CN218035421U - Cable plug with passive wireless temperature measurement function and temperature measurement system - Google Patents
Cable plug with passive wireless temperature measurement function and temperature measurement system Download PDFInfo
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- CN218035421U CN218035421U CN202221261412.7U CN202221261412U CN218035421U CN 218035421 U CN218035421 U CN 218035421U CN 202221261412 U CN202221261412 U CN 202221261412U CN 218035421 U CN218035421 U CN 218035421U
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Abstract
The utility model discloses a cable plug with passive wireless temperature measurement function and a temperature measurement system, relating to the field of temperature measurement of power equipment, comprising a plug hardware fitting, a measurement part and an insulating shell; insulating casing is for being provided with the hollow structure who measures the chamber, and measurement portion and end cap gold utensil run through the setting and measure in the chamber, and the end cap gold utensil passes through assorted screw thread detachable connection with insulating casing. The utility model has the advantages that: by the split design of the measuring part and the plug hardware fitting, the problems that a sensor chip cannot be debugged and the yield is low due to an injection molding process are solved; the sensor chip and the sensor antenna are welded on the bonding pad corresponding to the annular PCB gasket, and the microstrip line on the annular PCB gasket is used for realizing electrical connection, so that the problems that the sensor antenna is difficult to operate due to direct welding on a pin of the sensor chip, the sensor chip is easy to damage, the size of the spring antenna is limited, the gain is low, the antenna is difficult to fix, and the yield of temperature measuring plug products is low are solved.
Description
Technical Field
The utility model belongs to the technical field of power equipment temperature measurement and specifically relates to a cable end cap and temperature measurement system with passive wireless temperature measurement function.
Background
The cable connectors are important parts of a power transmission and distribution network, are numerous, have severe working environment, often cause local overheating due to faults, have overhigh temperature, and finally have power faults, even serious accidents such as explosion and the like.
The wire outlet nose and the wire outlet cable are connected in the cable connector through a crimping method, the crimping process can cause overlarge contact resistance and generate a large amount of heat under the condition of heavy load, so that the cable connector is locally overheated, and safety accidents are finally caused. Temperature monitoring is realized to the inside end cap gold utensil of cable connector, can effectively monitor cable connector state, prevention incident. However, the conventional temperature measurement method can only monitor the temperature of the external insulating layer of the cable connector, and cannot monitor the metal parts which actually generate heat in the cable connector.
The cable plug is connected with the connecting screw rod through the plug hardware fitting, the other side of the connecting screw rod is connected with the wire nose, the heat conducting performance of metal is high, and the temperature of the metal are the same, so that the temperature of the wire nose inside the cable can be monitored by monitoring the temperature of the cable plug metal piece.
Various attempts have been made before to place the sensor in the cable plug and monitor the temperature of the metal parts inside the cable connector, but the used sensor is not a passive product and has poor temperature tolerance capability, so that the product does not have practical value basically.
The conventional temperature monitoring product with the battery is arranged in the cable plug, and due to the poor high-temperature resistance of the battery, the internal temperature of the cable connector is far higher than the temperature which can be born by the battery, so that the battery is exploded finally, safety accidents are caused, and the technology is eliminated.
In another method, a voltage difference is used for taking electricity to replace a battery; as in application No.: CN201710915982.0 discloses a detachable connector for a smart grid monitoring system, which is used for solving the problem of poor temperature tolerance of a battery. According to the technology, a high voltage is led out from a metal piece of the plug by a power-taking sheet metal and a metal wire, so that the purpose of taking power is achieved, the insulation design of the plug is seriously damaged, the phenomenon of partial discharge inside the plug is serious, and the safety of a product is very low; meanwhile, the active temperature measurement technology needs a conventional integrated circuit, which has weak temperature tolerance and is easily damaged when the temperature exceeds 85 ℃, so that the product based on the technology has a very short service life.
In the third method, the passive wireless temperature sensor and the cable plug are integrally formed, and in the method, a sensor chip, an antenna and a printed board are all subjected to high temperature in the injection molding process and are easy to damage in the product processing process; moreover, the product cannot be debugged after production, the yield is very low, and the mass production cannot be realized;
a fourth method, as described in application No. CN 108760077A, in which the temperature of the connection screw is transmitted to the surface acoustic wave temperature sensor through a heat conducting member, and the existence of the heat conducting member compresses the available space of the sensor antenna, so that the gain of the sensor antenna is very low, and since the outer layer of the cable connector is a semi-conducting layer, the cable connector has a very large attenuation effect on wireless signals, the low gain of the antenna causes weak excitation signals received by the surface acoustic wave temperature sensor, and meanwhile, the reflected signals radiated by the sensor antenna are also very weak, so that the stability of the temperature monitoring system is very poor; in addition, the bonding pad of the surface acoustic wave temperature sensor is not large, the spring antenna is directly welded on the pin of the surface acoustic wave temperature sensor, the operation is inconvenient, the surface acoustic wave temperature sensor is easy to damage, the antenna is not easy to fix, and the finished product rate of the product is low by the method.
Therefore, technical personnel in the field are dedicated to develop a cable plug, and the problems that a sensor cannot be debugged, the surface acoustic wave temperature sensor is easy to damage and the spring antenna is difficult to fix and has low yield caused by an injection molding process are solved by the split design of the surface acoustic wave temperature sensor and the cable plug hardware fitting.
SUMMERY OF THE UTILITY MODEL
In view of the above defects in the prior art, the technical problems to be solved by the present invention are that the active temperature measurement product powered by battery in the prior art has poor high temperature resistance, the battery has explosion risk, the active device is easy to be damaged at high temperature when the voltage difference is used for electricity, and the service life of the product is low; the temperature sensor and the cable plug are integrally molded by injection, the temperature sensor is easily damaged by high temperature in the injection molding process, and products cannot be debugged, the yield is low and the mass production cannot be realized after injection molding; meanwhile, the problems that in the existing method, the gain of the antenna is low, the system is unstable in work, the spring antenna is inconvenient to weld and not easy to fix, and the yield of products is low are solved.
In order to achieve the purpose, the utility model provides a cable plug with passive wireless temperature measurement function, which comprises a plug hardware fitting, a measurement part and an insulating shell; the insulation cover is a hollow structure provided with a measuring cavity, the measuring part and the plug fitting penetrate through the measuring cavity, and the plug fitting is detachably connected with the insulation cover through matched threads.
Further, the end cap hardware fitting is of a hollow metal structure and comprises a front-end small cylinder and a rear-end large cylinder which are different in diameter, a first step is formed between the front-end small cylinder and the rear-end large cylinder, and a semi-closed threaded connecting hole is formed in the rear-end large cylinder.
Furthermore, the big cylinder outside of rear end is provided with the big cylinder external screw thread of rear end, the insulating casing inboard be provided with the big cylinder external screw thread assorted insulating casing internal thread of rear end, the big cylinder of rear end with the insulating casing passes through the screw thread detachable connection.
Furthermore, the inner side of the front end small cylinder is of a hollow structure, and a front end small cylinder internal thread is arranged on the inner side wall.
Furthermore, the measuring part is arranged around the front-end small cylinder and comprises an annular PCB gasket, a sensor antenna and a sensor chip, a connecting hole connected with the annular PCB gasket is formed in the end face, close to the rear-end large cylinder, of the front-end small cylinder, and the sensor chip is arranged on the annular PCB gasket.
Further, the sensor antenna is welded on the annular PCB gasket and is of a double-spiral structure.
Furthermore, the annular PCB gasket is of a hollow annular structure, the hollow diameter is not smaller than that of the front-end small cylinder, and the annular PCB gasket can penetrate through the front-end small cylinder and is padded on the end face of the rear-end large cylinder.
Furthermore, the sensor chip is a passive wireless surface acoustic wave temperature sensor based on the surface acoustic wave technology, does not contain any silicon-based circuit, and does not need any charging or power supply.
The utility model also provides a temperature measurement system with passive wireless temperature measurement function, which comprises a far-end trigger part and a near-end contact part; the near-end contact part is arranged on a contact point to be detected, and the far-end trigger part and the near-end trigger part are communicated in a wireless mode; the near-end contact part comprises a plug main body, a connecting conductor, an inner shielding body, a connecting screw rod and the cable plug; the plug main part is the cavity of T shape structure, including horizontal cavity and vertical cavity, connecting conductor, connecting screw and cable plug set up in the horizontal cavity, the internal shield sets up in vertical cavity and the horizontal cavity, the plug main part outside is connected with the earth connection, connecting screw is last be provided with the external screw thread that the small cylinder internal thread of front end matches, the small cylinder of front end with connecting screw passes through screw thread releasable connection.
Furthermore, the far-end trigger part comprises an acquisition antenna and a temperature acquisition device which are connected through a radio frequency line, and the acquisition antenna is used for communicating with the sensor chip.
The utility model has the advantages that:
1. the utility model discloses a with the split type design of measuring part and end cap gold utensil, solve the unable debugging of sensor chip that injection molding process brought, the problem that the yield is low.
2. The sensor chip and the sensor antenna are both welded on the bonding pad corresponding to the annular PCB gasket, and the sensor chip and the sensor antenna are electrically connected through the microstrip line on the annular PCB gasket, so that the problems that the sensor chip is easy to damage, the spring antenna is difficult to fix and the yield of products is low due to the difficult operation caused by the direct welding of the sensor antenna on the pin of the sensor chip are solved;
3. the utility model discloses weld sensor chip on annular PCB gasket, annular PCB gasket passes through the fix with screw on the end cap gold utensil, the end cap gold utensil passes through the connecting screw rod of screw thread and cable connector and links to each other, transmit connecting screw rod's temperature for the end cap gold utensil, the end cap gold utensil is again with temperature transfer for annular PCB gasket, annular PCB gasket transmits the temperature for sensor chip, thereby realize the temperature monitoring to cable connector, this kind of design, do not need the heat-conducting piece in the conventional way, usable space has been increased, sensor antenna's size can be designed bigger, adopt double helix structure, antenna gain is higher, radiation efficiency is also higher, received inquiry signal intensity is stronger with the reflected signal intensity that radiates away, system work is more stable.
4. The utility model discloses a it installs the collection antenna that triggers the portion at the distal end and sends excitation signal to sensor chip. After the sensor chip receives the excitation signal, a reflection signal with characteristic frequency related to temperature is excited due to the material characteristics of the sensor chip, the sensor chip can automatically send the reflection signal to the signal transmitter through the sensor antenna, the signal transmitter receives the reflection signal and transmits the reflection signal to the temperature collector, the temperature collector calls an algorithm preset in the temperature collector, the current temperature of the sensor is calculated by comparing the difference of the signal frequencies sent and received by the acquisition antenna, and therefore efficient, stable and accurate temperature monitoring of the cable connector is achieved in a passive mode.
5. The utility model discloses a sensor chip need not the power supply of any form for the passive product based on surface acoustic wave technique, can tolerate various harsh environment, can normally work under 250 ℃ high temperature for a long time, solves conventional dependence battery powered or gets the electric mode and carry out the temperature measurement for the power supply of temperature measurement integrated circuit, and integrated circuit can not tolerate the problem of the inside high temperature of cable connector for a long time.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of an insulating housing, a measuring portion, and a plug fitting according to a preferred embodiment of the present invention;
fig. 2 is a schematic view of an insulating housing according to a preferred embodiment of the present invention;
fig. 3 is a side view of a cable plug according to a preferred embodiment of the present invention;
fig. 4 is a schematic side view of the plug hardware according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural diagram of the entire temperature measuring system according to a preferred embodiment of the present invention.
In the figures, 1, the proximal contact portion; 2. a distal trigger; 3. an external electrical device; 4. a ground line; 101. a plug main body; 102. a connecting conductor; 103. an inner shield; 104. connecting a screw rod; 105. a measuring section; 106. a transverse cavity; 107. a vertical cavity; 108. a protective cover; 109. a plug hardware fitting; 111. an insulating housing; 112. a measurement cavity; 113. A front end small cylinder; 114. a rear-end large cylinder; 115. a first step; 116. an annular PCB gasket; 117. a sensor antenna; 118. a sensor chip; 119. the front end of the small cylinder is internally threaded; 120. the rear end is provided with a large cylinder external thread; 121. an insulating housing internal thread; 201. collecting an antenna; 202. and a temperature collector.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to only the embodiments described herein.
In the drawings, elements that are structurally identical are represented by like reference numerals, and elements that are structurally or functionally similar in each instance are represented by like reference numerals. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 4, an embodiment of the present invention provides a technical solution:
a cable plug with a passive wireless temperature measurement function at least comprises but is not limited to a plug fitting 109, a measurement part 105 and an insulating shell 111; the insulating shell 111 is a conical table hollow structure, a measuring cavity 112 for the plug fitting 109 and the measuring part 105 to penetrate is arranged in the main insulating layer, and the measuring part 105 and the plug fitting 109 are both arranged in the measuring cavity 112.
The split type design with sensor chip and end cap gold utensil is passed through to this embodiment, solves the unable debugging of sensor chip that injection molding process brought, problem that the yield is low.
In some preferred embodiments, the bulkhead fitting 109 is made of a metal material, and the insulating housing 111 may be made of a hard insulating material such as plastic, epoxy resin, or polyurethane.
In some preferred embodiments, the structure of the bulkhead fitting 109 is a hollow cavity structure, and includes two front small cylinders 113 and a rear large cylinder 114 with different diameters, a first step 115 is formed between the front small cylinder 113 and the rear large cylinder 114, a semi-closed front small cylinder internal thread 119 is disposed in the front small cylinder 113, and a rear large cylinder external thread 120 is disposed on the outer layer of the rear large cylinder 114.
The inner side of the insulating shell 111 is provided with an insulating shell internal thread 121 matched with the rear end large cylinder external thread 120, and the rear end large cylinder 114 is connected with the insulating shell 111 through a thread and can be detached.
The measuring part 105 is arranged on the rear large cylinder 114 and around the front small cylinder 113, and the measuring part 105 comprises an annular PCB gasket 116, a sensor antenna 117 and a sensor chip 118; the end face, close to the rear-end large cylinder 114, of the front-end small cylinder 113 is provided with a connecting hole connected with the annular PCB gasket 116, the annular PCB gasket 116 and the plug hardware fitting 109 are connected into a whole through the connecting hole, and the sensor chip 118 is arranged on the annular PCB gasket 116.
In some preferred embodiments, the sensor antenna 117 is connected to the annular PCB gasket 116, and the sensor antenna 117 is a double-layer spiral structure, which provides higher antenna gain and radiation efficiency, so that the temperature monitoring system has higher stability.
The sensor antenna 117 is connected with the annular PCB gasket 116 by welding, and the sensor antenna 117 is fixed on the annular PCB gasket 116 after welding.
In some preferred embodiments, the annular PCB gasket 116 is provided with a pad, and the sensor chip 118 is soldered on the annular PCB gasket 116 through the pad.
The utility model discloses all weld sensor chip and sensor antenna on the pad that annular PCB gasket corresponds, the two realizes electrical connection through the microstrip line on the annular PCB gasket, solves the difficult operation that sensor antenna beading brought on the sensor chip pin, and sensor chip is easily damaged, spring antenna is difficult to the problem fixed, that the product yield is low.
In some preferred embodiments, the sensor chip 118 is a passive wireless temperature sensor, i.e., a surface acoustic wave sensor, using surface acoustic wave technology; according to the scheme, based on the material characteristics of the surface acoustic wave sensor, the temperature is monitored by utilizing the reflection of signals, power supply such as charging and energy storage in any form is not needed, and the surface acoustic wave sensor can stably work for a long time within the range of-40-250 ℃.
Based on above-mentioned structure, through with annular PCB gasket 116 and end cap gold utensil 109 lug connection in this scheme, realize the direct heat-conduction of metal to the monitoring to cable connection head temperature. The sensor chip 118 reflects signals at different frequencies based on its own (surface acoustic wave sensor) characteristics, and when the outside provides an excitation signal to the sensor chip 118, the sensor chip 118 automatically reflects a signal with a specific frequency back, and the outside can realize accurate measurement of temperature by analyzing the frequency.
Meanwhile, the problem that the active temperature measurement product cannot bear the high temperature inside the cable connector is solved through the high temperature resistance of the surface acoustic wave device.
Through the split design, the measuring part 105 is produced independently and then is arranged in the cable plug, and the problem of low product yield caused by integral injection molding is solved.
Through the cavity design, the cable plug is hollowed, and the problem of installation space of the surface acoustic wave temperature sensor is solved.
Through welding sensor chip 118 on annular PCB gasket 116, annular PCB gasket 116 links to each other with end cap gold utensil 109, end cap gold utensil 109 passes through the internal thread 119 of front end small cylinder 113, link to each other with connecting screw, above-mentioned connection position all is the metal, the sensor chip is transmitted with connecting screw's temperature to final realization, save heat-conducting component, save space, so that increase sensor antenna's size, adopt double helix structure's antenna, sensor antenna's gain has been improved, make sensor antenna received excitation signal stronger, the reflection signal who radiates away is stronger, surface acoustic wave temperature sensor work is more stable.
The utility model discloses weld sensor chip on annular PCB gasket, annular PCB gasket passes through the fix with screw on the end cap gold utensil, the end cap gold utensil passes through the connecting screw rod of screw thread and cable connector and links to each other, transmit connecting screw rod's temperature for the end cap gold utensil, the end cap gold utensil transmits the temperature for annular PCB gasket again, annular PCB gasket transmits the temperature for sensor chip, thereby realize the temperature monitoring to the cable connector, this kind of design, do not need the heat-conducting piece in the conventional way, usable space has been increased, sensor antenna's size can be designed bigger, adopt double helix structure, antenna gain is higher, radiation efficiency is also higher, received inquiry signal intensity is stronger with the reflected signal intensity that radiates away, system work is more stable.
Example 2
Based on the foregoing embodiment 1, this embodiment provides a temperature measurement system with a passive wireless temperature measurement function, which at least includes but is not limited to a distal triggering portion 2 and a proximal contact portion 1; the near-end contact part 1 is arranged on a contact point to be tested, and the far-end trigger part 2 and the near-end trigger part 1 are communicated in a wireless mode.
In a preferred embodiment, the proximal contact 1 comprises a plug body 101, a connection conductor 102, an inner shield 103, a connection screw 104 and a cable gland; the plug main body 101 is a hollow cavity of a T-shaped structure, the hollow cavity of the T-shaped structure comprises a transverse cavity 106 and a vertical cavity 107, and the connecting conductor 102, the connecting screw 104 and the cable plug are all arranged in the transverse cavity 106; the inner shield 103 is disposed in the vertical cavity 107 and the horizontal cavity 106, and the ground wire 4 is connected to the outside of the plug main body 101.
A connecting port which is matched with the connecting conductor 102 in shape and size is arranged in the transverse cavity 106, and the connecting conductor 102 is fixedly arranged in the connecting port; the connection conductor 102 is provided with a through hole for connection of the connection screw 104, and the connection screw 104 is disposed through the connection conductor 102.
In a preferred embodiment, the connecting screw 104 is a double-start threaded screw; one end of the connecting screw 104 is a free connecting end used for being connected with external electrical equipment, and the other end of the connecting screw penetrates through the connecting conductor 102, then a fixed connecting structure is formed between the connecting screw 104 and the cable plug through a flat gasket, a spring gasket and a fastening nut, and the internal thread 119 of the front small cylinder 113 is connected with the connecting screw.
By way of example, the inner shield 103 is made of a semiconducting material.
Based on the above structure, the signal of the whole device can be stabilized through the inner shield 103, no other signal interferes with the measurement unit 105, and the connection screw 104 can be connected to the external electrical device 3 quickly through the double-thread structure of the connection screw 104, so that the external electrical device 3 can be connected.
In a preferred embodiment, a protective cover 108 is disposed outside the cable plug, and a fixed connection structure is formed between the protective cover 108 and the plug main body 101.
Two ends of the connecting screw 104 are respectively provided with a threaded connection structure, and the right end of the connecting screw is in threaded movable connection with the internal thread of the front small cylinder 113 after penetrating through the connecting conductor 102.
In a preferred embodiment, the distal triggering part 2 includes an acquisition antenna 201 and a temperature collector 202, the acquisition antenna 201 is used for communicating with the sensor chip 118, and the acquisition antenna 201 is connected with the temperature collector 202 through a radio frequency line.
The temperature measurement system of the scheme can be used in a smart grid monitoring system, and sends an excitation signal to the sensor chip 118 through the acquisition antenna 201 installed on the far-end trigger part 2. After the sensor chip 118 receives the excitation signal, due to the material characteristics of the sensor chip, a reflection signal related to the temperature is excited, the reflection signal is automatically sent to the acquisition antenna 201 through the sensor antenna 117, the acquisition antenna 201 transmits the received reflection signal to the temperature collector 202, the temperature collector 202 calls an algorithm preset in the temperature collector, and the temperature of the sensor is calculated by comparing the frequency difference between the signals sent and received by the acquisition antenna 201, so that the wireless and passive temperature monitoring of the connecting conductor 102 is realized efficiently, stably and accurately.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A cable plug with a passive wireless temperature measurement function is characterized by comprising a plug hardware fitting, a measurement part and an insulating shell; the insulation housing is of a hollow structure provided with a measuring cavity, the measuring part and the plug fitting penetrate through the measuring cavity, and the plug fitting is detachably connected with the insulation housing through matched threads.
2. The cable plug with the passive wireless temperature measurement function according to claim 1, wherein: the plug hardware fitting is of a hollow metal structure and comprises a front-end small cylinder and a rear-end large cylinder which are different in diameter, a first step is formed between the front-end small cylinder and the rear-end large cylinder, and a semi-closed threaded connecting hole is formed in the rear-end large cylinder.
3. The cable plug with the passive wireless temperature measurement function according to claim 2, wherein: the big cylinder outside of rear end is provided with the big cylinder external screw thread of rear end, the insulating casing inboard be provided with the big cylinder external screw thread assorted insulating casing internal thread of rear end, the big cylinder of rear end with the insulating casing passes through the screw thread and can dismantle the connection.
4. The cable plug with the passive wireless temperature measurement function according to claim 3, wherein: the inner side of the front end small cylinder is of a hollow structure, and a front end small cylinder internal thread is arranged on the inner side wall.
5. The cable plug with the passive wireless temperature measurement function according to claim 4, wherein: the measuring part is arranged around the front end small cylinder and comprises an annular PCB gasket, a sensor antenna and a sensor chip, the front end small cylinder is close to the end face of the rear end large cylinder to form the first step, a connecting hole connected with the annular PCB gasket is formed in the rear end large cylinder, and the sensor chip is arranged on the annular PCB gasket.
6. The cable plug with the passive wireless temperature measurement function according to claim 5, wherein: the sensor antenna is welded on the annular PCB gasket and is of a double-spiral structure.
7. The cable plug with the passive wireless temperature measurement function according to claim 5, wherein: the annular PCB gasket is of a hollow annular structure, the hollow diameter of the annular PCB gasket is not smaller than that of the front end small cylinder, and the annular PCB gasket can penetrate through the front end small cylinder and is padded on the first step.
8. The cable plug with the passive wireless temperature measurement function according to any one of claims 5 to 7, wherein: the sensor chip is a passive wireless surface acoustic wave temperature sensor based on a surface acoustic wave technology, does not contain any silicon-based circuit, and does not need any charging or power supply.
9. The utility model provides a temperature measurement system with passive wireless temperature measurement function which characterized in that: comprises a far-end trigger part and a near-end contact part; the near-end contact part is arranged on a contact point to be detected, and the far-end trigger part and the near-end trigger part are communicated in a wireless mode; the proximal contact portion comprising a plug body, a connection conductor, an inner shield, a connection screw, and the cable plug of claim 5; the plug main part is the cavity of T shape structure, including horizontal cavity and vertical cavity, connecting conductor, connecting screw and cable plug set up in the horizontal cavity, the internal shield sets up in vertical cavity and the horizontal cavity, the plug main part outside is connected with the earth connection, be provided with on the connecting screw with the external screw thread that the interior screw thread of front end small circle cylinder matches, front end small circle cylinder with connecting screw passes through screw thread releasable connection.
10. The temperature measurement system with the passive wireless temperature measurement function according to claim 9, wherein: the far-end trigger part comprises an acquisition antenna and a temperature acquisition device which are connected through a radio frequency line, and the acquisition antenna is used for communicating with the sensor chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221261412.7U CN218035421U (en) | 2022-05-24 | 2022-05-24 | Cable plug with passive wireless temperature measurement function and temperature measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221261412.7U CN218035421U (en) | 2022-05-24 | 2022-05-24 | Cable plug with passive wireless temperature measurement function and temperature measurement system |
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| CN218035421U true CN218035421U (en) | 2022-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910190A (en) * | 2022-05-24 | 2022-08-16 | 苏州光声纳米科技有限公司 | Cable plug with passive wireless temperature measurement function and temperature measurement system |
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2022
- 2022-05-24 CN CN202221261412.7U patent/CN218035421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910190A (en) * | 2022-05-24 | 2022-08-16 | 苏州光声纳米科技有限公司 | Cable plug with passive wireless temperature measurement function and temperature measurement system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cable plug and temperature measurement system with passive wireless temperature measurement function Granted publication date: 20221213 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Suzhou Branch Pledgor: Suzhou Guangsheng nanotechnology Co.,Ltd. Registration number: Y2024980016656 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |