CN113932949A - Function detection probe and device for electric energy meter terminal temperature sensor - Google Patents
Function detection probe and device for electric energy meter terminal temperature sensor Download PDFInfo
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- CN113932949A CN113932949A CN202111183544.2A CN202111183544A CN113932949A CN 113932949 A CN113932949 A CN 113932949A CN 202111183544 A CN202111183544 A CN 202111183544A CN 113932949 A CN113932949 A CN 113932949A
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a probe and a device for detecting the function of a temperature sensor of a terminal of an electric energy meter, wherein the probe is used for being inserted into a wiring hole of the terminal of the electric energy meter to exchange heat with the terminal of the electric energy meter and acquiring the temperature of the terminal of the electric energy meter, and the probe and the device comprise: the probe seat, the probe temperature sensor and the connecting piece are internally provided with cold and hot fluid channels; the probe seat is provided with a contact end which is contacted with the terminal of the electric energy meter for heat exchange, and the probe temperature sensor is fixed with the contact end of the probe seat through the elastic piece. This detection probe adopts cold and hot fluid to heat the electric energy meter terminal, can realize the quick temperature rise and the cooling to being surveyed the electric energy meter terminal, can rapid cooling after the detection to survey the electric energy meter and change, can simulate abnormal conditions such as rapid cooling or low temperature.
Description
Technical Field
The invention relates to the technical field of function detection of temperature sensors on terminals of electric energy meters, in particular to a function detection probe of the temperature sensor of the terminals of the electric energy meter and a function detection device of the temperature sensor of the terminals of the electric energy meter.
Background
With the large application of the intelligent electric energy meter, whether the installation of the electric energy meter meets the requirements and whether the electric energy meter can normally operate relates to the mass power utilization organizations and the personal and property safety of individuals. After the electric energy meter is installed and operated for a period of time, the resistance of the connecting part is increased due to the reasons of untight screwing, metal oxidation and the like, so that the temperature of the wiring terminal is increased, and a fire disaster is caused in severe cases. In addition, overheating of the terminals of the electric energy meter can cause severe line loss. For power grid enterprises, abnormal line loss electric quantity is not only loss of benefit, but also absolute loss of national electric quantity resources. Therefore, it is necessary to monitor the terminal temperature in real time.
Terminal temperature sensors are currently used to monitor terminal temperature. The terminal temperature sensor is installed in the electric energy meter, and the temperature monitoring function is added into the electric energy meter, so that the dynamic temperature safety monitoring can be carried out on the key circuit in the electric energy meter. Once the temperature is found to exceed the warning threshold, an event record can be formed, and basis is provided for the system to take risk avoidance measures or cause investigation after an accident.
In order to ensure accurate and reliable operation of the terminal temperature sensor in the electric energy meter, the terminal temperature sensor in the electric energy meter needs to be subjected to function detection. At present, most common heating modes are heating wires for heating, and the problems that the electric energy meter is easy to overheat and not easy to cool, and the electric energy meter cannot be quickly replaced and the like exist.
Disclosure of Invention
The invention aims to provide a function detection probe and a function detection device for a terminal temperature sensor of an electric energy meter, wherein a cold and hot fluid channel for conveying cold and hot fluids is arranged in a probe seat of the probe, and when heating is needed, the hot fluid is introduced into the cold and hot fluid channel to heat the terminal of the electric energy meter; and after the detection is finished, introducing cold fluid into the cold and hot fluid channel to realize the rapid cooling of the electric energy meter terminal.
In order to achieve the above object, a first aspect of the present invention provides a probe for detecting a function of a temperature sensor of a terminal of an electric energy meter, the probe being inserted into a connection hole of the terminal of the electric energy meter to perform heat exchange with the terminal of the electric energy meter while collecting a temperature of the terminal of the electric energy meter, the probe comprising:
the probe seat, the probe temperature sensor and the connecting piece are internally provided with cold and hot fluid channels; the probe seat is provided with a contact end which is contacted with the terminal of the electric energy meter for heat exchange, and the probe temperature sensor is fixed with the contact end of the probe seat through a connecting piece.
Optionally, the probe further comprises: the probe temperature sensor comprises a probe seat, a connecting piece, a probe temperature sensor (106) and a thermal insulation pad, wherein the thermal insulation pad is arranged between the connecting piece and a contact end of the probe seat and used for carrying out temperature insulation on the contact end of the probe temperature sensor and the probe seat, so that the probe temperature sensor (106) only collects the temperature of the electric energy meter terminal when the probe seat and the electric energy meter terminal carry out heat exchange. The temperature insulation pad can insulate direct temperature contact between the probe seat and the temperature sensor, and temperature data obtained by measuring of the temperature sensor is temperature data of the electric energy meter terminal.
Further, the probe seat is a three-way probe seat and comprises a first end, a second end and a third end, the first end is a cold and hot fluid inlet end, the second end is a contact end of the probe seat, and the third end is a cold and hot fluid outlet end. The probe seat separates the inlet and the outlet of the cold and hot fluid, so that the cold and hot fluid can be controlled conveniently.
Optionally, a throttle valve is further disposed at the third end of the probe seat. The throttle valve is used to control the cold fluid outlet to open only when it is desired to discharge cold or hot fluid.
Optionally, the cold and hot fluid comprises a cold and hot liquid. After the cold and hot liquid exchanges heat with the probe seat, the probe seat exchanges heat with the electric energy meter terminal, so that the temperature of the probe seat is adjusted, the temperature adjusting speed is high, and the temperature control accuracy is high.
Optionally, the cold and hot fluid includes cold and hot gas, the second end of the probe seat is further provided with a gas outlet, and the cold and hot gas directly exchanges heat with the electric energy meter terminal through the gas outlet; and a first sealing ring is arranged outside the second end, and the first sealing ring can seal the wiring hole after the probe is inserted into the wiring hole of the electric energy meter terminal. Cold and hot gas passes through venthole and electric energy meter terminal direct contact for with the terminal heat exchange rate of electric energy meter, realize the sealed of probe and electric energy meter terminal through first sealing washer, prevent that cold and hot gas from spilling.
Optionally, the probe temperature sensor is a wireless temperature sensor. The wireless temperature sensor does not need to consider data transmission wiring and is flexible to install.
Optionally, the probe temperature sensor is a wired temperature sensor, a wired cable hole is formed in the second end of the probe base, and a connecting wire of the probe temperature sensor penetrates through the wired cable hole, extends along the cold and hot fluid channel, extends from the third end of the probe base and is connected to a temperature data receiving end; and a second sealing ring for sealing the cable hole is arranged on the cable hole. The wired temperature sensor needs to arrange a connecting wire, and the connecting wire is arranged in a cold and hot fluid channel, so that a relatively sealed space can be formed after the probe is inserted into a terminal of the electric energy meter for heat exchange of cold and hot gases. The second sealing ring tightly wraps the connecting wire and seals the cable hole.
Optionally, the end of the second end of the probe seat is of a threaded structure, and is in threaded connection with the end of the second end through a compression nut; the probe temperature sensor is fixed with the compression nut through a connecting piece. The compression nut can fix the thermal insulation pad at the end of the second end.
Optionally, the connector is an elastic connector. One end of the elastic connecting piece is fixed with the probe temperature sensor, the other end of the elastic connecting piece is fixed with the end part of the probe seat, after the probe seat is inserted into the wiring hole of the electric energy meter terminal, the elastic connecting piece is compressed, the restoring force of the elastic connecting piece enables the probe temperature sensor to be always contacted with the electric energy meter terminal, and the temperature measured by the probe temperature sensor is the temperature of the representative terminal.
Optionally, the thermal insulation pad is a polytetrafluoroethylene pad. The polytetrafluoroethylene pad can resist high temperature, is insulating, is heat-insulating, has certain hardness, can effectively isolate the temperature, and is difficult for deformation.
The invention provides a function detection device for a terminal temperature sensor of an electric energy meter, which comprises: the temperature control device comprises a control component, a temperature adjusting component and a communication component;
the control assembly is configured to:
obtaining standard temperature data from a temperature adjustment assembly;
receiving measured temperature data and abnormal alarm data of a measured electric energy meter;
sending a control instruction to the temperature adjusting component; and
detecting to perform temperature sensing function detection on the electric energy meter terminal temperature sensor according to the measured temperature data, the abnormal alarm data and the standard temperature data;
the communication assembly is in communication connection with the measured electric energy meter and the control assembly and is used for:
receiving measured temperature data and abnormal alarm data from a measured electric energy meter; and
forwarding the measured temperature data and the abnormal alarm data to the control component;
the temperature regulation assembly comprises a functional detection probe of the electric energy meter terminal temperature sensor, the probe is connected with an electric energy meter terminal of the tested electric energy meter and is used for:
carrying out temperature regulation treatment on the electric energy meter terminal of the tested electric energy meter according to the control instruction from the control assembly; and
and detecting the temperature data of the electric energy meter terminal as the standard temperature data. The detection probe that this detection device adopted can realize rising fast and cooling down to being surveyed the quick temperature of electricity meter terminal, can rapid cooling after the detection to survey the electricity meter and change, adopt the fluid to carry out the heat exchange simultaneously, can simulate abnormal conditions such as rapid cooling or low temperature, can realize the function detection of electric energy meter terminal temperature sensor under the circumstances such as low temperature.
Optionally, the control assembly includes a control module and a human-computer interaction module;
the human-computer interaction module is used for receiving a control instruction input by an operator and transmitting the control instruction to the control module;
the control module is used for sending the control instruction to the temperature adjusting component; the temperature regulation module is also used for acquiring standard temperature data from the temperature regulation module, receiving measured temperature data and abnormal alarm data of the tested electric energy meter, judging the temperature detection accuracy of the electric energy meter terminal temperature sensor according to the measured temperature data and the standard temperature data, and judging whether the abnormal alarm function of the electric energy meter terminal temperature sensor fails or not according to the abnormal alarm data.
Further, the detection device further comprises: the power supply module is used for supplying power to the measured electric energy meter, the temperature adjusting assembly, the human-computer interaction module and the control module.
Optionally, a safety module is further disposed between the power module and the control module, and the safety module is configured to provide safety protection for the control module. The safety module is used for preventing the control module from abnormal conditions such as overcurrent and overvoltage.
Optionally, the detection apparatus further includes: the control assembly, the temperature adjusting assembly, the communication assembly, the power module and the safety module are all installed on the rack.
Furthermore, a support piece is arranged on the machine frame and used for placing the electric energy meter to be tested.
Further, the detection device further comprises: the heat insulation shielding door is arranged on the rack and forms a sealed detection space, and the support piece is positioned in the detection space; the measured electric energy meter is arranged in the detection space to perform detection. The heat insulation shielding door forms a closed, independent and heat insulation detection space.
Through the technical scheme, the probe for detecting the function of the temperature sensor of the electric energy meter terminal provided by the invention has the advantages that the probe adopts cold and hot fluid to regulate the temperature of the electric energy meter terminal, the temperature can be quickly increased and decreased, and the temperature control is accurate.
On the other hand provides an electric energy meter terminal temperature sensor function detection device, has solved current detection easy excess temperature, difficult cooling, can't quick replacement survey electric energy meter scheduling problem.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
fig. 1 is a schematic overall view of a functional detection probe of a terminal temperature sensor of an electric energy meter according to an embodiment of the invention;
FIG. 2 is a partial enlarged view of a functional detection probe of a temperature sensor at a terminal of an electric energy meter according to an embodiment of the invention;
fig. 3 is an overall schematic diagram of a functional detection probe of a terminal temperature sensor of an electric energy meter according to another embodiment of the invention;
FIG. 4 is a partial enlarged view of a functional detection probe of a terminal temperature sensor of an electric energy meter provided by another embodiment of the invention;
fig. 5 is a schematic diagram of a rack of a function detection device for a terminal temperature sensor of an electric energy meter according to an embodiment of the invention;
fig. 6 is a functional block diagram of a device for detecting the function of a terminal temperature sensor of an electric energy meter according to an embodiment of the present invention.
Description of the reference numerals
100-probe, 101-probe seat, 102-cold and hot fluid channel, 103-first sealing ring, 104-thermal insulation pad, 105-connecting piece, 106-probe temperature sensor, 107-gland nut, 108-second sealing ring, 109-air outlet, 110-connecting wire, 111-throttle valve, 200-electric energy meter terminal, 301-frame, 302-heat insulation shielding door, 303-supporting piece.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The first embodiment of the present invention provides a probe for detecting the function of a temperature sensor of a terminal of an electric energy meter, which is inserted into a wiring hole of the terminal 200 of the electric energy meter to exchange heat with the terminal 200 of the electric energy meter, and collects the temperature of the terminal 200 of the electric energy meter, as shown in fig. 1-2, wherein the probe 100 comprises:
a probe seat 101 provided with a cold and hot fluid channel 102 inside, a thermal insulation pad 104, a probe temperature sensor 106 and a connecting piece 105; the probe seat 101 is provided with a contact end which is in contact with the electric energy meter terminal 200 for heat exchange, and the probe temperature sensor 106 is fixed with the contact end of the probe seat 101 through a connecting piece 105; the thermal insulation pad 104 is disposed between the connecting member 105 and the contact end of the probe holder 101, and is used for performing temperature insulation on the contact end of the probe temperature sensor 106 and the probe holder 101, so that the probe temperature sensor 106 only collects the temperature of the electric energy meter terminal 200 when the probe holder 101 performs heat exchange with the electric energy meter terminal 200.
In this embodiment, the probe base 101 is a three-way probe base, and includes a first end, a second end and a third end, the first end is a cold and hot fluid inlet end, the second end is a contact end of the probe base 101, and the third end is a cold and hot fluid outlet end. The probe seat 101 separates the inlet and outlet of the cold and hot fluid, which is convenient for controlling the cold and hot fluid.
In this embodiment, the cold and hot fluid includes cold and hot liquid. After the cold and hot liquid exchanges heat with the probe seat 101, the probe seat 101 exchanges heat with the electric energy meter terminal 200, so that the temperature of the probe seat 101 is adjusted, the temperature adjusting speed is high, and the temperature control accuracy is high.
In this embodiment, the third end of the probe base 101 is further provided with a throttle valve 111. The throttle valve 111 is used to control the cold fluid outlet to be opened only when it is required to discharge the cold and hot fluid.
In this embodiment, the probe temperature sensor 106 is a wireless temperature sensor 106. The wireless temperature sensor 106 does not need to consider data transmission wiring, and is flexible to install.
In this embodiment, the connecting member 105 is an elastic connecting member. One end of the elastic connector is fixed with the probe temperature sensor 106, and the other end is fixed with the end of the probe holder 101. The elastic connecting piece can be a spring, after the probe seat 101 is inserted into the wiring hole of the electric energy meter terminal 200, the spring is compressed, the restoring force of the spring can enable the probe temperature sensor 106 to be always in contact with the electric energy meter terminal 200, and the temperature measured by the probe temperature sensor 106 is the temperature of the representative terminal.
In this embodiment, the thermal insulation pad 104 is a ptfe pad. The polytetrafluoroethylene pad can resist high temperature, is insulating, is heat-insulating, has certain hardness, can effectively isolate the temperature, and is difficult for deformation.
During the use process, the probe 100 needs to be inserted into the wiring hole of the electric energy meter terminal 200 and fixed by using a screw. Then, high-temperature liquid is connected into the first end of the probe seat 101, the high-temperature liquid exchanges heat with the electric energy meter terminal 200 through the side wall of the second end of the probe seat 101 to heat the electric energy meter terminal 200, the polytetrafluoroethylene pad can isolate the temperature between the probe seat 101 and the probe temperature sensor 106, the probe temperature sensor 106 is always in contact with the electric energy meter terminal 200 under the elastic force of the spring, and the temperature of the electric energy meter terminal 200 is acquired. After the test is finished, the throttle valve 111 at the third end of the probe seat 101 is opened, the high-temperature fluid is recovered, and meanwhile, the cold fluid can be accessed from the first end, so that the cooling speed of the electric energy meter terminal 200 is increased, the electric energy meter terminal 200 is conveniently detached, and the next test of the electric energy meter terminal 200 is carried out.
Example two
In a second embodiment of the present invention, there is provided a probe for detecting a function of a temperature sensor of a terminal of an electric energy meter, the probe being inserted into a wiring hole of the terminal 200 of the electric energy meter to perform heat exchange with the terminal 200 of the electric energy meter while collecting a temperature of the terminal 200 of the electric energy meter, as shown in fig. 3 to 4, the probe 100 comprising:
a probe seat 101 provided with a cold and hot fluid channel 102 inside, a thermal insulation pad 104, a probe temperature sensor 106 and a connecting piece 105; the probe seat 101 is provided with a contact end which is in contact with the electric energy meter terminal 200 for heat exchange, and the probe temperature sensor 106 is fixed with the contact end of the probe seat 101 through a connecting piece 105; the thermal insulation pad 104 is disposed between the connecting member 105 and the contact end of the probe holder 101, and is used for performing temperature insulation on the contact end of the probe temperature sensor 106 and the probe holder 101, so that the probe temperature sensor 106 only collects the temperature of the electric energy meter terminal 200 when the probe holder 101 performs heat exchange with the electric energy meter terminal 200.
In this embodiment, the probe base 101 is a three-way probe base, and includes a first end, a second end and a third end, the first end is a cold and hot fluid inlet end, the second end is a contact end of the probe base 101, and the third end is a cold and hot fluid outlet end. The probe seat 101 separates the inlet and outlet of the cold and hot fluid, which is convenient for controlling the cold and hot fluid.
In this embodiment, the third end of the probe base 101 is further provided with a throttle valve 111. The throttle valve 111 is used to control the cold fluid outlet to be opened only when it is required to discharge the cold and hot fluid.
In this embodiment, the cold and hot fluid includes cold and hot gas, the second end of the probe seat 101 is further provided with an air outlet 109, and the cold and hot gas directly exchanges heat with the electric energy meter terminal 200 through the air outlet 109; a first sealing ring 103 is arranged outside the second end of the probe seat 101, and the first sealing ring 103 can seal the wiring hole after the probe 100 is inserted into the wiring hole of the electric energy meter terminal 200. Cold and hot gas directly contacts with the electric energy meter terminal 200 through the air outlet 109, so that the heat exchange speed with the electric energy meter terminal 200 is accelerated, the probe 100 and the electric energy meter terminal 200 are sealed through the first sealing ring 103, and the cold and hot gas is prevented from leaking.
In this embodiment, the probe temperature sensor 106 is a wired temperature sensor 106, a wired cable hole is formed at a second end of the probe base 101, and a connection wire 110 of the probe temperature sensor 106 passes through the wired cable hole, extends along the probe base 101, extends from a third end of the cold and hot fluid channel 102, and is connected to a temperature data receiving end; a second sealing ring 108 for sealing the cable hole is arranged on the cable hole. The wired temperature sensor 106 needs to arrange the connection wire 110, and the connection wire 110 is disposed in the internal cold and hot fluid channel 102, so that the probe 100 can form a relatively sealed space for the cold and hot air to exchange heat after being inserted into the electric energy meter terminal 200. The second sealing ring 108 tightly wraps around the connection wires 110 and seals the cable hole.
In other embodiments, the probe temperature sensor 106 is a wireless temperature sensor, no wiring is required for the wireless temperature sensor, and no cable holes are required for the second end of the probe holder 101. The temperature data receiving end can be a control component of the detection system, a cloud platform or other temperature data receiving ends.
In this embodiment, the second end of the probe base 101 has a threaded structure, and is connected with the end of the second end through a compression nut 107; the probe temperature sensor 106 is fixed to the compression nut 107 by a connector. A compression nut 107 can secure the thermal insulation pad 104 at the end of the second end.
In this embodiment, the connecting member 105 is an elastic connecting member. One end of the elastic connector is fixed with the probe temperature sensor 106, and the other end is fixed with the end of the probe holder 101. The elastic connecting piece can be a spring, after the probe seat 101 is inserted into the wiring hole of the electric energy meter terminal 200, the spring is compressed, the restoring force of the spring can enable the probe temperature sensor 106 to be always in contact with the electric energy meter terminal 200, and the temperature measured by the probe temperature sensor 106 is the temperature of the representative terminal.
In this embodiment, the thermal insulation pad 104 is a ptfe pad. The polytetrafluoroethylene pad can resist high temperature, is insulating, is heat-insulating, has certain hardness, can effectively isolate the temperature, and is difficult for deformation.
The probe 100 is required to be inserted into a wiring hole of the electric energy meter terminal 200 in the using process, and then is fixed by using a screw with a sealing adhesive tape, and the screw with the sealing adhesive tape and the first sealing ring 103 on the probe seat 101 form a sealed space with the electric energy meter terminal 200; the hot gas is introduced through the first end of the probe base 101, and the hot gas flows out through the gas outlet 109 on the second end of the probe base 101 to directly exchange heat with the electric energy meter terminal 200, so as to heat the electric energy meter terminal 200. The teflon pad can isolate the temperature between the probe seat 101 and the probe temperature sensor 106, the probe temperature sensor 106 is always in contact with the electric energy meter terminal 200 under the elastic force of the spring, and the temperature of the electric energy meter terminal 200 is collected. After the test is finished, the throttle valve 111 at the third end of the probe seat 101 is opened, the hot fluid is recovered, and meanwhile the cold fluid can be accessed from the first end, so that the cooling speed of the electric energy meter terminal 200 is increased, the electric energy meter terminal 200 is conveniently detached, and the next test of the electric energy meter terminal 200 is carried out.
EXAMPLE III
The second aspect of the present invention provides a function detecting device for a terminal temperature sensor of an electric energy meter, as shown in fig. 5 and 6, the detecting device comprising: the temperature control device comprises a control component, a temperature adjusting component and a communication component;
the control assembly is configured to:
obtaining standard temperature data from a temperature adjustment assembly;
receiving measured temperature data and abnormal alarm data of a measured electric energy meter;
sending a control instruction to the temperature adjusting component; and
detecting to perform temperature sensing function detection on the electric energy meter terminal temperature sensor according to the measured temperature data, the abnormal alarm data and the standard temperature data;
the communication assembly is in communication connection with the measured electric energy meter and the control assembly and is used for:
receiving measured temperature data and abnormal alarm data from a measured electric energy meter; and
forwarding the measured temperature data and the abnormal alarm data to the control component;
the temperature regulation assembly comprises the electric energy meter terminal temperature sensor function detection probe, and the probe 100 is connected with an electric energy meter terminal 200 of the tested electric energy meter and is used for:
carrying out temperature regulation treatment on the electric energy meter terminal 200 of the tested electric energy meter according to the control instruction from the control assembly; and
and detecting the temperature data of the electric energy meter terminal 200 as the standard temperature data. The probe 100 that this detection device adopted can realize rising fast and cooling down to being surveyed the quick temperature of electricity meter terminal, can rapid cooling after the detection to survey the electricity meter and change, adopt the fluid to carry out the heat exchange simultaneously, can simulate abnormal conditions such as rapid cooling or low temperature, can realize the function detection of electric energy meter terminal temperature sensor under the circumstances such as low temperature.
In an actual production process, the number of the detection probes 100 is set according to requirements, and each terminal of each electric energy meter needs to be tested. In providing the sensing probes 100, the number of sensing probes 100 is determined based on the number of terminals per power meter and the number of power meters expected to be capable of simultaneous measurement.
In some embodiments, the detection device is capable of measuring 9 measured electrical energy meters simultaneously.
The detection probe 100 heats and cools the electric energy meter terminal 200 of the measured electric energy meter through the cold and hot fluid, so the detection probe 100 needs to be communicated with a storage and recovery device of the cold and hot fluid.
The measured electric energy meter has a temperature abnormity reporting function, the communication assembly in the application can directly adopt the same communication protocol as the temperature abnormity data receiving end of the measured electric energy meter so as to directly establish communication with the measured electric energy meter, and the construction cost of a communication network is saved.
In practical use, the control component may be an industrial personal computer or other controller suitable for industrial applications.
In this embodiment, the control assembly includes a control module and a human-computer interaction module;
the human-computer interaction module is used for receiving a control instruction input by an operator and transmitting the control instruction to the control module;
the control module is used for sending the control instruction to the temperature adjusting component; the temperature regulation module is also used for acquiring standard temperature data from the temperature regulation module, receiving measured temperature data and abnormal alarm data of the tested electric energy meter, judging the temperature detection accuracy of the electric energy meter terminal temperature sensor according to the measured temperature data and the standard temperature data, and judging whether the abnormal alarm function of the electric energy meter terminal temperature sensor fails or not according to the abnormal alarm data.
In some embodiments, the human-computer interaction module is a display, a mouse, a keyboard and the like connected with the control module, and the control instruction is input through the mouse and the keyboard, and in other embodiments, the human-computer interaction module is a touch display screen connected with the control module and the instruction is input through touch control. In other embodiments, the human-computer interaction module is a display, a control switch, a control knob and the like connected with the control module, and the control command is input by adjusting the state of the control switch or the control knob.
In this embodiment, the detection apparatus further includes: the power supply module is used for supplying power to the measured electric energy meter, the temperature adjusting assembly, the human-computer interaction module and the control module.
In other embodiments, a safety module is further disposed between the power module and the control module, and is configured to provide safety protection for the control module. The safety module is used for preventing the control module from abnormal conditions such as overcurrent and overvoltage.
In this embodiment, the detection apparatus further includes: the rack 301, control assembly, temperature regulation subassembly, communication subassembly, power module and safety module all install on the rack 301.
In other embodiments, a support 303 is disposed on the rack 301, and the support 303 is used for placing a measured electric energy meter.
In some other embodiments, the detection device further comprises: a heat insulation shield door 302, wherein the heat insulation shield door 302 is arranged on the frame 301 and forms a sealed detection space, and the support member 303 is positioned in the detection space; the measured electric energy meter is arranged in the detection space to perform detection. The heat insulation shielding door forms a closed, independent and heat insulation detection space.
The detection by using the function detection device of the electric energy meter terminal temperature sensor comprises the following steps:
step 1, inserting a probe into a wiring terminal of a tested electric energy meter, enabling a probe temperature sensor at the top end of the probe to be in contact with a terminal of the electric energy meter, and establishing communication between the tested electric energy meter and a communication assembly of a detection device;
step 2, an operator inputs a temperature rise and fall control instruction to the control module through the man-machine interaction module;
step 3, the control module controls the temperature adjusting assembly to act, cold and hot fluid is introduced into the probe seat according to the temperature rise and drop control instruction, and the wiring terminal of the tested electric energy meter is heated or cooled;
step 4, working an electric energy meter terminal temperature sensor on the measured electric energy meter, and transmitting temperature data and abnormal alarm data related to the working to the control module through the communication assembly; a probe temperature sensor in the probe acquires the terminal temperature of the electric energy meter as standard temperature and transmits the standard temperature to the control module;
and 5, judging the accuracy of the terminal temperature sensor of the electric energy meter by the control module according to the measured temperature data and the standard temperature data transmitted by the measured electric energy meter, judging whether the abnormal alarm function of the terminal temperature sensor of the electric energy meter is invalid or not according to the abnormal alarm data, if the accuracy of the terminal temperature sensor of the electric energy meter meets a threshold value and can normally send an abnormal information alarm, enabling the temperature sensor of the corresponding terminal to be normal in function, and enabling the temperature sensors of all terminals of the same measured electric energy meter to be normal in function, so that the electric energy meter is normal.
Those skilled in the art will appreciate that all or part of the steps in the method for implementing the above embodiments may be implemented by a program, which is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
While the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the embodiments of the present invention are not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the embodiments of the present invention within the technical idea of the embodiments of the present invention, and the simple modifications are within the scope of the embodiments of the present invention. It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention will not be described separately for the various possible combinations.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as disclosed in the embodiments of the present invention as long as it does not depart from the spirit of the embodiments of the present invention.
Claims (18)
1. A probe for detecting the function of a temperature sensor of a terminal of an electric energy meter, which is used for being inserted into a wiring hole of the terminal (200) of the electric energy meter to perform heat exchange with the terminal (200) of the electric energy meter and simultaneously collect the temperature of the terminal (200) of the electric energy meter, wherein the probe (100) comprises:
a probe seat (101) with a cold and hot fluid channel (102) arranged inside, a probe temperature sensor (106) and a connecting piece (105); the probe seat (101) is provided with a contact end which is in contact with the electric energy meter terminal (200) for heat exchange, and the probe temperature sensor (106) is fixed with the contact end of the probe seat (101) through a connecting piece (105).
2. The electric energy meter terminal temperature sensor function detection probe according to claim 1, characterized in that said probe (100) further comprises: the thermal insulation pad (104) is arranged between the connecting piece and the contact end of the probe seat (101) and used for carrying out temperature insulation on the contact end of the probe temperature sensor (106) and the probe seat (101), so that the probe temperature sensor (106) only collects the temperature of the electric energy meter terminal (200) when the probe seat (101) and the electric energy meter terminal (200) carry out heat exchange.
3. The electric energy meter terminal temperature sensor function detection probe according to claim 1, characterized in that the probe holder (101) is a three-way probe holder comprising a first end, a second end and a third end, wherein the first end is a cold and hot fluid inlet end, the second end is a contact end of the probe holder (101), and the third end is a cold and hot fluid outlet end.
4. The electric energy meter terminal temperature sensor function detecting probe according to claim 3, characterized in that the third end of the probe holder (101) is provided with a throttle valve (111).
5. The electric energy meter terminal temperature sensor function detection probe of claim 3, wherein the cold and hot fluid comprises a cold and hot liquid.
6. The function detection probe of the electric energy meter terminal temperature sensor according to claim 3, characterized in that the cold and hot fluid comprises cold and hot gas, the second end of the probe seat (101) is further provided with a gas outlet (109), and the cold and hot gas directly exchanges heat with the electric energy meter terminal (200) through the gas outlet (109); and a first sealing ring (103) is arranged outside the second end of the probe seat (101), and the first sealing ring (103) can seal the wiring hole after the probe (100) is inserted into the wiring hole of the electric energy meter terminal (200).
7. The electric energy meter terminal temperature sensor function detection probe according to claim 5 or 6, characterized in that the probe temperature sensor (106) is a wireless temperature sensor.
8. The function detection probe of the electric energy meter terminal temperature sensor according to claim 6, characterized in that the probe temperature sensor (106) is a wired temperature sensor, a second end of the probe seat (101) is provided with a cable hole, and a connecting wire of the probe temperature sensor (106) passes through the cable hole, extends along the cold and hot fluid channel (102), and extends out from a third end of the probe seat (101) to be connected to a temperature data receiving end; and a second sealing ring (108) for sealing the cable hole is arranged on the cable hole.
9. The electric energy meter terminal temperature sensor function detecting probe according to claim 8, characterized in that the end of the second end of the probe seat (101) is in a threaded structure and is in threaded connection with the end of the second end through a compression nut (107); the probe temperature sensor (106) is fixed with the compression nut (107) through the connecting piece (105).
10. The electric energy meter terminal temperature sensor function detection probe according to claim 1, characterized in that the connector (105) is an elastic connector.
11. The electric energy meter terminal temperature sensor function detecting probe as claimed in claim 2, characterized in that the thermal insulation pad (104) is a teflon pad.
12. A function detection device for a terminal temperature sensor of an electric energy meter is characterized by comprising: the temperature control device comprises a control component, a temperature adjusting component and a communication component;
the control assembly is configured to:
obtaining standard temperature data from a temperature adjustment assembly;
receiving measured temperature data and abnormal alarm data of a measured electric energy meter;
sending a control instruction to the temperature adjusting component; and
detecting according to the measured temperature data, the abnormal alarm data and the standard temperature data to perform temperature sensing function detection on the electric energy meter terminal temperature sensor;
the communication assembly is in communication connection with the measured electric energy meter and the control assembly and is used for:
receiving measured temperature data and abnormal alarm data from a measured electric energy meter; and
forwarding the measured temperature data and the abnormal alarm data to the control component;
the temperature regulation assembly comprises an electric energy meter terminal temperature sensor function detection probe of any one of claims 1-10, the probe being connected with an electric energy meter terminal of the electric energy meter to be tested for:
carrying out temperature regulation treatment on the electric energy meter terminal of the tested electric energy meter according to the control instruction from the control assembly; and
and detecting the temperature data of the electric energy meter terminal as the standard temperature data.
13. The device for detecting the function of the electric energy meter terminal temperature sensor according to claim 12, wherein the control assembly comprises a control module and a human-computer interaction module;
the human-computer interaction module is used for receiving a control instruction input by an operator and transmitting the control instruction to the control module;
the control module is used for sending the control instruction to the temperature adjusting component; the temperature regulation module is also used for acquiring standard temperature data from the temperature regulation module, receiving measured temperature data and abnormal alarm data of the tested electric energy meter, judging the temperature detection accuracy of the electric energy meter terminal temperature sensor according to the measured temperature data and the standard temperature data, and judging whether the abnormal alarm function of the electric energy meter terminal temperature sensor fails or not according to the abnormal alarm data.
14. The electric energy meter terminal temperature sensor function detecting device according to claim 13, further comprising: the power supply module is used for supplying power to the measured electric energy meter, the temperature adjusting assembly, the human-computer interaction module and the control module.
15. The device for detecting the function of the electric energy meter terminal temperature sensor as claimed in claim 14, characterized in that a safety module is further arranged between the power supply module and the control module, and the safety module is used for providing safety protection for the control module.
16. The electric energy meter terminal temperature sensor function detecting device according to claim 15, further comprising: the control assembly, the temperature adjusting assembly, the communication assembly, the power module and the safety module are all installed on the rack.
17. The device for detecting the function of the terminal temperature sensor of the electric energy meter as claimed in claim 16, wherein a support is arranged on the rack and used for placing the electric energy meter to be detected.
18. The electric energy meter terminal temperature sensor function detecting device according to claim 17, further comprising: the heat insulation shielding door is arranged on the rack and forms a sealed detection space, and the support piece is positioned in the detection space; the measured electric energy meter is arranged in the detection space to perform detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183544.2A CN113932949A (en) | 2021-10-11 | 2021-10-11 | Function detection probe and device for electric energy meter terminal temperature sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183544.2A CN113932949A (en) | 2021-10-11 | 2021-10-11 | Function detection probe and device for electric energy meter terminal temperature sensor |
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| CN113932949A true CN113932949A (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111183544.2A Pending CN113932949A (en) | 2021-10-11 | 2021-10-11 | Function detection probe and device for electric energy meter terminal temperature sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214805A (en) * | 2023-11-07 | 2023-12-12 | 南京飞腾电子科技有限公司 | Accurate temperature measuring device of electric energy meter |
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2021
- 2021-10-11 CN CN202111183544.2A patent/CN113932949A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214805A (en) * | 2023-11-07 | 2023-12-12 | 南京飞腾电子科技有限公司 | Accurate temperature measuring device of electric energy meter |
| CN117214805B (en) * | 2023-11-07 | 2024-01-30 | 南京飞腾电子科技有限公司 | Accurate temperature measuring device of electric energy meter |
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