, conveys the data collection station of connecting at the computer with the signal of collecting. The wireless signal transmitting module is composed of a thermocouple, a signal amplifier, a signal transmitter and a battery, and is fixedly installed with the moving ring assembly through a designed lantern ring, is static relative to the moving ring and monitors the temperature of the moving ring in real time. The signal receiving module consists of a receiver, a regulator and a data acquisition unit and is connected with a computer. The device has realized sealed rotating ring end face seal's wireless measurement, has solved the difficulty that wired measurement is difficult to measure the rotating ring temperature to measure quiet ring temperature simultaneously, monitor the running state of sealing ring more stably.
Description
Technical Field
The utility model belongs to the technical field of mechanical seal temperature measurement, concretely relates to move, quiet ring temperature monitoring's device to mechanical seal.
Background
With the rapid development of modern industry, the mechanical sealing technology is increasingly complex, precise, efficient and intelligent, and is widely applied to the major fields of petroleum, chemical industry, electric power, metallurgy, paper making, food, nuclear power, ships, aviation, aerospace, military industry and the like. The mechanical seal is used as a key basic technology and a key basic component for preventing process medium or lubricating oil from leaking, saving energy, controlling environmental pollution and the like on rotating equipment in various major fields, and the quality and the performance of the mechanical seal directly determine the running period and the service efficiency of matched equipment.
In the actual working process of the mechanical seal, the relative rotation of the seal ring generates friction, the friction generates heat to change the temperature of the seal ring, the temperature of the seal ring can affect the fluid film phase state and the end face friction state between seal faces, when the temperature is too high, the lubrication effect can be reduced, the sliding surface becomes dry, dry friction is caused, and then higher heat is generated, so that the seal ring can generate hot crack and thermal deformation, the fluid leakage amount is increased, even the seal fails, so the temperature is one of very critical parameters, and the temperature of the mechanical seal needs to be accurately measured. Because the moving state of the moving ring and the static ring is different, the friction degree is different in the mechanical operation process, so that the temperature of the moving ring and the static ring is different, the temperature of the moving ring and the static ring can better reflect the operation state of the mechanical seal by monitoring the temperature of the moving ring and the static ring simultaneously, and when the moving ring and the static ring have larger temperature difference or simultaneously have high temperature, the mechanical seal is in an abnormal state possibly. At present, the scholars at home and abroad widely monitor the mechanical sealing state and adopt the temperature measurement technology with the following defects: most of them only aim at measuring the temperature of a static ring, and it is difficult to directly measure the temperature of a rotating ring.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a mechanical seal moving and static ring temperature monitoring device, which wraps a wireless signal transmitting module through a designed lantern ring to wirelessly measure the temperature of a seal moving ring, and mainly solves the problems that a wired sensor is difficult to directly measure the temperature of the moving ring and is not ideal in practical application; and the whole temperature measurement structure is simple, the installation is convenient, and the normal sealing performance is not influenced.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a mechanical seal moves, quiet ring temperature monitoring devices, includes rotating ring temperature measurement part and quiet ring temperature measurement part, and temperature element chooses for use thermocouple sensor as temperature measurement sensor. The moving ring temperature measuring part is provided with an independent wireless signal transmitting module which is responsible for collecting and transmitting moving ring temperature data; the temperature measuring part of the static ring is connected with the signal receiving module through the thermocouple sensor, and then temperature measuring work can be completed.
Further, the wireless signal emission module comprises signal amplifier, wireless signal transmitter and battery and thermocouple sensor, and this wireless signal emission module is arranged in through the lantern ring of design wherein, the lantern ring includes an end cover, wraps up the lantern ring, and this end cover passes through the screw to be fixed with the lantern ring to the wireless signal emission module of protection can not fly out when rotatory, offers the through-hole at lantern ring and rotating ring seat same position, should satisfy the sensor probe and get into the through-hole, insert the sensor probe and contact the rotating ring, reuse the adhesive and fix this probe.
Furthermore, after the mechanical seal starts to work, the wireless signal transmitting module rotates together with the moving ring, the sensor probe is in a static state relative to the moving ring, the temperature of the moving ring can be measured in real time, and the generated electric signals are changed into wireless signals to be transmitted under the action of the signal amplifier and the wireless signal transmitter and are received by the signal receiving module.
Furthermore, the fixed mode of installation of the static ring temperature measurement sensor is the same as that of the movable ring.
Furthermore, the signal receiving module is arranged on the sealed shell and consists of a receiver, a regulator and a data acquisition unit, and the receiver is responsible for receiving wireless signals; the thermocouple for measuring the temperature of the static ring is connected with the regulator, collects the temperature signals of the dynamic ring and the static ring and uploads the signals to the computer through the data collector.
The utility model provides a pair of mechanical seal moves, quiet ring temperature monitoring device through design wireless signal emission module and axle collar, has realized the wireless measurement of sealed rotating ring temperature, has solved the unable measuring rotating ring temperature problem of traditional wired measuring method. The wireless signal transmission module and the signal receiving module are adopted to combine the measurement and control instrument with the traditional mechanical seal; the wireless signal module can rotate along with the shaft, so that the temperature of the moving ring can be directly measured, the signal receiving module is arranged in the sealing shell, the sealing operation is not influenced, and the measured data can more directly reflect the temperature change condition of the sealing ring caused by friction; and the temperature of the static ring is monitored at the same time, the temperature of the static ring and the temperature of the static ring are different due to different motion states, and the monitoring can better reflect the operation state of the mechanical seal. The utility model discloses be fit for mechanical seal temperature measurement's long-term use, need not the open circuit signal when changing the sealing ring, it is more convenient to need the open circuit signal to change again than traditional wired measurement.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a mechanical seal dynamic and static ring temperature monitoring device according to the present invention;
fig. 2 is a schematic diagram of the connection of the signal receiving module in fig. 1;
FIG. 3 is a schematic diagram of the wireless signal transmitting module shown in FIG. 1;
FIG. 4 is a schematic view of the collar structure of FIG. 1;
in the figure, 0-shaft, 1-integrated sheet, 2-signal receiving module, 211-signal receiver, 212-signal regulator, 213-stationary ring thermocouple sensor, 22-data collector, 4-signal transmission line, 5-wireless signal transmitting module, 51-moving ring thermocouple sensor, 52-signal amplifier, 53-wireless signal transmitter, 54-battery, 61-end cover, 7-push ring, 8-spring, 9-spring seat, 10-shaft sleeve, 11-auxiliary seal, 12-moving ring, 13-stationary ring, 14-anti-rotation pin, 15-transmission pin
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-4, be the first example of the mechanical seal moves, quiet ring temperature monitoring devices that the utility model provides, the utility model discloses an utilize thermocouple sensor to measure mechanical seal moves, quiet ring temperature, the rotating ring temperature adopts wireless measurement, measure the 4 temperature output signal of rotating ring through thermocouple sensor 51 probe, effect through signal amplifier 52 and wireless signal transmitter 53, change the signal of telecommunication into radio signal, with these radio signal transmission to the signal receiver 211 of installing in sealed housing's signal reception module 2, data collection through signal conditioner 212 signal processing and data collection station 22, can accomplish sealed rotating ring temperature measurement.
In this embodiment, the wireless measurement portion includes a wireless signal transmitting module 5 composed of a thermocouple sensor 51, a signal amplifier 52, a wireless signal transmitter 53 and a battery 54. A thermocouple sensor 51 is selected as a temperature measuring sensor, a signal amplifier 52, a wireless signal transmitter 53 and a power supply battery 54 are connected with the thermocouple sensor 51 to form a wireless signal transmitting module 5, the wireless signal transmitting module 5 is placed in the wireless signal transmitting module through a designed lantern ring 6, a micro through hole is formed in the same position of the lantern ring 6 and the movable ring 4, the through hole can meet the condition that a probe of the thermocouple sensor 51 enters, the probe of the thermocouple sensor 51 is inserted into the through hole and inserted into the movable ring 4, and then an adhesive is used for fixing, so that the thermocouple sensor is prevented from shaking and shifting in the sealing operation process. After the seal starts to work, the sleeve ring 6 rotates together with the shaft 0, the thermocouple sensor 51 is in a static state relative to the moving ring 4, the temperature of the moving ring 4 can be measured in real time, electric signals generated by the thermocouple sensor are changed into wireless signals under the action of the signal amplifier 52 and the wireless signal transmitter 52 and are emitted, the signal receiving module 2 collects the wireless signals, the wireless signals are processed by the signal receiver 211, the signal regulator 212 and the data collector 22 and are finally transmitted to a computer, the real-time moving ring temperature can be obtained, and the wireless measurement of the seal moving ring temperature is completed.
In this embodiment, a small through hole is opened in the stationary ring 1 so that a probe of the thermocouple sensor 213 can be inserted, the sensor 213 is connected to the signal conditioner 212 in the signal receiving module 2, transmits a signal to the data acquisition unit 22, and finally transmits the signal to the computer, thereby completing the temperature measurement of the stationary ring 1.
In this embodiment, the movable ring 4 and the stationary ring 1 are both provided with small through holes, which have little influence on the working performance of the sealing ring, and the adverse effect of the through holes can be eliminated by the processing of the sealing ring processing technology. The purpose of forming the micro through holes is as follows: the temperature measured by the thermocouple sensor is the temperature of a certain point, and if the temperature is only contacted with the surface of the sealing ring, the temperature of the point cannot accurately reflect the sealing temperature state; the thermocouple sensor probe is inserted into the sealing ring, and the measured temperature is closer to the overall temperature of the sealing ring.
In this embodiment, the collar 6 does not have specific size requirements, but it should be ensured that the wireless signal transmitting module 5 can be completely placed in the collar groove, and will not shake or shift during the sealing operation. The end cover 61 is processed to wrap the lantern ring 6, and the end cover 61 is fixed with the lantern ring 6 through a hexagon socket head cap screw M3 so as to prevent the wireless signal transmitting module 5 from flying out during rotation; the collar 6 and the push ring 7 are fixed with a socket head cap screw M6 so as to be rotatable together with the follower ring. The collar 6 should be made of metal to ensure that it is not easily corroded by the process media during the sealing operation. The wireless signal transmitting module 5 should be coated or wrapped with a protective layer on the surface to ensure that it is not easily corroded by the process medium in the sealing operation process.
In this embodiment, considering that the distance of the wireless signal transmitting module 5 is limited, the receiver 211 and the regulator 212 in the signal receiving module 2 are placed inside the housing, and a protective layer should be coated or wrapped on the surface to ensure that the wireless signal transmitting module is not easily corroded by the process medium during the sealing operation. The regulator 212 transmits signals to the data collector 22, wires need to penetrate through the shell, a wire leading-out device is arranged at the penetrating position, and the hole of the shell is sealed, so that the problems of leakage and the like are avoided.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention in any way, and those skilled in the art may make modifications and changes to the equivalent embodiment by using the technical contents disclosed above. 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 present invention.
Claims (6)
1. A mechanical seal moving and static ring temperature monitoring device is characterized by comprising a moving ring temperature measuring part and a static ring temperature measuring part, wherein the moving ring temperature measurement belongs to wireless measurement and is realized by a wireless signal transmitting module fixed on a moving ring assembly, the wireless signal transmitting module transmits a signal to a signal receiving module arranged on a shell, and then the signal is transmitted to a computer; the static ring temperature measurement part is directly connected with the signal receiving module by the thermocouple sensor to complete temperature measurement.
2. The mechanical seal moving and stationary ring temperature monitoring device according to claim 1, wherein the wireless signal transmitting module is composed of a thermocouple sensor, a signal amplifier, a wireless signal transmitter and a supply battery, the wireless signal transmitting module measures the moving ring temperature output electric signal through a thermocouple sensor probe, converts the electric signal into wireless signals through the action of the signal amplifier and the wireless signal transmitter, transmits the wireless signals to the signal receiving module composed of a receiver and a regulator, and completes the measurement of the seal moving ring temperature through a data acquisition card connected to a computer.
3. The mechanical seal dynamic and static ring temperature monitoring device according to claim 1, wherein the signal receiving module is composed of a receiver, a regulator and a data collector, and is connected with a computer.
4. The mechanical seal moving and stationary ring temperature monitoring device according to claim 1, wherein the wireless signal transmitting module is placed in a designed collar, is fixedly mounted on the moving ring assembly, and rotates together with the moving ring, and the collar does not have specific size requirements, but should ensure that the wireless signal transmitting module can be completely placed in the groove of the collar and does not shake or shift during the sealing operation; the lantern ring is made of metal, so that the lantern ring is not easily corroded by a process medium in the sealing operation process; the collar also includes an end cap for protecting the wireless signal emitting module and for being screwed down.
5. The mechanical seal dynamic and static ring temperature monitoring device according to claim 1, wherein the wireless signal transmitting module and the signal receiving module are coated or wrapped with anti-corrosion materials to ensure that the wireless signal transmitting module and the signal receiving module are not easily corroded by process media during the sealing operation.
6. The mechanical seal moving and static ring temperature monitoring device according to claim 1, wherein the thermocouple sensor probe is directly connected with the surface of the moving and static rings and fixed by an adhesive, so that the thermocouple sensor probe is prevented from shaking and shifting during the sealing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022744.8U CN209878166U (en) | 2019-07-03 | 2019-07-03 | Mechanical seal moving and static ring temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022744.8U CN209878166U (en) | 2019-07-03 | 2019-07-03 | Mechanical seal moving and static ring temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878166U true CN209878166U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022744.8U Expired - Fee Related CN209878166U (en) | 2019-07-03 | 2019-07-03 | Mechanical seal moving and static ring temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209878166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178198A (en) * | 2020-11-02 | 2021-01-05 | 天长市金祝机械密封件有限公司 | Spring mechanical seal compensating ring assembly |
| CN114046987A (en) * | 2022-01-13 | 2022-02-15 | 清华大学 | Multi-physical quantity measurement test device for rotating shaft sealing |
-
2019
- 2019-07-03 CN CN201921022744.8U patent/CN209878166U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178198A (en) * | 2020-11-02 | 2021-01-05 | 天长市金祝机械密封件有限公司 | Spring mechanical seal compensating ring assembly |
| CN114046987A (en) * | 2022-01-13 | 2022-02-15 | 清华大学 | Multi-physical quantity measurement test device for rotating shaft sealing |
| CN114046987B (en) * | 2022-01-13 | 2022-03-25 | 清华大学 | Multi-physical quantity measurement test device for rotating shaft sealing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20200703 |